浙江大学学报（理学版）

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</TD> </TR> <TR> <TD> <TABLE width="98%" border=0 align="center" cellPadding=0 cellSpacing=3 bgcolor="#FCF5EB" class="table1 hidden-sm hidden-xs"> <TR> <TD width="5%" height="20" align="right"> <input class="article_checkbox" onclick="javascript:selectall(this,'pid');" alt="Select" type="checkbox" id="sel"> </TD> <TD width="20%" align="left" class="txt_14000">全选</TD> <td width="5%" align="right"><a href="#"><img src="https://www.zjujournals.com/sci/images/sele_abs.gif" border="0" /></a></td> <td align="left"><a href="#J" onclick="isready1();" class="txt_14000">合并摘要</a></td> <td width="5%" align="right"><a href="#"><img src="https://www.zjujournals.com/sci/images/sele_down.jpg" border="0" /></a></td> <td width="20%" align="left" class="txt_14000"> <ul id="sddm"> <li><a href="#" onmouseover="mopen('DownloadCitationManus')" onmouseout="mclosetime()">导出引用</a> <div id="DownloadCitationManus" onmouseover="mcancelclosetime()" onmouseout="mclosetime()"> <a href="#d" 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onclick="hightlightrowaction('art46507')" value='46507' alt=Select type=checkbox name=pid> <LABEL class=hidelabel for='thisart_46507'>Select</LABEL> </TD> <td align="left" style="PADDING-BOTTOM: 3px; PADDING-LEFT: 0px; WIDTH: 100%; PADDING-RIGHT: 0px; VERTICAL-ALIGN: top; PADDING-TOP: 0px"> <a target="_blank" href="https://www.zjujournals.com/sci/CN/10.3785/j.issn.1008-9497.2024.06.001" class="txt_biaoti_cn">中国乡村特色产业村镇空间分布及影响因素</a> <span>  <a href="javascript:;" onclick="collectArticle('46507');"> <span class="shouc">收藏</span> </a> </span> <div class="authorList"> <span class="abs_zuozhe">李练练,陈国磊,张纪莎,马太佳,吴学成</span> </div> <span class="abs_njq">浙江大学学报（理学版）. 2024,51 (<strong>6</strong>): 651-663.   DOI: 10.3785/j.issn.1008-9497.2024.06.001</span> <br /> <div class="links1"> <img src="https://www.zjujournals.com/sci/images/abstract2.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="javascript:void(0)" onclick= "if (document.getElementById('Abstract46507').style.display=='block') document.getElementById('Abstract46507').style.display='none'; else document.getElementById('Abstract46507').style.display='block'">摘要</a>( <span style="color:red"> 94</span> )   <img src="https://www.zjujournals.com/sci/images/htm.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="#" onclick="lsdy1('RICH_HTML','46507','https://www.zjujournals.com/sci','2024','article/2024/1008-9497/1008-9497-2024-51-6-651.shtml');return false;">HTML</a>( <span style="color:red"> 5</span> )   <img src="https://www.zjujournals.com/sci/images/pdf.png" width="14" height="16" />  <a class="txt_zhaiyao1" href="#1" onclick="lsdy1('PDF','46507','https://www.zjujournals.com/sci','2024','2562');return false;">PDF</a>(5185KB)( <span style="color:red"> 67 </span> ) </div> <div id="Abstract46507" class="white_content"> <p>推进产业兴旺是实施乡村振兴战略的首要任务，以2020—2022年中国乡村特色产业产值超十亿元镇和超亿元村为研究对象，运用最近邻指数法、核密度估计法、空间自相关分析法、熵值法、地理探测器等方法，分析乡村特色产业村镇的时空格局演化特征及影响因素。结果表明：乡村特色产业村镇在空间上呈过度集聚，并呈现“东南密西北疏”“西冷东热”的分布态势；乡村特色产业村镇空间分布格局受人口数量、交通运输能力的影响显著，受土地资源的影响较弱；影响因素的交互探测结果呈双因子增强或非线性增强，其中人口数量与经济发展水平的交互影响最强。</p> </div>  </td> </TR> </TBODY> </TABLE> </DIV> <DIV id='art46509' class=noselectrow> <TABLE width="100%"> <TBODY> <TR> <TD align="left" vAlign=top class=article_checkbox_cell> <INPUT id='thisart_46509' class=article_checkbox onclick="hightlightrowaction('art46509')" value='46509' alt=Select type=checkbox name=pid> <LABEL class=hidelabel for='thisart_46509'>Select</LABEL> </TD> <td align="left" style="PADDING-BOTTOM: 3px; PADDING-LEFT: 0px; WIDTH: 100%; PADDING-RIGHT: 0px; VERTICAL-ALIGN: top; PADDING-TOP: 0px"> <a target="_blank" href="https://www.zjujournals.com/sci/CN/10.3785/j.issn.1008-9497.2024.06.002" class="txt_biaoti_cn">东部沿海地区乡村韧性测度及其发展路径研究——以浙江省为例</a> <span>  <a href="javascript:;" onclick="collectArticle('46509');"> <span class="shouc">收藏</span> </a> </span> <div class="authorList"> <span class="abs_zuozhe">武前波,胡嘉青,薛雯露</span> </div> <span class="abs_njq">浙江大学学报（理学版）. 2024,51 (<strong>6</strong>): 664-676.   DOI: 10.3785/j.issn.1008-9497.2024.06.002</span> <br /> <div class="links1"> <img src="https://www.zjujournals.com/sci/images/abstract2.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="javascript:void(0)" onclick= "if (document.getElementById('Abstract46509').style.display=='block') document.getElementById('Abstract46509').style.display='none'; else document.getElementById('Abstract46509').style.display='block'">摘要</a>( <span style="color:red"> 70</span> )   <img src="https://www.zjujournals.com/sci/images/htm.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="#" onclick="lsdy1('RICH_HTML','46509','https://www.zjujournals.com/sci','2024','article/2024/1008-9497/1008-9497-2024-51-6-664.shtml');return false;">HTML</a>( <span style="color:red"> 1</span> )   <img src="https://www.zjujournals.com/sci/images/pdf.png" width="14" height="16" />  <a class="txt_zhaiyao1" href="#1" onclick="lsdy1('PDF','46509','https://www.zjujournals.com/sci','2024','2562');return false;">PDF</a>(10074KB)( <span style="color:red"> 34 </span> ) </div> <div id="Abstract46509" class="white_content"> <p>随着乡村振兴战略的逐步实施，中国乡村建设已进入新发展阶段，从韧性视角评估乡村发展状态，有利于推进乡村可持续发展。以浙江省为例，基于压力-状态-响应（pressure-state-response，PSR）模型，构建乡村韧性评价指标体系，对全省1 155个乡镇（街道）单元进行韧性评价，揭示东部沿海地区乡村韧性空间格局。结果表明：（1）乡村韧性具有较明显的空间分异特征，综合韧性水平呈由浙北、浙东沿海地区向浙南、浙西地区逐渐减弱的趋势，并在浙中地区出现小范围中高值集聚区。（2）乡村韧性具有较强的正向空间自相关性，环杭州湾城市群热点区域均呈现显著的集聚特征，浙西、浙南地区冷点区域和次冷点区域呈现较大范围的显著集聚格局。（3）基于乡村韧性空间分异格局和聚类分析结果，提出浙江省乡村韧性空间圈层引导及差异化的乡村韧性水平提升策略，以实现乡村振兴和乡村可持续发展目标。</p> </div>  </td> </TR> </TBODY> </TABLE> </DIV> <DIV id='art46508' class=noselectrow> <TABLE width="100%"> <TBODY> <TR> <TD align="left" vAlign=top class=article_checkbox_cell> <INPUT id='thisart_46508' class=article_checkbox onclick="hightlightrowaction('art46508')" value='46508' alt=Select type=checkbox name=pid> <LABEL class=hidelabel for='thisart_46508'>Select</LABEL> </TD> <td align="left" style="PADDING-BOTTOM: 3px; PADDING-LEFT: 0px; WIDTH: 100%; PADDING-RIGHT: 0px; VERTICAL-ALIGN: top; PADDING-TOP: 0px"> <a target="_blank" href="https://www.zjujournals.com/sci/CN/10.3785/j.issn.1008-9497.2024.06.003" class="txt_biaoti_cn">多尺度视角下浙江省农村电商发展水平时空差异及其影响因素</a> <span>  <a href="javascript:;" onclick="collectArticle('46508');"> <span class="shouc">收藏</span> </a> </span> <div class="authorList"> <span class="abs_zuozhe">马芳芳,李晗,崔誉,宋永鹏,丁志伟</span> </div> <span class="abs_njq">浙江大学学报（理学版）. 2024,51 (<strong>6</strong>): 677-691.   DOI: 10.3785/j.issn.1008-9497.2024.06.003</span> <br /> <div class="links1"> <img src="https://www.zjujournals.com/sci/images/abstract2.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="javascript:void(0)" onclick= "if (document.getElementById('Abstract46508').style.display=='block') document.getElementById('Abstract46508').style.display='none'; else document.getElementById('Abstract46508').style.display='block'">摘要</a>( <span style="color:red"> 72</span> )   <img src="https://www.zjujournals.com/sci/images/htm.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="#" onclick="lsdy1('RICH_HTML','46508','https://www.zjujournals.com/sci','2024','article/2024/1008-9497/1008-9497-2024-51-6-677.shtml');return false;">HTML</a>( <span style="color:red"> 2</span> )   <img src="https://www.zjujournals.com/sci/images/pdf.png" width="14" height="16" />  <a class="txt_zhaiyao1" href="#1" onclick="lsdy1('PDF','46508','https://www.zjujournals.com/sci','2024','2562');return false;">PDF</a>(4114KB)( <span style="color:red"> 55 </span> ) </div> <div id="Abstract46508" class="white_content"> <p>从淘宝电商经济、乡村经济环境、电商经济支撑、电商服务保障4个维度构建指标体系，运用综合评价法、探索性空间数据分析（exploring spatial data analysis，ESDA）法，从省、市、县、乡镇4种尺度对浙江省农村电商发展水平的时空分异规律进行探索，并运用空间回归分析法进行影响因素分析。研究表明：（1）从省域尺度看，浙江省农村电商水平处于全国第一梯队且引领示范作用明显，在时间上表现为“快-稳-快”的增长趋势。江浙沪区域，在空间上与周边沿海城市产生了“近朱者赤”的高-高集聚效果。（2）从市域尺度看，高水平区主要分布在杭州市、宁波市、嘉兴市、台州市和温州市，并在沿海地区形成正向集聚，金华市、绍兴市和湖州市集聚效应相对不高，靠近江西省的外围区城市发展水平相对较低。（3）从县域尺度看，高水平区主要分布在两处，一处是以杭州市、宁波市、义乌市为支点的中北部区域，另一处是在以温州市、台州市为支撑的东南部集聚片区。低水平区主要分布在浙西南地区并产生了低值集聚效应，形成塌陷区。（4）从乡镇尺度看，淘宝村集聚区与市域、县域尺度类似，主要分布在浙中北地区和浙东南沿海一带，内部的专业化组织、临近扩散效应明显，而在浙西、浙西南外围区发育不佳。高、较高水平淘宝村在浙北、浙中、浙东南地区分别形成了以五金电器、小家电和服装皮草业为核心的“一主两副”3个核心区。（5）从影响因素看，市、县尺度均表现为创新人才、经济支撑等指标的正向影响和工业水平的负向影响突出，县域尺度主要受工业和批发零售业共同作用，乡镇尺度下淘宝村的集聚水平与成长基础更具解释性。</p> </div>  </td> </TR> </TBODY> </TABLE> </DIV> <DIV class=articlesectionlisting> <a name="优先出版" style="margin-top:-40px;position: absolute"></a> <DIV class=dbt_header_cn>优先出版</DIV> </DIV> <DIV id='art46506' class=noselectrow> <TABLE width="100%"> <TBODY> <TR> <TD align="left" vAlign=top class=article_checkbox_cell> <INPUT id='thisart_46506' class=article_checkbox onclick="hightlightrowaction('art46506')" value='46506' alt=Select type=checkbox name=pid> <LABEL class=hidelabel for='thisart_46506'>Select</LABEL> </TD> <td align="left" style="PADDING-BOTTOM: 3px; PADDING-LEFT: 0px; WIDTH: 100%; PADDING-RIGHT: 0px; VERTICAL-ALIGN: top; PADDING-TOP: 0px"> <a target="_blank" href="https://www.zjujournals.com/sci/CN/10.3785/j.issn.1008-9497.2024.06.004" class="txt_biaoti_cn">凝灰岩石粉基调理剂对滨海盐碱地改良效果研究</a> <span>  <a href="javascript:;" onclick="collectArticle('46506');"> <span class="shouc">收藏</span> </a> </span> <div class="authorList"> <span class="abs_zuozhe">魏泽慧,徐倩,张鹤,吴雷祥,周亚蕊,高秦,洪伟华,刘珉琦,张明志,陈燕婷,厉婷婷,厉子龙</span> </div> <span class="abs_njq">浙江大学学报（理学版）. 2024,51 (<strong>6</strong>): 692-701.   DOI: 10.3785/j.issn.1008-9497.2024.06.004</span> <br /> <div class="links1"> <img src="https://www.zjujournals.com/sci/images/abstract2.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="javascript:void(0)" onclick= "if (document.getElementById('Abstract46506').style.display=='block') document.getElementById('Abstract46506').style.display='none'; else document.getElementById('Abstract46506').style.display='block'">摘要</a>( <span style="color:red"> 57</span> )   <img src="https://www.zjujournals.com/sci/images/htm.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="#" onclick="lsdy1('RICH_HTML','46506','https://www.zjujournals.com/sci','2024','article/2024/1008-9497/1008-9497-2024-51-6-692.shtml');return false;">HTML</a>( <span style="color:red"> 2</span> )   <img src="https://www.zjujournals.com/sci/images/pdf.png" width="14" height="16" />  <a class="txt_zhaiyao1" href="#1" onclick="lsdy1('PDF','46506','https://www.zjujournals.com/sci','2024','2562');return false;">PDF</a>(1443KB)( <span style="color:red"> 53 </span> ) </div> <div id="Abstract46506" class="white_content"> <p>在石料开采过程中，凝灰岩会产生巨量伴生性废弃石粉，影响矿山的绿色可持续发展。为探讨废弃凝灰岩石粉的资源化利用途径，以石粉为基础，辅以不同配比的贻贝壳、生物炭、腐殖酸等，制备了凝灰岩石粉基调理剂。采用单因素控制法对植物和土壤进行对比试验，探究不同配比调理剂对土壤理化性质及小白菜生长发育的影响。结果显示：纯石粉可调节土壤pH，但添加过多（≥200 g）不利于土壤有机质及氮、磷的释放，同时，纯石粉会促进土壤的钠吸附比和交换性钠增加，加重土壤盐害。凝灰岩石粉基调理剂可有效弥补纯石粉的不足，相较对照组（CK），水解性氮、速效钾质量浓度分别提高了41.15%，10.44%，不同配比土壤调理剂中pH改良效果较好组可使其降低约0.66；同时本调理剂对作物生长也有明显促进作用，小白菜的株高较CK最多可提升35.59%。综合土壤理化指标和作物生长指标，确定纯石粉最适添加量为50 g，凝灰岩石粉基调理剂最佳配方为50 g石粉+3 g碳化后贻贝壳+10 g粗贻贝壳+5 g生物炭+5 g腐殖酸。凝灰岩石粉基调理剂的研发可为滨海盐碱地的改良提供新思路，为废弃石粉的资源化利用提供新途径。</p> </div>  </td> </TR> </TBODY> </TABLE> </DIV> <DIV id='art46621' class=noselectrow> <TABLE width="100%"> <TBODY> <TR> <TD align="left" vAlign=top class=article_checkbox_cell> <INPUT id='thisart_46621' class=article_checkbox onclick="hightlightrowaction('art46621')" value='46621' alt=Select type=checkbox name=pid> <LABEL class=hidelabel for='thisart_46621'>Select</LABEL> </TD> <td align="left" style="PADDING-BOTTOM: 3px; PADDING-LEFT: 0px; WIDTH: 100%; PADDING-RIGHT: 0px; VERTICAL-ALIGN: top; PADDING-TOP: 0px"> <a target="_blank" href="https://www.zjujournals.com/sci/CN/10.3785/j.issn.1008-9497.2024.06.005" class="txt_biaoti_cn">基于PINN及其改进算法求解KdV-mKdV方程</a> <span>  <a href="javascript:;" onclick="collectArticle('46621');"> <span class="shouc">收藏</span> </a> </span> <div class="authorList"> <span class="abs_zuozhe">栗雪娟,刘瑜欣</span> </div> <span class="abs_njq">浙江大学学报（理学版）. 2024,51 (<strong>6</strong>): 702-711.   DOI: 10.3785/j.issn.1008-9497.2024.06.005</span> <br /> <div class="links1"> <img src="https://www.zjujournals.com/sci/images/abstract2.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="javascript:void(0)" onclick= "if (document.getElementById('Abstract46621').style.display=='block') document.getElementById('Abstract46621').style.display='none'; else document.getElementById('Abstract46621').style.display='block'">摘要</a>( <span style="color:red"> 47</span> )   <img src="https://www.zjujournals.com/sci/images/htm.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="#" onclick="lsdy1('RICH_HTML','46621','https://www.zjujournals.com/sci','2024','article/2024/1008-9497/1008-9497-2024-51-6-702.shtml');return false;">HTML</a>( <span style="color:red"> 0</span> )   <img src="https://www.zjujournals.com/sci/images/pdf.png" width="14" height="16" />  <a class="txt_zhaiyao1" href="#1" onclick="lsdy1('PDF','46621','https://www.zjujournals.com/sci','2024','2562');return false;">PDF</a>(5948KB)( <span style="color:red"> 19 </span> ) </div> <div id="Abstract46621" class="white_content"> <p>物理信息神经网络（physics-informed neural network，PINN）是求解偏微分方程及方程组的有效工具。数值结果证明了用PINN算法求解1+1维KdV-mKdV方程的可靠性，且求解精度较传统数值算法高，但求解精度过度依赖于训练点数，且易出现大梯度变弱的问题。为此，基于梯度增强思想提出了一种改进的PINN算法，即梯度增强物理信息神经网络（gradient-enhanced physics-informed neural network，gPINN）算法，通过将偏微分方程残差的梯度信息嵌入损失函数，弥补了梯度减弱的缺陷。用gPINN算法数值模拟了不同参数下1+1维KdV-mKdV方程，结果表明，gPINN算法在训练点数减少2个数量级的情况下，其训练误差仍比PINN算法减少一个数量级。</p> </div>  </td> </TR> </TBODY> </TABLE> </DIV> <DIV class=articlesectionlisting> <a name="数学与计算机科学" style="margin-top:-40px;position: absolute"></a> <DIV class=dbt_header_cn>数学与计算机科学</DIV> </DIV> <DIV id='art46622' class=noselectrow> <TABLE width="100%"> <TBODY> <TR> <TD align="left" vAlign=top class=article_checkbox_cell> <INPUT id='thisart_46622' class=article_checkbox onclick="hightlightrowaction('art46622')" value='46622' alt=Select type=checkbox name=pid> <LABEL class=hidelabel for='thisart_46622'>Select</LABEL> </TD> <td align="left" style="PADDING-BOTTOM: 3px; PADDING-LEFT: 0px; WIDTH: 100%; PADDING-RIGHT: 0px; VERTICAL-ALIGN: top; PADDING-TOP: 0px"> <a target="_blank" href="https://www.zjujournals.com/sci/CN/10.3785/j.issn.1008-9497.2024.06.006" class="txt_biaoti_cn">广义Petersen图的2-HC-可扩性</a> <span>  <a href="javascript:;" onclick="collectArticle('46622');"> <span class="shouc">收藏</span> </a> </span> <div class="authorList"> <span class="abs_zuozhe">王锦伟</span> </div> <span class="abs_njq">浙江大学学报（理学版）. 2024,51 (<strong>6</strong>): 712-717.   DOI: 10.3785/j.issn.1008-9497.2024.06.006</span> <br /> <div class="links1"> <img src="https://www.zjujournals.com/sci/images/abstract2.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="javascript:void(0)" onclick= "if (document.getElementById('Abstract46622').style.display=='block') document.getElementById('Abstract46622').style.display='none'; else document.getElementById('Abstract46622').style.display='block'">摘要</a>( <span style="color:red"> 42</span> )   <img src="https://www.zjujournals.com/sci/images/htm.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="#" onclick="lsdy1('RICH_HTML','46622','https://www.zjujournals.com/sci','2024','article/2024/1008-9497/1008-9497-2024-51-6-712.shtml');return false;">HTML</a>( <span style="color:red"> 1</span> )   <img src="https://www.zjujournals.com/sci/images/pdf.png" width="14" height="16" />  <a class="txt_zhaiyao1" href="#1" onclick="lsdy1('PDF','46622','https://www.zjujournals.com/sci','2024','2562');return false;">PDF</a>(1009KB)( <span style="color:red"> 50 </span> ) </div> <div id="Abstract46622" class="white_content"> <p>结合连通图的可扩性和哈密尔顿性，2012年MIKLAVIC等提出了连通图的可扩性。如果连通图<inline-formula><math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M2"><mml:mi>Γ</mml:mi></math></inline-formula>包含<inline-formula><math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M3"><mml:mi>l</mml:mi><mml:mo>-</mml:mo></math></inline-formula> 路且每条<inline-formula><math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M4"><mml:mi>l</mml:mi><mml:mo>-</mml:mo></math></inline-formula> 路均可扩充为<inline-formula><math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M5"><mml:mi>Γ</mml:mi></math></inline-formula>的一条哈密尔顿圈，那么称<inline-formula><math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M6"><mml:mi>Γ</mml:mi></math></inline-formula>是<inline-formula><math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M7"><mml:mi>l</mml:mi><mml:mo>-</mml:mo></math></inline-formula><inline-formula><math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M8"><mml:mi mathvariant="normal">H</mml:mi><mml:mi mathvariant="normal">C</mml:mi><mml:mo>-</mml:mo></math></inline-formula>可扩的。利用连通图的圈的对称差构造哈密尔顿圈，并证明了广义Petersen图<inline-formula><math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M9"><mml:mi mathvariant="normal">G</mml:mi><mml:mi mathvariant="normal">P</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mi>n</mml:mi><mml:mo>,</mml:mo><mml:mi>k</mml:mi><mml:mo stretchy="false">)</mml:mo></math></inline-formula>是<inline-formula><math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M10"><mml:mn mathvariant="normal">2</mml:mn><mml:mo>-</mml:mo><mml:mtext>?</mml:mtext><mml:mi mathvariant="normal">H</mml:mi><mml:mi mathvariant="normal">C</mml:mi><mml:mo>-</mml:mo></math></inline-formula>可扩的，其中<inline-formula><math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M11"><mml:mi>k</mml:mi><mml:mo>=</mml:mo><mml:mn mathvariant="normal">1</mml:mn><mml:mo>，</mml:mo><mml:mn mathvariant="normal">2</mml:mn></math></inline-formula>和<inline-formula><math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M12"><mml:mn mathvariant="normal">3</mml:mn></math></inline-formula>。</p> </div>  </td> </TR> </TBODY> </TABLE> </DIV> <DIV id='art46623' class=noselectrow> <TABLE width="100%"> <TBODY> <TR> <TD align="left" vAlign=top class=article_checkbox_cell> <INPUT id='thisart_46623' class=article_checkbox onclick="hightlightrowaction('art46623')" value='46623' alt=Select type=checkbox name=pid> <LABEL class=hidelabel for='thisart_46623'>Select</LABEL> </TD> <td align="left" style="PADDING-BOTTOM: 3px; PADDING-LEFT: 0px; WIDTH: 100%; PADDING-RIGHT: 0px; VERTICAL-ALIGN: top; PADDING-TOP: 0px"> <a target="_blank" href="https://www.zjujournals.com/sci/CN/10.3785/j.issn.1008-9497.2024.06.007" class="txt_biaoti_cn"><i>K</i>-框架及其<i>K</i>-对偶Bessel序列</a> <span>  <a href="javascript:;" onclick="collectArticle('46623');"> <span class="shouc">收藏</span> </a> </span> <div class="authorList"> <span class="abs_zuozhe">郭倩平,冷劲松,李厚彪</span> </div> <span class="abs_njq">浙江大学学报（理学版）. 2024,51 (<strong>6</strong>): 718-723.   DOI: 10.3785/j.issn.1008-9497.2024.06.007</span> <br /> <div class="links1"> <img src="https://www.zjujournals.com/sci/images/abstract2.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="javascript:void(0)" onclick= "if (document.getElementById('Abstract46623').style.display=='block') document.getElementById('Abstract46623').style.display='none'; else document.getElementById('Abstract46623').style.display='block'">摘要</a>( <span style="color:red"> 42</span> )   <img src="https://www.zjujournals.com/sci/images/htm.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="#" onclick="lsdy1('RICH_HTML','46623','https://www.zjujournals.com/sci','2024','article/2024/1008-9497/1008-9497-2024-51-6-718.shtml');return false;">HTML</a>( <span style="color:red"> 2</span> )   <img src="https://www.zjujournals.com/sci/images/pdf.png" width="14" height="16" />  <a class="txt_zhaiyao1" href="#1" onclick="lsdy1('PDF','46623','https://www.zjujournals.com/sci','2024','2562');return false;">PDF</a>(474KB)( <span style="color:red"> 37 </span> ) </div> <div id="Abstract46623" class="white_content"> <p>研究了<i>K</i>-框架及其<i>K</i>-对偶Bessel序列。首先，给出了Bessel序列为<i>K</i>-框架的充要条件，在闭子空间<i>R</i>（<i>K</i>）上借助逼近<i>K</i>-对偶，研究了构造<i>K</i>-框架及其对偶的方法。其次，给出了两个<i>K</i>-框架是逼近<i>K</i>-对偶的充要条件，得到了构造逼近<i>K</i>-对偶的简单方法。最后，基于<i>K</i>-对偶Bessel序列，在<i>R</i>（<i>K</i>）上构造了可与<i>K</i>-框架交换位置的Bessel序列。</p> </div>  </td> </TR> </TBODY> </TABLE> </DIV> <DIV id='art46624' class=noselectrow> <TABLE width="100%"> <TBODY> <TR> <TD align="left" vAlign=top class=article_checkbox_cell> <INPUT id='thisart_46624' class=article_checkbox onclick="hightlightrowaction('art46624')" value='46624' alt=Select type=checkbox name=pid> <LABEL class=hidelabel for='thisart_46624'>Select</LABEL> </TD> <td align="left" style="PADDING-BOTTOM: 3px; PADDING-LEFT: 0px; WIDTH: 100%; PADDING-RIGHT: 0px; VERTICAL-ALIGN: top; PADDING-TOP: 0px"> <a target="_blank" href="https://www.zjujournals.com/sci/CN/10.3785/j.issn.1008-9497.2024.06.008" class="txt_biaoti_cn">求解双曲型方程的半离散卷积神经网络算法</a> <span>  <a href="javascript:;" onclick="collectArticle('46624');"> <span class="shouc">收藏</span> </a> </span> <div class="authorList"> <span class="abs_zuozhe">汪浏博,郑素佩,张蕊,封建湖</span> </div> <span class="abs_njq">浙江大学学报（理学版）. 2024,51 (<strong>6</strong>): 724-731.   DOI: 10.3785/j.issn.1008-9497.2024.06.008</span> <br /> <div class="links1"> <img src="https://www.zjujournals.com/sci/images/abstract2.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="javascript:void(0)" onclick= "if (document.getElementById('Abstract46624').style.display=='block') document.getElementById('Abstract46624').style.display='none'; else document.getElementById('Abstract46624').style.display='block'">摘要</a>( <span style="color:red"> 33</span> )   <img src="https://www.zjujournals.com/sci/images/htm.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="#" onclick="lsdy1('RICH_HTML','46624','https://www.zjujournals.com/sci','2024','article/2024/1008-9497/1008-9497-2024-51-6-724.shtml');return false;">HTML</a>( <span style="color:red"> 1</span> )   <img src="https://www.zjujournals.com/sci/images/pdf.png" width="14" height="16" />  <a class="txt_zhaiyao1" href="#1" onclick="lsdy1('PDF','46624','https://www.zjujournals.com/sci','2024','2562');return false;">PDF</a>(3180KB)( <span style="color:red"> 37 </span> ) </div> <div id="Abstract46624" class="white_content"> <p>双曲守恒律方程的间断解对数值算法要求严格。通常传统低阶数值算法构造简单，但数值结果的分辨率较低，且依赖于网格。机器学习方法虽不依赖于网格，且适用于处理复杂场景下的问题（如高维问题），但在求间断解时可能出现移位或抹平现象。将机器学习方法与传统低阶格式相结合，在空间上采用低阶有限体积格式，在权重系数优化上采用卷积神经网络，从而实现基于较少节点便可得到高分辨率数值结果。数值算例验证了算法的性能，在求解连续及间断问题时均能得到高分辨率数值结果，且未出现移位、抹平现象。</p> </div>  </td> </TR> </TBODY> </TABLE> </DIV> <DIV id='art46625' class=noselectrow> <TABLE width="100%"> <TBODY> <TR> <TD align="left" vAlign=top class=article_checkbox_cell> <INPUT id='thisart_46625' class=article_checkbox onclick="hightlightrowaction('art46625')" value='46625' alt=Select type=checkbox name=pid> <LABEL class=hidelabel for='thisart_46625'>Select</LABEL> </TD> <td align="left" style="PADDING-BOTTOM: 3px; PADDING-LEFT: 0px; WIDTH: 100%; PADDING-RIGHT: 0px; VERTICAL-ALIGN: top; PADDING-TOP: 0px"> <a target="_blank" href="https://www.zjujournals.com/sci/CN/10.3785/j.issn.1008-9497.2024.06.009" class="txt_biaoti_cn">策略动态组合优化多元演绎算法及应用</a> <span>  <a href="javascript:;" onclick="collectArticle('46625');"> <span class="shouc">收藏</span> </a> </span> <div class="authorList"> <span class="abs_zuozhe">郭海林,曹锋,易见兵,李俊,吴贯锋</span> </div> <span class="abs_njq">浙江大学学报（理学版）. 2024,51 (<strong>6</strong>): 732-739.   DOI: 10.3785/j.issn.1008-9497.2024.06.009</span> <br /> <div class="links1"> <img src="https://www.zjujournals.com/sci/images/abstract2.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="javascript:void(0)" onclick= "if (document.getElementById('Abstract46625').style.display=='block') document.getElementById('Abstract46625').style.display='none'; else document.getElementById('Abstract46625').style.display='block'">摘要</a>( <span style="color:red"> 34</span> )   <img src="https://www.zjujournals.com/sci/images/htm.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="#" onclick="lsdy1('RICH_HTML','46625','https://www.zjujournals.com/sci','2024','article/2024/1008-9497/1008-9497-2024-51-6-732.shtml');return false;">HTML</a>( <span style="color:red"> 1</span> )   <img src="https://www.zjujournals.com/sci/images/pdf.png" width="14" height="16" />  <a class="txt_zhaiyao1" href="#1" onclick="lsdy1('PDF','46625','https://www.zjujournals.com/sci','2024','2562');return false;">PDF</a>(719KB)( <span style="color:red"> 26 </span> ) </div> <div id="Abstract46625" class="white_content"> <p>一阶逻辑自动定理证明是人工智能领域重要的研究分支，其中子句选择策略对于提升定理证明能力具有重要作用。多元矛盾体分离演绎具有许多良好的演绎特性。为更好地指导多元演绎中的子句选择，提出了一种策略动态组合优化多元演绎方法，通过将子句文字数大小和函数项深度进行动态组合并迭代优化，在充分发掘现有多元演绎启发式策略的同时，提升策略应对不同问题的自适应性，实现多元演绎中的子句高效选择。基于该方法给出了相应的算法实现，根据不同问题的演绎过程动态调整子句的选择策略，提升了多元演绎的定理证明能力。同时，将该算法应用于国际先进的证明器Eprover 2.6，形成了改进的证明器SDCO_E，进一步通过2组实验评估SDCO_E的性能。实验1用2021—2023年国际一阶逻辑自动定理证明器竞赛组的共1 500个问题进行测试，结果表明，SDCO_E比Eprover 2.6多证明了35个问题，证明定理总数增加了3.06%；实验2用TPTP库中难度系数为1的问题进行测试，结果表明，SDCO_E能证明其他证明器无法证明的6个数论与集合论领域的问题。实验结果表明，策略动态组合优化多元演绎算法能有效应用于一阶逻辑自动定理证明。</p> </div>  </td> </TR> </TBODY> </TABLE> </DIV> <DIV id='art46626' class=noselectrow> <TABLE width="100%"> <TBODY> <TR> <TD align="left" vAlign=top class=article_checkbox_cell> <INPUT id='thisart_46626' class=article_checkbox onclick="hightlightrowaction('art46626')" value='46626' alt=Select type=checkbox name=pid> <LABEL class=hidelabel for='thisart_46626'>Select</LABEL> </TD> <td align="left" style="PADDING-BOTTOM: 3px; PADDING-LEFT: 0px; WIDTH: 100%; PADDING-RIGHT: 0px; VERTICAL-ALIGN: top; PADDING-TOP: 0px"> <a target="_blank" href="https://www.zjujournals.com/sci/CN/10.3785/j.issn.1008-9497.2024.06.010" class="txt_biaoti_cn">局部可调的四次Catmull-Rom样条曲面及其形状优化</a> <span>  <a href="javascript:;" onclick="collectArticle('46626');"> <span class="shouc">收藏</span> </a> </span> <div class="authorList"> <span class="abs_zuozhe">李军成,刘成志</span> </div> <span class="abs_njq">浙江大学学报（理学版）. 2024,51 (<strong>6</strong>): 740-746.   DOI: 10.3785/j.issn.1008-9497.2024.06.010</span> <br /> <div class="links1"> <img src="https://www.zjujournals.com/sci/images/abstract2.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="javascript:void(0)" onclick= "if (document.getElementById('Abstract46626').style.display=='block') document.getElementById('Abstract46626').style.display='none'; else document.getElementById('Abstract46626').style.display='block'">摘要</a>( <span style="color:red"> 45</span> )   <img src="https://www.zjujournals.com/sci/images/htm.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="#" onclick="lsdy1('RICH_HTML','46626','https://www.zjujournals.com/sci','2024','article/2024/1008-9497/1008-9497-2024-51-6-740.shtml');return false;">HTML</a>( <span style="color:red"> 3</span> )   <img src="https://www.zjujournals.com/sci/images/pdf.png" width="14" height="16" />  <a class="txt_zhaiyao1" href="#1" onclick="lsdy1('PDF','46626','https://www.zjujournals.com/sci','2024','2562');return false;">PDF</a>(2769KB)( <span style="color:red"> 33 </span> ) </div> <div id="Abstract46626" class="white_content"> <p>当控制顶点保持不变时，无法对三次Catmull-Rom样条曲面的形状进行局部调整。为满足实际工程对插值曲面形状设计的要求，给出了一种含局部参数的四次Catmull-Rom样条曲面，并讨论了2种对四次Catmull-Rom样条曲面形状进行优化的方案。结果表明，四次Catmull-Rom样条曲面不仅继承了三次Catmull-Rom样条曲面的插值性与连续性，而且容易利用所含的参数对曲面形状进行局部或整体调整，通过计算所含参数的最优值获得尽可能光顺和尽可能保形的四次Catmull-Rom样条曲面，为插值曲面的构造提供了方法。</p> </div>  </td> </TR> </TBODY> </TABLE> </DIV> <DIV id='art46627' class=noselectrow> <TABLE width="100%"> <TBODY> <TR> <TD align="left" vAlign=top class=article_checkbox_cell> <INPUT id='thisart_46627' class=article_checkbox onclick="hightlightrowaction('art46627')" value='46627' alt=Select type=checkbox name=pid> <LABEL class=hidelabel for='thisart_46627'>Select</LABEL> </TD> <td align="left" style="PADDING-BOTTOM: 3px; PADDING-LEFT: 0px; WIDTH: 100%; PADDING-RIGHT: 0px; VERTICAL-ALIGN: top; PADDING-TOP: 0px"> <a target="_blank" href="https://www.zjujournals.com/sci/CN/10.3785/j.issn.1008-9497.2024.06.011" class="txt_biaoti_cn">基于SOM-FDA利用XRF对药品铝塑包装片的分类</a> <span>  <a href="javascript:;" onclick="collectArticle('46627');"> <span class="shouc">收藏</span> </a> </span> <div class="authorList"> <span class="abs_zuozhe">姜红,康瑞雪,郝小辉</span> </div> <span class="abs_njq">浙江大学学报（理学版）. 2024,51 (<strong>6</strong>): 747-752.   DOI: 10.3785/j.issn.1008-9497.2024.06.011</span> <br /> <div class="links1"> <img src="https://www.zjujournals.com/sci/images/abstract2.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="javascript:void(0)" onclick= "if (document.getElementById('Abstract46627').style.display=='block') document.getElementById('Abstract46627').style.display='none'; else document.getElementById('Abstract46627').style.display='block'">摘要</a>( <span style="color:red"> 33</span> )   <img src="https://www.zjujournals.com/sci/images/htm.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="#" onclick="lsdy1('RICH_HTML','46627','https://www.zjujournals.com/sci','2024','article/2024/1008-9497/1008-9497-2024-51-6-747.shtml');return false;">HTML</a>( <span style="color:red"> 1</span> )   <img src="https://www.zjujournals.com/sci/images/pdf.png" width="14" height="16" />  <a class="txt_zhaiyao1" href="#1" onclick="lsdy1('PDF','46627','https://www.zjujournals.com/sci','2024','2562');return false;">PDF</a>(1960KB)( <span style="color:red"> 35 </span> ) </div> <div id="Abstract46627" class="white_content"> <p>建立了一种对药品铝塑包装片进行快速分类的方法。利用能量色散型X射线荧光光谱（XRF）仪，对47种不同的药品铝塑包装片样品进行了检验，结合自组织映射（self organizing map，SOM）神经网络聚类，通过最大相关性最小冗余（maximum relevance minimum redundancy，MRMR）算法对元素重要性进行排序，并利用最近邻（<i>K</i>-nearest neighbor，<i>K</i>NN）分类器处理样品数据。依据样品中所含元素的种类及质量分数的不同，对药品铝塑包装片进行区分。SOM神经网络聚类的结果为9类，<i>K</i>NN分类器的准确率为97.87%。X射线荧光光谱法操作简便快速、无损检材、灵敏度高。建立的分类模型科学准确，可为公安机关大规模筛选、确定侦查方向、缩短侦查时间提供帮助。</p> </div>  </td> </TR> </TBODY> </TABLE> </DIV> <DIV class=articlesectionlisting> <a name="地球科学" style="margin-top:-40px;position: absolute"></a> <DIV class=dbt_header_cn>地球科学</DIV> </DIV> <DIV id='art46628' class=noselectrow> <TABLE width="100%"> <TBODY> <TR> <TD align="left" vAlign=top class=article_checkbox_cell> <INPUT id='thisart_46628' class=article_checkbox onclick="hightlightrowaction('art46628')" value='46628' alt=Select type=checkbox name=pid> <LABEL class=hidelabel for='thisart_46628'>Select</LABEL> </TD> <td align="left" style="PADDING-BOTTOM: 3px; PADDING-LEFT: 0px; WIDTH: 100%; PADDING-RIGHT: 0px; VERTICAL-ALIGN: top; PADDING-TOP: 0px"> <a target="_blank" href="https://www.zjujournals.com/sci/CN/10.3785/j.issn.1008-9497.2024.06.012" class="txt_biaoti_cn">资源型城市韧性水平与绿色发展效率耦合的时空分异特征</a> <span>  <a href="javascript:;" onclick="collectArticle('46628');"> <span class="shouc">收藏</span> </a> </span> <div class="authorList"> <span class="abs_zuozhe">张赛茵,王启翔,袁佳欣,王金伟</span> </div> <span class="abs_njq">浙江大学学报（理学版）. 2024,51 (<strong>6</strong>): 753-768.   DOI: 10.3785/j.issn.1008-9497.2024.06.012</span> <br /> <div class="links1"> <img src="https://www.zjujournals.com/sci/images/abstract2.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="javascript:void(0)" onclick= "if (document.getElementById('Abstract46628').style.display=='block') document.getElementById('Abstract46628').style.display='none'; else document.getElementById('Abstract46628').style.display='block'">摘要</a>( <span style="color:red"> 40</span> )   <img src="https://www.zjujournals.com/sci/images/htm.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="#" onclick="lsdy1('RICH_HTML','46628','https://www.zjujournals.com/sci','2024','article/2024/1008-9497/1008-9497-2024-51-6-753.shtml');return false;">HTML</a>( <span style="color:red"> 3</span> )   <img src="https://www.zjujournals.com/sci/images/pdf.png" width="14" height="16" />  <a class="txt_zhaiyao1" href="#1" onclick="lsdy1('PDF','46628','https://www.zjujournals.com/sci','2024','2562');return false;">PDF</a>(2889KB)( <span style="color:red"> 43 </span> ) </div> <div id="Abstract46628" class="white_content"> <p>城市韧性建设和绿色发展已成为资源型城市转型发展的重要方向。以黄河流域资源型城市为研究对象，通过构建城市韧性水平与绿色发展效率的耦合机理，利用物理学耦合模型，定量测度了2009—2019年40个资源型城市的韧性水平与绿色发展效率耦合协调的时空格局；通过构建随机效应面板Tobit模型，探究黄河流域资源型城市韧性水平与绿色发展效率耦合的影响因素。研究发现：（1）黄河流域资源型城市韧性建设成效显著，呈稳步增长态势；绿色发展效率随时间呈“W”形波动增长态势，但总体增长效率不显著。（2）两者耦合度均值在［0.7，0.8］内波动，呈现较高的耦合关系；耦合协调度随时间呈稳步提升态势，从“濒临失调阶段”逐步过渡到“良好协调阶段”。（3）城市韧性水平、绿色发展效率，以及两者间的耦合度和耦合协调度的空间异质性具有一致性，即中下游资源型城市强于上游。（4）政府能力、教育投入和人口规模对耦合协调度的影响存在较显著的空间异质性，而基础设施、产业结构和环境规制的影响具有空间同质性。</p> </div>  </td> </TR> </TBODY> </TABLE> </DIV> <DIV class=articlesectionlisting> <a name="海洋科学" style="margin-top:-40px;position: absolute"></a> <DIV class=dbt_header_cn>海洋科学</DIV> </DIV> <DIV id='art46629' class=noselectrow> <TABLE width="100%"> <TBODY> <TR> <TD align="left" vAlign=top class=article_checkbox_cell> <INPUT id='thisart_46629' class=article_checkbox onclick="hightlightrowaction('art46629')" value='46629' alt=Select type=checkbox name=pid> <LABEL class=hidelabel for='thisart_46629'>Select</LABEL> </TD> <td align="left" style="PADDING-BOTTOM: 3px; PADDING-LEFT: 0px; WIDTH: 100%; PADDING-RIGHT: 0px; VERTICAL-ALIGN: top; PADDING-TOP: 0px"> <a target="_blank" href="https://www.zjujournals.com/sci/CN/10.3785/j.issn.1008-9497.2024.06.013" class="txt_biaoti_cn">我国滨海核电厂取排水方式现状及其对海洋生态环境的影响</a> <span>  <a href="javascript:;" onclick="collectArticle('46629');"> <span class="shouc">收藏</span> </a> </span> <div class="authorList"> <span class="abs_zuozhe">王薇,何桂萍,关骁倢,陈兆林,李德鹏,孙丽艳,张冲</span> </div> <span class="abs_njq">浙江大学学报（理学版）. 2024,51 (<strong>6</strong>): 769-780.   DOI: 10.3785/j.issn.1008-9497.2024.06.013</span> <br /> <div class="links1"> <img src="https://www.zjujournals.com/sci/images/abstract2.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="javascript:void(0)" onclick= "if (document.getElementById('Abstract46629').style.display=='block') document.getElementById('Abstract46629').style.display='none'; else document.getElementById('Abstract46629').style.display='block'">摘要</a>( <span style="color:red"> 41</span> )   <img src="https://www.zjujournals.com/sci/images/htm.png" width="14" height="16" /> <a class="txt_zhaiyao1" href="#" onclick="lsdy1('RICH_HTML','46629','https://www.zjujournals.com/sci','2024','article/2024/1008-9497/1008-9497-2024-51-6-769.shtml');return false;">HTML</a>( <span style="color:red"> 0</span> )   <img src="https://www.zjujournals.com/sci/images/pdf.png" width="14" height="16" />  <a class="txt_zhaiyao1" href="#1" onclick="lsdy1('PDF','46629','https://www.zjujournals.com/sci','2024','2562');return false;">PDF</a>(4245KB)( <span style="color:red"> 16 </span> ) </div> <div id="Abstract46629" class="white_content"> <p>随着我国核电发展的加快，核电生态环境问题逐步受到关注。目前我国在运核电厂均采用海水直流冷却方式，取排水构筑物的建设对周边水动力及冲淤环境造成一定影响。通过比较我国部分核电厂取排水方式发现，暗涵排水方案对周边水动力及冲淤环境影响较小，在涨、落潮南北方向±200 m、东西方向±100 m范围内，平均流速变化仅为0.01 m·s<sup>-1</sup>；在距离排水口中心200 m的范围内，冲刷深度超过0.3 m。垂直岸取水方案对周边水动力及冲淤环境影响相对较大，平均流速变化0.05 m·s<sup>-1</sup>的最远距离可达约2.4 km，取水明渠两侧淤积厚度大多在0.2~1.0 m。除海工构筑物对水动力和冲淤环境有一定影响外，核电厂运行对周边海洋生态环境的影响主要为取水卷塞及卷载效应、温排水和余氯的排放。建议在核电厂设计阶段综合考虑优化取排水方案，在优先保障核电安全的基础上尽量降低对海洋生态环境的影响，推进核电产业与海洋生态保护协同发展。</p> </div>  </td> </TR> </TBODY> </TABLE> </DIV> </TD> </TR> </TABLE> </FORM>  </div>  <div role="tabpanel" class="tab-pane fade" id="zxly" aria-labelledby="zxly-tab"> <div id="zuixin"></div> <div class="text-right"><a href="../article/showNewArticle.do">More>></a>   </div> </div>   <div role="tabpanel" class="tab-pane fade" id="xzph" aria-labelledby="xzph-tab"> 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