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C&EN باللغة العربية

<!DOCTYPE HTML> <html lang="ar"> <head> <meta name="template" content="base-page-template"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <script defer="defer" type="text/javascript" src="/.rum/@adobe/helix-rum-js@%5E2/dist/rum-standalone.js"></script> <link rel="canonical" href="/sections/arabic.html"/> <meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate"/> <meta http-equiv="Pragma" content="no-cache"/> <meta http-equiv="Expires" content="0"/> <meta charset="UTF-8"/> <meta http-equiv="x-ua-compatible" content="ie=edge"/> <meta name="viewport" content="width=device-width, initial-scale=1.0"/> <title> C&amp;EN باللغة العربية </title> <meta property="og:title"/> <meta property="og:site_name" content="Chemical & Engineering News"/> <meta property="og:description" content="تُعد C&amp;EN المصدر الأكثر موثوقية وتأثيرًا في العالم بخصوص أخبار الكيمياء. حيثُ يُمكنك العثور فيها على ترجمات عربية لأفضل أخبارنا الأسبوعية في مجال الكيمياء. اقضي معنا بضع دقائق من وقتك الثمين، وسنتيح لك مواكبة العالم الكيميائي بأسره. الأمر سهل جداً, سجل معنا و ابدأ في تلقي رسائلنا الإخبارية الحصرية (باللغة الإنجليزية) عن طريق البريد الإلكتروني أسبوعيًا. تسجيل الاشتراك هنا مجانًا. لتسجيل الاشتراك للحصول على إشعارات عند نشر قصة جديدة من منشوراتنا باللغة العربية، تواصل مع cenTranslations@acs.org."/> <meta property="og:image" content="https://cen.acs.org/content/dam/cen/static/images/sitewide-default-images/site-cen-logo-social-default.jpg"/> <meta property="og:url" content="https://cen.acs.org/sections/arabic.html"/> <meta property="og:locale" content="en_US"/> <meta name="twitter:site" content="@cenmag"/> <meta name="twitter:creator" content="@cenmag"/> <meta name="twitter:title"/> <meta name="twitter:description" content="تُعد C&amp;EN المصدر الأكثر موثوقية وتأثيرًا في العالم بخصوص أخبار الكيمياء. حيثُ يُمكنك العثور فيها على ترجمات عربية لأفضل أخبارنا الأسبوعية في مجال الكيمياء. اقضي معنا بضع دقائق من وقتك الثمين، وسنتيح لك مواكبة العالم الكيميائي بأسره. الأمر سهل جداً, سجل معنا و ابدأ في تلقي رسائلنا الإخبارية الحصرية (باللغة الإنجليزية) عن طريق البريد الإلكتروني أسبوعيًا. تسجيل الاشتراك هنا مجانًا. لتسجيل الاشتراك للحصول على إشعارات عند نشر قصة جديدة من منشوراتنا باللغة العربية، تواصل مع cenTranslations@acs.org."/> <meta name="description" content="تُعد C&amp;EN المصدر الأكثر موثوقية وتأثيرًا في العالم بخصوص أخبار الكيمياء. حيثُ يُمكنك العثور فيها على ترجمات عربية لأفضل أخبارنا الأسبوعية في مجال الكيمياء. اقضي معنا بضع دقائق من وقتك الثمين، وسنتيح لك مواكبة العالم الكيميائي بأسره. الأمر سهل جداً, سجل معنا و ابدأ في تلقي رسائلنا الإخبارية الحصرية (باللغة الإنجليزية) عن طريق البريد الإلكتروني أسبوعيًا. تسجيل الاشتراك هنا مجانًا. لتسجيل الاشتراك للحصول على إشعارات عند نشر قصة جديدة من منشوراتنا باللغة العربية، تواصل مع cenTranslations@acs.org."/> <meta name="facebook-domain-verification" content="an25ujdd57jxj7j3n94vqa7wv6hww6"/> <link rel="icon" href="/content/dam/acs-cen-redesign/logo/favicon.ico" 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جديدة للنساء اللواتي يرتدين ملابس اسلامية </p> </div> <div> <a href="https://cen.acs.org/biological-chemistry/infectious-disease/arabic-During-the-coronavirus-pandemic-hospitals-have-taken-unprecedented-steps-to-disinfect-N95-face-masks/98/web/2020/04"><img src="http://cen.acs.org/content/dam/cen/98/web/4/WEB/20200427lnp50-main.jpg"></a> <h3><a href="https://cen.acs.org/biological-chemistry/infectious-disease/arabic-During-the-coronavirus-pandemic-hospitals-have-taken-unprecedented-steps-to-disinfect-N95-face-masks/98/web/2020/04">أساليب غير مسبوقة لتعقيم كمامات الوجه <span class="english">(N95)</span> اتبعتها المشافي خلال جائحة فيروس الكورونا </a></h3> <p>مع نقص إمدادات مستلزمات الوقاية الطبية لجأت مرافق الرعاية الصحية لتعقيم وإعادة استخدام مستلزمات مُصممة للإستخدام و الرمي مباشرة </p> </div> <div> <a href="https://cen.acs.org/materials/arabic-Scientists-take-closer-look-materials/98/i25"><img src="http://cen.acs.org/content/dam/cen/98/25/WEB/09825-scicon60-sems-ar.jpg"></a> <h3><a href="https://cen.acs.org/materials/arabic-Scientists-take-closer-look-materials/98/i25">نظرة فاحصة على أقمشة الكمامات المصنوعة منزلياً </a></h3> <p>تناولت دراسة حجم مسام الأنسجة و تأثير الكهرباء الساكنة على ترشيح الحُلالة الهوائية الدقيقة (الأيروزول). </p> </div> <div> <a href="https://cen.acs.org/education/undergraduate-education/arabic-Freshman-chemistry-exit-point-underrepresented/98/i23"><img src="http://cen.acs.org/content/dam/cen/98/23/WEB/09823-scicon60-students-ar.jpg"></a> <h3><a href="https://cen.acs.org/education/undergraduate-education/arabic-Freshman-chemistry-exit-point-underrepresented/98/i23">أظهرت احدى الدراسات أن مساق الكيمياء العامة هو نقطة الخروج لمعظم الطلبة الأقل تمثيلًا في مجالات العلوم، التقنية، الهندسة والرياضيات <span class="english">STEM</span> </a></h3> <p>تكشف دراسة جامعة واشنطن أن العلامات النهائية لمساقات الكيمياء العامة للطلبة الاقل تمثيلا هي التي تقرر ما إذا كانوا سيستمرون في تخصصات <span class="english">STEM</span> </p> </div> <div> <a href="https://cen.acs.org/synthesis/ch-activation/arabic-Ir-catalyst-attacks-strong-CH/98/i19"><img src="http://cen.acs.org/content/dam/cen/98/19/WEB/09819-scicon60-scheme-ar.jpg"></a> <h3><a href="https://cen.acs.org/synthesis/ch-activation/arabic-Ir-catalyst-attacks-strong-CH/98/i19">عامل حفاز من الإيريديوم يُهاجِم روابط الكربون – الهيدروجين القوية دون وجود مجموعة موجهة </a></h3> <p>نوع جديد من الكيمياء يمكنه تعديل الجزيئات الأكثر تعقيدًا من تفاعلات تنشيط رابطة الكربون ـــ هيدروجين. </p> </div> <div> <a href="https://cen.acs.org/pharmaceuticals/biologics/arabic-Searching-coronavirus-cure-blood/98/i14"><img src="http://cen.acs.org/content/dam/cen/98/14/WEB/09814-cover4-60-regeneron-ar.jpg"></a> <h3><a href="https://cen.acs.org/pharmaceuticals/biologics/arabic-Searching-coronavirus-cure-blood/98/i14">البحث عن علاج في الدم ضد فيروس كورونا</a></h3> <p>تطلع العلماء إلى استخدام بلازما المتعافين من المرض والعلاج المناعي المفرط والأجسام المضادة وحيدة النسيلة في علاج فيروس كوفيد-19</p> </div> <div> <a href="https://cen.acs.org/business/consumer-products/arabic-chemists-guide-disinfectants/98/i20"><img src="http://cen.acs.org/content/dam/cen/98/20/WEB/09820-scicon60-shopping-ar.jpg"></a> <h3><a href="https://cen.acs.org/business/consumer-products/arabic-chemists-guide-disinfectants/98/i20">دليل الكيميائي للمعقمات</a></h3> <p>هل نفذت المناديل المُعقِمة من متجرك المحلي؟ هذة الورقة تساعدك في إيجاد وفهم البدائل</p> </div> <div> <a href="https://cen.acs.org/biological-chemistry/infectious-disease/arabic-Protein-mapping-finds-over-60/98/i12"><img src="http://cen.acs.org/content/dam/cen/98/12/WEB/09812-scicon60-complex-ar-cr.jpg"></a> <h3><a href="https://cen.acs.org/biological-chemistry/infectious-disease/arabic-Protein-mapping-finds-over-60/98/i12">الكشف عن بنية البروتينات تشير إلى إمكانيات عديدة لمعالجة فيروس الكورونا المستجد. </a></h3> <p>العديد من العلاجات المحتملة هي أدوية حاصلة على موافقة الوكالة الأمريكية للدواء و الغذاء <span class="english">(FDA)</span> و قابله لإعادة التوظيف </p> </div> <div> <a href="https://cen.acs.org/biological-chemistry/infectious-disease/arabic-best-material-homemade-coronavirus-face/98/i14"><img src="http://cen.acs.org/content/dam/cen/98/14/WEB/09814-scicon60-sewing-ar.jpg"></a> <h3><a href="https://cen.acs.org/biological-chemistry/infectious-disease/arabic-best-material-homemade-coronavirus-face/98/i14">لماذا يصعب تحديد الخامات الأفضل لعمل أقنعة الوجه الواقية من فيروس كورونا منزليًا؟ </a></h3> <p>الاختلاف في نوعية الأقمشة وملائمة المقاس وسلوك المستخدم قد يؤثر على مدى قدرة القناع على منع انتشار الفيروس </p> </div> <div> <a href="https://cen.acs.org/biological-chemistry/infectious-disease/arabic-initial-remdesivir-data-tell-us/98/i13"><img src="http://cen.acs.org/content/dam/cen/98/13/WEB/09813-scicon60-remdesivir-ar.jpg"></a> <h3><a href="https://cen.acs.org/biological-chemistry/infectious-disease/arabic-initial-remdesivir-data-tell-us/98/i13">بماذا تُنبِئُنا المعطيات الأولية لدواء الريمديسفير حول إيقاف كوفيد <span class="english">19</span>؟ </a></h3> <p>يمر دواء شركة غيليد ساينس المضاد للفيروسات في المراحل الأخيرة لتجارب معالجة إصابات فيروس الكورونا. يشير خبراء الأمراض المُعدية إلا استبعاد نجاحٍ باهر.</p> </div> <div> <a href="https://cen.acs.org/business/consumer-products/arabic-hand-sanitizer-does-keep-hands/98/i12"><img src="http://cen.acs.org/content/dam/cen/98/12/WEB/09812-scicon60-sanitizer-ar.jpg"></a> <h3><a href="https://cen.acs.org/business/consumer-products/arabic-hand-sanitizer-does-keep-hands/98/i12">مُعقِّم اليدين، ما هو هذا الشيء؟</a></h3> <p>تَكْمُنُ فائدته عندما لا تتمكن من الوصول الى حوض وبعض الصابون، حيث أصبحت مُعقِّمات اليدين سلعة ساخنة في وجه مرض فايروس الكورونا (كوفيد -<span class="english">19</span>) </p> </div> <div> <a href="https://cen.acs.org/pharmaceuticals/vaccines/arabic-Gilead-Moderna-lead-coronavirus-treatments/98/i9"><img src="http://cen.acs.org/content/dam/cen/98/9/WEB/09809-scicon60-moderna-ar.jpg"></a> <h3><a href="https://cen.acs.org/pharmaceuticals/vaccines/arabic-Gilead-Moderna-lead-coronavirus-treatments/98/i9">تتصدر شركتي غيليد و موديرنا القائمة في علاج الإصابة بفيروس الكورونا </a></h3> <p>تتصدر شركة غيليد في اكتشاف مضاد فيروسي في حين تقوم شركة موديرنا بتطوير لقاح ضد الفيروس من الـ <span class="english">mRNA</span> </p> </div> <div> <a href="https://cen.acs.org/synthesis/arabic-Chemists-make-arrays-click-chemistryready/97/i39"><img src="http://cen.acs.org/content/dam/cen/97/39/WEB/9739-arabic-cr.jpg"></a> <h3><a href="https://cen.acs.org/synthesis/arabic-Chemists-make-arrays-click-chemistryready/97/i39">طريقة آمنة وفعالة لتحضير مركبات الأزيد تجعل الكيمياء النقرية أكثر سهولة </a></h3> <p>تفاعل يُحَوِل الامينات الاولية الى مركبات الأزيد لتحضير مكتبات ضخمة من المركبات </p> </div> <div> <a href="https://cen.acs.org/biological-chemistry/cancer/arabic-Large-screening-strategy-uncovers-dozens-of-non-oncology-drugs-that-kill-cancer-cells/98/i4"><img src="http://cen.acs.org/content/dam/cen/98/4/WEB/09804-scicon60-pills-ar.jpg"></a> <h3><a href="https://cen.acs.org/biological-chemistry/cancer/arabic-Large-screening-strategy-uncovers-dozens-of-non-oncology-drugs-that-kill-cancer-cells/98/i4">استراتيجية مسح دوائي تُسدِل الستار عن العشرات من الأدوية التي لا تستهدف الأورام، وتقتل الخلايا السرطانية</a></h3> <p>إعادة استخدام أدوية الامراض غير السرطانية يمكن أن تقلل فترة التطور السريري وتُسَّرِع اكتشاف أدوية جديدة</p> </div> <div> <a href="https://cen.acs.org/people/nobel-prize/ar-biochemists-life-scientists-winning-Nobel/97/i48"><img src="http://cen.acs.org/content/dam/cen/97/48/WEB/09748-scicon60-medal-ar.jpg"></a> <h3><a href="https://cen.acs.org/people/nobel-prize/ar-biochemists-life-scientists-winning-Nobel/97/i48">جوائز نوبل في الكيمياء تتجه نحو علوم الحياة </a></h3> <p>استخدم باحثون التحليل البيبليوغرافي من أجل تحديد توجه منح جائزة نوبل. </p></div> <div> <a href="https://cen.acs.org/environment/water/ar-Superefficient-solar-desalination/98/i8"><img src="http://cen.acs.org/content/dam/cen/98/8/WEB/09808-scicon60-device-ar.jpg"></a> <h3><a href="https://cen.acs.org/environment/water/ar-Superefficient-solar-desalination/98/i8">تحلية المياه بالطاقة الشمسية وبكفاءة عالية </a></h3> <p>يُسخر النظام الحرارة الضائعة لإنتاج ما يكفي من ماء صالح للشرب لشخص بالغ لساعة واحدة </p></div> <div> <a href="https://cen.acs.org/materials/2-d-materials/ar-make-pristine-graphene-trash-flash/98/i5"><img src="http://cen.acs.org/content/dam/cen/98/5/WEB/09805-scicon60-copper-ar.jpg"></a> <h3><a href="https://cen.acs.org/materials/2-d-materials/ar-make-pristine-graphene-trash-flash/98/i5"> الحصول على غرافين عالي الجودة من القمامة بلمح البصر </a></h3> <p>طريقة منخفضة التكلفة لتحويل الفحم و البلاستيك بالحرارة إلى غرافين ذو نوعية عالية </p></div> <div> <a href="https://cen.acs.org/safety/lab-safety/ar-Peptide-coupling-agents-cause-severe/98/i2"><img src="http://cen.acs.org/content/dam/cen/98/2/WEB/09802-scicon60-hives-ar-cr.jpg"></a> <h3><a href="https://cen.acs.org/safety/lab-safety/ar-Peptide-coupling-agents-cause-severe/98/i2">عوامل ربط الببتيد يمكن أن تسبب تفاعلاتٍ تحسّسيّة شديدة </a></h3> <p>يمكن للباحثين في هذا المجال اكتساب حساسية تجاه هذه المركبات و التي قد تصل إلى مرحلة الصدمة التحسسية </p></div> <div> <a href="https://cen.acs.org/materials/inorganic-chemistry/ar-glass-isnt-brittle/97/i45"><img src="http://cen.acs.org/content/dam/cen/97/45/WEB/09745-scicon60-plasma-ar.jpg"></a> <h3><a href="https://cen.acs.org/materials/inorganic-chemistry/ar-glass-isnt-brittle/97/i45">زجاج ضد الكسر.</a></h3> <p>رقائق زجاج الألومينا تنثني و تتمدد دون التهشّم </p></div> <div> <a href="https://cen.acs.org/environment/persistent-pollutants/ar-Wetland-microbe-detoxifies-PFAS-contaminants/97/i38"><img src="http://cen.acs.org/content/dam/cen/97/38/WEB/09738-scicon60-sampling1-ar.jpg"></a> <h3><a href="https://cen.acs.org/environment/persistent-pollutants/ar-Wetland-microbe-detoxifies-PFAS-contaminants/97/i38">أحد ميكروبات الأراضي الرطبة يُزيل سُمُوم ملوثات الـــــــــ <span class="english">PFAS</span>. </a></h3> <p>اكتِشاف العلماء ميكروبًا ينتزع ذرات الفلور من مركبات فوق فلورو الألكيل <span class="english">(perfluoroalkyl)</span> السامة </p></div> <div> <a href="https://cen.acs.org/biological-chemistry/cancer/ar-anticancer-molecules-off-target/97/i37"><img src="http://cen.acs.org/content/dam/cen/97/37/WEB/09737-scicon60-cancercells-ar.jpg"></a> <h3><a href="https://cen.acs.org/biological-chemistry/cancer/ar-anticancer-molecules-off-target/97/i37">بعض الجزيئات المضادة للسرطان بعيدة عن أهدافها </a></h3> <p>تشير التجارب في خطوط الخلايا إلى أن الجزيئات تقتل الخلايا السرطانية من خلال أهداف لم تصمم لتحقيقها </p></div> <div> <a href="https://cen.acs.org/physical-chemistry/computational-chemistry/ar-Synthesis-planning-program-relies-human/97/i47"><img src="http://cen.acs.org/content/dam/cen/97/47/WEB/09747-scicon60-bimato-ar.jpg"></a> <h3><a href="https://cen.acs.org/physical-chemistry/computational-chemistry/ar-Synthesis-planning-program-relies-human/97/i47">برنامج لتخطيط التَخْلِيق الكيميائي يعتمد على الشَراكة بين الإنسان والآلة </a></h3> <p>يَجْمَع البرنامج الهَجِين بين الرُؤًى البشرية وتَعَلُّم الآلة لتطوير مَسَارات التَخْلِيق الكيميائي </p></div> <div> <a href="https://cen.acs.org/biological-chemistry/gene-editing/ar-David-Liu-unveils-searchreplace-CRISPR/97/i42"><img src="http://cen.acs.org/content/dam/cen/97/42/WEB/09742-scicon60-prime-ar.jpg"></a> <h3><a href="https://cen.acs.org/biological-chemistry/gene-editing/ar-David-Liu-unveils-searchreplace-CRISPR/97/i42">ديفيد ليو يكشف عن جهاز “إبحث وعدّل” بتقنية كريسبر , ويؤسس شركة ناشئة </a></h3> <p>شركة <span class="english">Beam Therapeutics</span> وشركة ناشئة إسمها <span class="english">Prime Medicine</span> ستقومان بتطوير علاجات إعتماداً على تقنيات التعديلات الأولية , والتي بإمكانها إضافة، إزالة ، أو تغيير نيوكليوتيدات في أي مكان في المورثات الجينية (الجينوم) </p></div> <div> <a href="https://cen.acs.org/people/nobel-prize/ar-Li-ion-batteries-win-2019-Nobel-Prize-in-Chemistry/97/i40"><img src="http://cen.acs.org/content/dam/cen/97/40/WEB/09740-scicon60-mugs.jpg"></a> <h3><a href="https://cen.acs.org/people/nobel-prize/ar-Li-ion-batteries-win-2019-Nobel-Prize-in-Chemistry/97/i40">يَحصُد رُوَّاد بطارية أيون الليثيوم جائزة نوبل في الكيمياء لعام <span class="english">2019</span> </a></h3> <p>سيتَشارك كٍل من جون ب. غودايناف (<span class="english">John B. Goodenough</span>)، إم. ستانلي ويتينغهام (<span class="english">M. Stanley Whittingham</span>) وأكيرا يوشينو (<span class="english">Akira Yoshino</span>) جائزة نوبل في الكيمياء لهذا العام؛ لتطويرهم كيمياء البطاريات القابلة لإعادة الشحن. </p></div> <div> <a href="https://cen.acs.org/synthesis/catalysis/ar-Eliminating-middleman-improves-production-clean/97/i34"><img src="http://cen.acs.org/content/dam/cen/97/34/WEB/09734-scicon60-graphite-ar.jpg"></a> <h3><a href="https://cen.acs.org/synthesis/catalysis/ar-Eliminating-middleman-improves-production-clean/97/i34">ميكنة التخليق منحذف الوسيط يعزز انتاجية الهيدروجين كوقود نظيف الاحتراق </a></h3> <p>الربط الإلكتروني للحفاز مع مسرى (الخلية) يُسهل التفاعلات الإلكتروكيميائية </p></div> <div> <a href="https://cen.acs.org/synthesis/reaction-mechanisms/ar-Chemists-build-tiniest-spectrometer-single/97/i32"><img src="http://cen.acs.org/content/dam/cen/97/32/WEB/09732-scicon60-bot-ar.jpg"></a> <h3><a href="https://cen.acs.org/synthesis/reaction-mechanisms/ar-Chemists-build-tiniest-spectrometer-single/97/i32">ميكنة التخليق من التخطيط إلى التنفيذ </a></h3> <p>مع القليل من امساعدة البشرية، الذكاء الاصطناعي وروبوت يشُقان طريقهم إلى عالَم جزيئات العقاقير. </p></div> <div> <a href="https://cen.acs.org/pharmaceuticals/drug-discovery/ar-Chemists-use-atomic-manipulation-nudge/97/i33"><img src="http://cen.acs.org/content/dam/cen/97/33/WEB/09733-scicon60-structureweb-ar.jpg"></a> <h3><a href="https://cen.acs.org/pharmaceuticals/drug-discovery/ar-Chemists-use-atomic-manipulation-nudge/97/i33">ماالكيميائيون يستخدمون طرق التحكم الذري لإنشاء حلقة غير إعتيادية من ثماني عشرة ذرة كربون؟ </a></h3> <p>المجهر المسباري يساعد الباحثين لخلق ورؤية أشكال كربونية (أللوتروبات كربونية) تم توقعها في الثمانينات </p></div> <div> <a href="https://cen.acs.org/physical-chemistry/nuclear-chemistry/ar-caused-plume-radioactive-ruthenium-Europe/97/i31"><img src="http://cen.acs.org/content/dam/cen/97/31/WEB/09731-scicon60-mapcxd-ar.jpg"></a> <h3><a href="https://cen.acs.org/physical-chemistry/nuclear-chemistry/ar-caused-plume-radioactive-ruthenium-Europe/97/i31">ما سبب تَجَمُّع سحب الروثينيوم المُشِعّ في اوروبا عام <span class="english">2017</span>؟ </a></h3> <p>أرجعت تحريات المباحث الكيميائية سبب السُحب، إلى وقوع حادث في مصنع روسي يقوم بمعالجة الوقود النووي المستهلك. </p></div> <div> <a href="https://cen.acs.org/biological-chemistry/microbiome/arabic-metabolite-gut-microbes-seems-make/97/i30"><img src="http://cen.acs.org/content/dam/cen/97/30/WEB/09730-scicon60-akkercxd-ar.jpg"></a> <h3><a href="https://cen.acs.org/biological-chemistry/microbiome/arabic-metabolite-gut-microbes-seems-make/97/i30">مادة مستقلبة من مايكروبات الأامعاء تيخفض حدة مرض التصلب الجانبي الضموري (SLA) في الفئران </a></h3> <p>من المحتمل أن مادة نيكوتيناميد تقد يلعب دوراً وقائياً في تطور مرض الإانتكاس العصبي </p></div> <div> <a href="https://cen.acs.org/materials/energy-storage/arabic-Supercharging-silicon-solar-cell/97/i28"><img 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