موسوعة الاختراعات ( 454 ) المصابيح الكهربائية للمختبرات

المصابيح الكهربائية للمختبرات

فالتر هيرمان نيرنست

( بالألمانية : Walther Nernst )

كيميائي فيزيائي ألماني

الميلاد : 25 يونيو 1864

الوفاة : 18 نوفمبر 1941 ( 77 سنة )

تحتوي هذه الصورة على سمة alt فارغة; اسم الملف هو Screenshot_2020-04-08-thumb2-water-drops-texture-4k-black-background-water-drops-water-backgrounds-jpg-صورة-JPEG،-710×444-....png

تلقى نيرنست تعليمه في زيورخ ، وبرلين ، وغراتس وفرتسبرغ.

عمل بعد ذلك مساعدا ً لاستفالد Ostwald في لايبزغ عام 1887.

ثم أصبح أستاذا ً للكيمياء في غيتنغن سنة 1891 وفي برلين سنة 1905.

وفي سنة 1933 عين مديرا ً لمعهد الفيزياء هناك.

تحتوي هذه الصورة على سمة alt فارغة; اسم الملف هو Screenshot_2020-04-08-thumb2-water-drops-texture-4k-black-background-water-drops-water-backgrounds-jpg-صورة-JPEG،-710×444-....png

أدخل نيرنست في سنة 1889 نظرية ضغط المحلول ” الحلكهري ” ( المحلول الكهربائي أو الإلكتروليت ) في الخلايا ،

وفي عام 1906 اقترح النظرية الحرارية المتعلقة بالقانون الثالث للحرارة الحركية
( الثرموديناميكا ).

تحتوي هذه الصورة على سمة alt فارغة; اسم الملف هو Screenshot_2020-04-08-thumb2-water-drops-texture-4k-black-background-water-drops-water-backgrounds-jpg-صورة-JPEG،-710×444-....png

قام نيرنست ببحوث هامة على الحرارة النوعية للأجسام الصلبة في درجات الحرارة المنخفضة على ضوء نظرية الكم Quantum Theory

ليقترح نظرية ” التفاعل التسلسلي ” chain reaction الذري في الكيمياء الضوئية   Photo chemistry

تحتوي هذه الصورة على سمة alt فارغة; اسم الملف هو Screenshot_2020-04-08-thumb2-water-drops-texture-4k-black-background-water-drops-water-backgrounds-jpg-صورة-JPEG،-710×444-....png

من الاختراعات التي سجلت لـ نيرنست نوع جديد من المصابيح الكهربائية تستعمل فقط في المختبرات.

يعبتر نيرنست مؤسس علم ” الكيمياء الفيزيائية ” الكيمافيزيا  Physical Chemistry  

ومنح جائزة نوبل للكيمياء سنة 1920.

تحتوي هذه الصورة على سمة alt فارغة; اسم الملف هو Screenshot_2020-04-08-thumb2-water-drops-texture-4k-black-background-water-drops-water-backgrounds-jpg-صورة-JPEG،-710×444-....png

المراجع :

تحتوي هذه الصورة على سمة alt فارغة; اسم الملف هو Screenshot_2020-04-08-thumb2-water-drops-texture-4k-black-background-water-drops-water-backgrounds-jpg-صورة-JPEG،-710×444-....png
تحتوي هذه الصورة على سمة alt فارغة; اسم الملف هو Inventions1E.png
تحتوي هذه الصورة على سمة alt فارغة; اسم الملف هو Screenshot_2020-04-08-thumb2-water-drops-texture-4k-black-background-water-drops-water-backgrounds-jpg-صورة-JPEG،-710×444-....png

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