The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, Literature and General Information, المجلدات 1-2Hugh Chrisholm University Press, 1911 |
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الصفحة 137
... calcium carbide , properties . it has a very strong and penetrating odour , but when it is thoroughly purified from sulphuretted and phosphuretted hydrogen , which are invariably present with it in minute traces , this extremely pungent ...
... calcium carbide , properties . it has a very strong and penetrating odour , but when it is thoroughly purified from sulphuretted and phosphuretted hydrogen , which are invariably present with it in minute traces , this extremely pungent ...
الصفحة 138
... calcium carbide made it one of the most of pro- easily obtainable gases , the processes which were most duction ... carbide . He also made the corresponding sodium compound and showed that it evolved the same gas , whilst in 1862 F ...
... calcium carbide made it one of the most of pro- easily obtainable gases , the processes which were most duction ... carbide . He also made the corresponding sodium compound and showed that it evolved the same gas , whilst in 1862 F ...
الصفحة 139
... carbide . The ammonia found in the acetylene is calcium carbide formed in the furnace , although itself consisting probably partly due to the presence of magnesium nitride in of pure crystalline calcium carbide , is nearly always ...
... carbide . The ammonia found in the acetylene is calcium carbide formed in the furnace , although itself consisting probably partly due to the presence of magnesium nitride in of pure crystalline calcium carbide , is nearly always ...
الصفحة 140
... carbide . 3. Maximum evolution of the gas . 4. Low pressure in every part of ... calcium chloride , and then passed through bleaching - powder solution or ... Calcium Carbide and Acetylene ( 1903 ) ; F. Dommer , L'Acétylène et ses appli ...
... carbide . 3. Maximum evolution of the gas . 4. Low pressure in every part of ... calcium chloride , and then passed through bleaching - powder solution or ... Calcium Carbide and Acetylene ( 1903 ) ; F. Dommer , L'Acétylène et ses appli ...
الصفحة 770
... carbide . It was also necessary to give the fine charcoal a thin coating of calcium oxide by soaking it in lime - water , for the temperature was so high that unless it was thus protected it was gradually converted into graphite ...
... carbide . It was also necessary to give the fine charcoal a thin coating of calcium oxide by soaking it in lime - water , for the temperature was so high that unless it was thus protected it was gradually converted into graphite ...
عبارات ومصطلحات مألوفة
abbey abbot Abd-ar-rahman Abd-ul-Mejid Aberdeen aberration abiogenesis Abyssinia Academy acetylene acid Adams admiralty adulteration advertisements Aegean Aegean civilization Aegina Aeschylus aesthetic Æthelred afterwards ancient appears appointed ascent Athens authority balloon beauty became bishop born British buildings calcium carbide called cell century charge chief church Cistercian civil cloister Cnossus College colour connexion containing Crete death died district Edition emperor Encyclopædia Britannica England English established father France French given Greek important John jurisdiction king known later Latin London lord margarine Massawa matter ment milk modern monks Mycenae nature naval naval lord object original Paris person plates present prize probably published regard river Roman Rome Royal Scotland ships Shoa Society sulphuric acid temple term theory Tigré tion town word