Due to environmental protection needs, research and development of new refrigeration systems that can effectively utilize natural refrigerants has become a research hotspot. The compressor-driven adsorption refrigeration (CDAC) system has the advantages of simple and compact structure and…
The generator is also an…
(A) tin ore beneficiation methods and quality requirements of tin concentrates
In addition to low-concentration tin-rich ore containing more than 40% tin, it can be directly smelted w…
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The word aluminium is derived from the ancient Roman alumen (alum). German scientists Porter (JHPott) with alum made of aluminum oxide in 1746. 1807 Englishman David (H.Davy)…
Hualing Xingma truck-mounted special chassis adopts internationally advanced Hanma power CM6D18.310 40 …
With its universal applicability, accuracy, and repeatability, Kjeldahl has been widely recognized internationally in many industries and has been identified as the standard method for detecting protein content in foods. The Kjeldahl nitrogen analyzer is an automatic nitrogen det…
Shizhuyuan Mine is a large-scale study in which more than scheelite, wolframite metals mining, comprehensive utilization of its resources has always been a subject of …
FAW's brand new micro-subsidiary product "Jiabao V70" recently held its off-line ceremony at the First Automobile Company of Jilin Automobile Co., Ltd. and announced its listing. This micro-sculpted micro-vehicle has not only been brand-new, but also more importantly, it has…