资讯

Letter Published: 25 April 1931 Conditions of Silver Chromate in Gelatine Hydrolysed and Electrodialysed to Different Extents G. M. NABAR & B. N. DESAI Nature 127, 628–629 (1931) Cite this article ...
Standard enthalpy of solution and formation of cesium chromate. Derived thermodynamic properties of the aqueous chromate, bichromate, and dichromate ions, alkali metal and alkaline earth chromates, ...
Manila,/Gothenburg, Sweden.  The International Pollutants Elimination Network (IPEN) lauded the Governments of Switzerland, ...
Discover how food fraud is evolving amid global trade disruptions, threatening public health and industry trust. Explore ...
At least three labourers, all tribals, engaged in extracting manganese ores from an illegal mine in Odisha’s Keonjhar district were crushed to death after huge debris fell on them, police said today.
One of the most common approaches is the application of coatings that act as physical barriers between the metal and its ...
饮食上,避免摄入高风险食物尤为关键,例如野味、部分海藻、来路不明的补品或家庭自制腌菜等。同时要避免空腹饮茶或食用草药制品,因为干茶叶的铅含量相对较高。 水源也应格外注意,尤其是老旧建筑中使用铅制水管的情况,可考虑使用净水器或饮用烧开的桶装水来降低风险 ...
Dhaka, June 29 -- day unique art workshop on Cyanotype and Gum Bichromate Techniques 'Alchemy of Light' concluded on Sunday at Gallery Cosmos, shedding the spotlight on these two alternative ...
Design Excellence Awards competition, sponsored by the Metal Powder Industries Federation (MPIF), demonstrate outstanding examples of PM’s diversity and ability to meet critical requirements.