六水合硝酸钴（II）；
本文以钨酸钠和硝酸钴为原料合成了钨钴杂多酸盐。
Tungstocobalt heteropoly salts were synthesized using sodium tungstate and cobalt nitrate as materials.
运用酒精、硬脂酸、氢氧化钠、酚酞、硝酸铜、硝酸钴等原料，制备彩色固体酒精。
The colored solidified alcohol has been prepared by utilizing alcohol, stearic acid, sodium hydroxide, phenolphthalein, copper nitrate and cobalt nitrate.
采用硝酸钴、硝酸锶及尿素为原料，通过溶胶-水热合成方法制备出掺锶钴氧化物前驱体。
By using cobalt nitrate, strontium nitrate and urea as initiative materials, the precursor of cobalt oxide was prepared by Sol-hydrothermal synthesis.
YG8硬质合金经稀硝酸水溶液化学侵蚀后，表面一定深度内的粘结相钴将被化学刻蚀掉，引起表层疏松。
Cobalt phase was chemically etched to certain depth beneath the surface and porous layer was formed after YG8 cemented carbide had been soaked in aqueous solution of dilute nitric acid.
报道了以钨酸钠、硫酸钴和二亚硝酸二胺铂为主盐、以柠檬酸盐为络合剂电沉积钴铂钨合金的工艺过程。
A series of cobalt platinum tungsten alloys were deposited with sodium tungstate and cobaltous sulfate as the main salts and citrate as the complex agent.
以硝酸为氧化剂、硫酸为添加剂的混酸体系用于铜镍硫化矿尾矿中镍、铜、钴等有价金属的浸出，镍、铜、钴浸出率分别可达91。
A mixed nitric-sulphuric acids is used to recover the valuable metals ni, Cu and co from low-grade Ni-Cu sulfide tailings, the leaching rate of ni, Cu, and co is 91.
用阶梯扫描伏安法研究了钴—亚硝酸盐—乙二胺体系在静汞电极上的催化波，用以测定土壤和植物中的微量钴。
The polarographic catalytic wave of Cobalt in Ethylene Diamine-Nitrite solution has been applied to determine trace Cobalt in soil and plant by staircase voltammetry on static mercury drop electrode.
用阶梯扫描伏安法研究了钴—亚硝酸盐—乙二胺体系在静汞电极上的催化波，用以测定土壤和植物中的微量钴。
The polarographic catalytic wave of Cobalt in Ethylene Diamine-Nitrite solution has been applied to determine trace Cobalt in soil and plant by staircase voltammetry on static mercury drop electrode.
应用推荐