black precipitate
英 [blæk prɪˈsɪpɪteɪt]
美 [blæk prɪˈsɪpɪteɪt]
网络 黑色沉淀氧化亚汞
双语例句
- Turbidity easily occurs in blending liquor due to the change of solubility conditions of the solute. The turbidity mainly covers protein haze, brownish black color precipitate, inorganic salt precipitate, alkali haze, and higher fatty acid and ester precipitate.
因配制酒中各溶解成分的溶解度条件的改变而易产生混浊，混浊的原因有：蛋白质混浊、棕黑色沉淀、无机盐沉淀、碱性混浊和高级脂肪酸酯混浊； - For better observation under light microscope, the dull brown precipitate was converted into black silver precipitate of sharp-contrast using the sulfide-silver amplification method.
为了便于在光学显微镜下观察酶反应的结果，可用硫化物-银放大法将暗淡的棕色沉淀转化为强反差的黑色银沉淀。 - Much deposition was found in the ditch of the main gallery of Daheiting Dam in1988, including milky white, black and red brown precipitate.
大黑汀水库大坝主廊道于1988年发现在排水孔及排水沟内有大量的沉积物，分别为乳白色絮状物、黑色及红褐色物质。 - Action of Fe2+ ion and S2-ion to form FeS, and action of S2-ion and added Cu 2+ ion to produce black precipitate.
培养容器中Fe2+和S2-反应生成FeS，而S2-遇到外加的Cu2+后Cu产生黑色沉淀。