After two decades, 95 percent of the elemental mercury on the surface of a filling had gone through a chemical reaction. It became beta-mercury sulfide, a black-colored solid.
经过了20年的光阴，旧填充物表面有95%的汞元素已经发生了化学反应，它变成了黑辰砂(beta - mercury sulfide)，一种黑色的固体。
The Moon's sky is black, as well as the skies of Mercury and Pluto, because there is nothing around them to reflect sunlight.
月球的天空与水星，冥王星一样都是黑色的，因为他们的周围没有反射阳光的物质。
Black mercuric sulfide, a black powder obtained from mercury salts or by the reaction of mercury with sulfur, used as a pigment.
黑色硫化汞，是来自于汞盐或通过水银与硫磺反应而得到的一种黑色粉末，用作颜料。
The excess tin chloride addition produces black mercury precipitation and is about to seriously affect the determination of iron by using potassium chromate volumetric analysis method.
重铬酸钾容量法测铁中，二氯化锡超量产生黑色汞沉淀，严重影响测定。
During the minerogenetic process of the mercury ores, the black and yellow bitterns exert important influences on regions of different geological setting.
在汞矿成矿过程中，黑卤和黄卤于不同地质背景的区域，都发挥着重要作用。
During the minerogenetic process of the mercury ores, the black and yellow bitterns exert important influences on regions of different geological setting.
在汞矿成矿过程中，黑卤和黄卤于不同地质背景的区域，都发挥着重要作用。
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