A higher than normal amount of a substance can be a sign of liver disease that may be caused by gallbladder cancer.
高于正常数量的物质可能是肝脏疾病的一个迹象，可能是由于胆囊癌所引起的。
The more common Lethal Dosage (LD) tests are used to determine the amount of a substance that will kill a predetermined ratio of animals.
通常的致死剂量测试(LD)被用来确定能够一次杀死动物的几率。
An analytical method for determining the amount of a substance released during electrolysis in which the number of coulombs used is measured.
库仑测定法，电量测定法：一种分析方法，用测量消耗的库仑数来测定电解过程中释放出的物质的量。
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