含量测定的英文怎么说

含量测定的英文：
assay

determination of juice content in orange, mandarine, tangerine juice and their drinks
橙、柑、桔汁及其饮料中果汁含量的测定

Sodium tripolyphosphate for industrial use--Determination of I type content
GB/T9984.11-1988工业三聚磷酸钠I型含量的测定

Fruit and vegetable products-Determination of copper content-Photometric method
GB/T12284-1990水果、蔬菜制品铜含量的测定光度法

Isolate and synthetic aroma chemicals--Determination of tertiary content by acetyl chloride-dimethyl aniline method
GB/T14457.8-1993单离及合成香料叔醇含量的测定氯乙酰-二甲基苯胺法

This ore assays high in gold.
这矿石经检验证明含金量高。

Immunological methods--Enzyme-linked immunosorbent assay
免疫学方法-酶联免疫吸附试验(ELISA)

After chemical assay, we have known the composition of the ore.
经过化学分析，我们知道了矿石的构成。

The most chemically satisfying approach may seem to require the use of the assay system
化学上最理想的探讨途径，似乎需要应用一些鉴定系统。

Such an assay does not preclude the direct exchange of serine and glycerol phosphate
这样一个试验并不杜绝丝氨酸同磷酸甘油的直接交换。