The chemical composition of the pyrolytic oil was clearly known this way.

Here is the report of chemical composition inspection.

这是化学成份检验报告.

The infrared spectra ( IRS ) are measured for chemical composition of series gallstones.

用红外光谱法测量了系列胆结石成分的红外光谱.

The influence of chemical composition on austenitizing temperature was introduced.

介绍化学成分对奥氏体化温度的影响.

So that chemical composition tends to coordinate of upper leaf.

使上部叶化学成分趋于协调.

Heat reacts on certain substances to change their chemical composition.

热能作用于某些物质,使其改变化学成分.

Scientists are predicting long-term changes in the chemical composition of the atmosphere.

科学家预测大气的化学成分将会有 长期 改变.

The iron in the chemical compound must be purged.

化学混合物中的铁必须清除.

A chemical compound that contains the group N 3.

(化学)关于或包含基团N3的叠氮化物.

A chemical compound of a halogen with a more element or group.

各种由碳和卤素构成的化合物.

Maybe, if studies on a chemical compound pan out.

有可能, 如果某种化学合成物能研究成功的话.

Transposition of an amino group within a chemical compound.

氨基甲酸的一种盐,用作氮肥.

Is the substance a simple one, or a chemical compound?

这种物质是单质还是化合物?

Analyze a chemical compound.

请分解一种化合物.

An antioxidant is a chemical compound or substance that inhibits oxidation.

抗氧化物是一种化学复合物或物质,可抑制氧化.

Water is the most abundant chemical compound in the boisphere.

水是生物圈中最丰富的化合物.

Chemical formula: Expression of the composition or structure of a chemical compound.

化学式: 化合物的组成或结构的任何一种表达式的总称.

Transfer of an amino group from one chemical compound to another.

转氨作用将氨基从一种''.'化合物'.''转移到另一种''.'化合物'. ''.

A vitamin is a chemical compound that cannot be synthesized by the human body.

维生素是一种人体无法合成的化合物。

The discovery of the chemical element a happy accident.

发现这种化学元素纯属偶然.

Radium is a chemical element.

镭是一种化学元素.