烃类

By the carbonification degree in the concentrated sulphuric acid, the mineral wax, such as paraffin wax added can be determined.

根据蜂蜡中的烃类在浓硫酸中可被炭化，加入的石蜡等矿蜡被炭化来测定此类掺杂。

Volumes of various group composition were calculated by using addible RI of hydrocarbon mixtute, then their volume percentage was determinded.

利用烃类混合折光率的可加性计算各族组分流出体,计算其体百分含量。

Nonbiodegradable pollutants, such as certain chlorinated hydrocarbon pesticides (e.g.DDT) and heavy metals, such as lead, copper, and zinc in some industrial effluents, accumulate in the environment.

可降解的污染，如氯代烃类杀虫剂（如DDT）和工业废水中的重金属，如铅、铜和锌，在环境中累。

Casinghead gas is wet gas containing liquid hydrocarbons that can be removed from the gas by reducing the temperature or pressure on the gas with an absorption plant.

套管头天然气为包含液态烃类的湿气，这些液烃可由降低温度或压力用吸收装置天然气中去除。