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

利用烃类混光率可性计算各族组分流出体积,从而计算其体积百分含量。

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

根据蜂蜡中烃类在浓硫酸中可被炭化，入石蜡等矿蜡不被炭化来测定此类掺杂。

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.

生不可降解污染，如氯代烃类杀虫剂（如DDT）和工业废水中属，如铅、铜和锌，在环境中积累。

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湿气，这些液烃可由降低温度或压力用吸收装置从天然气中去除。