With petroleum hydrocarbons with a high dilution ratio.
与石油烃具有高的稀释比。
Organic polymers and petroleum hydrocarbons are the main pollutants in viscous oil wastewater.
有机聚合物和石油烃类物质是稠油废水中的主要污染物。
Various theories and suppositions have been proposed about the origin of petroleum hydrocarbons. It is really a hot topic .
有关石油碳氢化合物的起源问题，有着各种各样的理论和推测，可以说是一个热门话题。
With the complexity of crude oil compositions, the content of arsenic compounds in petroleum hydrocarbons increased gradually.
随着世界石油资源不断贫化，石油烃中的砷化物含量越来越高。
I think the theory of inorganic origin of petroleum hydrocarbons has not been generally accepted. It is merely of historical interest.
我认为石油碳氢化合物无机来源的理论未能被多数人接受，它仅在过去引起过某些人的兴趣。
The adsorption of dissolved petroleum hydrocarbons(DPHs) on sands and the influencing factors were studied using diesel polluted seawater as the object of research.
以柴油污染的海水为对象，研究了砂对海水中溶解油的吸附作用及吸附的影响因素。
Solvent extraction based on reversible chemical complexation can showed its high selectivity and high capacity for separation of polar organics from petroleum hydrocarbons.
采用萃取分离方法从石油烃中分离极性有机物具有高效性和高选择性。
Ineffective processing and disposal of oils, grease, petroleum hydrocarbons, surfactants or solvents used in vehicle washing and degreasing degrade surface water (AAPA, 1998).
油污类、油脂、石油的碳氢化合物、表面活性剂或是洗涤船只的溶剂和油污表面去脂水等不当处理和弃置而形成污染。(aapa, 1998年)。
The contents of petroleum hydrocarbons, chemical oxygen demand and chrome all meet the fishery water quality standard for major water areas in this Bay except a few estuary areas.
除少数河口区外，胶州湾绝大多数海域的石油烃、化学耗氧量和金属铬含量均满足渔业水质要求。
Port facilities construction and renovation contribute to surface and ground water contamination and air pollution from asbestos, lead-based paint, dust, sediments, PCBs and petroleum hydrocarbons.
港口设施的建设和改造，而造成地下水污染和对空气的污染是来自石棉、含铅的油漆、灰尘、沉淀物、多氯联苯、石油碳氢化合物等。
It may take millions of years to fill such a reservoir with a considerable amount of petroleum hydrocarbons, but it takes only thirty years or little more to pump the oil out of a newly-found field.
要以大量的石油碳氢化合物去填满一个储油层可能需要几百万年的时间，而从新发现的油田中打出油来则只需要30年或稍多一点的时间。
An official of the island's Bureau of Minerals and Petroleum has specified that any companies extracting hydrocarbons in the neighbourhood must also develop and use carbon-storage technology.
格陵兰一位矿产和石油局的官员明确指出，任何想要在附近区域开采矿产的公司必须同时开发并且运用碳储存技术。
The petroleum is first heated in a boiler to separate the smaller hydrocarbons with low boiling points from the larger hydrocarbons with high boiling points.
石油先在一蒸发器内加热，从高沸点的大分子碳水化合物中分离出低沸点的小分子碳水化合物。
The olefins, such as ethylene and propylene, are formed from petroleum gas or from cracking of larger hydrocarbons. Ethylene is used to make polyethylene e.g.
烯烃主要是来自石油气或大分子的碳氢化合物裂解，如乙烯，丙烯。
The most important route to produce these unsaturated hydrocarbons is by steam cracking, using principally petroleum gases or naphtha as feedstock.
生产这种不饱和烃类最重要的路线是靠蒸汽裂解，主要以石油气体和石脑油作原料。
The petroleum and chemical industries use condensers for hydrocarbons and other chemical vapours.
石油化学工业中用冷凝器使烃类及其它化学蒸气冷凝。
Natural gas and petroleum are in fact our chief sources of hydrocarbons.
实际上，天然气和石油是我们碳氢化合物的主要来源。
Coal gas, water gas, producer gas and similar gases, other than petroleum gases and other gaseous hydrocarbons.
煤气、水煤气、炉煤气及类似气体，但石油气及其他烃类气除外。
Although all petroleum is composed essentially of a number of hydrocarbons, they are present in varying proportions in each deposit, and the properties of each deposit have to be evaluated.
尽管所有的石油都是由一系列碳氢化合物组成，但来自不同油层的石油，其成份也各不相同，这些不同成份的原油都需要进行评价。
A black or dark brown shale containing hydrocarbons that yield petroleum by distillation.
一种黑色或深褐色的页岩，含有碳氢化合物，通过提炼可产石油。
Petroleum gases and other gaseous hydrocarbons.
石油气及其他烃类气。
Petroleum is the general term for solid, liquid or gaseous hydrocarbons.
石油是固体，液体或气体碳氢化合物的总称。
Any of three colorless, flammable isomeric hydrocarbons, C5H12, derived from petroleum and used as solvents.
戊烷有三种同分异构体的无色可燃烷烃，c5h12，从石油中提炼，可用做溶剂。
As petroleum exploration applied to more and more regions, piedmont zone in foreland basin is becoming new areas in searching for the presence of hydrocarbons.
随着油气勘探领域的不断拓宽，前陆盆地山前带已成为寻找新的油气资源的地带。
As the name implies, petrochemicals are chemicals made from petroleum, from hydrocarbons found in the latter.
顾名思义，石油化工产品是从石油中，从石油的碳氢化合物中提炼出来的化学制品。
As the name implies, petrochemicals are chemicals made from petroleum, from hydrocarbons found in the latter.
顾名思义，石油化工产品是从石油中，从石油的碳氢化合物中提炼出来的化学制品。
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