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- Polypropylene is the second resin in the family of polyolefin composed of long chain saturated hydrocarbons. 聚丙烯是含有长链饱和烃的聚烯烃系列中第二个树脂。
- Because compounds of this type contain only single bonds they are often referred to as saturated hydrocarbons. 因为这类化合物只含有单键,所以它们常被称为饱和烃。
- Paraffinic Having the characteristics of paraffins, saturated hydrocarbons of open chain structure. 石蜡族具有石蜡的特性、具开放式结构的饱和烃。
- Paraffinic Having the characteristics of paraffins,saturated hydrocarbons of open chain structure. 石蜡族具有石蜡的特性、具开放式结构的饱和烃。
- Any isomeric saturated hydrocarbon found in petroleum and used as a fuel and solvent. 这种碳氢化合物的任何一种同分异构体,见于石油中,用作燃料和溶剂。
- Any of a series of hydroxyl compounds, the simplest of which are derived from saturated hydrocarbons, have the general formula CnH2n+1OH, and include ethanol and methanol. 醇一系列羟基化合物的任一种,其中最简单的一种可从饱合的碳氢化合物中提取,具有化学分子式CnH2n+1OH,并且包括乙醇和甲醇
- Any of a series of hydroxyl compounds,the simplest of which are derived from saturated hydrocarbons,have the general formula CnH2n+1OH,and include ethanol and methanol. 醇,一系列羟基化合物的任一种,其中最简单的一种可从饱合的碳氢化合物中提取,具有化学分子式CnH2n+1OH,并且包括乙醇和甲醇。
- In this article, dustfall samples, which collected from Shilong coal-mining area, Pingdingshan, Henan, have been studied for saturated hydrocarbons by means of GC-MS technology. 应用GC-MS技术鉴定平顶山市石龙区降尘样品中饱和烃组分,分析其样品中正构烷烃的分布特征,并结合生物标志物参数解析其来源。
- Naphthenic having the characteristics of naphthense,which are saturated hydrocarbons containing molecules with at least one closed ring of carbon atoms. 环烷烃具有环烷特性的、至少包含一个碳原子团链的饱和烃。
- Abundant cutinite and exitinite of oil shale cause the volume of long-chain saturated hydrocarbon increases. 油页岩中含有丰富的角质体和壳屑体,导致长链饱和烃增加。
- The effects of microbial degradation on crude compositions such as saturated hydrocarbons, aromatic hydrocarbons, gum and asphaltene and their contents are analyzed. 研究结果表明,菌解作用能使原油物性发生明显改善。
- On the basis of predecessors' work,the author advanced a new method for calculating acentric factors of saturated hydrocarbon according to the molecular structure. 本文在前人工作的基础上,提出一种根据分子结构预测饱和烃偏心因子的新方法。
- This makes isoparaffin analysis pass thermo vaporation separation examination from the sample of hydrocarbon source rock, reservoir rock and saturated hydrocarbon. 降低分流比,增加进样量,提高灵敏度,使常量分析提高到痕量分析。
- The calculated result for large amount of acentric factors of saturated hydrocarbon showed that the unanimity of calculated value and experimental value was satlsfactory. 对大量饱和烃偏心因子的计算结果表明,计算值与实验值的一致性令人满意,计算结果的平均绝对误差为0.0056。
- Steranes and terpanes exist in saturated hydrocarbon component of oil and source rock,and they are usually identified by gas chromatogram-mass spectrum. 甾萜类化合物存在于原油和生油岩的饱和烃组分中,通常用色谱-质谱法鉴定。
- The experiment's results indicate that TOC content and saturated hydrocarbon were destroyed intensely in the hot brines,and the content of aromatic hydrocarbon increased. 实验结果表明,相对于围岩,盆地热卤水对矿体中的有机碳含量和饱和烃组分的破坏程度较大,并且使矿体中的芳香烃含量增加。
- Abstract: The density of the organic matter, the composition of each group constituent, the composition and distribution characteristics of the saturated hydrocarbons and PAHs in the air-borne dusts in Beijing municipality are analyzed. 文摘:对北京石景山地区大气中有机质浓度、各族组成及其饱和烃、多环芳烃的组成和分布特征进行了分析。
- Residual oil samples were separated in an alumina packing column by flushing with different solvents, and saturated hydrocarbons, aromaties, resinous substance and asphalt were obtained. 用氧化铝作填充柱,渣油试样用不同溶剂进行冲洗后,可分离为饱和烃、芳烃、胶质和沥青质。
- HE Tao'e,SHAO Longyi,LI Hong,et al.Distribution of saturated hydrocarbons in airborne inhalable particulates of northwestern urban district in Beijing[J].Journal of Alaeogeography,2004,6(4):485-492. [2]贺桃娥;邵龙义;李红;等.;北京市西北城区大气可吸入颗粒物中饱和烃的分布特征[J]
- Saturated hydrocarbon fractions of free oil, sealing oil and bound oil, which are extracted from six oil sands of Yanchang Formation in Xifeng oilfield of northwestern Ordos Basin, Northwest China, have been analyzed by GC/MSD(6890N/5973N) in order. 摘要对鄂尔多斯盆地西峰油田三叠系延长组六个油砂样品中游离烃、封闭烃、束缚烃的饱和烃馏分进行了GC-MS分析。