1) characterization factor of petroleum hydrocarbons
石油烃K值
2) petroleum hydrocarbon
石油烃
1.
Degradation effect of ectomycorrhizal fungi-inoculated Fraxinus sogdiana on petroleum hydrocarbon in soil;
小叶白蜡接种外生菌根真菌对土壤石油烃的降解效果
2.
Distributions and change tendencies of chlorinated hydrocarbons and petroleum hydrocarbons in bivalves from Guangdong coast;
广东沿海近江牡蛎氯代烃和石油烃含量分布与变化趋势
3.
Effect of nutrients on marine bacteria for their growth and the degradation of petroleum hydrocarbon;
营养盐对湄洲湾海洋细菌生长及降解石油烃的影响
3) Petroleum hydrocarbons
石油烃
1.
Distribution and sources of petroleum hydrocarbons and polycyclic aromatic hydrocarbons in sediments from Daliao River watershed, China;
大辽河水系表层沉积物中石油烃和多环芳烃的分布及来源
2.
Seasonal distribution characteristics of petroleum hydrocarbons in AB frequent occurrence area in East China Sea;
东海赤潮频发区石油烃的季节分布特征
3.
Kinetic features and threshold value of petroleum hydrocarbons for Ruditapes philippinarum;
菲律宾蛤仔对石油烃的污染动力学和阈值研究
4) petroleum hydrocarbons
石油烃类
1.
Quantum yields study of petroleum hydrocarbons by TiO_2 photodegradation in aquatic solution;
水环境中石油烃类的TiO_2光催化降解量子产率的测定
2.
The sediment samples were extracted by Organic Solvents, separated by silica gel column (chromatography), determined by GC-MSD with SIM date collect system for petroleum hydrocarbons (M/Z=55) and 24 (individual) PAHs (individial M/Z).
2002年4月厦门港沿岸设9个站,员当湖设两个站采集表层沉积物,用有机溶剂萃取,硅胶柱色层分离,气相色谱-质谱联机带SIM数据采集系统对样品的石油烃类(M/Z=55),多环芳香烃类进行分析,结果显示员当湖石油烃和多环芳香烃质量分数分别高达1397和1376。
5) total petroleum hydrocarbons
总石油烃
1.
Water and sediment samples were collected from Tiebutie pool in Daqing which has been used to take up waste water from a petrochemical plant for about20years,and the total petroleum hydrocarbons(TPH)concentration of water and sediment samples were detected using GC.
按泡内水流方向采集水及沉积物样品,并对其中的总石油烃(TPH)含量进行检测分析。
6) petroleum
[英][pə'trəʊliəm] [美][pə'trolɪəm]
石油烃
1.
Determination of total petroleum in halobios by fluorescence spectrophotometry;
荧光法测定海洋生物体中石油烃总量
2.
Based on the methods of shaking (20℃) and soil column washing, the adsorption of soil to petroleum and its release from soil were studied.
试验采用恒温振荡法和土柱淋洗法研究了土壤对石油烃的吸附及其释放规律。
3.
【Objective】The eco-toxicity of petroleum-contaminated soil to the growth of soybean was analyzed.
【方法】通过盆栽试验,研究了土壤中不同石油烃质量浓度对黄豆幼苗叶绿素、丙二醛(MDA)含量和SOD活性的影响;通过田间试验,探讨了石油污染对黄豆生长性状、籽粒品质和土壤微生物的影响,考察了黄豆不同器官中石油烃的残留量。
补充资料：石油烃K值
分子式：
CAS号：
性质：又称石油烃K值（K value of petroleum hydrocarbons），表征烃类及石油馏分化学组成的一个指标。该因数通常与平均沸点成正比，与相对密度成反比。平均沸点最早采用的是分子平均沸点，后改用立方根平均沸点。对石油馏分而言，K值越高，相应饱和度越大。特性因素是评价石油馏分非常重要的特征数，对于指导石油加工，工艺设计都有一定的价值。
CAS号：
性质：又称石油烃K值（K value of petroleum hydrocarbons），表征烃类及石油馏分化学组成的一个指标。该因数通常与平均沸点成正比，与相对密度成反比。平均沸点最早采用的是分子平均沸点，后改用立方根平均沸点。对石油馏分而言，K值越高，相应饱和度越大。特性因素是评价石油馏分非常重要的特征数，对于指导石油加工，工艺设计都有一定的价值。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条