The prediction of the change trend on oils which was as a main pollutant in the river water from 1996 to 2000 was done by the grey theory.
作者根据１９９１～１９９５年鸭绿江下游及河口附近水质监测结果，对该区域水体的污染作出分析和评价，提出鸭绿江下游水质逐年好转，河口附近水质逐年变坏的观点，并利用灰色理论对１９９６～２０００年期间水体中的主要污染物———石油类的变化趋势作出预测。
FT-IR Spectrophotometric Determination of Low Components of Petroleum in Water;
傅里叶变换红外光谱法测定水中低浓度石油类
The method which was petroleum in water to drink were monitored by us to QC all process;
饮用水石油类项目监测质量保证的全过程措施
Heavy metals and petroleum in soils with wastewater irrigation practices;
污灌区重金属和石油类环境影响评价
Determination of Microoil in Water by Infrared Spectrometry;
红外光度法测定水中微量石油类问题探讨
Standard Selection in Determination of Oil in Surface Water by UV Spectrophotometry;
紫外光度法测定地表水中石油类的油标选择
Determining Oil in Wastewater of Vehicle Manufacturing Industry with Extraction Method;
车辆制造行业废水中石油类测定萃取方法探讨
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
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。
In the study on mechanisms of SD-2 in oil hydrocarbons,gas chromatography analysis shows that the transportation of oil hydrocarbons in cells has certain selectivity.
菌株SD-2在石油烃类运输的初步机理研究中,通过气相色谱分析证明:细胞中石油烃类的运输有一定的选择性;而且,运输前石油烃类的某些组分是紧密地吸附在细胞表面的,然后不加修饰地将这些组分运输到细胞内。
The mechanisms of degradation of oil hydrocarbons in this bacterium were carried out.
菌株 SD— 1在石油烃类运输的初步机理研究中 ,通过气相色谱分析证明 :细胞中石油烃类的运输有一定的选择性 ;而且 ,运输前石油烃类的某些组分是紧密地吸附在细胞表面的 ,然后不加修饰地将这些组分运输到细胞内。
Water Quality Idea Discussion on Rapid Determination of Petroleum/Animal and Vegetable Oils
水质石油类/动植物油快速测定方法探讨
Simulation Research on Groundwater Transportation
地下水中石油类污染物运移模拟研究
Discuss on Determination of Petroleum Oil at Low Concentration
低浓度石油类测定过程中的问题探讨
A volatile, flammable fraction of petroleum, obtained by distillation and used as a solvent.
石油类是石油当中易挥发,易点燃的成分。通过蒸馏获得,用作溶剂
Petroleum product--Fuel (class F) Classification-Part 4: Liquefied petroleum gases (family L)
GB/T12692.4-1992石油产品燃料(F类)分类第四部分:液化石油气(L组)
Analysis of capital structure and profit ability of petroleum and petrochemistry listed company
石油石化类公司资本结构与获利能力分析
Classification of locations for electrical installations at petroleum facilities
石油设施电气装置场所分类
liquefied petroleum gas installations [public works category]
石油气装置〔公共工程类别〕
Petroleum products and lubricants--Method of classification--Definition of classes
GB/T498-1987石油产品及润滑剂的总分类
Both types are known to be productive of oil and gas.
这两类圈闭是盛产石油和天然气的。
A PETROLEUM-DEGRADING FRESHWATER ALGA PHORMIDIUM FOVEOLARUM GOM.
一种降解石油烃的淡水藻类——坑形席藻
A Study of Organic Sulfur Role on the Petroleum Hydrocarbon Generation;
有机硫在石油烃类生成中的作用研究
Microbial Remediation of Petroleum Contaminated Soil
石油烃类污染土壤的微生物修复技术
Natural fibres contain impurities in the form of oils, fats and waxes.
天然的纤维含有一些类似油和石蜡之类的杂质。
Petroleum products-Fuels (class F) Classification-Part 1: General
GB/T12692.1-1990石油产品燃料(F类)分类第一部分:总则
Petroleum products-Fuels (class F) Classification-Part 2: Categories of marine fuels
GB/T12692.2-1990石油产品燃料(F类)分类第二部分:船用燃料油品种
Production of API Ⅱ Group and API Ⅲ Group Lube Base Oils by Isodewaxing Xinjiang Paraffin Base Oil
新疆石蜡基油异构脱蜡生产APIⅡ、Ⅲ类润滑油基础油
petroleum refining
石油炼制业; 炼油业; 石油精炼石油拦索