petroleum benzene
英 [pəˈtrəʊliəm ˈbenziːn]
美 [pəˈtroʊliəm ˈbenziːn]
网络 石油苯
双语例句
- The compositions of grease were eluted with petroleum ether, benzene, chloroform, ethyl acetate, acetone, ethanol and characterized by means of IR and NMR spectroscopy.
油脂部分依次以石油醚、苯、氯仿、乙酸乙酯、丙酮、乙醇为淋洗剂进行洗脱，利用红外光谱、核磁共振光谱法对所分离组分进行了结构鉴定。 - In order to know about current situation of test workers who expose to benzene series in one petroleum enterprise, benzene series occupational hazards are tested for6 test jobs.
为了解某石化企业化验岗位工人与苯系物接触现状，对该企业6个化验岗位进行了苯系物职业危害因素检测。 - Interfacial Activities of Petroleum Carboxylate and Alkyl Benzene Sulfonate Combined System with and without Weak Alkaline
石油羧酸盐与烷基苯磺酸盐复配体系在弱碱、无碱条件下的界面活性 - The absorbing process with active carbon can make CS2 content in coking pure benzene reduce to less than 3 × 10-6 and can meet the quality requirement of CS2 content of petroleum benzene.
采用活性炭吸附法可使焦化纯苯CS2含量降至3×10-6以下，可达到石油苯CS2的质量要求。 - Interfacial Activity for and Adsorption of Surfactants from Petroleum Carboxylates/ Heavy Alkyl Benzene Sulfonates/ Alkaline Combinational Systems
石油羧酸盐/重烷基苯磺酸盐/碱复配体系的界面活性及吸附特性 - Microbial Organo-Desulfurization of Petroleum and Production of Byproduct Benzene Sulfonate
石油微生物脱有机硫及苯磺酸盐副产品生产 - Simultaneous Determination of Crystallization Point. Density. Boiling Range and Purity of Petroleum Benzene by Gas Chromatography
用气相色谱法同时测定石油苯的结晶点、密度、沸程及纯度 - Petroleum asphaltenes was defined as macromolecules which can be dissolved in benzene or toluene but not soluble in low molecular alkanes.
原油沥青质是原油中不溶于低分子烷烃而能溶于苯、甲苯等溶剂的高分子物质。