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- Normal alkanes in naphtha mainly generate such olefins as ethylene by cracking, but iso-alkanes are main source of manufacturing propylene. (在石化中,正烷烃裂解后产生烯烃多,如乙烯等,而异烷烃裂解主要用于生产丙烯)
- The carbon number range or the peak carbon number of normal alkanes in crude oils shift backuard and the light/ heavy hydrocarbons ratio show decreasing trendtion. 这些变化与原油在驱替过程中的自然色层吸附作用机理和原油中各种组分的相互作用关系有关。
- Keywords normal alkanes;sensibilization agent;photo-degradation.; 直链烷烃;敏化剂;光降解;
- Carbon distribution and content of normal alkane and isoalkane in rubber waxes are measured by using high temperature gas chromatography. 采用高温气相色谱法测定橡胶防护蜡中的正构烷烃和非正构烷烃的碳数及含量。
- In the oil and gas wells in Sichuan Basin,the percentage of naphthenic hydrocarbon gradually decreased while the normal alkane and isoalkane increased from deep to surface. 中国石化石油勘探开发研究院无锡石油地质研究所成都610059中国石化石油勘探开发研究院无锡石油地质研究所;
- The computer has a normal qwerty keyboard. 这台计算机有标准的英文键盘。
- The situation has returned to normal in the city. 这座城市的局势已恢复正常。
- Interfacial Tensions between Petroleum Carboxylates of Different Carbon Chain Length and Different Normal Alkanes 不同链长石油羧酸盐和不同碳数纯烃之间的界面张力
- The normal return fare to New York is fifty-six. 去纽约的来回票标准价是56元。
- Keywords differential scanning calorimetry;endothermal/exdothermal range and capacity;normal alkanes; 差示扫描量热法;吸热温度;吸热量;正构烷烃;
- Keywords Tianjin;surface soil;horizon compared;normal alkanes;sterane and terpane;pollution source; 天津;表层土壤;分层对比;正构烷烃;甾、萜烷烃类;污染源;
- Everything is absolutely normal. 一切完全正常。
- This case is not amenable to the normal rules. 这件事经不起常规的检验。
- The doctor said the child's temperature was normal. 医生说孩子体温正常。
- A condition of normal body temperature. 正常体温体温正常的状况
- Normal firmness of a tissue or an organ. 健康状态某个组织或器官所具有的正常坚韧性
- Less than the normal ability to respond to stimuli. 敏感减轻对刺激反应能力低于正常水平
- THE SYNERGISTIC EFFECT OF MIXED SURFACTANTS IN REDUCING INTERFA CIAL TENSION BETWEEN BINARY AQUEOUS SURFACTANT SOLUTIONS AND NORMAL ALKANES OF DIFFERENT CARBON NUMBER 油相性质对水相中混合表面活性剂协同效应的影响
- The bus service have returned to normal after the strike. 罢工结束後公共汽车恢复了正常的运营。
- Loss or removal of normal pigmentation. 褪色丧失或转移正常的着色