The degradation ability and uptake modes of Long-chain alkane-degrading bacteria were investigated.
对长链烷烃降解菌的降解能力和摄取模式进行了研究。
Nano-sized Beta zeolite was successfully synthesized,its properties were analyzed,and its performance in the hydrocracking of long-chain alkane was investigated.
成功合成了纳米Beta沸石,分析了物化性质并考察了其作为催化剂在长链烷烃加氢裂化反应中的性能。
Separation and determination of alkane and cycloparaffinic hydrocarbon in heavy oil by combining ultrasonic wave with the adductions of urea and thiourea;
超声包合法分离测定重质油中链烷烃和环烷烃
Harmonic topological researches of thermodynamic properties for alkanes;
链烷烃热力学性质的调和拓扑研究
A study of correlation between the physical-chemical properties and molecular molar mass of alkanes;
分子摩尔质量与链烷烃物理化学性质的相关性研究
The result showed that the impurities in crude phytosterols from soybean oil deodorizer distillate and rapeseed oil deodorizer distillate were long chain alkane and wax, respectively.
以菜籽油脱臭馏出物生产的甾醇粗制品中,杂质主要是长链烷烃,易采用正己烷进行重结晶精制,精制甾醇的纯度也可达96%以上。
The characteristics of difunctional modified polysiloxane,such as amido and polyether modified polysiloxane,amido and amid modified polysiloxane,amido and long chain alkane modified polysiloxane,epoxy and polyether modified polysiloxane,carboxy and long chain alkane modified polysiloxane were introduced,their synthesis process,application were described,and their prospects were predicted.
介绍了氨基和聚醚改性聚硅氧烷、氨基和酰氨基改性聚硅氧烷、氨基和长链烷烃改性聚硅氧烷、环氧基和聚醚改性聚硅氧烷及羧基和长链烷烃改性聚硅氧烷等双官能基改性聚有机硅氧烷的特性 ,简述了合成过程及应用工艺 ,并对其前景进行了预测。
STM observation shows that long chain alkanes increase the adsorption stability of organic molecules.
STM实验发现长链烷烃分子能够改善多种有机分子的吸附性能,本文利用CVFF力场对长链烷烃与石墨吸附体系进行了分子力学模拟,用半经验ZINDO/1,AM1方法对烷基取代酞菁和卟啉的STM形貌反差机制进行了研究。
QSPR Studies on Physico-Chemical Properties of Alkanes;
链烷烃物理化学性质的QSPR研究
Study on the reletionship between critical constant of alkanes and their molecular structures by using molecular topology;
链烷烃临界常数与分子结构拓扑相关性研究
Based on the molecular topological theory, novel molecular structure information connectivity indices mZc(m=0,l,2,…,n), 1Zc(m=0,1) are found out to be good correlation with gas chromatographic retention index RI of alkanes.
在分子拓扑理论的基础,新定义了原子的价点价δiz,并由δiz构建了新的价连接性指数mZc(m=0,1,2,…,n),发现mZc(m=0,1)与链烷烃的气相色谱保留指数RI有良好的相关性。
Effect of alkaline-earth promoters on the catalytic properties of supported PtSn/γ-Al_2O_3 catalysts for long-chain paraffin dehydrogenation;
添加碱土金属对负载型铂锡催化剂长链烷烃脱氢反应性能的影响
The influence of alkali metal ion promoters on the catalytic properties of Pt-Sn/γ-Al 2O 3 catalysts for the long-chain paraffin (C 10 ～C 13 ) dehydrogenation has been studied by H 2 chemisorption, infrared spectroscopy (IR), thermogravimetry (TG), temperature-programmed reduction (TPR) and microreactor testing.
采用微型催化反应装置 ,结合氢化学吸附、吡啶吸附的红外光谱、热重分析和程序升温还原等物理化学手段 ,研究了添加碱金属助剂对负载型Pt Sn/γ Al2 O3催化剂的长链烷烃 (C10 ～C13)脱氢反应性能、表面酸性、金属表面性质以及负载组分与载体之间相互作用的影响 。
Research of Long-chain Alkanes Isomerization over Tungsten Based Catalysts;
钨基催化剂上长链烷烃异构化的研究
Study on the Shape-Selective SAPO-based Catalysts for Hydroisomerization of Long-chain Paraffins;
SAPO基、长链烷烃择形异构化催化剂的结构设计
Study on Catalysts for Coupling of Dehydrogenation of Long Chain Alkane and Catalytic Combustion of Methane;
长链烷烃脱氢与甲烷催化燃烧直接耦合催化剂的制备及性能
Study on Catalysts for Catalytic Combustion of Methane and Dehydrogenation of Long-Chain Alkane;
甲烷催化燃烧和长链烷烃脱氢催化剂的制备及性能研究
Monolithic Catalytic Reactor for Direct Coupling of Dehydrogenation of Long Chain Alkane and Catalytic Combustion of Methane;
长链烷烃脱氢与甲烷催化燃烧直接热耦合的整体式催化反应器
Comparative study of fatty acid and n-alkane compositions in two phytoplankton species
小球藻和三角褐指藻中脂肪酸和长链烷烃组成的比较研究
A member of the alkane series.
链烷烃，石蜡烃链烷系列的一种
Any member of the alkane series.
链烷，烷烃烃链上的任一成分
Shape-Selective Hydroisomerization of Long-Chain n-Alkanes over Multi-Functional Catalysts;
长链正构烷烃在多功能催化剂上的择形异构化
Studies on the Alkylation of Benzene with Long Chain Alkene over Modified WO_3/ZrO_2;
改性WO_3/ZrO_2上苯和长链烯烃烷基化反应研究
Influences of Long Alkane Chain Quaternary Ammonium Salts on the Structure of Layers in OMMT
长烷烃链季铵盐对OMMT晶片层间结构的影响
isoprenoid alkane
异戊间二烯型链烷烃
Paraffins have high diesel indices.
链烷烃的柴油指数最高。
Study on Alkylation of Benzene with Long-chain Olefins over Immobilized AlCl_3 Catalyst;
固载化AlCl_3催化剂上苯与长链烯烃烷基化反应的研究
The straight-chain alkanes exacerbate the problem of engine "knock".
直链烷烃使机器的“爆震”问题更加严重。
Preparation of alkane diluent used in catalyst of ethylene polymerization
聚乙烯催化剂用链烷烃稀释剂的制备
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、少包含一个碳原子团链的饱和烃。
Naphthenic having the characteristics of naphthense,which are saturated hy_drocarbons 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闭链的饱和烃。