isoprene的例句大全

Polymerization of isoprene with tetrabutyl titanate and supported titanium catalyst system

钛酸丁酯/负载钛体系催化异戊二烯聚合

Terpenoid, consisting of isoprene units, is one kind of hydrocarbons or their oxygen-containing derivatives in the nature.

萜类化合物是指自然界中分子式为异戊二烯单位倍数的烃类以及其含氧衍生物。

The optimum operating condition and reaction medium of isoprene trimerization were established.

实验确定出了异戊二烯催化三聚的适宜操作条件和反应介质。

Using solanesol, isoprene and coenzyme Q 0 as main raw materials, title compound coenzyme Q 10 was synthesized through reactions with three steps i.e. bromination, addition and condensation.

以茄尼醇、异戊二烯和辅酶Q0作为主要原料，通过溴化、加成和缩合3步反应合成了目标产物辅酶Q10。

The Calculation of Isoprene Emission Flux under Cloudy Sky Conditions and the increase of the flux by the clear plastic film mulch.

多云天气异戊二烯排放通量的计算地膜覆盖使土壤中N2O排放通量增加。

Mechanism of anionic polymerization of isoprene in cyclohexane-dioxane

异戊二烯在环己烷-二氧六环中的负离子聚合机理

The mechanism of anionic polymerization of isoprene with cyclohexane and dioxane as solvent was studied and improved by experiment.

推导了异戊二烯在环已烷-二氧六环混合溶剂中的负离子聚合机理，并通过实验进行了验证。

The results showed that the catalyst combined with diethyl phosphite ( DEP) exhibited the highest activity in isoprene polymerization in hexane at relatively high temperature ( 50 ℃).

结果表明，以亚磷酸二乙酯（DEP）为第三组分的催化体系，在己烷中于相对较高温度（50℃）下的催化活性最高。

ethane, isobutane, butane, cyclopentane, isopentane, toluene, ethylbenzene, m/ p-xylene, 1,2,4-trimethylbenzene, ethylene, propylene and isoprene are the main vocs in ambient air in jinan.

乙烷、异丁烷、正丁烷、环戊烷、异戊烷、甲苯、乙基苯、间/对二甲苯、1,2,4-三甲基苯、乙烯、丙烯与异戊二烯是济南市环境空气中主要VOCs。

Study of chain transfer reaction of isoprene using potassium phenoxide as promoter

酚钾盐为助引发剂的异戊二烯调聚链转移反应研究

Microstructure of product obtained from anionic polymerization of isoprene using THF as polar additive

异戊二烯/THF负离子聚合产物的微观结构

When the reaction temperature and time of cycloaddition were 10-25 ℃ and 7-10 d, respectively, excess isoprene made the reaction more sufficient and increased the conversion rate of dichlorophenylphosphine.

当二氧苯基膦与异戊二烯的环化加成反应温度和时间分别为1025℃和710d时，过量的异戊二烯使反应更加充分，同时提高了二氧苯基膦的转化率。

The application of liquid isoprene rubber ( LIR) partly replacing NR by equal weight in bead filler of PC tire was investigated.

研究液体聚异戊二烯橡胶（LIR）等量部分替代NR在轿车轮胎三角胶中的应用效果。

The effect of liquid isoprene rubber ( LIR) on properties of NR/ BR compound, physical properties and thermal air aging property of its vulcanizate was investigated and compared to that of aromatic oil.

以液体聚异戊二烯橡胶（LIR）为反应型增塑剂，研究LIR对NR/BR混炼胶性能、硫化胶物理性能和耐热空气老化性能的影响，并与添加芳烃油的NR/BR并用胶进行对比。

the molecular complexed constants of sulfolane and dimethylsulfolane with cyclopentadiene, benzene and isoprene by gas-liquid chromatography

气液色谱法测定环丁砜、二甲基环丁砜与环戊二烯、苯、异戊二烯的分子络合常数

Microstructure of product obtained from anionic polymerization of isoprene using Et2O as polar additive

异戊二烯-环己烷-乙醚体系负离子聚合产物的微观结构

With the light-temperature model put forward by Guenther, isoprene emission from Chinese forest ecosystem was estimated.

本文应用Guenther的光温影响模型，对1993年中国森林生态系统的异戊二烯排放量进行了估算。

a synthetic elastomer produced by catalytic copolymerization of isobutene with no more than 3% of isoprene;

异丁烯和不大于3%的异戊二烯催化共聚所生成的合成弹性体。

Evaluation of the inhibiting polymerization of isoprene using tert-butyl catechol inhibitor

对叔丁基邻苯二酚对异戊二烯阻聚效果的评价

polymerization of styrene and isoprene with rare earth schiff base complexes; synthesis and characterization of hydroxyl-terminated polyisoprene and its copolymer

稀土席夫碱配合物催化苯乙烯、异戊二烯聚合端羟基聚异戊二烯及其共聚物的合成与表征