查询词典 styrene

Pregnant women exposed to lead, benzene, toluene, xylene, ethylene chloroprene, mercury and mercury compounds, arsenic, cyanide, nitrogen oxides, carbon monoxide, chlorine, carbon disulfide, styrene, ethylene oxide, aniline and formaldehyde and other chemicals prone to pregnancy-induced hypertension syndrome, appears lower extremity edema, blood pressure, urine protein appeared, and there will be a serious headache, vertigo, chest tightness and other symptoms, or even convulsions.

妇女怀孕后接触铅、苯、甲苯、二甲苯、氯丁乙烯、汞和汞的化合物、砷、氰化物、氮氧化物、一氧化碳、氯气、二硫化碳、苯乙烯、环氧乙烷、苯胺和甲醛等化学物质容易患妊娠高血压综合症，出现下肢浮肿、血压增高、尿中出现蛋白，严重时会出现头痛、眼花、胸闷等症状，甚至发生抽搐。

Based on the pure styrenes polymerization, the inhibited polymerization by inhibitor was studied. The effect of polymerization temperature, the addition of ethylbenzene, the content of inhibitor, and the compound of inhibitors was measured for the bulk thermal polymerization of styrene.

在纯苯乙烯聚合基础上，着重考察了阻聚剂(缓聚剂DNBP和阻聚剂M)阻聚下苯乙烯的聚合行为，并系统研究了聚合温度、乙苯含量、缓聚剂及阻聚剂含量、阻聚剂的复配对苯乙烯本体热聚合动力学的影响规律。

When concentration of modifier increased to 10% of styrene that the CPLP latex was stablest.

在此条件下制备的胶乳溶液，室温放置15 d没有出现沉淀。

Random solution polymerization styrene-butadiene rubber of good performance, especially suitable for the system light-colored or transparent products, can also be made into oil-filled rubber.

溶液聚合无规丁苯橡胶性能好，特别适宜制浅色或透明制品，也可制成充油橡胶。

The effect of the amount of solvent was not distinct. In the molybdenum blue- di-n-octyltin oxide system, besides the effect of the amount of catalyst, oxidant, phase transfer, solvent and the reaction time, the effect of reaction temperature on the synthetic reaction of styrene oxide was researched.

在钼蓝-氧化三丁锡体催化系中，除研究了溶剂用量、催化剂用量、氧化剂用量、相转移剂用量以及反应时间对氧化苯乙烯收率的影响外，还研究了反应温度对催化氧化苯乙烯反应的影响。

Two new chiral imidazoles with big conjugate system were synthesized, that is,-1-(-methylbenzyl)-2-benzene-4,5-dibenzene-imidazole and-1-(-methyl benzyI)-2-styrene-4,5-dibenzene-imidazole, whose salifying conditions were also briefly investigated.

设计并合成了两个新的含有手性单元和较大共轭体系的多取代咪唑：-1--2-苯基-4，5-二苯基咪唑和-1--2-苯乙烯基-4，5-二苯基咪唑，并对其成盐反应和条件进行了一些初步研究。

These catalysts were employed in the HKR of epichlorohydrin, styrene oxide and phenyl glycidyl ether.

研究了其对环氧苯乙烷、环氧氯丙烷以及苯氧基环氧丙烷等的水解动力学拆分的催化作用。

In the one hand, for catalytic double carbonylation of phenyl iodide or catalytic hydroesterification of styrene, the effect of pressure on products ratio reflected the difference in the volume of activation of different reaction routes.

对于碘苯双羰基化反应或苯乙烯氢酯基化反应，由于不同产物反应的活化体积不同，压力对于不同反应速率常数的影响亦不相同，因此压力增大会有利于其中某个反应。

The inhibition effect of 2,2,6,6-tetramethyl-4-hydroxylpiperidine-oxyl and some phenols and quinones on the AIBN initiated radical polymerization of styrene was studied by using dilatomitry method.

用膨胀计法，研究了2，2，6，6-四甲基-4-羟基哌啶氧自由基及一些醌、酚类化合物对偶氮二异丁腈引发的苯乙烯自由基聚合的阻聚效应。结果表明，当 St在80℃聚合时，加入TMHPO·或TMHPO·-BQ，阻聚效果较为显著。

Acer-production company to operate the various rubber products (conductive silicon rubber, PORON aging anti-skid rubber; natural rubber, styrene butadiene rubber and synthetic rubber, etc.); color EVA; highly flexible foam to force胶制品; various colors and high-density sea Cotton products (cotton fire; enhanced filter cotton; compressed cotton; anti-static cotton; PVC cotton; noise cotton; suction Mexican cotton; Zhenzhu Mian, etc.), various colors and shapes with Beijiao velvet, velvet paper, cloth, paper Park, Dust network, EPE anti-static protection of film, Pakistani products faster, double-alone desktop products and various special stickers heat conductive materials.

光宏公司经营生产各种橡胶制品（导电硅橡胶，PORON防滑老化橡胶；天然橡胶；丁苯橡胶和合成橡胶等）；颜色EVA；高发泡高弹性回力胶制品；各种颜色和高密度海棉制品（防火棉；强化滤棉；压缩棉；防静电棉；PVC棉；隔音棉；吸墨棉；珍珠棉等），各种颜色和形状带背胶绒布，绒纸，不织布，纸朴，防尘网，EPE防静电保护膜，快巴制品，双、单桌面胶贴特殊制品和各种导电散热材料等。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。