查询词典 toluene
- 与 toluene 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
Under high dilution,the cross-coupling reactions of 4,5-dicyano-1,3-dithiol-2-one(6) and dithia crown-ether annulated tetrathiafulvalenes(3a~3c) in toluene gave asymmetrical dicyano tetrathiafulvalene derivatives(7a~7c) in the presence of triethyl phosphite.The compounds 7a~7c were characterized by(~1HNMR,EA,MS and IR.
在甲苯溶液中,在亚磷酸三乙酯存在下,采取高度稀释的方法,使4,5-二氰基-1,3-二硫杂环戊二烯-2-酮分别和多缩硫杂冠醚进行交叉偶联反应,成功地得到了不对称的2,3-二氰基四硫富瓦烯衍生物。
-
Polyurethane hybrid emulsion modified by caster oil and arylate was synthesized with toluene diisocyanate, polycaprolactone glycol (PCL22ON), castor oil, and methyl methacrylate.
以聚醚多元醇(N22O)、甲苯二异氰酸酯(TDI-80)、蓖麻油(C.0)、甲基丙烯酸甲酯为主要原料,合成了蓖麻油改性的水性聚氨酯复合乳液。
-
The material balance of technology and one hundred thousandtone stages is accomplished, laying a foundation for industrial experiments of bisphenol A ofpolycarbon-stage with HPA method. The characteristics of the process are shown as follows. Thefirst, using reaction distillation technology to make water and toluene to reach azeotropy andremove them promptly, the reaction rate is increased.
绘制了带控制点的流程图,建立了流程优化模拟计算的数学模型并编制了计算机程序,通过输入工艺设计要求,应用该程序很快就可以完成整个流程的模拟计算,应用该程序也可进行整个流程的优化设计计算。
-
The procedure of benzal chloride and benzylchloride was obtained by chlorination toluene, then through catalytic acidic hydrolysis and oxidation, produced benzaldehyde.
本文研究了甲苯氯化得到苄叉二氯和氯化苄混合物,然后经催化酸解氧化制备苯甲醛,并探讨了氯化催化酸解及氧化的反应条件。
-
It is manufactured through kneading, cold pressing and post-treatment; and the materials for the synthetic brake shoe include butadiene-acrylonitrile rubber, phenolic resin, graphite, iron powder, barium sulfate, potash feldspar powder, composite fiber, sulfur, hexamethine tertramine, polymethylene aniline, 2-mercaptan benzothiazole, zinc oxide and toluene.
同时本发明的提供了采用捏合、冷压、后处理工艺来制造新型高摩擦系数合成闸瓦。组成新型高摩擦系数合成闸瓦的各组分重量百分比如下:丁腈橡胶为6.20%,酚醛树脂为10.00%,石墨为15.00%,铁粉为11.03%,硫酸钡为30.00%,钾长石粉为5.00%,复合纤维为20.20%,硫磺为1.00%,六次甲基四胺为1.00%,聚亚甲基聚苯胺0.12%,2-硫醇基苯并噻唑0.15%,氧化锌0.30%,甲苯8.0%。
-
Zirconia loaded with tungsten oxide has been reported to be an efficient solid catalyst at relatively low temperatures in the skeletal isomerization of alkane or benzoylation of toluene, which are usually catalyzed by strong acids.
中文摘要文献上钨锆氧化物可以在低温的反应条件之下,对於烷类的异构化反应扮演有效的固体酸的角色。然而,钨锆氧化物其本身的比表面积通常只有50 m2/g。
-
Microcalorimetric measurements of NH~3 adsorption on catalysts reveal that the remarkable strong acidity and catalytic activity of the Al- promoted catalysts are caused by a change of distribution of acid site strengths and an enhancement in the number of strong and intermediate-strong acid sites effective for the n-butane isomerization and benzoylation of toluene.
NH~3吸附微量热结果表明,Al促进样品的强酸性和催化活性的显著提高是由于样品表面的酸位强度分布发生了变化,有利于正丁烷异构化反应和苯甲酰化反应的中强酸位和强酸位的酸量显著增加。
-
Experimental results show that the incorporation appropriate amount of Al into SO〓〓/ZrO〓, SO〓〓/TiO〓 and SO〓〓/Fe〓O〓 is helpful to stabilize the sulfur species on catalyst surfaces and to improve the superacidity and catalytic activity for benzoylation of toluene with benzoyl chloride.
实验表明,向SO〓〓/ZrO〓、SO〓〓/TiO〓和SO〓〓/Fe〓O〓中引入适量的Al〓O〓,有助于稳定样品表面的硫物种,提高样品的超强酸性和对甲苯的苯甲酰化反应活性。
-
UV and SMPE-GC-MS results confirmed that radical-oxidation and hightemperature pyrogenation controlled the sonochemical-oxidation of toluene, and mainmiddle-products included benzaldehyde, bibenzyl, dibutyl phthalate, et al., final products werecarbon dioxide and water. The reactive violet K-3R was chosen as a model compound to study the effect ofsonoelectrochemical degradation of nonvolatile pollutant.
以超声与电化学作用处理活性紫K-3R水样,二者协同效应明显,5V槽电压时60min K-3R脱色效率要比纯电场作用时高57.8%,纯超声场对活性紫基本无显著的降解作用,初始浓度、pH对超声电化学协同降解影响较大,实验建立了活性紫降解的动力学模型,经超声电化学处理后,K-3R共轭发色体系已基本被破坏,但溶液中仍有苯环等产物。
-
However,when increasing x_(12) in the range of larger than 1,the change tendency of the binodal curve position is also affected by the values of x_(13) and x_(23).(3) The ternary phase diagrams of ScCO_2/acetone/CA,ScCO_2/toluene/PSt and ScCO_2/solvent/PVB systems are calculated using the thermodynamic model.
当x_(12)在小于1的范围内变化时,随着x_(12)的增大,均相区增大;然而当x_(12)的数值跨越了该分界点在大于1的范围内变化时,随着x_(12)的增大,双节线位置的改变将受到x_(13)、x_(23)具体数值的影响,从而不再沿单一方向迁移。
- 推荐网络例句
-
Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.
最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势,并设计了一款彩色夜视摄像机。
-
Only person height weeds and the fierce looks stone idles were there.
只有半人深的荒草和龇牙咧嘴的神像。
-
This dramatic range, steeper than the Himalayas, is the upturned rim of the eastern edge of Tibet, a plateau that has risen to 5 km in response to the slow but un stoppable collision of India with Asia that began about 55 million years ago and which continues unabated today.
这一引人注目的地域范围,比喜马拉雅山更加陡峭,是处于西藏东部边缘的朝上翻的边框地带。响应启始于约5500万年前的、缓慢的但却不可阻挡的印度与亚洲地壳板块碰撞,高原已上升至五千米,这种碰撞持续至今,毫无衰退。