化学(高分子)专业词汇 第6课
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- 释义:
- n. 戊烷基(季戊炸药)
- 例句:
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The active ingredient of α - pyrone 0.2 % wettable powder is 5,6 - dihydro - 6 - pentyl - 2 H - pyran - 2 - one.
0.2%α - 吡喃酮WP的 有效成分为5, 6- 二氢-6-戊基-2H-吡喃 -2- 酮(5, 6-dihydro-6-pentyl-2H-pyran-2-one ). 换一句 -
Methyl dihydrojasmonate was synthesized from 2 pentyl 2 cyclopentanone and methyl malonate by condensation and decarboxylation.
2-戊基环戊烯酮再与丙二酸二甲酯缩合,脱羧得到二氢茉莉酮酸甲酯. 换一句
您还可以临摹下单词:
pentyl
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- 释义:
- n. 黝分, 石碳酸
- 例句:
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It is insoluble in carbon disulphide, soluble in hot aniline and phenol.
它不溶于二硫化碳, 溶于热苯胺和苯酚. 换一句 -
A new method of synthesis of Vanillin from 2 methoxy 4 methyl phenol was studied.
研究了4甲基愈创木酚一步氧化法合成香兰素的新工艺. 换一句 -
Nail polish contains toxic products like toluene, phenol and xylene.
指甲油中含有有毒物质如甲苯, 苯酚,二甲苯. 换一句
您还可以临摹下单词:
phenol
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- 释义:
- n.已烷
- 例句:
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The SEP - PAK is elated with hexane - ether 0.95 : 0.05 , hexane - ether 1 : 1, and isopropanol Successively.
柱子依次用已烷 — 乙醚0.95:0.05 、 已烷 — 乙醚1:1及异丙醇洗脱. 换一句 -
The petroleum hydrocarbon is called hexane.
己烷是一种石油碳氢化合物. 换一句 -
The sceond hexane wash may be decanted off and the wet solid screened.
第二次的乙烷洗液可以除掉,湿的固体进行过筛. 换一句
您还可以临摹下单词:
hexane
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- 释义:
- n. 均聚物
- 例句:
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White powdered homopolymer resin produced through suspension polymerization ( medium degree of polymerization ) .
以悬浮聚合方式制造的单聚合物树脂,是白色粉状的中 聚合度 产品,消光效果优良. 换一句 -
The homopolymer and the copolymer of acrylic acid and acrylamide is very useful and important.
丙烯酸、丙烯酰胺的均聚物和共聚物用途广泛,是一类非常重要的高分子化合物. 换一句 -
The resin may be a homopolymer, a copolymer or a blend of two or more resins.
树脂可以是均聚物, 共聚物或一两个或两个以上的树脂混合. 换一句
您还可以临摹下单词:
homopolymer
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- 释义:
- adj. 亲水性的
- 例句:
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Both swelling ratio and abrasion ratio are evaluated for the optimum formulation of the hydrophilic binder.
隆起的比和磨灭比被为亲水性的缚者最适宜形成评估. 换一句 -
The invention also simultaneously discloses the hydrophilic medicine controlled - release microspheres formulation.
本发明还同时公开了按照上述方法制备而得的亲水性药物缓释微球制剂. 换一句 -
The hydrophilic modification of PVDF microporous membrane is introduced briefly.
同时简单介绍了PVDF微孔膜的亲水性改性. 换一句
您还可以临摹下单词:
hydrophilic
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- 释义:
- vt.使分支;使分叉;用枝形叶脉刺绣花纹装饰
vi.分支形成;分支扩张;扩大某人的兴趣,业务或活动范围;[计]下分支的指令
n.树枝;分支;部门,分科;支流
- 例句:
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Management is holding out an olive branch to the strikers.
资方向罢工者伸出了橄榄枝。 换一句 -
He struck off the branch with a single chop of the ax.
他一斧子就砍掉了那根树枝。 换一句 -
The arrival of after PC age make embedded technology becoming one important branch of computer technology.
后PC时代的到来,使嵌入式技术逐渐成为计算机技术发展的一个重要分支. 换一句
您还可以临摹下单词:
branch
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- 释义:
- n.丁烷
- 例句:
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The main component in 4 # solvent is liquefied butane.
四 号 溶剂主要成分为液化丁烷. 换一句 -
Butane and butylenes has the same characteristic with propane and propylene.
丁烯与丁烷表现出与丙烯、丙烷相似的特性. 换一句 -
The butane conversion of catalyst aged in different pH has similar value.
在不同pH值老化的催化剂先驱体,经活化后对丁烷的转化率基本相同. 换一句
您还可以临摹下单词:
butane
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- 释义:
- n. 丁醇
- 例句:
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The first step on the road has been butanol.
在寻找新燃料的路上迈出的第一步便是丁醇. 换一句 -
CTC maximum head is suitable for pump discharge to Butanol handling facility.
用户确认泵出口去丁醇处理装置的最大扬程是合适的. 换一句 -
In the epoxidation, chloroform and t butanol gave the best results.
在环己烯环氧化反应中, 以氯仿和叔丁醇为溶剂时,环氧化反应的结果最好. 换一句
您还可以临摹下单词:
butanol
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- 释义:
- n. 丁烯
- 例句:
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Duplication of bands in this region is also shown by trifluoropropyne and perfluoro 2 - butene.
三氟丙炔和全氟丁烯 -2 在这个区域也出现双重谱带. 换一句 -
Duplication of bands in this region also shown by trifluoropropyne and perfluoro 2 - butene.
三氟丙炔和全氟丁烯 -2 在这个区域也出现双重谱带. 换一句 -
The mass fraction of n - butene in mixed C 4 from catalytic cracking after etherized was approximately 40 %.
醚化后的催化裂化混合C4中含有质量分数约为40%的正丁烯,是生产丙烯的优质原料. 换一句
您还可以临摹下单词:
butene
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- 释义:
- adj. 丁基的
n. 丁基,丁基合成橡胶
- 例句:
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With di - iso - butyl dimethoxy DIBS, DQ catalyst was more sensitive to hydrogen regulation.
使用二异丁基-二甲氧基硅烷, DQ催化剂的氢调敏感性更好. 换一句 -
ObjectiveTo a method for determining 3 - butyl phthalide in Celery Seed by HPLC.
目的高效液相色谱(HPLC)法测定芹菜籽中 3- 正丁基苯酞的含量. 换一句 -
Tri - n - butyl tin hydride is, a univenal organotin reagent in organic synthesis.
三(正)丁基氢化锡是有机合成中常用的有机锡试剂. 换一句
您还可以临摹下单词:
butyl
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- 释义:
- n.催化剂,造成变化的人或事
- 构词:
- cata下+lys裂开,分解+t→分解下去→催化[剂]
- 例句:
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I see my role as being a catalyst for change.
我认为我的角色是促成变革。 换一句 -
The workers'demand for better conditions was a catalyst for social change.
工人们要求改善工作条件促进了社会变革. 换一句 -
A catalyst is a substance which speeds up a chemical reaction.
催化剂是一种能加速化学反应的物质. 换一句
您还可以临摹下单词:
catalyst
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- 释义:
- adj. 阳离子的
- 例句:
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The number of cationic bromine and chlorine compounds is restricted.
溴、氯阳离子化合物的数量受局限. 换一句 -
Some of the cationic proteins are bactericidal.
一些阳离子蛋白质是能杀菌的. 换一句 -
Research progress on the cationic polymerization of polyacrylamide is reviewed.
叙述了阳离子聚丙烯酰胺聚合工艺的研究进展. 换一句
您还可以临摹下单词:
cationic
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