查询词典 patho-amine
- 与 patho-amine 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The method is characterized in that: mixture of macromolecular dihydric alcohol and a dihydroxybutyl-terminated polydimethylsiloxane is dehydrated, added with diisocyanate for reaction, then added with a bis propionic acid, a dihydric alcohol chain extender and a catalyst - dibutyl tin laurate, and is diluted by acrylic ester; temperature reduction and emulsion are performed on the mixture after reaction; chain extension reaction is performed in water by a multi-amine chain extender, and siloxane modified polyurethane dispersoid which contains acrylic ester monomer is prepared; and an initiator - potassium persulphate is added into the siloxane modified polyurethane dispersoid for emulsion polymerization.
特征是先将大分子二元醇与二端羟丁基聚二甲基硅氧烷的混合液脱水后加入二异氰酸酯,反应后加入二羟甲基丙酸、二元醇扩链剂和催化剂二月桂酸二丁基锡,并用丙烯酸酯进行稀释,反应后降温乳化,用多元胺扩链剂在水中进行扩链反应,得到含有丙烯酸酯单体的硅氧烷改性聚氨酯分散体,然后再通过加入引发剂过硫酸钾进行乳液聚合。
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The influence of each condition on the reaction speed and yield was studied, and the optimal conditions were: the ratio of the amount of substance of aromatic amine and heptafluoro-isopropyl iodine was 1:1.1~1.5, the amount of substance of sodium dithionite, sodium bicarbonate, aniline compounds were respectively 1.1~1.3, the amount of substance of phase transfer catalyst TBAB and aniline compounds was 0.05~0.1, the concentration of aniline compound was 0.5~1.0 mol/L, reaction temperature was 10~20 ℃, and the solvent was aether.
最佳结果为:芳胺与七氟异丙基碘的物质的量比1:1.1~1.5,连二亚硫酸钠、碳酸氢钠与苯胺的物质的量分别为1.1~1.3,相转移催化剂四丁基溴化铵与苯胺的物质的量比在0.05~0.1,溶剂总用量使苯胺浓度在0.5~1.0 mol/L;反应温度10~20℃;溶剂采用乙醚。取代基供电子性越强,反应时间越短,产率越高;氨基的对位优先反应,氨基的邻位较难发生反应;且七氟异丙基总是优先取代在芳环电子云密度较高的位置上。
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Vulcanization thing in sulphur natural gas, take off to exclude, Make organic sulfur content and the vulcanization hydrogen of the natural gas of raw material accord with relevant technical index requirement , satisfy production needs,Today of the chemical swift development of natural gas the desulphurization method of natural gas also emerge endlessly , In traditional a ethanol amine the foundation of wet desulphurization and the dry law desulphurization of zinc oxide on, have arisen the desulphurization of normal temperature of ferric oxide, the dry law desulphurization of activated carbon and member sift desulphurization, DDS biochemical wet desulphurization wait for new technology .
硫的存在造成合成氨工艺中催化剂中毒,因此需将含硫天然气中的硫化氢、有机硫等硫化物脱除,使产品天然气的硫化氢和有机硫含量符合有关技术指标要求,满足生产需要。在天然气化工迅猛发展的今天,天然气脱硫方法也层出不穷。在传统一已醇胺湿法脱硫,氧化锌干法脱硫的基础上,出现了常温氧化铁脱硫,活性炭干法脱硫,分子筛脱硫,DDS生化湿法脱硫等新技术。
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Mesoporous zincum sulfide is synthesized by room-temperature method and hydrothermal technique, employing the surfactant cetyltrimethyl ammonium bromide, duodecimal alkyl sulfonic natrium and lauryl amine as templates. All kinds of technic parameters' influence to the synthesis has been systematically discussed, and the extracting of templates have been investigated.
本论文以十六烷基三甲基溴化铵、十二烷基磺酸钠及十二胺为模板,采用水热法和室温法合成了介孔硫化锌,系统探讨了各种工艺参数对合成材料结构特征的影响。
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This is the firstexample of the separation of enantiomorph of simple organic amine molecules.
关于手性化合物的合成与拆分对化学研究者一直是一个挑战。
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The method uses groovy histology and immunity to organize chemical technology, observation mars agent 6- hydroxide via celiac inject sympathetic much cling to small rat small intestine is epithelial after amine the amount of endolymph cell, cup shape cell, IgA+ oar cell, corpulent cell distributings change.
概要: 目的探究交感神经对肠道黏膜屏障的调节功能。方法采用常规组织学和免疫组织化学技术,观察经腹腔注射交感神经损毁剂6-羟多巴胺后小鼠小肠上皮内淋巴细胞、杯状细胞、IgA+浆细胞、肥大细胞的数量分布变化。
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Is introduced in this paper,which refers to the enol compound s are as accelerator for anaerobic adhesive,and the comparison between this novel accelerator and conventional ones (substituted hydrazine,amine and saccharin) is carried out.
本文是一篇中国专利(专利申请号:200610034451.2)内容的简介,此专利内容是涉及用烯醇类化合物作为厌氧胶的促进剂,并与现代厌氧胶产品中惯用的促进剂代表性组成进行比较。
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Experimental research on the desulfurization of flue gas simulated with 0.3 mol/L amine solutions prepared with ethanolamine, ethylenediamine and so on.
以醇胺和乙二胺为原料,配制0.3 mol/L的水溶液,用于实验室模拟烟气脱硫的研究。
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Firstly, the petroleum ether extract was examined by GC-MS. The result shows that there are over twenty ingredients in it, almost of which are hydrocarbon while a few are ketone, hydroxybenzene, and amine etc.
首先对石油醚的提取物进行了GC-MS检测,检测结果发现其中有二十多种成分,其中多数为烃类,也还含有少量的酮、酚、胺等化合物。
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Using ethylamine as a preswelling agent, a detailed study of the effect of solvent, amount of amine added, reaction time has been carried out. Among these the dielectric constant of the solvent has been found to be the most important factor.
以乙胺为预撑剂,详细考察了溶剂、胺的加入量、反应时间等因素的影响,发现溶剂的介电常数是影响这类晶体剥离和嵌入的最重要的因素。
- 推荐网络例句
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The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.
论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。
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I have not really liked him,I do not like his this kind of disposition.
我没有真的喜欢他,我不喜欢他的这种性格。
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As we know the price of traditional product is composed of the cost and the profit of the company involving market competition, monopolizes and many other factors.
我们知道作为传统的商品,定价的模式往往是在成本的基础上增加厂商的预计利润而形成其价格,当然也要考虑到市场竞争、垄断等其他方面的因素。