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 preparation method comprises the following steps in sequence:(1) metric acetonitrile is added into a dual-bottleneck distilling flask that is provided with a refluxing and condensing tube, and simultaneously, long-chain dialkyl methyl tertiary amine and relevant saturated dihalide are added thereof;(2) nitrogen is pumped for 10 to 20 minutes for deoxidizing;(3) a magnetic mixing reaction is carried through for 10 to 15 hours under the condition of 78 to 83 DEG C.
其制备方法依次包括以下步骤:(1)在装有回流冷凝管的二颈蒸流烧瓶中,加入计量的乙腈,同时按一定比例加入二长链烷基甲基叔胺与相应的二卤代烷;(2)通氮气10-20分钟,排除氧气;(3)在78-83℃条件下磁力搅拌反应10~15h。
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Disculfiram was synthesized from diethyl amine ,carbon disulfide and hydrogen peroxide,and the reaction condition was studied.
以二乙胺、二硫化碳、双氧水为原料,在硫酸的中和作用下合成戒酒硫,研究了各反应条件的影响。
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Dyeing properties of wool fiber pretreated with diethyl amine can be improved and the wool fiber can be dyed in low temperature.
用二乙胺预处理羊毛,可以改善羊毛的染色性能,达到低温染色的目的,文章主要讨论了二乙胺预处理羊毛的工艺,对预处理后羊毛的染色性能等也进行了研究。
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An anionic phenol-formaldehyde resin which synthesized by phenol, formaldehyde and some amine compound such as diethylamine, triethylamine and diethylene triamine was studied in this paper, and this modified phenol-formaldehyde resin was used in papermaking as an intensifier.
本文通过苯酚、甲醛与胺类化合物(二乙胺、三乙胺、二乙烯三胺)反应,得到阴离子性的酚醛树脂,并研究了将改性的酚醛树脂作为造纸增强剂应用在抄纸过程中。
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And to make the product be easy of purification, the excess of amine was reduced to 50% from 150%. Then the diiodoalkane reacted with dialkylmethylamine into diquaternary ammonium iodide, and obtained three diquaternary compounds whose spacer groups were -(CH2)6-, N,N"-dimethyl- N,N,N",N"-tetraoctyl-1,6-hexane diammonium diiodide, N,N"-dimethyl-N,N,N",N"-tetradecyl-1,6-hexane diammonium diiodide, N,N"-dimethyl-N,N,N",N-tetradodecyl -1,6-hexane diammonium diiodide.
对于更长间隔链的双子型季铵盐,一方面为了加快亲核取代反应速率,先将1,6-二氯己烷、3-氧杂-1,5-二氯戊烷转化成1,6-二碘己烷、3-氧杂-1,5-二碘戊烷,另一方面为了降低产物提纯的难度,将叔胺的过量由150%降到50%,使二碘代烷与双长烷基甲基叔胺在相同的温度下、反应相同的时间,经过相同的后处理,得到3个间隔链为-(CH2)6-的双子型季铵碘化物,(C8H17)2N+(CH3)(CH2)6 (CH3)N+(C8H17)2·2I-、(C10H21)2N+(CH3)(CH2)6(CH3)N+(C10H21)2·2I-和(C12H25)2N+(CH3)(CH2)6(CH3)N+(C12H25)2·2I-。
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It's found that the aromatic dinitro compounds can be monoreduced to nitroanilines in high selectivity, aromatic nitro compounds and muti-cycle aromatic nitro compounds can be quantitively reduced to the corresponding amine by selenium catalyst with CO/H2O in polar aprotic solvents under atmospheric pressure using medical inorganic bases as co-catalysts.
在实验的基础上提出了对硒催化CO/H_2O还原芳香硝基化合物机理的一些粗浅认识。
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A bis-imdazoline corrosion inhibitor JUC was synthesized by reacting with divinyl three amine,and its quaternary ammonium JUCI was also synthesized for corrosion inhibition in acids.
以己二酸、二乙烯三胺为原料合成了双环咪唑啉缓蚀剂JUC,并对其季铵化后得到了适于酸化用的双环咪唑啉季铵盐缓蚀剂JUCI;采用静态挂片失重法对合成的缓蚀剂在酸化条件下的缓蚀性能及与非离子表面活性剂SA-1复配后的缓蚀性能进行了评价研究。
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Using 2-bromo-ethanesulfonic acid sodium salt ,α,ω- binary primary amine and dodecanoic acid as the main raw materials, drawing support from two-step synthesis of experiments—Alkylated reaction and Schotten-Baumann acylation, A series of LAS(12-s-12) gemini surfactants were synthesized.
并以2-溴乙基磺酸钠、α,ω-二元伯胺、月桂酸等为主要原料,借助胺基的烷基化和Schotten-Baumann酰基化反应制备了α,ω-烷撑-双钠盐LAS(12-s-12)表面活性剂,联结基团为亚甲基—(CH2)s—(S=2,4,6,8,12),取得以下进展
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By systemic studies in the lab, the optimal technical and operational conditions had been determined as follows: the dosage of duodenary amine of 100 g/t. the pressure of circulating pulp of 0.045 MPa, the concentration of pulp of 43%, the floatation time of 7-8 min.
通过在实验室浮选柱系统上的试验,优化确定了如下工艺和操作参数:十二胺药剂用量100g/t,循环矿浆压力0.045 MPa,矿桨浓度43%,浮选时间7~8 min。
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The results show that:(1) When Cu〓 equatorially coordinated by four nitrogen atoms from amine ligands such as ethylenediamine, N-methylethylenediamine, 1, 2-diaminopropane and 1, 4, 8, 11-tetraazacyclotetradecane, etc., Cu〓 could be axially coordinated by oxygen atoms of-SO〓 group.
研究结果表明:(1)当Cu〓在赤道平面与来自胺配体(如乙二胺、N-甲基乙二胺、1,2-丙二胺和1,4,8,11-四氮杂环十四癸烷等)的四个氮原子配位后,在轴向则可以与来自磺酸根离子的-SO〓基团氧原子配位。
- 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。