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In this paper, acetanilide used as start material was chlorosulfonated, then reacted with alkylamines with different length of carbon chain to prepare 4 p-acetylaminophenylsulfonylalkylamine.

本文以乙酰苯胺为起始原料,经氯磺化后分别和不同碳链的正烷基胺反应制得4种不同碳链长度的对乙酰氨基苯磺酰烷基胺,将其水解后制得了对氨基苯磺酰正丁胺、对氨基苯磺酰正辛胺、对氨基苯磺酰正十二胺和对氨基苯磺酰正十八胺。

For the advantages of mild reaction conditions,DDC condensation method and acyl chloride esterification method are much more popular.

由于具有反应条件温和的优点,二环己基碳二亚胺脱水缩合法和酰氯酯化法是目前国内外最常用的两种方法。

The broth dilution method was used to determine MICs of fluoroquinolones against the QnrS-positive isolates. The accumulation of ciprofloxacin and the effect of efflux pump inhibitor, carbonyl cyanide m-chlorophenyl hydrazone for tested isolates of E.coli were measured by a fluorescenece method.

采用肉汤微量稀释法测定QnrS阳性株对氟喹诺酮类药物的MIC,荧光测定法检测盐酸环丙沙星在QnrS阳性株体内浓度的变化及能量抑制剂碳酰氰间氯苯腙对菌体内药物蓄积的影响。

By using the a device being similar to water segregator and by controlling the temperature, cyclization of the intermediate product in chloroform reduced carbonization and gave 2-dodecaneanthraquinane in 68.1% yielding.

以十二烷基苯和苯酐为起始原料,经酰基化、关环和磺化三步反应合成了3-十二烷基蒽醌磺酸;并进一步改进和优化了合成工艺条件:即在催化剂三氯化铝过量50%并有三乙胺存在的条件下,中间体2-(4-十二烷基苯甲酰基)苯甲酸收率为72.45%;关环反应采用氯仿作溶剂,利用类似分水器的装置有效控制反应温度以减少碳化,2-十二烷基蒽醌的收率为68.1%。

The specific heat capacity of carbohydrazide perchloric acid energetic coordination compounds was studied by differential scanning calorimetry.

用差示扫描量热仪研究了高氯酸碳酰肼类配合物的比热容。

Using p-xylene, different acyl chloride and alkylogen, six kinds of isomers were synthesized, with similar structure, carbons of same quantity, and the position of alkylaryl dissimilarity.

本文利用对二甲苯、不同碳数直链酰氯以及卤代烷合成出6种结构相似、长链烷烃碳数为12、芳基在烷烃链不同位置的烷基苯磺酸盐类表面活性剂。

With land area of 2,800M2 and completed quality supervision test instrument, its annual sales amount reaches 30,000,000 RMB. Its main products, Succinimide,butanimide,2.5-diketopyrrolidine;N-bromobutanimide or N-bromosuccinimide;N- chlorosuccinimide (N-chlorobutanimide);Bromoacetonitrile,Bromomethyl cyanide; Quinoline;P-Bromophenol;4-Bromophenol;N.N'- dicyclohexylcarbodiimide;S-3-Hydroxy-γ-Butyrolactone;2.3-Dihydrofuran;Ammonia water, Ammonium hydroxide; sell well in the US, South Korea, Europe and other countries and are praised highly by all clients.

占地面积2800M2,年销售额3000万元,公司拥有完备的质量监测检验仪器和手段,主要产品有:琥珀酰亚胺、N-溴代琥珀酰亚胺、N-氯代琥珀酰亚胺、溴乙晴、喹啉(95%)、喹啉( 98%)、对溴苯酚、N.N'-二环已基碳化二亚胺、s-3-羟基-γ-丁内酯、2.3-二氢呋喃、氨水、氢氧化胺,产品远销美国、韩国、欧洲等国家和地区,深受用户青睐。

Chlorine atoms were selectively introduced into the chlorin ring based on different reactivity between vinyl group at 3-position and 20-meso position by electrophilic addition and electrophilic substitution using hydrogen peroxide/hydrochloric acid, N-chlorosuccinimide, hydrogen chloride (or concentrated hydrochloric acid) as chlorinating reagent.

以过氧化氢/盐酸、N-氯代丁二酰亚胺、氯化氢为氯化剂,根据3-乙烯基和20-meso-位的不同化学反应活性,通过亲电加成和亲电取代反应,在二氢卟吩环上选择性地引进氯原子,完成8种未见报道的具有叶绿素-a基本碳架的氯代二氢卟吩衍生物的合成。

Hazardous decomposition products : Oxides of carbon, chlorine, hydrogen chloride, possible trace amounts of carbonyl chloride, unidentified organic compounds.

(碳氧化物、氯、氯化氢、散发出微量羰酰氯,其他的有机化合物。

Peptides are traditionally synthesized in liquid phase, such methods are DCC, mixed anhydrides, acyl chloride and azide etc., which provide more choices for peptides synthesis.

传统的肽类合成多采用液相化学合成,常用的包括碳二亚胺法,混合酸酐法、酰氯法、叠氮物法等等,为多肽的合成提供了多种选择。

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But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。