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sulfur chloride相关的网络例句

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与 sulfur chloride 相关的网络例句 [注:此内容来源于网络,仅供参考]

Cuprous chloride is widely used in organic synthetic industry.

氯化亚铜有着广泛的用途。

The polymerization of 4,4'-biphenyldicarbonitrilecatalyzed by cuprous chloride was studied.

此外,也研究了以锌和几种不同Lewis酸为催化剂时苯甲腈的聚合反应。

Two synthetic routes of Caffeine have been determined and investigated after the analyzing and trying for the literal synthetic methods. In one route, the target compound was prepared from chloroacetyl chloride through six steps, the total yield is 50.5 %. In another route, the target compound was obtained from cyanoacetic acid through six steps, the total yield is 45%.

对目前咖啡因工业生产工艺进行了研究,并分析了咖啡因工业生产中所存在的问题,本文提出两条可行的工业化合成路线:一条是以氯乙酰氯为起始原料,经过六步反应制得目标化合物,总收率50.5%;另一条是以氰基乙酸为起始原料经过六步反应制得目标化合物,总收率45%。

The hydrolysis reaction was carried out in water or acetone/water system in the temperature range of 10℃ to 30℃. The progress of hydrolysis of cyanuric chloride was monitored at different temperatures and various pH.

在10~30℃及pH1~9的范围内,在水或丙酮/水体系中分别测定了三聚氯氰的浓度随时间的变化。

Cyclohexyl acetate was synthesized by oil of vitriol,ferric chloride and copper sulfate,respectively,and the influence of copper sulfate containing water and no-water for the reaction was discussed.

摘 要:分别以浓硫酸、氯化铁、硫酸铜为催化剂催化合成醋酸环己酯,考察了有无结晶水的硫酸铜对酯化反应的影响。

The anion of cyclopentadiene rapidly decomposes in air, and iron chloride although reasonable stable in

环茂二烯阴离子在空气中会迅速分解,虽然氯化亚铁在固态时还算稳定,但是它在溶液中很容易被氧化

Dihydro-5H-cyclopentanopyridine, a key intermediate of Cefpirome, was synthesized from cyclopentanone and propargylamine under autoclave prompted by copper chloride.

以环戊酮和丙炔胺为原料,在高压釜中用氯化亚铜催化合成头孢匹罗关键中间体6,7-二氢-5H-环戊烷并吡啶。

Synthesis of Antidote of N-Dichloroacetyl-2-methyl-1-oxa-4-aza-spiro-4.4-nonane BI Hong-mei, ZHANG Jin-yan, LIANG Ying, SHEN Yong (College of Arts and Sciences Heilongjiang August First Reclamation University, Daqing 163319, Heilongjiang, China) Abstract: N-Dichloroacetyl-2-methyl-1-oxa-4-aza-spiro-4.4-nonane was synthesized by one pot method with isopropanolamine, cyclopentanone and dichloroacetyl chloride. The optimum reaction conditions obtained are as follows:the proportion in moles of the above materials is 1∶1∶1.2, reaction solvent is toluene, reaction temperature is -15 to -10 ℃,reaction time is 3 h, under the optimum condition, the yield of the compound is 50.0%.

除草剂解毒剂N-二氯乙酰基-2-甲基-1-氧杂-4-氮杂-螺[4.4]壬烷的合成毕洪梅,张金艳,梁英,沈勇(黑龙江八一农垦大学文理学院,黑龙江大庆 163319)摘要:以33%的氢氧化钠水溶液为缚酸剂,异丙醇胺、环戊酮和二氯乙酰氯为原料,采用&一锅法&合成了N-二氯乙酰基-2-甲基-1-氧杂-4-氮杂-螺[4.4]壬烷,采用正交实验法得到最佳反应条件:反应原料摩尔比为1∶1∶1.2,苯作溶剂,反应的温度为-15 ℃~-10 ℃,搅拌时间为3 h,产率达到50.0%。

Avene THERMAL SPRING WATER,CYCLOMETHICONE,DECYL OLEATE,OCTYL SILYLATED TITANIUM DIOXIDE,GLYCERIN,C12-15 ALKYL BENZOATE,ZINC OXIDE,SODIUM CHLORIDE,DIMETHICONE COPOLYOL,GLYCERYL STEARATE,PETROLATUM,BUTYLPARABEN,CAPRYLIC/CAPRIC TRIGLYCERIDE,DISODIUM EDTA,ETHYLPARABEN,IRON OXIDES(CI 77491/CI 77492),METHYLPARABEN,MINERAL OIL,OCTYLDODECANOL o-CYMEN-5-OL,ORANGE OIL,OZODERITE,PEG-30 DIPOLYHYDROXYSTEARATE,PHENOXYETHANOL,PPG-3 MYRISTYL ETHER,PROPYLPARABEN,QUATERNIUM-18 HECTORITE,ROSEMARY OIL,SILICA DIMETHYL SILYLATE,SODIUM MYRISTOYL GLUTAMATE,TITANIUM DIOXIDE(CI 77891),TOCOPHERYL ACETATE,XANTHAN GUM

成分虽然复杂,但活性物质并不是很多,纯物理防晒,UVA/UVB都有比较完全的防护;其他多为合成酯、硬脂酸、矿物油乳化剂类成分,最后有一点植物精油;诉求就是温和防护,整体比较厚重,而且有物理防晒的通病泛白;针对敏感类皮肤成分多了点,除了防晒无其他功效,保湿性一般。

First 27 rabbits of the experimental group were destabilizated by operated on L6、7.Inj Diazepam 0.25 mg/kg,Inj Ketamine 0.02 g/kg and Inj Atropine 0.125 mg/kg was one by one injected into the rabbit through the auris vein,shearing the rabbit hair of backside waist,fixing the rabbit on operation table in face lying,using 1% Povidone Ioding to degerm the operation area.Every rabbit was incised at the backside of its waist,that incisal opening is located in the center of the intervertebral space (L6、7 space) that both side iliac crest line correspond ,from the meso-ordinate direction cut about 4 cm incision,cutting open skin and subcutaneous tissue,thoroughly ,exposing the spinous processes the vertebral plates and the upper-inferior articular processes,entirely segregating the muscles that cohere the spinous processes the vertebral plates and the articluar process,then excising the supraspinal ligaments and interspinal ligaments,biting off two sides the inferior articular processes of L6,in order that resulting in intervertebral destabilization,using 0.9% Inj.Sodium Chloride to washout the incisal opening,in order sewing up each layer tissues.

方法] 取48只6个月龄日本大耳白兔,雌雄不限,体重为(2.5±0.2) kg,随机进行分组,分为对照组和实验组,对照组为21只;实验组为27只;先将实验组兔腰背部皮毛剪除,用安定注射液1.25 mg/kg、氯胺酮0.02 g/kg、阿托品0.125 mg/kg顺次耳缘静脉注射麻醉后,俯卧固定于手术台上,用1%碘伏消毒手术区域,以髂嵴平对椎间隙(即L6、7)为中心,从正中取一长约4 cm纵行切口,切开皮肤及皮下组织,锐性分离,暴露棘突、椎板及上下关节突,将附着于棘突、椎板及小关节的肌肉全部分离开,然后依次切除L6、7棘上及棘间韧带,咬除第6腰椎两侧下关节突,造成椎间失稳,用无菌生理盐水冲洗切口,依次缝合各层组织;术后动物在笼中自由活动。

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You think you're a big shot.

你认为你是一个大人物?

All states are equal, and none can receive special treatment from the federal government.

所有的州都是平等的,任何州都不能获得联邦政府的特别待遇。

Mountain area in Beijing ; debris flow disaster ; risk assessment for insurance ; zoning

北京山区;泥石流灾害;保险风险评判;区划