报道了一种以表面活性剂、丙二烯二胺和柠檬酸、EDTA为主要组分的硫化亚铁清洗剂配方和其在炼油装置应用的情况。
A detergent for cleaning iron monosulfide was formulated with surfactant, diamino-propadiene, citric and EDTA, and its cleaning mechanism was discussed.
丙二烯是甲基乙炔的一种异构体。
采用PSHONDO- SCF全电子从头计算程序,对丙二烯分子的两种不同对称性构型的电子结构进行计算。
Two different symmetric configurations in the electronic structure of propadiene molecule are calculated by adopting PSHONDO SCF full electronic ab initio calculation.
先对丙二烯振动模式进行分类及构造投影算符,再用投影算符构造简正坐标分量,从而组合出丙二烯分子的15个简正振动模式。
Then the paper used the projection operator to structure the normal coordinate component, thus combined 15 normal vibration patterns of propadiene molecule.
丙二烯环化氧化酶AOC能把一种不稳定的具有立体特异性的丙二烯环化物催化氧化成(9S,13S)-12-O-(10,15Z)-植物二烯酸,此植物二烯酸是茉莉酸的最终前体。
Allene oxide cyclase (AOC) catalyzes the stereospecific cyclization of an unstable allene oxide to (9S, 13S)-12-oxo-(10,15Z)-phytodienoic acid, which is the precursor next to jasmonic acid.
最后我们选用异二丙胺锂(LDA)为碱,在干冰丙酮浴下,合成了烯醇磷酸酯,并有很高的立体选择性。
At last , we used the base: LDA, dry ice-acetone bath , to synthesize the enol phosphates and gain very high rigio-selectivity.
它们是乙酸、苯甲醛、正葵酸、14-甲基十五烷酸甲酯、丙三醇、苯甲酸、6 ,9-十八碳二烯酸甲酯、角鲨烷、硬脂酸和二十烷基油酸酯。
They were acetic acid, benzaldehyde, n caproic acid, 14 methyl pentadecanoic methyl ester, glycerin, benzoic acid, 6,9 octadecadienoic methyl ester, squalane, stearic acid and oleic eicosyl ester.
以一氯化硫和烯丙硫醇为原料合成了二烯丙基四硫,产率为81。
And diallyl tetrasulfide was synthesized by the reaction of sulfur monochloride with allyl mercaptan with a yield of 81.
以二甘醇、碳酸钠、氯丙烯和二氧化碳为原料合成二甘醇双碳酸烯丙酯。
Diglycol allyl percarbonate is synthesized by diglycol, sodium carbonate, chloropropene and carbon dioxide.
第三部分研究了二苯基烯丙哌嗪苯甲酸-萘酰亚胺衍生物的抗肿瘤和促凋亡性能。
The third section studied on the alternative modification of naphthalimide scaffold and evaluated their antitumor and apoptosis-inducing function.
在我们的合成方法中,先从-苯乙醇开始合成了-苯乙基氯,再用丙二酸二乙酯的烯醇盐离子进行亲核取代。
First we synthesized the -phenylethyl chloride from -phenylethyl alcohol. Then it was substituted by enolate anion of diethyl malonate and converted to ester.
优选地,蓖麻酸甲酯通过交叉复分解或同质复分解分别转化成高 烯丙一元醇1-癸烯-4-醇或高烯丙多元醇9-十八烯-7,12-二醇。
Preferably, methyl ricinoleate is converted by cross-metathesis or homo-metathesis into the homo-allylic mono-alcohol 1-decene-4-ol or the homo-allylic polyol 9-octadecene-7,12-diol, respectively.
优选地,蓖麻酸甲酯通过交叉复分解或同质复分解分别转化成高 烯丙一元醇1-癸烯-4-醇或高烯丙多元醇9-十八烯-7,12-二醇。
Preferably, methyl ricinoleate is converted by cross-metathesis or homo-metathesis into the homo-allylic mono-alcohol 1-decene-4-ol or the homo-allylic polyol 9-octadecene-7,12-diol, respectively.
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