• 报道了一种表面活性剂丙二烯柠檬酸EDTA主要组分的硫化亚铁清洗剂配方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.

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  • 丙二烯甲基乙炔一种异构体

    Allene is an isomer of methyl acetylene.

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  • 采用PSHONDO- SCF电子从头计算程序,丙二烯分子两种不同对称性构型电子结构进行计算

    Two different symmetric configurations in the electronic structure of propadiene molecule are calculated by adopting PSHONDO SCF full electronic ab initio calculation.

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  • 先对丙二振动模式进行分类及构造投影投影算符构造坐标分量从而组合丙二烯分子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.

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  • 二烯环化氧化酶AOC不稳定的具有立体特异性的丙二烯环化物催化氧化成(9S13S)-12-O-(10,15Z)-植物二烯,此植物二烯茉莉酸的最终前体。

    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.

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  • 最后我们选用异胺锂(LDA)为碱,在干冰酮浴下,合成醇磷酸酯很高的立体选择性。

    At last , we used the base: LDA, dry ice-acetone bath , to synthesize the enol phosphates and gain very high rigio-selectivity.

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  • 它们乙酸苯甲醛、正葵14-甲基十五烷酸甲酯三醇苯甲酸69-十八碳二烯酸甲酯、角鲨烷硬脂十烷基油酸

    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.

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  • 氯化硫醇为原料合成了基四硫,产率81。

    And diallyl tetrasulfide was synthesized by the reaction of sulfur monochloride with allyl mercaptan with a yield of 81.

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  • 甘醇碳酸钠、氯氧化碳原料合成甘醇双碳酸酯。

    Diglycol allyl percarbonate is synthesized by diglycol, sodium carbonate, chloropropene and carbon dioxide.

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  • 第三部分研究苯基哌嗪苯甲酸-萘酰亚胺衍生物的抗肿瘤凋亡性能。

    The third section studied on the alternative modification of naphthalimide scaffold and evaluated their antitumor and apoptosis-inducing function.

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  • 我们合成方法中,-苯乙醇开始合成了-苯乙基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.

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  • 优选地,蓖麻酸甲酯通过交叉复分解同质复分解分别转化一元醇1-癸-4-醇或高多元醇9-十八-7,12-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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  • 优选地,蓖麻酸甲酯通过交叉复分解同质复分解分别转化一元醇1-癸-4-醇或高多元醇9-十八-7,12-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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