• 噻吩衍生物吸附顺序依次为,4,6-甲基二苯噻吩<二苯并噻吩<噻吩<并噻吩,实验结果相近。

    The calculated adsorption energy of the thiophenic compounds increased as 4, 6-DMDBT< DBT< TP< BT, which agrees with the experiment.

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  • 研究钛材反应器液相空气氧化3,3',4,4'-四甲基二苯乙烷制备3,3',4,4'-二苯甲酮四羧酸的反应规律

    The synthesis of 3,3 , 4,4 -benzophenone tetracarboxylic acid by liquid phase air oxidation of 1,1-bis(3,4-dimethylphenyl)ethane in titanium reactor was studied.

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  • 研究了镇肾平甲基并蒽诱导叙利亚仓鼠口腔癌变预防作用

    The preventive effects of zhenshenping on dimethyl benzanthracene induced oral carcinogenesis in syrian golden hamster were studied.

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  • 气味来源烷,甲酸脂,正醛,甲基砜,吲哚

    Source: Nonane, phthalate, butanal, dimethylsulfone, indole

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  • 我们知道许多有毒化学物品大脑的发育都有影响,这包括甲基、多氯有机磷杀虫剂阻燃甲酸盐

    We know that plenty of toxic chemicals are harmful to developing brains—including lead, methylmercury, PCBs, organophosphate pesticides, flame retardants (PBDEs) and phthalates.

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  • 报道以烷基磺酸甲酯催化异构亚磷酸三甲酯合成甲基甲酯。

    The synthesizing of dimethyl methyl phosphonic acid ester with trimethyl phosphite was catalyzed by methyl alkylbenzenesulfonate.

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  • 甲基磺酸催化剂时,甲醛缩收率可达87.7%。

    The yield of benzaldehyde glycol acetal was above 87.7% with zinc methanesulfonate as catalyst.

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  • 采用微波辐射技术,以、氢氧化钾氯化原料N, N -甲基酰胺为溶剂合成

    Using phenol and benzyl chloride as raw materials and n, N-dimethyl formamide (DMF) as solvent, benzyl phenyl ether was synthesized under microwave radiation.

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  • 它们乙酸甲醛、正葵14-甲基十五烷酸甲酯丙三醇甲酸69-十八碳烯酸甲酯、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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  • 十六烷甲基氧乙基溴化铵乳化能力起泡泡沫稳定性比较弱具有一定泡和作用

    The emulsibility, producing bubble ability and the foam stability for PDPB are weaker, and it has definite effect on disappeared and restrained bubbles.

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  • 甲醛、邻甲酸反应合成了邻甲酸亚胺甲基铜酞菁。

    Phthalmidomethyl copper phthalocyanine was synthesized, through reaction of cooper phthalocyanine which was dissolved by sulfuric acid, together with paraformaldehyde and phthalimide.

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  • 采用一氧化碳原料无水三氯化铝为催化剂,对3,5-甲基甲醛羰基化合成反应进行了研究。

    A new method related to the carbonylating synthesis of 3,5-dimethylbenzaldehyde was studied using o-xylene and CO as the raw materials and anhydrous AlCl3 as the catalyst.

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  • 乙烯基剂,甲基丙烯酸甲酯、乙烯甲基丙烯酸模型浇铸共聚,制得了交联型改性有机玻璃

    A kind of crosslinking modified organic glass was prepared by mold copolymerization of methyl methacrylate, styrene, methacrylic acid with divinylbenzene as crosslinking agent.

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  • 目的:研究增生平甲基并蒽(DMBA诱发金黄地鼠口腔癌预防作用

    Objecti The preventive effects of zhenshenping on dimethyl benzanthracene(DMBA)induced oral carcinogenesis in syrian golden hamster were studied.

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  • 本文聚矾和磺化共混物材料甲基乙酰胺为溶剂,聚乙烯吡咯啉酮甲酸甲酯为添加剂配制纺丝液,纺制外压中空纤维超滤膜。

    This paper reported the preparation of hollow fiber UF membrane, using PS and SPS as membrane spinning materials, DMA as solvent, PVPand dimethyl phthalate as additives.

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  • 论还了2,4-氯-3,5-硝基三氟甲基合成方法影响收率反应温度,反应时间催化剂进行了研究。

    This paper reported the synthetic method of 2, 4-dichloro-3, 5-dinitrotrifluorotoluene. The effect of temperature, time, and catalyst on yield were studied.

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  • 复合离子聚合物、六次甲基四胺、间酚为主要原料,制取复合离子聚合物调剖水剂。

    The compound ion polymer in-depth profile adjusting and water plugging agent had been developed by compound ion polymer, urotropine, resorcin, ammonium chloride as mostly material.

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  • 原料甲酸盐为催化剂进行液相氧化一步合成甲基甲腈。

    One step synthesis of o methyl benzonitrile with o xylene as raw material and benzene carbonate as catalyst was carried out in liquid phase oxygenation.

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  • 与聚甲基聚合物相比引入乙酰基后聚合物溶解性介电常数损耗因子有所提高

    The solubility, dielectric constant, and dissipation factor of the polymer were improved alter acetyl substitution of poly (p-xylylene).

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  • 溴代环己烷甲酸乙酯原料经过反应合成了甲基丙烯酸己基甲酯。

    With bromocyclohexane and ethyl benzoate as raw materials, dicyclohexylphenylmethyl methacrylate was synthesized by two steps.

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  • 氢-2-甲基-4--1,5-并硫氮杂卓重氮乙酸乙反应得到预期分子重排产物

    From the reaction of 2,3 dihydro 2 methyl 4 phenyl 1,5 benzothiazepines with diazozcetic ester an unexpected ring open product of the intramolecular rearrangement was obtained.

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  • 甲基作为后联剂,聚丙烯接枝乙烯-乙烯纤维进行后交联反应制备出具有高比表面积后交联纤维。

    The post-crosslinking fiber was prepared by cross-linking PP-ST-DVB fiber with p-xylylenedichloride according to the friedel-crafts reaction and was given a series of synthesis tests.

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  • 采用自行设计制造重氮甲烷发生装置有效控制甲基亚硝基磺酰胺反应用量减少有害气体排放

    By adopting the self-designed diazomethane generating device, the dosage of reaction reagent of diazald was effectively controlled and the harmful gas release was reduced.

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  • 本文以邻甲基、对氯胺、间三氟甲基5-三氟甲基-1,3-单体,利用电化学方法,得到了上述衍生物的聚合物薄膜

    In this paper, polymer films were prepared with o-toluidine, p-chloroaniline, m-trifluoro methylaniline and 5-trifluoromethyl-1,3-diaminobenzene as monomer by electrochemical method.

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  • 清洁胡椒基丁醚生产工艺研究i, 5 -丙基- 1,3 -氧杂茂的甲基废水处理

    Studies on Environmentally Sound Technology for Producing Piperonyl Butoxide I. Treatment of Waste Water from Chloromethylation of 5-propyl-1, 3-benzodioxole.

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  • 采用离子色谱同时测定合成药物中存在的四氟硼酸根、对甲基磺酸根、硫酸根、1,4-丁磺酸根4种离子。

    A new method of simultaneous separating and determining tetrafluoroborate, p-toluene sulphonic acid, sulfate radical and 1,4-Butanedisulfonie acid by ion chromatography was established.

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  • 氧杂环己烷溶剂通过聚乙2 70甲基磺酰氯反应合成了1 8冠6,率64 .4 %。

    Also, in dioxane solution, 18Crown6 was prepared in 64.4% yields by reaction of polyethylene glycol 270 and ptoluenesulfonyl chloride.

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  • 标题化合物C24H22N2O2N-(4-羟基甲基)喹啉-5-胺和5,5-甲基-1,3-环己酮在氯化三乙基苄基铵(TEBAC)催化下以溶剂反应而得。

    The title compound C24H22N2O2 has been synthesized by the reaction of N-arylidenenaphthalen-2-amine with 5,5-dimethyl-1,3-cyclohexadione water catalyzed by triethylbenzylammonium chlorideTEBAC.

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  • 标题化合物C24H22N2O2N-(4-羟基甲基)喹啉-5-胺和5,5-甲基-1,3-环己酮在氯化三乙基苄基铵(TEBAC)催化下以溶剂反应而得。

    The title compound C24H22N2O2 has been synthesized by the reaction of N-arylidenenaphthalen-2-amine with 5,5-dimethyl-1,3-cyclohexadione water catalyzed by triethylbenzylammonium chlorideTEBAC.

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