• 通过表面张力法研究了基亚DMSO十六烷基三甲基铵(CTAB束形成影响

    The effect of dimethyl sulphoxide(DMSO)on micelle conformation of hexadecyltrimethylammonium bromide(CTAB)was studied by means of surface tension.

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  • 由于工业国家的人处于多遍布的环境中,即使受精力的小小下降可能引起公共卫生的广泛影响,”科学家他们的研究说道

    Because exposure to PBDEs is ubiquitous in industrialized nations, even small decreases in fecundability may have wide-reaching public health impacts,” the scientists said in their study.

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  • 由于工业国家的人处于多遍布的环境中,即使受精力的小小下降可能引起公共卫生的广泛影响,”科学家他们的研究说道

    "Because exposure to PBDEs is ubiquitous in industrialized nations, even small decreases in fecundability may have wide-reaching public health impacts," the scientists said in their study.

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  • 十六烷甲基苯氧乙基溴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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  • 通过丙基对手两次不对称加成合成了光活性的烯丙基化的新型手性胺。

    A novel chiral diallylic diamine has been synthesized through double addition of allyl zinc bromide to chiral imines in this contribution.

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  • 章中,通过理论计算对金催代连环异构反应的机理进行了研究讨论

    In the second chapter, the mechanism of the gold-catalyzed cycloisomerization of bromoallenyl ketone was investigated and discussed.

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  • 通过表面张力法染色电镜法分别从两个方面研究了基亚砜(DMSO十六烷基三甲基铵(CTAB束形成影响

    The effect of dimethyl sulphoxide(DMSO)on micelle conformation of hexadecyltrimethylammonium bromide(CTAB)was studied by means of surface tension and negative staining TEM measurements.

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  • 研究十六烷基三甲基(CTAB)DNA分子稳定性影响对于认识阳离子表面活性剂DNA者之间相互作用具有重要的意义。

    Investigating the effects of cetyltrimethylammonium bromide (CTAB) on the thermal stability of DNA is of importance in understanding interactions between cationic surfactants and DNA.

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  • 通过添加适量四丁基溴化转移使用过量的亚磷酸异丙补偿强碱环境中的水解,从而提高了反应产率

    The yield was increased through adding tetrabutyl ammonium bromide as the phase transfer catalyst, and using excessive diisopropyl phosphite to compensate its hydrolyzation.

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  • 样品四丁基溴化氯甲烷离子萃取方法相离子对色谱分离联用,水体芳香族磺酸盐的检测提供了可靠的监测手段

    The combination of ion-pair extraction technology with reversed-phase ion-pair chromatography method provide a effective inspection measure for the sulfonates in water.

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  • 二溴化芳香芳香胺为单体,通过缩聚反应合成新型聚合物——亚胺酮,结构1HNMRIR元素分析确认

    Novel poly(imino ketone)(PIK) was synthesized via palladium catalyzed polycondensation reaction. The structures of PIK were confirmed by 1H NMR, IR and elemental analysis.

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  • 四丁基溴化四乙基溴化效率相当;采用2相转移催剂的催效率大于采用4克催剂的催效率;随高锰酸钾用量增加而增加

    The effects of 2 g PTCs used are better than those of 4 g PTCs, and the yield of azelaic acid is raised as the amount of potassium permanganate increases.

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  • 采用甲酚紫-十六烷基甲基苄基溴化测定洗涤剂工业的生产废水生活污水阴离子表面活性剂含量。

    Bromcresol burple - hexadecyldimethyl benzyl ammonium bromide spectrophotometry was used in the determination of anion surface active agent in wastewater from lotion industry or sewage.

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  • 1,3-甲基金刚烷为原料,溴化硫酸的作用下乙酰胺基水解、成盐等反应及改进的后处理方法得到盐酸美金刚,收率6 7。8%。

    Memantine hydrochloride was synthesized from 1,3 dimethyladamantane by bromination, acetamidation with acetonitrile in sulfuric acid and hydrolysis with an overall yield of 67.8%.

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  • 1,3-甲基金刚烷为原料,溴化硫酸的作用下乙酰胺基水解、成盐等反应及改进的后处理方法得到盐酸美金刚,收率6 7。8%。

    Memantine hydrochloride was synthesized from 1,3 dimethyladamantane by bromination, acetamidation with acetonitrile in sulfuric acid and hydrolysis with an overall yield of 67.8%.

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