• 那么大家来告诉原子应该多少形式电荷

    So why don't you tell me what the formal charge should be on the sulfur atom of thionyl chloride?

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  • 主要对采用微波真空真空联合干燥得到的磺酸酯含量大蒜生物活性进行了研究

    To study on the biological activity of garlic powder with high thiosulfinates content which was produced by microwave-vacuum drying combined with vacuum drying method.

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  • 合金变质元素以外,还有稀土。其中,应用较多的是含钠和锶的变质剂。

    The modifying elements used in hypoeutectic Al Si alloys, besides Na, there are also Sr, Te, Ba, Sb, K, RE, B, S, etc.

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  • 新颖咪唑衍生物它们制备方法,所得的新中间体,作药剂使用以及药物组合物

    Sulphurous derivatives of imidazole, their preparation process, intermediates obtained, their use as medicaments and pharmaceutical compositions containing them.

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  • 华盛顿哥伦比特区华盛顿卡内基研究所地球化学家道格拉斯·朗布尔,其中的非常重要的”。

    The sulfur is "critically important, " says geochemist Douglas Rumble of the Carnegie Institution of Washington in Washington, D. C.

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  • 目的正常大鼠组织浆、细胞给药小鼠肝匀浆、血清等为材料研究62乙基3羟基41H吡啶酮HDP氧化作用

    AIM To study anti oxidation of 6 phenylthio 2 ethyl 3 hydroxy 4(1H) pyridinone (HDP) in tissues homogenates, livers subcellular and in serums from mice.

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  • 硫的含量多少因地而,比如宾夕法尼的某些原油含量重量为0.05% ,中东原油平均约为2% ,尼日利墨西哥质原油为5%甚至更多

    This can vary from about 0.05% by weight, as in some Pennsylvanian crudes. to about 2% in an average Middle East crude. and to 5% or more in heavy Nigerian or Mexican crudes.

    youdao

  • 其中植物系统,93.7%累积中。

    The 93.7 % of total S was accumulated in roots in the plants.

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  • 收获后乐果磷浸泡已作为检疫处理方法,用于对付澳大利危害西红柿南瓜害虫

    Post-harvest dips using dimethoate or fenthion are accepted quarantine treatments against insects from Australia infesting tomatoes and cucurbits.

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  • 为了阐明这些有争议发现我们采用了一种新的亚硫氰酸测序工具确定

    In order to clarify these controversial findings, we developed a new bisulphite sequencing protocol to determine the methylation status of p16.

    youdao

  • 为了阐明这些有争议发现我们采用了一种新的亚硫氰酸测序工具确定

    In order to clarify these controversial findings, we developed a new bisulphite sequencing protocol to determine the methylation status of p16.

    youdao

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