• 方法喷昔洛韦生产工艺中的原料试剂选择反应时间温度等进行探索改进

    Methods To search for and improve the choice of raw material and reagent, response time and temperature.

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  • 介绍ED TA容量测定萤石氟化钙时所使用主要试剂掩蔽剂等选择

    The selection of main reagents and screening agents has been introduced for measuring the calcium fluoride in fluorite by EDTA volumetric method.

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  • 目的探讨临床实验室凝血试剂科学合理选择方法

    Objective To probe into looking for the new methods of selection scientifically and rationally of the coagulative reagents.

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  • 研究了偕二金属有机试剂3氯化三烷基非对映选择反应

    The diastereoselective reactions of organogembismetallic reagent 3 with trialkyl tin chloride and iodine were studied.

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  • 利用单纯优化选择了各种试剂最佳用量以及采样体积、反应管长的最佳实验条件

    The amount of used reagents and the experimental conditions for sampling volume and coil length were optimized by using the controlled and weighed centroid simplex method.

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  • 硝酸铈铵一种选择良好具有多方面用途试剂

    Ammonium ceric nitrate is a reagent with good selectivity and multiple USES.

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  • 一个对钙具有高选择试剂

    It is a highly selective reagent.

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  • 甾醇配合及其提纯过程,将配合试剂原来钙盐C改为钙盐d,大大提高了配合的选择甾醇收率

    For the purification process for complexing of cholesterol, change of complexing reagent from Ca-C to Ca-D improved complexing selectivity and cholesterol yield.

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  • IBX一类新型的脱氢试剂,它具有反应条件温和选择较高、后处理简便、可再生利用优点

    IBX is a new dehydrogenating reagent with such advantages as mild reaction condition, high selectivity, convenient work-up and recyclable.

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  • 临床标本检测获得相似结果结论:各试剂之间提取核酸效率存在差异,应该选择性价比较好的方法进行临床标本的实验室RNA提取。

    Conclusion: the results suggest that it had significant difference between four RNA extraction methods, so we should choose the appropriate one for detection of flu viruses in clinical specimens.

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  • 试剂选择控制方式温度选择以及样本大小研究根据一系列不同结构输送装置材料,如:粒,

    Reagent selection, control style and temperature chosen, along with sample size is investigated for a range of materials with different structures and delivery mechanisms – caplets, gel caps etc.

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  • 试剂进料包括沉积试剂选择去除试剂混合物

    The reagent feed stream comprises a mixture of codeposition reagents and a selective silicon removal reagent.

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  • 结果选择活性炭载体材料硝酸铁为活化试剂制备饮水复合除砷材料。

    Results Active carbon and ferric nitrate were selected to prepare composite material for removal of arsenic in drinking water.

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  • 实验表明,方法具有灵敏度强、精密度高,选择试剂消耗量小,快速经济等优点。

    The result showed that the analytic method is sensitve, precise, rapid, economical in the use of reagent and good for selection.

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  • 试剂定义类化合物它们选择雄激素受体调节剂(SARM)。

    The agents define a new subclass of compounds, which are selective androgen receptor modulators (SARM).

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  • 酸盐绿色无污染化学试剂具有氧化性选择环保角度出发,其用途更是引人注目。

    Ferrate is green, non-pollution chemical agent and has powerful oxidization and high selectivity. From the view of protecting environment, the application of ferrate is more remarkable.

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  • 摘要:以苯酚液化试剂低温催化剂浓度等温和条件进行选择酚化,分离得到液化液和竹纤维素微粉。

    Abstract: the thermochemistry selective liquefaction of bamboo powder in phenol was carried out under lower temperature and lower acid-catalyzed concentration.

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  • 我们使用高价有机试剂PIFA)做氧化剂,实现了N-乙酰基吲哚芳香化合物直接偶联反应,得到了吲哚3号位选择联产物。

    In the presence of hypervalent iodine reagents (PIFA), Direct coupling reaction of N-acetyl-indole with aromatic compounds provided C-3 arylated indoles in high regioselectivity.

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  • 目的建立对血站献血人员血液HCV抗体初试剂评价方法选择合适匹配的初筛试剂提供依据

    Objective To evaluate the first and second assay kits currently used in blood centers for screening HCV infected blood, and to provide basis for a better match of the two assay kits.

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  • 另外各类亲核试剂环氧的开得到了区域选择反式的立体选择性都较高的开环产物

    In addition, high reactivity with various nucleophiles leads to high regioselective and trans-stereospecific ring-opening products.

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  • 方法以价格低廉的国产试剂2,6-二特丁基为原料,选择乙酸-水为反应介质合成关键中间体3,5-二特丁基-4-羟基甲醛,研究了乙酸-水配比对反应的影响;

    METHODS 3,5-di-tert-butyl-4-hydroxy benzaldehyde was synthesized from 2,6-di -tert-butyl phenol in a reaction medium of acetic acid-water which its ratio was investigated.

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  • 方法以价格低廉的国产试剂2,6-二特丁基为原料,选择乙酸-水为反应介质合成关键中间体3,5-二特丁基-4-羟基甲醛,研究了乙酸-水配比对反应的影响;

    METHODS 3,5-di-tert-butyl-4-hydroxy benzaldehyde was synthesized from 2,6-di -tert-butyl phenol in a reaction medium of acetic acid-water which its ratio was investigated.

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