方法对喷昔洛韦生产工艺中的原料和试剂选择、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.
介绍ED TA容量法测定萤石中氟化钙时所使用的主要试剂、掩蔽剂等的选择。
The selection of main reagents and screening agents has been introduced for measuring the calcium fluoride in fluorite by EDTA volumetric method.
目的探讨临床实验室凝血试剂科学、合理选择的新方法。
Objective To probe into looking for the new methods of selection scientifically and rationally of the coagulative reagents.
研究了偕二金属有机试剂3与氯化三烷基锡和碘的非对映选择性反应。
The diastereoselective reactions of organogembismetallic reagent 3 with trialkyl tin chloride and iodine were studied.
利用单纯形优化法选择了各种试剂的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.
硝酸铈铵是一种选择性良好,具有多方面用途的试剂。
Ammonium ceric nitrate is a reagent with good selectivity and multiple USES.
它是一个对钙具有高选择性的试剂。
对胆甾醇配合及其提纯过程,将配合试剂从原来的钙盐C改为钙盐d,大大提高了配合的选择性和胆甾醇收率。
For the purification process for complexing of cholesterol, change of complexing reagent from Ca-C to Ca-D improved complexing selectivity and cholesterol yield.
IBX是一类新型的脱氢试剂,它具有反应条件温和、选择性较高、后处理简便、可再生利用等优点。
IBX is a new dehydrogenating reagent with such advantages as mild reaction condition, high selectivity, convenient work-up and recyclable.
对临床标本的检测,也获得相似结果。结论:各试剂之间提取核酸的效率存在差异,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.
试剂的选择,控制方式和温度选择,以及样本大小的研究是根据一系列不同结构和输送装置的材料,如:粒,胶帽等。
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.
该试剂进料流包括共沉积试剂与选择性硅去除试剂的混合物。
The reagent feed stream comprises a mixture of codeposition reagents and a selective silicon removal reagent.
结果选择以活性炭为载体材料、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.
实验表明,该方法具有灵敏度强、精密度高,选择性好,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.
该试剂定义新一亚类化合物,它们是选择性雄激素受体调节剂(SARM)。
The agents define a new subclass of compounds, which are selective androgen receptor modulators (SARM).
高铁酸盐是绿色、无污染化学试剂,具有强氧化性和高选择性,从环保角度出发,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.
摘要:以苯酚为液化试剂,在低温和低酸催化剂浓度等温和条件下对竹粉进行选择性酚化,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.
我们使用高价有机碘试剂(PIFA)做氧化剂,实现了N-乙酰基吲哚与芳香化合物的直接偶联反应,得到了吲哚3号位高选择性的偶联产物。
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.
目的建立对血站献血人员血液中HCV抗体初筛试剂的评价方法,为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.
另外,各类亲核试剂对环氧的开环得到了区域选择性和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.
方法以价格低廉的国产试剂2,6-二特丁基酚为原料,选择乙酸-水为反应介质,合成关键中间体3,5-二特丁基-4-羟基苯甲醛,并研究了乙酸-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.
方法以价格低廉的国产试剂2,6-二特丁基酚为原料,选择乙酸-水为反应介质,合成关键中间体3,5-二特丁基-4-羟基苯甲醛,并研究了乙酸-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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