• 饱和化钠提取基因组dna

    DNA was extracted using saturation sodium chloride method.

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  • 目的应用碘化钠牦牛快速提取基因组DNA检验效果

    Objective: Apply NaI to extract genomic DNA quickly from yak whole blood and check out the effect.

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  • 对比说明加氢提高产品收率减少三废方面明显优于铁粉化钠

    The superiority of catalytic hydrogenation reducing to iron and sodium sulfide reducing is showed in both increasing yield and decreasing wastes.

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  • 为了进一步降低生产成本课题继而研究了常压条件下硫氢合成巯基乙酸工艺过程

    In order to reduce raw material costs, this topic then studied at the condition of atmospheric pressure taking hydrosulfide sodium as materials to synthesis sodium thioglycolate kettle-style process.

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  • 另一种2-巯基苯并噻唑先将溴甲烷化钠反应生成硫氰酸氯甲酯,然后硫氰酸氯甲酯与2-巯基苯并噻唑反应得到苯噻氰。

    It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole.

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  • 目的介绍细菌内毒素甘油化钠注射液热原研究

    Objective To introduce a method to study the bacterial pyrogen in compound glycerin injection.

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  • 采用纤维素过量氯乙烷氢氧化钠反应甲苯稀释剂,用一步成功合成了乙基纤维素。

    Ethyl cellulose was synthesized successfully in one-step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.

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  • 采用三室化钠溶液为对象,对利用双极水解离制备酸碱有关材料进行

    Optimization of materials for making acid and base by water splitting in three-compartment with bipolar membrane is studied.

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  • 本文就氧杂制备进行了多方面的探讨,选出较好的合成路线即锌粉氢氧化钠还原

    Much research work is done on the synthesis method of xanthgdrol, from which the better synthesis method is zinc powder in addition to sodium hydroxide.

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  • 文中结合试验结果浮选过程中有关矿泥影响化钠作用浮选工艺的实质作了讨论

    The influence of slimes on flotation process, action mechanism of sodium sulphide and amine flotation mechanism are also discussed in the light of testing results.

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  • 结果奥硝化钠注射液细菌内毒素检查干扰

    Results: Ornidazole and Sodium Chloride Injection has no interference to the bacterial endotoxin.

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  • 目的建立可可碱化钠注射液细菌内毒素检查

    Objective: To establish a method bacterial endotoxin test of pentoxifylline sodium chloride injection.

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  • 污水结垢机理处理研究基础上确定氢氧化钠沉淀进行水质处理的工艺

    On the basis of studying the mechanism of sewage scaling and its softening treatment, the technique for water quality soft process with sodium hydroxide precipitation method is determined.

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  • 目的电极直接测定血糖乳酸比较甘油醛血葡萄糖保护作用和对血乳酸生成的抑制作用。

    Objective to compare the effect of glyceraldehydes with that of sodium fluoride to preserve glucose and lactic acid in whole blood specimens.

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  • 应用线性电势扫描研究电极电极体系在化钠电解液中的电行为。

    The cyclic voltammetry curves of sulfide mineral electrodes or corresponding carbon paste electrodes in NaCl electrolytes have been obtained in this study.

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  • 采用湿式空气处理含硫化钠废碱液

    Sodium sulfide spent caustic liquor was treated by wet air oxidation (WAO).

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  • 应用正交设计,考察氢氧化钠浓度、体积、提取温度、提取时间因素甘草黄酮提取率影响。

    Effective factors of extractions rate of flavonoids of glycyrrhiza in the waste residue of glycyrrhiza were studied by orthogonal design in this paper.

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  • 结果表明蒸煮助剂适用化钠存在的烧碱蒸煮。

    Experiment results show that as cooking additive quinone compounds are more suitable for soda cooking without sodium sulfide.

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  • 目的建立香菇多糖化钠注射液细菌内毒素检查

    Objective: to establish a method for testing bacterial endotoxin of Lentinan and Sodium Chloride Injection.

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  • 用失重研究氢氧化钠溶液十六烷基吡啶表面吸附及其缓蚀作用。

    The adsorption isotherm of cetane pyridine chloride in sodium hydroxide solution on aluminium surface has been measured by corrosion weight losses and its corrosion inhibition has been investigated.

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  • 目的建立盐酸克林霉素化钠注射液细菌内毒素检查

    RESULTS Clindamycin hydrochloride and sodium chloride injection did not interfere with bacterial endotoxin test when it was original liquid.

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  • 目的探讨凝胶进行氟康唑化钠注射液细菌内毒素检测的方

    Objective: to investigate the bacterial endotoxin test of fluconazole sodium chloride injection.

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  • 采用机械破碎蒸煮、氢氧化钠溶液蒸煮氨水处理蒸汽爆破等五种不同物理和剑麻纤维进行处理。

    Sisal fibers were pretreated by different technique as acid cooking, alkali cooking, mechanical crushing, ammonia liquor-swelling and steam exposition.

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  • 分析了我国西北地区二氧烟气处理现状提出一种适合地区烟气脱硫技术——化钠一元素

    The present situation of metallurgical off-gas treatment in Northwest China is analyzed and sodium sulphide-elemental sulphur desulphurization technology suitable to the area is proposed.

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  • 实验结果表明化钠盐析-分子筛联合脱水适宜的精制策略。

    The results showed that sodium chloride salt-out and molecular sieve dehydration combined method was the most appropriate dehydration method.

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  • 应用紫外吸光光度溶液研究了化钠机理

    With the application of UV spectrophotometry, and solution chemistry method, the reagent removal mechanism of sodium sulfide was studied.

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  • 采用燃烧,过氧溶液吸收用氢氧化钠滴定

    METHODS Oxygen flasr combustion method was used. Hydrogen peroxide solution was used as the absorption liquid and then was titrated by sodium hydroxide.

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  • 应用硼氢化钠还原合成三个硒代鬼臼毒素衍生物

    Three derivatives of selenoylpodophyllotoxin were composed with the reduce method. The synthetic process is temperate;

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  • 本文基于中的二氧氢氧化钠-酚酞溶液中的溶解而使酚酞逐渐褪色动力学行为提出直接测定气相中微量二氧碳的动力学分析

    A kinetic method for the direct determination of CO_2 in gaseous phase is proposed, based on fading the phenolphthalein when CO_2 dissolves in dilute aqueous solution of NaOH.

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  • 本文基于中的二氧氢氧化钠-酚酞溶液中的溶解而使酚酞逐渐褪色动力学行为提出直接测定气相中微量二氧碳的动力学分析

    A kinetic method for the direct determination of CO_2 in gaseous phase is proposed, based on fading the phenolphthalein when CO_2 dissolves in dilute aqueous solution of NaOH.

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