饱和氯化钠法提取基因组dna。
目的,应用碘化钠法从牦牛全血中快速提取基因组DNA,并检验其效果。
Objective: Apply NaI to extract genomic DNA quickly from yak whole blood and check out the effect.
对比说明了加氢法在提高产品收率、减少三废方面明显优于铁粉法和硫化钠法。
The superiority of catalytic hydrogenation reducing to iron and sodium sulfide reducing is showed in both increasing yield and decreasing wastes.
为了进一步降低生产成本,本课题继而研究了常压条件下硫氢化钠法合成巯基乙酸钠的工艺过程。
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.
另一种2-巯基苯并噻唑法是先将溴氯甲烷与硫氰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.
目的介绍细菌内毒素法对甘油氯化钠注射液热原的研究。
Objective To introduce a method to study the bacterial pyrogen in compound glycerin injection.
采用纤维素与过量的氯乙烷及氢氧化钠反应,以甲苯为稀释剂,用一步法成功地合成了乙基纤维素。
Ethyl cellulose was synthesized successfully in one-step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.
采用三室法以氯化钠溶液为对象,对利用双极膜水解离制备酸碱的有关材料进行优化。
Optimization of materials for making acid and base by water splitting in three-compartment with bipolar membrane is studied.
本文就氧杂蒽醇的制备方法进行了多方面的探讨,选出了较好的合成路线即锌粉加氢氧化钠还原法。
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.
文中还结合试验结果对浮选过程中有关矿泥的影响、硫化钠的作用及胺法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.
结果:奥硝唑氯化钠注射液对细菌内毒素检查法无干扰。
Results: Ornidazole and Sodium Chloride Injection has no interference to the bacterial endotoxin.
目的:建立己酮可可碱氯化钠注射液细菌内毒素检查法。
Objective: To establish a method bacterial endotoxin test of pentoxifylline sodium chloride injection.
在污水结垢机理和软化处理研究的基础上,确定了氢氧化钠沉淀法进行水质软化处理的工艺。
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.
目的用电极法直接测定全血血糖及乳酸,比较甘油醛与氟化钠对血葡萄糖的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.
应用线性电势扫描法研究硫化矿的纯矿电极与碳糊电极体系在氯化钠电解液中的电化学行为。
The cyclic voltammetry curves of sulfide mineral electrodes or corresponding carbon paste electrodes in NaCl electrolytes have been obtained in this study.
采用湿式空气氧化法处理含硫化钠废碱液。
Sodium sulfide spent caustic liquor was treated by wet air oxidation (WAO).
应用正交设计法,考察氢氧化钠浓度、体积、提取温度、提取时间等因素对甘草黄酮提取率的影响。
Effective factors of extractions rate of flavonoids of glycyrrhiza in the waste residue of glycyrrhiza were studied by orthogonal design in this paper.
结果表明,醌类蒸煮助剂更适用于无硫化钠存在的烧碱法蒸煮。
Experiment results show that as cooking additive quinone compounds are more suitable for soda cooking without sodium sulfide.
目的:建立香菇多糖氯化钠注射液细菌内毒素检查法。
Objective: to establish a method for testing bacterial endotoxin of Lentinan and Sodium Chloride Injection.
用失重法研究了氢氧化钠溶液中氯化十六烷基吡啶在铝表面上的吸附及其缓蚀作用。
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.
目的建立盐酸克林霉素氯化钠注射液细菌内毒素检查法。
RESULTS Clindamycin hydrochloride and sodium chloride injection did not interfere with bacterial endotoxin test when it was original liquid.
目的:探讨凝胶法进行氟康唑氯化钠注射液中细菌内毒素检测的方法。
Objective: to investigate the bacterial endotoxin test of fluconazole sodium chloride injection.
采用机械破碎、酸法蒸煮、氢氧化钠溶液碱法蒸煮、氨水处理和蒸汽爆破等五种不同物理和化学方法对剑麻纤维进行处理。
Sisal fibers were pretreated by different technique as acid cooking, alkali cooking, mechanical crushing, ammonia liquor-swelling and steam exposition.
分析了我国西北地区二氧化硫烟气处理现状,提出一种适合该地区的烟气脱硫技术——硫化钠一元素硫法。
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.
实验结果表明,氯化钠盐析-分子筛联合脱水法为最适宜的精制策略。
The results showed that sodium chloride salt-out and molecular sieve dehydration combined method was the most appropriate dehydration method.
应用紫外吸光光度法和溶液化学的方法研究了硫化钠脱药机理。
With the application of UV spectrophotometry, and solution chemistry method, the reagent removal mechanism of sodium sulfide was studied.
方法采用氧瓶燃烧法,过氧化氢溶液为吸收液,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.
应用硼氢化钠还原法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;
本文基于气相中的二氧化碳在稀氢氧化钠-酚酞溶液中的溶解而使酚酞逐渐褪色的动力学行为提出了一种直接测定气相中微量二氧化碳的动力学分析法。
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.
本文基于气相中的二氧化碳在稀氢氧化钠-酚酞溶液中的溶解而使酚酞逐渐褪色的动力学行为提出了一种直接测定气相中微量二氧化碳的动力学分析法。
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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