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chemical reagent     
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  化学试剂
     The δ 18O_ V-SMOW values of the chemical reagent BaSO_ 4 are 14.64±0.13‰.
     BaSO4化学试剂的δ18OV-SMOW=(14.64±0.13)‰。
短句来源
     The Chemical Reagent Management System Based on.NET Technology
     基于.NET技术的化学试剂管理系统
短句来源
     Using powdery white tungstic acid as raw material, K3W2Cl9 has been prepared under ordinary conditions with 53% yield confirming that white tungstic acid as a chemical reagent of tungsten is superior to the yellow species.
     用粉状白钨酸作原料,在一般条件下制备K_3W_2Cl_9,产率达53%,证明白钨酸是比黄钨酸优越的钨化学试剂。 研究了K_3W_2Cl_9经离子交换转化为酸的形态后与Nd_2(CO_3)_3的反应。
短句来源
     Mice in 25 50 and 100 mg/kg CA groups were injected intravenously with the relevant dosages of CA dissolved with saline containing 0.5% Tween-80 provided by Shanghai Chemical Reagent Company of Chinese Medical Group mice in normal control group and tumor blank control group were injected intravenously with saline and mice in positive-drug control group were injected intravenously with 5 mg/kg carboplatin.
     对25,50,100mg/kg3个剂量组分别腹腔注射相应剂量用含0.5%土温80生理盐水溶解的桂皮醛(购自中国医药集团上海化学试剂公司),正常对照组和荷瘤空白对照组腹腔注射生理盐水,阳性药对照组腹腔注射卡铂5mg/kg。
短句来源
     The Design and Development Of Chemical Reagent Database
     化学试剂管理数据库的设计与开发——以华东地质学院化学试剂管理数据库为例
短句来源
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  化学剂
     Evaluation on Chemical Reagent for Solid and Liquid Separation of Waste Drilling Fluid
     废钻井液固液分离处理用化学剂性能评价
短句来源
     APPLICATION OF MULTI-FUNCTION COMPOSITE CHEMICAL REAGENT STEAM ON STEAM SOAKING
     多功能复合化学剂在蒸汽吞吐中的应用
短句来源
     With the uninterrupted development of indoor and field tests on chemical flooding, it is necessary for technical staff to study the rheology of chemical reagent in porous media.
     随着化学驱油的室内试验和矿场试验的不断发展,有必要研究化学剂溶液在多孔介质中的流变性。
短句来源
     Through change of geology reservoir and damage mechanism, chemical assistant technology of steam injection is developed, which use multi-function composite chemical reagent.
     从油藏地质条件变化和伤害机理入手 ,开发研制出注蒸汽化学辅助技术———多功能复合化学剂
短句来源
     In this paper, we analysed the influences of convection, dispersion, nonli- near adsorption, and dissolution, according to a mathematical model descri- bing the transport of a chemical reagent in porous media, and elucidated the characteristics of moving boundary layer in the solute transport process.
     本文从多孔介质中化学剂运移问题的数学模型出发,分析比较了对流-弥散-非线性吸附-溶解诸因素的相对强弱及其影响,说明了溶质运移过程的运动边界层特征。
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  “chemical reagent”译为未确定词的双语例句
     DBU──a useful chemical reagent
     DBU──一种大有可为的试剂
短句来源
     The results showed that the suitable conditions were as follows:water temperature 30-35℃,liqour ratio 1:10-1:15,the amount of inoculation 15%-20% and chemical reagent 0.5 Co(NH2)2 or compound fertilizer.
     结果表明,亚麻快速生物脱胶的适宜条件为:温度30℃-35℃、浴比1押10-1押15、接种量15%-20%、脱胶助剂0.5‰CO穴NH2雪2或复合肥。
短句来源
     A study is made on the determination of iron by centrifugation photometry. The results revealed an apparent mole absorptivity ε 612 = 3.08×10 6 L·( mol·cm ) -1 , and a linearity of Fe 3+ content 0.4~6.0 mg·L -1 . The method had been applied to the analysis of trace iron in pure chemical reagent.
     研究铁的离心光度法测定 ,表观摩尔吸光系数 ε612 =3.0 8× 10 6L· ( mol· cm) -1,Fe3+含量在 0 .4~ 6.0 mg· L-1范围内呈线性关系 .
短句来源
     Vitamin C and 300 g/L H2O2 were purchased from Shanghai Guangda Chemical Reagent Factory.
     维生素C及300g/L过氧化氢(上海光达化工试剂厂)。
短句来源
     The formula of feed for experiment group is: adding chemical reagent (lime + urea, corn straw in DM) 4 + 0 % (treatment I), 0 + 4 % (treatment II), 2 + 2 % (treatment III), 2 + 2 % (treatment IV), and 4% nutrient enhancements was added in treatment IV. Vitro digestibility and nutrient value of different deposed corn straw was evaluated by the method of gas production in vitro.
     试验组分别为:添加化学处理剂(石灰+尿素,以玉米秸DM计)4+0%(处理I)、0+4%(处理II)、2+2%(处理III)和2+2%(处理IV),同时在处理IV中再添加4%营养强化剂。 采用Menke的人工瘤胃产气法评定不同玉米秸处理的体外消化率和营养价值。
短句来源
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  chemical reagent
A new procedure was developed as an alternative to the enzymatic assembly of natural and modified double-stranded DNAs using chemical reagent (chemical ligation).
      
This barium is precipitated by adding proper chemical reagent.
      
Large specific surface areas of these nanoparticles are the main factor for their extremely high reactivity in comparison with their commercial counterpart when these particles are used as a chemical reagent.
      
The technique of gravimetric water sorption was used to identify samples which appear to interact with water as a chemical reagent.
      
The reaction is an interesting alternative to the traditional glutaraldehyde crosslinking, which has several drawbacks (e.g., in medical application) due to the toxicity of the chemical reagent.
      
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This paper is a report of a preliminary survey on a new process of ramie yarn production. It includes six parts: Part Ⅰ, Mechanical Decortication: A new machine for decortication has been designed in the light of experiences of hand decorticating preraling in villages for years.. The quality of the fibre decorticated by this newly designed machine is satisfactory. Part Ⅱ, Chemical Degumming: A new process for degumming ramie fibre has been worked out. The recipe used is tabulated as follows:— Sodium Hydroxide……18...

This paper is a report of a preliminary survey on a new process of ramie yarn production. It includes six parts: Part Ⅰ, Mechanical Decortication: A new machine for decortication has been designed in the light of experiences of hand decorticating preraling in villages for years.. The quality of the fibre decorticated by this newly designed machine is satisfactory. Part Ⅱ, Chemical Degumming: A new process for degumming ramie fibre has been worked out. The recipe used is tabulated as follows:— Sodium Hydroxide……18 grms./per litre Lamepon A……6 grms./per litre Sodium Hydrosulphate……6 grms./per litre Bath Ratio……1: 20 The fibre is boiled under normal atmospheric pressure. The time may be shortened to 30 minutes, in case alkaline treatment is used. Part Ⅲ, The Ultrasenie Method of Washing and Stamping: When the ultrasonic method is adopted, it only takes 10 to 15 minutes to complete the washing and stamping process. It is also suggested that chemical and ultrasonic methods combined in treating the fibre may be practical as well. Part Ⅳ, Auto-circular Carding Machine: The possibility to increase the line yield about 50-60% by improving the existing machine is investigated. Part Ⅴ, Supper High Drafting System: A super high drafting system using four lines of rollers is designed and has been tested in a small scale with a draft of 98.7. The result is good. Part Ⅵ, Fibre Proprieties Change: The use of different chemical reagents in changing the fibre proprieties was described. By immersing the degummed fibre in a bath of 25° Be' NaOH at 30℃, the elongation rate of fibre treated is increased from 2.1% to 10.8%.

本文系綜合研究苧蔴新工艺的初步試驗报告。文中第一部份系根据我国麻农手工剝麻的試驗,提出新型剝麻机的設計方案。已制成的新型剝麻机剝麻質量良好。文中第二部份提出了化学快速脱膠的新配方,新配方的成分为: NaOH(100%) 18克/升 NaHSO_3 6克/升雷米邦A 6克/升浴比 1:20 根据新配方处理原麻,可在常压下进行煮練和汽蒸,碱处理时間可縮短至30分鐘。文中第三部份提出应用超声波来替代脫膠时的打洗过程,超声波作用时間为10~15分鐘,文中提出了煮煉与超声波同时作用的可能性。文中第四部份探討了自动圓梳机提高梳成率至50%的可能性。文中第五部份提出了四罗拉控制管式超大牽伸的設計方案,按設計方案改裝的超大牽伸裝置已經小样試驗,在牽伸倍数为98.7倍的情况下,成紗品質良好。文中第六部份系叙述用不同化学試剂对苧麻纤維变性的試驗情况,用25°Be′NaOH溶液处理精干麻5分鐘(溫度30℃),可使單纤維伸長率从2.1%增加至10.8%。

On the basis of industrial production of soybean—casein, we try to change the proportions of chemical reagents and the temprature of extraction.It has been found that the suitable increment of NaOH and CaO gives marked yields of soybean —casein and the suitable increase of the amount of Na_2SO_3 and Na_2S_2O_4 gives whiter products.When the temprature of extraction is suitably raised an improved product has been obtained. We find three kinds of different proportions of chemical reagents and under...

On the basis of industrial production of soybean—casein, we try to change the proportions of chemical reagents and the temprature of extraction.It has been found that the suitable increment of NaOH and CaO gives marked yields of soybean —casein and the suitable increase of the amount of Na_2SO_3 and Na_2S_2O_4 gives whiter products.When the temprature of extraction is suitably raised an improved product has been obtained. We find three kinds of different proportions of chemical reagents and under suitable temprature, they will give higher yields and better qualities of soybean — casein. The physical and chemical properties of different degree of denatured products have also been studied.It has been found that the qualities of soybean —casein are greatly related to their degree of denaturation.

本文报导了在豆酪素工业生产的基础上,改变生产中所用化学试剂的用量和抽提温度等,发现适当地提高NaOH和CaO用量能明显地增加产量;适当地增加Na_2SO_3和Na_2S_2O_4用量能明显地提高白度.而抽提温度的适当升高能够改进产品质量,并且找到三种试剂配比,结合加温抽提,能得到产量较高、质量较好的产品. 比较不同变性程度的豆酪素的物理化学性质和质量的关系,发现豆酪素的质量与变性有密切联系,控制变性因素能得到质量较好的产品.

A gas chromatographic method, which utilizes a glycerol column connected in series with a silicone oil column, has been developed for the analysis of liquid phase byproducts in butadiene synthesis from ethanol. Ethanol and water, the main components, are separated from the other components by back-flushing through the glycerol column. Further resolution of the components free from water and ethanol is carried out on silicone oil column. By means of the functional group colour reaction, treated the vapour sample...

A gas chromatographic method, which utilizes a glycerol column connected in series with a silicone oil column, has been developed for the analysis of liquid phase byproducts in butadiene synthesis from ethanol. Ethanol and water, the main components, are separated from the other components by back-flushing through the glycerol column. Further resolution of the components free from water and ethanol is carried out on silicone oil column. By means of the functional group colour reaction, treated the vapour sample with chemical reagents in syringe, and the addition of supposed constituents, six compounds, i.e., acetaldehyde, ethyl ether, acetone, valeraldehyde, butyraldehyde, and ethyl acetate have been identified, and the former four constituents are quantitatively estimated by the absolute peak height method.

进行了用甘油柱和硅油柱串联以分离乙醇合成丁二烯液相产物中的副产物的研究.首先在甘油柱中将样品内大量乙醇和水同其他组分分离,井用反吹法将乙醇和水冲出柱外,其他组分进入硅油柱进一步被分离.通过颜色反应、化学处理和假设组分三种方法,鉴定出副产物中含有乙醛、乙醚、丙酮、戊醛、丁醛和乙酸乙酯等化合物;对前四种物质还进行了定量分析.

 
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