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试液     
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  test solution
     Results:The hemolytic reaction was caused by the test solutions of 25 mg/ml and 16.7mg/ml,but it was not caused by the test solution of 10 mg/ml.
     结果:浓度为25mg/ml及16.7mg/ml的试液引起溶血反应,但10mg/ml试液未致溶血反应。
短句来源
     A C18 columnwas used with the mobile phase of 0.01mol/L KH2PO4 solution (pH 6.1, adjusted with ammonia test solution)-methanol-acetonitrile(85∶10∶5)at the detection wavelength of 330nm.
     采用C18柱,流动相为0.01mol/L磷酸二氢钾溶液(用氨试液调至pH6.1)-甲醇-乙腈(85∶10∶5),检测波长330nm。
短句来源
     METHODS:Silica gel G thin layer plate was adopted in the determination with n-butanol-hydrochloric acid-ethyl acetate(8∶3∶1)used as developer and thin potassium heptaiodobismuthate test solution used as color-developing agent,the detection wavelength was515nm,the reference wavelength was700nm and the slit size was6.00mm×0.45mm.
     方法:采用硅胶G薄层板,展开剂为正丁醇-盐酸-醋酸乙酯(8∶3∶1),显色剂为稀碘化铋钾试液,测定波长为515nm,参比波长为700nm,狭缝大小为6.00mm×0.45mm。
短句来源
     When choose luminol concentration 5- 0×10~4 mol/L, the H2O2 act as 0. 25mol/L,8-hydroxyquinoline is 1.0×10-4mol/L, pH of Cr ( VI )test solution is 4.0 and the fina liquor pH is 12 in the chemiluminescene reaction solution, the largest chemiluminescence emission intensity may be obtained.
     选择鲁米诺5.0×10~(-4)mol/L、H_2O_2为0.25mol/L、8-羟基喹啉为1.0×10~(-4)mol/L、Cr(Ⅵ)试液pH4.0、最终化学发光反应溶液pH12,可获得最大化学发光信号。
短句来源
     The appropriate addition of formic acid (0.1 mol/L) into test solution was 10mL.
     确定了配制试液时甲酸溶液(0.1mol/L)的适宜加入量为10mL;
短句来源
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  test solutions
     Results:The hemolytic reaction was caused by the test solutions of 25 mg/ml and 16.7mg/ml,but it was not caused by the test solution of 10 mg/ml.
     结果:浓度为25mg/ml及16.7mg/ml的试液引起溶血反应,但10mg/ml试液未致溶血反应。
短句来源
     Methods:The test solutions were prepared by diluting Xuesaitong injection (containing total saponin of Sanqi 100 mg) to 25 mg/ml,1 6.7 mg/ml,and 10 mg/ml. The hemolytic degree of human erythrocytes caused by the test solutions was measured by spectrometry and routine macroscopy.
     方法:将血塞通注射液(含三七总皂甙100mg)稀释为25mg/ml,16.7mg/ml,及10mg/ml试液,用分光光度法和常规肉眼观察法测定试液所致人血红细胞溶血度。
短句来源
     A simple,rapid and sensitive iodometric amplification method is developed for the determination of microgram amounts of Cr(Ⅲ),Cr(Ⅵ)and Mn(Ⅱ) or Mn (Ⅶ). The individual amounts of Cr(Ⅲ),Cr(Ⅵ)and Mn(Ⅶ)or Mn(Ⅱ)in different test solutions have successfully been determined by this method which offers 20fold amplification for Mn,and 9fold for Cr. 
     介绍了测定微克量级Cr(Ⅲ),Cr(Ⅳ)和Mn(Ⅱ)或Mn(Ⅶ)的简单、快速、高增敏碘量法.用此法成功地测定了不同试液中Cr(Ⅲ),Cr(Ⅵ)和Mn(Ⅱ)或Mn(Ⅶ)的分量,对Mn和Cr测定分别增敏20和9倍.
短句来源
     Then bacterial endotoxins were diluted into solutions of different concentrations with the test solutions,and interference test was carried out by using tachyˉpleus amebocyte lysate sensitivity compound nucleus.
     再以细菌内毒素检查用水与样品制备成的供试液分别将细菌内毒素稀释成不同系列浓度的溶液,按鲎试剂灵敏度复核进行干扰性试验。
短句来源
     Pho toelectric spectrophotometer was used to determine the light-absorbent rate of the test solutions of mixed and the content of maize starch in mixed starch was calculated by data regression equation.
     用光电分光光度计测定混合淀粉试液的吸光率值,通过数据回归方程确定混合淀粉中玉米淀量的含量。
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  testing solution
     The samples are completely dissolved with HCI-HNO_3-HCIO_4.In the presence of 3 mL of poly- ethylene glycol,the testing solution is rapidly clarified within 2.5 h.
     矿石样品用HCl-HNO_3-HClO_4完全溶解,在均匀的试液中,选择聚乙二醇用量3 mL,澄清时间仅2.5 h,试液快速澄清。
短句来源
     Objectives: To prepare the ointment preparation for testing solution of vaseline basis prerared by four matching ways, comparing their properties of dissolving or emulsifying the ointment preparation, and ispecting the bacteriostatic effects of staphylococ-cus aureus[CMCC(B)26003] pseudomnas aeruginosa[CMCC(B) 10104].
     目的:用4种配比溶剂制备凡士林基质的软膏制剂供试液,比较它们溶解或乳化软膏制剂的性能,并考察它们对金黄色葡萄球菌[CMCC(B)26003)]及铜绿假单胞菌[CMCC(B)10104]的抑菌作用。
短句来源
     Method:Using the technique of HPLC combined with Solid Phase Extraction (SPE). The testing solution of sample was prepared with Sep Pak C 18 cartridge.
     方法: 采用 固 相萃 取与 高 效液 相 色谱法结合 的分析 技术,样品 供试液 用 Sep Pak C18 微柱 制备。
短句来源
     Research on Preparing Method for Testing Solution of Oleiferons Ointment Preparation
     油质性软膏制剂供试液制备方法的研究
短句来源
     The experiment indicates that the physical properties of the testing solution are identical with the blank solution.
     实验表明试液的物理性质与空白溶液一致.
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  reagent solution
     Through the contrast experiment, when using the eurcumin colorim-etric analysis to determine the effective boron of soil, the effects of every condition such as the quantity of soil, the amount of solution, the boiling time, the drying temperature, the colour showing time, the turcumin reagent solution storage time, the diameter of soil particles, and all the utensils on the determined results were found out.
     通过对比试验找出了用姜黄素比色法测定土壤中有效硼含量时,取土量和试液量、煮沸时间和蒸干温度、显色时间和姜黄素溶液存放时间、土壤粒径和所用器皿诸条件对测定结果的影响。
短句来源

 

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  test solution
Relative standard deviations (RSDs) of 2.8% for the minor ingredient and 1.2% for the major ingredient were produced in 11 runs of a test solution containing 13.1 mg/l pseudoephedrine hydrochloride and 81.4 mg/l ibuprofen.
      
In the proposed method, a tangential flow of the test solution is passed through a series of successive membranes with decreasing pore size.
      
Other techniques for solving the above problem, namely, an increase in the temperature of the test solution temperature or the use of solvent extraction, bioaccumulation, and unusual analytical procedures are also considered.
      
The concentration of H2O2 is determined by the length of the colored zone on a test strip (3 x 80 mm) sealed into adhesive polymer film after its contact with the test solution.
      
For the determination of H2O2 by the color intensity of indicator paper after passing 20 mL of a test solution, the analytical range is 0.005-1 mg/L.
      
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  test solutions
The problem of test solutions is discussed, which are used for estimating the Monte-Carlo simulation algorithms.
      
The influence of the composition of the test solutions on the formation of the analytical signal in the solid phase is studied.
      
In transfer from water to the solutions, the static dielectric constant decreases for all test solutions.
      
These differences can be correted for by using standard and test solutions for each sheet.
      
Results obtained on test solutions show good reproducibility and sensitivity and the method may be considered sufficiently reliable to be used in routine quality control procedures.
      
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  testing solution
Eight treatments including the primed seeds and nonprimed seeds, five replicates with 100 seeds for each treatment, were set to 15-cm-Petri dish with double filter paper moistened with testing solution PEG in refrigerator at 27°C.
      
For each treatment there were four replicates with 40 seeds incubated in 9-cm Petri dishes with double filter paper moistened with testing solution.
      
The absorbance for 0.1 μEq Cl-/ml testing solution is about 0.255.
      
Lambert-Beer's law is obeyed in the range of 0.01-0.6 μEq Cl-/ml testing solution.
      
The slake durability results ranged from medium to very high under the different pH conditions but it was concluded that the slake durability of gypsum is independent of the pH of the testing solution.
      
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  reagent solution
Preference was given to the scheme of flow injection analysis with the direct introduction of an extractant into the mixed flow of a sample and a reagent solution followed by phase separation in a chromatomembrane cell.
      
Preference was given to the scheme of flow injection analysis with the direct introduction of an extractant into the mixed flow of a sample and a reagent solution followed by phase separation in a chromatomembrane cell.
      
The proposed sample preparation procedure involves gas extraction of selenium as hydrogen selenide followed by its liquid-adsorption extraction from the gas phase to an aqueous reagent solution with the formation of a water-insoluble formazan.
      
For ten thin-layer plates with ten sample spots per plate only 0.2 cm3 reagent solution are needed.
      
Finally, fluorescence detection is after post-column labelling of the amino acids using ano-phthalaldehyde-2-mercaptoethanol reagent solution.
      
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1. A brief review of the assay processes of liquorice root is made. 2. After investigating the more important stages in the processes of Houseman and Fahmy, the following improvements are made to obtain a more complete separation of glycyrrhizic acid: (1) duration for the precipitation of glycyrrhizic acid is prolonged from 2-fe- hours employed by Houseman to 24 hours; (2) concentration of the sulphuric acid usad for the precipitation of glycyrrhizic acid is changed from 0.3 per cent employed by Houseman to...

1. A brief review of the assay processes of liquorice root is made. 2. After investigating the more important stages in the processes of Houseman and Fahmy, the following improvements are made to obtain a more complete separation of glycyrrhizic acid: (1) duration for the precipitation of glycyrrhizic acid is prolonged from 2-fe- hours employed by Houseman to 24 hours; (2) concentration of the sulphuric acid usad for the precipitation of glycyrrhizic acid is changed from 0.3 per cent employed by Houseman to 1.4 per cent; (3) temperature for the precipitation of glycyrrhizic acid is lowered from room temperature employed by Fahmy to 6-7°C. 3. Benedict's quantitative solution is used in place of Fehling's solution in the titration of reducing sugars, because the former solution is more stable and has better keeping properties. 4. An improved process for the assay of liquorice root is described. Five samples of Chinese liquorice root have been assayed by this method. The results obtained are as follows: water-soluble extractives, 26.17—35.59 per cent; glycyrrhizic acid 5.49—10.04 per cent; total reducing sugars, 4.70—10.97 per cent; starch and gummy matter, 4.17—5.92 per cent; water, 8.04—8.93 per cent; ash, 3.06—4.24 per cent; acid-insoluble ash, 0.25—0.65 per cent. The above results showed that the samples assayed fully conform with the requirements of the pharmacopoeias of most countries.

1.本文简述了前人分析甘草成分所用的方法,並對Houseman氏及Fahmy氏所用方法的主要步驟進行了比較研究,改進了他們的操作方法. 2.為了便利更完全地分離甘草根中所含的甘草酸,我們進行了下列修改:(1)將Houseman氏沉澱甘草酸的時間由2.5小時延長至24小時;(9)將Houseman氏沉澱甘草酸時所用的硫酸濃度由0.3%提高至1.4%;(3)將Fahmy氏沉澱甘草酸時的温度由常温降低至6—7C°. 4.由於非林氏試液很不穩定,應用、貯存均感不便,故採用班乃第氏定量試液.用轉化後的糖液滴定一定量的班乃第定量試液,以测定總還原糖量. 6.本文報告了對五種国產甘草成分分析的結果;水溶物26.17—35.59%,甘草酸5.49—10.04%,總還原糖4.70—10.97%,澱粉及膠質4.17—5.92%,水分8.04—8.93%,灰分3.06—4.24%,酸不溶性灰分0.25—0.65%.並證明上述樣品完全符合於中、蘇、英、日、美各国藥典規定的甘草品質標準.

The study of the paper chromatography of organic acids was undertaken to provide a simplemethod for the identification of the organic acids in plant tissues.With the technique of ascend-ing development,the R_f values of seven organic acids were determined as follows:With the exception of the R_f values of oxalic acid,these values agree generally with thosefound in the literature.Temperature variations have no apparent influence on the R_f values ofthe organic acids examined.Different from other organic acids,oxalic...

The study of the paper chromatography of organic acids was undertaken to provide a simplemethod for the identification of the organic acids in plant tissues.With the technique of ascend-ing development,the R_f values of seven organic acids were determined as follows:With the exception of the R_f values of oxalic acid,these values agree generally with thosefound in the literature.Temperature variations have no apparent influence on the R_f values ofthe organic acids examined.Different from other organic acids,oxalic acid left long trails on the chromatograms andthis trailing was not eliminated by an increased concentration of the swamping acid HCOOH.Experiments have shown that only when the concentration of the oxalic acid solution applied issufficiently high(above 0.5 M),can a well defined spot be seen at the end of the trail and onlythis spot appears to have a constant R_f value.On the other hand,when the concentration ofthe test solution is comparatively low(below 0.5 M),no spot can be seen on the chroma-togram,except a diffuse trail,the length of which is found to vary with the concentration of theacid applied,being less at the lower concentrations.The R_f values of oxalic acid reported inthis paper are obtained on the condition that only concentrated solutions(above 0.5 M)of theacid are used and only the excursions of the well defined spots at the ends of the trails are basedfor calculations.A modified method for the chromatographic detection of organic acids from plant tissuesis here described.In order to overcome the difficulty in differentiating the acids of similarmobilities and to avoid the possible loss of acids from detection,it is proposed to develop twochromatograms for each sample with two different solvents and also to compare the resultsobtained with both diluted and concentrated solutions of the unknown acids.By this method the leaves of castor-oil plant(Ricinus communis,L.)were found to containtartaric acid,citric acid,malic acid,and fumaric acid and those of lotus(Nelumbo nucifera,Gaertn)were found to contain gluconic acid,tartaric acid,citric acid,malic acid,oxalic acid andsuccinic acid.

(1)本文分别用戊醇-蚁酸-水和丁醇-蚁酸-水为溶剂测定了酒石酸等七种有机酸的 R_f 值。除草酸外,所有结果与文献记录基本符合。在本文实验的温度范围内(30±4°)温度变化对有机酸的 R_f 值并无显著影响。(2)由于草酸的严重拖尾现象,在一般的操作用量下,草酸试液浓度在0.5M 以下不能生成有固定 R_f 值的斑点。因此草酸 R_f 值必须以0.5M 以上的浓试液进行试验,并须以最高处的深浓斑点作为计算根据。(3)对植物组织中非挥发性有机酸的纸上层析,本文建议用两种 R_f 值相互验证,并用浓试液与稀试液作比较试验,所得结果比较明确可靠。(4)用本方法在蓖麻叶中检出了酒石酸,柠檬酸,苹果酸和延胡索酸四种非挥发性有机酸。在荷叶中检出了葡萄糖酸,酒石酸,柠檬酸,苹果酸,草酸和琥珀酸六种非挥发性有机酸。

An improved potentiometric method for determination of chloride ions with mercuric nitrate is described. Silver-silver chloride electrode is used as the indicating electrode while the reference electrode is a silver-electrode, immersed in 0.1 N silver nitrate solution. The addition of an amount of ethyl alcohol, which equals to 74% of the total volume of solution at the end of titration, is advocated. Satisfactory results are obtained. Variations in concentration of mercuric chloride at the end point and pH...

An improved potentiometric method for determination of chloride ions with mercuric nitrate is described. Silver-silver chloride electrode is used as the indicating electrode while the reference electrode is a silver-electrode, immersed in 0.1 N silver nitrate solution. The addition of an amount of ethyl alcohol, which equals to 74% of the total volume of solution at the end of titration, is advocated. Satisfactory results are obtained. Variations in concentration of mercuric chloride at the end point and pH of solution have no effect on titration results. Owing to the fact that no precipitate is formed during the titration, this method is easier to carry out than the argentometry.

本文讨论硝酸汞电位滴定法,用氯化银电极为指示电极,用银电极浸入0.1N硝酸银溶液中为参比电极,在试液中加入相当於滴定终了时总体积74%的乙醇,滴定可得到较硝酸银电位法更为令人满意的结果。

 
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