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浓度
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  concentration
    DETERMINATION OF MANGANESE IN URINE BY LOW CONCENTRATION DIFFERENTIAL SPECTROPHOTOMETRIC-FORMALDOXIME METHOD
    低浓度差示分光光度—甲醛肟法测尿锰
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    Analysis of Water Vapor Concentration with Dew Point Method during Reduction of Ammonia Catalyst
    在氨催化剂还原中用露点法分析水汽浓度
短句来源
    On-line Determination of Cumene Hydroperoxide Concentration in Cumene Oxidation Products by Liquid Ultrasonic Velocimeter
    超声波液体声速仪在线测定异丙苯氧化液中过氧化氢异丙苯的浓度
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    KINETICS OF AN-MA-MAS PRECIPITATION TERPOLYMERIZATION IN AQUEOUS MEDIUM(Ⅱ).EFFECTS OF MONOMER CONCENTRATION,TEMPERATURE AND AGITATION
    AN—MA—MAS水相沉淀聚合动力学——(Ⅱ)单体浓度、温度及搅拌的影响
短句来源
    TRIAL APPLICATION OF MTBE USING LOW CONCENTRATION ISOBUTYLENE C_4 FRACTION
    利用低浓度异丁烯C_4馏分合成MTBE 3 kt/a装置试验
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  consistency
    An Investigation of Temperature Compensation on Photoelectric Transmitter Type NNG-01 for Black Liquor Consistency Measurements
    NNG—01型光电浓度变送器检测黑液浓度时温度补偿问题的探讨
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    Model ZDP23 High Consistency Refiner
    ZDP23型高浓度磨浆机
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    Auto Pulp Consistency Control System
    纸浆浓度自动控制系统的实现
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    Discussion on Auto Pulp Consistency Control in B/M Microcomputer Control System
    论B/M微机控制系统中的纸浆浓度自动控制
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    Principle and Modulation of MEK-2200 Pulp Consistency Transmitter
    MEK-2200纸浆浓度变送器结构原理及调试方法
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  thickness
    The thickness can be defined by the concentration of liquid and taking out vacuum filtration time.
    利用真空抽滤法制造滤芯,效果很好,薄厚可以根据滤浆的浓度和抽滤时间来确定,敷层比较均匀。
短句来源
    Dust concentration has little influence on the structure of dust cake, and the pore size, porosity, and thickness of the membrane affect the cake layer structure scarcely.
    进口粉尘浓度对滤饼层结构的影响较小,膜的孔径、孔隙率、厚度等结构参数对滤饼层的结构基本没有影响,而粉尘颗粒大小对滤饼层结构及其过滤压降有着显著的影响。
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    It also shows that the biofilm thichness has significent effect on the effluent concentration and in our experiment condition the best biofilm thickness is 150 to 180 μm.
    生物膜厚对出水浓度有显著影响,本试验条件下的最佳膜厚为150~180μm。
短句来源
    When the temperature is 313K , the thickness of PTMSP membrane is 20~25 μm and the concentration of ethanol-water solution is 10 wt%, α=18.5, J=0.969 kg·m-2·h-1.
    在313K,膜厚20~25μm,料液浓度10wt%时,α=18.5,J=0.969kg·m-2·h-1。
短句来源
    The thickness of membrane and mechanical strength of microcapsule could be regulated by varying the CMC concentration in polyanion solution.
    通过CMC浓度可以调节微胶囊的膜厚和机械强度。
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  “浓度”译为未确定词的双语例句
    The Determination of Ionized Calcium in Human Bile with Calcium Ion Selective Electrode
    钙离子选择电极对人体胆汁中钙离子浓度的测定
短句来源
    STUDIES ON THE STABILITY OF ASCORBIC ACID INJECTION——Ⅲ. STUDY ON THE RATE OF DEGRADATION OF 25% ASCORBIC ACID INJECTION
    抗坏血酸注射液稳定性的研究——Ⅲ.25%抗坏血酸注射液浓度变化规律的探讨
短句来源
    Studies on the Stability of Ascorbic Acid Injecfion Ⅲ、A Study on the Rate of Degradation of 25% Ascorbic Acid Injection
    抗坏血酸注射液稳定性的研究——Ⅲ.25%抗坏血酸注射液浓度变化规律的探讨
短句来源
    METHODS OF DETERMINATION OF L-CYSTEINE HYDROCHLORIDE AND SODIUM PYROSULFITE IN 25% ASCORBIC ACID INJECTION
    25%抗坏血酸注射液中盐酸-L-半胱氨酸与焦亚硫酸钠浓度的测定
短句来源
    STUDIES OF 1-ACETYL-3-O-TOLUYL-5-FLUOROURACIL 3. HPLC IN DETERMINATION OF THE MAIN METABOLITES A-OT-FU IN SERUM
    1—乙酰基-3-邻-甲基苯甲酰基-5-氟尿嘧啶的研究——Ⅲ、高效液相色谱法测定小鼠主要代谢物的血药浓度
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  concentration
More generally, these results apply both to Gabor frames and to systems of Gabor molecules, whose elements share only a common envelope of concentration in the time-frequency plane.
      
aureus in lower concentration of chloroform extract.
      
Transfersomal formulation with optimal concentration of Soya phosphatidylcholine (SPC) and sodium deoxycholate (85:15 w/w) showed entrapment efficiency of 39.8±0.032 and deformability index of 16.4.
      
None of the synthesized compounds appear to be more potent than 1 at a concentration of 10 μM.
      
Only two of the evaluated compounds (2 and 8) appeared to be allosteric enhancers at high concentration (10 μM).
      
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  consistency
Consistency of MLE of the parameter of exponential lifetime distribution for random censoring model with incomplete information
      
On the uniform consistency of the kaplan-meier estimator under heavy censoring
      
In this paper we study the uniform consistency of the Kaplan-Meier estimator under the case τF = sup(t:F(t)>amp;lt; 1) >amp;gt; τG = sup (t1G(t) >amp;lt; 1).
      
The properties of the new estimator including consistency, asymptotic normality and robustness are discussed.
      
Their consistency error are O(h2), one order higher than the usual 12 parameter rectangular plate elements.
      
更多          
  thickness
(2) The SML thickness was determined and should be about 50±10 μm.
      
(4) The original-location method, which corresponds with the traditional removal-location method, was founded and used to determine the SML thickness.
      
High-resolution transmission electron microscopy observation indicates that the nanocapsules are hollow-structured with a wall thickness of about 6 nm.
      
With the increase of DMF content, the multilayer thickness has a better linear growth relationship with the bilayer number, and the multilayer surface becomes smoother.
      
As a result, the lamella thickness of bulk samples and the samples prepared by the freeze-drying process from a solution of 2×10-5 g/mL was 19.3 and 12.6 nm, respectively.
      
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This communication reports the results of a study of the gravimetric deter- mination of lead as normal phosphate, known as Vortmann and Bader method, which has been recently examined by Hubicki and Rys. According to our findings, tartaric acid should be added only when antimony is present. With the addition of tarearic acid unusual large excess of precipitant as suggested by Vortinann and Bader is required for complete precipitation. The suitable pH range for the precipitation of tertiary lead phosphate is 6.5...

This communication reports the results of a study of the gravimetric deter- mination of lead as normal phosphate, known as Vortmann and Bader method, which has been recently examined by Hubicki and Rys. According to our findings, tartaric acid should be added only when antimony is present. With the addition of tarearic acid unusual large excess of precipitant as suggested by Vortinann and Bader is required for complete precipitation. The suitable pH range for the precipitation of tertiary lead phosphate is 6.5 to 10. Below pH 6.5, the precipitation will be incomplete, owing apparently to the formation of acid phosphate(s). Beyond pH 10, no experiment has been made, because no advantage is gained by working in such alkaline media. The concentration of the precipitant in sdlution after reaction should be within 0.00085-0.0033 molar in order to obtain good results. The precipitates may be ignited at any temperature from 650℃ up to at least 900℃. The practice of drying the pre- cipitates at 130℃ to constant weight suggested by Hubicki and Rys should be discarded, since the precipitates still contain noticeable amounts of water after drying to constant weight at that temperature. It is preferred to use the method of precipitation from homogeneous solution. With this technique in practice dense, crystalline and easily filterable precipitates are obtained; and small quantity of lead, as low as 5 mg, may be determined satisfactorily. The effect of presence of some alkali and ammonium salts has also-been studied.

本文報告用磷酸根測定鉛重量法的各種適宜條件。溶液的pH值應在6.5至10之間。過剩沉澱劑在溶液中的濃度應為0.00085——0.0033M。沉澱應在650℃-900℃間灼燒之;如在130℃乾燥,則沉澱內的水份不能完全驅盡。均勻沉澱可改善沉澱的性質,並可测定少至5毫克的鉛。如溶液中無銻,則不必加酒石酸。

As cinchonine is not produced in our country and the ignition of mercurous tungstate is a troublesome operation leads us to examine critically the determination of tungsten as barium tungstate.The results of our experiments reveal that barium tungstate should be precipitated from a boiling solution of pH 7.2—8.0 with a rather large excess of barium chloride. The concentration of the precipitant, after precipitation, should be maintained within eight tenth to two millimolar, in order to obtain acceptable results....

As cinchonine is not produced in our country and the ignition of mercurous tungstate is a troublesome operation leads us to examine critically the determination of tungsten as barium tungstate.The results of our experiments reveal that barium tungstate should be precipitated from a boiling solution of pH 7.2—8.0 with a rather large excess of barium chloride. The concentration of the precipitant, after precipitation, should be maintained within eight tenth to two millimolar, in order to obtain acceptable results. The barium tungstate precipitates may be ignited at 500—900°. When they are dried at 105 or 150°, they weigh several tenth milligrams heavier than that after ignition, presumably due to very small amounts of occluded water. The carbonate (from carbon dioxide in air and in water used) and chloride (from the precipitant) contents of the precipitates are negligible, being less than three and three to four parts per thousand respectively, while no precautions are taken to remove or guard against carbon dioxide con tamination. This method of determination may be used to estimate as low as six milligrams of tungsten trioxide. The exclusion of carbon dioxide during the determination, as suggested by Buscarons Ubeda et al and Duval et al, is found to be unnecessary. The influence of several ammonium, potassium and sodium salts are studied. Among them, sodium and ammonium acetates interfere the least, and potassium chloride the most. For detail please refer to Fig. 3 in this paper.

本文敍述用鎢酸鋇法测定鎢的適宜條件。沉澱應在pH7.2—8.0,微沸的溶液,用熱氯化钡溶液進行。沉澱劑應在沉澱後仍維持0.8—2毫克分子濃度。過低則沉澱不完全,過高則結果偏高。灼燒沉澱温度為500—900°。本法可以测定6毫克及以上的三氧化鎢。沉澱中的碳酸鹽(<3‰)和氯化物(當沉澱劑過量为50—100%時,3—4‰)均可不顧。隔絕或除去二氧化碳也無必要。幾種銨、鉀和鈉鹽的影響亦曾加以探討。

5-Aminothiazolinethiocarboxylic acid-2-amide may be used as a reagent forpalladium (II). The identification limit was found to be 0.003γ(1 : 1,000,000),when the detection was carried out on paper with neutral or weakly acidicsolutions. Among 34 cations studied, only Cu(II), Pt(IV), Fe(III), Ag(I),Au(III) and Hg(II) interfered in neutral or weakly acidie solution. If spotchromatographic method or paper chromatographic method were used, Pd(II)may be detected in the presence of considerable amount of those interferingcations....

5-Aminothiazolinethiocarboxylic acid-2-amide may be used as a reagent forpalladium (II). The identification limit was found to be 0.003γ(1 : 1,000,000),when the detection was carried out on paper with neutral or weakly acidicsolutions. Among 34 cations studied, only Cu(II), Pt(IV), Fe(III), Ag(I),Au(III) and Hg(II) interfered in neutral or weakly acidie solution. If spotchromatographic method or paper chromatographic method were used, Pd(II)may be detected in the presence of considerable amount of those interferingcations. The acidity influenced the colour intensity and precipitation. At pH<1, abrownish red precipitate was formed, which was redissolved as pH reached3--4 forming an orange red solution. It changed to orange yellow and becameturbid at pH 5. At pH 6--8, a turmeric yellow precipitate was formed. By means of continuous variation method, the ratio of reagent to palladiumwas found to be 3 : 2 at pH 4. The colour intensities obeyed Beer-Lambert's law in the concentrationinterval 0.3--0.8 mg Pd/10 ml solution. Palladium may be precipitated in ammoniacal solution with this reagent.The precipitate decomposed on drying at higher temperature, but it may beignited to metallic palladium and weighed as such. The results agreed wellwith those obtained by means of dimethylglyoxime.

5-氨基噻唑啉-2-硫代甲酰胺可用作钯(Ⅱ)试剂。在中性溶液中生成棕红色沉淀,在碱性溶液中生成姜黄色沉淀。检出限度0.003γ(1:1,000,000)(纸上点滴分析)。在中性及弱酸性溶液中只Cu~Ⅱ、Pt~Ⅳ、Fe~Ⅲ、Ag~Ⅰ、Hg~Ⅱ及Au~Ⅲ可能干扰。采用色层分析可在上述干扰离子存在下检出钯(Ⅱ)。在pH3—5形成红色溶液;pH6—8生成沉淀;pH>9沉淀又渐溶,溶液变黄。在pH=4时试剂与钯(Ⅱ)的作用比为3:2。钯浓度在0.3—0.8毫克/10毫升之间时,符合Beer-Lambert定律。用该化合物又可做钯的重量分析。

 
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