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stabilizing
相关语句
  稳定化
    Reaction Activity and Stabilizing of the P-quinodimethane Intermediates and Their Application
    醌式中间体的反应活性和稳定化及其应用
短句来源
    Study on the Methods of Purifying and Stabilizing Perchloroethylene
    四氯乙烯的纯化和稳定化方法
短句来源
    Stabilizing and Applications of Zirconia
    二氧化锆的稳定化及其应用
短句来源
    Using 4-Methy1-2, 6-di-tert-butylphenol as a oxidation-resistant stabilizing agent,we have studied stabilization of polyacetylene.
    用2,6-特丁基4-甲基苯酚作为抗氧稳定剂,研究了聚乙炔的稳定化
短句来源
    Considering these effect fac-tors, methods for stabilizing bilirubin and biliverdin were developed. Meanwhile,the interac-tion mechanisms concerned were discussed.
    针对这些影响因素,探索了胆红素、胆绿素的稳定化途径和稳定化机制。
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  “stabilizing”译为未确定词的双语例句
    Study of Organic Phosphonocarboxylic Acids as Water Stabilizing Agent Ⅱ. Synthesis of 2-Phosphonobutane-1,2,4-tricarboxylic Acid
    有机膦酸羧酸型水质稳定剂的研究——Ⅱ.2-膦酸丁烷-1,2,4-三羧酸的合成
短句来源
    A New Approach for Stabilizing Organouranium Dichloride:Synthesis and X-ray Structure of (MeOCH_2CH_2C_5H_4)_2UCl_2
    A New Approach for Stabilizing Organouranium Dichloride: Synthesis and X-ray Structure of (MeOCH_2CH_2C_5H_4)_2UCl_2
短句来源
    The effects of three stabilizing agents (YJ101,YJ102,YJ103) for water quality on the zinc electrolysis process in industrial electrolytic zinc purified water reused system were investigated by linear sweep voltammetry,Tafel plot and alternating current(AC) impedance.
    采用动电位扫描、Tafel极化以及交流阻抗等电化学测试技术研究工业电解锌净化水回用系统中3种水质稳定剂(YJ101,YJ102.YJ103)对锌电解过程的影响。
短句来源
    Stabilizing Effect of Gelatin on the Foam Made from Sodium Dodecyl Sulfate/Cetylpyridinium Bromide Mixtures
    明胶对十二烷基硫酸钠/十六烷基溴化吡啶复配体系泡沫的稳定作用
短句来源
    Study on the Stabilizing Conditions of W/O Microemulsion for CTAB~n-Butanol/Cyclohexane/Water System
    CTAB~n-C_4H_9OH/c-C_6H_(12)/H_2O体系W/O微乳液稳定性研究
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  stabilizing
This study revealed the formation and the detailed structure of water layers on HAP surfaces and suggested that the interfacial water played an important role in stabilizing the HAP particles in aqueous solutions.
      
Calcium divalent cation was effective in stabilizing the enzyme, especially at higher temperatures.
      
Circular dichroic spectra suggested an essential role of β structures in stabilizing the protein globule.
      
The protein-based medium displayed a greater stabilizing effect particularly on HRP-steroid conjugates.
      
It is suggested that MEC acts as an endogenous stabilizing agent for bacterial cells subjected to oxidative stress and as an immunomodulator for eukaryotic hosts.
      
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The ethyl xanthate reaction for molybdenum is sensitive and is not interfered by tungsten, vanadium, chromium (Ⅲ) and uranium. Hence it is desirable to investigate it further as a method of determination. The results found are as follows:The acidity of the aqueous solution in which the molybdenum-xanthate complex forms should be adjusted to pH 1.11-1.56. And the complex is stable only for one minute in the media mentioned. The addition of acetone (2-25%) to the aqueous solution does not stabilize the complex...

The ethyl xanthate reaction for molybdenum is sensitive and is not interfered by tungsten, vanadium, chromium (Ⅲ) and uranium. Hence it is desirable to investigate it further as a method of determination. The results found are as follows:The acidity of the aqueous solution in which the molybdenum-xanthate complex forms should be adjusted to pH 1.11-1.56. And the complex is stable only for one minute in the media mentioned. The addition of acetone (2-25%) to the aqueous solution does not stabilize the complex to a notable degree.For extraction of the molybdenum-xanthate complex, ten organic solvents, namely petroleum ether, benzene, toluene, chloroform, carbon tetrachloride, chlorobenzene, diethyl ether, isoamyl alcohol, amyl acetate and isobutyl methyl ketone, are tested with respect to (a) the stability of the complex in these solvents (using optical density of the extracts as a measure) and (b) the effectiveness of various solvents in extraction. The complex is most stable in petroleum ether and toluene (at least for three days). The color of the complex in benzene is stable for fourteen minutes; in chloroform, ten minutes; in chlorobenzene, seven minutes and in carbon tetrachloride, six minutes. On the other hand, diethyl ether, isoamyl alcohol, amyl acetate and isobutyl methyl ketone are unsuitable for extracting the complex. Under similar conditions, various amounts of moly bdenum are extracted with different organic solvents, and the results obtained are plotted in Fig. 3. From the curves, it is found that among the organic solvents studied the following ranges of molybdenum content obey Beer's law: in chlorobenzene, 0-0.4 mg Mo; in benzene and in toluene, 0-0.3 mg Mo; and in chloroform and in carbon tetrachloride, 0-0.2 mg Mo. Petroleum ether can only be used with very low concentrations of molybdenum, and this is in accordance with Malowan's result.

本文證實溶液酸度对乙黃原酸钼錯合物的穩定度有影響。溶液的酸度最好調節在pH1.11—1.56之间。該钼錯合物生成后在水中僅穩定一分钟,故應在此期間以內用有機溶劑抽提。在丙酮-水溶液中,該钼錯合物亦不穩定。本文試驗了十種有機溶劑作抽提劑,比较了乙黄原酸钼錯合物在其中的穩定性和不同量钼的抽提效果。找出對該钼錯合物的穩定性而言,以石油醚和甲苯為最好。苯、三氯甲烷、四氯化碳和氯代苯次之(在一定的時間內可以使用),而乙醚、異戊醇、乙酸戊酯和異丁基乙酮,則均不適於作抽提之用。对抽提效果而言,氯代苯在钼含量0—0.4毫克範圍內遵循Beer定律;苯及甲苯次之;三氯甲烷或四氯化碳又次之;石油醚最差。根據上述,擬推荐甲苯作為最适宜之抽提劑。

The binary uniform heteronuclei conjugated molecules are treated as the combina-tion of two parts,each part being a homonuclei conjugated system,and the calculationof energy levels and molecular orbitals is reduced to the ealculation of that of adiatomic molecules,and is,therfore,greatly simplified.The stabilizing energy of theπ electrons of 1,3,5-trinitrobenzene is calculated.

本文提出把二元均杂核共轭分子的能级与分子轨道的计算分解为两个均核共轭分子的相互作用来计算.本法简化为双原子分子形式的能级与分子轨道的计算.这样计算工作量可以大大减少.本文报导了1,3,5-三硝基苯分子的π电子稳定能的计算.

Significant loss of mercury can be prevented in the electrothermal atomizer duringdesolvation and charring stages when microgram amounts of noble metals such as gold,platinum and palladium are used as stabilizers to modify the matrix.A charringtemperature up to 500℃ may be tolerated in the presence of palladium,which is 200℃higher than that obtained with the use of sulfide reported in the literature.Thehigher charring temperature is a distinct advantage for electrothermal atomic absorp-tion spectrometry since...

Significant loss of mercury can be prevented in the electrothermal atomizer duringdesolvation and charring stages when microgram amounts of noble metals such as gold,platinum and palladium are used as stabilizers to modify the matrix.A charringtemperature up to 500℃ may be tolerated in the presence of palladium,which is 200℃higher than that obtained with the use of sulfide reported in the literature.Thehigher charring temperature is a distinct advantage for electrothermal atomic absorp-tion spectrometry since organic compounds can be easily burnt off,and hence molecularabsorption eliminated.To examine the stabilization effect of noble metals on mercury in the electrothermalgraphite atomizer HGA-72,20μl of several 1 ppm mercury solutions containing gold,platinum and palladium respectively were injected into the furnace,and the absorbanceof mercury was measured at 2537 for various charring temperatures.The experimentalresults showed that the loss of mercury is serious even at 100℃ when no stabilizer wasadded,but if adequate amounts of gold,platinum and palladium are present,thecharring temperature could be raised to 250℃,300℃ and 500℃ respectively.Themechanism of the stabilizing effects may be due to the formation of more stable amal-gam.Based on the phenomena observed,an analytical method for the determination oftrace amount of toxic mercury in waste water is suggested.The effects of foreign ions on the determination of mercury were studied.It wasfound that thousand times the amounts of Ag(Ⅰ),Al(Ⅱ),As(Ⅲ),Ba(Ⅱ),Cd(Ⅱ),Co(Ⅱ),Cr(Ⅳ),Cu(Ⅱ),Fe(Ⅲ),K(Ⅰ),La(Ⅲ),Mg(Ⅱ),Mo(Ⅳ),Na(Ⅰ),Nb(Ⅴ),Ni(Ⅱ),Pb(Ⅱ),Rb(Ⅰ),Sb(Ⅲ),Si(Ⅳ),Sr(Ⅱ),Ta(Ⅴ),W(Ⅳ),phosphate,sulphate,EDTA,citrate,tartrate do not interfere with the determination.Various known amounts of standard mercury were added to a series of syntheticwaste water to give a range of mercury concentrations of 0. 010~0. 080 ppm in thepresence of palladium.Average recoveries were found to be 80~110%.This recommended technique should lend itself very well to the practical analysisof mercury in waste water samples.Trace amount (0. 5 ng) of mercury can bedetermined without any pretreatment.Detection limit of the method,defined here asa quantity of analyte which will produce an absorbance equal to twice the noise,wasfound to be 0. 2 ng of mercury if a volume of sample solution of 100μl was taken.

微克量贵金属可以改进基体,以防止汞在干燥和灰化过程中的严重损失.钯存在时,最高允许灰化温度为500℃,比应用硫化铵所能达到的灰化温度高200℃,并且干扰少,又不需要任何分离步骤,可用以测定废水中的痕量(0. 2毫微克)汞.

 
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