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  reference
     A Potentiometric Method for Determination of Sulfide Ion with pH Glass Electrode as Reference Electrode in Acid Media
     在酸性介质中用玻璃pH电极作参比电极测定硫离子的新方法
短句来源
     Quantitative Estimation of Symbiotic Nitrogen Fixation of Soybean with Reference to Graminaceous Crops
     用禾本科作物作参比估测大豆共生固氮量
短句来源
     STUDIES OF SnO_2-BASED ELECTRODE USED AS REFERENCE ELECTRODE IN MOLTEN BATH OF ALUMINIUM ELECTROLYSIS
     用SnO_2基电极作炼铝电解质中参比电极的初步研究
短句来源
     Study on Solid State Reference Electrode
     固体参比电极的研究
短句来源
     The Investigation of Reference Field Effect Transistor (REFET) and Integratization With ISFET
     参比场效应晶体管(REFET)及其与ISFET集成化的研究
短句来源
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  state reference
     Study on Solid State Reference Electrode
     固体参比电极的研究
短句来源
     An Ag/AgCl solidstate reference electrode prepared by using ureaformaldehyde resin as the frame material and KCl as the active material was constructed.
     改进了以脲醛树脂为框架以KCl为活性物质的全固态Ag/AgCl参比电极。
短句来源
  refer ratio
     dividing light. Using two neutral filter disks as solid refer ratio increases refer ratio and reaches linearity range expansion by 0.5mm chromo-photometer utensil.
     采用两块中性滤光片迭加作为固体参比来增大参比 ,同时使用 0 .5cm比色皿以达到增大线性范围的目的。
短句来源
  primary reference
     It is very import to understand the low-temperature oxidation mechanism of the primary reference fuels, because HCCI combustion is controlled by the chemical kinetics.
     由于HCCI燃烧主要受化学动力学控制,研究碳氢燃料特别是参比燃料的化学动力学反应,有助于理解燃料性质对HCCI着火与燃烧的影响与控制。
短句来源
     Oxidation Characteristics at Low Temperature for Primary Reference Fuels by Accelerating Rate Calorimeter (Ⅰ)
     用加速量热仪研究参比燃料的低温氧化特性(Ⅰ)
短句来源
     Oxidation Characteristics at Low Temperature for Primary Reference Fuels by Accelerating Rate Calorimeter (Ⅱ)
     用加速量热仪研究参比燃料的低温氧化特性(Ⅱ)
短句来源
     A single-cylinder HCCI combustion experiment was carried out on a high-speed 4-cylinder diesel engine fueled with different primary reference fuel (PRF) blends. The effects of research octane number (RON) of fuel, the temperatures of engine coolant and intake air and the exhaust gas circulation (EGR) rate on the combustion and emission characteristics of HCCI engine were studied.
     对不同辛烷值基本参比燃料及其混合物在高速4缸柴油机上进行单缸HCCI燃烧试验,研究了燃料辛烷值、发动机冷却水温度、进气温度以及冷EGR率对HCCI发动机燃烧特性和排放特性的影响。
短句来源
     An Experimental Study on Combustion and Emission Characteristics of HCCI Engine Fueled with Primary Reference Fuel Blends
     不同辛烷值参比燃料HCCI燃烧特性的试验研究
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      reference
    The authors extend and improve some known results, and show that there are some errors in reference on inequalities for sequence rearrangement by examples.
          
    The blank reference experiment shows that hydrothermal crystallization treatment favors the formation of hexagonal tungsten trioxide, and the tungsten trioxide powder sample prepared by this method has a high degree of crystallinity.
          
    This paper provides a reference on calculating the binding-site number in proteins for ligands and studying their interactions by fluorescence spectroscopic methods.
          
    The proposed algorithm can easily identify which sector the reference space vector falls in and conduct simple operations to find the duty cycle of each vector.
          
    The similar parts in MANET routing protocol are used in the satellite network for reference.
          
    更多          
      state reference
    Development of state reference samples of mercaptan sulfur content in petroleum products
          
    State reference samples were developed for determining the content of mercaptan sulfur in petroleum products, and a method for metrological certification of these samples by the certified measurement procedure was approbated.
          
    The results depend strongly on the assumptions made for the normal-state reference, especially the phonon contribution.
          
    Several attempts to produce conducting polymer based all-solid-state reference electrodes are presented.
          
    The titanium/hydrogen system as the solid-state reference in high-temperature proton conductor-based hydrogen sensors
          
    更多          
      primary reference
    Primary reference materials for chemical composition analysis - Proposal for an operational definition
          
    A metrologically motivated concept of a "Primary reference material (PRM)" for chemical composition analysis is proposed.
          
    Primary reference materials for chemical composition analysis - Proposal for an operational definition
          
    Work is also in process to establish their full traceability so that they can be issued as certified and primary reference materials.
          
    The review also discusses nutraceutical applications, regulatory issues, stability of IgG and the significance of primary reference material in IgG analysis.
          
    更多          


    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。

    The electrochemical method for the determination of metal chelate stability constants by means of potentiometric measurement with a mercury electrode has been applied to EDTA complexes of divalent metals at 30.0±0.1°in the presence of potassium nitrate. The basic principle of this method is based upon the exchange equilibria of the type

    本文改进Schwarzenbach和Reilley等所用的方法,用汞电极测得多种二价金属(Hg,Cu,Pb,Zn,Cd,Mn,Ca,Mg,Sr,Ba)的乙二胺四乙酸螯合物的稳定常数,结果见表5.实验条件:t=30.0±0.1°,μ=0.1,参比电极是0.1 M Ag-AgCl电极.溶液的组分浓度是 Hg:0.001 M HgY~(2-)+0.001 MY~(4-) Cu,Pb,Zn,Cd:0.0001 MHgY~(2-)+0.01 MMeY~(2-)+0.001 MMe~(2+) Zn,Cd,Mn,Ca,Mg,Sr,Ba:0.001 M HgY~(2-)+0.001 MMeY~(2-)+0.001 MMe~(2+) Schwarzenbach主张在测试溶液中预加若干金属汞,而Reilley等则未加.本文对CaY~(2-)作加汞与不加汞的试验,证明加汞并非必要.达到平衡的时间,无论加汞与否,都为十六小时.

    The results obtained from the spectraphotometric determinationof the complex of Tecl_5~- and butylrhodamine B with TBP—C_6H_6solution extraction are recommended as follows: (1) The concentration of hydrochloric acid is 4—6 N and butyl-rhodamml B (0.5%) 4 — 6ml. The absorbance of the organic layer ismeasured at 540nm using a reagent blank as a reference. (2) The molar extinction coefficient of the complex is 6.4×10~4,the ion - pair complex of compositon is Tecl_5~-·R~+. (3) The extraction reaction: Te~(4+) +...

    The results obtained from the spectraphotometric determinationof the complex of Tecl_5~- and butylrhodamine B with TBP—C_6H_6solution extraction are recommended as follows: (1) The concentration of hydrochloric acid is 4—6 N and butyl-rhodamml B (0.5%) 4 — 6ml. The absorbance of the organic layer ismeasured at 540nm using a reagent blank as a reference. (2) The molar extinction coefficient of the complex is 6.4×10~4,the ion - pair complex of compositon is Tecl_5~-·R~+. (3) The extraction reaction: Te~(4+) + H~+ + Cl_5~-?HTeCl_5 TeCl_5~- + R + ? [TeCl_5~-·R+] The exrtaction equilibrium constant is 1×10~5. (4) The effects of a number of foreign ions have been studied andseveral can be tolerated to an appreciable extent. The method hasbeen successfully applied to the determination of Te in SeO_2.

    介绍用TBP——苯溶液萃取光度测定Tecl_5~-与丁基罗丹明B终合物的如下结果: (1)盐酸浓度为4——6N,丁基罗丹明B(0.5%)4——6mI以试剂空白为参比在540nm处测量有机层的吸收。 (2)络合物克分子吸光系数为6.4×10~4,离子对络合物组成为Tecl_5~-.R~+。 (3)萃取反应为: Te~(4+)+H~++Cl_5~-?MHTeCl_5 TeCl_5~-+R+?[TeCl_5~-.R~+]萃取平衡常数为1×10~5. (4)研究了干扰离子的影响及其允许量;该方法已成功地用于二氧化硒中碲的分 离和测定。

     
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