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电解电位
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  cathode potential
     Under the conditions of constant temperature and composition of the melt, the nature of the deposit depends on the electrocrystallisation time and cathode potential.
     在一定熔体组成及温度下,沉积物的性质依赖于电解时间及电解电位
短句来源
     The amorphous Gd-Ni alloy films were obtained by potentiostatic electrolysis. The content of Gd in the Gd-Ni deposits changes with the cathode potential,molar ratio of Gd~(3+)/ Ni~(2+) and the electrolysis time.
     由恒电位法电解得到的Gd-N i合金,Gd(0)的含量随电解电位、Gd(Ⅲ)/N i(Ⅱ)摩尔比及电解时间的变化而变化.
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  “电解电位”译为未确定词的双语例句
     The optimum conditions are: NaC1 0.16mol/L; PAN6.0×10 -6 mol/L; ethyl alcohol 10%(V/V);
     其适宜条件为:NaCl016mol/L,PAN60×10-6mol/L,乙醇10%(V/V),电解电位000V(vsSCE)。
短句来源
     Under normal ambient temperature, the pressure of 1.2 MPa and the potential of -0.5 V, the faradaic efficiency reached the highest value of 19.8%.
     常温下,压力为1.2MPa,电解电位-0.5V,产生的CO法拉第效率最大,为19.8%。
短句来源
     Under the condition of electrolyte potential-0.75V and molar ratio of Gd(Ⅲ)/Ni(Ⅱ)1:1,the alloy film obtained after electrolysis 20 min is amorphous state.
     控制电解电位为-0.75 V,Gd(Ⅲ)/N i(Ⅱ)摩尔比为1∶1,电解20 m in. 所得合金膜是非晶态的.
短句来源
     Result Under normal ambient pressure, the temperature of 273 K and the electric potential of -1.5 V, the faradaic efficiency of CO reached a maximum value of 16.1%.
     结果常压下,温度为273K,电解电位-1.5V,产生的CO法拉第效率最大,为16.1%;
短句来源
     In a system of DMF+EtOH + H2O+Bu4NBr. The hydrogen content of the hydrogenated refined pitch increased by1.11 and the atomic ratio of hydrogen/carbon increased by 0.18 at a temperature of 303K,electrolysis potential of-2.4V(Vs SCE)and electrolysis time of 24h.
     结果表明,在[DMF]:[EtOH]:[H_2O]=3:2:2,[Bu_4NBr]=0.13mol的体系中,当温度为303K,电解电位为-2.4V,电解24h后,所得氢化精制沥青中的氢含量比精制沥青增加了1.11,氢碳原子比增加了0.18。
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  相似匹配句对
     Proper electrolytic potential was found.
     找到了合适的电解电位.
短句来源
     COMPUTER-CONTROLLED BULK ELECTROLYSIS WITH COULOMETRY
     计算机控制恒电位电解库仑法
短句来源
     CONE BIPOLAR ELECTROLYSIS
     锥面双极电解
短句来源
     DESULFURIZATION OF CAST IRON BY ELECTROLYZING SLAG
     铸铁的电解去硫
短句来源
     The Disposing Techniques of Evoked Potentials
     诱发电位的处理技术
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  cathode potential
Effect of Cathode Potential on Electrosynthesis and Physicochemical Properties of Styrene and Methyl Methacrylate Copolymers
      
Simple formulas for the total current, the cathode sheath thickness, and the cathode potential drop as functions of the electric field on the cathode surface are derived.
      
A vircator with an inhomogeneous external magnetic field superimposed onto the cathode-anode-virtual cathode potential well was studied by methods of computer modeling.
      
The passage to a discharge with predominant photoemission leads to a decrease in the cathode potential fall region, a drop in the ion current to the cathode, and an increase in the efficiency.
      
The changes in resonance frequency were analyzed as a function of the electrode potential, indicating that the process depended not only on the electrode material but also on the cathode potential.
      
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The results of the determination, obtaincd by Standard Addition method are fairly good. the detection range is from 10 to 360 ppb, Recovery is about 90—110%, The Variation coefficent of copper and lead is lower than ±10%. The application is studied of Anodic stripping Voltammetry in the determination of traces of copper and lead in beer, in which the glassy carbon electrode is Used. Various working conditions such as deposition potential. deposition time and scanning rate are selected.

本文主要介绍了阳极溶出伏安法在啤酒成分中痕量铜铅离子的分析方法,用玻碳电极为工作电极,以醋酸—醋酸钠缓冲液为底液,对铜铅离子进行了本方法的条件试验,选择了理想的电解电位、电积时间、扫描速率等条件。酒样用标准加入法,所测铜铅的实验数据有较好的重现性,铜铅测定范围可达10—360 ppb,回收率在90—110%之内,变异系数<±10%。

Analogue instruments for potentiometric stripping analysis (P.S. A) and differential potentiometric stripping analysis (D. P. S. A) are difficultin accurately controlling pre-electrolyse potential, and elminating the backgro-und. For P. S. A., it is very diffioult to measure the stripping transition time,unable to amplify parameter of time, so the sensitivity and resolution of anal-ogue instruments are not so well. This system employs a DBJ-Z80 single boardcomputer accompanied with proper interfaces of ADA,...

Analogue instruments for potentiometric stripping analysis (P.S. A) and differential potentiometric stripping analysis (D. P. S. A) are difficultin accurately controlling pre-electrolyse potential, and elminating the backgro-und. For P. S. A., it is very diffioult to measure the stripping transition time,unable to amplify parameter of time, so the sensitivity and resolution of anal-ogue instruments are not so well. This system employs a DBJ-Z80 single boardcomputer accompanied with proper interfaces of ADA, controlling circuits andprograms. We computerize the both P. S. A. and D. P. S. A. methods in this system. Itcan use only once experimental data to give the two analysis results of thetwo analysis methods. The experimental curves agree with the theoretical curveequations of P. S. A. and D. P. S. A. The experiment results can be printed outand experiment curves can be drawn with a x-y recordor. The accuracy, thesensitivity, and the resolution of this system are superior to those of analogueinstruments, and it has reached the same level as the same kind of computer-controiling instruments made abroad.

常规电位溶出分析(P.S.A)和微分电位溶出分析(D.P.S.A)的模拟仪器[1][2],难于准确控制预电解电位和扣除背景。对P.S.A而言,难于准确记录溶出过渡时间,无法放大时间参量。因此,模拟仪器的灵敏度、分辨率较差。为解决上述问题,本系统采用DBJ-Z80单板机,配以相应接口、控制线路及软件,根据P.S.A理论曲线方程[3]和我们推导的D.P.S.A理论曲线方程,在该机上实现了一次实验就可分别给出P.S.A和D.P.S.A两种分析结果。实验结果可用X-Y记录仪绘出实验曲线,也可打印输出,或两者同时给出。在该机上验证了D.P.S.A理论,结果与理论相符。分析的准确度、灵敏度、分辨率均优于模拟仪器,达到了国外微机控制的同类仪器[4]~[7]水平。

A sensitive method for indirect determination of trace pyridine (Py) and phenol (Ph) is developed. Electrodeposition was established on the surface of glass carbon electrode at - 0.9v(vs.SCE) in a base solution containing Cu2+, HgCl2, and salicylic acid (H2Sal). A stripping peak current of copper Cip')was shown by potantial scanning reversely.Then, the glass carbon electrode was moved into the.base solution containing pyridine and phenol. Since a ternary complex Cu2+- Py-Sal and Cu2+ -Ph-Sal was formed, the...

A sensitive method for indirect determination of trace pyridine (Py) and phenol (Ph) is developed. Electrodeposition was established on the surface of glass carbon electrode at - 0.9v(vs.SCE) in a base solution containing Cu2+, HgCl2, and salicylic acid (H2Sal). A stripping peak current of copper Cip')was shown by potantial scanning reversely.Then, the glass carbon electrode was moved into the.base solution containing pyridine and phenol. Since a ternary complex Cu2+- Py-Sal and Cu2+ -Ph-Sal was formed, the stripping peak current of copper decreased (ip') and varied linearly with the concentration of pyridine or phenol. The limits of detection were found to be 1 × 10-11 mol/L for pyridinc and 4 × 10- 2mol/l for phenol.

基于酚和吡啶可以分别与Cu~(2+)和水杨酸生成稳定的三元络合物,酚或吡啶的存在会抑制铜离子在玻炭电极上还原富集,使铜的微分溶出峰电流i_p′减小,根据溶出峰电流的减水值Δi_p,可以间接测定酚和吡啶。工作电极为玻炭电极,预电解电位为-0.9V(vs.SCE),铜的微分溶出峰值电位为-0.25V(vs.SCE)。本文对测定条件,干扰及其消除方法进行了研究。测得酚的下限为4×10~(12)mol/L,而吡啶的下限为1×10~(-11)mol/L,提出了一个灵敏,准确、简便的测定地面水和空气中痕量酚和吡啶的方法。

 
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