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kinetics of corrosion
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  “kinetics of corrosion”译为未确定词的双语例句
     Study on the kinetics of corrosion of low carbon steel in HCl solution
     盐酸腐蚀低碳钢的动力学研究
短句来源
     The corrosion of cast iron by various sulphurous gases at high temperature follows the parabolic law, In this paper, the kinetics of corrosion of cast iron at high temperature in S, CS_2, H_2S and SO_2 of gaseous state are discussed with the principle of thermodynamics of irreversible process. Formulas of parabolic law are derived, and the mechanism of reaction is intererpreted.
     铸铁在含硫气体中的腐蚀遵循“抛物线定律”。 本文应用不可逆过程热力学原理讨论了铸铁在S、CS_2、H_2S、SO_2气体中的腐蚀问题,导出了抛物线定律公式,并进而解释了反应机理。
短句来源
  相似匹配句对
     Hydrolysis kinetics of C.
     采用反相离子对高效液相色谱法(HPLC)研究了C.
短句来源
     Absorbance and Kinetics of Photopolymerization
     吸光度与光聚合动力学
短句来源
     The reaction kinetics was studied.
     进行环柱形气相乙烯氧乙酰化合成乙酸乙烯酯催化剂的宏观反应动力学研究。
短句来源
     The mechanism and the kinetics are discussed.
     讨论了反应机理和动力学;
短句来源
     Corrosion
     腐蚀
短句来源
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  kinetics of corrosion
The thermogravimetric technique was used to establish the kinetics of corrosion.
      
The thermo-gravimetric technique was used to establish the kinetics of corrosion.
      
The thermogravimetric technique was used to establish kinetics of corrosion.
      
The thermogravimetric technique was used to establish kinetics of corrosion.
      
The thermogravimetric technique was used to establish the kinetics of corrosion.
      
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The corrosion of cast iron by various sulphurous gases at high temperature follows the parabolic law, In this paper, the kinetics of corrosion of cast iron at high temperature in S, CS_2, H_2S and SO_2 of gaseous state are discussed with the principle of thermodynamics of irreversible process. Formulas of parabolic law are derived, and the mechanism of reaction is intererpreted.

铸铁在含硫气体中的腐蚀遵循“抛物线定律”。本文应用不可逆过程热力学原理讨论了铸铁在S、CS_2、H_2S、SO_2气体中的腐蚀问题,导出了抛物线定律公式,并进而解释了反应机理。

On the basis of law of conservation of mass and charge and electrochemical kinetics of corrosion, a kinetic analysis has been performed on self-propagation process of pits under four typical conditions, i.e. hemispherical and cylindrical pits in the presence and absence of precipitation layer inside the pit. The time dependence of pitting current, depth and radius for the four kinds of pit was obtained. The summarized results demonstrate that the dependence of pitting current on time comply with four functions...

On the basis of law of conservation of mass and charge and electrochemical kinetics of corrosion, a kinetic analysis has been performed on self-propagation process of pits under four typical conditions, i.e. hemispherical and cylindrical pits in the presence and absence of precipitation layer inside the pit. The time dependence of pitting current, depth and radius for the four kinds of pit was obtained. The summarized results demonstrate that the dependence of pitting current on time comply with four functions of time, that are t1/2, t, t2 and t*ln(t), and each of them corresponds to a specific pattern of pitting growth. Furthermore, a general equation describing pitting current increasing with time has been put forward by linearly combining these extracted time functions. The resistance of participation layer plays an important role in pitting growth more obviously on hemispherical pits than on cylindrical pits. The possible ways to retard pitting growth by inhibitor and the necessary requirements for inhibitor were discussed. The kinetic equation established was validated from three aspects. The variation of pitting current with time for 304 stainless steel in NaCl solution under potential control can be explained well according to the equation. Second, the maximum increase of pitting current is the square of time and the minimum is square root. This result is confirmed by a great amount of previous studies. Finally, pit depth varies with time only as a function of power or logarithm. This is consistent with statistical analysis of pit depth data.

根据物质守恒、电荷守恒关系和电化学动力学,对球形、柱形蚀孔且其孔内存在和不存在沉积层,共四种典型状态下蚀孔的发展过程进行动力学分析,得到孔蚀电流、蚀孔深度和孔径随时间的变化关系。结果表明:孔蚀电流随时间发展共有四种特征函数,t~(1/2)、t、t~2和t~*ln(t),每一函数均对应特定的蚀孔发展状态.此四种函数构成一般蚀孔电流随时间关系的基集合,线性组合后得到普遍性孔蚀发展动力学方程。详细讨论了孔蚀发展与诸影响因素的关系,孔内沉积层存在与否及性能如何对蚀孔发展有显著影响,对球形孔的影响大于对柱形蚀孔。进而分析缓蚀剂抑制孔蚀发展的可能途径和效果,确定了孔蚀发展缓蚀剂须具备的条件;模型的正确性得到三方面结果的证实:实测304不锈钢在NaCl介质中孔蚀发展过程的电流关系,由建立的动力学方程给予了很好的解释。模型得到的孔蚀电流增长的最大方式是时间二次方,最小方式是平方根,与大量的文献结果吻合。孔蚀深度随时间仅有两种变化关系,幂函数和指数函数,与孔蚀深度的统计研究结果一致。

Studies on the kinetics of corrosion of low carbon steel ( w (C)=0.22%) have been carried out. The kinetic equation has been established based on the corrosion rates of low carbon steel obtained using colorimetric method at several temperatures and HCl concentrations. The optimum AS concentration for inhibition of corrosion has also been investigated. The results showed that corrosion rate increases steadily with the increasing of concentration of HCl while c(HCl) is over 5.0 mol·dm...

Studies on the kinetics of corrosion of low carbon steel ( w (C)=0.22%) have been carried out. The kinetic equation has been established based on the corrosion rates of low carbon steel obtained using colorimetric method at several temperatures and HCl concentrations. The optimum AS concentration for inhibition of corrosion has also been investigated. The results showed that corrosion rate increases steadily with the increasing of concentration of HCl while c(HCl) is over 5.0 mol·dm -3 . The optimum AS content in solution is 0.20 g·dm -3 . Parameter k is the corrosion rate when c (HCl) goes towards 0, and parameter B is the amount of increasing as c (HCl) rises in a unit.

研究了盐酸腐蚀低碳钢( w( C) 为022 % ) 的反应动力学.采用比色法分析了低碳钢在不同的温度和不同浓度盐酸中的腐蚀速率,确定了动力学方程及其参数, 并测定了在系统中加入缓蚀剂 A S 的最佳质量浓度. 结果表明: 在25℃,当c( H Cl) 大于500 mol·d m - 3 时,腐蚀反应呈匀速进行,且速率明显增大;缓蚀剂 A S 的最佳质量浓度为0 .20 g·d m - 3 ;动力学参数 k 是低碳钢在c( H Cl) 趋于零时的腐蚀速率, B 值反映了腐蚀速率随c( H Cl) 改变而变化的幅度.

 
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