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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
For sand, the critical state frictional dissipation constant is required in addition to the stress ratio at the peak of the yield surface.
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The equation of the flow rule requires the specification of the critical state dissipation constant, plus one additional parameter.
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The forcing f supplies the energy dissipated via a dissipation constant D.
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| | The mechanism of atom formation for As, Sb, Se and Te in graphite furnace atomic absorption Spectrometry was studied through a combined thermodynamic and kinetic approach. The rate of atom formation (K) at a given temperature was calculated by using the corresponding absorbance(At)and the maxinum absobance (Amax) :K = Kd×At/(Amax- At) where Kd is the dissipation constant. An Arrhenius plot obtained should yield a straight line with a slope of - Ea/R. The .vaporization mechanism was clarified by ... | | 本文应用热力学和动力学相结合的方法研究了石墨炉原子吸收法中As、sb、se、Te的原子化机理。应用作者早先提出的公式 k=kd×(At/(A_(max)-At))计算温度下的原子形成常数k,绘制Arrhenius图。通过直线斜率得到的原子化活化能来确定各元素的原子化过程。实验表明,As和se是以固态金属进行原子化,而Sb则与介质有关,在盐酸介质中以气相氯化物解离原子化:在硝酸介质中以双原子分子原子化。Te与Sb类似,且与灰化温度有关。 | | 文摘来源 | | From the combination of theory and eperimentation, the paper presents the determination of heat dissipation constant of calorimeter. | | 本文从理论和实验的结合上给出了量热器中散热系数的确定方法。 | | 文摘来源 | |   |
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