• Connected to these processes is an increase of the diffusion resistance for CO2 from the atmosphere into the leaf.

    这些过程相联系CO2大气进入叶内的扩散阻力增大

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  • The gasification reaction rate would reduce because ash would melt, which will plug the coal surface pores and increase gas diffusion resistance.

    高温煤灰发生熔融将会堵塞煤焦表面孔隙增大气体扩散阻力,降低气化反应速率

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  • Water leaching dynamic of chromium is discussed in this study. The result indicates that this water leaching reaction belongs to diffusion resistance model.

    本文还对焙烧-过程中水浸动力学模型进行了讨论,研究结果表明该水浸反应的动力学模型属于孔扩散模型。

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  • It contains nutritious elements and rich water, and has high diffusion resistance in soil of retaining in the applied position reaching the delay-releasing effect.

    含有营养元素液体土壤中的扩散阻力陡增,长时滞留于追施部位达到液体肥料缓释的效果

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  • The results indicate that the diffusion process of oxygen and nitrogen in carbon molecular sieve is activated, such an process may be represented by the dual diffusion resistance model.

    结果表明分子筛中的扩散活化扩散,过程可用孔模型进行描述。

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  • This model takes into account both the diffusion resistance of the membrane phase in non-steady state and the diffusion resistance of the external phase boundary film and the membrane leakage.

    模型不仅考虑了非稳态扩散阻力而且还考虑外相边界层扩散阻力膜破裂。

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  • The unit operation, a solid particles of dust and impurities by gravity, inertia diffusion, contact resistance leave, static comprehensive effect, dust settlement piling up in filtering elements.

    机组运行时,大量灰尘固体颗粒杂质由于重力、惯性扩散接触静电等综合作用,灰尘沉降堆积过滤元件上。

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  • The determination of material structure, performance parameters and membrane resistance, membrane diffusion coefficient of the F4112 ion exchange membrane were introduced.

    介绍了F4112离子交换材料结构性能参数电阻、膜中扩散系数的测定方法。

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  • Reaction rate constant, effective diffusivity, apparent activation energy, effective diffusion activation energy and resistance in various steps of the reaction process were analyzed in this paper.

    并对反应速率常数有效扩散系数、表观反应活化能和有效扩散活化能反应过程步骤阻力进行了分析。

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  • The results show: external diffusion is control process for mass transfer, and increasing air velocity and decreasing particle diameter are effective measures to decrease mass transfer resistance.

    研究结果表明扩散过程质的控制步骤增大风速减小吸附剂颗粒直径减少传质阻力的有效措施

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  • The resistance of stomatic diffusion, evapotranspiration rate and daily progress of water potential in leaves of the four kinds of crops were determined at the same time in their heading stages.

    作物抽穗期同时测定气孔扩散阻力蒸腾速率叶水势日变化。

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  • This instrument has been used to measure the sheet resistance distribution for Boron diffusion chip.

    并用仪器测定扩散薄层电阻分布

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  • This instrument has been used for measuring the sheet resistance distribution for Boron diffusion chip.

    并用仪器测定扩散薄层电阻分布

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  • The results show: external diffusion is the main resistance for mass transfer, and increasing air velocity and decreasing particle diameter are effective measures to decrease mass transfer resistance.

    研究结果表明扩散过程质的主要阻力增大风速减小吸附剂颗粒直径减少传质阻力的有效措施

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  • The different effects of external sorption, adsorption and diffusion on mass transfer resistance are discussed and the resistance model of membrane mass transfer was built.

    讨论了界面吸附、脱附扩散阻力不同影响,建立薄膜传质的串联阻力模型

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  • HEPA supply outlet diffusion perforation panel influences cleanroom air velocity field, cleanliness, cleanliness recovery characteristic and resistance of the diffusion panel.

    高效过滤器送风扩散的开孔情况影响着室内、室内空气洁净度洁净室自净时间扩散阻力

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  • The experiment results indicate that the nano-ceramic coating can retard inward diffusion of oxygen, which can obviously improve oxidation resistance of the alloy at high temperature.

    实验结果得出:纳米陶瓷涂层有效阻滞合金高温氧化进程,极大的提高合金的高温抗氧化性能。

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  • The main conversion efficiency of solar cell factors such as stray resistance, diffusion length and compound rate were analyzed, too.

    寄生电阻扩散长度表面复合速率影响太阳能电池转换效率主要因素进行了深入分析。

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  • The effects of the voids in the diffusion layer on cyclic oxidation and spalling resistance of aluminized steel was investigated.

    研究热浸渗铝扩散空洞循环氧化剥落性能影响规律及其机理。

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  • The experimental results on commercial pure titanium verify the obvious changes in the microstructure, hardness and wear resistance after laser solid diffusion treatment.

    工业初步试验结果表明激光进行固态扩散渗氧处理可以明显改变表层组织、硬度耐磨性

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  • The electric-resistance method is employed to study the diffusion of nitrogen in steel.

    电阻研究扩散规律。

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  • The results of experiments showed that the Nb can raise the depth of diffusion zone, hardness, wear resistance, strength and toughness of the nitriding layer of the matrix steel.

    实验结果表明增加扩散深度硬度耐磨性,提高韧性。

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  • The mesoscale pores are benefit to the diffusion of larger molecules with low resistance, while the micro-scale pores can provide effective catalytic sites of small molecules with high selectivity.

    允许大分子进入孔道同时具有较小扩散限制,微孔则作为分子的吸附场所,使小分子能够很好的催化

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  • The preparation of Al, Si and other elements co-diffusion coating and the mechanism of its high-temperature corrosion resistance were went into details.

    其它元素的共渗制备工艺及其高温腐蚀机理进行详细讨论

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  • The invention provides a light diffusion sheet excellent in dimensional stability, light resistance, light diffusion characteristics, thermal stability, brilliance, and recyclability.

    发明提供尺寸稳定性、耐、光扩散性稳定性、辉度和资源再利用性优异的光扩散

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  • Nitriding and oxidation: diffusion layer and oxidation layer improve soldering resistance, adhesion resistance and crack resistance.

    氮化扩散氧化层:可以提高模具溶损性、耐过烧性、耐粘着性和耐热性。

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  • Methods According to the routine separation methods fastidious bacteria of the respiratory tract were isolated, and using K-B disc diffusion test their drug -resistance was detected.

    方法细菌学常规方法分离标本中采用K - B纸片扩散法进行检测

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  • METHODS Diffusion tests were used to measure the antibiotic sensitivity of bacteria isolated from the patients with bacterial peritonitis, and resistance was analysed according to NCCLS standard.

    方法用纸片扩散法腹腔感染患者分离细菌进行试验NCCL S标准判断细菌耐药性。

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  • Through a great deal of experiments, the durability of HPC with artificial sand are studied systematically. Impermeability, freezing resistance and chloride ion diffusion are tested.

    通过大量试验系统研究人工高性能混凝土耐久性对抗渗性抗冻性、离子扩散系数等项目进行了测试。

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  • Through a great deal of experiments, the durability of HPC with artificial sand are studied systematically. Impermeability, freezing resistance and chloride ion diffusion are tested.

    通过大量试验系统研究人工高性能混凝土耐久性对抗渗性抗冻性、离子扩散系数等项目进行了测试。

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