The diffusion rate
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The diffusion rate was the most insensitive to temperature .
扩散速率对温度的敏感性最小。
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The diffusion rate of silver was 100 % , and the purity of silver nitrate was up to 99.5 % .
银的浸出率可达100%,制备的硝酸银纯度可达99.5%以上。
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In addition , for the diffusion rate d ≠ 1 case , we obtain some elementary spectral properties of the linearized operator around the wave .
另外,我们还初步得到了扩散系数d≠1时线性化算子的谱性质。
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But if the diffusion rate of varies charge carrier in electrolyte is different , so the voltage drop which passed electrolyte would change in square .
但是如果电解质中各类电荷载流子的扩散率是不相同的,那么,通过电解质的电压降将是二次方地变化。
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The diffusion rate of Sn and Mg in Sn electroplated layer is faster than that of Sn in the Zn / Sn plated multi-layer .
单独镀锡层锡与镁的扩散速度大于Zn/Sn叠层中锡与镁的扩散速度。
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The diffusion rate of C atoms was bigger than Si atoms . ( 3 ) The solid state reaction between 3D-Meshy SiC / 20Cr interface was under the control of Fe diffusion .
在反应区中,C原子的扩散速率大于Si原子。(3)三维网络SiC/20Cr界面发生固相反应受Fe在反应区中的扩散所控制。
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Oxygen sensor of limiting current type with a porous layer on platinum film electrode to limit the diffusion rate of oxygen was fabricated using the solid electrolyte of nanocrystalline ( 20 ~ 30nm ) YSZ based .
制作了以纳米(20~30nm)YSZ粉体为原料的电解质基片、Pt电极上带有多孔涂层的扩散控制极限电流型氧传感器。
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We proposed that the diffusion rate of carbon in nano-catalyst particles was the key step in the period of the growth of the carbon nano-fiber , which determined the fiber growth rate on the different points of the face of nano-catalyst particles .
我们分析认为,在碳纳米纤维的生长过程中,碳在催化剂粒子中的扩散速度是控制步骤,并且决定催化剂粒子晶面上不同生长点的纤维生长速度。
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Based on the diffusion rate of oxidizing species to nozzle surface and Al 2O 3 deposition on the nozzle surface , during firing tests of the solid rocket motors , an engineering method of ablative calculation for C / C throat insert is presented .
根据固体火箭发动机燃烧中氧化性组分扩散控制喷管喉衬烧蚀和A12O3沉积对喉衬的保护,提出C/C喉衬稳态烧蚀的工程计算方法。
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The Innovation Diffusion Rate Model and Its Empirical Analysis
技术创新扩散速度模型及实证分析
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By using high concentration of methanol , better performance at higher current density could be obtained owing to the fast diffusion rate of methanol .
高浓度的甲醇溶液可以提高甲醇的扩散速率,在电池大电流放电的操作条件下具有较好的长时间放电性能。
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The electronic diffusion rate of TiO2 sphere film electrode was a little better than that of nanocrystalline particle film electrode .
TiO2聚集球膜电极的电子传输速率稍优于纳晶小颗粒膜电极。
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Studies on the sea-bed heat diffusion rate and soil depth of constant temperature in Central Bohai Sea
渤海中部海域海底热扩散率及恒温层深度研究
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The reaction is diffusion rate limit near the interface of Mo / a Si : Mo alloy , but at the interface of a Si : Mo / a Si the reaction is reaction rate limit .
其作用速率在a-Si界面为反应速率限制,而在与Mo交界面则为扩散速率限制。
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The thickness , diffusion rate , grain size and structure of the Nb_3Sn layer prepared by modified bronze process have been examined by means of metallog - raphy , SEM , X-ray diffraction and EMPA .
本文用金相、扫描电镜、X射线衍射和电子探针方法研究了改良青铜法制作的Nb3Sn化合物层生成厚度、扩散速率、晶粒和结构。
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The Effect of Vapor Diffusion Rate on Lysozyme Crystal Growth
气相扩散速率对溶菌酶晶体生长的影响
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The effective diffusion coefficient and rate constant of intraparticle transport were calculated .
求出了颗粒内有效扩散系数和颗粒内扩散速率常数。
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However , since it has been previously shown that hydration plays a key role in the study of the diffusion rate , our future experiments will be conducted in vivo to eliminate the hydration factor .
另外既然先前已经证明了水合状态在研究渗透速率的实验中起了关键作用,那么我们将来的实验将会在在体状态下进行从而消除水合的因素。
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Based on the film diffusion theory , rate equations are developed to describe the transfer , integration and growth processes of metal ions from the bulk solution to the cathode particle electrode surface under fluidization conditions .
基于膜扩散理论,提出了流态化条件下金属离子自溶液主体向阴极颗粒电极表面传递、沉积、成长的速率方程;
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At the lower temperature , the diffusion rate of nitrogen atom is very slow , as reduce the loss of the ineffective loss , so it is helpful to increase the thickness of chromized layer .
温度较低时,氮原子扩散速率慢,因而可以减少其无效损耗,有利于形成较厚的渗铬层。
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The results show that the diffusion rate of chloride ion is alleviated in the existence of ASR . The binding capacity of chloride in the concrete with ASR is much lower than that in the concrete without ASR .
结果表明:在ASR同时作用时,混凝土的氯离子扩散速度减慢,混凝土对氯离子的结合表现为线性吸附关系,氯离子结合能力也明显降低;
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It is difficult to distinguish the kinetic reaction rate from the diffusion rate of SO2 and O2 molecules during the Dry FGD reactions .
区分氧化钙脱硫反应中的化学反应动力学速率与二氧化硫、氧气分子的扩散速率是一个难题。
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In other words , the higher the awareness and the diffusion rate of social media brands and the trust they generate , the stronger and more valuable they are .
换句话说,社交媒体的全球认知度越高,品牌和产生的信任感扩散速度越快,该品牌的实力就越强大越有价值。
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As social progress and development of urban construction , the advance of the gullet drain 's diffusion rate and reform of the older section of a city , push pipe construction are more and more dissemination already .
随着社会的进步和城市建设的发展,下水道普及率的提高及旧城区的改造,顶管施工已经越来越普及。
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Besides , it is found that the existence of deficiency can increase the diffusion rate of lithium ion in bulk material and the Mn3 + ion amount , therefore the material with deficiency displays the best rate capability .
研究发现空位的存在可提高锂离子在材料体相中的扩散速率和Mn3+离子含量,从而该改性材料呈现出最佳的倍率性能。
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Maximum pseudo-Likelihood method is used to estimate the coefficient functions in the diffusion of Single-Factor Interest Rate Models .
本文用极大拟似然估计法估计了中国银行间市场七天拆借利率扩散模型的参数。
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The control factor for the adsorption process is the diffusion rate of the ions in the reaction layer .
吸附过程主要受反应层的离子扩散控制。
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While NaOH concentration of the lye is 2M or more , the surface diffusion rate don 't vary with the concentration increasing , It 's in accordance with Fick diffusion principle . This can be used to explain some phenomena in chemical decortication .
当碱液中氢氧化钠浓度为2M或更高时,其表面扩散速率与浓度的增加无关,这种现象与菲克(Fick)扩散原理是一致的,该原理可用于解释化学去皮过程中所产生的一些现象。
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Then we discuss the different influences of the two technology policies on the diffusion rate of the innovation under three situations .
针对三种情形,讨论上述两种技术政策对创新扩散速度的不同影响。
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The increase of heating rate results in the increase of diffusion rate , and thus promotes the diffusion-controlled austenitic transformation and shortens the transformation time .
提高加热速度导致合金元素扩散速率的增加,从而加快了扩散控制生长的奥氏体相变的速率,缩短了相变所需时间。