Meanwhile, the removal of the free sulfur from the chalcopyrite will facilitate the ion diffusion and the further oxidative solution of chalcopyrite. 同时,清除黄铜矿表面氧化溶解产物&单体硫后,有助于离子扩散和黄铜矿的进一步氧化溶解。
The sand in the bags has the principal task of guaranteeing continuity of contact in the material without impeding the free diffusion of the compressed air. 袋中砂的主要目的是在保证材料的连续接触而不妨碍压缩空气的自由扩散。
At the same flow rate of ethanol, flame length and flame width of confined jet diffusion flame were all smaller than that of free jet diffusion flame. 结果表明,自由射流扩散火焰呈椭球状,受限射流扩散火焰呈圆锥状。
The free chloride concentration distributing in concrete of simulant chloride environment is analyzed, that is chloride diffusion behavior. 分析了模拟氯盐环境中混凝土内部的自由氯离子浓度分布规律,即氯离子的扩散行为。
Effect of Free Energy on Diffusion Models in Nanoscale 纳米尺度下体系自由能对扩散模型的影响
Element Free Galerkin Method for Steady Convection Dominated Convection Diffusion Problem 线性定常对流占优对流扩散问题的无网格解法
The petroleum migration mainly in an oil phase, as for natural gas migration, it can occur in water-solution, oil-solution, free gas and diffusion phase. 石油运移的相态主要是油相,天然气可以是水溶相、油溶相、气相和扩散相。
The composite powders after MA are fine and flat. The formed defects such as free surface, grain boundary, sub grain boundary and dislocation decrease diffusion activity energy, which is the important reason for developing super saturated solid solution and promoting the second phase precipitation. MA导致复合粉末细化与扁平化,自由表面、晶界、亚晶界以及位错等晶体缺陷的急剧增加而明显地降低了扩散激活能,它是形成过饱和固溶体和促进第二相析出的主要原因。
A kinetics of pyrolysis gasoline hydrogenation over Pd/ Al2O3 catalyst was investigated using a stirred semibatch reactor in a regime free of external diffusion limitations. 采用高压搅拌釜式反应器,在消除催化剂外扩散影响的基础上,对裂解汽油选择性加氢反应动力学进行了研究。
The point of the information freedom requires the free and equitable diffusion of the society and civilization under the normal range. 信息自由理念要求在正常范围社会文明的自由公平传播。
Different concentrations are fit in with different geological conditions. Concentration in free phase is fit in with diffusion of gas in no water-filled rocks. 指出:不同浓度适用于不同的地质条件,游离相含气浓度适用于天然气在不含水岩石中的扩散;
The results show that main mechanisms of gas retained in coal measure strata include dissolution in formation water, free phase, dissolution in oil and diffusion, with the last two being the most important. 模拟结果表明,煤中残留的气主要以水溶、油溶、游离和吸附4种相态存在,其中油溶相和吸附相起决定作用。
The effect of the latter to grow nucleus is small. But it affects the growth velocity of the thin film from changing the molecular mean free path to affect the diffusion of Cd and Te_2. 后者对对成核的晶粒方向几乎没有影响,但它通过改变分子平均自由程来影响Cd、Te2分子的扩散,从而影响薄膜的生长速率。
The formation free energies of the intermetallic compounds between Ho and Co, the diffussion coefficients and the diffusion activation energy of Ho atom in the alloy phase are determined. 测定了Ho2Co17等五种金属间化合物的生成自由能和Ho原子在Ho2Co17中的扩散系数及扩散活化能。
The analysis of migration and accumulation conditions indicates that methane gas migration is a comprehensive fashion composed of fault filtration and free diffusion differentiation, and there are three methane gas sources: ① gas that directly releases from gaseous hydrocarbon in the deep fault path; 表层沉积物所含甲烷气为断层渗逸-自由扩散作用双重运移结果,主要有3种来源:(1)直接来自于下部断层通道中气态烃的释放;
The spin density of free radical mostly concentrates on C2 or C3 and has no large diffusion. They are the key part of reactivity. 自由基自旋密度主要集聚在C2或C3上,未有较大弥散,同时也是前线MO主要布居位置和重要的反应活性部位。
The Application of Free volume Theory to Diffusion in polymer Melt Blends 自由体积理论在高聚物熔体共混物扩散方面的应用
For the durable products, the diffusion system is stable, the free sampling can only affect the process of innovative product diffusion, but not affect the ultimate adopters. 在耐用品情形下,扩散系统是稳定的,免费商品只能影响产品的扩散进程,但不能影响其最大采用数量。
The diffusion coefficient for water in shape memory polyurethane membranes depend on the polymer fractional free volume, diffusion energy ED and the interaction of water-polymer. 而体系的扩散是由自由体积,扩散活化能,水汽分子与形状记忆聚氨酯膜极性基团的相互作用力共同的结果。
Quantum Wells Disordering Produced by Impurity free Vacancy Diffusion ( IFVD) and its Application 无杂质空穴扩散诱导量子阱无序及在光集成中的应用
Kinetic model of free radical polymerization including diffusion phenomena 自由基聚合/扩散动力学模型与仿真
It suggested that lipid peroxidation was enhanced and the antioxidation was severely impaired in patients with PHC, that oxygen free radical and LPO were concerned with formation and diffusion of PHC. 提示原发性肝癌患者体内脂质过氧化作用增强,抗氧化能力低下,自由基、LPO参与了原发性肝癌的发生及扩散。
However, it is well known that a laser generally experiences free phase diffusion and has a finite bandwidth. 然而,在实用上,一般激光场都经历自由的相位扩散,具有一定的线宽。
Based on the differential equation of material transportation by diffusion, the mathematical model of free CBM escaped from coal reservoir by diffusion is built and the processes in different geological conditions is simulated. 以扩散传质微分方程为基础,建立游离甲烷在盖层中扩散散失的数学模型,并对不同地质条件进行模拟计算。
Liquid-phase benzene hydrogenation to cyclohexane was studied over Pd/ γ-Al_2O_3 catalyst in a regime free of internal and external diffusion limitations. 采用Pd/γ-Al2O3催化剂,在排除扩散影响的条件下,研究了液相苯催化加氢制环己烷的反应动力学。
However, most of the diffusion-related NMR studies were limited to the free diffusion in simple systems. 然而,大部分扩散相关的NMR研究仅局限于简单体系的自由扩散行为。
The influence of damage caused by freeze-thaw cycles on the performance of chloride diffusion of concrete is studied by the experiments of free chloride concentration titration and chloride diffusion depth. 通过自由氯离子滴定试验和氯离子扩散深度试验研究了冻融损伤对混凝土氯离子扩散性能的影响。
The article describes the free jet with diffusion angle, and introduces a method that using diffusion angle to judge whether the jet is confined for the first time, rather than the degree of freedom of jet. 用扩散角对自由射流进行了说明,在受限射流中,首次提出用扩散角代替射流自由度判断射流是否受限。
Covered the porous membrane in the evaporation pipe, the diffusion processes divided into two parts, one for free diffusion into the free gas. the other for a period of diffusion into porous membrane. 即在蒸发管管口粘覆被测多孔介质,将扩散质组分通过扩散组分的扩散分为两段,一段为通过静止气体的自由扩散,另一段为通过多孔介质的扩散。
Different from the definition of the free surface, the interface of two-phase flow and the liquid diffusion boundary, the solid-driven moving boundary is defined as the forced moving boundary. 为了区别自由面、两相流交界面以及液体扩散边界,本文将固体边界驱动的动边界定义为强制动边界。