溶解速率
- 网络dissolution rate;rate of dissolving
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P2O5也使可溶相的溶解速率加快。
The dissolution rate of the soluble sodium borate phase increases with the addition of a small amount of P_2O_5 .
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结果表明:有机酸浓度、溶液pH值、有机酸种类对石灰石溶解速率影响最大。
The results show that concentration of organic acid , acidity of limestone slurry and the kind of organic acid are the main factors to increase limestone dissolution rate .
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一旦破坏了Al2O3保护层,Al的溶解速率加快。
If Al2O3 layer was destroyed , Al can dissolve soon .
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黄铁矿在酸性溶液中溶解速率相对较快,并易达到溶解平衡。然而,部分由于反应产物形成的难溶物吸附沉积在表面,导致剩余黄铁矿表面Fe(Ⅱ)的溶解速率要缓慢地多。
The dissolution of pyrite in acidic solution was relatively fast and easily reached to dissolution equilibrium .
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对于镍在硫酸溶液中溶解速率慢的原因,根据国外学者的研究认为镍的表面对H2分子有着特殊的吸附力。
Some foreign scholars ' research think the nickel of H2 molecule has a special absorption ability .
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采用Al2O3溶解速率测定仪测定了CaO-SiO2-Na2O-CaF2-Al2O3-MgO连铸保护渣系的Al2O3溶解速率。
The Al_2O_3 dissolution rate of casting mold powder CaO-SiO_2-Na_2O-CaF_2-Al_2O_3-MgO series has been measured by Al_2O_3 dissolution rate measuring apparatus .
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矿物溶解速率受表面吸附、表面交换反应和解吸反应等表面化学过程的控制并与溶液的pH值有关,正比于溶液αH+值的nθ次幂。
The dissolution rate of minerals is controlled by surface adsorption and surface exchange reactions and desorption , depends on the pH of the solution and is directly proportional to α .
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胶块处方中加入高分子材料PVP、淀粉可轻微增加明胶的溶解速率。
The dissolution rate of the shaped gelatin mass increased slightly by adding some polymers ( pvp , starch ) .
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模型预测的石灰石转化率以及颗粒尺寸分布和pH值对石灰石溶解速率的影响能很好地与实验数据吻合。
Model predictions were in good agreement with experimental data such as the degree of limestone conversion , and the effects of particle size distribution ( PSD ) and pH value on limestone dissolution rate .
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实验研究了W、Mo、K2CO3、SiO2、S等添加剂对铁石墨粉末压坯在900~1060℃高温烧结时碳溶解速率的影响。
The Effects of W , Mo , K_2CO_3 , SiO_2 , S on the dissolving rate of carbon in mixed compacts were investigated at sintering temperature of 900 ~ 1060 ℃ .
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硅酸盐矿物的溶解速率与溶液的pH值、离子强度、温度及有机酸的含量等密切相关。碳酸盐类矿物的溶解速率主要取决于温度、CO2分压、酸碱度及相关离子的活度等因素。
The dissolution velocity of silicates is pH , ion strength , temperature and organic acid concentration dependant , and the dissolution velocity of carbonates mainly depends on temperature , partial pressure of CO_2 , pH , and activities of relevant ions in the solution .
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介绍了测定SO2气体溶解度和溶解速率的装置及方法.分析了SO2在灰水、Ca(OH)2溶液和碱性废液中的溶解过程。
In this paper . the equipment and method for measuring SO2 , solubility in basic solutions are described . SO2 dissolving process and its solubility in basic solutions , such as ash-water , Ca ( OH ) 2 solution and waste solution , are analyzed .
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Mo能控制铁的氧化物相,降低Cr的过钝化溶解速率以及抑制Cl-向膜穿透,起着延长应力腐蚀孕育期的作用。
Mo in 316 alloy affected the composition and growth rate of iron oxides , decreased the dissolution rate of Cr at transpassive region and inhibited Cl ~ - in its penetration through the oxide film , playing therefore a role to prolong the incubation period of SCC .
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该法制备得到1~20μm无定形植物甾醇微细颗粒,且具有更高的溶解速率,比原料植物甾醇早3h达到饱和溶解度。
Amorphous particles ranging from 1 μ m to 20 μ m were obtained by the RESS process . The RESS-processed phytosterol , of which the dissolution rate was much higher , realized the dissolution equilibrium 3 hours earlier than that unprocessed .
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CO2向H+和HCO-3的转换.通常是这3个过程中的最慢过程决定着碳酸盐岩的溶解速率。
And ( 3 ) conversion reaction of CO_2 into H + and HCO - _3 . Generally , it is the slowest of these three processes that limits the dissolution rate of carbonate rock .
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通过建立Al2O3溶解速率和渣成分关系的回归正交设计模型,精确预测铝镇静钢连铸保护渣的夹杂物吸收能力,并通过建立的非线性规划模型对该保护渣进行优化设计。
The inclusion absorption ability of mold powder for Al-killed steels could be predicted accurately by established regression analysis model for relation between Al_2O_3 dissolution rate and mold powder ingredient , and the mold powder for Al-killed steels has been optimized and designed by established nonlinear programming model .
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结果:随着明胶/甘油比例的增加,制得胶片的溶解速率呈不规则变化,胶片经40℃贮存21d,各种处方的胶片溶解速率呈不同程度下降。
RESULTS : With the increase in the ratio of gelatin glycerol in soft gelatin shell , the dissolution rate of the shell changed irregularly . After storage of 21 days at 40 ℃, the dissolution rate of the shell decreased at different extent .
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埋藏成岩作用的温度与压力条件(75℃~130℃,20MPa~30MPa)下,乙酸对白云岩的溶蚀实验证明,随着温度与压力的升高,白云岩的溶解速率迅速增大。
Experiment for dolomite dissolution by acetic acid has been run under the conditions of temperature and pressure of burial diagenesis ( 75  ̄ 130 ℃, 20  ̄ 30MPa ) . The result shows that Dissolution rate of dolomite increases quickly with the increase of temperature and pressure .
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烟气脱硫过程中SO2在碱性溶液中的溶解速率研究
Experimental Researches on SO_2 Solubility and Dissolving Velocity in Basic Solutions
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盐酸去氢骆驼蓬碱平衡溶解度及溶解速率常数的测定
Determination of Equilibrium Solubility and Dissolution Rate Constant of Harmine Hydrochloride
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溶解速率溶解速率决定药物吸收时的可用度。
Dissolution rate determines the availability of the drug for absorption .
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溶解速率、表观密度均达到规定标准。
The dissolution rate and apparent density all reach the stipulative standards .
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初生硅的溶解速率随时间延长而减小。
The dissolution rate is decreased with the holding time .
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温度对溶解速率的影响受控于阿雷尼乌斯方程。
The effect of temperature on dissolution rates follows the Arrhenius equation .
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煤系黄铁矿氧化溶解速率与矿物粒径的关系
Relationship Between Oxidation Rate of Coal Pyrite and It 's Grain Size
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因此,其动力学可能决定碳酸盐岩的溶解速率。
Hence , its kinetics may determine the rate of carbonate rock dissolution .
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灰岩和白云岩溶解速率控制机理的比较
Comparison of Dissolution Rate-Determining Mechanisms between Limestone and Dolomite
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在实验条件下,铋的溶解速率遵循直线规律。
The bismuth dissolving rate answers to linear law under the experimental conditions .
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岩盐溶解速率的研究
Study on the dissolution rate of rock salt
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为了降低锌在腐蚀性介质中的溶解速率,对热镀锌钢板广泛采用铬酸盐钝化的处理工艺。
Chromate conversion coatings have been used widely to decrease the dissolution rate of zinc .