浮选速率常数,flotation rate constant
1)flotation rate constant浮选速率常数
1.A big system model of multielement, nonlinear, and multi equation related to theflotation rate constant of coals different in size and density and to the operation varibles was established through the multielement nonlinear regressive analysis.在详细考察了各品级煤在不同的操作变量条件下的浮选规律的基础上 ,通过多元非线性回归分析 ,建立了各粒度密度级浮选速率常数及水浮选速率常数与操作变量之间的多元的、非线性的、多方程的大系统模型 。
2.According to the the dimension, Flotation rate constant of chalcopyrite, galenite and sphalerite pure ore can be arraied as: chalcopyrite, galenite, sphalerite in the best flotation condition.对黄铜矿、方铅矿及闪锌矿单矿物浮选动力学研究表明在选取最佳浮选条件下,可以使得三种单矿物浮选的浮选速率常数大小排列顺序依次为:k黄铜矿>k方铅矿>k闪锌矿;且拟合所得黄铜矿、方铅矿及闪锌矿单矿物浮选动力学模型依次为:黄铜矿闪锌矿(式中ε为回收率,t浮选时间)对人工模拟矿浮选试验结果进行拟合,所得其黄铜矿、方铅矿及闪锌矿的浮选动力学模型依次为:闪锌矿(式中ε为回收率,t浮选时间
2)flotation rate浮选速率
1.Through a large number of experiments, the authors studied the relation between the fine particle content and water quantity in flotation clean coal, explored the effect of the entrapment of water flow on the fine coal flotation , investigated the relation between the constant of waterflotation rate K W and different operation variables, and gave out its experience equation.通过大量试验，研究了浮选泡沫产品中细粒煤含量与水量关系，探讨了浮选过程中水流的机械夹带对细粒煤浮选的影响，考察了水浮选速率常数Ｋｗ 与操作变量之间的关系，得出了水浮选速率常数与操作变量之间的经验公式，确定了水量回收模型，从而最终建立了细粒煤产率与回收水量之间关系的动力学模型。
2.Flotation tests compared with kerosene showed that they can all improve clean coal yielding andflotation rate,MR 2 is the best among them.结果表明，复合捕收剂能较大幅度提高精煤产率和可燃体抽出率，并能较大幅度加快浮选速率，其中以ＭＲ－２最佳。
3.The effects of particle size fraction,current intensity and aperture of mesh electrode on theflotation rate were studied.考察矿物粒级、阴极孔径、电流强度对高岭石浮选速率的影响。
3)Vibrational-state-selected rate constant振动选态反应速率常数
4)rate constant速率常数
1.Hydrolysis-condensationrate constants of 3-trimethoxysilyl propyl methacrylate;甲基丙烯酸-3-三甲氧基硅丙酯的水解-缩合反应速率常数
2.A ratio of concentration and time method for determining a reaction order and calculation therate constant;浓度—时间比法确定反应级数和计算速率常数
3.Design and application of program based on LabVIEW 7.0 for determiningrate constant for second-order reaction;电导法测定二级反应速率常数LabVIEW7．0程序设计与应用(英文)
英文短句/例句
1.Determination of the Rate Constantsin Ethyl Acrylate Saponification;丙烯酸乙酯皂化反应速率常数的测定
2.Processing Involved Data in the Experiments of Determining Rate Constants for Second-order Reaction with Excel;用Excel处理二级反应速率常数测定的数据
3.Selection of First Order Reaction Rate Constant Experiment Date Processing;一级反应速率常数测定数据处理方法选择
4.Rate constants for reactions of chlorine atoms with a series of alcohols by relative rate method相对速率法测氯原子与一系列低碳醇的反应速率常数
5.The fitting of pharmacokinetic model for the oral one-compartment model with similar rate constants of the absorption and elimination吸收速率和消除速率常数相近的口服一房室模型的拟合
6.On this basis, the vibrational state-selected reaction rates were calculated.在此基础上,计算了振动选态反应的速率常数.
7.The apparent reaction rate constant can be obtained by linear regression.线性回归得出化学反应速率常数表观值。
8.Determination of Oxidation Rate Constant of Sodium Formaldehyde Sulfoxylate;甲醛合次硫酸氢钠氧化反应速率常数的测定
9.Calculation about the Reaction Rate Constant of Indole Formation from Aniline and Glycol;苯胺和乙二醇生成吲哚反应的速率常数计算
10.The Sucrose Hydrolysis Improvement of Reaction Speed Constant Measure Experiment;蔗糖水解反应速率常数测定实验的改进
11.The principle and method of determining the rate constant for the reaction of the ethyl acetate saponification;测定乙酸乙酯皂化反应速率常数的原理和方法
12.An Improvement on The Experiment of Catalytical Decomposition of Hydrogen Peroxide;过氧化氢催化分解速率常数测定实验的改进
13.Improvement of Speed Constant Determination in Sucrose Hydrolysis Reaction蔗糖水解反应速率常数测定的实验改进
14.Determinate the Rate Constant of Reaction on Acetone and Iodine by Macroproperty光栅光谱仪测量丙酮碘化反应速率常数
15.In the chemical kinetics, calculation of rate constant was relevant with the equation writing.在化学动力学中,速率常数的计算与化学方程式的书写有关。
16.The parabolic rate constant B is substantially larger for wet oxidation than for dry.在湿氧氧化中抛物线速率常数B比干氧氧化中的大得多。
17.The variation of the return rate constant k with different absolute temperature T deviates Arrhenius empiric equation.反应速率常数随绝对温度的变化基本上符合阿累尼乌斯定理。
18.The rate constants of leucocyte ~(22)Na efflux were determined in patients with essen tial hypertension and some of their normotensive offsprings.本文应用白细胞~(22)钠外流速率常数测定以研究钠与高血压的关系。
相关短句/例句
flotation rate浮选速率
1.Through a large number of experiments, the authors studied the relation between the fine particle content and water quantity in flotation clean coal, explored the effect of the entrapment of water flow on the fine coal flotation , investigated the relation between the constant of waterflotation rate K W and different operation variables, and gave out its experience equation.通过大量试验，研究了浮选泡沫产品中细粒煤含量与水量关系，探讨了浮选过程中水流的机械夹带对细粒煤浮选的影响，考察了水浮选速率常数Ｋｗ 与操作变量之间的关系，得出了水浮选速率常数与操作变量之间的经验公式，确定了水量回收模型，从而最终建立了细粒煤产率与回收水量之间关系的动力学模型。
2.Flotation tests compared with kerosene showed that they can all improve clean coal yielding andflotation rate,MR 2 is the best among them.结果表明，复合捕收剂能较大幅度提高精煤产率和可燃体抽出率，并能较大幅度加快浮选速率，其中以ＭＲ－２最佳。
3.The effects of particle size fraction,current intensity and aperture of mesh electrode on theflotation rate were studied.考察矿物粒级、阴极孔径、电流强度对高岭石浮选速率的影响。
3)Vibrational-state-selected rate constant振动选态反应速率常数
4)rate constant速率常数
1.Hydrolysis-condensationrate constants of 3-trimethoxysilyl propyl methacrylate;甲基丙烯酸-3-三甲氧基硅丙酯的水解-缩合反应速率常数
2.A ratio of concentration and time method for determining a reaction order and calculation therate constant;浓度—时间比法确定反应级数和计算速率常数
3.Design and application of program based on LabVIEW 7.0 for determiningrate constant for second-order reaction;电导法测定二级反应速率常数LabVIEW7．0程序设计与应用(英文)
5)rate constants速率常数
1.Therate constants of saponification turns reaction are measured using Microcalorimetry,the heat conduction type"s automatic calormetric-equipment not involving the measurements of heat capacity and quantity of heat.用微量热法测定了酯类皂化的速率常数,所用热导式自动量热计不涉及热容和热量的计量,自动记录反应的热谱曲线,由热稳态过程的峰高或峰面积计算反应的速率常数。
2.Therate constants for the title reaction are calculated by canonical variational transition state theory(CVT) with small-curvature tunneling(SCT) correction in the temperature range 200 .利用正则变分过渡态理论,结合小曲率隧道效应校正(CVT/SCT)方法计算了该反应的两个可行的反应通道在200 K~2 000 K温度范围内的速率常数。
3.This paper presents an ab initio direct dynamics study of thermalrate constants of the hydrogen abstraction reaction of CH2N+HONOCH2NH+NO2.用变分过渡态理论(CVT)在考虑小曲率隧道(SCT)校正的水平上计算了200￣2500 K温度范围内标题反应的热速率常数。
6)reaction rate constant速率常数
1.By fitting determined the formation kinetics model of tricalcium silicate with different content of SO_3 at the sintering temperature of 1450℃,at the same time,on the base of this kinetics model,thereaction rate constant of tricalcium silicate formation with different content of SO_3 was calculated.通过拟合得到了C_3S矿物形成的动力学模型,并根据该动力学模型对不同SO_3掺量下C_3S矿物形成的速率常数进行了计算。
2.The effects of neutral salts (NaCl, KCl, Na_2SO_4, K_2SO_4)on the saponificationreaction rate constant of ethyl acetate have been studied by means of electric conductivity method.作者采用电导率法就中性盐（NaCl、KCI、Na_2SO_4、K_2SO_4）对乙酸乙酯皂化反应速率常数的影响进行了研究。
3.By fitting,the formation kinetics model of tricalcium silicate with different content of CuO at the sintering temperature of 1 450 ℃ is established,and based on this kinetics model,thereaction rate constant of tricalcium silicate formation with different content of CuO was calculated.通过拟合得到了C3S矿物形成的动力学模型,并根据该动力学模型对不同CuO掺量下C3S矿物形成的速率常数进行了计算。
延伸阅读
表观速率常数分子式：CAS号：性质：(一)描述不遵循米氏规律(Michaelis rule)的复杂酶反应一个动力学常数。例如，葡萄糖在酶(黄素蛋白)的作用下，被氧化成δ-葡糖酸内酯时，反应所需的酶(黄素蛋白)包含有一个再生步骤，并可用下式表示(k+1，k-1，k+2，k+3，k+4为各反应常数)：其时，内酯生成的表现速率数ka表示为：[O2]及S各为系统中的溶氧浓度及葡萄糖浓度。(二)在固定化酶的情况下，由于存在外扩散限制(指底物通过固定化颗粒周围的滞流膜时引起的扩散限制)和内扩散限制(指底物从颗粒界面向颗粒内部扩散时的限制)，也会影响反应速率。游离酶反应速率v与酶的最大反应速率Vmax(Vmax是酶与底物结合速率k2及酶的浓度E0的乘积)，米氏常数km和底物浓度S有关，并可用米氏方程式表示：v=VmaxS/(km+S)。式中v及Vmax的单位为均为mol/m3·s，而在固定化酶情况下，由于存在扩散限制，其反应速率及动力学常数必然较游离酶反应不同，出现了表观反应速率V′(mol/m2·s)及V′(mol/m3·s)，表观米氏常数是k′m(mol/m3)以及表观最大反应速率V′max(mol/m2·s)和V′′max(mol/m3·s)。对外扩散限制而言，以上kL为底物在滞流层中的扩散系数，m/s。对内扩散限制而言，存在一个有效因子—η，此外，γφ称为蒂勒模数(Thiele modulus)，，其中De为底物在固定化颗粒中的有效扩散系数，m2/s。
