solution rate的例句大全

Ten sulfo-group containing compound were tested whether they could be used as the phase transfer catalyst ( PT CS) for the electrophilic substitution in the solution of H2O/ CH3COONa-CH3COOH/ ClCH2Cl by measuring the coupling reaction rate constant.

选择了10个含磺酸基团的化合物作为相转移催化剂，测定其在H2O／CH2COOH－CH3COONa／ClCH2Cl体系中的亲电偶合反应速率常数。

On the basis of the new theory of heat conduction equation considering the chemical reaction rate of concrete, the temperature field caused by hydration heat in massive concrete walls is analyzed, and the analytical iterative solution to the nonlinear heat conduction equation is presented.

根据已提出的考虑混凝土化学反应速率的热传导方程新理论，分析了水化热引起的大体积混凝土墙的温度场，给出了该问题非线性热传导方程的解析迭代公式。

Why the weld does better in corrosion resistance than base material has been illustrated by measuring the static weight loss and the average corrosion rate about weld joint and base material in exfoliation corrosion solution.

评价了6063铝合金焊缝及母材在剥落腐蚀溶液中的静态失重量及平均腐蚀速率，探讨了焊缝抗腐蚀性能优于母材抗腐蚀性能的原因。

The growth rate R of thallium acid phthalate ( TAP) crystal on each show-up faces in aqueous solution at 322.1 5 K has been determined by stationary stereoscopic microscope method. The relationship between R and σ has been obtained from the experimental data by computer.

采用静态体现显微法测量在饱和点为322.15K下水溶液中TAP晶体各显露面的生长速率R，然后将实验数据用电子计算机归纳出R与σ的关系。

When the intrinsic reaction rate is non-first order, the differential equation describing the distribution of the concentration of a reactant in spherical catalyst at isothermal condition is a second order non-linear ordinary differential equation and does not have analytical solution.

等温情况下，当本征反应速率是非一级反应，描述球形催化剂内反应组分浓度分布的微分方程为二阶非线性常微分方程，无解析解。

It was found that with the increase of the difference of solubility parameters between polymer and solvent ( A S), the extent of cooperative segmental motion of the polymer in solution tends to be easier and spin-lattice relaxation rate ( 1/ T1) becomes greater.

发现聚合物与溶剂的溶解度参数之差△δ越大，聚合物在溶液中协同链段运动趋向越明显，~（13）C自旋-晶格弛豫速率（1/T1）越大；

Objective To lower false-positive rate of tetanus antitoxin skin test solution and raise accuracy of tetanus antitoxin in clinical practice.

目的降低破伤风抗毒素皮试液在临床应用中的假阳性率，提高应用破伤风抗毒素的准确性；

electrochemical constant current linear polarization and atomic absorption spectroscopy were used to measure the corrosion rate of coronary stents made of 316l and 317l stainless steel in 30 ℃ tyrode's solution.

采用电化学恒电流线性极化法和原子吸收光谱法测定冠状动脉支架用316L和317L不锈钢在37℃人工模拟血浆Tyrode's溶液中的低腐蚀率。

in this paper, based on the rate equations in a steady state of the tm 3+ ions, an analytical solution of the gain for thulium doped fiber amplifiers ( tdfas) is obtained after some reasonable simplicities.

从稳态条件铥离子（Tm3+）粒子速率方程出发，进行合理的近似，得出掺铥光纤放大器（TDFA）增益的解析表达式。

solution of ionization rate equation of light impurities in tokamaks

托卡马克中轻杂质速率方程的求解

where the rate of weight of nuclear source material in a mixed compound, solution or alloy is lower than five-ten thousandths .

二混合物、化合物、溶液或合金、所含核子原料之重量比低于万分之五者。

when mea solution's flow rate is low, increasing it's flow rate can enhance co2 absorption rate.

MEA溶液流量较小时，增大其流量可显著提高CO2吸收率；

effect of crystal solution on embryonic survival rate of misgurnus anguillicaudatus

玻璃化液对泥鳅胚胎成活率的影响

the corrosion potential of the bright coating in the nacl aqueous solution was more positive than that of the dull coating, and the anodic dissolving rate of the bright one was also far lower at the same polarization potential compared with the dull one.

光镍镀层在NaCl水溶液中的腐蚀电位高于哑光镍镀层的腐蚀电位，且在相同的极化电压下光镍镀层的阳极溶解速度远小于哑光镍的溶解速度。

technologic essentials of improving the lixivial rate in distilling gold with cyanide solution as solvent

提高池浸提金浸出率的几个技术要领

aerosol spraying disinfection of a 45 m~ 3 room with the stock solution of the disinfectant at a dosage of 8 ml/ m~ 3 for 30 min caused 97.5% eradicating rate of natural bacteria in air.

用该消毒剂原液对45m3的房间按8ml/m3用量进行气溶胶喷雾消毒作用30min，对空气中自然菌的平均消亡率为97.5%。

results are as follows. vitrification solution pmdd ( 2% pvp) containing many cryoprotectants could vitrify stably and its devitrification rate was also, so it is suitable for embryo vitrification.

结果表明：含有多种抗冻剂的玻璃化液PMDD（2%PVP），玻璃化稳定，脱玻璃化率较低，适宜进行玻璃化冷冻。

according to danckwerts surface-renewal model, an approximate expression for calculating co2 absorption and desorption rate by hot potash solution and a criterion of the pseudo-first order reaction were derived ( see eq. 19, 15a).

本文根据Danckwerts表面更新理论推导了纯热钾碱液吸收、解吸CO2速率的近似表达式及拟一级反应的判据，并用实验数据验证之。

as a kind of swarm intelligence algorithm, particle swarm optimization ( pso) finds the optimal solution by means of simulating the biont behaviors of birds foraging and so on, its character of fast convergence rate makes it receive more and more attentions from people.

粒子群算法（PSO）作为一种群体智能算法，通过模拟鸟群觅食等生物行为来找寻最优，其收敛速度快的特性使其受到人们越来越多的关注。

the exact analytic solution of a mode ⅲ griffith crack in the material was obtained by using the fourier transform and dual integral equations theory, and so the displacement and stress fields, the stress intensity factor and strain energy release rate were determined.

通过应用Fourier分析和对偶积分方程理论，得到了立方准晶材料Ⅲ型裂纹问题的精确解析解，并由此确定了位移与应力场，应力强度因子和应变能释放率。