1. At the equivalence point, the solution contains only the conjugate of the weak acid or base being titrated, and the pH is calculated from the concentration of this product.
计量点时,溶液仅含弱酸的共轭碱或弱碱的共轭酸,pH计算依据其产物的浓度。
2. Regarding to this inverse problem, it is solved by the conjugate gradient method for the stable solution and quick convergence.
在反演求解时,使用共轭梯度算法,以保证求解的稳定性,加快解的收敛速度。
3. In order to solve the contradiction between the computing precision and computing time, according to the THM (themo-hydro-mechanical) coupling mechanism and the domain decomposed method, the paper selects preconditioning conjugate gradient to solve paralleled solution of system equation, in which using mpi+177 establishes a master Islave model and the calculation of the governing equations is performed on the Hobai University high function computer, and this question is verified by one example.
为了解决计算精度与计算时间之间的矛盾,针对三场耦合问题,根据区域分解策略,采用预处理共扼梯度法进行方程组的并行求解,利用mpi+f77编制主从式并行有限元计算程序,并在河海大学高性能计算机群上进行调试及计算,通过算例计算,显示并行计算可大幅节省计算时间,未来必会得到更广泛的应用。
4. Three molar ratio of enzyme-labeled antibodies were prepared, the one with 1.55 of molar ratio had higher activity, the optimized cdELISA performed with coating antigen of 1 μg·mL-1 and enzyme conjugate of 800-fold dilution in 2×PBS dilution solution without protecting agent BSA and solvent methanol, has a butachlor IC50 of 1.7 ng·mL...
结果表明,酶标抗体克分子比为1.55时偶合物活性最高,包被浓度1μg·mL-1,酶标抗体800倍稀释,稀释液采用2×PBS,不含BSA、甲醇,建立的标准曲线IC50=1.7ng·mL-1,检测限为0.006ng·mL-1,检测范围0.06~2616.7ng·mL-1,批内变系数9.25%,批间变异系数23.55%。
5. The accurate solution of linear equations could be expressed linearly by the conjugate vector base, and the iterative strategy was used to construct the conjugate vector base groups and the corresponding coefficient. The constructed conjugate vector base groups were proved to be conjugated.
线性方程组的精确解能够由共轭向量基线性表示,利用迭代的方式给出了构造共轭向量基以及对应系数的方法,证明了算法所构造的向量基的共轭性。
6. Such changes may occur within days or even hours of storage of the conjugate in solution.
这种变化在金标存放期的几天甚至几小时内发生。
7.
7. This paper studies how to define corresponding pulse transfer function D''of digital controller, while there are zeros of conjugate complex numbers or negative real number in D, poses a solution method and gives comparative analysis for three different situations.
本文对D中含有共轭复数零点,或负实数零点时,如何确定数字控制器的相应脉冲传递函数D''的问题进行了研究,提出了解决方法,通过实例对三种不同情形进行了对比分析。
8. By discussion about a half-neutralization in an acid-base equilibrium, we reveal how the three connected species of acid system can coexist in solution with equal concentrations or percent of its conjugate base, and offer the method of preparation for this solution.
通过对鲜见报道的半中和酸碱平衡现象的深入讨论,揭示了相关三组分等浓度或等含量共存平衡的充分必要条件及相应的配制方法;
9. In this paper we discuss conjugate direction method for LS estimator and analyse error of iterative solution.
本文讨论了求LS估计的共轭方向法,对迭代解的误差进行了分析。
10. In this paper, the exact solution to anisotropic elastic plane with arbitrarily-shap cavity is obtained by directly transforming the parameter as basic variable using the conjugate property of complex function based on Savin''s complex functon method.
本文在[1]的复函数法的基础上,利用复数的共轭性质直接以变换平面的ξ作为基本变量给出了带有任意形状孔的各向异性弹性体平面问题的精确解。
11. 911查询·英语单词
11. Buffer Solution usually containing a weak acid and its conjugate weak base, or a salt, of such a composition that the pH is held constant within a certain range.
缓冲溶液化学术语。通常指含有一种微酸和与之结合的一种微碱或盐,并能维持酸碱值基本恒定的溶液。
12. Graphic Solution of the HMO Energy of Small Conjugate Molecules Containing a Heteroatom
含一个杂原子共轭烯烃的能级图解法
13. The reasonable velue of the magnification factor and the steady state solution for the positions of conjugate imaging points are determined forthright by using the condition of perturbation stability of mode.
用模的微扰稳定性条件,简捷地确定几何放大率的合理取值和共轭像点位置的稳态解。
14. In this paper, we prove that the real quadratic system with one real straight line solution and two conjugate complex straight lin solutions is integrable system, so it do not has any limit cycle.
本文证明了具有一条实积分直线和一对共轭复积分直线的实二次系统都是可积系统,因而不可能存在极限环。
15. The drug loading of insulin enteric-microspheres was about 7%. In vivo experiment, chitosan-cysteine conjugate (85 mg · kg - 1) prolonged the hypoglycemic time of insulin solution or enteric-microspheres when administered simultaneously with the absorption enhancer SNAC.
所制备的胰岛素肠溶微球载药量7%,大鼠灌胃给予壳聚糖&半胱氨酸轭合物85mg·kg-1,可增强胰岛素溶液或肠溶微球的口服降血糖作用。
16. Compared with direct conjugate gradient optimal control solution method, the method of this paper is a direct and effective way to solve the problem.
给出了使用共轭梯度直接最优控制解法与本文方法的结果比较,表明本文方法是解决该类问题的一种直观有效的途径。
17. conjugate solution在线翻译
17. The preparation method is to first mix 9, 9-bi-[4-(N, N-bi-p-toluidine) phenyl]-2-dibromofluorene and boric acid pinacol ester of conjugate radicle, or to mix 9, 9-bi-[4-(N, N-bi-p-tolyl-amino) phenyl] fluorene-2, 7-bi-boric acid pinacol ester and bromide of conjugate radicle; and then add in toluene, potash solution, aliquat336 and catalyst tetrakis palladium, and heat and reflow for 10 to 30 hours in nitrogen environment; when the reaction is done, decompress, remove the solution and get the target product, the derivative based on 9, 9-bi-4-(bi-p-methypheny aminophenyl fluorene substituted by unilateral conjugate radicle.
一种空穴传输型蓝光化合物,为基于9,9-二4-(二-对甲苯基氨基苯基芴的衍生物,其制备方法为:将9,9-二[4-(N ,N-二对甲苯胺基)苯基]-2-溴芴与共轭基团的硼酸频哪酯混合,或将9,9-二[4-(N ,N-二对甲苯胺基)苯基] 芴-2,7-二硼酸频哪酯与共轭基团的溴化物混合;加入甲苯、碳酸钾溶液、aliquat336、催化剂四钯,在氮气氛围下加热回流10-30小时;反应结束后,减压除去溶剂得到目标产物单边共轭基团取代的9,9-二4-(二-对甲苯基氨基苯基芴的衍生物;该类化合物应用于电致发光器件中时,它们作为空穴传输层兼发光层。
18. Numerical solution of dry contact problem based on fast Fourier transform and conjugate gradient method
基于快速傅里叶变换和共轭梯度法求解干接触问题
19. conjugate solution
19. The linear constraint minimum variance (LCMV) criterion is chosen to deal with strong interference. With orthogonal decomposition, LCMV is reduced to an unconstrained minimization problem, the conjugate gradient (CG) algorithm is used to obtain the optimal solution.
针对强干扰采用线性约束最小方差准则(LCMV),利用正交分解将LCMV简化为非约束的最小化优化问题,采用共轭梯度(CG)算法求得最优解。
20. The equations group of conjugate detonation model is close and has unique solution.
共轭爆轰模型方程组封闭且有唯一解。