沙漠地区旁折光对三角锁系的方位角条件及基线条件常数项的影响表现为系统性误差。
The influence of the side-refraction in desert regions on the absolute terms of the azimuth conditions and base-line conditions of triangulation chains is expressed as systematic errors.
将非线性规划问题的单纯形加速法用于混合酸的线性滴定计算,同时优化酸浓度及有关条件常数,求出酸浓度的最优解。 讨论了影响单纯形法计算速度的因素。
The simplex optimization method about nonlinear programming problem has been used in the mixed acid linear titration and the effect of various factors on computative speed has been discussed.
如果你在通常的环境下进行化学实验,那么这些条件是什么?什么保持常数?
What is it when you run a chemical reaction under ordinary circumstances, what's constant?
获得了一类带有连续和分段常数变元的中立型微分方程所有解振动的新的充分条件。
The new sufficient conditions for the oscillation of all solutions of the neutral differential equation with continuous and piecewise constant arguments are obtained.
这些边界条件用以决定一般解中的积分常数。
Boundary conditions are used to determine the integral constants in the general solution.
对带有常数滞后的微分方程系统的控制过程,我们给出了最优性的必要条件。
For control process in the systems of differential equation with constant lag necessary condition of optimality of singular control is found.
方法测定了苯妥英银凝胶的溶度积常数,研究了滴定的最优条件。
Methods The titration operating conditions were optimized and the solubility product constant of phenytoin silver precipitation was determined.
由此方程的解导出了等离子体显示单元的电导率、介电常数以及着火条件的表达式。
The expression of firing condition, dielectric constant and electrical conductivity of AC plasma display cell can be derived from the equation's solution.
本论文进行了低温果胶酶产生菌的筛选,并对菌种的产酶条件,低温果胶酶的酶学性质,分离纯化及动力学常数进行了研究。
Screened of strain producing cold adapted pectinase and studied on the condition of producing enzyme, characterization of cold adapted pectinase, purification and kinetic constant in this paper.
根据多元酸碱滴定计算通式,针对实际情况化简后,非线性回归同时求出浓度和条件离解常数。
On the basis of our mathematic models of the titration, the content and conditional dissociation constant may be determined by using nonlinear regression.
在文中,我们也分析了可以把表面非平衡少子浓度作常数处理的条件。
In this paper, the condition under which the surface excess minority carrier density may be treated as a constant is also analysed.
当脉冲式鉴相器中的时间常数不能忽略并具有附加简单RC网络时,得到了系统稳定的条件。
The stability condition for the system is obtained when the time constant in the pulse operated phase discriminator can not be neglected and with an additional simple RC network.
通过与国外文献计算结果比较可知,物性系数、化学反应速率常数、边界条件处理等对组分浓度影响较大,缺乏这些数据库将会影响计算结果。
By comparison with computation results of reference, it is cleared that material parameters, chemical reaction rate constants and boundary conditions affect the species concentration very much.
依据被测介质性质,在现有实验设备条件下,提出了一种标量法测量低损耗薄膜介质介电常数的新方法。
A new scalar method of measurement for low loss film medium is presented based on electric properties of measured medium under the present condition of laboratory.
本文提出了条件溶度积常数的新概念。
In this paper, the new concept of the conditional solubility product constant has been put forward.
结果表明,在静态或准静态加载条件下的断裂面分维数近似为一个常数,但在动态(冲击)加载时,分维数随着加载率的增加而明显增加。
The results show that under static or quasi-static loading the fractal dimension DF is nearly a constant, but under dynamic(impact)loading the DF obviously increases with the loading rates.
在积分常数为零的条件下,证明了该方程存在光滑孤立波解、不可数无穷多光滑周期波解、扭结波和反扭结波解。
When the integral constant is zero, the existence of smooth solitary wave solutions, uncountably infinite, many smooth periodic wave solutions, and kink and anti-kink wave solutions are proved.
在需求价格弹性为常数下对非线性条件下的古诺模型进行探讨。
This article discusses the Cournot model under nonlinear demand and the price elasticity of demand as a constant.
根据模型可求得超声辐射条件下臭氧在水中的自分解反应速率常数和臭氧向水中的传质系数。
Mathematical model was proposed to determine rate constants of ozone self-decomposition in water and mass transfer coefficient of ozone.
随着烧结条件的不同,介电常数几乎不变,但介电损耗以及介电常数的温度系数则较为敏感。
The dielectric constant was almost a constant, while the dielectric loss and temperature coefficient of dielectric constant were sensitive to the sintering conditions.
一定条件下该硝化剂具有较好的反应位置选择性,这一是由于反应介质低的介电常数,二是多孔载体也具有明显的作用。
In this system good regioselectivity can be achieved mainly because of the existence of a porous support and the low dielectric constant of the reaction media.
其次,我们给出了扩散引起正常数平衡解失稳的条件。
Then, for the positive constant equilibrium, we give a sufficient condition for diffusion-driven instability occurring.
弹性弯曲薄板在各种边界条件下,用最小二乘法极值原理可以解算待定常数。
As to elastic flexual plates under various boundary conditions, the undetermined parameters can be solved by the theory of minimization of least square method.
根据动力学曲线获得了乙撑碳酸酯与三种有机胺在不同反应条件下发生胺解反应的速率常数。
The aminolysis reaction rate constants of ethylene carbonate by ethanolamine, diethanolamine and butylamine were obtained according to the kinetic curves under different reaction conditions.
然后证明具有非标准约束的常数模准则在适当条件下是严格凸的。
Furthermore, we show that the constant modulus cost function with non-canonical constraint is strictly convex under some conditions.
在试井分析中通常都是假设岩石特性为常数,这个假设条件在许多油气藏的试井分析中取得了很好的解释结果。
The assumption of constant rock properties in pressure transient analysis gives good results in many oil and gas reservoirs.
文章将建立了具有分段常数滞后变元微分方程组振动的一个充分条件,并讨论其非振动解的渐近性。
The present paper is devoted to the oscillations and nonoscillations of a kind of impulsive delay differential equations with piecewise constant argument.
在将表面产生速度看作常数的条件下,本文导出了MOS结构对阶跃电压瞬态响应曲线的解析表达式。
In this paper an analytical expression of the ct transient response curve of a MOS structure has been derived under the condition that the surface generation rate can be regarded a constant.
在将表面产生速度看作常数的条件下,本文导出了MOS结构对阶跃电压瞬态响应曲线的解析表达式。
In this paper an analytical expression of the ct transient response curve of a MOS structure has been derived under the condition that the surface generation rate can be regarded a constant.
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