查询词典 confidence coefficient

It is found that the overall heat transfer coefficient of elliptic cylinder with k.0 is higher than that of a circular cylinder.At k=6.0,it has the maximum which is about 1.6 times that of a circular cylinder.At the same time,the drag coefficient drops down with the increase of k.For k=2.0,the drag coefficient is about 60％ that of a circular cylinder.

当k.0时，椭圆管的平均对流换热系数高于圆管；当k=6.0时，达到最大值，大约为圆管的1.6倍，同时，其阻力系数随着k的增大而减小；当k=2.0时，阻力系数约为圆管的60％。

Above all, consider combination of 3 kinds of load and different constant load and alterable load effect to compare an effect, gave out representative ferroconcrete component is in give an environment to fall, the affirmatory principle that the reliability of different operating period analysed methodological; to put forward intended performance structure to design reliability level, namely index of reliability of component part of the construction inside intended performance cannot be under the standard; of active standard on foundation of expression of design of reliability of our country structure introduce wear to fold decrease coefficient, gave out the affirmatory method of this coefficient, assure in design phase through this coefficient and achieve target of reliability of component part of the construction inside intended performance not the standard under active standard.

首先，考虑三种荷载组合以及不同恒荷载和可变荷载效应比影响，给出了代表性钢筋混凝土构件在给定环境下、不同使用期的可靠度分析方法；提出了预期使用期结构设计可靠度水平的确定原则，即预期使用期内结构构件可靠度指标不能低于现行规范的标准；在我国结构可靠度设计表达式基础上引入耐久性折减系数，给出了该系数的确定方法，通过该系数在设计阶段保证和实现预期使用期内结构构件可靠度指标不低于现行规范的标准。

This paper discusses the broad-sense relation between solution and coefficient of some special kinds of second order variable coefficient and homogeneous linear differential equation,and have a try of giving a general form of common solution and the coefficient decision formula of special solution.

探讨了某些特殊类型二阶变系数齐次线性常微分方程的解与系数的广义关系，尝试了从理论上给出通解的一般形式和特解的系数决定式。

In virtue of Fluent of CFD software, we carry though computation of aerodynamics of an air-to-air missile in different Mach meter and different attack angle and gained movement trend of lift coefficient、drag coefficient and pitching moment coefficient with variety of Mach number and attack angle, meanwhile, we also obtain distributing trend of pressure, temperature and weather velocity.

借助于商业CFD软件FLUENT，对某型空空导弹在不同攻角、不同飞行马赫数的气动力进行了计算，得出了该型导弹升力系数、阻力系数和俯仰力矩系数随飞行马赫数和攻角的变化规律以及导弹表面的压力分布、温度分布和来流速度分布。

The current coefficientΨ of correction includes many influencing factors. And numerical value of this coefficient varies widely. So the current method was improved from one coefficient to four coefficients in this paper. Three new coefficients of correction were considered to decrease composite ratio of coefficient Ψ and put forward three coefficients to modify calculating result.

针对现行经验系数包含的影响因素太多以致其取值过于离散的问题，在现行规范法计算建筑地基沉降的基础上，对现行方法进行了改进，由原来的1个修正系数改为4个修正系数，用新增加的3个系数反映3个不同方面的影响，以减小原经验系数的综合程度。

The strength and toughness of the nanocomposites are improved because of the addition of anao-Zno. The volume resistance strength and toughness of the nanocomposites are improved because of the addition of nano-ZnO. The volume resistance coefficient is decreased 8×10 times, surface resistance coefficient is decreased 5.7×10^4 times, and the friction coefficient is decreased 29% by adding nano-ZnO. The friction, wear properties, and the antistatic property of MC Nylon 6/ZnO nanocomposite are better obviously than MC Nylon 6. The macro stress of MC Nylon 6 structure is changed by the tensile test so that the preferred orientation of crystal surface (002+202) is more obvious.

纳米ZnO的加入起到同时增强增韧的作用；使体积电阻系数降了8×10^4倍、表面电阻系数降了5.7×10^4倍、摩擦系数降低了29%，MC尼龙6/纳米ZnO复合材料摩擦磨损性能和抗静电性能明显优于MC尼龙6；经过力学拉伸试验的破坏，引起MC尼龙6结构发生宏观应力变化，造成（002+202晶面）产生明显的择优取向。

Different polynomial coefficient combination of amplitude changes is selected as the input signal to minimize the compensation error. A dynamic coefficient polynomial model is given with simplified coefficient estimation algorithm based on direct learning architecture.

动态系数多项式具有多组系数，随着输入信号幅度的变化，多项式选取不同的系数组合，从而降低非线性补偿的误差；文中讨论了动态系数多项式模型的构造方法，并且给出了基于直接学习结构的简化递归系数估计算法。

The division with surplus, the comprehensive division and Eisenstein Test applications on polynomial that can not be divided are mainly discussed; the sufficient condition of that polynomial with coefficient being integer has no integer root, that cubic polynomial with coefficient being integer is irreducible in rational domain and that polynomial with coefficient being integer has not two completely same roots are summed up.

主要论述了带余除法、综合除法及不可约多项式艾森斯坦判别法的应用；总结出了整系数多项式的无整数根的充分性，三次整系数多项式在有理数域上不可约的充分性，整系数多项式无重根的充分性。

Second, Pearson's correlation coefficient test has big warp in the study. Compared with the χ2-test, the Ochiai association test and Pearson's correlation coefficient test, Spearman's rank correlation coefficient test is more sensitive.

Pearson相关检验在研究中有较大偏差，Spearman秩相关检验的灵敏度要大于χ2检验、Ochiai关联度检验和Pearson相关检验。

Apparently, not only good temperature coefficient and regulable output voltage, but also good temperature coefficient output current can be obtained by regulating some of the resistances. The input offset voltage can be restrained by this method also. The result of the emulator shows that the temperature coefficient of the band-gap voltage reference is 2.8 × 10^(-5)/K, and the PSRR is over 70 dB.

从理论分析结果可以看出，该电路可以通过适当调节电阻之间的比例而得到温度特性好的输出电压和电流，以及输出可调的输出电压，还可以抑制失调噪声的影响。

In contrast to the ubiquitous rising-sun-with-rays military flag of the Japanese, Chinese banners and ensigns feature a range of designs.

与遍地都是的太阳军旗不同，中国人的旗帜和徽章设计得各式各样。

From their small corner of Feng's Guangzhou headquarters -- a jumble of pink leashes, squeezable rubber steaks, and plastic doggy Santas for Fido's stocking -- Soleil's designers come up with at least five new products a month.

从Feng 设在广州总部的产品展示柜台上可以看到，Soleil的设计师每月至少设计出5件新产品。