查询词典 polynomial coefficient

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。

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。

On the basis of correlation coefficient stationary process ,this paper gives the definition of multi-dimensional correlation coefficient steady process and introducts the series of multi-dimensional correlation coefficient steady process.

在相关系数平稳过程的基础上，给出多维相关系数平稳过程的定义，建立了新的多维相关系数序列的理论和方法，给出了多维相关系数序列的极大似然估计。

Studies of stability of capacitance for the standard capacitor include temperature coefficient, voltage coefficient and pressure coefficient of capacitance, i.e., the rules of variation of capacitance as a function of temperature, voltage and pressure.

1000kV标准电容器是目前国内研制的电压等级最高的标准电容器，本文在分析国外标准电容器有关资料和多年来积累的研究和制造500kV及以下标准电容器经验的基础上，针对1000kV级标准电容器进行了大量的研究工作，主要内容包括标准电容器的电容稳定性、介质损耗、电场分布的分析与调整、沿面电位分布等研究。

For the first patern, elastic dynamics is adopted to study the steady state rolling contact, elastic dynamics incorporating with rigid dynamics is adopted to study the non-steady state. For the steady state, the analytical solution is obtained, and for the non-steady state, the variational formulation to solve the problem numerically is derived For the later patern, the function type friction coefficient is introduced. On the basis of the quasi-stastic theories of constant friction coefficients, both the exact theory and the simplified theory of the function type friction coefficient are established, the computer programms for both the theories are also made out. Using the function type friction coefficient, Shen-Hedrick-Elkins theory's application range is extended to large creepage .

对于速度对接触体力学特性的影响，本文采用弹性动力学方法和弹性动力学与刚体动力学相结合的方法分别对稳态和非稳态两种情况进行了研究，得到了稳态情况的解析解，给出了对非稳态情况进行数值求解的变分公式；对于速度对相关物理量的影响，本文主要讨论了速度对摩擦系数的影响，在滚动接触准静态理论的基础上引进了函数型摩擦系数，建立了函数型摩擦系数的滚动接触准静态精确理论和简化理论，并分别编制了相关的计算程序，还用函数型摩擦系数将简便的Shen-Hedrick-Elkins理论的适用范围扩展到大蠕滑区。

A complete set of thermodynamically consistent property data (vapor pressure, aqueous solubility, octanol solubility, octanol-water partition coefficient, octanol-air partition coefficient, and air-water partition coefficient) for sixteen PAHs naphthalene, acenaphthylene, acenaphthene, fluorene, phenanthrene, anthracene, fluoranthene, pyrene, chrysene, benzoanthracene, benzofluoranthene, benzofluoranthene, benzopyrene, indeno[1,2,3-c,d]pyrene, dibenzo(a,hanthracene and benzoperylene was derived from measured data reported in the literature.

然而，由于存在实验室内、实验室间和不同仪器、不同方法间的误差等因素，已发表的物化性质数据存在小分子量PAHs物化性质参数多但存在差异、大分子量PAHs相关参数较少甚至缺乏的问题。

In this paper, a new conflict coefficient is presented. First, the deficiency of the classical conflictive coefficient is analyzed. Then, the distance function between evidences is introduced. A new model to represent conflict is constructed with the distance function and the classical conflictive coefficient. Finally, numerical examples verify the efficiency of the proposed method.

针对这一问题，首先分析了证据理论中经典冲突系数的不足，引入证据距离函数表示证据之间的差异性，结合经典冲突系数一起提出了一种新的证据冲突表示方法，克服了经典证据理论冲突系数的不足，能更有效地度量证据的冲突程度，最后通过算例验证了该方法的有效性。

The second is to cut a mere 100 calories from your diet , which is the equivalent of a tablespoon of butter.

第二个就是从你的饮食中减少一百卡路里，只是相当于一大汤匙的黄油。

This is where the Rorschach test comes in.

现在，罗氏测试就出现了。