查询词典 first order

The first order statistical properties of the ultrasonic speckles reflected from an interface is analyzed theoretically and experi mentally.

对界面反射超声散斑场的一阶统计特性进行了理论和实验分析。

Very good results were obtained in logP modeling for carboxylic acid, ethanol, phenol, aldehyde, ketone, ether, ester and amine. A QSPR model of logP for many kinds of substances was established by multi-linear regression with the first-order molecular connectivity valent index 〓 and the number of hydrogen bonds N as two patameters.

利用这两类结构参数，分别建立了脂肪族羧酸、芳香族羧酸、醇、酚、醛、酮、醚、酯、胺类物质的疏水性常数定量模型；在此基础上，建立了包含8类基本有机物144种物质的疏水性常数的定量模型，并提出logP的简化模型。

A quantum confinement model is used to explain the experimental results of the first order optical phonon mode.

采用一个量子限制效应模型来解释纳米硅线的一阶光学声子的实验结果。

Considering nodal pressure as the evaluating indicator, functional reliability indexes of the nodes were calculated by the mean-first-order-second-moment method which was originally developed for structural reliability analysis.

在进行供水管网的抗震功能可靠度分析时，借鉴结构可靠度的分析方法，以节点水压为评价指标，采用均值一次二阶矩方法计算管网各节点的功能可靠度，该方法通过一次水力分析即可给出震后低压供水和渗漏状态下管网各节点的可靠性指标，较之前发展的随机模拟方法大为简化且概念清晰。

Considering nodal pressure as the evaluating indicator, functional reliability indexes of the nodes were calculated by the mean-first-order-second-moment method which was originally developed for structural reliability analysis.

在进行供水管网的抗震功能可靠度分析时，借鉴结构可靠度的分析方法，以节点水压为评价指标，采用均值一活动板房次二阶矩方法计算管网各节点的功能可靠度，该方法通过一次水力分析即可给出震后低压供水和渗漏状态下管网各节点的可靠性指标，较之前发展的随机模拟方法大为简化且概念清晰。

The excluded volume effect of nucleons is studied by calculating the first order self-energy of the nucleon in nuclear matter with perturbation theory as the volume of nucleons is considered, then its influence on the equation of state of nuclear matter is discussed.

在相对论平均场框架内计算了核子体积对核物质中核子自能的一级微扰修正，并进一步讨论了这种修正对核物质状态方程的影响。

The first order diffraction intensity of three Ni and three Ge zone plates is compared with that of an Au zone plate.

分别将3个镍和锗波带片的一级衍射强度与金波带片进行了比较。

Starting from the basic governing equations of axisymmetric Biot's consolidation of saturated transversely isotropic soils, and taking Laplace transform with respect to time t and Hankel transform with respect to r, the first order ordinary differential equations in term of z are obtained.

从横观各向同性地基轴对称Biot固结的基本方程出发，通过关于t的Laplace变换和关于r的Hankel变换，得到关于z的一阶常微分方程组。

The principle of reliability calculation is analyzed and by applying first order second moment method in structural reliability analysis of wing wall tunnel portal ,satisfying conditions acquired.

分析了可靠度的计算原理，介绍了用一次二阶矩阵法计算翼墙式隧道洞门的过程，提出了可靠度指标的满足条件，指出采用一次二阶矩阵法分析结构可靠度能够满足工程要求。

Firstly, the steady state statistical properties of the logistic growth model with colored noise are analyzed when the unified colored noise approximation is applied. It is found that the noise correlation time and the coupling between noise terms can induce first-order-like phase transition and re-entrance phase transition phenomenon.

首先，用统一色噪声近似理论分析了含有色噪声的Logistic 增长模型的定态分布函数，发现噪声相关时间τ和噪声间的耦合λ均能诱导一级相变类比和重复相变现象。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。