查询词典 analytical

According to the literatures about the gold contents in crust, rocks and sediments published in recent 15 years and a huge amount of reliable analytical data in the study about crust and rocks accumulated, it is recommended that the gold abundance in the crust and in the exposed crust are 1.0 and 0.8 ng/g, the average contents of gold in rocks, igneous rocks, sedimentary rocks and metamorphic rocks are 0.9, 0.6, 1.0 and 1.0 ng/g, the average contents of gold in stream sediments, flood plain sediments, shallow sea sediments and soils in China are 1.4, 1.6, 1.2 and 2.0 ng/g, respectively.

根据近15年来发表的大量有关金在地壳、岩石和沉积物中含量的文献，结合作者在地壳与岩石研究中积累的金的大量可靠数据，综合给出金的地壳丰度为1.0ng/g，出露地壳丰度为0.8ng/g，金在岩石、火成岩、沉积岩和变质岩中的平均含量分别为0.9、0.6、1.0和1.0ng/g，金在中国水系沉积物、泛滥平原沉积物、浅海沉积物和土壤中的平均含量分别为1.4、1.6、1.2和2.0ng/g。

Based on the mechanics peculiarity of preflexed beam, a whole process analytical method of time dependent factors include concrete creep, shrinkage and steel relaxation based on strain theory is proposed in this paper.

本文根据预弯组合梁的受力特点，建立了以应变理论为基础的综合考虑混凝土收缩、变以及钢梁的松弛等时效因素的全过程时效分析方法。

By taking the effects of Ge fraction and strain on the energy band structure and effective masses into account, the analytical model of the effective densities of states of the conduction and valence bands are proposed, and the temperature and Ge fraction dependence of the effective densities of states are also studied. Following this, the temperature and Ge fraction dependence of intrinsic carrier concentration in strained SiGe layers are analytically calculated. Furthermore, carder freezeout effect and the minority carrier trapping effect of the shallow-level compensated imputities in strained SiGe layers at low temperatures are investigated.

其中，分析了应变SiGe层的临界厚度、能带结构、禁带宽度及禁带变窄模型；在考虑了Ge组份和应力对应变SiGe层能带结构的影响后，给出了较为精确的SiGe应变层的导带和价带有效状态密度的模型，并研究了有效状态密度与Ge组份及温度的变化关系；分析了应变SiGe层的本征载流子浓度及重掺杂下的禁带变窄；讨论了低温下应变SiGe层中的载流子冻析效应，并计算了SiGe应变层的电离杂质浓度与Ge组份及温度的关系；研究了应变SiGe层低温浅能级补偿杂质的陷阱效应；给出了应变SiGe层多数和少数载流子迁移率以及少数载流子寿命模型。

By adopting the center arm six-bar steering mechanism and using the analytical method to synthesize the four-bar mech...

采用中心臂六杆转向机构，由解析法综合出符合要求的四杆机构，再将其绕中间位置镜像，并确定适当调整各杆的位置，使其在给定输入转角范围内，输出转角值尽可能接近阿克曼原理计算的输出值，使车辆获得良好的转向性能。

It is convenient to make further improvement of steel fiber concrete analytical program with the plain module.

程序的模块清晰，便于进一步扩展及完善钢纤维混凝土结构的分析程序，并且对不同的物理模型具有良好的扩展性。

The mathematical model of direct steam heater control loop based on mechanism analytical method was built.

以直接蒸汽加热器为研究对象，通过机理分析法建立了直接蒸汽加热器温度控制回路各环节的数学模型。

Limits to the minimum spot size, imposed by space-charge effect, emittance and spherical and chromatic aberrations of the lens, are investigated by means of a five-order radial trajectory equation, the K~V envelope equation and an analytical method.

理论上，利用推导的非线性轨迹方程、K-V包络方程及解析方法研究了空间电荷效应、发射度、透镜球面像差和色散像差对最小焦斑直径的限制并对聚焦实验布局和参数进行了优化选择。

This paper first presented a brief review on the sound-producing organs and mechanisms found in different orders of insects as well as insect acoustic signal characteristics,signal collecting and analytical methods.

本文简要评述了不同目昆虫的发声器官和发声机制，及其声音信号特征和信号采集分析方法，并讨论了昆虫声音信号的研究趋势和实际应用问题。

Based on the nonlinear geometric relation between strain and displacement of flexible cable , the equilibrium equation under self-weight and influence of temperature are established and an analytical solution of displacement and tension distribution defined in Eulerian coordinate system is accurately obtained.

根据柔索应变与位移的非线性几何关系以及自重作用和温度影响下的平衡方程，采用欧拉描述的坐标系统精确地求得了各点的位移和张力的解析解。

On the basis of nonlinear geometric relation between strain and displacement for flexible cable, the equilibrium equation under self-weight and the influence of temperature, an analytical solution of displacement and tension for every point defined in Eulerian coordinate system is obtained accurately.

根据柔索应变与位移的非线性几何关系以及自重作用与温度影响下的平衡方程，采用欧拉描述的坐标系统，精确地求得了各点的位移和张力的一般解。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。