查询词典 implicit difference scheme

Analyses characteristics of the wind turbine and ventilation fan for underground engineering, and discusses the matching scheme with a wind turbine as power supply. Verifies the scheme with calculation examples.

通过对风力机和地下工程用通风机特性分析，讨论了利用风力机作为动力源驱动通风机对地下工程进行通风的匹配方法。

Advanced optimum control scheme was presented after the analysis of shortage in traditional three wash control scheme of boiler water level.

分析了传统三冲量锅筒水位控制方案的不足，引入压力参数作为补充控制量，提出了改进的优化控制方案。

With the engineering practice of 2×1000MW ultra-supercritical unit of Stage 4 Project of HDPI Zouxian Power Plant at the period of equipment designing and selecting,the advantages and disadvantages of two-row arrangement scheme and single-row arrangement scheme of the high-pressure heaters are discussed in detail.

结合华电国际邹县发电厂四期工程2×1000MW超超临界机组在设计及设备选型阶段的工程实践，对选用双列高加布置方案或单列高加布置方案的利弊进行了详细的论述，所述内容应对以后的超超临界机组的系统设计有所借鉴作用。

Position transformation error is a important part in research of north seeking scheme, the thesis analyses position transformation bringing error of north seeking in two-position scheme and brings forward the method of position transformation error measurement and compensation.

在寻北方案的研究中，转位误差是一个不可忽视的部分，文中以二位置为例分析了转位误差引起的寻北误差和转位误差的关系，并提出了测量和补偿方法。

At the same time, the proportion scheme of "two-high and one-medium" was replaced by the scheme of "three-medium", and the technical parameters were optimized, the central control operation was improved.

工艺设备方面，技术陈旧、产量低、能耗高的生料制备以及熟料煅烧与冷却设备等实施改造和更换；同时，改原有的&二高一中&配料方案为&三中&方案，并优化工艺参数，完善中控操作。

Finally, based on the principle of the selection of express highway, the scheme of the selection of express highway of the Qinyu landslide is optimized and proposed the scheme of right bank tunnel is the best from the engineering and geological perspective.

综合上述研究成果，结合公路选线原侧，从工程地质角度上，对秦峪滑坡群段公路选线方案进行优化，建议右岸隧道方案为最优方案。

Not only the overall scheme for the frame of this system is determined, but also the scheme for transmission of luffing motion and rotating motion is done. In addition, the design and calculations are done for driving, transmitting, hoisting, balancing jib, tower cap and dolly of luffing motion.

本文确定回转塔式起重机试验台的总体结构方案，确定变幅运动和回转运动的传动方案，设计和计算变幅运动的驱动部分，传动部分，起重臂，平衡臂，塔冒和小车。

A scheme is put forward, which is designed for to-and-fro maglev train between two stations, and the practicable methods for each part of this scheme are discussed.

提出了适用于我国现阶段的，两站间往复式磁悬浮列车线路的ATC系统方案，讨论了各部分的组成和实现方法。

The following are main contents studied: A finite element method for Navier-Stokes equation with ALE formulation is considered and by combined with theNewmark method of numerical intergration a pressure correction scheme is obtained for the solution of the FE formulation of N-S equation. Because the incompressibility condition can be satisfied approximately in this scheme, the interpolation functions of elements can be equalorder for the velocity field and pressure field. In the ALE formulation the fluid-solid interaction analysis became a three-field coupling problem of the fluid field, the solid field and the fluid dynamic mesh. The properties and charactiristices of this three-field coupling problem are deeply discussed.

研究的主要内容有：主容器中流体大晃动是一种强非线性问题，文中研究了求解ALE描述的粘性流体N-S方程的有限元方法，以有利于大晃动自由液面的跟踪和流体大晃动中非线性现象的描述；并结合Newmark数值积分法推出了求解ALE型N-S方程的压力修正解法，由于这种解法可以近似满足不可压条件，因此可以采用速度场和压力场等阶插值的有限元离散格式，从而较好地解决了普遍采用的不等阶插值解法中，速度场和压力场数值精度不一致、程序编制不便等的不足。

In chapter 7 the photoassociation process inside an optical lattice is investigated. A scheme of controling the atom-molecule transformation process by sweeping the Raman laser frequency is proposed. With this scheme, the atom-molecule superposition state and coherent molecular output can be obtained.

在第七章，我们会考察光学晶格上的光子离解过程，并提出利用激光扫频的方法对光学晶格上的原子一分子相互转换过程进行控制，以得到稳定的原子一分子叠加态并实现分子相干输出的方案。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。