查询词典 boundary condition

The underwater enclosure was built along the boundary of target water body and the lake bottom sludge was filled into the enclosure by twisting-suction dredging ship according to designing elevation for the purpose of formation of slope riffle, which will improve natural condition of littoral zone of lake, and create favorable habitation condition for ecological restoration in littoral zone of lake.

文章介绍最新开发的湖滨陡坎沿岸水域基底修复技术，主要采用人工方法在需要进行大型水生植物群落恢复的湖滨陡坎沿岸的水域实施基底修复工程措施，在目标水域边界构筑水下围埝，采用绞吸式挖泥船将疏浚的湖泥按设计高程要求吹填至基底修复工程区内，形成缓坡浅滩，改善湖泊沿岸带自然条件，为湖泊沿岸带生态修复创造良好的生境条件。

The uniqueness of solution of field point, inside a convex region due to singular source with kernel function decreasing with distance increasing, outside-region-distribution such that the boundary condition expressed by the response of the source is satisfied, is proved by using the condition of kernel function decreasing with distance increasing and an integral inequality.

应用奇源解的核函数沿距离递减的条件和积分不等式，可证这类奇源在凸域外分布只要满足以它产生的响应来表达的边界条件时，所引起相应的域内场点解是唯一的。

Both the BIE and transmission condition are transformed into the third boundary condition.

在分析过程中，将传输条件和BIE统一成第三类边界条件形式。

The fundamental solution of the mixed problem with the third kind homogeneous boundary condition and that with the zero initial condition are given respectively.

分别给出具有第三类齐次边条件的混合问题基本解以及具有零初始条件的混合问题基本解。

The third thermal boundary condition equation joined with the degradation rate of interior wall was used to get the contour of interior wall vs. time under the condition of identical heat flux between fluid and solid in axis direction. The numerical simulation results agrees well with that of measurements.

在气流与固壁之间的热流量沿轴向一致的条件下，通过加入降解退移速率的第三类热边界条件方程，求解出不同时间管内壁面轮廓沿轴向变化情况，模拟值与试验结果基本吻合。

The paper studies fault diagnosis technology based on fruticose gas pipe network which is universal in small towns,and gives a particular description of domestic and foreign gas pipe network fault diagnosis technique based on hardware and software currently. The author uses graph theory to build up hydraulic analysis model of natural gas network and presents its solution methods. Besides, the author works out the relation between gas pipe pressure and flux in unsteady condition of fluid flow according to pressure boundary condition and differential equation group, and puts forward fault diagnosis methods and steps of the fruticose natural gas pipe network of middle pressure based on the simplification of this relation.

本文针对小城镇比较普遍的枝状天然气分配管网进行故障诊断技术研究，详细叙述了目前国内外基于硬件和软件的燃气管网故障诊断技术，利用图论理论建立了天然气管网水力分析模型并叙述了其求解方法，根据燃气管内流动的微分方程组和压力边界条件求解出非稳定流动时燃气管道压力和流量的关系，并在对此关系进行简化的基础上提出了基于中压枝状天然气管网的故障诊断方法和步骤。

The model parameters include boundary condition, initial condition, hydrological and geomorphological parameters and the other parameter for controlling the model simulation process.

在不规则无结构网格中，在洪水模拟计算时要用到的网格与边的关系、网格与结点的关系及边与结点的关系必须建立；④模型参数的确定。

In the condition that fault infeed from both terminal is given, the fault point can be found out according to the boundary condition of fault point.

在已知线路任意点的左右侧注入电流的情况下，可以根据故障点边界条件搜索出故障点。

The author disserted the principle and range of intercepting the local model, the methods of applying force and displacement boundary condition, the principle and method of selecting likely most unfavorable live load condition for the joints mechanical states.

论述了结点的截取原则和范围，力边界条件、位移边界条件的施加方法，结点受力状态可能最不利活载工况的选取原则和选取方法。

The results showed the modelling es-tablished and its condition for determination and solving could be used as predic-tion and simulation of the flucturation of soil water in the field under subdrainagecondition,the soil water status in the winter wheat and barley field could be ob-tained at different falling rates of underground water table under any meterologi-cal boundary condition.

结果表明，所建立的模型和定解条件能较好地拟合排降条件下田间土壤水分的变化，可以求获一定外界气象条件下，不同地下水降落速度时，麦田水分变化状况。

Objective To investigate the relationship between ovum fertilization rate and sperm morphology, acrosome reaction in IVF and to explore the influence of parameters of sperm on fertilization rate.

目的 研究体外受精(in vitro fertilization，IVF)中精子形态、顶体反应与卵子受精率之间的关系，分析精子各参数在IVF受精率方面的参考意义。

A: I hear Mr. White wants to run for the Presidency!

我听说怀特先生要参加总统竞选！