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With the increase of the momentum driftage of oxidic atmosphere add, at 10% concentration, when h/H<0.075, its concentration depress along the height, when h/H>0.1, its concentration increase, the whole concentration is to be symmetrical, from h/H=0.075 to h/H=0.1 is the vast changed area.

最后比较了两种搅拌方对浆池高度方向上浓度和粒度分布的不均匀性影响,发现机械搅拌或者水力搅拌对浆池内浓度和粒度均匀性作用基本相同,对于浆池中的传质反应物质采取提供的任意一种搅拌方式都能够满足使之扩散到浆池的目的,结果是等效的。

PDC bit crown profile, consisting of single circular arc parabola profile or dual cone profile with deeper inner taper is introduced. Cutter arrangement for various bits is determined. The bit is improved by the application of hybrid cutting structure and detailed analysis of hydraulic structure. Simultaneously, bit stability is enhanced using multiple bit stable structure design techniques such as deep inner taper, force balance and hybrid cutter arrangement etc.

提出了以单圆弧抛物线形轮廓或双锥轮廓配以较深的内锥组成PDC钻头的冠部轮廓,确定了各种钻头切削齿的分布密度,应用了各类切削齿混合设计切削结构,对PDC钻头的水力结构做了详细分析研究;同时,结合深内锥、力平衡、混合布齿等多种钻头稳定性结构设计技术,以增加钻头稳定性。

John Everard, British ambassador to Pyongyang until last year, told the conference, organised by western embassies in Seoul, that he had visited a new hydroelectric power station in the North.

在首尔的西方国家大使们组织的一个会议上,去年卸任的英国驻平壤大使。约翰埃弗拉德表示,他曾访问过一个位于北方的新的水力发电站。

An improved model, which considers the joint face and rock mass respectively at the same time, has been advised in this paper. In this model the equation is established and unified solution is made, considering the hydraulic exchange between the structure plane in normal direction and the rock mass and according to the equal water pressure of two kinds of medium.

为此,在分区的同时考虑结构面和岩块的渗透特性,并考虑结构面法向与岩块之间的水力交换,利用两类介质接触处水头相等及节点流量平衡建立新的模型。

Based on the above mentioned areas of research, the flow characteristics of folded plate flocculator has a significant impact on the coagulation effect and the best combination of folded plate in flocculator is obtained that is a great guide to actual projects

论文通过对上述几方面的研究,验证了折板絮凝池的水力特性对絮凝效果具有重要影响的结果,得出了折板絮凝池中折板角度的最佳组合设计方案,对实际工程具有重要的指导意义。

The formation of granular sludge is consanguineous with waterpower, and the formation is under the gravitation, flotage and shearing strength, and the diameter is affected by VOL of reactor.

颗粒污泥的形成与水力条件关系密切,颗粒污泥是在重力、浮力和阻力以及剪切力的作用下形成的,直径的大小与容积负荷有关。

According to the operating characteristic of the fluidics and the theory of hydromechanics, a dynamic model of the impactor is established, in order to bring the percussive rotary drilling technology into full play. Also a simulation program is developed to calculate the working properties of the impactor. By using the simulation program, the variation laws of the basic parameters of the hydraulic impactor under different structural parameters and hydraulics are obtained.

为充分发挥冲击旋转钻井技术的应用效果,在考虑射流元件工作特性的基础上,运用流体力学理论建立了液动冲击器工作动力学模型,并编制了计算液动冲击器性能参数的模拟程序,通过模拟计算程序得到了在不同液动冲击器结构参数和钻井水力参数下液动冲击器基本参数的变化规律。

Statistical and stochastic analysis of h ydraulic conductivity and particle size in a fluvial sand[J].

由于污染物的宏观弥散系数与污染物浓度的方差是所研究区域的土壤水力特性参数的统计特征值的函数[12]。

A combined Gauss main-element elimination method with compress-storage technique is proposed, which with the characteristic of less-storage requirement, small rounding off and high stability, and solved the problem of large storage requirements in solving large linear algebraic equations in river networks hydraulics

提出了压缩存贮形式的Gauss列主元消去法,该方法具有存贮量小、舍入误差小、数值计算稳定的特点,在一定程度上解决了河网水力计算问题中关于众多线性方程组的存贮及其求解过程中可能面临的困难。

Shanghai and Shanghai Valve Factory workers are a collection of scientific research development, manufacturing, sales and service in one large state-owned enterprises valve, is the most important and biggest gate valve, globe valve, ball valve, butterfly valve, hydraulic control valve excellent suppliers.

上海沪工阀门厂是一家集科研开发、生产制造、销售服务于一体的大型国有阀门企业,是全国最主要的和最大的闸阀、截止阀、球阀、蝶阀、水力控制阀的优秀供应商之一。

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I didn't watch TV last night, because it .

昨晚我没有看电视,因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。

I'm running my simile to an extreme.

我比喻得过头了。