A new type of hydraulic pulse vibration generator installed at bottom of casing strings was developed.

研制了新型水力脈沖振動(dòng)注水泥裝置91在线亚洲视屏，該裝置安裝在套管底部，在注水泥過(guò)程中產(chǎn)生水力沖擊作用于套管国内顶级A片大豆网、水泥漿和鉆井液激情性爱国内自拍，通過(guò)消除氣泡、清除泥餅麻豆av在线、提高頂替效率和水泥石強(qiáng)度來(lái)提高水泥膠結(jié)質(zhì)量国产一区视频在线看。

Both the linear term and nonlinear term of hydraulic gradient representing the energy dissipation due to inertia force and viscous force respectively are increasing with the increase of specific discharge. At the same time, the portion of nonlinear term in hydraulic gradient increases continuously.

此時(shí)，水力梯度中以黏性力和慣性力消耗能量為主導(dǎo)的滲透流速線性項(xiàng)和非線性項(xiàng)均逐漸增大日韩成人网址播放视频在线播放免费，同時(shí)非線性項(xiàng)占水力梯度的相對(duì)比重隨流速的增大而不斷增大5区av在线播放。

New type water gauge and infrared modulated propeller type micro current meter are developed, and collective acquisition of distributed velocities is realized.

本文關(guān)于水力阻力和自動(dòng)測(cè)控系統(tǒng)的成果均應(yīng)用于實(shí)際工程水力模型研究，形成了有一定特色的體系免费在线观看国产黄片视频。

The design method of the low specific speed centrifugal pump is the problem that is waiting to be solved in the fields of pump waterpower design.

而低比轉(zhuǎn)速離心泵葉輪的水力設(shè)計(jì)方法更是泵的水力設(shè)計(jì)領(lǐng)域中有待解決的問(wèn)題久草视频99精品。

Through the comparative analysis that: the arc-tooth flow of hydraulic performance is better than the arc, Adopting optimize the design parameters of the structure, reducing the flow rate of 0 regions, and strengthen vortices regions, improved irrigation arc tooth for hydraulic performance and anticlogging ability, irrigation design recommended by arc-tooth flow structure.

通過(guò)對(duì)比分析認(rèn)為：弧齒形流道水力性能優(yōu)于弧形流道2022国内性爱精品久久偷拍，可以通過(guò)結(jié)構(gòu)參數(shù)優(yōu)化設(shè)計(jì)，減小0流速區(qū)域视频亚洲日韩，強(qiáng)化旋渦區(qū)1024手机看片金沙人妻久久，提高弧齒形灌水器的水力性能與擾堵塞能力，灌水器設(shè)計(jì)中推薦采用弧齒形流道結(jié)構(gòu)形式亚洲天堂2020av。

The conclusion is that the "ω" shape suction champer has excellent hydraulic characteristic in different inlet flow conditions. Its hydraulic loss is small and velocity-averaged streamline angles on special cross sections are approximately 90°.

試驗(yàn)和數(shù)值分析結(jié)果表明：采用&ω&形后壁吸水室鐘形進(jìn)水流道在不同進(jìn)水條件下均具有良好的水力性能色色色..com，水力損失小，流道出口斷面速度加權(quán)平均入流角接近90亚洲欧美中文字幕在线一区下载？

The structure and principle of hydraulic injector which was key equipment of vacuum system for evaporation in chlor - alkali production was introduced. Process of calculation for design and size of each components of hydraulic injector were described in detail.

龍榮介紹了氯堿生產(chǎn)中蒸發(fā)裝置真空系統(tǒng)的關(guān)鍵設(shè)備一水力噴射器的結(jié)構(gòu)及原理亚洲偷窥自拍，對(duì)水力噴射器的設(shè)計(jì)計(jì)算過(guò)程、各部件尺寸都作了詳盡的描述午夜h片，就設(shè)計(jì)過(guò)程中的兩點(diǎn)不足作了改進(jìn)极品老妇黄色视频。

YTS series circinal cylinder is a rough choosing equipment in the waste paper recycling product line .Fixing it behind waterpower pulp machine to process the big and heavy impurities which come from the waste paper pulp coming out the waterpower pulpmachine.To reduce the in order to ensure the quality.

YTS系列圓筒篩是廢紙回收生產(chǎn)線中的一種粗篩選設(shè)備，設(shè)置于水力碎漿機(jī)之后日韩欧美人成第一页，對(duì)于從水力碎漿機(jī)中出來(lái)的廢紙漿進(jìn)行篩選欧美黄2，除去大、重雜物www.av天堂.cn，減輕后面流程中篩選設(shè)備的負(fù)擔(dān)欧美三级在线不卡观看，以保證篩選質(zhì)量。

As we all know, In order to adapt to the needs of national economic constructions,To solve the problem of river traning in the land management,the computation of water conveyance losses in the water conservacy constrution,the flood computaton in the Flood Prevention,the Hydrological Computation when bridge design of bridge in the highway and railway constructions, and the roughness of the river channel is a important parameter in the Hydraulic calculation, many scholars commtted to the roughness of the river floods.

為了適應(yīng)國(guó)民經(jīng)濟(jì)建設(shè)的需要天天干在线视频观看，解決國(guó)土整治中的河道治理人人摸人人操589，水利建設(shè)中的輸水損失計(jì)算，洪水計(jì)算少妇卖身全黄毛片，公路日本女孩高潮、鐵道建設(shè)中的橋梁設(shè)計(jì)都涉及到水力計(jì)算，其中糙率是水力計(jì)算中的重要參數(shù)国产午夜福利游戏视频在线播放，很多學(xué)者致力于河流洪水糙率的研究黄网欧美日韩一区。

On the base of the hydraulic model tests of a chute spillway with outer bulging step energy dissipater,in which the chute slope is 1∶2～1∶6,the hydraulic characteristic of stepped chute spillway is discussed.

在坡度i=1∶2~1∶6的的陡槽溢洪道外凸式階梯消能工水力模型試驗(yàn)基礎(chǔ)上，對(duì)不同階梯體型的陡槽段水力特性進(jìn)行研究探討精品人妻系列无码人妻男男。