流速桿 的英文怎麼說
中文拼音 [liúsùgǎn]
流速桿
英文
current pole-
The extruders drived by d. c motor with a thyristro to stepless regulate. it also equipped with the over - load prtection and stoppage alsrmingsystem. the screws core and the outside of barrels are cooled by the circulation of oil, ther fuctions include vacuum venting and forced feeding
本機採用直流電機，可近期硅無級調速，沒有過載保護和故障報警、螺桿芯部油循環恆溫、機筒油冷卻，並裝有真空排氣管裝置和定量喂料裝置。Stick-slip flow is a jerky movement of compacted grains with velocity of particles at the walls slightly lower than in the rod like core.
粘附滑移流動是一種密集顆粒的急跳式的運動，在壁面處，顆粒的速度稍低於呈桿狀的中心的速度。Quinic acid, used shikimate pathway in e. coli, it is necessary to extend metabolic pathway by introduction of a heterogenous gene qutb into the host cell. double specific enzyme genes arog, qutb or three ones arog, qutb, arob were co - expressed in a single plasmid pbv220 to improve the enzymes " rate - limiting reactions. modifications of e. coli chromosome by both disruption of the arod gene and directed - site insertion of the arob gene resulted in the change of carbon flow redirected into the quinic acid biosynthesis branch
利用大腸桿菌莽草酸途徑合成新的代謝物奎尼酸，須在宿主細胞引入異源酶基因擴展代謝途徑；串聯表達酶基因，同時適量增加不同種屬的多個關鍵酶酶量，改善限速反應；利用同源重組進行基因整合和基因破壞，改造染色體結構定向改變微生物代謝途徑；目的是將碳代謝流最大程度的引向奎尼酸生成的方向。The nano - sno2 electrode was used as bioelectrochemical sensor in chronoamperometry to count fastly e. coli with the advantages of quickness, simple operation and high sensitivity
實驗結果表明，用該電極為工作電極，採用計時電流法能簡便、快速、靈敏地對水體中的大腸桿菌進行計數。The company is specialized in the production of small diameter valve suitable for electrical station as well as sampling device and automatic feeding device for firepower electric plant, stop valve for high temperature and high pressure condition, throttle valve for high temperature and high pressure condition, counter - pressure high efficiency cooler, bi - screw reducer, fine adjustment valve together with pipe break, stop valve, diaphragm valve, plug - in speedy connector, ball valve and various special valves in addition to meter connector
公司主要專業生產小口徑電站閥門及火力發電廠的爐內化學檢測集中取樣裝置、爐內自動加藥裝置，高溫高壓截止閥，高溫高壓限流閥，反壓式高效冷卻器，雙螺桿減壓閥、微調閥等取樣裝置件和石油化工行業使用的管道閘閥，截止閥，隔膜閥，承插式快速接頭，球閥及各種特殊閥門，儀表接頭等。When the governing valve was series - connected on the return oil - line in the metering - out control system, under the same flow area and the same adjusted pressure of relief valve, with the incremental quantity of step load, the pressure highly - adjusted capacity of the hydraulic cylinder chamber with piston - rod increased, meanwhile, it ' s time of rise, time to peak and the governing time all increased. at the same time, the pressure highly - adjusted capacity of the hydraulic cylinder chamber without piston - rod increased
當出口節流調速系統的回油路上串接調速閥時，隨階躍負載的增加，在相同流量閥開度、相同溢流閥調節壓力的情況下，液壓缸有桿腔壓力p _ 2 （ t ）的超調量是增加的，上升時間、峰值時間以及調整時間也是增加的；液壓缸無桿腔壓力p _ 1 （ t ）的超調量是增加的。The thing flows the trolley name carrying trolley ; the surface uses the electricity to galvanize, the contour artisticly, the service life is long ; attaches the security leather belt, the fixed link loading and unloading speed is quick, both is advantageous for the mechanized transporting, and is suitable for the short distance the manual shift, may realize the plan production, saves the manpower, reduces the cost ; with thing and so on turnover box flows the vessel coordination use, may realize the modular management, the setting at space is big, folds the collection not to occupy the space ; is suitable the thing flows the transporting in the enterprise working procedure ; also may or allocates and dispatches the center in the factory to install the cargo to transport to the store, a direct achievement commodity goods part
物流臺車又稱載物臺車；表面採用電氣鍍鋅、外形美觀、使用壽命長；附安全皮帶、固定桿裝卸速度快，既便於機械化搬運，又宜於短距離的人力移動，可實現規劃生產，節省人力，降低成本；與周轉箱等物流容器配合使用，可實現單元化管理，置物空間大，折疊收藏不佔空間；適用於企業工序間的物流搬運；也可在工廠或配送中心裝上貨物運到商店，直接作為商品貨架的一部分。When the electrohydraulic push rod works, if the external force suffered by the piston rod is more than the setting output torque, the piston moves to the end ; oil pressure in the oil pipeline increases rapidly to the setting value, the safety valve overflows rapidly, to achieve overload protection
電液推桿工作時，當活塞桿所受外力超過調定的輸出力距活塞運動到終點；油路中的油壓迅速增高至調定值，安全閥迅速溢流，實現過載保護。Under the function of big pressure and dynamic load, the grains may be moved which may cause the soil body distortion. at present, the relatively ripe methods of drill in gravel layer are mostly double - wall drill pipe reverse circulation drilling, auger stem breast wall drilling and down - the - hole hammer follow down drilling
論文根據jsl ? 30型礫石鉆機潛孔錘同心跟管鉆具結構，採用程序計算得到了鉆桿內各深度處壓力分佈、鉆頭壓力降、環形空間壓力分佈及空氣流速分佈。Used the metering - out control system in which the hydraulic cylinder was the executive element as research object in this thesis, the experimental research about the effect on the pressure p1, p2 of the hydraulic cylinder chambers when series - connecting throttle valve or governor valve on the return oil - line under the step load changing have made
本文以單出桿液壓缸為執行元件的出口節流調速系統為研究對象，在其迴路上分別串接節流閥和調速閥，當負載發生階躍變化時，對液壓缸兩腔壓力p _ 1 、 p _ 2的影響進行了試驗研究。In order to overcome such slow response to flow retardation, the disc may be supplied with a levermounted or with spring loaded
為了克服對于流量減速的遲緩反應，這種閥瓣可能要配置杠桿或彈簧負載來幫助止回閥的啟閉。In order to improve the level of automation design for the plane double - enveloping worm - gear reducer, this paper developed a cad prototype system for the reducer. the cad prototype system included two parts : 1 ) the optimization design software of the parameter for the worm gear was written by visual basic 6. 0 ; 2 ) the parameter modelling software for the reducer was developed by using autocad2000 / vba
為了提高平面二次包絡環面蝸桿減速器的自動化設計水平，針對目前國內還沒有平面二次包絡環面蝸桿減速器的計算機輔助設計軟體這一現狀，本文研究和開發了平面二次包絡環面蝸桿減速器cad原型系統：用當今比較流行的可視化軟體visualbasic6 . 0開發專門用於平面二次包絡環面蝸桿傳動的優化設計系統；用autocad2000 / vba開發的中心距從80mm到710mm的平面二次包絡環面蝸桿減速器的參數化建模軟體系統。Using three - dimensional particle trajectories dispersed droplet diameter at the outlet of screw element during compounding in a co - rotating intermeshing twin - screw extruder was computed
摘要用物料三維流動路徑結合分散模型計算了螺紋元件出口處分散相液滴的直徑，分析了螺桿轉速、擠出機產量和液滴初始直徑對末端分散相液滴直徑的影響。Accorded to the experimental research, under different flow area of flow valve and different adjusted pressure of relief valve, conclusion that the regulation of the pressure p1, p2 in the two cylinder chambers varied with the change of step load were as follows : when the throttle valve was series - connected on the return oil - line in the metering - out control system, under the same flow area and the same adjusted pressure of relief valve, with the incremental quantity of step load, the pressure highly - adjusted capacity of the hydraulic cylinder chamber with piston - rod decreased, meanwhile, it ' s time of rise, time to peak and the governing time all decreased. while the pressure highly - adjusted capacity of the hydraulic cylinder chamber without piston - rod increased
通過試驗研究得出系統在不同的流量閥開度、不同溢流閥調節壓力（進口壓力）下，液壓缸兩腔壓力p _ 1 、 p _ 2隨階躍負載變化的規律：當出口節流調速系統的回油路上串接節流閥時，隨階躍負載的增加，在相同流量閥開度、相同溢流閥調節壓力的情況下，液壓缸有桿腔壓力p _ 2 （ t ）的超調量是減小的，上升時間、峰值時間以及調整時間也是減小的；液壓缸無桿腔壓力p _ 1 （ t ）的超調量是增加的。( 2 ) in the original system because of the area between the piston and the piston pole is too small, the system pressure will rise when in the return stroke. and the reliever valve will open. the return velocity will reduce
（ 2 ）原設計中，由於活塞和活塞桿的面積差很小，回程上行時，系統壓力會迅速升高造成溢流閥的溢流而使回程速度降低，從而降低了系統的工作效率。For single loop system, the position and speed controllers are realized by neural network, the output of network is determined by the electric current related with the desired acceleration, and the acceleration tracking control is realized indirectly, which improves the trajectory tracking performance of the mobile platform
對單桿系統，位置和速度控制器由神經元網路實現，網路輸出為產生理想加速度所需的電流，實現了加速度的跟蹤控制，提高了動平臺的軌跡跟蹤性能。By analyzing the different kinds of in use reducer and integrating the current research and considering the down hole operating condition, a kind of closed loop power distributional planetary gear reducer is put forward as a proper reducer to directly connecting the motor and the progressing cavity pump
對目前使用的各種減速器進行結構分析和論證，結合國內外的研究和設計情況，並根據井下螺桿泵的工作條件，提出封閉式功率分流行星減速器作為聯接潛油電機驅動螺桿泵工作的減速器的方案。分享友人