步進泵 的英文怎麼說
中文拼音 [bùjìnbèng]
步進泵
英文
gradient pump-
Under the incentive of the civil - market demanding such as laser material processing and the military - market demanding such as a new generation of laser weapon candidate and icf, diode - pumped solid laser ( dpsl ) develops rapidly worldwide. as an important application, diode - pumped intracavity - frequency - doubled laser is attached much importance in recent years, but there still remain many problems unresolved completely. in this paper, i have given some abecedarian study results on some of these problems theoretically and experimentally
因工業激光材料加工等民用市場的需求以及慣性約束聚變和作為新一代激光武器候選器件等軍方需求的推動，國際上高功率二極體泵浦固體激光器（ dpsl ）的研究進展迅速，作為dpsl的一個重要應用，內腔倍頻一直得到大家的重視，但仍有許多未徹底解決的問題和理論上的不完備之處，本論文擬對其中的一些問題作一初步的理論和實驗研究。It ’ s a medical treatment equipment of high capability but low price. this thesis chooses a discal peristaltic pump and put forward amelioration schemes based on analysis of trait of transfer pump in common use presently and selects stepper motor as drive motor. in order to reduce the whole volume, the pcb board integrates stepper motor drive circuit, keyset, alarm circuit and lcd
本文在分析目前常用輸液泵的優缺點的基礎上，選擇dg - 1盤狀蠕動泵，並進行了結構改進;選擇步進電機作為輸液泵的驅動電機，為縮小整體的體積，將步進電機的驅動電路、按鍵、 lcd和報警電路集成到單板上。This drilling adopts crank connecting link and walking beam percussion mechanism, which make the drilling possess two percussive functions, normal drilling takes connecting link impact as main mode, when encountering special situation and the connecting link impact can not drill, it can transform into hoisting impact, the stroke length can be modulated, it realizes automatic percussive drilling due to continuous operating of connecting link percussive mechanism, these can enhance drilling efficiency and relieve labor intensity ; it adopts pumping reverse circulation to drain slag, which not only resolves the drilling difficulty in special stratum such as pebble and gravel stratum and hard stratum, but also resolves the problem that the percussive drill ' s efficiency is low ; it adopts spur gear differential mechanism as double cylinders lazy tongs of main hoist, which not only ensures the balance state of drilling tool, but also reduces the mechanical design, and reduces the cost ; the bottom plate traveling motion of this drilling machine adopts walking type ; the drilling tower adopts hydraulic pressure uprising, and reduces the assistant operating time
該鉆機採用曲柄連桿、游梁式沖擊機構，使鉆機具有兩種沖擊功能;正常鉆進以連桿沖擊為主，遇到特殊情況，用連桿沖擊不能鉆進時，可轉為卷揚沖擊，沖程可調，因連桿沖擊機構連續工作，所以實現了自動沖擊鉆進，可提高鉆進效率，減輕勞動強度;採用泵吸反循環的方式排渣，既能有效解決卵礫石地層、堅硬地層等特殊地層鉆進的困難，又很好地解決了沖擊鉆機效率低下的問題;採用直齒圓柱齒輪差速機構作為主卷揚的雙筒同步機構，既保證了鉆具處于平衡狀態，又大大簡化了該機構設計，降低了成本;該鉆機底盤行走移位採用步履式;鉆塔採用液壓起立，減少了輔助作業時間。During recently 3 years, i mainly engaged in mechanical vocation ' s plant planning. i attended 25 projects, which including feasible reports, preliminary designing and working drawing designing, ranged over establishment or technology reforming of machine tool factory, gear factory, tractor factory, automobile manufactory, electric pump factory, electromechanics factory, electric cable factory, the highest investment of them is 160 million yuan, total design work expand over 850 million ( no repeat calculate ). for i have professional ability and well up in developmental situation of mechanical vocation and it ' s situation inside jiangsu province, these projects what i designed were all authorized by leading department and expert, introduced into national plan and bring into operation. these projects bring both economic profit and society profit for the factory ' s technical advancement, product ' s update. as the director of these projects in these designing and consultation work, i generally organize and operate these and earn the higher valuation of leading department and consumer
近三年來主要從事機械行業工廠工程設計，先後參與二十五個項目的可行性研究報告編制，初步設計和施工圖設計.涉及機床廠，齒輪廠，拖拉機廠，汽車製造廠，電泵廠，電機廠，電纜廠的新建或技術改造，其中單項投資額最高的為1 . 6億元，總計完成投資額為8 . 5億元（未重復計算）的設計工作量.由於對機械行業發展狀況和省內狀況較為熟悉，具有一定的專業水平，這些設計項目均經有關領導部門，專家審定列入國家計劃，得以實施，為工廠的技術進步，產品更新換代，生產發展創造較好的經濟效益和社會效益.在這些設計，咨詢中，本人均任項目負責人，全面組織，實施設計工作，得到主管部門和用戶較高評價The experiment of intracavity doubling of a 946 nm nd : yag laser with an lbo crystal has been done at room temperature. a continuous wave 473 nm laser is obtained with 235mw output power at a pump power of 20w. the laser beam quality of 473 nm is good as well
對腔內倍頻輸出473nm激光進行了初步的實驗研究，在泵浦功率為20w時， l獲得了光束質量較好的連續波形式的藍光激光輸出，其功率為200mw 。We have firstly developed the all fiber femto - second laser, but its average output power is only tens of milliwatt. with the development of cladding pumped technology, it is the efficient way to amplifying the output power
在國內我們已經首先研製成功了全光纖飛秒激光器，但平均輸出功率只有幾十毫瓦，包層泵浦技術的成熟，無疑給其進一步放大功率提供了技術保障。The rubber joint between stepper motor and transfer pump can minish pulsation caused by the shake of the motor when transfusing
步進電機與輸液泵之間通過橡膠連接頭實現連接，可緩解輸液時由步進電機震動引起的脈動。This paper first discusses the cause of crack formation and crack mechanism of high performance concrete. then carries out crack tests of three groups of concrete slabs using aggregate type, sand rate and dosage of fly ash as design parameter
本文初步探討了泵送高流態混凝土的裂縫成因和開裂機理，並分別以骨料品種、砂率以及粉煤灰摻量為設計參數進行了三組配合比混凝土平板的抗裂試驗。Presently, the development of ld pumped, watt - level, solid - state blue laser is not mature, thus the theoretical and experimental research is necessary. based on the present researches, some valuable results have been obtained
目前， ld泵浦的小功率473nm全固態藍光激光器已經基本成熟，但是在瓦級大功率方面發展還不成熟，尚需在理論和實驗上進行更進一步的研究。Three items of products have filled the domestic blank, and achieved domestic leading level. among them, high temperature concentrated acid liquor pump attain the second prize of county advanced technology award, national key new product project ; force diluted acid special purpose pump attains the third prize of the county advanced technology award
三項產品填補了國內空白，達到了國內領先水平，其中，高溫濃酸液下泵獲縣科技進步二等獎，國家重點新產品項目；強力稀酸專用泵獲縣科技進步三等獎。This paper introduces the working principle and controlled methods of the permanent magnet synchronization servo motor ( pmsm ), builds the mathematical model of the pmsm and analyzes the pump controlled cylinder subsystem and builds the mathematical model of it
本文建立了永磁同步電動機的數學模型，分析了泵控缸液壓動力機構並對其建立了數學模型，進而建立了直驅式電液伺服系統數學模型。Through consulting lots of relevant references, present research of direct drive volume control hydraulic servo system is summarized in this paper, the principle and character of this system are expatiated, the principle of vector control is introduced. at the same time, the mathematical model of ac asynchronous motor is set up based on the vector control theory. the mathematical models of both the pump controlled motor and pump controlled cylinder are set up and simulated in this paper
在查閱大量國內外相關文獻的基礎上，本文綜述了國內外對該系統研究概況，闡述了該類系統原理和特點;闡述了矢量控制的基本原理，並基於這一原理建立交流異步電動機的數學模型;分別建立了泵控馬達系統和泵控缸系統的數學模型，並給出了模擬分析;設計了用於泵控馬達系統的集成閥塊，加工了密閉壓力油罐;針對現有直驅式電液伺服裝置所存在的問題，本文主要針對系統工作過程中所產生的噪音與爬行問題進行了一定的研究。With the research in the paper succeeded it would be certain that the helical gear pump would replace the spur gear pump now widely existed in the market and also could replace the other type of hydraulic pump in some areas, which surely greatly decrease the cost of manufacture and advance the development of technology. the importance is undisputable
本論文研究的斜齒嚙合式低脈動齒輪泵可代替現廣泛存於市場上的直齒輪泵，並能在很大程度和范圍內替代其它形式液壓泵的作用，這對于促進機械裝備的技術進步、降低機械裝備的製造成本具有十分重要的意義，其應用前景將十分廣闊。We firstly summarize the development of yb - doped fiber lasers, pumping methods and the applications of high - power fiber lasers. 2. considering the scattering loss, we deduce the relationships between laser performances of yb - doped double - clad fiber laser and parameters of laser cavity from the steady state rate equations, numerically analysis the changes of laser performances, such as laser power with the parameters of laser cavity, including output mirror reflectivity, optimum length of double clad fiber
研究主要內容包括如下幾個方面:一、首先對摻鐿光纖及摻鐿光纖激光器的發展狀況、包層泵浦技術和高功率光纖激光器的應用等進行了綜述;二、在前人對高功率雙包層光纖激光器的理論基礎上，在考慮了光纖散射損耗因子的情況對光纖激光器理論進行了推導，給出了準解析解，進一步完善了理論分析。Now, the ybwz - 12 microinjection pump, which was produced by shanghai ammeter factory, is the primary product in our country. the controlling part of this production uses step - motor, hut there are some faults in it, such as micro - tremble, large noise, and large power consumption
目前國內的產品主要有上海電表廠生產的ybw2 - 12型微量注射泵，其控制部分採用步進電機，有微小抖動、噪音大、耗電量大等缺點。Through controlling the step motor moving, the accurate control of the piston pump is obtained
通過控制步進電機的運動，來實現對柱塞泵流量的精確控制。We are specialized in manufacturing all kinds of series universal ac motor, pmdc motor, brushless dc motor, induction motor, shaded - pole motor, stepped motor, servo motor, controlled motor, flame - proof and submersible motor
專業製造各類串激電機永磁直流電機無刷直流電機感應電機罩極電機輪箱電機步進電機伺服電機控制電機防爆及潛水泵電機。Finally introduced the method that use adf4113 and provied the real test result of this multi - frequency, low phase noise pll frequency synthesizer with 30mhz working band and 1mhz frequency step. in addition, some method that solved the problem often occurred was introduced
最後給出了由ad公司的電流泵數字鑒頻鑒相器adf4113和無源環路濾波器構成的頻率合成器的控制方法和實驗測試結果，實現了工作帶寬30mhz ，頻率步進1mhz的多點頻、低相噪頻率合成器。The design also gives the details of all the parts of the new type transfusion pump. the step motor has been chosen to drive the transfusion pump, whose type and capability are validated and suit well with the pump
選擇步進電機作為輸液泵驅動電機，並進一步確定了步進電機的類型和性能指標，驗證了所選型號步進電機能夠滿足輸液泵運行的需要。Downhole equipment for petroleum and natural gas industries - progressing cavity pump systems for artificial lift - pumps
石油和天然氣工業的鉆孔設備.人工提升用步進式空腔泵系統.泵分享友人