直沖式 的英文怎麼說
中文拼音 [zhíchōngshì]
直沖式
英文
p-trap-
According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also
根據系統技術要求，採用單片機實現了混合式直流直線步進電動機的開環數字控制；利用v f變換和復合鍵控方法實現了系統轉速等參數的數字設定；利用細分控制技術保證了電機運行的平穩性，並進行了波形分析和理論研究；採用單片機軟體降速控制策略解決直線步進電機行程末端的機械沖擊問題；同時對主功率電路、驅動電路和系統保護電路進行了分析，完成了硬體設計、製作和軟體編程、調試，最後在混合式旋轉步進電動機上進行了全面測試。A circuit topology of the inverter with duty cycle extended active clamp forward style high frequency pulse dc link is adopted by each independent inverter. each inverter is cascaded by a circuit with duty cycle extended active clamp forward style high frequency pulse dc link and a dc / ac inverting bridge. the control strategy of voltage mode pwm forwardback is adopted by the former, and the control strategy of three - state discrete pulse modulation ( dpm ) hystersis current is adopted by the later
每個獨立的航空靜止變流器採用占空比擴展有源箝位正激式高頻脈沖直流環節電路拓撲，由占空比擴展有源箝位正激式高頻脈沖直流環節電路與dc ac逆變橋級聯而成，前級採用電壓型pwm前饋控制技術，后級採用三態dpm電流滯環控制技術。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。There are over 80 sets test apparatus in tech - innovation centre, including : anechoic chamber, vibration tester, vibration measurement analysis, impact instrument, constant temperature and humidity facilities. salt spary test case, circle insulation withstand voltage tester, insulation resistance tester, withstand voltage tester, electric lead tester, electrical leakage tester, earth resistance tester, chassis dynamometer, chassis dynamometer control system, high stability dc resistance tester, electrical capacity tester, temperature rise test system
中心擁有各類分析測試儀器和試驗裝置80餘臺套，包括：消音室振動臺噪聲振動測試分析系統沖擊儀恆溫恆濕實驗儀鹽霧試驗箱匝間耐壓分析儀絕緣電阻分析儀對地耐壓分析儀泄露電流測試儀對地電阻測試儀測功機測功機控制系統高精度直流電阻測試儀電參數測試儀帶電溫升測試儀復合式三坐標測量儀萬分投影儀及電功測試分析系統等。This article designs the calculation and the structure of the mechanism, using elastic and vertical raiser mechanism ( papilionaceous spring ), and makes concussion test towards the special failure of take up
採用彈性垂直托貨機構（碟簧式） ，對該機構進行設計計算和結構設計，並對提升機的特殊故障進行了沖擊校核。A novel pwm dc converter with snubber cell
一種新的帶有緩沖單元的脈寬調制式直流變頻電路Pump touch with the liquid part is the fluorine plastics, but crust is metal stuff, so the pumpbody is enough to support the weight of pipepad and repel mechanically concussion. imd multilevel magnetic force pumps is electrical engine direct link pattern, by centernog prop up, teardown and maintenance is convenient, the structure is tightly, safety and economize energy, one man can put up check - fixing the part inside and replace it easily, consumedly convenient the usual maintain of customers work
泵接觸液體部分是氟塑料，但外殼是金屬材料，故泵體足以承受管道的重量及抵受機械性沖擊。 imd系列磁力泵為電機直聯式，由中間支架支撐，安裝拆卸方便，結構緊湊安全節能，一人便可以輕松的進行內部檢修和零件更換，大大方便了用戶日常的維護保養工作。Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm
接著，專門利用一個章節闡述了dvb - c前端調制系統原理，他們了差錯控制技術、多進制調制（ mqam ） 、 nyquist準則與平方根升餘弦濾波器、有限沖擊響應濾波器的窗函數設計法、多抽樣率信號處理包括（整數倍內插原理、分數倍抽樣率轉換、網路結構的等效結構、濾波器的多相表示、內插器的多相表示、抽樣率轉換的多級實現） 、分散式演算法、 cic濾波器、直接數字頻率合成（ dds ） 、 cordic演算法。In the paper, on the basis of research of static state and transient state in the scr and series connection valve circuit, the high voltage scr changing current valve device has been developed for ac - dc - ac high voltage commutatorless motor. the series connection valve circuit has been designed and simulated. the hardware design and software programming of trigger pulse system and monitoring system in the photo - electronic - photo fashion has been completed
無換向器電動機在火電廠等工礦企業的電機調速節能領域中有十分廣闊的應用前景，本文在對晶閘管元件和串聯閥電路的靜態特性和動態特性研究的基礎上，研製了用於交直交電流型高壓無換向器電動機的高壓晶閘管換流閥裝置，進行了串聯閥電路的設計和模擬，完成了電光電方式的觸發脈沖系統和監測系統硬體設計及軟體編程，並進行了裝置的實驗調試。Second, the results of theory analysis and simulation research show that the output of one cycle controlled bridge switching power amplifier have dc offset because of the nonideal characteristic of reset signal. the magnitude of output dc offset voltage is proportional to width of reset pulse. a voltage compensation technique is used to solve this question, and the computation formula of compensation voltage is gived. the circuit compensated and not are researched through simulation and experiment, which results show that compensated circuit solve the output dc offset effectively
其次，理論分析和模擬研究結果表明，由於復位脈沖的非理想特性，單周控制的全橋開關功率放大器輸出端存在直流偏置問題，其大小與復位脈沖的寬度成正比。針對輸出直流偏置問題，提出了電壓補償的改進方案，給出了補償電壓的具體計算公式。對補償前和補償后的方案進行了對比模擬研究和實驗研究。Gravity - fed flushing system
直沖式沖水系統Some units undertake to do what is apparently beyond the ability by force adopting pulse check meter system as basis of closing, which causes numerous disputes, so insiders generally think the reading type water gauge system is an important trend of long - range system development directly
然而目前的脈沖抄表系統由於自身無法克服的缺點，有些單位勉為其難強制採用脈沖抄表系統作為結算依據，招致眾多糾紛，因此業內人士普遍認為直讀式水表系統是遠程系統發展的重要趨勢。Cad system, cad turret punches, hydraulic shearing machines, hydraulic press brakes, desk punch presses, upright drilling machines, lathes, ac dc argon welding machines, electric welding machines, ceiling cranes, etc
Cad系統， cad六角鍛壓機，油壓式剪床，油壓式折床，臺式沖床，直立式軸承車床，支流交流氬弧，電動焊接機，懸掛式吊車等Variety including flame, the root of fangfeng, washing directly, music, desk - top, pendant, reaction, bright sound of machines, weapons etc. are all kinds of
品種包括明火、防風、直沖、音樂、臺式、掛件、感應、朗聲機、刀槍等各類。Research on a straight - through diaphragm valve
直通式脈沖閥性能試驗研究Company mainly manufactures solenoid pulse valve ( right angle, in line, ex - proof series ) cylinder, air source, treatment unit, solenoid valve, mechanical control valve
公司主要生產電磁脈沖閥（直角式、淹沒式、防爆等系列） 、氣缸、氣源處理件、電磁閥、機械控制閥等系列氣動元件。It suitable for it demand it use api ch - 4 grade the the oils one high speed load, the turbine pressurization not high, in cold, four stroke pairs of piston gushing out type diesel engine direct not metal of two sections
用途適用於要求使用api ch - 4級油的高速高負荷渦輪增壓中冷四沖程兩段雙金屬活塞直噴式柴油發動機。According to the definition and expression of the thrust, as well as the condition derived from them, a method of solid rocket ramjet thrust determination and its program are provided on the basis of engine ground simulation test
本文以西北工業大學固體火箭沖壓發動機直連式試車臺為研究對象，探討固體火箭沖壓發動機地面試驗技術。首先，從推力的定義出發，建立了試驗中來流空氣流量、燃料流量與固體火箭沖壓發動機推力之關系。Pedestal w. c. pan made of sanitary porcelain material ; flush out and flush down types, dimensions
衛生陶瓷材料制座地式抽水馬桶水箱.平沖與直沖式抽水The results attained are as follows. on account of the strongly coupling character of parameters which have an effect on scramjet performance, the approximate evaluation models of scramjet inlet diffusion performance and the ignition problem in direct - connected experiments are established by neural network methodology
針對發動機性能影響因素強烈耦合的特點，採用bpnn和rbnn神經網路方法，分別建立了超燃沖壓發動機進氣道擴壓性能和直連式發動機點火性能的神經網路近似評估模型，得到了很好的逼近效果和預測能力。分享友人