閉合低壓 的英文怎麼說
中文拼音 [bìgědīyā]
閉合低壓
英文
closed low-
So although there are better oiliness in peng ii, peng iii, peng iv gas pool and there are industrial off - take potentia after compressive fracture, this gas pool belongs to lower permeability, convention sand - density sand, little to middle throat - punctate pore, sealing elasticity gas drive, partly poor water drive, normal pressure, net gas, lithologic trap to nose - like structure - lithology compounding trap model
所以，雖然新都氣田蓬萊鎮組蓬二、蓬三、蓬四段有良好的含油氣性，且經過測試均獲得工業產能。但總體上該氣藏隸屬低滲常規砂巖?緻密砂巖，小及中喉?細孔孔隙型，定容封閉彈性氣驅，部分弱水驅，常壓，干氣，巖性圈閉及鼻狀構造?巖性復合型圈閉氣藏類型。Erosion damage decreases rock load area, after defining damage variable, the damage stress in rock can be calculated by the method bring forward by lemaitre conveniently. for surrounding rock of a deep buried tunnel under the condition of drained, its seepage character is not only controlled by the high stress in rock, but also influenced by the development of erosion damage. in the whole course of rock " s deformation and failure, its seepage character decreases with the increment of stress in elastic stage, while " increases with the development of failure
巖樣中全應力?應變三軸滲透試驗過程中的典型表現為隨著應力的增加，巖體內的空隙和裂紋受載閉合，滲透性降低，應力達到一定閾西南交通大學鷹士研究生學位論文第11頁值后，巖體內部裂紋發生擴展和歸並，滲透性增強；同樣，地下水的動、靜壓力作用對裂紋的擴展和歸並也起著促進作用。Terminal blocks for low - oltage switchgear and controlgear assemblies. part 1 : sectional type and closed - back type terminal blocks
低壓成套開關設備和控制設備用接線端子排.第1部分:組合型和底座封閉型接線端子排The new unit has following technical features : ( 1 ) the unit ' s load is balanced by means of the accumulator and hydraulic cylinder with special structure ; ( 2 ) the installed power of the unit can be reduced greatly by adopting the accumulator ; ( 3 ) variable frequency speed regulation ensures good energy saving effect, and the closed oil circuit requires less hydraulic oil ; ( 4 ) a bi - directional hydraulic lock in the oil circuit ensures the stability and safety of the operation of the pumping unit
新型機具有4個技術特點： （ 1 ）由於活塞柱塞式液壓缸的特殊結構和液壓蓄能器的配合使用，在平衡抽油機大部分載荷時，不需另外增加配重，可減小抽油機體積、質量和佔地面積； （ 2 ）抽油機下沖程時，與活塞柱塞式液壓缸相連接的蓄能器吸收能量，上沖程時儲存在蓄能器中的能量補充載荷上行所需的能量，大幅度降低抽油機裝機功率； （ 3 ）利用變頻容積調速節能效率高，閉式油路節省液壓油，同時大大減小液壓泵站的體積； （ 4 ）在閉式油路中採用雙向液壓鎖可使抽油機的啟停更加平穩、迅速，其工作的穩定性和安全性更好。Now design efficiency of common gas boiler can reach 90 percent or so, but various factors such as load, fuel quality, work condition and pressure which result in uncompleted burning of gas and excess air, decrease boiler hot efficiency and cause resources waste and environment pollution. considering these it is essential to adopt closed loop feedback control to boiler burning system
現今，一般的燃氣鍋爐設計效率均能達到90 %左右，但在實際運行中，因負荷、燃料品質、工作環境、壓力、混合情況等因素的影響，往往造成燃氣不完全燃燒或空氣過量，使鍋爐熱效率降低，造成能源浪費與環境污染，在這樣一種背景下，有必要對其燃燒系統進行閉環反饋控制。This system is on the safe side and higher efficiency, because of using the field oriented controlled modem technology and the boost - buck converter of dc, the closed loop control of voltage, current and speed, and combining with many ways of safeguard and reducing power wasting
通過應用先進的電壓矢量控制和直流升降壓斬波技術，採用電壓、電流和轉速的閉環控制，結合多種保護措施和降低功耗方法，使得該系統具有工作安全可靠、功耗低等優點。According to the structure characteristics and motion rules of the new type nursing robot, the close loop control system of this new type nursing robot is designed and made with the virtual instrument developing software labwindows / cvi, mcu, piezoelectric ultrasonic motor and high precision optical incremental encoder, which can make the robot reset and rotate by the predefined tracks. at the same time, in order to make the nursing robots used more widely where intensity, precision and price are not high, another control system is designed with the step motor, virtual instrument developing software labwindows / cvi, multi - function daq card pci1711, linear power amplifier. in order to use the nursing robots in acupuncture therapy, a simple finger is designed
在對其結構特點和運動規律分析的基礎上，本文以虛擬儀器編程語言labwindows / cvi為軟體開發工具，以單片機為控制核心，以超聲電機為驅動元件，以高精度光電編碼器作為速度和角位移檢測裝置，實現了機械臂的復位以及預定軌跡的閉環控制系統的開發;同時為適應一些強度不大、精度要求不高的應用場合，也為降低成本，簡化控制裝置，推動新型護理機械臂短期內應用推廣的需要，以目前應用較為廣泛、控制技術較為成熟的步進電機為驅動元件，用labwindows / cvi開發環境、 pci1711數據採集卡以及線性功率放大器開發了一套控制系統，實現了手臂的復位、勻速運動以及預定軌跡的控制系統;為推廣護理機器人在針灸理療中應用，設計了簡單的手指機構並利用labwindows / cvi開發環境，以及智能材料驅動器? ?層疊式壓電驅動器，進行了手指的抓取以及對驅動對象的轉動控制。As the kernel of software, the algorithm is another emphasis of the paper ' s works. based on the principle of relaying working, after comparing the effect between the algorithm of instantaneous sampling and the algorithm of vector, the virtue of short data windows and precision action was stood out. and the choice of algorithm with three sampling data was for the reason of short data windows
演算法理論作為微機保護的軟體核心也是本文的討論重點，以保護的動作原理為基礎，認真研究了采樣瞬時值法與一般的矢量值法的效果比較，突出了采樣瞬時值法時間窗短、動作準確的優點；而針對低電壓閉鎖所採用的三采樣值積演算法也正是出於時間窗較短，便於配合保護動作的考慮。Abstract : the multifunctional inverter power sourcethe handy inverter welding, plating & charging manchine, developed with advanced inverter and micro - electronics control techniques, adopts “ half - bridge power expansion supply midpoint voltage autocontrol setting ”, and technically and effectively having solved inverter subvision of inverter power expansion circuit for leaning magnetism, reliability of high - power inverter setting, achives combination of constantcurrent and constantvoltage export, and realizes low - voltage dc and high - voltage ac double power supply
文摘:運用先進的高頻逆變技術和微電子控制技術設計研製的逆變式多功能電源便攜式逆變焊鍍充電多用機，採用「半橋式功放級供電中點電壓自動控制調節裝置」 ，在技術上解決了逆變功放電路因偏磁而造成的逆變顛覆，有效地解決了大功率逆變器的可靠性問題；進行多種外特性的綜合設定，實現了恆流與恆壓輸出的合一；與傳統焊機相比，實現了開環和閉環狀態下都互不影響的低壓直流電瓶和高壓交流雙供電分享友人