降壓型 的英文怎麼說

中文拼音 [jiàngxíng]
降壓型 英文
buck
  • : 降動詞1. (投降) surrender; capitulate 2. (降伏) subdue; vanquish; tame
  • : 壓構詞成分。
  1. Based on the simulation model theory of temperature and stress fields presented in this article, a large simulating program for high rccd has been developed, which can numerically simulate all kinds of temperature control measures, including water pipe cooling, heat insulating in winter, reducing place temperature of concrete, spraying water brume, and long interval over - watering surfaces overflowing in flood season.

    基於本文提出的溫度場和徐變應力場模擬模理論,編制了高碾混凝土壩的三維有限元模擬計算程序,在程序中考慮了各種溫控措施的數值模擬,包括:水管冷卻、冬季保溫、低混凝土的澆築溫度、夏季混凝土表面噴水霧、施工汛期壩頂面過水等。
  2. On the basis of that, numerical simulations have been carried out on full - scale cube model with three types of parapets. the caparison of with and without parapets shows that three types of parapets can significantly reduce high negative suction peaks on zones susceptible to wind pressure. formulas have been proposed about the height of those parapets

    在此基礎上對方塊模屋面分別設置3種女兒墻進行了數值模擬,與未設置女兒墻的模擬結果進行了比較分析,結果表明上述女兒墻都能較明顯地低屋面風敏感區的負峰值,並給出了相應的女兒墻高度限值公式。
  3. Finally, with caparisons of that three parapets properties cantilevered parapets has been adopt to the steel structure of light - weight buildings with gabled frames, numerical simulations have been carried out with that buildings, results of simulations show that device can also significantly reduce the area - averaged coefficient of wind pressure and high negative suction peaks on zones susceptible to wind pressure. formula has been proposed about the height of that parapet

    最後通過三種女兒墻的性能比較確定對門式剛架設置懸挑女兒墻進行數值模擬,結果同樣表明懸挑女兒墻能明顯地低門式剛架屋面風荷載敏感區的負峰值及屋面風荷載體系數,並給出了女兒墻高度限值公式。
  4. The fault controlled the magmatism and metallization relevant to the contact zone, and deformed successively and produced cataclastic rocks and two sets of joints ; the second stage was from late cretaceous to eocene. the fault zone deformed right - laterally under ne - sw striking transtention, and new joints zone was produced at the end of the two main faults because of local stress concentration. the fault produced inchoative cataclastic rocks, and two sets of typical joints in plutons ; the third stage of deformation was relatively faint and only a little of microcracks was produced and infilled with vei ns in the deformed rocks, which was during the himalayan movement

    其後的繼承性活動在斷裂帶內形成碎裂程度最強達到碎裂巖的碎裂巖系列構造巖,變形帶兩側發育兩組典的共軛剪節理;第二次在晚白堊世?始新世,斷裂在北東?南西向近水平擠作用下右行張扭性活動,斷裂帶兩主斷裂在斜列重疊的端部由於局部應力集中進一步擴展形成節理帶,而斷裂在巖體區也發育兩組典的共軛剪節理,斷裂內形成初碎裂巖為主的構造巖;第三次是喜山期以西側抬升、東側下的強烈升為主的活動,在基巖中,主斷層兩側圍巖出現微破裂。
  5. Dalian jialin equipment manufacture co., ltd is engaged in developing, designing, manufacturing and installing auto conveyors, assembling line ( roller - type, strap type, chain - type, chain belt type, screw - type, assemble mechanical hand, hydraulic elevator ) and packing automatic assembly line ( automatic case back - sealing machine, automatic case folding & sealing machine, high speed case opening machine, wrapping machine, automatic pallet, bundler ) of complete sets of equipments

    大連佳林設備製造有限公司是一家生產工廠成套自動化輸送線、組裝線(滾筒式、皮帶式、鏈式、鏈板式、網帶式、螺旋式、組裝機械手、液臺等) ;工廠成套自動化包裝線(紙箱自動成封底機、全自動折蓋封箱機、全自動高速開箱機、裝箱機、全自動托盤碼垛機等)的開發、設計、製造、安裝等一條龍服務的專業廠家。
  6. Fluid noise mainly comes from out put pulsation of rate of flow, the main reason of out put pulsation of rate of flow is the instant high pressure return flow that obturation cubage produced when the big round curve pressure transition. the v trough on the port plate can reduce the fluid noise. in this paper, the author based on the acting of dam a river and condensability of liquid and used matlab language as tool to calculate the v trough on the original port plate and drew out the p - t diagrammatic curve and analyzed its shortcoming and improved the design of original v trough and got that the best size of its angle was 12. 3 and its length was 5mm and the cross section was an equilateral triangle

    流體噪聲主要來源於輸出流量脈動,造成輸出流量脈動的主要原因是閉死容積在大圓弧段力切換時產生的瞬時高迴流,在配流盤上開設v尖槽可低因高迴流而引起的流體噪聲,本文以截流作用和液體的可縮性為理論依據,以matlab語言為工具,對原配流盤上的v尖槽進行了理論計算,繪制出p - t圖線,分析了它的不足,並對原有v尖槽進行了優化設計,得出了v尖槽的最佳幾何尺寸:配流盤平面上的v尖槽的兩邊的夾角為12 . 3 ,槽長5mm ,槽的橫截面為等邊三角形。
  7. The gips / gdps series of automatic shut - off valves are safety devices designed to stop the flow of gas when the downstream pressure of the valve reaches a value larger than and / or smaller than the preset operating limit

    感應關斷?與gdps ?感應關斷?系列自動關斷閥為安全設備,設計當此閥下游力達到大於或?和?小於預定操作限度的力值時,來中斷瓦斯流動。
  8. The gascat gips / gdps series of automatic shutoff valves are used as the main safety device for transmission, distribution and measurement of natural gas or lpg gas system protection, and for non - corrosive gas systems in general

    感應關斷?與gdps ?感應關斷?系列自動關斷閥適用於天然氣或液化石油氣之輸送、配氣與計量系統,還有一般無腐蝕瓦斯氣體系統保護的主要安全設施。
  9. Long - term effect of different antihypertensive agents on renal hemodynamics

    不同類藥物對腎內血流動力學長期影響的研究
  10. We get several useful conclusions on isobaric evaporation, isothermal flash, isobaric condensation, isothermal compressed condensation. an analysis on the micro - layer evaporation model is also discussed in the paper

    在定汽化、定溫自蒸發、定凝結、定溫加凝結、可用能、微層蒸發模幾個方面得出了一些有用的結論。
  11. This paper studies the variable - voltage energy saving theory and its implementation for asynchronous motor with light load, compares several kinds of scheme of improving efficiency in detail and confirms the variable - voltage energy saving method, that is adjusting the input voltage by detecting the iron loss and copper loss of motor directly. in addition, the directness *, simpleness and availability of the method are verified by the emulational experimental results with simulink of the matlab. the circuit of the general inverter based on the tms320f240 dsp was used in this paper, and the practicable program was compiled

    本文分析了異步電動機輕載時節能運行的原理,對幾種提高效率的方案進行了比較,確定了通過直接檢測電動機鐵損和銅損來實時調節輸入電以達到高效節能目的的控制方法,應用matlab軟體對系統進行模擬,在基於tms320f240dsp的通用變頻器上編制了實用化的程序,形成了完整的樣機,對其進行了測試,並給出了試驗結果。
  12. Pressure gradient model for the development of oil - water two phase flow in horizontal pipelines abroad

    國外水平管內油水兩相流研究進展
  13. Reliable hysteresis current controlled dual buck half bridge inverter

    一種可靠的滯環電流式半橋逆變電路
  14. The distribution law of furan content in oil of large step - down transformers in shanghai grid is researched by statistical analysis. the cautions in its application are presented

    摘要利用統計分析技術,研究了上海地區電網大變油中糠醛含量的分佈規律,提出了在其應用中應注意的問題。
  15. We build a synchronous rectifying switch power ic with high efficiency and good load characteristic following the requirements of the battery - powered portable equipments

    根據電池供電便攜式設備的要求,本論文設計了一款高效率、良好負載特性的雙模式同步降壓型開關電源ic 。
  16. The principle of ac - dc - ac locomotive is that transformer transforms the high single - phase ac voltage from contact system to lower ac voltage first, then rectifier transforms this ac voltage to steady dc voltage, finally converter transforms this dc voltage to three - phase vfvv ac voltage as the voltage source for asynchronous machine

    交?直?交電力機車系統的原理是:先將從接觸網獲得的單相交流高電經變后,再經整流器變換為平穩的直流電,直流電經逆變器變換為三相交流電,供給機車輪對上的牽引電機。
  17. Based on single well process, the influence of reservoir parameter changes, such as permeability, reservoir thickness, average formation pressure, deformation factors on well productivity were studied by using the model under the depressure condition

    最後,以單井為對象,應用建立的數學模研究了開發條件下,滲透率、油層厚度、平均地層力、形變因子等儲層參數變化時對油井產能的影響規律。
  18. In this dissertation, a novel bidirectional dc / dc converter ' s topology was designed, witch used in vehicle power supply systems. the converter is composed of fundamental bidirectional switch cell, using phase - shifted full - bridge zvs pwm dc / dc converter in buck circuit and using push - pull boost converter in boost circuit

    文中從雙向dc dc變換基本單元入手,針對某大車載電源系統設計了一種新雙向dc dc變換器拓撲電路,變換採用移相全橋式zvs ? pwm功率變換,升變換採用推挽式dc dcboost功率變換。
  19. The multilayer composite including a hard component tz - 3y20a and a plastic soft component mo has been fabricated by particle sedimentation method. by choosing appropriate settling parameters and dispersed medium, the tz - 3y20a / mo multilayer composite has been obtained via alternating deposition of tz - 3y20a and mo according to the design of individual layer thickness and layer thickness " ratio

    採用顆粒沉工藝,選用適當的沉參數與分散介質,將tz - 3y20a陶瓷粉和mo金屬粉按設計的層厚和層數進行交互沉,得到預成體,再經1500 ? 20mpa ? 1h熱燒結,制備出緻密的tz - 3y20a mo疊層材料。
  20. Soft starters decline only the electric voltage and do not decline the frequency, and make the starting torque turn small, therefore the soft starters be applicable only to the induction motors which drive the low starting torque machine such as blower fan and pump. this paper designed a soft starter adopting the discrete frequency method to start induction motors. it declines not only the electric voltage, but also makes the frequency lower at the same time, so starting torque turns more

    由於軟起動器只頻,電機的起動轉矩較小,所以傳統軟起動器只適用於風機、水泵類低起動轉矩的負載。本文設計並研製了一種採用分級變頻方法的新軟起動控制器,在的同時實現有級變頻,從而提高了異步電動機的起動轉矩。
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