進氣周期 的英文怎麼說

中文拼音 [jìnqìzhōuqī]
進氣周期 英文
admission period
  • 進 : 進構詞成分。
  • 氣 : Ⅰ名詞1 （氣體） gas 2 （空氣） air 3 （氣息） breath 4 （自然界冷熱陰晴等現象） weather 5 （氣味...
  • 周 : Ⅰ名詞1 （圈子; 周圍） circumference; periphery; circuit 2 （星期） week 3 [電學] （周波的簡稱） c...
  • 期 : 期名詞[書面語]1. （一周年） a full year; anniversary 2. （一整月） a full month
  • 進氣 : air admission; admission; inlet; onflow; charging; access of air; admittance; air in; air intake;...
  1. A canister purge valve is opened periodically to vent the vapor back into induction system.

    收集器的清除閥周期性地開啟，泄放蒸氣使之返回進氣系統。
  2. By comparing i8o curve with annual growth rate and grey level curve in the stalagmite during the same period, the author brings forward that that climate in shennongjia region mostly embodies matching modes of warm / wet, cold / dry over the past 2000 years, but temperature was out of harmony with precipitation in the course of climate transforming, which shows that shennongjia climate embodies matching modes of cold / wet, warm / dry at part period of time

    近2000年中17次太陽活動和1400aad以來29次火山活動對氣候變化影響的印跡在石筍氧同位素中都有明顯的記錄，表明氣候事件與太陽活動、火山活動有較好的相關性。石筍各代用指標譜分析顯示126a 、 100a 、 81a 、 60a 、 40a 、 22a 、 11a等周期成分，也進一步支持了太陽活動對季風區短尺度氣候變化的驅動作用。
  3. The author and two colleagues recently used measurements of xenon gas ( a product of uranium fission ) to deduce that one of these ancient reactors must have operated with a duty cycle of about half an hour on and at least two and a half hours off

    作者與兩位同事最近透過氙氣（鈾的核分裂產物）的測量推測，這些遠古反應器其中之一必定曾經以運作半小時、關閉兩小時半的周期進行核反應。
  4. This paper combines the charicteristic of heilongjiang province power system such as supply exceeds demand, heating cycle in winter is long, arcola and personal heating is too much, air pollution is serious ect to rearch the realization machinism of electricity heating technology and actulization technology of electricity heating or heat storage

    本文結合黑龍江省電力系統略有供過于求，冬季採暖周期長，小鍋爐及個人採暖多，空氣污染嚴重的特點，對電加熱採暖技術的實現機理和電（蓄熱）採暖的實施技術進行了較深入的研究。
  5. The control method of side jet and aerodynamic compound control, including side jet and aerodynamic compound control manner, control cycle of attitude control engine, ignition logic, startup control game of attitude control engine, etc. was researched

    摘要對採用燃氣動力（直接力）與氣動力復合控制技術的控制方式、姿控發動機控制周期、點火邏輯及姿控發動機啟控策略等進行了初步探討。
  6. The work module of rudder was discussed and studied by simulation in side jet and aerodynamic compound control manner, the effect on guidance accuracy by control cycle of attitude control engine and action cycle of control loop was simulated

    重點對採用燃氣動力氣動力復合控制方式中舵系統的工作模式進行了探討及模擬研究，對姿控發動機控制周期及控制迴路工作周期對制導精度的影響進行了初步模擬研究。
  7. Different equations to corresponding components are presented by analysing and transformating the general equations of fluid routes, then static characteristics mathematical model of liquid propellant space propulsion system is presented. based on the data of static characteristics calculation, mass model of thruster, propellant, propellant tank, gas, gas bottle, pipe and valve is presented using both the method of statistical regression and the method of stress analysis, then corresponding mass model is presented. based on the characteristics of liquid propellant space propulsion systems, analyse the five phases ( concept and definition, design and improvement, manufactureing and arrangement, operation and ma intenance, disposal ) in which life cycle cost of liquid propellant space propulsion systems is cost separately, then discompsed structure of life cycle cost and model of life cycle cost are presented

    將組件分成氣路組件和液路組件，再對氣路組件和液路組件進行相應的分類，然後通過對通用流路方程進行分析和變換對不同類型的組件分別建立不同的方程，從而建立了一個適用於液體推進劑空間推進系統的靜態數學模型；根據靜態計算所得到的數據，應用統計回歸法和應力分析法分別建立推力室、推進劑、推進劑貯箱、氣體、氣瓶以及導管和活門等的質量模型，從而建立相應的質量模型；結合液體推進劑空間推進系統特點，對液體推進劑空間推進系統全壽命周期費用發生的五個階段（概念和定義、設計和改進、製造和安裝、運行和維修、處理）分別進行分析，建立了液體推進劑空間推進系統全壽命周期費用分解結構和全壽命周期費用模型。
  8. With the tracing particles, the sinking velocity of middle and higher density particles that pass through the lower density coal particles in jig bed for different jigging air circle were measured. the results showed that the air cycle with a long inlet period can promote the separation of middle and higher density particles and lower density coal particles

    運用彩色人工顆粒，對不同跳汰周期下中、高密度顆粒在低密度煤炭床層中的沉降速度進行了示蹤研究，確認長進氣期周期有利於中、高密度顆粒與低密度煤炭顆粒的分離。
  9. It is possible, by adopting " reverse engineering " to conduct digitized design of inlet and exhaust ports toolings of diesel engine, to improve the fineness of the toolings and castings, shorten toolings development duration

    摘要運用逆向工程進行柴油機進排氣道模具數字化設計，可以提高模具和鑄件的精度、縮短模具開發周期。
  10. Through analyzing and researching the physiognomy map of hebei plain > the fourthly epoch map of hebei plain > engineering geology map of hebei plain, hydrogeology map of hebei plain. lithology map of the fourthly epoch and ancient watercourse map of hebei plain, achieving the fixation factors that control the arising and development of the ground fissures, such as, the earth ' s crust tress, the fourthly epoch lithology, the chancing of ground water table, active faults and ancient watercourse, and also making sure the exponents of each factors ; researching random factors, such as, precipitation. and agriculture irrigation, and making sure the exponents of each factors too

    找出了地裂縫發展的周期，對地裂縫的發展趨勢進行了預測；圈定了地裂縫發生敏感點。在分析河北平原第四紀地質圖、地貌圖、工程地質圖、水文地質圖、古河道圖基礎上，找出了河北平原地裂縫致災固定因子如：地殼應力、第四紀巖性、地下水位埋深降幅、活斷層和古河道，並確定劃分各因子指數；研究地裂縫隨機因子，如大氣降水和農業灌溉，並劃出各因子指數。
  11. To set up a network of remote sensing satellites to conduct long - term dynamic monitoring on the weather, oceans, resources, environment and disasters of china, its perimeter and even the whole world

    以氣象衛星資源衛星海洋衛星和環境與災害監測衛星，對中國及周邊地區甚至全球，進行長期的動態監測。
  12. Therefore, a positive research method was adopted to put forward two hypotheses during the oil and gas drilling works, i. e, a certain relation existed between operation ' s cost and drilling footage and cycle respectively

    為此，採用實證研究方法，針對油氣鉆井作業的過程提出兩個假設：鉆井作業成本與鉆井進尺呈一定的比例關系；鉆井作業成本與鉆井周期呈一定的比例關系。
  13. When the natural frequency of the gas column in the inlet valve is consistent with the main frequency of the periodic air inlet noise, the resonance noise of the gas column will also become prominent in the air inlet noise

    進氣管空氣柱的固有頻率與周期性進氣噪聲的主要頻率相一致時，空氣柱的共振噪聲在進氣噪聲中也會較為突出。
  14. Then in allusion to biased momentum wheel system, based on classical control system a pid controller was design about pitching channel. according to specialty of roll - yawing channel, this paper discuss long - time cycle movement and short - time cycle movement. when design the control method of long - time cycle movement, whiff thruster is used to assistant the control system. when design the control method of short - time cycle movemen, in order to sovle the problem of coundn ’ t abtain the angular velocity signal, nonminimum phase controller advanced by terasaki is used

    然後針對偏置動量飛輪系統，基於經典控制理論設計俯仰通道的pid控制律，根據滾動?偏航通道耦合的特點，分別討論了由軌道角頻率和章動頻率引起的長周期運動和短周期運動。其中長周期運動控制律設計時，結合了噴氣推力控制來輔助偏置動量控制;短周期運動控制中，為了解決不能獲得角速度信號的問題，採用terasaki提出的非最小相位控制器進行控制。
  15. 29 representative stations of northwest china are selected using eof analysis, and the detailed results of characteristics are given for temporal and space variation of interarmual change and decadal change. the main conclusions are followed : ( 1 ) the tendency of precipitation in northwest china is positive to the west of 103 e longitude and opposite to the east of it. there is a periodic oscillation of quasi - three years of precipitation and a mutation in the middle of 80s in spring precipitation of northwest china

    用eof分析方法選取西北地區29個代表站，分別對其春季和夏季近50a降水進行年際變化和年代際變化時空特徵分析，結果發現（ 1 ）西北地區近50a降水時空趨勢變化以103 e為基準線，以西為正，以東為負，並有準3a的振蕩周期， 80年代中期西北地區春季降水出現了氣候突變。
  16. This platform is then used to study the temperature distribution and fluctuation of module ' s wall, the fluctuations of thermal control system, temperature and humidity in the cabin for the short and long cycles of the thermal environment changes. this thesis suggests a temperature control method for cooling loops, a temperature and humidity control method of the cabin air and simulates their effectiveness

    用該平臺模擬了艙壁的溫度分佈及波動特點，研究了熱輻射環境的短周期和長周期波動及艙內熱負荷波動對熱控制系統及艙內空氣溫度、濕度造成的動態影響；給出了熱控迴路溫度控制方法，利用最佳去濕流量的概念提出了具有回熱流程的艙內空氣溫度、濕度控制方法，對控制效果進行了動態模擬。
  17. So it is the next work to search the variances periodicity and its response to global climate change in order to forecast future

    尋找方差的振動周期和對全球氣候變化的響應，對未來進行預測，是需要進一步研究的內容。
  18. A new aerodynamic design system developed by authors for draft fan with enhanced efficiency, suppressed noise, enlarged flux and high load. the new design system features : a twist regulation for vortex control is employed in designing to lessen the secondary flow loss in the blade tip and hub ; the feasibility and high efficiency of this procedure has been verified by the tests of the prototype fan ; a new computer - aided 3d blading is used to optimize the blade ; numerical inverse checking is adopted to enhance accuracy in designing and cut down the period of the designing and production. this design system can make the optimized blade with " forward inclination ", " inclining sweep ", " bending sweep ", to minimize the various secondary flow losses, to expand the steady working range of the fan, and to suppress the aerodynamic noise source

    本文通過對一種新型高性能礦用局部通風機的設計、製造及試驗全過程的綜述，展現了新的先進設計體系在民用通風機上的成功運用，其研製特點是： （ 1 ）在葉片氣動設計中為了降低葉根及葉尖區二次流損失，採用可控渦扭向規律設計，樣機實測的高性能驗證了這種方法的可行性和高效性； （ 2 ）在設計方法中採用較精確的數值反驗算，獲取最優設計方案，大大提高設計的準確性和成功率，並縮短了設計試制周期； （ 3 ）在設計過程中發展了計算機輔助三維葉片造型新方法，可以根據設計需要簡便快捷地對葉片進行「前傾」 、 「傾掠」或「彎掠」造型，這些造型對減小各種二次流損失、擴大穩定工況范圍和控制葉輪機氣動噪聲源起到了非常好的作用。
  19. Abstract : a new aerodynamic design system developed by authors for draft fan with enhanced efficiency, suppressed noise, enlarged flux and high load. the new design system features : a twist regulation for vortex control is employed in designing to lessen the secondary flow loss in the blade tip and hub ; the feasibility and high efficiency of this procedure has been verified by the tests of the prototype fan ; a new computer - aided 3d blading is used to optimize the blade ; numerical inverse checking is adopted to enhance accuracy in designing and cut down the period of the designing and production. this design system can make the optimized blade with " forward inclination ", " inclining sweep ", " bending sweep ", to minimize the various secondary flow losses, to expand the steady working range of the fan, and to suppress the aerodynamic noise source

    文摘:本文通過對一種新型高性能礦用局部通風機的設計、製造及試驗全過程的綜述，展現了新的先進設計體系在民用通風機上的成功運用，其研製特點是： （ 1 ）在葉片氣動設計中為了降低葉根及葉尖區二次流損失，採用可控渦扭向規律設計，樣機實測的高性能驗證了這種方法的可行性和高效性； （ 2 ）在設計方法中採用較精確的數值反驗算，獲取最優設計方案，大大提高設計的準確性和成功率，並縮短了設計試制周期； （ 3 ）在設計過程中發展了計算機輔助三維葉片造型新方法，可以根據設計需要簡便快捷地對葉片進行「前傾」 、 「傾掠」或「彎掠」造型，這些造型對減小各種二次流損失、擴大穩定工況范圍和控制葉輪機氣動噪聲源起到了非常好的作用。
  20. Based on these studies, we can observe the fluctuating situation of macro - economy timely and provide reference for the government to decide macroeconomic policies

    利用nber方法和基於復雜的數學模型構建景氣指數，並從多個方面對我國經濟周期波動特徵進行剖析。
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