起動壓力計 的英文怎麼說

中文拼音 [dòng]
起動壓力計 英文
starting pressure gage
  • : 起Ⅰ動詞1 (站起; 坐起) rise; get up; stand up 2 (取出; 取走) draw out; remove; extract; pull 3...
  • : 壓構詞成分。
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • 起動 : start (a machine, etc. ); switch on起動電動機 starting motor; 起動器 starter
  1. In this paper a kind of cardio - cerebral arterial bifurcation vessel hemodynamic characteristics are studied with the boundary element method, and the blood flowing velocity vector distributions have been calculated. in addition, the flow field distribution and the pressure on the particle surface are also calculated, when there is flow - round particle at the place of bifurcation, the move tendency of the particle is judged, the possible reasons of causing the atherosclerosis, thrombus, angioma are analysed

    本文用邊界元方法研究了一類典型心腦脈分支血管中血液流的流體特性,算了分支血管血液流的速度矢量分佈,同時算了分支附近有多個顆粒狀繞流物時血液的流場分佈,及顆粒物所受狀況,給出了顆粒物的運趨勢,分析了引粥樣斑塊病變、血瘤、血栓的可能原因
  2. 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,造成輸出流量脈的主要原因是閉死容積在大圓弧段切換時產生的瞬時高迴流,在配流盤上開設v型尖槽可降低因高迴流而引的流體噪聲,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型尖槽進行了理論算,繪制出p - t圖線,分析了它的不足,並對原有v型尖槽進行了優化設,得出了v型尖槽的最佳幾何尺寸:配流盤平面上的v型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。
  3. The penetration test study the disturbance of soil in difference location. by using finite element method, the paper study the stratum movement and the earth surface deformation caused by pipe jacking, analysis the construction parameter such as head pressure, deflexion, friction force impact on earth surface deformation, give the distributing rule and range of additional soil pressure in soil

    採用有限元算分析的方法,對頂管施工引的地層運及地表位移進行研究,分析了機頭土、機頭偏斜、摩阻等不同施工參數對地表變形的影響以及附加應在土中的分佈規律和影響范圍。
  4. It is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level

    在心臟機械電反饋的研究中準確控制機械刺激是非常重要的.本研究室構建了一套適用於離體家兔心臟的心室鉗系統.該系統通過算機控制鉗,不僅能模擬正常生理條件下左心室的波形,還能在心室活周期的特定時相、以適當波形對心室施加機械刺激.該系統集心臟灌流與搏、表面心電圖記錄、單相作電位記錄、心室鉗制與測定等多種功能於一體,特別適用於器官水平上觀察機械電反饋現象並探討其機制
  5. Abstract : it is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level

    文摘:在心臟機械電反饋的研究中準確控制機械刺激是非常重要的.本研究室構建了一套適用於離體家兔心臟的心室鉗系統.該系統通過算機控制鉗,不僅能模擬正常生理條件下左心室的波形,還能在心室活周期的特定時相、以適當波形對心室施加機械刺激.該系統集心臟灌流與搏、表面心電圖記錄、單相作電位記錄、心室鉗制與測定等多種功能於一體,特別適用於器官水平上觀察機械電反饋現象並探討其機制
  6. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運特徵進行了比較全面的測量,包括空腔形態、徑向流速分佈及井壁強等;二、提出了豎井空腔段螺旋水流水算方法,其算結果與實測值吻合良好;三、利用試驗與算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能有了總體認識;四、對豎井下部消井的合理井深進行了優化試驗研究,發現消井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案的設提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水流螺旋運的離心可以確保井壁強保持正,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。
  7. In view of this situation this article has conducted research to the design of metallurgy auxiliary biography with the frequency conversion table electrical machinery first multianalysis to the frequency changer and the frequency conversion table electrical machinery movement characteristic is carried out, the voltage waveform harmonious which the frequency changer outputs is big, attacks in a big way, and the voltage climbing rate reaches as high as 6600v / mu s which is 20 times ordinary sine alternating voltage, the rolling mill auxiliary biography table set the extremely strict request to the electrical machinery ; its movement frequency is very low, rate frequency in 8 - 20hz ; the velocity modulation scope is wide, the lowest movement frequency lowers to 1hz, and the starting number of times is quite frequently, each hour reaches as high as 600 - 800 time, the impact shoulders in a big way, the overload capacity request is high

    針對這一情況本文對冶金輔傳用變頻輥道電機的設進行了系統研究。首先對變頻器和變頻輥道電機的運行特性進行詳細分析,變頻器輸出的電波形諧波大,沖擊大,電上升率高達6600v / s ,是普通正弦交流電的20倍;軋機輔傳輥道對電機提出了十分嚴格的要求:其運行頻率很低,額定頻率在8 - 20hz ;調速范圍寬,最低運行頻率低到0 . 5hz ,次數相當頻繁,每小時高達600 - 800次,沖擊負荷大,過載能要求較高。
  8. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題,本文在分析葉片內部通道冷卻的流與傳熱情況的基礎上,建立了三維、可縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型,算了冷卻空氣通過這幾種通道時的流與換熱情況,得到了各種不同情況下算區域的溫度場、場、速度場;在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾數和阻因子與雷諾數的函數關系;本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設可以到指導的作用。
  9. In many big enterprises such as electric power and pentrifaction ones, there are lots of high temperature and pressure pipelines conveying steam. because of improper design, collocation and adjustment of the supporting and suspending nogs, pipelines often vibrate, which affects natural life, threatens safe production and even leads to grave accident

    在電、石化等大型企業中,存在著大量的高溫、高輸汽管道,由於支吊架設、布置和調整不當,管道常常發生振,影響管道的使用壽命,對安全生產造成威脅,甚至引重大事故。
  10. In accordance with the driving characteristics of ac driving locomotive, the working status of its traction transformer is analysed. the questions that should be considered in the traction transformer design of ac driving locomotive are mentioned. these questions are the large short - circuit impedance of traction winding, higher harmonic current, over - excitation and dc magnetization caused by large variation of the network voltage, etc. some disposal methods are given

    針對交流傳機車的傳特點,對其中的牽引變器的工作狀態進行了分析,指出交流傳機車用牽引變器設時需考慮的牽引繞組的短路阻抗大、電流的高次諧波、網大可能引的過勵磁以及直流磁化等問題,同時給出了相應的一些解決方法。
  11. In the wave trough of the pressure curve, the pressure may be then if the rocket is accelerating or if it has assembling defects, the early explosion of the grenade on the ballistic may be caused

    該模型的微分方程算結果表明微小彈簧在彈道上的振過程會使導電桿的受產生周期性變化,尤其是在一些波谷處,導電桿幾乎不受,此時如果有火箭加速和其它裝配缺陷等因素的影響,就會引彈丸在彈道上的早炸。
  12. Non linear static & dynamic finite element procedure is adopted for the true emulation of the four typical geologic profiles of the dam, and imitates to compute the each stage deformation and stress distribution from the dam fill to full water run and during the 7 degree seismic intensity, the article also imitates to compute the response to earthquake force, the excess vibration pore water pressure distribution and permanent deformation, predicting the occurrence possibility of the crac ^ plastic zone and earthquake liquefaction

    採用非線性靜、有限元分析程序對圍壩的4個典型剖面進行了靜、模擬模擬,模擬算了壩體自填築至蓄水運行和發生7地震各階段壩體及壩基的變形以及應分佈,地震應響應和地震引的超靜振孔隙水分佈以及永久變形。判斷了壩體和壩基中出現裂縫、塑性區以及地震液化的可能性。
  13. The precondition of establishing mathematics model of torpedo turbine system in design condition is to fulfill the external conditions ( such as torpedo sailing speed and depth etc. ) and inner conditions ( such as turbine power and efficiency etc. ). after establishing mathematics model of torpedo turbine system in design condition, we compiled simulation program to compute all kinds of inner parameters of turbine engine include engine type, principal layout of turbine, inner structure of turbine and state parameters of gases

    首先分析設工況時渦輪機系統,在滿足魚雷系統的各項外部條件(如魚雷航深、航速等)和內部條件(如渦輪機功率、效率,燃燒室、溫度,轉子機械強度等)的前提下,建立工況渦輪發機的數學模型,編程算並確定渦輪機內部機械結構和燃氣熱學狀態各參數。
  14. Therefore, the committee would carried out a series of activities to encourage adolescents to do exercise with their family and friends so as to improve health and social relationship. also, it would help adolescents to face the pressure positively and to keep a distant with unhealthy life style and high risk behaviour

    有見及此,荃灣健康社區督導委員劃舉辦青少年積極運強身心活,鼓勵青少年與家人朋友一,強身健體之餘,亦增進人際關系,積極面對生活,遠離不良的生活習慣和高危健康行為。
  15. The results of numerical experiments, using the four - dimensional variational data assimilation system of the nonhydrostatic mesoscale model mm5, show that : the tangent linear model and adjoint model conducted by keeping the " on - off " switches the same as the basic state, can provide a good approximation of the first - order information to the nlm perturbation and a good descent direction for the minimization procedure ; switching on and off at every other time step in the kuo cumulus parameterization scheme do n ' t impact the convergence rate of cost function ; the existence of the switches do n ' t impact improvement to the mm5 model rainfall prediction because that not only specific humidity, but also wind, temperature and pressure are assimilated into the model

    非靜中尺度數值模式mm5的四維變分資料同化系統進行的數值試驗結果表明: 「開關」變量保持與基態一致,所構造的切向線性模式能夠提供關于非線性模式擾的一階近似,伴隨模式所算的梯度值能夠為最小化過程提供較好的下降方向;郭氏降水參數化方案中對流每隔一個積分步的交替發生並不影響目標函數最小化的收斂速度; 「開關」變量的存在也不影響將風、溫度、氣和比濕結合來同化對mm5降水預報準確性的提高。
  16. 4. the uncertainty of quasi - dynamic pressure corresponding tables is analyzed systemically. according to the data obtained from the calibration process by varying the pulse width, the regulation of error on consulting the quasi - dynamic pressure corresponding tables caused by the variation of the pressure pulse width is explained. and the applicable scope of the 6ms quasi - dynamic pressure corresponding tables is discussed

    4對準態校準之對照表進行了系統的不確定度分析,利用變脈寬校準數據,闡明了由於被測脈寬變化引的查表誤差的規律,根據該不確定度算方法,探討了測銅柱、測銅球用6 . 0 0 . 6ms準態校準對照表的適用范圍。
  17. This paper investigates the two interrelated problems from the following two parts : first part, a polar coordinate quasi - geostrophic barotropic model, a cartesian coordinate quasi - geostrophic barotropic model, a quasi - geostrophic baroclinic model, and a quasi - geostrophic barotropic vorticity model under the condition of non - stationary typhoon circulation are designed within the framework of advection dynamics, and systematically dynamic studies on effects of different physical processes on the intensity of typhoons are conducted

    研究內容分兩個部分。第一部分,在平流學框架內設了一個極坐標準地轉正模式、一個直角坐標中準地轉正模式、一個準地轉斜模式、以及一個非定常臺風環流條件下準地轉正渦度模式,對引臺風強度變化的不同物理過程進行了較系統的學研究。
  18. Abstract : the initial charge - process of dc capacitor and the steady working state of active voltage - source - inverter power filters are analyzed in this paper, and four new parameters are proposed to judge the working performance of active power filters and to aid their design

    文摘:分析了電逆變器型單相有源電濾波器直流側儲能電容器的初始充電過程(有源電濾波器的過程)和有源電濾波器的穩定工作狀態,並提出了判定有源電濾波器性能、幫助有源電濾波器設的四個標識性參數。
  19. Numerical models were used to study how the infiltration into a slope varies with the rainfall intensity, rain fall duration, soil properties and how the infiltration influences the stability of a slope. a numerical program is coded to solve the transient seepage field by using the finite element and finite difference methods based on the saturated - unsatured soil seepage theory. a model for considering the variations of soil weight and shear strength is created / constructed and the corresponding program is coded

    本文針對受降雨影響顯著的非飽和殘積土土坡,運用飽和?非飽和土壤水分運的理論和二維非穩態滲流有限元模型,模擬雨水入滲引的暫態滲流場,將算所得到的暫態孔隙水分佈用於考慮了基質吸影響的土坡穩定安全系數的算當中,建立了考慮非飽和土土坡從雨水入滲到出現滑坡危險全過程的算模型。
  20. This paper conclude the history and present situation of the research of the compression wave home and abroad ; summarize the forms dimensions of the railway tunnels and tunnel hoods abroad ; discuss the physics model and mathematics model of the air flow when high - speed train running in a tunnel and introduce the compulation method of the pressure in tunnels briefly

    本論文首先總結了隧道縮波研究的歷史和現狀:針對高速列車所引的空氣效應要求,統了國外高速鐵路隧道及各種緩沖結構的形式和尺寸。討論了高速列車在隧道內運行中引的空氣流物理模型和數學模型,並簡單介紹了隧道內空氣算方法。
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