正壓情況 的英文怎麼說

中文拼音 [zhēngqíngkuàng]
正壓情況 英文
barotropic condition
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : 壓構詞成分。
  • : 名詞1 (感情) feeling; affection; sentiment 2 (情分; 情面) favour; kindness; sensibilities; fe...
  • : Ⅰ名詞1 (情形) condition; situation 2 (姓氏) a surname Ⅱ動詞(比方) compare Ⅲ連詞[書面語] (...
  • 正壓 : barotropic
  1. Echocardiographic examinations were performed at baseline and in anaesthetized patients under spontaneous breathing and under positive pressure ventilation

    分別在基礎下、麻醉中自主呼吸時和麻醉下通氣時進行超聲心動圖檢查。
  2. And rock triaxial serve testing system is used, through model test involving bedded planes and a set of joint normal to the bedded planes in rock mass, multiple sliding failure affected by properties of joints and confining pressure is analysed, the condition triggering multiple sliding failure and characteristics of failure plane are given, under the co - action of inclination of connective joints ( bedded planes ), interlocking conditions of critical joints and confining pressure

    並在室內利用巖石三軸剛性伺服機,通過模型試驗對巖體的層面和一組與層面交的節理的進行模擬研究,分析了結構面性狀和圍對復合式滑移破壞的影響,給出了在貫通性結構面(層面)傾角、非貫通性結構面以及圍等因素共同作用下,節理化巖體發生復合式滑移破壞的條件以及破壞面特徵。
  3. 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;常鉆進以連桿沖擊為主,遇到特殊,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;鉆塔採用液起立,減少了輔助作業時間。
  4. Polyvinyl chloride and polyvinyl chloride can resist to be oxidized. soapnated cellulose acetate can prevent dissolved ferrate ( vi ) penetrating toward the anode and prevent dissolved cathode ' s discharge products penetrating toward the cathode

    ( 1 )製成型的極經過相同的存放時間,不與電液接觸下k _ 2feo _ 4的分解比例,比與電液接觸的小。
  5. Stimulation of the sympathetic nervous system raises bp, usually more in hypertensive or prehypertensive patients than in normotensive patients

    交感神經系統刺激升高血,這種在高血或高血前期病人中通常比常血病人更多見。
  6. Objective : to investigate the effect of pumpless portosystemic bypass in clinical piggyback liver transplantation. methods : after catheterized inferior mesenteric vein, the silastic catheter ( filled with heparin saline ) was connected with the catheterized tube of internal jugular vein or subclavian vein in four piggyback liver transplantation patients. the channel was opened after the portal vein was occluded. the portal vein blood poured into the superior vena cava through the pumpless channel. the changes of mesenteric congestion, portal vein pressure, blood pressure and pulse were observed. results : during the occlusion of portal vein, the portal vein pressure was increased greatly, the intestine was congested and swelled obviously and the blood pressure and pulse fluctuated gently. after the pumpless bypass opened, intestinal congestion and swell were abated markedly, the portal pressure, blood pressure and pulse gradually returned to normal range. conclusions : pumpless portosystemic bypass shows a great effect on clinical piggyback liver transplantation. it is a feasible and economical method

    目的探討背駝式原位肝移植術中採用體外門-體靜脈無泵轉流的臨床效果.方法4例行背駝式原位肝移植患者,腸系膜下靜脈屬支插管經體外硅膠管(充滿肝素鹽水)與頸內靜脈或鎖骨下靜脈插管相接,在阻斷門靜脈后開通腸系膜下靜脈插管,門靜脈血從體外無泵轉流管流入上腔靜脈,觀察轉流前後腸道瘀血、門靜脈、血、脈搏等變化.結果門靜脈阻斷后腸道明顯瘀血、腫脹,門靜脈力明顯升高,血、脈搏有不同程度的波動,無泵門靜脈轉流開放后,腸道瘀血、腫脹明顯好轉,門靜脈力逐漸恢復常水平,血、脈搏恢復常.結論背駝式原位肝移植術中體外門-體靜脈無泵流具有方便、經濟、實用等優點,具有良好的臨床效果
  7. Besides establishing the calculation formulas of the support force of the swash plate, the contact load and the friction force between piston and cylinder block, the interaction force between piston and slipper, and the heel over moment of slipper, the relation between each machinery parameter and all these forces were discussed. 3

    分析了柱塞和滑靴的受力,並推導出斜盤支承反力,柱塞與缸孔間的力和摩擦力、以及柱塞與滑靴間的作用力和滑靴傾側力矩的計算公式; 3
  8. 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、大泄流量時存在的一些水力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動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力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,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力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為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計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水流螺旋運動引起的離心力可以確保井壁強保持,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。
  9. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功率單向流動角度出發,提出了一種lcc諧振型恆頻移相單相高頻鏈逆變電路拓撲,在調制系數0 . 1 m 0 . 5下,控制移相角按弦規律變化,使諧振電脈沖列的幅值追蹤參考弦電信號,經過整流、濾波、低頻逆變,從而獲得弦度較好的輸出電。理論分析和實驗結果證明對于阻性負載或阻感性負載,移相全橋具有超前橋臂零電開通,滯后橋臂或者零電開通( _ 0 )或者零電流關斷( _ 0 )的軟開關特性,而低頻逆變器的各個開關均實現零電條件下的開通與關斷。
  10. 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

    針對這一本文對冶金輔傳用變頻輥道電機的設計進行了系統研究。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 ,起動次數相當頻繁,每小時高達600 - 800次,沖擊負荷大,過載能力要求較高。
  11. The study has also found that platelet activation can be reduced by nasal continuous positive airway pressure ( cpap ) treatment. although the major indication of cpap treatment is to relieve symptoms such as disabling daytime sleepiness, the reduction in platelet activation should be regarded as a bonus benefit especially with the growing evidence of cardiovascular consequences related to osa. it is important to treat symptomatic patients with osa early, with the potential advantage of preventing cardiovascular complications such as stroke

    該研究同時指出,使用鼻腔式治療( continuouspositiveairwaypressure , cpap ) ,能有效減低血小板的活躍度, cpap經已獲證能紓緩阻塞性睡眠窒息癥的病,例如減少日間渴睡的;長遠來說,可以預防和減低患上阻塞性睡眠窒息癥出現心血管並發癥的風險。
  12. Based on the fem program on fracture of plane structure developed by professor fu xiaoling of ho hai university, a two demension damage and fracture finite program package which is programed in fortran 90 language is developed. the paper adopts the plane - eight - nodes isoparameters element and compute the developing law of the damage and macro - damage of plane structure under load. considering the original damage and tension and compression damage at the same time, the paper adopts the more reasonable concrete constitute relation of two demension and exponent function model

    在河海大學符曉陵副教授所編制的平面結構斷裂有限元程序( dl08p4 )基礎之上,本文用fortran90語言編制的二維損傷-斷裂有限元程序包,程序採用平面八結點等參數單元分析計算平面結構在外荷載作用下損傷及宏觀裂縫的發展規律,考慮了混凝土結構體內存在著初始損傷和同時存在的拉、損傷,並且採用更為合理的具有損傷含義的混凝土二維本構關系(即交異性損傷模型中的本構方程)和指數函數模型建立的並可進行拉、損傷可比性換算的損傷演變方程,較為真實地反映了實際
  13. At last, the load transmission property of cast - in - place piles, the developing cause of friction resistance and base resistance, and some factors which influence pile ' s bearing capacity and settlement are analyzed. then, we introduced two parameters, e and c to represent the disturbing effect in pile construction on parameters of modulus es and cohesive c, which determined by the pressed piles

    在這個基礎上進一步分析了打入樁的沉樁擠土效應對樁荷載傳遞的影響及其與靜樁的差異,在靜樁修系數k _ c和k _ e保持不變的下,再引進打入擾動系數_ e和_ c ,以其和原來靜樁的k _ c和k _ e的乘積作為打入樁時的修系數。
  14. Avoiding the difficulties of detecting the difficult parameters in furnace control and of building up the models, integrated with fuzzy control and conventional pid control, abb ’ s control it system is used to predict the bloom surface and center temperature directly based on the temperature of furnace wall easily to be detected so that the temperature settings in various furnace sections can be self - corrected, the furnace temperature of each section self - adjusted and on - line parameters of combustion control self - optimized. in addition, the heating parameters and the operating status of the field plant can be monitored with alarm

    採用abb公司的controlit控制系統,避開爐子控制中遇到的困難參數檢測及建模困難等因素,直接根據容易檢測的爐壁溫度來推知鋼坯表面溫度及鋼坯中心溫度,將模糊控制技術與常規pid控制相結合,實現各段溫爐設定值自修、各段爐溫自協調、各參數在線自整定的自尋優最佳燃燒控制;對熱工參數、現場設備的運行進行監視、報警,實現爐膛力、管道力、換熱器的保護控制,並將重要參數送往廠級mis網路。
  15. But for real microfiltration, the distribution of shear stress on the membrane of the module with outside helical flow would have benefit to make smaller number of particles deposit on the membrane. ( 2 ) by means of orthogonal test and regression method, four new models, trans - membrane pressure model, flux model, trans - module pressure drop model, and efficiency model, were established, which roundly describe the performance of outside helical mf by depicting the flux, energy loss, and handling capacity simultaneously

    ( 2 )採用交回歸實驗,在無顆粒沉積的理想下,建立基於層流數值解的膜器跨膜力損失模型、過濾通量模型、過膜器的力損失模型和膜器過濾效率模型,首次從通量、能量損失及膜器對料液的處理能力等三個方面,更全面地對外旋流方式下的微濾過程進行了描述。
  16. Methods cerebral blood flows were simulated on hemodynamics models of cerebral blood on condition of normal and stroke with practical measured normal carotid blood pressure pre - ecp and during ecp

    方法將實際測量的常的頸動脈血和進行體外反搏時的頸動脈血作用於下和缺血下腦血流動力學數學模型,模擬上述下腦動脈血流的變化。
  17. A warm winter and a mild hurricane season last year have combined with a forecast for warmer - than - normal temperatures this winter to pressure oil prices

    去年是暖冬及少颶風的季節,加上天氣預報報道今年冬天的溫度比下高,都給油價帶來了力。
  18. In the small deflection theory, by buckling analysis, the classical buckling critical load of integrative braid composite cylindrical shells under axial compression is get. according to the experience and the results of fem, a revised formula for calculating buckling critical load is presented

    在小撓度理論中,通過前屈曲分析得到了完善的編織復合材料圓柱殼在軸下的經典屈曲臨界載荷,根據經驗及有限元計算結果,提出了計算屈曲臨界荷載的修公式。
  19. The technology of micro - electronics and calculation method was fully made in the system. how to improve the accuracy of standard orifice measurement is also discussed from the following aspects : the means of measurement and transmitter, online correction of measurement parameter and abnormal condition. all those means are used to overcome its shortcomings of less scale of measurement range, short period of checkout, more tache of maintenance and low accuracy of measure

    該系統充分利用微電子技術和計算技術以及通過實際現場總結的經驗,主要從測量與變送環節採取的措施、相關參數的在線實時補償演算法、非的在線補償三個方面對如何提高量精度加以論述,盡可能地彌補孔板差式流量計量程比較小、檢定周期短、維護環節多、準確度低的不足。
  20. In addition to restating the need for ais to comply with the statutory liquidity ratio requirements, the revised liquidity regime provides more guidance on the development of an effective liquidity risk management framework ; cash flow management and reporting for liquidity management under normal and stressed situations ; and contingency planning for dealing with a liquidity crisis

    除了重申認可機構須遵守法定的流動資產比率規定外,經修訂的流動資金制度更詳細地說明認可機構應如何制定有效的流動資金風險管理架構;進行在常及受下的現金流量管理及申報,以及制定面對流動資金危機時的應變計劃。
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