正壓系統 的英文怎麼說

中文拼音 [zhēngtǒng]
正壓系統 英文
positive-pressure system
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : 壓構詞成分。
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
  • 正壓 : barotropic
  • 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
  1. We are asking a network or system to attenuate certain frequencies.

    我們在要求一個網路或制某些頻率。
  2. More than 50 % of cane land is irrigated, mainly by sprays or flooding of furrows. use of low - pressure overhead irrigators and drip systems is increasing

    採用噴霧灌溉或渠灌的甘蔗地超過50 % ,使用低高架灌溉器和滴水灌溉在增加。
  3. Other common devicesintravenous medication pumps allow the nursing staff to titrate medications ; foley catheters and urine collection bags aid in monitoring urine output ; sequential compression devices squeeze the lower extremities and reduce the incidence of deep venous thrombosis ; transvenous pacemakers stimulate the patient ' s heart to beat ; dialysis machines remove fluid and correct electrolyte and acid - base disturbances ; intraaortic balloon pumps assist the heart ' s contractility ; and neurologic monitoring systems measure intracranial pressure

    其他常用裝置靜脈內給藥泵由普通護士用於滴定藥物;弗利氏導管和集尿袋幫助監測排尿量;連續迫裝置擠下肢,減少深部靜脈血栓形成;經靜脈起搏器刺激病人心臟跳動;透析儀除去液體,糾電解質和酸堿紊亂;主動脈內氣囊泵支持心臟收縮;神經病學監測測定顱內
  4. This paper researches diathermancy and fluidity of condenser, evaporator, compressor, and capillary in detail. maths models of condenser, evaporator, compressor, and capillary are established and model predigesting and modifying methods are done methods are given in this paper, which can transfer the practical system into the simulating system. in the basis of refrigerating system character, components models are modified in the system administrative levels

    本文詳細研究了蒸發器、冷凝器、縮機和毛細管的傳熱特性和流動特性,建立和發展了蒸發器、冷凝器、縮機和毛細管數學模型,並進行了相應的模型簡化和修方法研究,建立了從實際到模擬的轉換方法;本文針對各製冷的特點,在層次上進行了部件模型的修研究,建立了相應的修模型和演算法。
  5. The system introduces the preventive control that executes the emendation before the voltage violations, and it can increase the voltage security margin

    另外還引入預防控制,在電未越限時提前進行校,提高了電的穩定裕度。
  6. With the development of internet, people need information compression tools to epurate and condense information, such as the automatic summarization system

    隨著internet的快速發展,人們迫切需要信息縮工具來對大量的信息進行提煉、濃縮,而自動摘要是這樣的工具。
  7. Flight controls are green. hydraulic systems are good

    控制常,液
  8. Through studying it is shown that in chagan sag, the geothermal gradients in the center are higher than those around the sag margin and major factors influencing the characteristics of temperature field distribution are the property of geotectogenesis and the differences in tectonic portion, lithology and underground water behaviour ; there are three types of mudstone compaction, i. e. normal compaction, undercompacition and overcomepaction ; there are two pressure systems in sandstone reservoirs, i. e. normal pressure and negative pressure systems and the strata ' s being uplifted and denuded is the key factor leading to the formation of the negative pressure system in reservoir ; and the distinctive temperature - pressure field characteristics in the sag are possessed of important petroleum geological significance in hydrocarbon source maturity, hydrocarbon generation, widening on oil and gas exploration domain and selecting exploration targets, etc

    研究表明,查干凹陷中心的地溫梯度高於凹陷邊緣,大地構造性質及所處構造部位、巖性與地下水活動的差異是影響凹陷地溫場分佈特徵的主要因素;泥巖實存在實、欠實和過實三種類型,砂巖儲層段力類型可分為常和負兩個,地層抬升剝蝕是導致儲層負形成的主導因素;凹陷獨特的溫場特徵對烴源巖成熟、油氣生成、油氣勘探領域的擴大及勘探方向的選擇等具有重要的油氣地質意義。
  9. ' hydraulic systems : green. guidance systems : green

    常,導航
  10. After introducing the general situation of the hatch, the trait and research status of hydraulic control, complying with the technical request of the enterprises, this dissertation first have designed a double - hatched hydraulic control system with an accumulator as a storable energy

    在介紹閘門的概況,分析液傳動控制的特點以及液動態特性研究現狀后,本文首先根據企業提出的技術要求,設計了一個採用蓄能器作為儲備能源的雙閘門液控制,實現常與停電工況下的功能要求。
  11. First, the system operation conditions that include three input types ( square, sinuous and triangle ) with different frequencies ( l / 250hz, l / 5hz and 1hz ) are discussed. in fault detection processes, we construct 4 three - layer bp neural networks to learn the normal states of the system. the outputs of trained neural networks are as the estimate values of the sensors

    本文詳細研究了在這種情況下的故障診斷問題,針對某液,分析了在方波輸入、弦輸入、鋸齒波輸入下,分別在常工作頻率、極限工作頻率以及接近極限工作頻率等9種工作狀態的特性,以及在這9種工作狀態下,運用神經網路觀測器進行傳感器故障診斷研究。
  12. Most of the traditional real - time detecting method for harmonic current is based on sinusoidal voltage or locking the voltage phase accurately, which deviating from the real circumstances

    由於傳的諧波電流實時檢測方法大都是基於弦的電或對于電波形達到精確鎖相的前提,而現實情況卻往往不是如此。
  13. The ascertainment of surges in surge tank and waterhammer pressure in pipe systems is the key point of the design of surge tanks and the safe function of the water power station

    調室中的水位波動以及力管道水擊強的確定對調確設計和確保電站調常運行至關重要。
  14. Issa f g, morrsond, hadjuka e, etal. digital monitoring of sleep diasordered breathing using snoring sound and arterial oxygen saturation. am rev respir dis 1993 ; 148 : 1023

    黃席珍肖毅鄒丁等.自動持續正壓系統對睡眠呼吸障礙的診治.中華結核和呼吸雜志1998 ; 21 ( 8 ) : 468 470
  15. Power bond graph is used to established the bond graph model of the lifting and dropping of hydraulic pile hammer and state space equation in the paper for hydraulic pile hammer is perplexing nonlinear system. in order to attain the graph that pressure, position, velocity, acceleration vary with time in the course of driving pile simulation procedure solving state space equation is designed on the basis of combining four - order runge - kutta method with predicator - corrector method, dynamic simulation of the hydraulic system is studied in matlab 6. 5. it is convenient to analyse dynamic characteristics of the hydraulic syste m, beneficial to the design and parameter optimization of the hydraulic system. in the final part of the paper, under detailed analysis of the control characteristics for double - acting hydraulic pile hammer with double cylinders, control system based on the programmable logic controllers founded on technology of modern compute is designed

    由於液打樁錘液是一個復雜的非線性,本文採用功率鍵合圖法建立液打樁錘上行、下降的鍵合圖模型和狀態空間方程,通過四階龍格?庫塔法和預估?校法相結合編制了模擬程序對狀態空間方程求解,在matlab6 . 5中進行液的動態模擬,獲得液打樁錘運動過程中力、位移、速度、加速度等隨時間變化的曲線圖。此曲線圖方便了對液動態特性分析,為液的設計和參數優化提供了有益的借鑒。最後,在深入分析雙缸雙作用液打樁錘控制的功能要求后,採用了以現代計算機技術為基礎的新型工業控制裝置? plc可編程式控制制器,設計出了雙缸雙作用液打樁錘的電器控制
  16. This paper is based on " mw variable speed constant frequency ". it has the design and the computation on hydraulic system of wind turbine. it realizes the automatic paint for hydraulic system by the autolisp language in autocad

    本文以沈陽工業大學風能研究所在進行的國家863項目「兆瓦級變速恆頻風電機組」為基礎,對兆瓦級風力發電機的液部分進行了設計計算,並通過autocad的內嵌語言autolisp ,實現了兆瓦級風力機液中變距液缸部分的參數化自動繪圖。
  17. Using matlab, the step response characteristics of the valve in the elevator system is simulated, comparing the effect of its performance with different structure parameters of the pipe rupture valve, such as hydraulic resistance, diameter of the valve, and spring rigidity, and comparing the valve ' s dynamic performance under different operating conditions, such as environment temperatures, number of passengers, and emergencies of the hydraulic system, so the paper offers a general and systematic analysis for the pipe rupture valve of the elevator system

    另外,在液電梯不同的工況下,對該閥的動態性能進行了模擬對比研究,如不同環境溫度、不同乘客人數、不同液意外,以及不同的油液體積彈性模量,比較全面的分析了限速切斷閥在電梯中的性能,根據這些模擬結果,可以分析該閥常工作的工況要求和環境要求。
  18. The paper summarizes the development of the control technology of paver ' s vehicle system ; discusses the feasibility of the plc application to vehicle system ; calculates and examines the working resistance and power of the control system as well some concerning parameters of the hydraulic system ; builds the driving system velocity characteristic ; accomplishes the hardware design and the software design according to the functional requirements of vehicle system and the features of plc ; adds the pid compensation to the closed circuit velocity control ; sums up the mathematic model of hydraulic pump - motor system and defines the controller parameters ; in the end, the simple dynamic simulation basing on the control system model and the simulative test are carried out to testify the reasonableness and the feasibility of the designed plc control system

    本文總結了攤鋪機行駛控制技術的發展,討論了plc應用於行駛的可行性;計算和校驗了控制工作阻力、功率及液有關參數;建立了行駛驅動的速度特性;結合行駛的功能要求及plc的特點,完成了控制的硬體設計和軟體設計;對其速度閉環控制,引入了pid校環節;歸納了液泵?馬達的數學模型,確定了控制器的控制參數;最後對控制模型進行了簡單的動態模擬和plc模擬試驗,初步證實了控制設計的可行性和合理件。
  19. Therefore, the study of the fluid transient accompanying the growing and collapsing of gas bubbles and cavitation in low pressure hydraulic pipelines is absolutely important for the prediction of the hydraulic pump performance and the safety of hydraulic system

    因此,研究低管路有氣泡和氣穴產生的瞬態力脈動過程,對于液泵的流量特性預測以及液常工作有著重要的意義。
  20. The objective of this dissertation is a kind of press - high speed numeric control oil - press. with a theoretical analysis and study about proportional control system, this paper sets up the mathematical model of proportional valve controlled non - symmetry hydraulic cylinder via the hydraulic system model building. then analyzes and modifies the model based on the matter of this study, and simulates the model with matlab software to confirm pid parameters, thus designs the pid controller

    本學位論文針對一具體的研究項目?高速數控機的開發,對比例控制進行理論分析與研究,通過對液的精確建模,建立起比例閥控非對稱液缸的數學模型,然後根據所研究問題的實際情況對模型進行必要的分析和修,再運用模擬軟體matlab分析模型及確定pid控制參數,設計出pid控制器,使得控制的設計具有更多的可靠性和靈活性,最後運用pic單片機實現此控制,並結合整機調試試驗驗證了pid控制的成功。
分享友人