負壓圖 的英文怎麼說
中文拼音 [fùyātú]
負壓圖
英文
counterpre ure diagram-
Thirdly, it simulated the pumping circuit & dividing circuit with the widely used software matlab / simulink. the displacement of the rod piston and the impact of hydraulic are analyzed in the different input flow ( frequency of pump ) and different reversing time. it found out the cause of hydraulic impact ( one - to - one incorrespondence between the response time of dividing circuit and the operation time of rod piston ), and gave some methods to weaken hydraulic impact. in the final part of the paper, the reliability of the theory analysis is further verified by the experiment of hydraulic system
首先在流變學原理的基礎上，深入分析混凝土在輸送管道內的流動狀態，得出混凝土泵的負載特性方程；然後根據功率鍵合圖的建模方法，建立泵送迴路和分配迴路的數學模型，並運用模擬軟體matlab simulink對泵送和分配迴路模型進行了模擬，分析了在不同的輸入流量（泵送頻率）和換向時間下，活塞桿的位移和系統的液壓沖擊情況，找到了引起液壓沖擊的根本原因（即分配迴路的響應時間（固定值）與活塞桿的運動時間（變化值）不相匹配） ，並提出了相應的改進方法。First, the working principles of the combustion control system of marine main boiler in present use and its disadvantages are discussed in the paper ; in the light of the structure and motion traits of marine main boiler, the combustion control systems of single and double cross amplitude limits are designed. at the same time, the schematic diagram of system and recovery curves of some relative parameters are given, the system working principles and its advantages and disadvantages are discussed. based on the combustion control system of dual - crisscross amplitude limit, by selecting the independent variable, the fixed offset is improved into variable offset, the combustion control system of variable offset dual - crisscross amplitude limit is designed
首先討論了目前船用主鍋爐燃燒控制系統的工作原理及存在的不足；針對船用主鍋爐的結構及運行特點，設計了單交叉限幅燃燒控制系統和雙交叉限幅燃燒控制系統，同時給出了系統原理圖及有關參數的過渡過程曲線，討論了系統工作原理及優缺點；在雙交叉限幅燃燒控制系統的基礎上，將固定偏置經過自變量的選取，改進成變偏置，設計了變偏置雙交叉限幅燃燒控制系統，給出了系統原理圖及有關參數的過渡過程曲線，同時也給出了空氣壓力和燃油流量正負偏置函數與變偏置折線函數的關系式。In this dissertation, the author builds up mathematical model of electro - hydraulic load simulator system. and it also builds up model of p - q servo - valve and complete system based on bond graph theory, which consider the nonlinear of orifices and real - time changing characteristic of liquid capacity in the cylinder chambers
論文建立了電液負載模擬器的數學模型，同時，基於鍵圖理論考慮閥口流量非線性和液壓缸液容的時變特性，建立p - q伺服閥和全系統的鍵合圖。4. the hardware of electronic control system is developed. it includes display module whose tasks are man - machine interaction, displaying humidity and temperature, setting humidity, time, date and week, communicating with computer ; power device module which provides power of all modules and drives control equipments to accomplish intention of main control module and can provide zero crossing protection circuit, excess voltage and under voltage protection circuit and excess current protection circuit ; water sensor group, the responsibilities of which are testing the states of water and send the states to scm, then the scm control the water level after judging the states
開發並實現了電控系統的硬體部分，包括顯示模塊：主要負責人機交互，顯示濕度、溫度，修改濕度、時間、日期、星期，和主控模塊通訊；電源驅動模塊：主要提供各個模塊的電源，驅動被控設備，實現主控模塊的意圖，並能實現繼電器的過零保護，過流、過壓、欠壓保護；水位傳感器組：負責測知水位的狀態，並把此狀態送入單片機，單片機經過判斷、處理反過來控制水位，實現水位的閉環控制。Abstract : according to the deep analysis of the typical punching process, the loading charts and the amplitude - frequency curves of straight side cnc turret press frame are obtained. in the end the dynamic response of a typical process is calculated using modal superposition method by fem software marc and the static and dynamic stress of some nodes is compared as well
文摘:根據板料沖裁時的工作負荷圖確定了數控回轉頭壓力機的動載荷譜，並通過傅立葉展開，獲得了壓力機的幅頻譜，最後通過marc軟體採用模態疊加法計算了典型沖裁時機身的動態響應，分析了其動態特性，並對特徵點的動靜態應力進行了比較。New methods for noninvasively detecting pulmonary pressure and left ventricular end - diastolic pressure manometer that measures megative pressure in mmhg was connected with the examined subject through a mask. the manometer is a remodeled sphygmomanometer for routine peripheral arterial blood pressure measurement that is market - available. the examined subjects were asked to carry out muller maneuver slowly so that the intrathoracic pressure decreases gradually while the blood flow of the right ventricular outflow tract observed with pulsed doppler echocardiography at the parasternal short - axis view of the great vessels in the two - dimensional echocardiography
肺動脈壓和左室舒張末壓無創測定新方法隨機選取有肺動脈瓣返流受檢者，根據我們提出的假說，人為地降低胸內壓（附加胸腔負壓） ，當降到肺動脈內壓力等於或小於右室壓時，肺動脈瓣即可開放，用多普勒超聲心動圖法可以探查到肺動脈瓣上的前向血流，此時的肺動脈壓應該為附加胸腔負壓的絕對值加上右室壓。Chapter three : presents the fabrication process of micro - switch with cantilever beam and designed the masks. chapter four : designed circuit to actuate the micro - switch, analyzed the dynamic and static property of voltage doublers circuit
第四章設計出了微開關驅動電壓的升壓電路，對倍壓整流電路的輸入特性和負載特性進行了分析，設計了實際電路圖。The ar wall may hae thickened due to systemic pressure load, resulting in reduction of wall motion of the ar on transthoracic echocardiogram
由於主動脈壓力負荷增加使右室壁變厚，經胸超聲心動圖顯示出右心室壁位移The arv wall may have thickened due to systemic pressure load, resulting in reduction of wall motion of the arv on transthoracic echocardiogram
由於主動脈壓力負荷增加使右室壁變厚，經胸超聲心動圖顯示出右心室壁位移It is shown that permitted load curve must be implemented in choosing crank press
在選用壓力機時，必須嚴格按照許用負荷曲線圖來選擇。The compress processor chip adopts company ti " s fixed - point dsp of series 54x. it " s the core of this system and is in charge of the compression of the image data, the screening of image sensor and the storage of electronic hard disk
壓縮晶元採用了ti公司的54系列的定點dsp晶元，它是本系統的核心，負責壓縮圖像數據，控制圖像傳感器拍攝和電子硬盤的存儲。They live in the same city, the same street and even the same building, but they never really get to know each other properly because one always walks to the left, and another to the right. . perhaps johnnie to and wai ka - fai found this story outline a little dry, and that the hermit - like characters might scare the audience away these two are really living in the cave, they don t even have a cellphone !,
可能杜韋也覺得這個故事太平淡男女主角那股不吃人間煙火的氣魄兩人連手電也不用會悶到觀眾也可能是投資大他們要承擔票房壓力不能像拍ptu一樣任意而為所以加插了一男一女的配角負責插科打混細節上亦增添了一些輕松幽默的戲大大增加通俗效果以圖吸引更多不同層面的觀眾入場。In the process of image compression, considering that the three or more layers bp networks have some redundancies in the weights between input layer and meddle layer so as to effect the network ' s study speed and compression quality, we bring forward a new two layers back propagation networks and it ' s arithmetic
考慮到利用三層及三層以上bp網路對圖像壓縮，其有效信息是中間層單元上的輸出值和中間層與輸出層之間的連接權，而輸入層與中間層的連接權是冗餘的，以至於對學習速度和壓縮質量有負面影響。分享友人