negative-pressure system 中文意思是什麼
negative-pressure system
解釋
負壓系統-
In chapter three, we negative the nonliear terms in the system of equations which include surface pressure, wind stress and coriolis force terms. the height of the storm surge and the storm current can be seen as two terms
在第三章里，我們忽略了控制方程中的非線性項，將風暴潮潮高和風暴潮流分成氣壓效應和風應力效應的疊加。 -
The system can automatically fill in fresh air for dehumidify and prevention of negative pressure higher than designed in the cabin when testing
為了除濕和防止試驗時艙內產生大於設計要求的負壓，能自動補償新鮮空氣。 -
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；泥巖壓實存在正常壓實、欠壓實和過壓實三種類型，砂巖儲層段壓力類型可分為正常和負壓兩個系統，地層抬升剝蝕是導致儲層負壓系統形成的主導因素；凹陷獨特的溫壓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。 -
The application of dcs to control system for circulating fluidized bed boiler, including the drum water level control, steam temperature control, hearth negative pressure control, fuel control and circulating fluidized bed temperature is introduced
摘要介紹了集散控制系統在循環流化床鍋爐控制系統中的具體應用，包括汽包水位控制、蒸汽溫度控制、爐膛負壓控制、燃料控制和爐床溫度控制。 -
Focusing on the pressure and unfair treatment faced by three em3 pupils, jack neo ' s latest movie “ i not stupid ”, puts many negative social consequences of our education system under the spotlight
梁智強的最新電影? ? 《小孩不笨》尖銳地說出許多社會弊病，重點描述了三個em3學生所面對的壓力和不公平待遇。 -
Since 80 % of the credit was released by the state commercial bank, therefore here i would like to talk about some negative point of the state commercial bank on supporting those enterprises, such as the lessons we have taken and the pressure we will face, the comparision between the risk and benefit, the impact after the reform on credit management system, currently the credit sources will transfer to center city and famous enterprise
指出國有商業信貸資源向大中城市和大中優質企業轉移，是我國市場經濟發展和經濟結構不斷調整優化以及企業追求價值最大化的一種必然反映，符合金融滲透的一般規律，而主要問題在於國有商業銀行對于部分有市場、有效益，有信用的中小企業支持不夠；文章還分析了政府在中小企業融資過程的作用。 -
Two crucial technologies in instantaneous negative pressure wave method are analyzed in this dissertation, then a means is presented which can eliminate the dynamic response time diversity between pressure sensors in the beginning and end of the pipeline, by adopting gps to unify the system time between data collecting systems in two ends
分析了負壓波泄漏定位方法的兩項關鍵技術，提出了消除首末、端壓力傳感器動態響應時間差的方法，採用gps來統一首末端數據採集系統的系統時間；使定位更加準確。 -
The leak detection system of detecting leak on the oil and gas gathering and transferring pipeline where the pressure sensor is the preference is researched through the principle of negative pressure and the technology of digital signal
優選壓力傳感器，利用負壓波原理並採用數字信號處理技術研製了原油集輸管線泄漏檢測系統。 -
Abstract : based on the analysis of the characteristics of the wetpurification of the flue gs with high temperature and the working principle of an induced fan, this paper researched and discussed the selection of the induced fan in a negative pressure system for the flue gas purification with high temperature
文摘:本文通過高溫煙氣濕式凈化特性與引風機工作原理的分析，論述了在高溫煙氣濕式凈化負壓系統中的引風機選配。 -
For the larger area contraction ratio, the flow condition becomes more complicated, the discharge of the tunnel and the change of the negative pressure in the cavity pocket will be reduced, but the cavity diameter of the level rotary cavity flow and the dissipation ratio of the system will be increased
面積收縮率較大時，流態變化復雜，泄流量和環流空腔內的負壓的變化減小，但空腔環流的空腔直徑和泄洪洞的消能率增大。 -
2 on. the based of field data, the two objects, burner to temperature, blower and draught - fanner, to oxygen content and inner negative pressure, have been built model by the method of system identification
2 、在現場數據的基礎上，針對危險廢物焚燒過程中的兩個重點對象環節：燃燒室溫度控制、煙氣氧含量與爐膛負壓控制，採用系統辨識的方法建立了過程對象模型。 -
Usually we linearize them approximately in industrial process, but in some cases this ca n ' t satisfy the request of automatic control which makes us consider the nonlinear factors in the industrial process. in practical process of power plants the typical structure nonlinear case is dead - zone and the latter case is the nonlinear variance of objects ' parametres with the changes of working condition. the nonlinear research is parallel with the linearity and adaptive method can be used to deal with nonlinear cases. in this paper two adaptive control methods are used to solve the problems brought by the dead - zone of boiler negative pressure system and the nonlinear changes of the milling system ' s character parameters, which achieved good results
在生產中通常對非線性作近似線性化處理；但在某些情況下線性近似達不到自動控制的要求，必須對生產過程中的非線性情況進行考慮。在火電廠的實際生產中，典型的結構非線性之一是死區；參數非線性多發生在控制對象特性隨工況變化而變化，表徵其特徵參數變化呈非線性。非線性控制的研究與線性控制的研究是并行的，針對非線性情況，可以採用自適應的控制方法。 -
Application of high and low negative pressure drainage system in laowuji mine
高低負壓瓦斯抽放系統在老屋基礦的應用 -
In allusion to the characteristic of ball mill that it is simple lag, serious inertia and nonlinear, and general control methods are hard to gain a good control impact, so a fuzzy control model is held up which is graded according to burthen, temperature of outlet, negative pressure of entry, and the coupling characteristic of the model is analyzed. finally a fuzzy control system is designed as the model
而模糊控制策略大多應用於受控對象數學模型難以建立的場合，具有較好的穩定性和魯棒性，為此提出了按負荷、出口溫度、入口負壓順序分級預測的模糊控制模型，並分析了該模型的解耦特性，同時，按該模型設計了一種模糊控制系統。 -
Based on the research work about non - negative pressure method of water supply, it was pointed out that there exist some problems in the system if the facilities are not designed or operated properly, and corresponding engineering measure of how to use non - negative pressure method of water supply was proposed
摘要對無負壓供水技術進行了分析，指出了設計或使用不合理時可能出現的問題；提出了正確使用無負壓供水技術的工程措施。 -
It was found that 120mmol / l as, 0. 1 % tween20 and 1min x 10 of negative pressure had optimum effect on increasing the green bud efficiency. 6. using the optimized transformation system, a plant expression vector pig121 was introduced into sweet cherry
85 ，是該轉化體系的較好篩選方式c5 、實驗研究了as 、 tween20和負壓等回素對轉化效率的影響，表明as可明顯提高轉化效率，其最適濃度為120fnmoll ； t 、 cen20和負壓處理也能提高轉化頻率，了、 een20的適宜濃度是0
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