pressure graph 中文意思是什麼
pressure graph
解釋
氣壓記錄器-
The graph shows the effect of age on blood pressure
此曲線圖表示年齡對血壓的影響。 -
This aberration is referred to as a “ m ” by finite element method. rms of absolute error ( rmsa ) is obtained according to displacement, moreover, the relationship graph between rmsa and pressure offers gist for controlling surface precission
由位移計算出絕對誤差的均方根誤差（ rmsa ） ，得到氣壓與rmsa為非線性的變化關系，其關系圖為通過控制氣壓來調節反射面的精度提供了依據。 -
Aimed at the current problem of pipeline layout optimization technique, the research of irrigation pipeline layout and pipe diameter optimization has been done, the gis ( geography information system ) and graph theory were first put forwarded to applyed to the design of low pressure pipeline irrigation project in the paper. with the support of gis, the minimal spanning tree theory of graph theory and 120 project theory can be applied to irrigation pipeline ' s layout optimization. at the aspect of pipe diameter optimization, simplicial method and interior - point method are been used in solve liner optimization model of pipe diameter to reach minimum project cost or a nnual working cost of low pressure pipeline irrigation
本文主要針對當前南方地區低壓管道輸水灌溉規劃設計中存在的技術難點，開發研究先進實用的樹狀低壓輸水灌溉管網計算機輔助設計系統。首次提出了將gis （地理信息系統）和圖論技術應用於低壓管道輸水灌溉規劃設計及灌溉管網優化中，在gis支持環境下，應用圖論中的最小生成樹法和120規劃進行管道的最優化布置。建立以管道輸水灌溉系統的年折算費用最小為目標函數的管徑優化線性規劃模型，並將內點法應用於線性優化模型的求解。 -
Experiment proved that the calculation model could represent the flow of water in networks reliably. a topological - based method for determination of source - serving districts and drawing pressure - contour in multi - source networks was developed, a matrix describing topological relationship between lines and joins in the multi - source networks was set up for the computer - aided analysis. graph display of source - serving districts, dividing lines and pressure - contour was performed
在水力計算的基礎上，提出了利用拓樸理論進行管網的工況分析的方法，確定了多水源供水管網各水源供水區域、供水路徑；實現等水壓線的自動繪制；建立了給水管網余氯濃度的分佈模型；進行了給水管網事故對策分析。 -
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
由於液壓打樁錘液壓系統是一個復雜的非線性系統，本文採用功率鍵合圖法建立液壓打樁錘上行、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?校正法相結合編制了模擬程序對狀態空間方程求解，在matlab6 . 5中進行液壓系統的動態模擬，獲得液壓打樁錘運動過程中壓力、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壓系統動態特性分析，為液壓系統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壓打樁錘控制系統的功能要求后，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壓打樁錘的電器控制系統。 -
A graph of temperature against time also shows the plot of the chamber pressure throughout the experiment
溫度與時間圖也顯示實驗過程中腔室壓力的曲線。 -
The additional integrated bar graph display with a trailing pointer function shows the trend in current working pressure directly
具有指針跟蹤功能的輔助內置條線圖顯示屏可以直接顯示出當前工作壓力的變化趨勢。
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