field pressure 中文意思是什麼
field pressure
解釋
油田壓力-
In this paper a kind of cardio - cerebral arterial bifurcation vessel hemodynamic characteristics are studied with the boundary element method, and the blood flowing velocity vector distributions have been calculated. in addition, the flow field distribution and the pressure on the particle surface are also calculated, when there is flow - round particle at the place of bifurcation, the move tendency of the particle is judged, the possible reasons of causing the atherosclerosis, thrombus, angioma are analysed
本文用邊界元方法研究了一類典型心腦動脈分支血管中血液流動的流體動力特性，計算了分支血管血液流動的速度矢量分佈，同時計算了分支附近有多個顆粒狀繞流物時血液的流場分佈，及顆粒物所受壓力狀況，給出了顆粒物的運動趨勢，分析了引起粥樣斑塊病變、血瘤、血栓的可能原因 -
Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box
綜合介紹了邊界元法在聲輻射問題上的理論及應用；並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法，並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序，並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據，實現聲音的可聽化，隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。 -
The major work is as follows : solution of two dimensional radiation or diffraction fluid field. this thesis extends multipole expansion method to adapt to disturbed fluid fields of 2d floating bodies with asymmetric forms, which is applied with symmetric forms originally. and given the solution of potential velocity and hydrodynamic pressure of radiation and diffraction fluid fields, which is incited by a 2d arbitrary form, actual application field of the multipole expansion method has been enlarged
關於二維擾動流場的求解：將通常僅適宜求解具有對稱形狀二維物體擾動流場的多極展開法（保角變換方法）擴展至非對稱形狀二維物體，給出了任意形狀二維物體的輻射和繞射流場的速度勢及水動壓力的頻域解，進一步擴大了多極展開法的實際應用范圍。 -
It measures fluid pressure in the industry process and converts it into 420 ma dc signal output ; at the same time, by field bus hart protocol
它測量工業過程流體壓力，將其轉化成4ma20ma dc信號輸出。 -
The effect of exit back pressure and length / height ratio of isolator on forebody / inlet flow field is analyzed and discussed in the paper
本文還研究了隔離段出口反壓及隔離段長高比對進氣道流場的影響。 -
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。 -
This paper discusses the most suitable design of the homocentric ball capacitor on the condition that the maximum pressure endurance is limited and the puncture field is strong
摘要討論了在限定最大耐壓值及介質的擊穿場強的情況下，同心球形電容器的最佳尺寸設計。 -
Effect of igneous rock on the roof pressure of mining field
火成巖對采場頂板壓力分佈的影響 -
After above fifty years of flourish expansion, the domestic seamless steel tube enterprises are now facing many contradictions, such as the unsuitable product category for consumption structure, lagging techniques, weak marketing concept. the competition among the enterprises in this field becomes incandescing etc. the essential characteristic of the market makes the enterprises feel more and more oppressive pressure
國內無縫鋼管產業經過五十余年的蓬勃擴張后，已面臨著品種不能適應消費結構、工藝技術水平落後、市場營銷理念薄弱等諸多矛盾，產業內各生產企業的競爭已進入白熱化。優勝劣汰這一市場經濟的根本特徵使每一個企業感到越來越沉重的壓力。 -
Measurement of pressure is one of the most frequently performed operations in the entire field on instrumentation.
在有關測量方法的整個領域中壓力測量是最常見的一種。 -
At one time, in the life field of leisure, creating of self - identity may be negated and distorted under pressure and restrictions of the mass society. thus, it may cause alienation
同時，在休閑這一生活領域中，自我認同感的創造可能被大眾社會的壓力與抑制所否定和扭曲，休閑可能會被異化。 -
Thedevelopment development hydraulic jack, the bearing heater, thebearing get up pulling out, the hydraulic pressure spanner, thehydraulic pressure pulls a horse, the hydraulic pressure small crane, nut broken cutting, the oil filter machine and the pipe bendingmachine and so on the advanced practical mechanical and electricalservice product has the world advanced level, the product and thetechnology widely applies to domain the and so on electric power, petrification, chemical industry, metallurgy, mine, spinning andweaving, papermaking machinery service department and the machinemanufacture unit, and in the daya bay nuclear power station, beijingsteel corporation, wuhan steel corporation, the baoshan steelcorporation, the daqing oil field, the victory oil field, the golmudoil field, the three gorges power plant, yangzi petrifies, qi and lupetrifies and so on in the national large and middle scale enterprisesand the project the comprehensive promoted use
研製開發的液壓千斤頂，軸承加熱器、軸承起拔器、液壓扳手、液壓拉馬、液壓小吊車、螺母破切器，濾油機和彎管機等先進實用的機電維修產品有世界先進水平，產品和技術廣泛應用於電力、石化、化工、冶金、礦山、紡織、造紙等領域的機械維修部門和機械製造單位，並在大亞灣核電站、首鋼、武鋼、寶鋼、大慶油田、勝利油田、格爾木油田、三峽電站、揚子石化、齊魯石化等國家大中型企業和工程中全面推廣使用。 -
First, it was taken that a discuss about the effects of geometry parameters of each piezocrystal on direction parameters ( main lobe width, side lobe amplitude, elimination of grating lobes ), amplitude of ultrasonic pressure, element viberation pattern, mutual radiation among elements, efficient test regions, ability to keep accurate and near - field distance and so on. based on the direction of ultrasonic field in ulpa deduced by ourselves. in addition, on the base of integrating all kinds of factors, it was put forward that the principle and method for optimized design of geometry parameters of piezocrystals in ulpa transducer, and its design programme and interface were compiled
首先在推導超聲相控線陣換能器聲場的指向性的基礎上，就各個晶片幾何參數對指向性指標（主瓣寬度、旁瓣幅度、消除柵瓣） 、聲壓幅值、陣元振動模式、陣元間互輻射、有效檢測區域、精確控制能力、近場長度等方面的影響進行了論述，並在綜合各方面影響的基礎上，提出了晶片幾何參數優化設計的原則和方法，編寫了設計程序和界面。 -
The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade
葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題，本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上，建立了三維、可壓縮紊流的物理模型，得到了通用的求解辦法；利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型，計算了冷卻空氣通過這幾種通道時的流動與換熱情況，得到了各種不同情況下計算區域的溫度場、壓力場、速度場；在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響，並整理得到了各種通道形式下，努謝爾數和阻力因子與雷諾數的函數關系；本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果，通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較，表明了這種新型鮚構的優勢，對于葉片內部通道冷卻結構的設計可以起到指導的作用。 -
In this paper, based on the qinling - zhongnanshan long double - tube highway tunnel, the rule of temperature field, pressure field and smoke distribution in a long highway tunnel fire is studied. on the basis of this, safety system on the tunnel fire protection and rescue of the long highway tunnel are discussed deeply
本文以秦嶺終南山特長公路隧道為對象，研究了火災時隧道內溫度場、壓力場的分佈以及煙霧的擴散規律，並在此基礎上深入研究了長大雙洞公路隧道火災防災救援安全體系。 -
A series of results are achieved such as fluid field thermal field pressure field and stress field. those results show that sphere target has better heat exchange and convenient fluid structure and that cone target is easy to accepting neutron and has the convergent stress. taking into account the thermal - hydraulic and physics discipline, solid target choose sphere structure but liquid target still should further consider of material study
計算結果表明：圓球靶型散熱快，流道設計方便;錐形靶易於接收中子，但結構易引起應力集中，在綜合熱工、物理兩個角度，固態靶選取圓球型鎢靶比較滿意，液態靶區的計算需要在材料研究的基礎上進行。 -
According to the theoretical calculation and fire test, the rule of temperature field, pressure field and smoke distribution in a long highway tunnel fire is analyzed
結合理論計算和火災模型試驗，對火災時隧道內溫度場、壓力場和煙流場的分佈進行了分析。 -
Variability analysis of overlying strata movement rule and mining field pressure under super - thick magmatic rock
巨厚巖漿巖下開采覆巖移動規律及采場壓力變異性分析 -
Methods for field pressure testing of asbestos - cement pipelines
石棉水泥管路的現場壓力試驗方法 -
Wide plus 8 series miniature pressure transmitter is widely applied for industrial process field pressure measurement and control such as aerospace, petroleum, chemical industry, metallurgy, electric power and water conservancy by the fine reliability and wide applicability, flexibility and multiplicity of the product
Wide plus - 8系列精小型壓力變送器以其優良的可靠性，廣泛的適用性，產品的靈活性和多樣性，廣泛應用於航空航天石油化工冶金電力水利等工業過程現場壓力測量和控制。
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