pressure characteristics 中文意思是什麼

pressure characteristics 解釋
壓力特性
  • pressure : n 1 壓；按；擠；榨。2 【物理學】壓力，壓強；大氣壓力；電壓。3 精神壓力，政治[經濟、輿論等]壓力。4...
  • characteristics : 產品性能描述
  1. 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
  2. And rock triaxial serve testing system is used, through model test involving bedded planes and a set of joint normal to the bedded planes in rock mass, multiple sliding failure affected by properties of joints and confining pressure is analysed, the condition triggering multiple sliding failure and characteristics of failure plane are given, under the co - action of inclination of connective joints ( bedded planes ), interlocking conditions of critical joints and confining pressure

    並在室內利用巖石三軸剛性伺服機，通過模型試驗對巖體的層面和一組與層面正交的節理的情況進行模擬研究，分析了結構面性狀和圍壓對復合式滑移破壞的影響，給出了在貫通性結構面（層面）傾角、非貫通性結構面以及圍壓等因素共同作用下，節理化巖體發生復合式滑移破壞的條件以及破壞面特徵。
  3. Study on ultraweak bioluminescence characteristics of tomatoes with high pressure processing

    微熱協同超高壓處理殺滅芽孢桿菌芽孢效果的研究
  4. This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims

    對高壓背壓式氣動測量用於小量程線性尺寸測量的靜態特性曲線的理論工作拐點進行了推導，對氣動測量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計，對主噴嘴和測量噴嘴的不同組合，將影響測量系統靜、動態特性指標的噴嘴參數進行了對比實驗和優化設計，並通過實驗驗證了理論推導，從而使氣動測量系統量程的示值范圍達到40 m ，靈敏度達到100mv m ，解析度達到0 . 05 m ，測量不確定度小於0 . 2 m ，滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分組的要求。
  5. The additional flow is formed by the device of dentoid baffle, and the application of the device of dentoid baffle cooperated with a stilling basin has been investigated by systematic model tests. based on the research results, the hydraulic problems such as the characteristics of hydrodynamic pressure and cavitation on the head of the denotid baffle, the properties of flow under the condition that the device of denotid baffle is used with a stilling basin, the hydraulic computation about a stilling basin, the estimation of energy dissipation and its various affection factors, the mechanism and effect of energy dissipation, and distributions of velocity and pressure and aerating concentration, etc, have been analyzed ; the method and step of hydraulic design of device of denotid baffle by which the additional flow is produced has also been proposed

    文中利用齒墩設施實現附加射流，對齒墩設施與消力池聯合應用進行了大量的和系統的模型試驗，分析研究了中低佛勞德數條件下，齒墩墩頭的動水壓強及空化特性，齒墩設施與消力池聯合應用時的流態特性，消力池的水力計算，消能量的估算及其各種影響因素，消能機理和效果，消力池內的流速、壓強特性，摻氣濃度分佈等水力學問題，並提出了實現附加射流齒墩設施的水力設計方法和步驟。
  6. Numerical calculative simulation could factually reflect the dynamic characteristics of the whole equipment and inner flow and diathermancy of split - stirling crycooler. through the calculation, the velocity, temperature, pressure and other detailed information of airflow in any position inner the crycooler could be gained ; the distribution of each parameter could be confirmed and reasonable explanation for the experiment result could be made

    數值計算模擬能接近真實地反映分置式斯特林製冷機的整機和內部流動、傳熱的動態特性，通過計算可以得到製冷機內部任一位置的氣流流動的速度、溫度、壓力等詳細信息，確定各參數的分佈情況，並可以對實驗結果做出合理的解釋。
  7. First this paper describes the composing and technics of drillers ; then the composing of control system based on s7 - 300plc is described ; then thinking of such characteristics of oil driller as complexity and long delay, this paper brings forward the control strategy of combining the fuzzy control with smith estimate control algorithm, and sets down the way of auto - driller based on discal hydraulic pressure brake. at last the experiment based on matlab by computer shows that the effect of this control mode is very good and all performance are famous

    首先本文闡述了鉆機的組成與工藝特點，然後描述了基於西門子s7 - 300plc的控制系統組成，然後針對傳統鉆機自動送鉆控制策略落後的缺陷，同時考慮到鉆機的復雜性、大滯后等特點，提出了模糊控制演算法與施密斯（ smith ）預估控制演算法相結合的控制策略，給出了基於液壓盤式剎車的自動送鉆智能控制策略， matlab的模擬實驗證明該控制方式控制效果良好，各方面性能指標都達到理想要求。
  8. And apatite. by these analyses and comparison with general granite both in china and the world and with the granite in other au or cu belt in china, the characteristics of the granite in this area are concluded as follows. it belongs to magnetite - i or syntectic granite and has crust - mantle mixed characteristics ; it was formed mainly by crystallization differentiation of melting magma and multiphase varied intrusion ; the degree of differentiation evolvement is not high ; the granite and its enclaves p. re congenetic ; the range of temperature is about 500 - 700, the range of pressure is about 2. 50 gpa - 4. 35 gpa, and the range of oxygen fugacity ( lg fo2 ) is - 15. 53 - - 14. 00 ; most granite bodies formed before the collision of plates, and few formed after the collision of plates

    通過對測試數據的分析與綜合研究，並同中國和世界一般花崗巖類以及中國主要金、銅成礦巖體的花崗巖類進行對比，得出本區花崗巖類巖石具有以下特徵：屬磁鐵礦-型或同熔型花崗巖，其巖漿物質具殼幔混源特徵：主要由熔融態巖漿經結晶分異作用，通過多期變速上侵而形成；其分異演化程度較低；寄主巖基和包體具有同源性；巖石的形成溫度范圍約為500 - 700 ，壓力大約為2 . 50gpa - 4 . 35gpa ，氧逸度值1gfo _ 2為- 15 . 53 ? 14 . 00 ；該巖帶主要形成於板塊碰撞前消減的活動板塊邊緣期，為燕山至喜馬拉雅早期的大陸邊緣火山弧環境的產物。
  9. Abstract : making a comparison between bladder - type accumulator and piston accumulator, the paper presents the characteristics of both devices, puts forward and recommends to “ piston accumalator with gas bomb ” circuit design solution for large oil compensating and pressure maintaining system and makes an exposition of the operating process and methods for pressurizing by air inflation with piston accumulator

    文摘:對比說明了囊式和活塞式蓄能器的特點，對大型補油保壓系統提出了推薦採用「帶儲氣瓶的活塞式蓄能器」迴路設計方案的觀點，並闡述了利用活塞式蓄能器進行充氣加壓的操作過程和方法。
  10. In chapter 2, the meteorological knowledge, data and the methods of the data processing, related to the study on the atmospheric loads, are simply presented. the model for the perfect gas constant, describes by the relative moisture, is developed. the influences of the variation in the vapor component in the atmosphere on the perfect gas constant are evaluated by using the changing characteristics of the temperature on the surface, its spatial gradient and the barometric pressure

    第二章：簡要介紹大氣負荷研究所需的氣象科學知識、資料及其數據處理方法；建立相對濕度表示的大氣比氣體常數模型，利用地面溫度和空間垂直溫度梯度、壓力變化的規律估算大氣水汽組分變化對比氣體常數的影響；對中國及鄰區的地面氣壓記錄進行了預處理和網格化
  11. Dynamic plantar pressure characteristics of normal children before school age in gait

    正常學齡前兒童步行時的動態足底壓力特徵
  12. Pressure characteristics of a pneumatic servovalve with uneven underlaps of the spool

    具有不均等正開口量的雙邊滑閥式氣動伺服閥特性研究
  13. Extreme pressure ( ep ) additive ? chemical compound imparting extreme pressure characteristics to a lubricant with the objecfive of reducing wear under conditions where rubbing or sliding accompanies high contact pressures ， as in heavily loaded gears ， particulars of the hypoid type

    極壓（ ep ）添加劑在伴隨著高接觸壓力的摩擦和滑動的情況下（如：在重載齒輪，特別是準雙曲面型齒輪中） ，能夠賦予潤滑油抗極壓性能，以達到減輕磨損目的的化合物。
  14. Extreme pressure ( ep ) additive _ chemical compound imparting imparting extreme pressure characteristics to a lubricant with the objective of reducing wear under conditions where rubbing or sliding accompanies high contact pressures, as in heavily loaded gears, particulars of the hypoid type

    極壓（ ep ）添加劑在伴隨著高接觸壓力的摩擦和滑動的情況下（如：在重載齒輪，特別是準雙曲面型齒輪中） ，能夠賦予潤滑油抗極壓性能，以達到減輕磨損目的的化合物。
  15. Some characteristics of the measured wind pressure field were discussed, including distributions of wind pressure, the effects of shape ratio on total wind force coefficients, auto - and cross - power spectral density ( psd ) distributions of fluctuating wind pressure, characteristics of the proper orthogonal decomposition ( pod ) results of the measured wind pressure field, effects of reynolds number on wind pressure distributions, etc

    根據測量結果對殼體表面風壓場特性進行了分析，包括風壓系數、整體風力系數、脈動風壓自功率譜及互功率譜、風壓場本徵正交分解特性、雷諾數對殼體表面風壓分佈的影響等。
  16. Thirdly, cbt ' s characteristic of the strain v. s. the applied pressure is studied, on the basis of this, a new scheme of the straight bourdon tube ( sbt ) is presented, a sbt is designed and fabricated, and then the strain - pressure characteristics of both the cbt and sbt are measured experimentally using a strain measuring technique, a comparison between the cbt ' s and sbt ' s strain characteristics is also made. finally, theoretical models of a fbg fluid pressure sensing system scheme based on the bourdon tube are developed, and a fbg - based fluid pressure sensing system using the transverse strain - pressure characteristic of the sbt is designed and set up

    首先，詳細介紹了fbg的基本光學傳感特性，並測量了fbg的溫度、應變特性；其次，研究了c型彈簧管的位移?壓力特性，並利用ccd成像和計算機圖像處理技術對其進行了非接觸測量；再次，研究了c型彈簧管的應變?壓力特性，在此基礎上提出直彈簧管的設計方案，並製作了直彈簧管，採用應變測量技術對c型彈簧管和直彈簧管的應變?壓力特性分別進行了測量，對兩者的應變特性做了比較；最後，建立了基於彈簧管的fbg壓力傳感系統理論模型，設計完成了基於直彈簧管橫向應變?壓力特性的fbg流體壓力傳感系統。
  17. Relative pressure characteristics derivation

    相對壓力特性偏差
  18. Pressure characteristics derivation

    壓力特性偏差
  19. Abstract : this paper discussed the roadways pressure characteristics of south sublevel caving region in fengshan copper mine. by means of engineering practice and the measure results in site test, to counter the feature of roadways pressure, the supporting / reforcing technology of roadways and the controlling treatments for ground pressure is proposed in varying geological conditions

    文摘:對豐山銅礦南緣無底柱崩落法采區的巷道地壓特徵進行了探討，針對其地壓顯現特點，結合工程實踐和現場實驗測量的結果，提出了不同地質條件下巷道的支護加固方案和地壓控制措施。
  20. Study on the pressure characteristics of pulsed discharge in water

    水中脈沖放電的壓力特性研究
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