流體靜應力 的英文怎麼說

中文拼音 [liújìngyīng]
流體靜應力 英文
hydrostatic stress
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : 體構詞成分。
  • : Ⅰ形容詞1. (安定不動; 平靜) still; calm; motionless 2. (沒有聲響; 清靜) silent; quiet Ⅱ名詞(姓氏) a surname
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • 流體 : [物理學] fluid; fluor流體力學 fluid mechanics; hydromechanics; 流體生物學 hydrobiology; 流體運動學 hydrokinematics
  1. First, a simple discussion for the mechanism about electrostatic atomization of the liquids has been given ; then the paper theoretically analyzed waving course, liquid drop producing course, and the liquid drop diffusing course in electrostatics atomization process., gave an analysis about the methods about carrying charges to the liquid drop, and analyzed that liquid with high electrical conductivity can be carried charges and atomized by electric field, while the isolated liquid with low electrical conductivity can be charged fully with the soakage electrode and inducing charge methods. at last the paper designed and configured the experimental equipment, conducted the atomization experiment to the three liquid medium - kerosene, emulsifier and alcohol under the same environment, handled the experimental results, then summarized the relationship between liquid electrostatic atomization effect and liquid surface tension, electronic conductivity and viscosity, along with the influence of voltage to electrostatic atomization and so on, found out the liquid atomization rule in high voltage electrostatic field

    首先,對液介質的電霧化機理作了初步的探討,理論上分析了液霧化過程中射區、波紋區、霧滴區和霧滴擴散區;然後對液荷電方法進行了研究分析,對于高電導率的液,場致荷電和接觸荷電可以使其霧化,而對于電導率較低的絕緣液,需用浸潤電極荷電和感荷電方法使其充分帶電;最後,根據前面的研究分析,設計和組裝試驗裝置,在同一環境下對煤油、乳化劑、酒精三種不同液介質進行高壓電霧化試驗,並對試驗結果進行分析處理,總結出液電霧化與液表面張、電導率和粘度的關系及電壓對液電霧化的影響等,得出高壓電場中液霧化的一般規律。
  2. Objective to investigate the effects of fluid shear stress on il - 8 gene in human umbilical vein endothelial cells ( huvecs ) and the roles of time course of low shear stress and intensity of fluid shear stress using lightcycler ? system ; to investigate the gene expression profiles in huvecs exposed on low shear stress ( 4. 20 dyne / cm2, 2 h ) and incubated by 17 p - estradiol ( 10 - 7 m ) + low shear stress ( 4. 20 dyne / cm2, 2 h ) using the cdna microarray approach. methods endothelial cells were isolated from human umbilical cord veins by collagenase treatment as described by jaffe and modified

    目的探討人臍脈內皮細胞( humanumbilicalveinendothelialcells , huvecs )在作用下il - 8基因的誘導表達以及切的作用時間和作用強度對il - 8基因表達影響的變化規律;利用表達譜基因晶元技術研究內皮細胞在低切( 4 . 20dyne cm ~ 2 , 2h )作用下其切相關基因的表達情況以及生理濃度( 10 ~ ( - 7 )的17 -雌二醇孵育內皮細胞48h ,再經同樣條件的切處理后對內皮細胞切相關基因表達的可能影響。
  3. A lot of experiments have been done in the process of exploiture soft packaging li - ion battery about how to choice the rational arts and crafts. the content include : how to deal with the collector, add how much pvdf in the material, how long the material need to stirring and the right viscidity, how much condubtivity agent the electrode need, what theckness is best, choice different collectors, the degree of dryness of the electrode, theckness of pressed model, how much electrolyte will be added, placement how long after added the electrolyte, system of formation how to influnce the battery, in formation the battery need or not need preesure from outside, how to vacuumize and the optimize matching positive pole and negative pole. with these practice make sure the parameter of the positive pole should less than 90 m ; according to different vacuumize order the conduc - tivity agent in anode will be 5mass % and 9mass %, respectively, and in cathode the data is 2mass % ; every 100mah added to 0. 4 ml electrolyte ; before formation the battery should be placement 8 hours and the system of formation must be less than 0. 01c before the voltage reach to 3. 0v ; should press in outside when battery in formation ; to these batteries which capacity more than 350mah the vacuum time not excess 15s ; the optimize matching positive pole and negative pole between 2. 10 : 1 and 2. 15 : 1. finally make out the battery which cycling performance and security are all very well

    液態軟包裝鋰離子電池的研究主要是對關鍵工藝進行了優化設計,具包括:集的處理、 pvdf的加入量、漿料攪拌時間和粘度、導電劑的加入量、電極膜的厚度、不同集的選擇、電極膜的乾燥程度、壓型的厚度、電解液的加入量、注入電解液后置時間的長短、化成制度的影響、化成時電池所具有的壓影響、抽真空的處理、正負極活性物質的匹配。最後確定出液態軟包裝鋰離子電池最佳工藝參數:正極膜的厚度小於90 m ;根據化成時不同抽真空順序,確定正極膜中的導電劑的加入量分別為5mass %和9mass % ;負極膜中導電劑的加入量為2mass % ;電解液的加入量為每100mah添加0 . 4ml ;化成前電池的置時間當大於8h ;電池在3 . 0v之前採用小於0 . 01c的化成制度;在化成過程中當施加一定的外部壓;對於350mah的電池抽真空的延時不大於15s ;而正負極活性物質的質量比當在2 . 1 : 1 2 . 15 : 1之間。
  4. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行波面電作用於有限長鐵芯上的模型,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟ansoft對大圓環直線感電機空載氣隙磁場進行了態分析,並分析了結果; ( 3 )用軟進行了額定電壓下的瞬態分析,得到了轉矩,位移,轉速隨時間變化曲線圖,利用單極性霍爾元件測定轉速並與軟計算結果進行了比較,採用等效電路法計算了堵轉時的最大電磁並做實驗進行了驗證,由實驗測得了三相電波形,並與計算結果進行了比較,對其不對稱性進行了定性分析。
  5. Different equations to corresponding components are presented by analysing and transformating the general equations of fluid routes, then static characteristics mathematical model of liquid propellant space propulsion system is presented. based on the data of static characteristics calculation, mass model of thruster, propellant, propellant tank, gas, gas bottle, pipe and valve is presented using both the method of statistical regression and the method of stress analysis, then corresponding mass model is presented. based on the characteristics of liquid propellant space propulsion systems, analyse the five phases ( concept and definition, design and improvement, manufactureing and arrangement, operation and ma intenance, disposal ) in which life cycle cost of liquid propellant space propulsion systems is cost separately, then discompsed structure of life cycle cost and model of life cycle cost are presented

    將組件分成氣路組件和液路組件,再對氣路組件和液路組件進行相的分類,然後通過對通用路方程進行分析和變換對不同類型的組件分別建立不同的方程,從而建立了一個適用於液推進劑空間推進系統的態數學模型;根據態計算所得到的數據,用統計回歸法和分析法分別建立推室、推進劑、推進劑貯箱、氣、氣瓶以及導管和活門等的質量模型,從而建立相的質量模型;結合液推進劑空間推進系統特點,對液推進劑空間推進系統全壽命周期費用發生的五個階段(概念和定義、設計和改進、製造和安裝、運行和維修、處理)分別進行分析,建立了液推進劑空間推進系統全壽命周期費用分解結構和全壽命周期費用模型。
  6. Water shutoff agent dsz - a is composed of inorganic particle. its specialities are low cost, easily flow, high strength and long valid period. the agent suits non - selective water shutoff in sand formation. dsz - a not only can plug high water - bearing formation, but also can plug case leakage. dsz - a has been applied on site and gotten good effect. it is a agent which has wide prospect

    井下護泵除砂裝置主要用於產液氣量高,出砂能大,利用常規裝置、常規方法很難治理的井.它的設計是建立在丟手封隔器卡封的基礎上,將液攜砂能由地層進入泵管轉變為先過濾(雙層激光割縫篩管部分) ,再在除砂器內態沉澱、由單閥排入井底等一系列除砂護泵優點.本文著重介紹了井下護泵除砂裝置的工作原理與用情況
  7. Kerosene testing ? when specified for special service valves, pacific valves can perform hydrostatic shell and seat closure testing using kerosene in lieu of water

    煤油檢測?對于特殊用的閥門,如果用戶指定,美國太平洋閥門可以採用煤油代替水對閥門進行學殼和閥座壓縮檢測。
  8. In chapter 4, the influences of the earth ' s models on the elastic green ' s function, as well as on the atmospheric loading effects, are discussed using the numerical techniques. the attraction green ' s function is solved out based on the state equations of the ideal gas and the hydrostatic equilibrium equation. the influences of various factors upon the gravity and tilt green ' s functions, as well as upon the gravity and tilt, are considered in detail

    第四章:採用數值計算方法,研究了地球模型對彈性項格林函數及其對大氣負荷響的影響;利用理想氣方程和學平衡方程解算了吸引項格林函數,討論各種因素對大氣重和傾斜格林函數及其對重和傾斜的影響;基於球對稱地球模型,給出了武昌站臺站依賴的大氣重、傾斜格林函數
  9. Electricity power system computer simulation the computing include the current computing, simple fault computing, complicated fault computing, quiescent stabilization the computing and development stabilization the computing etc. because the computing software of electricity power system are all the earlier words software, it is very difficulty for studying and isn " t easily for using and ca n ' t draw the graphics of the electricity power system ect

    對電系統的運行狀態進行分析需要進行大量的計算,電系統計算機模擬計算主要包括潮計算、簡單故障計算、復雜故障計算、態穩定計算和動態穩定計算等計算。本文針對當前電系統計算軟大多都是早期的字元界面的軟,學習難度大,不易使用,以及不具備電系統圖形繪制等弊病,對microsoft公司的visualc + + 6 . 0及其所提供的microsoft基礎類庫( mfc )展開了理論與用的研究工作。
  10. In this project, the maximum height of the dam is 81m, but the deep overburden in the riverbed has the depth of 147. 95m which is about two times of the maximum height of the dam body, so the seepage and liquefaction prevention of the dam foundation becomes the key and important problem in the design of the dam project. the static stress and deformation under three different projects - horizontal blanket project, clay core project and asphalt core project - for the dam is analyzed comprehensively. the damage that may be induced by variable factors on the dam body in time of engineering completion and water impounding operation period is seriously studied

    其次,將這一模型用於分析下坂地水利樞紐工程,由於該工程河床覆蓋層深度最深達147 . 95m ,是壩高度的近兩倍左右,壩基的滲和液化成為壩安全主要問題,本文對該壩的三種設計方案即水平鋪層防滲方案、粘土心墻防滲方案及瀝青心墻防滲方案的位移及壩在竣工期、蓄水期等各個階段可能產生的破壞進行了認真研究。
  11. And then in detail the paper explains the main technique in sliding construction, which includes jacking scheme, plan layout, assembly, transport and stacking of component, setting of sliding system, setting of track, conformation of falsework, traction facility etc. third, the paper researches on se veral key points which are sum - up about technics flow of sliding construction, the select of falsework by bearing capacity which was calculated through three methods, the theoretic discuss on auto - control, dynamic or static inspect and adjust

    然後對其中的重點問題作進一步的討論,包括滑移法工藝程的總結;對胎架的選型參考腳手架的計算,運用規范、軟程序等三種方法進行受特徵分析,與已有腳手架試驗結果進行比較分析,得出較為符合實際的胎架承載值;對滑移過程中的自動控制及動、態控制監測等做出了用分析和理論上的探討。
  12. Aimed at the practical performance of soft clay, the static equilibrium equations taking consideration of effect of mass change, with the introduction of soil configuration, soil convection formula and mass conservation theory in soil, are derived, which reveal the phenomenon of coupling of total stress and seepage in equilibrium equations. then, some advisable experimental means are explored to determine the effect of mass change during consolidation. objective stress and strain should be used in large strain analysis

    針對軟粘土大變形固結的實際性狀,文中引入了土構形的概念,土傳運公式和土質量守恆定律,並由此導出了考慮變質量效的大變形固結平衡方程,揭示了平衡方程中存在的總與滲相互耦合的效,並考慮了固液兩相的可壓縮性,進一步探索了測試變質量效的試驗方法。
  13. In process of deep excavation in soft ground, the support system ' s deformation, external loads and internal forces are various with time. creep effects are detectable. meanwhile, the unloading induced by the excavation leads to the dissipation of excess pore water

    在軟土地區開挖深大基坑,開挖中圍護結構位移、結構的外荷和內會隨著基坑暴露時間的增長而變化,呈現出明顯的變效;同時基坑開挖引起土卸載,超孔壓的消散導致固結效的產生。
  14. The test results demonstrate that this prototype has excellent comprehensive performances such as small bulk, lower weight, high efficiency, high steady precision, fast dynamic response, wide range input voltage, good output waveforms, strong over - load and short - circuit ability, and strong function with different nature load and three - phase unbalanced load

    試驗結果表明,該變器具有積重量小、變換效率高、態精度高、動態響快、輸入電壓變化范圍寬、輸出波形質量高、過載與短路能強、帶不同性質負載和帶三相不平衡負載的能強等優良的綜合性能。
  15. Bated on the dynamic and static data from different heavy - oil reservoirs in liaohe oil - field, starting front the theory of percolation flow through porous media, stress analysis and micro tropic reservoir features, and in combination with consideration of sand production regularity, the sand production mechanism and major factors to control sand production are discussed for heavy - oil reservoirs, and the technical strategy of sand control is proposed

    摘要以遼河油田不同類型稠油油藏的動、態資料為基礎,從多孔介質中理論、分析及儲層微觀特徵等方面入手,結合油層出砂規律,對稠油油藏出砂機理及影響出砂程度的主要因素進行了分析,提出了稠油油藏防砂技術對策。
  16. Considering cavitation and the coupling of solid and fluid, the structure responses caused by combination of underwater explosion and hydrostatic pressure are simulated through modeling shell structure and its outer water

    通過對殼結構及外部水域進行建模,並考慮固耦合及空泡因素,模擬出結構受水下爆炸載荷及水壓聯合作用下的響
  17. The er fluid we developed is quite suitable for research purpose, and it has a static yield stress of 3kpa at 3. 3kv / mm

    這種電在3 . 3kv mm的外加電場強度下,態剪切屈服可達3kpa 。
  18. And at the same time, considering the situation of varying oil viscosity and oil - flow inertia, this paper analyzes flowing properties of fluid in bearing clearance, which provide theory reference for more reasonable design and application of hydrostatic bearing in the equilibrium of axial force, and then carries out computer simulation a nd experiment verifying

    同時,在考慮油液粘度變化和油慣性的情況下,分析了支承縫隙中動特性,並進行計算機模擬和實驗驗證,這為壓支承在軸向平衡中的進一步合理設計和用提供了理論參考。
  19. In this paper, a shear mode mr elastomer damper was designed and manufactured ; the pulse responses of a one - disk cantilever rotor supported on the mr elastomer damper were experimented in the stationary state ; and the mechanical properties of the system were analyzed

    設計製作了一種剪切式磁變彈性阻尼器,試驗研究了支承在該阻尼器上的單盤懸臂轉子系統在止狀態下的脈沖激振響,並分析了系統的學特性。
  20. A new method for static yield stress mesurement of mr fluids

    一種平板式磁態屈服測試方法
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