通氣應力 的英文怎麼說
中文拼音 [tōngqìyīnglì]
通氣應力
英文
breathing stress-
Jiyang depression is a field where nonhydrocarbon is rich. these resources have close relation with the activities of the volcanos. at the same time, the activities of volcanos have deep contact with the activities of the faults. the growth of the faults in jiyang depression is great. by the research of the index number of the faults growth and the other researches, nw direction faults are the most ones in mesozoic, nw and ne and approximately ew directions all exist in cenozoic. the above reflects the whole geotectonic background that sinistral shearing stress field exists in mesozoic, but dextral shearing stress field exists in cenozoic
這些氣藏與火山活動有密切的成生關系,同時火山活動與斷裂活動也有密切的關系。濟陽坳陷內斷裂活動極為發育,通過斷層生長指數等的分析,推斷中生代斷裂以北西向為主,新生代則兼有北西向北東向和近東西向的斷裂,上述斷裂發育特徵反映了該區的大地構造背景,在中生代是左旋的剪切應力場,在新生代則是右旋的剪切應力場。In computation the effect of thermal insulation, elastic modulus, creep degree and autogenous volume change along with age, the progress of pouring by layer, work suspension in summer, the change of air temperature, heat preservation, water cooling, and water storage, by stages on temperature field are considered
計算中考慮了混凝土的絕熱溫升、彈性模量、徐變度和自生體積變形隨齡期的變化以及分層澆築、夏季停工、外界氣溫變化、表面保溫、通水冷卻及分期蓄水等因素對壩體溫度應力場的影響。It can be used not only to change the fire precision of the base bleed projectile, but also to improve the effect of reduction drag and expansion range. the calculating model of the secondary expansive pressure of the burning gas is constructed by means of analysis of the experimental resuits, it has been confirmed that the new base bleed unit can be designed, with the secondary expansive principle of the burning gas pressure. the engineering project of a hybrid base - bleed - rocket high - level efficient extended - range projectile is designed, with the secondary expansive principle of the burning gas pressure, the feasibility and the true worth of its engineering applications is validated in theory
本文提出了底排燃氣壓力不隨外部壓力變化,既可改善底部彈射擊精度又可提高減阻效果的二次擴張原理,建立了底排燃氣二次擴張壓力的計算模型,並通過採用二次擴張原理的新型底排裝置與傳統底排裝置的對比試驗,驗證了新型底排裝置結構實現的可行性;完成了基於底排燃氣二次擴張高效增程原理的底排?火箭復合高效增程彈方案設計及其有關計算,從理論上驗證了其工程應用的可行性和實際價值。Insulating and sheathing materials of electric and optical cables - common test methods - part 4 - 1 : methods specific to polyethylene and polypropylene compounds - resistance to environmental stress cracking - measurement of the melt flow index - carbon black and or mineral filler content measurement in polyethylene by direct combustion - measurement of carbon black content by thermogravimetric analysis - assessment of carbon black dispersion in polyethylene using a microscope
電纜絕緣護套材料的通用試驗方法.第4部分:聚乙烯和聚丙烯專用方法.第1節:耐環境應力破裂性.在空氣中熱老化后的卷繞試驗.熔體流動指數測量.聚乙烯中炭黑和This paper aims at the characteristics of thermal response of lpg vesse1 under high temperatue, conjoining the project of " study on transportation safety early - wdring system of lpg dangerous goods " supported by transportation departinen of china and the project of " mechanism study and numerical simulation of the explosion of lpg vessel " supported by science foundation of hubei province. the interdisciplinary research has been done among temperature field distribution of lpg vessel under flame surroundings, intensity calculation, crack propagation predication and mechanism of explosive accident, etc. three parts are analyzed and discussed
本文針對高溫環境下液化氣壓力容器的熱響應特性問題,結合交通部重點科技項目「液化氣體類危險品運輸安全預警系統的研究」和湖北省自然科學基金項目「液化氣容器爆炸機理研究及數值模擬」 ,對在火焰包圍下的液化氣壓力容器的溫度場分佈、強度計算、裂紋擴展預測以及爆炸事故機理等方面開展了多學科的交叉研究。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應的分類,然後通過對通用流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體推進劑空間推進系統的靜態數學模型;根據靜態計算所得到的數據,應用統計回歸法和應力分析法分別建立推力室、推進劑、推進劑貯箱、氣體、氣瓶以及導管和活門等的質量模型,從而建立相應的質量模型;結合液體推進劑空間推進系統特點,對液體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,建立了液體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。The investigation in the field was combined with research indoors. by classifying tectonic sequence, confirming corresponding prototype basin, analyzing paleo - tectonic stress fields in different periods, plotting correlative tectonic map based on 297 explore wells, and analyzing the traits of the remaining depressions producing hydrocarbon and their migration rules in the ordovician, the author studied the basement of the basin ; the fault system of the basin ; the tectonic - sedimentary evolution of the basin and its circumference areas ; the prototype basin and corresponding dynamics background ; the paleo - tectonic patte rn and its evolution in the layers of producing gas in different periods of ordovician ; the superposition relationship among the different period basins formed by different stress fields ; the reformation of the basin and the formation, redistribution and final emplacement of the gas pools
採用野外地質調查與室內綜合研究相結合,通過構造層序的劃分及其相應盆地原型的確定、不同期次古構造應力場的分析、以297口探井數據為基礎的相關構造圖件的編制、奧陶系殘餘生烴坳陷及其遷移規律研究等的綜合分析,開展了盆地基底以及盆地斷裂系統、盆地及鄰區構造與沉積演化、盆地原型及其形成的動力學背景、奧陶系產氣層不同時期的古構造格局及其演化、不同期次構造應力場形成的不同世代盆地之間的疊置關系以及盆地改造與天然氣藏的形成、重新分配和最終就位諸方面的研究。Test method for relative resistance to vented water - tree growth in solid dielectric insulating materials
固體介電絕緣材料對應通氣孔水柱上升的電阻力測試方法The paper mainly discussed the reasons of stress from liquid ammonia pressure vessel causing crack through examing data and experimental results and analysing relevant referential documents and materials, taking 1200 ammonia vessel ' s crack and leaking in a certain fertilization company as an example : there existed remaining welding, stress in the equipment ; there existed a stress decaying surrounding, i. e., moisture 0. 2 %, and temperature > - 5 with o2 or co2 inside ; the higher the intensity of raw materials, more possible it was to have stress decaying crack
摘要以某化肥公司1200氨冷器殼體開裂泄漏的失效分析為例,通過對檢驗數據和結果及有關文獻資料的分析研究,探究了液氨介質壓力容器產生應力腐蝕裂紋的原因:設備中存在較高的焊接殘余應力;液氨介質具備應力腐蝕環境,即含水量0 . 2 % ,且有空氣( o2或co2 )污染(或摻入) ,使用溫度高於零下5 ;母材強度越高,應力腐蝕裂紋產生的傾向就越大。A general solution of the thermodynamic energy of systems of gas, magnetic dielectric, dielectric, and of battery was found by working from thermodynamics first law ' s different forms in different matter systems, by using equation of state and thermal capacity in different thermodynamics system and by solving thermodynamic energy differential equation, thus provide a method of studying other qualities in thermodynamics system
摘要通過熱力學第一定律在不同物質系統中的不同形式,利用不同熱力學系統相應的物態方程及熱容量,以及通過求解熱力學能微分方程,一般性地求解了氣體系統、磁介質系統、電介質系統、電池系統的熱力學能,為研究其他熱力學系統的特性提供了一種方法。Common test methods for insulating and sheathing materials of electric cables. part 4 : methods specific to polyethylene and polypropylene compounds. section one : resistance to environmental stress cracking - wrapping test after thermal ageing in air - measurement of the melt flow index - carbon black and or mineral filler content measurement in pe
電纜絕緣和護套材料通用試驗方法第4部分:聚乙烯和聚丙烯混合料專用試驗方法第1節:耐環境應力開裂試驗-空氣熱老化后的卷繞試驗-熔體指數測量方法-聚乙烯中碳黑和或礦物質填料含量的測量方法The simulation results show that the power factor and efficiency of lim are much lower than that of rotary induction motor due to end effect and big air gap of lim. end effect force has a great influence on the thrust of lim. the performance of lim can be improved with the proper secondary structure, small air gap, big goodness factor or heavy load
結果表明:受邊端效應及大氣隙影響,直線感應電機功率因數及效率較低;運行狀態下的邊端效應力對電機推力有較大影響;設計電機時選用合適的次級材料、減小氣隙、增大品質因數、增加負載都可提升電機的輸出性能,通過設計有效的控制演算法可使電機在額定滑差下具有較高的運行效率。In harsh climate region, the air temperature changes greatly between winter and summer. rcc dam are usually placed without bulk and longitudinal joints, and left free in winter. thus, it ' s unique thermal stress time - space distribution rule increases the difficulty of temperature control and crack control of rcc dam
由於嚴寒地區冬季氣候寒冷、年內氣溫變化幅度大;碾壓混凝土壩採取通倉澆築、不分縱縫以及越冬長間歇式的施工方法,使其具有獨特的溫度應力時空分佈規律,更增加了碾壓混凝土壩溫控與防裂難度。In this text we make a diagnosis of linear and nonlinear response of quasi - quadrennial ( qq ) and quasi - biennial ( qb ) component of nino3. 4 index by using reanalyzed ncep / ncar data of sst, wind stress ( pseudo stress ) field, ssp, then have a time and spatial analysis of wind stress field by using mssa, and finally find the importance and contrast the effect of different wind stress field forcing the sea so as to find the cause ofenso irregularity
本文首先分析海表溫度( sst ) 、風應力場、海表面氣壓( slp )等ncep ncar再分析的月距平場對于nino3 . 4指數的準4a ( qq )和準2a ( qb )振蕩成分的線性和非線性響應,接著用mssa (多通道奇異譜分析)對風應力場進行時空特徵分析,最後用一個熱帶太平洋動力海洋模式研究具有不同振蕩性質的風應力場對海洋強迫作用的重要性及差異,尋找enso不規則性的原因。A model of steam distributing valve of torpedo piston engine was built and analyzed under complex boundary conditions of displacement and thermal transfer using a commercially available finite element code marc / mentat320. the temperature field and stress field were present. according to the result, maximum deformation place was predicted, and thermal stress was major factor causing failure
本論文應用i - deas軟體mastermodeler構造了配氣閥體的三維實體模型,並在marc環境下進行網格自動生成、邊界條件施加以及閥體的有限元分析,通過計算得到了閥體在所加復雜工況下的位移場、應力場和溫度場分佈,並根據分析結果對其結構提出改進意見。By taking runyang bridge over the yangtze river as example, effects of some factors such as the static wind action, wind speed spatial non - uniformity, and the cable ' s wind load on the, aerodynamic stability of the bridge are investigated analytically
以潤揚長江大橋為例,通過分析揭示了靜風效應、風速空間分佈的非均勻性以及纜索風荷載等因素對大跨徑懸索橋空氣動力穩定性的影響。The paper introduces the basic principle of the inducement type ventilation in the province of aerodynamics : disturbed characteristic of high - speed cascade can effectively leads quiescent air around it and drive air flow, compares and analyzes the traditional ventilation type and inducement ventilation type applied in underground garage in the facets of airflow organization, practicability and economy, coming to the conclusion that the inducement type ventilation is applied to the underground garage in the facets of economy, practicality and high efficiency
摘要介紹了誘導式通風利用空氣動力學中高速噴流的擾動特性,能夠有效地誘導周圍靜止的空氣,帶動空氣流通的基本工作原理,就傳統通風方式和誘導通風方式,在地下車庫應用中的氣流組織、實用性、經濟性等幾個方面做了比較,分析認為,誘導式通風因其經濟、適用、高效的特性適合在地下車庫應用。The turbulent characteristics of high - velocity sediment - laden and aerated flow are more other than the clear water flow of single - phase and current of low speed. in a special circulating system with high velocity flow, some flow parameters such as boundary shear stress and pulsation pressure are measured. an investigation is made on the turbulent characteristics of the three - phase flow of water, air and sand
本文針對高速含沙摻氣水流的運動規律有別于低速水流及清水單相流,在自己研製的高速渾水循環系統中,通過對高速含沙摻氣水流壁面剪切應力和脈動壓強等參數的量測,分析了水沙氣三相流的紊動特性,探索了泥沙對固壁的磨蝕機理及減蝕措施,其主要內容包括以下幾個方面: 1Airway resistance ( raw ) tends to increase and inspiratory resistance ( ri ) in 7d increases significantly. compliance of lung ( cl ) has not a prominent change. 2. the alveolocapillary permeability increases during simulated weightlessness and can recover a bit as simulated weightlessness goes on
3秒率oevm x呼氣峰流速oef卜最大通氣量p )比正常水平降低,其中以7dfevm和zidmvv變化顯著;氣道阻力份刪)增大,以7d吸氣阻力仰變化顯著:肺順應性k1 )變化不大。Further inestigation is warranted regarding use of high frequency oscillatory entilation, airway pressure release entilation, and surfactant to assist pediatric intensiists in application of these therapies
在這類療法應用中,高頻通氣、壓力釋放通氣、表面活性劑協助重癥小兒等的使用(價值)被進一步的研究所證實。分享友人