重心壓應力 的英文怎麼說
中文拼音 [zhòngxīnyāyīnglì]
重心壓應力
英文
centroidal compressive stress- 重 : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
- 壓 : 壓構詞成分。
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
- 力 : 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...
- 重心 : 1 (事情的中心或主要部分) heart; core; focus; key point 2 [物理學] centre of gravity; barycentre...
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My personality stable with a high degree of responsibility, and i can work independently, i have strong adaptability to changes and can make a harmonious relationship with others, i have a high sense of humor ; i have a good command in english speaking, listening writing reading and can deal with daily conversations in japanese
本人個性穩重、熱愛教育事業,具有高度責任感,細心,能夠獨立工作、應變能力強,幽默真誠,能很好的融洽同學之間的關系;有進取心且抗壓能力強,英語方面具有一定的讀說聽說能力,口語流利;另外能應付基本的日語對話。In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively
本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的測量,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。As hbn program has promoted, there are several factors contributing to healthy lifestyle : like exercise regularly, healthy eating, weight control, reducing cholesterol level, handling stress, quit smoking, and watch the alcohol, etc
正如健康數字項目所倡導的,健康的生活方式包括:適當的運動,良好的飲食習慣,控制體重,降低膽固醇水平,能應對各方面壓力的良好的心理調節能力,戒煙,飲酒適度等等。The results showed, 1. there are 17 strategies in adolescent coping with stress, i. e., involuntary and impulsive action, problem solving, seeking social support, humor, wishful thinking, denial, self - blame, distraction, avoidance / numbing, tolerance / acceptance, keep calmness, suppression, self - relaxing, recognition, intrusive thoughts, emotional puzzle, physiologic arousal. 2
結果發現: 1 、當前青少年壓力應對主要有17種方式:非自主與沖動行為、問題解決與行動、尋求社會支持、幽默、幻想、否認、自責、分心、迴避麻木、容忍接受、保持平靜、壓抑、自我放鬆、認知重建、侵入性思想、情緒困擾、生理喚起。Factor 3 job attitude ( ja ) : the main point is that civil servant can be active and positive to respond problem in the work, and bring up some suggestion to help making decision for superior
此外,自我效能感作為社會認知理論的核心概念,是認知中介的重要組成部份,應該會對壓力感產生影響。The following results of recent researches were presented on measuring stiffness of a wide range of soils such as clay, sand and gravel, characterizing anisotropic properties of soil induced by external loading, measuring stiffness of base and subgrade materials in the pavement, determining soil properties in a centrifuge model during the flight of a centrifuge, and understanding wave propagation in granular materials under micro - gravity environment with this technique
木文報道了壓電陶瓷傳感器應用於粘土、砂和礫石等不同種類土的研究成果,對應力導致土體各向異性的研究,對路基和地基土的力學特性檢測,在離心模型試驗中的應用,以及在微重力環境下的粒狀材料中波的傳播特性的研究等。To directly estimate the life of this kind of motor, and to design a orbit curve with the longest life at same condition, this paper gives theoretic research of the equal contact stress inner curve of radial piston motor. the research is divided into four parts : 1 ) taken all forces the piston endured into consideration when radial piston motor working, the force between roller ( or ball ) and orbit is deduced. the simple style of the press expression can be confirmed by ignoring minor influence factors after analysis all factors that will influence this press
靜壓傳動技術在各類工程機械中得到廣泛的應用,對作為其核心部件的徑向柱塞式低速大扭矩液壓馬達的研究顯得十分重要,為了能直接對這種馬達進行壽命估計,並能在相同工況下求得壽命最長的軌道曲線,本文從設計等接觸應力內曲線的角度對這類馬達作探討性的研究,主要從以下四個方面進行: ( 1 )綜合考慮徑向柱塞式液壓馬達工作時的各種主要受力狀況,對柱塞組件進行受力分析,並通過模擬分析影響軌道和滾動體間正壓力的各個因素,得到正壓力的簡化表達式。The paper lays a strong emphasis on discussing the realization of the autocontrol of raster scanning of the scanner in x - y dimension, the " tapping " of the cantilever of the tappingmode afm by a direct digital synthesizer. then a method of parallel communication between dsp and pc in epp mode is given. finally, the author discussed the digital pid closed loop control of the scanner in z - direction, the automatic approaching of the tip using step - motor, and also some electro - magnetic interferences
論文首先簡單介紹了掃描探針顯微鏡的發展、分類、工作原理及應用;接著對ti公司的tms320vc5402dsp的特點及外圍擴展作了簡單介紹;然後分章節重點講述了利用vc5402dsp實現掃描探針顯微鏡的核心部件? ?壓電陶瓷管的x向和y向的光柵掃描控制;藉助直接數字集成器( dds )實現輕敲式原子力顯微鏡的微懸臂的「輕敲」 ; vc5402dsp的主機介面( hpi )與pc機在增強并行口( epp )模式下的通信;論文最後還介紹了掃描管z向的數字pid閉環控制,步進電機的自動進針,並對實際出現的一些電磁干擾問題作了討論。With the retrospection of the developing course of the bored pile foundation and combining with my practical experience, the paper expatiates upon the design principle of percent of fit of the stone - fill grouted concrete and the main factors of the influence strength target, and the final pile technique introduction of the hollow pile of the stone - fill grouted concrete and the precast prestressed concrete ; baesd on the theory of slurry hydraulics, empirical calculation formulas of the radis and height of diffuse slurry are deduced in this paper ; it analyzes the test pile materials of the hollow pile foundation, such as luoyang yi river bridge and dangwang jian river bridge ; the new technique of the hollow pile, which provides the generalization and application with base materials, expounds its feasibilities, adaptabilities and economy
本文通過綜合分析國內外鉆孔樁基礎的發展歷程及研究現狀,重點討論了填石壓漿混凝土空心樁、預制預應力混凝土空心樁的成樁工藝、填石壓漿混凝土的配合比設計原理及影響強度指標的主要因素;根據泥漿水力學原理,導得了考慮各種因素的水泥漿液在預填骨料中的流動影響半徑和上升高度;結合河南省洛陽伊河大橋、黨灣澗河大橋工程實踐,討論了填石壓漿混凝土空心樁基礎的質量檢測方法及標準;並在此基礎上,深入分析了樁側、樁端承載能力,提出了填石壓漿混凝土空心樁的設計計算理論和方法。最後,論證了空心樁新工藝的可行性、適應性、經濟性,為大力推廣應用空心樁新技術提供了可靠的技術資料。My idea of a good friend is the person who gives me the better of the two choices, holds my hand when i am scared, helps me fight off those who try to take advantage of me, thinks of me at times when i am not there, reminds me of what i have forgotten, helps me put the past behind me but understands when i need to hold on to it a little longer, stays with me so that i have confidence, goes out of their way to make time for me, helps me clear up my mistakes, helps me deal with pressure from others, helps me become a better person, and most importantly loves me
我理想的朋友是這樣一個人:他/她會幫助我作出最佳的選擇;在我害怕時,他/她會緊握我的手;他/她會幫我趕開那些想占我便宜的人;我不在身邊時,他/她會想念我;他/她會提醒我忘掉了什麼;他/她會幫助我把過去拋在腦后;當我需要回味時,他/她也能理解我,陪伴我,讓我信心百倍;他/她還會不厭其煩為我擠出時間糾正錯誤,幫我應對外來的壓力,幫助我有所作為,最重要的是,愛我沒商量!The retaining wall reclining on the slight slope built on soft foundation is usually used in protecting the shore of river, the contradiction between the lack of impartiality in stress of the base and the small stress allowed by the foundation as well as the lack of stabilization of the breast wall is a hard nut to crack in the engineering. in the paper, a tenon - base is added under the base of the retaining wall, on the study of the choice of the parameters and formulas used in calculation and the research of theory used in calculation, method used to deal with the load, etc, the writer gives a way to crack the nut mentioned above paragraphs and presents a qualitative and quantitative analysis about them, such as the equivalent inner friction - angle ( d ) and the passive press of the clay ( ep ), etc. in the end of the paper, using modern optimization method, a design of the retaining wall reclining on the slight slope built on soft foundation is done, the result is economical, and accords with the fact
軟基上的仰斜式擋土墻在水利工程河道護岸中經常遇到,仰斜式擋土墻基底偏心應力較大和軟基土地基容許承載力偏小的矛盾以及擋土墻抗滑穩定不足是工程中難以解決的難題。本文在對仰斜式擋土墻設計中有關計算參數的選擇、公式的選用應該注意的問題進行了研究,對河道護岸軟基礎上的仰斜式擋土墻採用凸榫基礎處理的方法,就其計算理論、設計驗算中各荷載的具體處理方法進行了較為細致的研究,提出了解決軟基礎上的水工仰斜式擋土墻難以解決的難題的方法,並對有水情況下粘土等效內摩擦角_ d 、凸榫被動土壓力e _ p等在計算中的取值提出了定性和定量的分析。最後利用現代優化方法對軟基礎上的水工仰斜式擋土墻進行了結構優化設計,得出了符合實際的結果,與其它重力式擋土墻形式進行比較,取得了明顯的經濟效益。Melatonin has a simple chemical structure, but it plays a decisive role in bodily functions, monitoring the work of the glands and organs, and regulating hormone production. it also controls over - stimulation of the sympathetic nerves to lower blood pressure and slow the heart rate, thus reducing the impact on the heart. it also alleviates mental stress, improves sleep, adjusts the body s biological clock, relieves jet lag, strengthens immunity, increases the body s resistance to germs and viruses, and prevents cancer and senile dementia
褪黑激素的化學結構非常簡單,但是在人體內卻具有舉足輕重的作用:它監視著體內各種腺體器官的運作,指揮各種荷爾蒙維持在正常的濃度它可以抑制人體交感神經的興奮性,使得血壓下降心跳速率減慢降低心臟負擔它能夠減輕精神壓力提高睡眠品質調節生物時鐘緩解時差效應,而且具有加強免疫功能抵抗細菌病毒及預防癌癥老年癡呆癥等多種疾病的功效。In this paper, plasma - enhanced chemical vapor deposition ( pecvd ) technique was used to deposit the dielectric p - sio2 films and p - sion films on the silicon wafer under the conditions of low temperature and low pressure with teos organic sourse. this research was focused on the evaluation of film growth, hardness, stress, resistance and refractive index, by changing the experimental parameters including rf power, substrate temperature, chamber pressure, and the flow rates of teos, o2, n2. the results showed that the p - sio2 film was smooth, dense, and structurally amorphous
實驗結果顯示,用pecvd法淀積的p - sio _ 2膜是一表面平坦且緻密的非晶質結構的薄膜,與矽片襯底之間有良好的附著性;在中心條件時生長速率可控制在2600a / min左右;在基板溫度410時有最大的硬度可達16gpa ;其應力為壓縮應力,可達- 75mpa ;薄膜的臨界荷重為46 . 5un 。Is the application of ec necessary because ec can improve the competitive ability ? by the evolutionary game theory and strategy management theory, we reach the conclusion that, the firms, which is driven by two fold forces, including the interior force of improving competitive ability and the exterior force of " being eliminated if ec is not employed "
文章用進化博弈理論和企業戰略管理理論,探討了企業在提高核心競爭力的內在動力和由於環境改變使企業面臨「若不應用電子商務則必然被淘汰」的外部壓力雙重驅動下,應用電子商務成為每個企業的必然選擇。" thou art crushed under this seven years weight of misery, " replied hester, fervently resolved to buoy him up with her own energy
「你已經給這長達七年的不幸的重荷壓垮了, 」海絲特應著,熱心地用自己的精力給他鼓勁。Then, it analyzed can and canopen application layer, including : real - time characteristics of can, the core of canopen - od, all kinds of communication objects, the allocation of cob - id and some device profiles. and xcanopen was brought forward for implementing of canopen in power line communication. then, on the reference design platform of freescale - agilent, xcanopen ’ s two standard software interfaces, bottom driver and function of communication and network management based on canopen were implemented
本文詳細分析了低壓電力線通信數據機的結構與工作原理;分析了can協議及其可以保證數據實時可靠傳輸的實質,剖析了應用層協議canopen ,著重解釋了canopen的核心?對象字典od 、各類通訊對象、標識符的分配,以及一些設備子協議( deviceprofiles ) ,並提出了在電力線通信上實現canopen的解決方案? xcanopen框架;在基於freescale - agilent電力線通信的參考設計平臺上實現了xcanopen的兩個標準軟體介面,電力線通信底層驅動軟體的設計以及基於canopen協議棧的節點通信和網路管理功能,達到了使用canopen協議來實現電力線通信的標準化模塊的目的;最後,在canopen數據通信的實時調度上做了進一步的改進探索研究。The inelastic finite element solution considering both large - deflection and plastic extension is used to analyze eccentric - loading columns in this paper. the stability capacity of different slendemess ration and eccentricity are calculated, the residual stresses and their influence upon the steel eccentric - loading columns are emphasizedly discussed, at the same time ten steel columns were achieved
本文採用大變形和塑性擴展的兩重非線性有限元方法進行偏心受壓柱子的全過程模擬,分析不同的長細比、不同的偏心率情況下柱子的穩定性能,並著重討論殘余應力對柱子承載能力的影響,完成了10根試件的試驗。It is an important factor that influences the whole carrying capacity of member in technical code of cold - formed thin - wall steel structures gb50018 - 2002, the calculation of stability carrying capacity of axially loaded compression members does not consider the influence of the residual stress
它是影響構件整體穩定承載力的重要因素。我國冷彎薄壁型鋼結構技術規范gb50018 ? 2002在計算軸心受壓構件的穩定承載力時,沒有直接考慮殘余應力的影響。It is mental stress as a new factor to affect adolescent ' s lung function that is caused by lack of physical exercise, exacerbation of learning burden and psychological stress besides height, weight and age
除身高、體重、年齡、性別等,缺乏必要的體育鍛煉、學習壓力過大以及由此引起的心理應激等是影響肺功能不可忽視的因素。This speciality has great effect on the amount of creep, unloading proportion of core concrete and stress path of steel tube, and so on
這一特性對鋼管高強混凝土軸壓構件的徐變值大小以及徐變過程中核心混凝土的卸載比例、鋼管最終的應力路徑等有重大的影響。分享友人