外展應力試驗 的英文怎麼說
中文拼音 [wàizhǎnyīnglìshìyàn]
外展應力試驗
英文
abduction stress test- 外 : Ⅰ名詞1 (外面) outside; external side 2 (外國) foreign country 3 (以外) besides; beyond; in ...
- 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...
- 試 : 名詞(古代占卜用的器具) astrolabe
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
- 試驗 : trial; experiment; test
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Aim for the topic - study of prestressed lightweight concrete platform, from selecting style of the platform, to matching concrete material and admixture, to designing and building the model, to carrying out experiments of temperature field and stress performance, and analysis of finite element, some research work have been done as follows : 1
本文針對「輕質高強預應力混凝土平臺的研究」這一課題,從罐體結構型式的確定,混凝土基本材料及外加劑的選配,模型的設計製作,到模型結構在各種外荷載及溫度荷載作用下的受力性能試驗研究及罐體結構的有限元分析,展開了如下幾個方面的研究: 1The sort, material composite, structure properties and conduction mechanisms of eca ( electrical conductive adhesive ) were discussed in this paper. then three types of ega specimens were designed and made, on which temperature cycles test from - 55 ? to + 125 ? and thermal aging at + 125 ? were carried out. changes of the adhesive strength, eca ' s bulk resistance and contact resistance under the environment stress were summarized and a detailed evaluation on these specimens was given
本文在全面闡述導電膠的分類組成、物理結構、導電機理的基礎上,設計並製作了三批導電膠樣品,通過對樣品進行長時間的- 55 ? ? + 125溫度循環和125高溫存儲試驗,總結了導電膠粘接強度、體電阻和接觸電阻在環境應力下的變化規律,對三類樣品的長期可靠性做出了全面的評價,並結合導電膠電阻率和「穿流閾值」的計算機模擬,給出了提高導電膠可靠性和電導率的建議,介紹了國內外在高電導率高可靠性導電膠研製方面的一些最新進展。This paper unfolds engineering disposition and theoretical research of negative temperature high performance concrete ( nthpc ) with the damage of many factors motivation, the project background based on qing - zang railway engineering, which is one of four - emphasized engineering during the tenth five - plan. due to the difference of environment of construction and service between nthpc and ordinary concrete, and therefore durability of nthpc is required to higher level. at a first, nthpc must avoid frozen damage at early age and possess anti - freezing property at later period, in order to meet engineering practicable application need, and this are two emphasized and difficult problems, as for nthpc ; by means of mechanism analysis about deicing - agent ingredient and anti - freezing at early period, adopting composite technique routine of mineral addition + anti - freezing element + water - reducer4 - air - entraining + anti - erosion of steel component etc, based on orthogonal experimental approach, fd - 1 composite functional admixtu re was manufactured, which has more property and orientation on qing - zang railway
負溫混凝土由於和普通混凝土在施工環境及服役環境上存在的差異,因此表現為比普通混凝土更為較高的耐久性要求;負溫混凝土首先要避免早期的凍害以及具備長期抗凍性能,才能夠滿足工程實際應用的要求,這也是負溫混凝土必須解決的兩大技術關鍵;通過對目前常用防凍劑組分作用機理的分析研究及混凝土早期防凍機理探討,採用礦物外加劑+防凍組分+高效減水劑+引氣+阻銹組分功能復合的技術路線,通過正交試驗設計復配了適應青藏鐵路工程要求的專用多功能復合型外加劑fd - 1 ;並在此基礎上配製不同等級負溫高性能混凝土,開展一系列包括硫酸鹽侵蝕、氯離子滲透、抗凍融循環、收縮及耐磨性等耐久性能研究;通過對fd - 1組分和摻量的調整,優化負溫混凝土在施工特性、力學指標和耐久性三個方面的兼容、協調性。Measured results from in - site loading tests in tannin harbor and from in - door model tests were compared with predictions from the limit equilibrium methods. a method of estimating the bearing capacity for inhomogeneous medium was suggested to meet every case ; 4. according to the results from model tests, the elastoplastic fem were performed to study the procession of the change of the stress and strain in inhomogeneous medium and to simulate the procession of the forming of the failure surface during loading, and the failure mechanism was studied ; 5
4 、結合模型試驗結果,確定出了符合非均質介質規律的彈塑性模式,在此基礎上分別運用二維、三維彈塑性有限元程序,模擬出了外荷載作用過程中非均質介質內部應力、變形以及破壞面的發展過程,分析得出了非均質介質地基的破壞機理; 5 、在港口工程地基設計當中,已經引入了可靠度理論計算分析基礎穩定性。In this paper, the researching and developing situating at home and abroad on aseismic properties of the masonry structures are reviewed. aiming to the defects of the calculated formulas of the aseismatic shear strength of brick walls in the code for seismic design of building ( gb50011 - 2001 ) and the code for design of masonry structures ( gb50003 - 2001 ), through test on brick wall models between the single wall and the wall with flanges, restoring force characteristics, the behavior at failure of the brick masonry wall and the effect of longitudinal wall under cyclic horizontal loading were analyzed the aseismic capacity has increased by 31 % for wall with flanges, the rigidity and deformation of the wall has gone up greatly too. the conclusion that the effect of longitudinal wall should be comprised in the aseismatic formulas was proposed
本文回顧了國內外關于砌體結構抗震性能的研究與發展現狀,針對建築抗震設計規范( gb50011 - 2001 )和砌體結構設計規范( gb50003 - 2001 )中墻體抗震驗算公式中的不足之處,通過單片墻和帶翼緣墻在垂直荷載和水平反復荷載作用下的對比試驗,研究了帶翼緣墻在水平反復荷載作用下的恢復力特性曲線、磚墻破壞特徵以及縱墻的影響等,翼緣墻的存在,主墻抗剪能力可以提高31 ,剛度及變形能力也均有較大提高的結論,墻體驗算公式中應當考慮縱橫墻共同作用的影響。The horizontal swirling flow internal dissipater tunnel being built in gongboxia power station will be the first one reconstructed from a diversion tunnel whose discharge reaches to 1000m vs and water head is more than 100m in china. its scheme ' s argumentation, test research and future apply will have important meanings to the design. research and engineering application of internal dissipation discharge tunnel with swirling flow, will powerfully promote engineering application of this new kind of dissipation mode, which may solve some high velocity problems in high dam construction and provide a engineering example for technological and economical augmentation in a diversion tunnel reconstruction. it is of theoretical and practical importance to promote hydraulic structure researches and development
公伯峽水電站右岸旋流內消能泄洪洞是國內第一個泄量達1000m s 、水頭超過100m ,即將修建的旋流式內消能泄洪洞,其方案的論證與試驗研究以及建成后投入使用,將在國內外旋流式內消能泄洪洞設計、研究與工程應用中具有重要的意義,將有力的推動這一新的消能形式在工程中的應用,從而為解決高壩建設中泄水建築物的高速水流問題與導流洞改建的技術與經濟問題提供工程實例,對推動與發展水工水力學的研究與發展均具有重要的理論與實踐意義。This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory
本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種生物質的頻率因子和活化能參數,進而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,推導、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。Based on the test data of the crc beams taken from some chemical plants, which were mainly corroded by chloride, a calculation model was derived to calculate the ultimate load bearing capacity of such crc beams. then, bp nn model was built up to predict the ultimate load bearing capacity of crc beams. using such nn model to analyze many groups of test data ( under various corrosion cases ), satisfactory results are achieved
基於目前較少開展的實際腐蝕環境下鋼筋混凝土構件受力性能的試驗研究,通過引入受腐蝕混凝土和銹蝕鋼筋的損傷因子導出了受氯離子腐蝕鋼筋混凝土構件極限承載力計算模型;建立了bp神經網路模型對受腐蝕鋼筋混凝土梁承載力進行了預測,通過對多組國外試驗研究結果(不同腐蝕作用情況下)的分析均取得了令人滿意的預測結果,並且隨著試驗資料的積累,預測效果可以得到進一步的改善;因此,本文建立的神經網路模型對受腐蝕鋼筋混凝土構件承載力研究是一種十分有效的方法,具有較好的應用前景。The clue has been seen to knowledge economy, and it is intense with each passing day that the national power is competed, and complying with the trend that education in world was developed, and sets up with student develops the teaching reason for this all the life and reads, and faces the new requirement that the new ? plan to the to ( manuscript is revised in the trial ) ordinary senior middle school course full - time system ? of century put forward. the author uses for reference home and abroad experience, and combines the teaching experience of the reality of local area and many years, methods such as application experimental method, observation law, talk law and investigation law etc
知識經濟已見端倪,國力競爭日趨激烈,順應世界教育發展的潮流,樹立以學生終身發展為本的教學理念,面對新世紀新的《全日制普通高中課程計劃(試驗修訂稿) 》提出的新要求,筆者借鑒國內外經驗,結合本地區的實際和多年的教學經驗,運用實驗法、觀察法、談話法、調查法等方法,在2001年秋季進行研究性學習課題的研究。With the continuously expanding of seismic exploration in the basin, it is carried out to tackle key problem of mountainous seismic technology, based on the old data analysis and exploration experience, through implementing a series of measures including observation system design aimed at the target, fine investigation for surface structure, sampled parameters test, well depth design by selecting rock and bed and other acquisition techniques, a series of more mature exploration technique suited for complex mountainous region has been developed and the break through has been made its quality of data acquired field, providing the strong technique support for petroleum exploration in complex mountainous region
隨著盆地地震勘探的不斷深入,在總結,分析以往資料和勘探經驗的基礎上,在該區進行了山地地震攻關,通過針對目標的觀測系統設計,精細的表層結構調查、科學的採集參數試驗、選巖選層的井深逐點設計及其他相應的採集技術措施,形成了一系列比較成熟的復雜山地勘探技術,在野外採集資料品質方面取得了突破性的進展,為復雜山地的油氣勘探提供了強有力的技術手段。On the basis of investgation on the related literature of electronic speed governor at home and abroad, this proper control parameters are obtained through the experimental research of the pid digital control parameters with the orthogonality method and through the analysis of the speed change of gasoline engine rev. the electronic speed governor designed hereby performs its controlling fuction through programs, the stable rev and static timing rate of which are also set and controlled by software, has, therefore large universality and function flexibility. so for different types of gasoline engines, the obtainment of relevant parameters and the designing of relevant programs suffice to realize the control functions of the electronic speed governor
本文在分析研究國內外有關電子調速器的基礎分析方法及其研究狀況的基礎上,採用pid數字控制,並用正交試驗方法對pid數字控制的控制參數進行試驗研究,得到了合適的控制參數。所設計的電子調速器是靠控制軟體來實現調節和控制功能,穩定轉速、穩定調速率等都可以進行程序設定控制,具有很強的通用性和功能擴展能力。對不同型號的汽油機,只要經試驗取得合適的控制參數,編制出相應的控製程序,就可以使用此電子調速器進行轉速控制。This paper reviewed the modeling and experiments of the transient phenomena involved in the various subsystems of the thermal spraying process at home and abroad, such as : effect of process on droplets behaviors, microstructure, residual stress analysis and spray materials, and based on experimental resuts to discuss the droplets thermal - transfer discipline and effects on coatings properties
摘要從熱噴塗工藝參數對塗層形成的影響、微觀組織及殘余應力分析和噴塗材料等幾方面對國內外熱噴塗塗層形成機理的研究進展進行綜述,重點綜述了工藝參數影響液滴行為的研究,並結合試驗探討了液滴的熱傳輸規律及對塗層最終性能的影響。The emphasis and novelty of this research is to develop a scientific, quantified criterion based on the web hot - working die material selection and application expert system accordance to the invalidation resistance index system to break through the traditional material selection according to experience. the research is based on the results of the national machine industry technique and combing the die applications and intense experience of expert, network techniques, system engineering etc. knowledge. hammer forge dies, pressing forge dies, casting dies or extrusion dies of high melting point metal al, mg, cu and their alloys are largely used
本研製工作的主要工作重點和新穎之處,是在國家機械工業技術發展基金委員會研究成果的基礎上,結合國內外模具行業專家經驗與專著以及作者在模具應用強化等方面的經驗和在專家系統、網路技術、系統工程等方面的知識,力圖打破行業長期按經驗選材的傳統做法嘗試研製出一個以「失效抗力指標體系」思路為依據的科學化、判據量值化的「基於網路的熱作模具材料選擇和應用專家系統」 。Abstract : the principle of the residual stress adjustment using the vibratory stress relief method, its development at home and abroad, its experiment and use in pressure vessel are introduced. the feasibility and prospect for the use of vibratory stress relief method in pressure vessel are also discussed
文摘:介紹了振動時效調整殘余應力的機理、在國內外的發展狀況及振動法在壓力容器上的試驗與應用,並對振動法在壓力容器上應用的可行性與前景進行了論述。As we know, concrete structures in reality are always under various stresses or with microcracks of different width. so in this paper, compressive stress tensile stress and microcracks are introduced into water permeability and carbonation experiment, with the object to study the relationship between those factors and durability indexes. sem xrd and mip methods were also used to study the relevant mechanisms
由於實際工程中的混凝土結構均承受不同類型的荷載和帶有不同寬度的微裂縫,故本文考慮選取外荷載引起的壓應力對普通混凝土滲透性的影響,彎曲應力對砂漿、凈漿碳化深度的的影響以及在帶有裂縫狀態下水泥基材料的滲透和自愈現象開展了部分實驗研究,同時通過對混凝土、砂漿及凈漿系列水泥基試件的碳化和滲透實驗比較,從微觀角度對碳化和滲透、自愈現象的一些機理也做了初步研究。The article combines the european union ’ s ( eu ) foreign policy for the present development, the long historical origin of a integrated europe, and eu ’ s concept of a foreign policy integration, meticulously analyzes the eu ’ s foreign policy for economy, the “ common foreign and security policy ” and the problems which resulted in enlargement of the community during the advance of integration, and based on these, attempts to propose possible strategies and solutions for political, economical, and diplomatic aspects. the article mainly adopts taxonomy analytic method, dynamic analytic method, case - study analytic method, induction analysis and other methods. it enriches and enhances " the new function principle " theory, " policy accord between government " theory, " the international political economy influence ” theory and more, and take these as foundation, explains in theory level that from eu ’ s economical integration to foreign policy integration which it is a inevitable progression pattern of a multi - theory - supported development
文章結合歐盟對外政策的發展現狀,從歐洲一體化的歷史淵源和歐盟對外政策一體化的概念入手,努力剖析了歐盟對外政策中對外經濟政策、共同外交與安全政策和東擴政策在一體化進程中存在的問題,並依此在政治、經濟、外交幾個方面嘗試性的提出了可能的應對措施與辦法,旨在對于歐盟對外政策一體化問題做出基本面的分析,為世界上其他一體化組織的發展、正確認識世界政治經濟格局的變化提供經驗借鑒和理論支持。文章主要採取分類系統分析法、動態分析法、個例分析法、歸納分析等方法,在理論上充實和豐富了「新功能主義」理論、 「政府間政策趨同」理論、 「國際政治經濟影響理論」等,並以此為依託,在理論層面上說明了歐盟由經濟一體化邁向對外政策一體化的發展是一個事物進程多種理論支撐的發展規律。A tentative application of this instrument in a certain copper mine has proved that it can be used effectively in field work
通過在某銅礦區的試驗性應用,證明已具備開展野外實際工作的能力,達到了預期效果。During eight weeks, the experiment of " improving the undergraduates coping " make fourteen students to acquire the skill of coping, reconstruct the cognition through interacting in the group activities and form accepting and supporting atmosphere. that is, reforming malign and immature coping to benign and mature coping in the experiment can improve the ability of coping in all situations. the aim is to discuss whether group counseling is feasible and available for students to improve their coping
本實驗擬通過為期8周的「改善大學生應對方式」的發展性團體心理咨詢,使14名大學生在接納、支持的團體氣氛里,通過團體活動和人際交互作用,嘗試積極的體驗,重建理性的認識,學習相關的應對知識;規劃、改善非良性的、不成熟的應對方式,形成良性的、成熟的應對方式,並運用到團體以外的情景中,從而培養和提高應對能力。First, briefly stated the reliability research developing history and current situation at home and abroad, the reliability test method and developing trends, then statistical analysis method and existing problems, and electrical connector reliability research ' s current situation and existing problems, i second, through analyzing the failure mechanism of electrical connector, and combining with the theory of probability and statistics, set up a reliability statistical model of electrical connector affected upon vibration stress, which is the anti - power law - weibull model, laid a foundation for working out electrical connector reliability test plans and treating electrical connector test data
首先,對國內外可靠性研究的發展歷史和現狀,可靠性試驗的方法和發展趨勢,可靠性統計分析方法和存在的問題,以及航天電連接器可靠性研究的現狀和存在的問題進行了回顧和評述。其次,通過對電連接器進行失效機理的研究分析,結合概率統計理論,建立了電連接器在振動應力作用下的可靠性統計模型,即逆冪律?威布爾模型,為電連接器可靠性試驗方案的制定和試驗數據的統計分析奠定了基礎。分享友人