限度考驗 的英文怎麼說

中文拼音 [xiànkǎoyàn]
限度考驗 英文
testing the limit
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ動詞1 (考試; 考問) examine; give [take] an examination test or quiz 2 (檢查) check; inspect3...
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 限度 : limit; limitation; measure; tether
  • 考驗 : test; trial; ordeal
  1. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後,對巖土工程領域至今尚未解決,甚至不為人注意的慮地基變形的地基承載力問題進行了實用化的探討,提出了慮地基變形的地基承載力上程計算方法;對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力界荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平面問題)的界荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程振動試及相關課題的研究工作,本文以截頭錐模型模擬地基,對地基(巖基)承載力的動測法進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單軸抗壓強確定、基於彈塑性模型的有單元法計算、土力學計算及深斤載荷試四方面進行了深入討論;本文作者根據多年現場載荷試的工程實踐,對深井荷試裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具有實用、簡便、穩定及安個等優點。
  2. In the presented method, the point estimations of the model parameters, aandb in the new model, are given by the least square method. the confidence interval for the parameter b is given as well. an engineering illustration is used to compare the result of the presented method with those of amsaa - bise model and duane model

    該模型充分慮了增長過程中的各種可得信息,採用非參數方法得到多臺系統在各同步停止試時刻的可靠,並利用最小二乘法擬合求得該模型中參數a , b的點估計值,以及b的置信
  3. Establishing an human spine dynamic model is an significan event to study spine injured biomechanics of pilot " s ejective injury, parachute opening, landing and study the endurance to impact loading on human spine. in this paper, the huston " s method of kane " s equations is developed so that it can be applied to the multibodysystem including translation between the bodyies. the dynamic model of human spine is provided basing on these theories, while the big movement of spine is considered. the deformation of vetebra is far smaller comparing with the intervetebra disc, so the spine is considered into multibodysystem including rigid bodies ( vetebra ) and the flexible bodies ( intervetebra disc ). the computer solution correspond with the results of the large scale human impact test. the rigid coefficient factors and the damping factor of intervetebra joints are obtained

    人體脊柱動力學模型的建立對研究飛行員彈射救生、傘兵跳傘開傘、著陸等脊柱損傷的生物力學以及研究人體脊柱耐受沖擊載荷的極問題都具有重要意義.首先發展了凱恩方程的休斯頓方法,使其可應用於變形體連接的多體系統,並以此理論為依據建立人體整椎脊柱沖擊動力學模型,此時慮脊柱的大位移運動,每個椎骨的變形相對椎間盤的變形小得多,把脊柱看成由剛體(椎骨)和變形體(椎間盤)組成的多體系統.並以大型真人坐姿沖擊實結果進行了擬合,最後得到腰椎間關節剛系數因子和阻尼系數因子
  4. In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab

    針對無連接和面向連接的各種復雜網路環境下,通信頻帶資源緊張,音頻傳輸帶寬有且復雜多變,而各種音頻數據又日益增多的局面,本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義,在前人不斷工作的基礎上,提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法,兼慮了編碼效率、多碼率和壓縮時延多個方面,並在matlab環境下做了模擬實,對各種音頻信號及多種小波函數做了模擬結果比較,實結果證明該演算法可以在一定計算復雜下可以很好地改進壓縮效果,達到多碼率下實現實時編解碼的過程,在高速dsp晶元等硬體設備支持下,可以有效應用於實際復雜多變信源編碼。
  5. The major drawback of the method is the low spatial resolution of ccd arrays, because of which, the angle between the reference and the object waves must be limited to a few degrees

    目前, ccd低的解析是數字重現技術的最大的制約因素。 ccd低的解析制了物光和參光之間地夾角,使得實要求很高。
  6. Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa

    本文首先介紹並分析了橢圓曲線密碼體制的優點及研究現狀;其次研究了橢圓曲線密碼體制的基本理論;第三,分析了橢圓曲線密碼的安全性並介紹了密鑰共享,加密,數字簽名等橢圓曲線密碼體制;第四,深入研究了特徵為2的有域f _ 2m中的元素在多項式基和最優正規基表示下的乘法運算和乘法逆運算的快速演算法,並對hankerson等人提出的多項式基下的乘法運算的快速演算法作了改進,而且在實的基礎上不僅分析研究了f _ 2m域中元素在多項式基和最優正規基表示下的乘法和乘法逆運算的性能,還對這兩種基表示下的f _ 2m域中元素運算效率的優劣作了比較和研究,所得的結論可供在實現橢圓曲線密碼體制時參;第五,研究了目前流行的計算橢圓曲線標量乘法的快速演算法,同時改進了固定基點梳形法,提高了整個系統的速,並在實的基礎上分析研究了流行演算法的優劣;第六,實現了基於f _ 2m的橢圓曲線密碼體制的演算法庫,在我們的演算法庫中只需稍微改變便能實現基於任意尺寸的f _ 2m上的ecdh , eces , ecdsa等橢圓曲線密碼體制;第七,實現了兩條安全橢圓曲線上的橢圓曲線密碼體制,包括ecdh , eces , ecdsa 。
  7. The main factors including concrete cover and prestressing levels which may have influence on the fire resistance of the simply - supported slabs are examined. the deflection and prestress are presented. from the results of tests, the fire endurance of the simply - supported slabs are given

    在簡支板的火災行為試研究中主要慮了普通鋼筋的保護層厚和預應力兩個因素,主要測試了構件的撓變化及預應力的變化,並由此得出了其耐火極
  8. The curves of the consolidation settlement in soft clay base of flood land are gained, which compare the effect of sand drain. the settlement - time curves in different period are also gained, which increase the height of embankment to 8m, based on the test data of hang - yong highway. furthermore, the consolidation settlement characters of these entity engineering are analyzed, and, the variation rules of the rate of grade and degree of the curves in different period in the whole section, the maximal settlement and the liner regression relations between the rate of grade and degree are calculated

    本文利用大變形固結有元分析程序( lscfea )中的小變形平面固結分析單元( sse2 ) ,結合實體工程項目進行了地基固結沉降的有元計算,分別得出河灘相軟土地基在慮砂井和未慮砂井作用下的固結沉降曲線及杭甬高速公路試段在高堆載情況下的固結沉降曲線;並對以上曲線特徵進行了分析,得出各時間段曲線斜率、角在整個斷面的變化規律,以及沉降最大值與斜率、角變化之間的線性回歸關系。
  9. Based on the pseudo - static experimental results of nine abnormal joints, the damage process of abnormal joint is divided into four stages of original crack, entire crack, ultimate state and failure, the effect of axial force ratio, stirrup ratio and height of column section on seismic behavior of abnormal joint are discussed, the conclusion that anti - shear capacity of abnormal joint are studied in entire crack state by studying the minor core of abnormal joint is made, the calculating formula for anti - shear capacity of abnormal joint is proposed with a view to asymmetry in stirrup yield

    摘要根據9個鋼筋混凝土框架異型節點試件的擬靜力試結果,指出異型節點受力過程分為初裂、通裂、極和破壞4個階段;討論了軸壓比、節點核芯配箍率、柱截面高變化對異型節點抗剪性能的影響;提出應慮節點核芯區箍筋屈服的不均勻性並在通裂狀態下以「小核芯」為分析單元來研究此類節點抗剪承載力的建議;最終給出了異型節點抗剪承載力的計算公式。
  10. Finally, an energy approach is combined with the fem in the simulation of the crack propagation along the fiber / matrix interface in a pull out process. the simulated results are in nice conformity with experimental results. the second part of the research deals with the characterization of the failure process in the fragmentation tests, which is one of the most frequently used test methods in studying thermal mechanical properties of fiber / matrix interfaces

    在這一部分工作的最後,採用能量法與有元法結合起來,模擬纖維抽拔試中裂紋的擴展:針對以往研究工作中的不足之處,在模擬中使用能量釋放率,在表徵界面破壞時,所使用的應力強因子慮了纖維和基體兩種材料的不同屬性,並慮裂紋尖端的單元奇異性,來研究裂紋長和溫對裂紋擴展的影響。
  11. Abstract : in this paper, the kinematically admissible velocity fields are established by using the metal flow patterns based on the experiments, and the configuration dimensions of billet and the curves of load - stroke in precision forging process for spur gear from solid billet are simulated on computer by upper bound method. the results acquired in the simulation are in good agreement with those obtained in the experiments

    文摘:本文利用有實根據的變形流動模式建立動可容速場,利用上法模擬用實心坯料精鍛直齒圓柱齒輪時坯料的外形尺寸變化和力?行程曲線,所得結果與實測定值很一致,可供沖擠精鍛工藝設計參
  12. Before you. immerse yourself in the storybook world of fantasyland, embark on daring exploits in adventureland, explore fascinating futurescapes in tomorrowland or travel back in time to small town america at the turn of the 20th century with a visit to main street, u. s. a. " the golden mickeys " a spectacular musical tribute to your favourite disney films

    迷的奇妙之旅便已展開在幻想世界您可以放懷暢玩與迪士尼朋友一起游歷童話國走進探險世界,盡是令人血脈沸騰的獵奇玩意您的勇氣不妨勇闖明日世界在太空任意飛馳探索充滿無可能的未來世界;或漫步美國小鎮大街在20世紀初的典型美國市鎮遊逛大小商店和餐館。
  13. It achieves full test automation from calibrating, running, failure diagnosis and data processing, which establish it an intelligent test system. in the software, a curve fitting program which based on the system ' s principle which can greatly improve the calibration precision and a safl mathematical statistics program for the test data are made

    在試系統軟體設計上,結合試機原理,採用基於原型函數的動態標定數據曲線擬合提高了載荷標定的精;通過對比各種曲軸試數據的處理方法,同時慮在實際運用中的效果,計算機統計採用了疲勞極統計分析( safl )法。
  14. The elastic constants of bcc li, na and fcc al crystals have been evaluated as functions of pressure and temperature by using a new model together with ab initio electronic structure and total - energy calculations. in the model it is considered that the elastic constants of crystals at a given temperature and pressure can be calculated using a conventional density functional method but modified by a new set lattice constants due to the isobaric volumetric thermal expansion when temperature rise from absolute zero to the given one

    本文對高壓及有立方金屬彈性常數的計算方法進行了研究,建立了一種慮溫效應的物理模型,基於這個模型和從頭算方法,對典型的立方晶系金屬li 、 na 、 al在高壓及有(熔點以下溫)彈性常數進行了計算,取得了與已有實結果較好相符的計算結果。
  15. According to the special shape and operate requirements of the torpedo, the structure and moulding process of the torpedo shell are established, in which the body and overlay block with grooves are moulded by fiber winding, and close moulding respectively with the adhesive by limited stop compression. in the light of the selection of raw material system, composite system with outstanding performance are defined, based on which the mechanical properties are tested., with the overall consideration of structural characters and design demands, the main factors which may have effects on the strength and stability ( including stiffness section dimension, stiffeners space, skin thickness and skin lay angle ) is optimized one by one for the structure design parameters on the base of the fem model of skin, stiffness and layover block by fem. as a result, the prototype with 1 : 1 proportion and its structure and lay optimization design are completed. the moulding technology for polyurethane foam moulding the stiffened shell is obtai ned in terms of the design, manufacture moulding, experimental mould and tooling

    依據在研產品特殊的外型結構和使用要求,確定了該型號水雷復合材料殼體的具體結構形式和復合成型工藝路線,即由纖維纏繞工藝成型主體異形件,閉模成型帶通槽外貼塊,用位加壓工裝實現粘接的工藝路線;通過對原材料體系的篩選,確定了綜合性能較好的復合材料體系,以此為基礎進行了力學性能測試;運用有元方法,建立了蒙皮、筋條和外貼塊的分析模型,綜合慮結構特點和設計要求,對影響結構強與穩定性的主要因素(包括筋截面尺寸、筋間距、蒙皮厚、蒙皮鋪層角)分別進行了結構設計參數的優選,最終完成了復合材料異形耐外壓殼體1 : 1樣件和縮比實件結構及鋪層優化設計;完成了聚氨酯泡沫胎成型內置加筋殼體的成型工藝技術研究;對縮比件進行外壓性能測試,並給出了應力、應變測試結果。
  16. For some time, the conventional wisdom has been that it s best to stick to sax and dom for maximum portability, but experience has convinced me that this is more often than not an overstated consideration

    有些時間,常規方法一直堅持最好使用sax和dom以便最大地提高可移植性,但是經告訴我,這通常只是一個言過其實的慮。
  17. " it ' s a very proud moment as he becomes the first indian to successfully withstand such an extreme endurance test and reach the north pole, " said sherly, who operates an adventure

    雪莉說: 「他成功經受住了這個耐力極,成為第一個抵達北極的印人,這真是令人自豪的時刻。 」
  18. " it ' s a very proud moment as he becomes the first indian to successfully such an extreme endurance test and reach the north pole, " said sherly, who operates an adventure sports club in india with her husband

    雪莉說: 「他成功經受住了這個耐力極,成為第一個抵達北極的印人,這真是令人自豪的時刻。 」
  19. " it ' s a very proud moment as he becomes the first indian to successfully withstand such an extreme endurance test and reach the north pole, " said sherly, who operates an adventure sports club in india with her husband

    雪莉說: 「他成功經受住了這個耐力極,成為第一個抵達北極的印人,這真是令人自豪的時刻。 」雪莉和丈夫巴賈傑在印開了一個冒險運動俱樂部。
  20. Management services - guide to determination of exposure limits, recovery times and relaxation times in work measurement

    管理服務.第5部分:工作量中恢復時間和放鬆時間測定指南
分享友人