element of safety 中文意思是什麼
element of safety
解釋
事故防止系統元件-
Utilizing dynamical finite element method based on equipollence linearity model, found the dynamical stress field and the acceleration field, make the foundation for calculated the safety factor of the dam slope with finite element method
運用有限元法分析壩體穩定的基本原理，根據得到的壩體動應力分佈場計算了壩體的動力穩定安全系數。 -
Utilizing pseudo - static method theory, calculated the safety factor for the dam slope, give, a primary conclusion. utilizing static finite element method based on duncan - chang hyperhola modelfound the static stress riele, make the foundation for hynamical finite element analysis. utilizing dynamical finite element method based on equipollence linearity model, found the dynamical stress field and the acceleration field, make the foundation for calculated the safety factor of the dam slop with finite element method
運用擬靜力法的基本原理，對滿拉堆石壩的壩坡穩定進行了分析研究，得出了初步結論；採用duncan - chang雙曲線模型，用計算土石壩應力及變形的靜力有限元程序，對滿拉堆石壩進行了靜力有限元分析，得到了壩體的靜應力場分佈，為動力有限元計算打下基礎。 -
As a practical application, the safety situation of jiujiang dike under the 1998 pluvial condition of once a hundred years in yangtze river has been evaluated by the reliability method from the point view of the seepage stability in terms of probability analysis and two dimensional saturated seepage finite element analysis combining with the mechanism of seepage burst in jiujiang dike summarized in the thesis
通過滲流有限元和滲流可靠性分析論證了1998長江流域特大洪水災害中九江市防護大堤發生的嚴重潰口破壞的滲流破壞機理。分析、比較得出結論：堤防下游坡腳的出逸比降接近和超過臨界比降，在1998年長江百年一遇的洪水條件下九江大堤潰口斷面的抗滲可靠性僅在55左右的非常低水平。 -
In this paper, finite element method ( fem ) was used to study the biomechanical responses and injury mechanism of pedestrian lower extremities in traffic accidents. the fem model was used also to predict the risk of bone fracture of the lower extremities. the results from this study can forms a background knowledge to improve the safety performance of passenger car bumper system for protection of pedestrian lower extremities in traffic collisions
為了減少行人在碰撞事故中下肢的損傷風險，本文採用有限元分析的方法，研究了行人下肢的碰撞生物力學響應和損傷機理，並模擬分析預測了下肢的骨折風險，研究結果可為改進車輛保險杠系統的安全性能提供依據。 -
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的有限域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，而且在實驗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考；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度，並在實驗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 。 -
Construct a three dimensional space finite element analysis model for the steel mix joint part of road bridge surface, study the distribution complexion of strain field in the steel combine part, and judge its endurance and safety capabilities
對公路橋面板鋼混結合部位，建立三維空間有限元分析模型，研究鋼混結合部位的應力場的分佈情況，評判該部位的受力性能及安全性能。 -
( 3 ) the paper uses a kind of space grid frame design software ( sfcad 2000 for windows ) to have a checking computation of the grid frame to solve the problem that element of the grid frame yield easily in sliding construction for the purpose of insuring the quality and safety in construction
重慶大學碩士學位論文中文摘要（ 3 ）針對逐條積累滑移法施工容易造成網架桿件失穩的問題，引用空間網架設計軟體（ sfcadzoooforwindows ）對網架滑移各工況的內力進行驗算。確保施工的質量和安全。 -
A combined neural network and genetic algorithm with solving stability safety of homogeneous slope was proposed and the finite element method is applied to analysis the progressive failure process of the slope and the maximum equilibrium theory, requests out stability safety of homogeneous slope with the smooth arc radius of difference with the difference below the level coordinate of arc peak, utilizing the neural network algorithm to establish slidng the nonlinear mapping relationship between level coordinate of arc radious and arc peak, being adapted the neural network algorithm to look for along the minimal stability safety of homogeneous slope and corresponding arc radious and arc peak
提出了求解邊坡穩定性安全系數的神經網路與遺傳演算法。該方法採用有限元分析和極限平衡理論，求出不同的滑弧半徑和不同的弧頂水平坐標下的邊坡穩定性安全系數，利用神經網路演算法建立滑弧半徑和弧頂水平坐標與安全系數之間的非線性映射關系，採用遺傳演算法搜索邊坡的最小穩定性安全系數及相應的滑弧半徑和滑弧中心坐標。 -
The sea, smooth as crystal, was now and then disturbed by the leaping of fish, which were pursued by some unseen enemy and sought for safety in another element ; while on the extreme verge of the horizon might be seen the fishermen s boats, white and graceful as the sea - gull, or the merchant vessels bound for corsica or spain
海面光滑得象玻璃一樣，只是偶爾被一條為了躲避敵人的追捕跳出海面來尋求安全的魚暫時擾亂了它的寧靜從地平線遠望，那些船象海鷗一樣白，那樣姿態優美，可以看見回到馬地古去的漁艇和開赴科西嘉或西班牙的商船。 -
According to the geological data which was gained by exploration investigation, establishing a geological model which can reflect rock mass characteristics ; with analyzing the internal and exterior factors synthetically, the deformation and possible failure mechanism and mode of the cut slopes was confirmed which combines with stereoic projection and other techniques ; the stabilities of the 14 high slopes are estimated synthetically by applicable design codes and guidelines. with the estimate result and some other analysis methods, the rock mass mechanical parameters of slope are identified ; as a results, 14 high slopes fall into 4 categories based on rockmass characteristics and discontinuities. the stability and deformation of some typical slopes was analyzed with distinct element method by udec ; the safety factor of some dangerous slopes are calculated by rigid limiting equilibrium method for comparison
首先著重研究影響邊坡穩定性的內在因素，主要是通過地質勘探、測量、現場觀測等手段取得研究區地質體的基礎地質資料，建立起能夠反映地質體結構特徵的地質模型;隨后綜合分析潛在的內外部影響因素，並結合赤平投影對邊坡可能的失穩模式或破壞機製作出判斷;運用已有巖體質量分類方法對沿線14個高陡邊坡穩定性進行初步的評價，並結合試驗研究、經驗判斷、工程類比等手段確定了坡體的巖體力學參數;根據穩定性初步評價結果將研究區14個高陡邊坡按開挖方式分為4大類，並利用離散元程序udec對各類典型高陡邊坡進行了穩定性計算分析;對潛在危險邊坡利用剛體極限平衡法求出了不同工況下的安全系數。 -
Associated with a project of the planned xuefengshan tunnel with 7. 6 km long during the construction of shaoyang to huaihua expressway in hunan province of shanghai to ruili national trunk highway, this paper firstly makes an introduction of the frequently - used analysis & computation methods for tunnel supporting structure. then, based on the analysis of the basic theory about the interaction mechanism of surrounding rock and support structure, a spatial computation model is made, a coupling numerical computation method with 3 - d elastic - plastic finite element and infinite element is proposed, and a comprehensive analysis has been made to the effects of the overall stability and safety of the surrounding rocks of different characteristics, different classes and under different construction methods. and thus the problem of 3 - d infinite region to which applying the general finite ca n ' t do has been resolved
6公里的雪峰山隧道工程，首先介紹了隧道支護結構的常用分析計算方法；然後通過對隧道施工過程中，洞室穩定性與支護結構相互作用機理的深入分析，建立了隧道施工過程的空間計算模型，提出了採用三維彈塑性有限元-無限元耦合的數值計算方法，綜合分析了隧道在不同圍巖特性和圍巖類別條件下，以及不同施工開挖方案等對隧道圍巖整體穩定和安全性的影響，從而解決了通用有限元方法難以解決的隧道三維無限域問題；其可充分發揮有限元法在分析非線性方面的有效性和成熟性，以及無限元法在分析處理無限域和半無限域方面的精確性和簡便性，為隧道施工過程中圍巖的穩定性分析開辟了一條新的途徑。 -
As one of the most important necessary part of high speed locomotive, the bogie frame ' s property has significant impact on running quality and safety of locomotive. on the basis of making detailed finite element analysis and accessment of it ' s mechanic property, the design theory of frame has been probed. such work is of momentous significance in pushing forward the development of high speed train in china
轉向架構架是高速機車最關鍵的部件之一，其性能對機車的走行品質和安全性具有重要影響，對構架結構進行詳細的有限元分析並對其力學性能進行評定，在此基礎上對構架的設計計算理論進行探索，對推動我國高速鐵路的發展具有重要意義。 -
Automobile safety falls into two categories, active safety and passive safety. body of research into the structure of anti - collision vehicle passive safety is the main element of the study, which directly affects the target of the vehicle passive safety
本文基於塑性變形和溫度變化對金屬材料的性能影響的金屬微觀結構理論，運用試驗手段研究在拉延和塗裝烤漆過程中典型材料的揚氏模量和屈服應力的變化。 -
Nuclear deterrence remains an essential element of our defense policy. the credibility, safety, reliability, and effectiveness of the nation s nuclear deterrent must remain unquestioned. but it must be adapted to 21st century deterrence needs
至今中國的經濟大多仍在舊式經濟理論下運行，其觀念就像是說，當時加煤如果能夠加得更快，那鐵達尼號便不致沉沒。 -
Through applying above theories and methods, safety monitoring model of temporary shiplock and ship lift dam sections in three - gorge project is studied. varying rule of dam displacement during construction period is analyzed by viscoelastic finite element, and safety monitoring model of dam displacement and stress during construction period is founded. rationality and validity of the model is validated
（ 4 ）應用前述的理論和方法，對三峽工程臨時船閘壩段、升船機壩段的施工期安全監控模型進行了研究；對施工期壩體位移變化規律進行了粘彈性有限元分析，同時建立了大壩施工期位移和應力的安全監控模型，據此對模型的合理性和有效性進行了驗證。 -
Preliminary steps to enable hazard analysis ? general ? clause 7. 3. 1 the hazard analysis element of a fsms is arguably the most important since any failure at this stage can compromise food safety across all processes
Fsms的危害分析是最重要的一個要素，因為如果這個環節失效將影響到所有過程的食品安全。 -
On definitions of safety factor of slope stability analysis with finite element method
關于有限元邊坡穩定性分析中安全系數的定義問題 -
But many problem remain should be solved in these aspects, such as research on lateral resistant system, the cladding material and steel frame connections, etc. to the lateral resistant system, one of the imperative problems in the steel residential building, we expect to research a new earthquake resistance element with great stiffness in the usual day ( for the needing of safety and comfort in the place where is windy and earthquake occurred frequently ) ; low stiffness in strong motion earthquake ( for the flexibility of residential building in the strong motion earthquake ) and absorbing seismic energy
從技術角度講，如何使鋼結構適應住宅建築的特點，滿足住宅產業化發展的需要，還有許多問題有待進一步研究，如抗側力體系、維護體系及其樑柱的節點問題等等。針對鋼結構住宅中急需解決的抗側力體系問題，本文研究了一種正常使用情況下剛度大（滿足建築物在風載及常遇地震下人們舒適性和安全感的要求） ，強震時剛度低（保證強震時建築具有柔性的特點） ，而且可吸收地震能量的新型抗震單元。 -
Glass fiber reinforced polyester resin enclosure, it is the structure of increasing safety, built - in element of isolating explosion. these elements of isolating esplosion have nore advantage, such as compact structure, reliable quality, smaller volume, hige capacity of turning on / off, amd long life. fine appearance, erosion - proof, welding spark _ proof, resisting static electricity, waterproof, good thermal stability, etc. user may select the arrangement of element. may use cables to connect it
玻璃纖維增強不飽合聚脂樹脂外殼，增安型結構，內裝隔爆型元件.隔爆型元件具有結構緊湊，可靠性好，體積小，通斷能力強，壽命長等優點.外形美觀，耐腐蝕，耐沖擊，防電焊火花，抗靜電，防水及熱穩定性好.元件排列組合可按用戶要求隨意組合.所有的堅固件都採用不銹鋼螺釘.電纜布線 -
The paper points out the factor of safety by means of finite element method, the strength reduction method and limit equilibrium method decreases in turn. according to analysis of the strength reduction method, the stability of the cutting slope is less than the stability of nature slope. according to the results by the finite element method, the factor of safety calculated by axial loading stress - strain model is less than the factor of safety by lateral unloading stress - strain model
表明有限元法、強度折減法、極限平衡法得出的安全系數依次降低；依據強度折減法分析，相同條件下，挖方邊坡的安全系數較自然邊坡的安全系數小；依據有限元西安理工大學碩士學位論文法分析，軸向加荷應力路徑模型確定的安全系數較圍壓卸荷應力路徑模型確定的安全系數小。
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