相變前沿 的英文怎麼說
中文拼音 [xiāngbiànqiányán]
相變前沿
英文
transition front-
The study is intended to focus on examination of the ten kinds of crimes that are considered as being nation - wide prevalent and scnous. by conducting a survey over the criminological theories and in close combination with practice, this article presents a brief introduction about the concepts, types, evolution, and features concerning the crimes, elaborates their current situation, macroscopically reveals the causes of their emergence, development and variation, and put forward some tit - for - tat preventive strategies and countcrmeasurcs
本文從各種刑事犯罪中把當前我國的十種突出刑事犯罪專門抽出來進行研究，在學習運用理論的同時緊密結合工作實踐，簡要介紹了當前我國突出刑事犯罪的概念、類型、沿革、特點等相關內容，闡述了當前我國突出刑事犯罪的現狀，從宏觀上揭示了其產生以及發展變化的原因，提出了針對性較強的預防和治理對策。As an application of this fem preprocessing system, the simulation on the welding process of missile ’ s oil box was performed, in which the effects of the welding sequences of four web plates and welds on each web plate are primarily analyzed. the simulation results show that the deformations under varied welding sequences are almost the same. downward deflection deformation is obtained along the weld longitudinal direction in the structure as well as upward deflection deformation along the weld traverse direction
對于某型號導彈油箱結構焊接過程的數值模擬計算，主要考察了每塊立板上各段焊縫焊接順序的調整、四塊立板之間不同的焊接順序以及焊接起始端的選擇對結構焊后變形的影響規律，模擬結果表明:壁板在各種焊接順序下的整體變形規律基本相似，即焊後壁板沿焊縫縱向發生了向下的撓曲變形，中部向下變形量最大;沿焊縫橫向發生了向上的撓曲變形，壁板兩端部變形量較大，且壁板前端變形大於壁板後端。In today s world, traditional norms, values and order are changing with unprecedented speed and on a scale never before imagined. in the middle is marubeni s globe - spanning network with a vast number of people demanding products and services that deliver real value. amid the ongoing shift to global standards and far - reaching changes in telecommunications, marubeni is opening new business frontiers that touch the lives of people everywhere
丸紅株式會社擁有覆蓋全球的網路和巨大的消費人群，要求提供貨真價實的產品和服務，在面對具有全球標準和深遠變革意義影響的電信方面，丸紅正在開拓與全世界每個角落人們生活息息相關的新前沿業務。We found the " forward stimulated raman scattering " will be excited if the pulse length is greater than plasma wave length. the " forward stimulation raman scattering " decreases the phase velocity and the amplitude of the wake wave which will lead to the reduction of maximum kinetic energy of the electrons trapped
結論是：當脈沖長度接近等離子體波長時，稀薄等離子體將發生「前向受激raman散射」 ，它使脈沖后沿拉長，導致尾流場的相速度變小，以至於被尾流場「捕獲」的電子最大動能大大下降。On the survey of the problems of historic towns and the research of related theories and practice in both inland and overseas ， through the analysis of the study and practice of zouma protection and development ， the thesi s aims to find out the idea and the ways of protection and development for historic towns in china there are three parts in the thesis the first part of the thesis is the research of the history, the worthiness and existing problems of zouma after briefly introducing the history of zouma ， the author analyzes the vicissitude of zouma from three points of view of economy, society and culture the author then comprehensively expatiates the worthiness of towns and architecture ， the history and culture and economy of zouma in the third section ， combining with the existing problems of zouma confronting with the urbanization process ， the author presents the imminency for zouma protection and development the second part of the thesis is the theory research and the strategy research the author analyzes the theories and methods of both inland and overseas ， and summarizes their commonness and existing insufficiency, which provides reference for the practical protection work of zouma ； on the base of the above ， the author discusses the strategic value of
本論文基於對當前國內外古鎮保護相關理論與實踐的研究思考以及當今城鎮建設中傳統古鎮所面臨的困境和問題，結合重慶走馬古鎮保護與發展研究課題的實踐工作和成果，以歷史古鎮保護為核心，從物質形態、社會和經濟三個方面對適合於走馬古鎮保護與發展的有關理論和工作方法進行了研究總結，力圖探求出一條適合於走馬古鎮保護與發展的道路，以期對當今國內的歷史城鎮保護工作提供參考。論文共分三部分：第一部分為走馬的歷史沿革與變遷、歷史價值及現狀問題研究。首先對走馬鎮的歷史沿革加以簡述，並從經濟地位、社會形態和文化意識三個方面詳盡分析了走馬鎮的歷史發展變遷，探討了走馬鎮的歷史價值及現狀問題形成的歷史根源。Due to the complexity of the structure and control of cycloconverter - type three - phase hf link inverter for soft - switching based on phase - shift - controlled full - bridge mode, a simple and optimized vvvf control strategy is proposed. this control strategy includes : produced pwm by space voltage vector ( svm ) and equivalent carrier frequency fe = 1 / te are introduced into the pdm control of the cycloconverter ; softened equivalent pwm wave is generated at the notches of hf voltage pulses ; the harmonious control between regulating pulse width by phase - shifted angle and regulating voltage of equivalent pwm is to minimize the harmonics content of output voltage of the inverter
西安理工大學博士學位論文針對這種前級移相全橋軟開關周波變流型三相高頻鏈逆變器結構和控制的復雜性，提出了一種實現簡單而整體優化的vvvf控制策略:將空間電壓矢量產生p姍的方法svm和等效載波頻率fe = 1 / te引入到周波變流器的pdm控制;按高頻電壓脈沖前後沿軟化等效p翎波;用移相調節高頻脈沖寬度和等效p姍調壓協調控制逆變器輸出電壓，在滿足輸出電壓條件下使諧波最小。The writer mainly uses the financial ratio analytical method and the most popular approaches in determining the international banking efficiency ? the efficient frontier approaches, in which this paper choose one of the non - parameter approaches, data envelopment analysis ( dea ), to evaluate and analyze the above four banks ’ changes in efficiency before and after mergers during 1999 - 2004, and it also makes an omni - directional comparison from many angles, with quantitative and qualitative analysis
通過綜合運用財務比率分析方法和國際銀行業效率分析中比較流行的前沿分析方法中的非參數分析方法? ?數據包絡分析法（ dea ）對上述四大銀行在1999 - 2004年間銀行並購效率的變化情況進行了全方位、多角度、動靜態相結合的定量和定性比較分析。It represents the innovations of research methods and is the result of penetrating between law and ecomomics
它代表法學和經濟學研究方法的變革，代表法學和經濟學相互交叉滲透的前沿學科和綜合學科的重大新成就。Because to calculate the shadow prices of the agriculture production factors give the feasible methods to help government use economic lever to effectively dispose the agriculture production factors, so it is significant in theory and in practice. 2. approaches to use the interrelated index to compare the history trends, so we can recognize the situation about the scarce agriculture production factors, to use the principle logical to analyze the supply - demand mechanism of the main agriculture production factors in china, to use stochastic frontier production function and marginal productivity theory to calculate the shadow prices of the production factors, to use drc index to assess international competitive of the china main agriculture products
本文的主要研究方法為：在分析中國主要生產要素的稀缺度變化時，進行同類指標的歷史變化比較研究，從而認識主要農業生產要素稀缺性變化的趨勢與規律；在分析中國主要生產要素的供需機制時，進行相關概念為基礎的理論邏輯分析，建立供需機制決定的理論模型；在測算農業生產要素的價格時，使用邊際生產力理論和隨機前沿生產函數方法；在評價中國主要農產品的國際競爭力時，使用國內資源成本系數方法。By means of the method of filtered convolution, we process the nearly 15 years ' ( 1986 - 2000 ) observational data of the cross - fault short level at tianma station of fujian and draw the deformation features of the relative movement of both sides of the fault before mid - strong earthquakes in fujian and the coastal areas
摘要應用褶積濾波的方法對福建天馬跨斷層短水準觀測點近15年（ 1986 ~ 2000年）的觀測資料進行了計算、處理和分析，歸納出了福建及其沿海地區中強震發生前該斷層兩盤的相對運動變化特徵。The condition of water pressure acting on the both sides of cement - soil retaining wall is researched by computing the seepage field around the wall. it is illustrated that the coefficient of water pressure, which isn ' t constant along the height, is affected seriously by some factors, e. g., the distribution and relative hydraulic permeability of the soil beside the wall, the hydraulic permeability of its foundation, and the buried depth of the impervious layer. as a whole, the lateral pressure acting on the wall based on seepage is always smaller than that without regard to seepage in the non - excavated zone. moreover, the pressure based on seepage is greater than that without regard to seepage in the excavated zone if the coefficient of passive pressure is smaller than 1. 176. this case is of great advantage to the stability of the wall
通過計算水泥土擋土墻周圍的滲流場，研究了墻側水壓力的變化規律.結果表明：水壓力系數沿高程並非常數，且受到墻側土層分佈及其相對透水性、墻基土的透水性和下臥不透水層埋深等因素的嚴重影響.總體來說，考慮滲流時墻后的側壓力總小於不考慮滲流時的相應值，且當墻前的被動土壓力系數較小時，考慮滲流時該側的側壓力則大於不考慮滲流時的相應值，因此，這種情況有利於擋土墻的穩定Huge bridges have long interspace span, many binding point and complex structure, it involves many fields such as architecture, mechanics, communications, model identification, data fusion and error analysis, it is a popular research field in the world today, there still have many subjects waiting for us to resolve
橋梁空間結構巨大，約束點多，結構變形復雜，對於它的健康監測涉及到建築學、力學、通信、數據融合、模態識別、誤差分析等多學科、多領域的知識，具有相當大的難度，是涉及多學科、多領域的前沿科學，該領域中還有許多問題值得我們去研究和探討。分享友人