比率的研究 的英文怎麼說
中文拼音 [bǐlǜdeyánjiū]
比率的研究
英文
ratio study- 比 : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
- 率 : 率名詞(比值) rate; ratio; proportion
- 的 : 4次方是 The fourth power of 2 is direction
- 研 : 研同 「硯」
- 究 : Ⅰ動詞(仔細推求; 追查) study carefully; go into; investigate Ⅱ副詞[書面語] (到底; 究竟) actually; really; after all
- 比率 : ratio; proportion; rate比率計 ratio meter
- 研究 : 1. (探求) study; research 2. (考慮或商討) consider; discuss; deliberate
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In the demonstration section of the paper, aiming at the main plantation crops and variety in shanxi and each region in shanxi, some research has been done, including determining and analyzing scale advantage, efficiency advantage and aggregated advantage of the main grain crops ( including wheat, corn, millet, soja, jowar and tubers ) and main cash crops ( including oil - bearing crops, cotton, fiber crops, beetroots, tobacco, medicinal materials, vegetables and melon, fruit ) in shanxi, determining and analyzing scale advantage, efficiency advantage, benefit advantage and aggregated advantage of the main plantation variety ( including wheat, corn, millet, soja, jowar, cotton, beetroots, rapeseed, flue - cured tobacco and apple ) in shanxi, determining and analyzing the advantage in each region in shanxi. the research shows that some crops and variety in shanxi own advantage, they are millet, jowar, fruit ( apple ), beetroots and medicinal materials. meanwhile, the main crops regions owning advantage and combination of advantage crops in each region in shanxi have been gained
在文章的實證研究部分,本文以山西省及各地區的主要種植業作物和品種為研究對象,做了以下幾方面的研究:測定和分析了山西省主要的糧食作物(小麥、玉米、穀子、大豆、高粱和薯類)和主要經濟作物(油料、棉花、麻類、甜菜、煙葉、藥材、蔬菜、瓜類和水果)的規模優勢、效率優勢和綜合優勢並與全國主產區進行了比較;對山西省主要的種植業品種(小麥、玉米、穀子、大豆、高梁、棉花、油菜籽、甜菜、烤煙和蘋果)的規模優勢、效率優勢、效益優勢和綜合優勢進行了測定和分析;測定和分析了山西省主要種植業作物在各地區的競爭優勢,研究表明山西省具有比較優勢的作物主要有穀子、高梁、水果(蘋果) 、甜菜和藥材,同時得出山西省主要作物優勢產區和各地區優勢作物組合。In recent years, research on learning activities has prevailed the world and found its way in some front subjects, however much of its production has not been introduced to the pedagogic study and practice. problems stand out in that there is low learning efficiency in study of students at large and the pattern of the course design, teaching approach, and education evaluation method are comparatively demoded with the coming of the information age, historic changes in both life style and learning style are highlighted
近幾年來,對人類學習活動的研究雖然已經發展成為當今世界多學科交叉的前沿課題,但多數研究成果尚未引入教育理論與實踐中來,教育行政部門、學校和教師幾乎沒有考慮如何通過培養來提高學生的學習能力,致使目前學習方式與課程、教學、教育評價模式都比較落後,學生學習效率普遍比較低,無法適應時代的要求,這種狀況在我國表現得很突出。First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in ug software. the elastic contact problem is analyzed in finite element method ( fem ) and is used to the parameters " distribution and contact stress of the joint are obtained on the base of ansys code. with the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high / low cycle complex load is proposed
本文介紹了微動損傷的機理和微動疲勞壽命的研究方法;利用ug軟體對燕尾榫聯接結構創建了參數化實體模型;基於ansys軟體平臺求解彈性接觸問題,獲得了榫聯接結構接觸應力及接觸狀態量的分佈;在已有微動疲勞壽命預測模型的基礎上,引入載荷頻率影響因子,對低周、高低周復合載荷作用下的燕尾榫聯接結構進行了微動疲勞壽命的預測,與試驗結果對比表明採用本文提出的方法預測榫聯接結構的微動疲勞壽命是有效的。By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent
最後,本文還對絮凝動力學和絮體結構進行了研究,在前人研究的基礎上,針對高分子絮凝黃河泥沙,對絮凝過程作了一些符合試驗條件的假設,建立了顆粒碰撞頻率表達式,應用了顆粒數量平衡方程,從而建立了絮凝過程的動力學生長模型,模型計算結果與試驗數據對比表明,二者趨勢一致,在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程;對絮體結構的研究中,應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察,將絮體分為絮粒、絮團和絮網三個不同的生長階段,通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體,建立了絮體結構模型,計算得到的模型絮體分形維數基本與試驗中的實際絮體相符,在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。This thesis focuses on middleware - based load balancing supported by corba, and has made the following contributions : ( 1 ) based on the previous research, we give a method using resource utilization and harmonic mean performance to quantify the load of each node in the heterogeneous environment, which makes the loads comparable
本文的主要研究內容就是基於corba中間件的負載均衡,具體的研究工作有以下幾點:探討了系統負載的衡量問題,借鑒前人的研究成果,採用以資源利用率和節點的調和性能平均值來綜合衡量系統負載的方法,量化了異構系統中各節點的性能,使得負載具有可比性。Then, the paper compares the characteristics of pegged exchange rate regime, free float exchange rate regime, and the regimes intervenient from the aspect of trading, policies, economic development, etc. the paper studies the effects of exchange rate regimes on macroeconomic in the different de jure and de facto classifications of regimes ; analyses factors affecting the selection of exchange rate regimes, and emphasizes on the capital mobility factor
文章概括了匯率制度研究的不同視角並以此為基礎選定了本文的研究角度,然後從貿易、政策、經濟發展等角度比較了固定匯率制度和浮動匯率制度的特點,並對介於兩者之間的各種匯率制度的特徵進行了比較。接著,從匯率制度名義分類法和事實分類法等角度研究了各種匯率制度對經濟績效的影響。In this chapter, i have reviewed most of all perspectives on which previous works about the main issue in detailed, for few works concerned it have been published. the previous works can be divided into 5 categories : how mnes or fies to make the decision about total quantity of investment and financing funds and the structure of those funds from every channel ; the capital cost, capital structure, cooperate value of mnes ; how fluctuation of, or the institutes of exchange rate effect financing activity of mnes ; the govern structure, control power distribution between all precipitants in a fie ; lec research on the subject
第一章文獻綜述:因為國內尚少這類研究,故比較全面的綜述國內外了現有成果中關於一國(地區)內外商投資融資的總量、構成及變動的研究;跨國公司內部的資本成本和資本結構(融資結構)及公司價值的研究;匯率波動對跨國公司的財務、融資行為的影響;外資企業的治理結構、所有權優勢及控制權分佈;第三世界國家及我國對跨國公司融資的研究。The important meaning in which this direction studied has lain in establishing the connection between the material science of concrete and civil engineering, analyse the strength in terms of material microcosmic or the mesoscopic, have important meaning to understanding, know the essential law of the strength of concrete. this text divides six chapters altogether. chapter one reviewed the pore structure in nowadays domestic and international research current situation, including the concrete examines research, research of the pore structure model and the research current situations of pore structure and strength relation of the pore method, have introduced some most important achievements of structure research of pore ; chapter two narrated much yardstick of the material mesoscopic structure of concrete and principle of examining pore technology of material of concrete, and the commonly used sign parameter in discussedding the pore and material pore of quito of cement and analyse, have explained that the influence factor of mip to the result of study of pore, has pointed out the limitation in mip in the pore structure ; analyse porosity and strength relation development course of model emphatically, and has carried on comparative analysis to the existing model, has pointed out the weak point of the original model ; on the basis of " ing integrate synthetically ", propose concrete pore structure compound body model and pore physical model of systemlex body ; chapter five carried on the corresponding test data to compares to the model parameter appearing in model of chapter four with and analyses, have received k value of the characteristic of strength of matrices of reflecting according to the method to return to analysis, and calculate the influence produced on the strength of concrete in revision that can probed into the content of cement, elastic mould and surface energy, exactness of the inspection model ; chapter six is the conclusion, according to studying the survey this text to some research conclusions of the pore structure and making corresponding prospect to the structure development of pore
第一章回顧了孔結構在當今國內外的研究現狀,包括混凝土測孔方法的研究、孔結構模型的研究及孔結構與強度關系的研究現狀,介紹了孔結構研究方面的一些最重要的成果;第二章敘述了混凝土材料細觀結構的多尺度性及混凝土材料測孔技術的原理,並討論了水泥基多孔材料孔隙分析中常用的表徵參數,也說明了壓汞法測孔對研究結果的影響因素,指出了壓汞法在孔結構研究中的局限性;第三章是著重分析了孔隙率與強度關系模型的發展歷程,並對已有的模型進行了比較分析,指出了原有模型的不足之處;第四章在「綜合集成」的基礎上,提出了混凝土孔結構復合體模型和孔系統的物理模型,並模擬了該模型下由各單體並聯形成的復合體的斷裂過程,最後根據所建模型編制了相應的計算程序,可根據輸入的孔徑分佈與水泥含量等參數,實現混凝土理論強度的計算;第五章對第四章模型中出現的模型參數進行了相應的試驗數據對比分析,根據回歸分析的方法得到了反映基體強度特徵的k值,並從理論上探討了水泥含量、彈性模量和表面能的修正對混凝土強度計算產生的影響,檢驗模型的正確性;第六章是結論與展望,根據研究綜述了本文對孔結構的一些研究結論並對孔結構發展作了相應的展望。At linear stage, the theoretical growth rate for the rt instability in cylindrical and spherical geometries was enhanced ( or reduced ) due to the decrease ( or increase ) in the perturbation wavelength during an implosion ( or explosion ). even in the absence of an acceleration the perturbation could grow in the convergent geometries. the amplitude growth rate was proportional to the cube of the convergent ratio in spherical geometry and to the square of the convergent ratio in cylindrical geometry
在線性階段,已有的研究表明:一方面,在內爆(或外爆)過程中擾動波長變短(或變長) ,使得不穩定性的增長率變大(或變小) ;另一方面,即使不存在界面加速度,界面運動仍然可能導致擾動幅度的增加,柱幾何中擾動幅度的變化速率正比于界面收縮比的平方,球幾何中擾動幅度的變化速率正比于界面收縮比的三次方,並且擾動幅度的變化方式(增加或減少)只與初始時刻擾動幅度的增長速率(正或負)有關,而與界面的運動方向(向內或向外)無關。In the first chapter, the high power microwave device development process was reviewed, the physical mechanisms underlying superradiance phenomenon based on cherenkov radiation expounded and the research activities in this field, both in and out of china, summarized
首先簡述了高功率微波器件的發展歷程和切倫柯夫超輻射機理,比較詳細介紹了國內外在這一領域的研究狀況。On the research of etf, because the development of etf in foreign country becomes mature, it is mainly about the positive analysis of etf ’ s efficiency and application, such as salomon smith barney ( 2002 ) ’ s research on etf ’ s liquidity and discount / premium price using snap method, edwin j. elton ’ s comparative analysis on etf ’ s tracking error, parkd and switzer ( 1995 ) 、 lu and marsden ( 2000 ) ’ s positive research on etf ’ s price efficiency. in our country,
在etf的研究上,國外由於etf的發展比較成熟,相關的研究主要側重於對etf的運作效率及其應用進行實證分析,如salomonsmithbarney ( 2002 )採用快照式研究對etf的流動性和折/溢價問題進行了研究, edwinj . elton等對etf的跟蹤誤差進行了比較分析, park和switzer ( 1995 ) 、 lu和marsden ( 2000 )對etf的定價效率進行了實證檢驗。Follow as joining the wto and developing of finance market, china ’ s financial institution will need to upgrade the ability of quantitatively measuring and managing the credit risk urgently. the author hopes that this paper ’ s research on the structural models of credit risk can give some consultation to chinese financial institution to defend and manage the credit risk. so this paper deeply reviews the method of modeling the structural model of credit risk, than does an empirical study in china based on the leland - toft models, it is a
因此,本文對信用風險結構模型的建模方法進行了深入的考察,並將leland - toft模型應用於我國的實證研究,進行了有益的探索,本文的研究成果和創新工作主要表現在以下三個方面:第一,本文比較全面系統的闡述了merton模型, longstaff - schwartz模型和leland - toft模型三個最具代表性的信用風險結構模型的構建思路,對這三個模型的區別和特點進行了深入的考察,並給出各模型計算預期違約率的數學公式和方法。The modern technology give a chance for the pattern of transmitting knowledge with network, the course based on network have opened up it ' s way in china, our pursuer paid more attention to the mode, but in america, pursuer have studied the more width aspect, thereinto the investigation and design of the information in the course based on network is very important, for the design of the information decide the pattern how the student receive the information, which will effect the way of knowledge understanding and memory, and the way is related to the study pattern, so the design of the information in the course based on network is very important to the efficiency and effect. so the core of the paper is the investigation and design of the information in the course. i have the entropy from the information science as the analyse tool to analyse the information, these work tell us the efficient pattern to transmit information, based on the result, i design the net page, of course, study theory and the character of the net itself are also the factors i employ for design a good net page. then, links and navigation is constituted for students adapt to the course based on network
當今技術的發展給知識以網路為媒介來傳播的學習方式帶來前所未有的機遇,網路課程在國內迅速開展起來,但是國內研究者的注意力主要集中在對網路課程模式的探索上,放眼國外,他們的研究觸角已經涉及到網路課程比較細致的方面,尤其是對網路課程信息的研究構成了國外網路課程研究中的比較重要的一個方面,而網路課程中信息的設計是重要的,因為信息的組織設計是為了接受者能對信息進行有效的信息加工,信息的呈現模式影響著學習者對知識的理解和記憶方式,進而決定了學習者的學習模式,因此網路信息的設計在網路課程傳遞的效率和效果中就佔有很重要的位置。基於這個觀念,本文把網路信息的組織設計作為研究的重點,引入了信息科學作為研究的主要工具對網路中的信息作以量化分析研究,主要應用了信息科學中信息熵的公式進行推導,得到學習內容信息組織的基本模式,並充分利用網路自身特性和學習理論對知識信息進行細致的設計,此外還對鏈接和導航信息進行了設計,在網路課程的適應性方面作出了努力,把交互信息與輔助學習信息的分析設計與應用和對網路頁面信息的總體調節優化作為主體信息設計部分的補充,最終形成了網路信息組織設計的方案,力求創設一個能夠有效傳遞知識信息,減少網路自身弊病,並帶有一定適應性的網路學習環境,也使更多的網路課程的設計者關注網路信息這個因素。Using diethanolamine as aminating agent and glacial acetic acid as neutralizing agent, aminated epoxy acrylic cationic resin was prepared. the effect of technology of aminated epoxy acrylic resin on properties of eletrodeposition was studied by conductivity meter and electrophoresis apparatus. it was shown that, conductivity firstly decreased, and then increased with aminating temperature increase. in contrast with putting polyacrylic resin into thin acetic acid solution, the more compact film could be achieved by neutralizing polyacylic resin with glacial acetic acid and then add it into water. when neutralizing temperature was enhanced, the speed of electrodepsidon was found to increase, and the film was also more compact. increasing the dn leads to enhanced conductivity and smaller particle size. when dn equaled to 80, the smoothest film could be achieved
以二乙醇胺為胺化劑、冰醋酸為中和劑,合成了胺化環氧丙烯酸陽離子樹脂.採用電泳儀和電導率儀,研究了胺化環氧丙烯酸樹脂合成工藝對陰極電泳塗料電沉積性的影響.結果表明,隨著胺化溫度的增加,電泳液電導率先下降後上升.將冰醋酸加入樹脂中中和,後用水稀釋,比樹脂在醋酸稀溶液中中和,電沉積性能更好.電沉積速率隨著中和溫度的上升而增加,電沉積膜緻密性相應增加.中和度( dn )愈高,電泳液電導率愈大,粒徑越小,而塗膜外觀在中和度為80時達到最佳This article points out that in china, the drought is aggravating gradually, agriculture proportion is decreasing slowly, arable area per capita, irrigation area and weight of diffusion area of new quality maize seed shows slow growth. it is difficult to improve maize technical efficiency
對技術效率的影響因素的研究結果表明,全國的旱災趨于加重,農業比重正在緩慢下降,人均耕地面積、灌溉和新品種應用的增長不快,而且從分佈上來看多對玉米主產區不利,未來玉米技術效率提高的形勢嚴峻。Finally, the two types of transaction value are researched. the part of researching stock m & a analyses the principles, methods and models of exchange ratio with m & a practice
在對換股並購的交易價格? ?換股比率的研究中,比較分析了確定換股比率的不同方法,總結了我國確定換股比率的實踐,並結合實際案例探索適合我國的模型。The research on the incentive mechanism, whose difficulty and stress focuses on the design of the compensation mechanism, includes the proportion of the salary, bonus, stock option and selection of the target of firm performance, etc. because of the flaws in the marked mechanism and corporate governance in our country, we need think more over, such as the object of the applied, stock option and the internal & external environments in the design of the soe operator ' s annual salary system
從國外在該領域的研究成果來看,目前經營者年薪制設計的難點和重點集中在報酬結構的設計,即工資、獎金、期權收入的設計及比例、經營者業績考核指標的選擇、激勵強度的實證分析和信息揭示效率的研究等方面。我國由於在市場競爭機制、公司內部法人治理結構、法律環境完善等方面存在缺陷,使得國有企業經營者的報酬設計除了上述各方面外,還須對經營者年薪制的實施對象、期權設計、內外環境進行分析。Research on the attacking success average of chinese men basketball team in the 28 olympic games
對第28屆奧運會比賽中國男籃進攻成功率的研究Experiments results show that the modified bp arithmetic not only has shorted study time, high efficiency, but also meet with the error goal, improve the generalization capability. so it can averted from getting into local minimum in some degree and achieve global optimization
通過對bp改進模型的比較的研究及實驗證明:改進的bp演算法縮短了學習時間、提高了學習效率,不僅滿足了誤差目標的要求,而且提高了網路的泛化能力,在一定程度上避免了學習中的局部極小問題,實現了全局優化。Research on the specific power in the miniature thermoacoustic cooler
微型熱聲製冷機體積比功率的研究分享友人