比值組合 的英文怎麼說

中文拼音 [zhí]
比值組合 英文
ratio combination
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : Ⅰ名詞1 (由不多的人員組成的單位) group 2 (姓氏) a surname Ⅱ動詞(組織) organize; form Ⅲ量詞(...
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • 比值 : specific value; ratio比值法 ratio method; 比值計 ratio meter; 比值檢波器 ratio detector; 比值控制...
  • 組合 : 1 (組織成為整體) make up; compose; constitute 2 (組織起來的整體) association; combination3 [...
  1. The thesis, somehow, is a summary, which expounds the main contents of traditional portfolio theory ( tpt ) and mpt, also gives a comparison between tpt and mpt ; analyses two aspects of markowitz theory, one is the effects of risk disperses and the demonstration, the other is how to make an optimal portfolio strategy ; researches into capital assets pricing model ( capm ), factor model ( fm ) and arbitrage pricing theory ( apt ) respectively in three parts ; studies another two parts, one is the premise of mpt, which is the efficient market hypothesis ( emh ), the other analyses the behavior finance theory ( bft ) produced in the background of challenging and querying to emt and capm. the thesis finally discusses the researching and applying prospects of mpt in china

    論文對現代資產理論與傳統資產理論分別進行了分析,並對兩者進行了較研究,對馬克維茨的均? ?方差理論從資產風險分散效應和最優資產選擇兩方面進行了重點分析,對資本資產定價模型、因素模型、套利定價理論進行了一定深度的分析和研究,對現代資產理論的前提假設? ?有效市場理論及在對有效市場理論和資本資產定價模型形成挑戰和質疑背景下提出的行為金融理論進行了論述,論文最後分析了現代資產理論在我國的研究及其應用的廣闊前景。
  2. This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims

    對高壓背壓式氣動測量用於小量程線性尺寸測量的靜態特性曲線的理論工作拐點進行了推導,對氣動測量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計,對主噴嘴和測量噴嘴的不同,將影響測量系統靜、動態特性指標的噴嘴參數進行了對實驗和優化設計,並通過實驗驗證了理論推導,從而使氣動測量系統量程的示范圍達到40 m ,靈敏度達到100mv m ,解析度達到0 . 05 m ,測量不確定度小於0 . 2 m ,滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分的要求。
  3. Shanghai xinli battery manufacture co., ltd. to establish in 1994 lately, the precursor is shanghai xinli battery factory lately, the company takes making the alkaline battery alkaline as to predominate the product, various specification, species is basic to cover all serieses of the dry battery, and accept various combination battery of the not standard type of design, to satisfy customer " s demand. xinli battery company lately to have already passed iso - 14000 environment system attestations of iso - 9001 : 2000 international quantity system attestation, the product quantity passes the battery examination center examination of the national light industry bureau and the sgs measurement of the eu ros serieses, the product is qualified. company annually with pass to increase continuously, the extension exports outward and the superior economic specific value service of the underneath brand peony, hongdan, fengdian. etc

    上海新立電池製造有限公司成立於1994年,前身是上海新立電池廠,公司以製造堿性電池alkaline為主導產品,各種規格品種基本涵蓋干電池的所有系列,並承接設計非標準型的各種電池,以滿足客戶的需要。新立公司已通過iso 9001 - 2000國際質量體系認證和iso 14000環境體系認證,產品質量通過國家輕工業局電池檢測中心檢測以及歐盟ros系列的sgs測定,產品格。公司每年以不斷遞增擴大對外出口和旗下品牌牡丹紅丹豐電等的最優經濟服務于廣大國內外客戶,並得到用戶的歡迎。
  4. So we consider five financial indexes includes stock b / p, e / p, current stock size, current stock stru and financial levge by the international tradition, then descriptive statistical test method and cross section statistical test method proved that b / p and current stock size have marked effect on the securities yield besides coefficient b. in the third chapter, the article fut forward a risk factor model, estimates yield sequences of every risk factor by weight regression, and then estimates each risk factor coefficient of different stock by time sequence regression, at last we can reckon the portfolio risk o2p and yield rp which consists n stocks

    國際慣例,文章考慮了股票的凈市價( b p ) ,市盈率倒數( e p ) ,流通規模( size ) ,流通例( stru )和財務杠桿( levge )等五個財務指標,應用描述性統計檢驗和橫截面統計檢驗等多種方法,結果表明,除系數以外,凈市價( b p )和流通規模( size )對證券收益率部有重要的影響。在論文的第三章,提出了一個基於多因素的風險因子模型,並用加權回歸和時間序列回歸等方法估計出了不同證券的各風險因子系數(類似於單指數模型中的系數) ,據此,即可衡量出一個包括n只股票的的風險_ p ~ 2和收益率r _ p 。
  5. Based on the numerical simulation and accuracy analysis to previous slab ' s test with the ansys program, the study of composite wall, with various detail design under potential load action respectively or jointly is carried on and the wall ' s atress behavior and failure mode is obtained, also the influence to wall ' s stiffness and bearing capacity by kinds of factors, including wall ' s shear span ratio, member ' s section, bar arrangement, etc. based on the hammer blow test and stiffness test, a 1 / 3 scale ten - bay model ' s modality parameter and elastic deformation characteristic is analyzed

    在對密肋復墻板運用ansys ~ ( ( ? ) )程序進行數模擬、分析驗證的基礎上,對典型墻體在不同連接構造和不同荷載效應作用下的受力形態和破壞模式進行研究;計算分析了復墻體剪跨、邊框柱截面尺寸、邊框柱配筋大小以及墻板內肋梁肋柱配筋等諸多因素對密肋復墻體承載力及剛度的影響,得出其變化規律。
  6. By the large quantity of indoor and field soil mechanics test, this paper investigated physics and mechanics property of xigeda stratum and xigeda compounding filling, profoundly and systematically studied on shearing strength, cbr ( including indoor cbr and field cbr ) and intensity feature of xigeda compounding filling. the new achievement and cognition as follows : ( 1 ) cbr value is decided by moisture content and mudstone content of xigeda compounding filling. the filling material can satisfy minimum intensity standard of express highway when mudstone content is less than some fixed value, ( 2 ) this paper established field cbr standard value which can synthetically evaluate the filling material nature and field compaction degree. ( 3 ) the optimal compacting mean of xigeda compounding filling is hard oscillation first and weak oscillation later, not traditional way which is weak oscillation first and hard oscillation later. ( 4 ) this paper put forward the conception of optimum moisture content in construction different from optimum moisture content of indoor impaction

    本文以昔格達填料強度特徵為研究對象,通過大量的室內及現場試驗,從昔格達地層巖的物理力學性質、昔格達填料的物理性質入手,對昔格達填料的抗剪強度、室內承載及現場承載特徵進行了較系統地研究,獲得了如下認識及進展:昔格達混填料承載受填料含水量及其中泥巖含量的影響,當泥巖含量小於一定時,昔格達混填料具有較高的承載,能夠滿足高速公路對填料的最低強度要求;建立了綜評判昔格達填料性能及現場壓實效果的現場承載( cbr )標準;對于昔格達填料而言,最佳的碾壓方式為先強振后弱振而不是傳統的先弱振后強振;提出了與室內擊實最優含水量相區別的施工最佳含水量的概念。
  7. The first one : fitting together ultimate values of every dimensions in one dimension - chain one by one, educing many equations by itself, calculating results, and comparing these results of close dimension to find maximal and minimal values. the second one : projecting all dimensions on two preestablished axis, then providing the solutions to analyze whether every projected dimensions is increscent or decreasing, and synthesize the effect of every projected dimensions to close dimension, educing many equations by itself, at last calculating the result of close dimension. the third one : according to monte carlo analysis, getting every dimensions " values from every dimensions " tolerances at random time after time, simulating the actual circumstances of mass production using these dimensions, and calculating reasonable results of close dimension economically

    鑒于這類系統在各大中小型企業的廣泛應用與相對滯后的研究水平,本文提出了三種新的能切實地解決目前尺寸鏈計算機輔助分析解算中存在的各種難題的設計方案,第一種方案將尺寸鏈中各成環能取的極起來,自動列方程,求解每個情況下的封閉環尺寸,最後較這些結果,得出封閉環的最大最小;第二種方案將尺寸鏈各成環向預先設定好的兩個方向投影,之後再分析各尺寸環投影分量的增減性,並且提供了成環兩個方向上的投影分量增減性不一的復雜情況下的解決辦法,綜成環各投影分量的增減性,然後自動列出方程,最後根據各成環的投影分量以及所列的方程來確定尺寸鏈封閉環的尺寸;第三種方案以蒙特卡洛法為原理,在尺寸鏈各成環的取范圍內使用計算機產生大量隨機數,模擬實際大批量生產中的零件尺寸分佈情況,以更經濟更理的方式分析、計算封閉環尺寸。
  8. Ultramafic rock fragments, which almost is altered to ophite, distributed in structural zone and displayed structural lens. so far, 9 fragments were discovered and mapped in nujinshan and bujing area ultramafic rock can be divided two kinds according to it ' s geochemical characteristics. one can be correlated with metaperidotite, which represented residual part that primary pyrolite underwent moderate partial melting, from some representative ophiolite melange in the world

    按超鎂鐵巖類的地球化學特徵可將其劃分為兩類:一類具有較高而穩定的mgo 、較低的al _ 2o _ 3 、極低的cao , m f為8 . 0 ? 8 . 4 ,按標準礦物進行分類可定為方輝橄欖巖,且均為fa _ ( 100 ) 、 en _ ( 100 )的鎂質端元分;可與世界上一些典型的蛇綠巖套中變質橄欖巖進行對,代表了原始地幔中等部分熔融作用后殘余物。
  9. Heredity modes of 6 traits were studied by analysis of population genetics, by the method of family combination analysis, by the methods of proband ' s sib analysis, segregation analysis, the threshold model of polygenes, and analysis of typical family trees, according to the data of the 72 families. the relative importance between genetic and environmental effect on each character was evaluated by comparing the coherence of twins. gene frequencies of 5 genetic characters, calculated from han group in huhhot, were compared with other groups by u - test so as to study the population or nationality difference in heredity

    採用群體遺傳學分析、家系分析法、先證者同胞法、分離分析法及多基因閾模式分析方法對所得家系資料進行了統計學分析,結家繫系譜分析探討了上述6項特徵的遺傳方式;通過雙生子一致率的較,對上述特徵的遺傳與環境效應的相對重要性進行了評價;計算了呼和浩特市漢族群體5對遺傳性狀的基因頻率,採用u檢驗方法與相關文獻報道的其他群體進行了較,探討了不同種族間或民族間的遺傳差異性。
  10. Segregation ratios of most of markers fit expected ratios. this result showed that most of the region of m. xiaojinesis ' s and m. baccata ' s genome segregated normally

    絕大多數的標記( 1048 ,占總數的93 . 1 )的分離例適各自分離的期望,表明小金海棠和山定子基因的大部分區域是正常分離的。
  11. 2. the transonic flow field solutions of a ttcp standard waf - body combinations are computed using the software of cfd, the results are agreement with experiment dates, this verifies that the accuracy of the numerical simulation model is ensured

    2 .應用cfd軟體對某ttcp標準卷弧翼-身體跨聲速下流場進行數計算,將計算結果與文獻試驗結果進行對,驗證本文數計算模型。
  12. In this article, firstly the background of the textile trade conflicts within sino - us or sino - euro are introduced, thus learn that how to discern and dodge the foreign trade risks, how to choose the appropriate investment projects have already become one of the most important questions for exporting companies on foreign trade affairs well - known as high investment and high risk. so the main text makes a risk analysis qualitatively and quantitatively on a textile - exporting trading company from three angles of statistic 、 game theory and portfolio theory, which is the main content that we studied. firstly, the statistic article adopts data of the transaction closing price of the textile clothing index in shenzhen stock exchange at the end of each quarter as well as several other kinds of data reflecting the macro - economic changes, performs an empirical analysis of these data according to the theory of co - integration test 、 granger cause test and impulse response function of time series in economitric, and learn that the impact to ti is more obvious by the economic index reflecting local commodity price level and economic prosperity degree home and abroad, as well as the impact degree and the time lag degree, and knows the macro - economic risks faced by textile business enterprises ; after that by the game theory angle we analyze exactly the managing risks faced by one textile export corporation named beauty. from the game expansion chart the system arrangement between censor ways by exportation goal countries and exporting strategies by the exporting enterprises has been analyzed. involving the benefit assignment between them both the limited rounds and infinite rounds negotiations of cooperation games have been studied, and then country responsibility and the enterprise managing risks on foreign trade affairs and so on have been analyzed exactly ; in order to realize the investment multiplication in the certain degree to disperse the risk, the

    本文首先介紹了中美、中歐紡織品貿易爭端的來龍去脈,由此可知在涉外貿易這種以高投入、高風險著稱的行業里,如何甄別和規避外貿風險、如何選擇適的投資項目已經成為外貿企業的首要問題。因此,正文分別從統計學、博弈論和投資三種角度對涉外紡織品貿易公司風險進行了定性和定量的分析,這也是本文的主要研究內容。首先,統計學篇選取了深圳證券交易所行業分類指數?紡織服裝指數( ti )每一季度末的交易收盤價和若干種反映宏觀經濟變化的指標,利用計量經濟學中時間序列的協整檢驗、 granger因果檢驗和脈沖反應函數等理論做實證分析,從而得知反映國內物價水平和國內外經濟景氣程度的經濟指標對紡織板塊上市的沖擊較明顯,且可知沖擊程度和時滯度,進而分析出涉外紡織企業所面臨的宏觀經濟風險;接著,從博弈論的角度具體分析一家紡織品出口公司( beauty )的外貿活動所面臨的各種經營風險,該篇從博弈擴展圖入手,分析了出口目的國審查方式與本企業出口策略之間的制度安排;並圍繞雙方的利益分配,研究了有限回和無限回作談判博弈,然後具體論述了國家責任和企業涉外經營風險等問題;在一定程度上為了實現投資多元化來分散風險的目的,投資篇從經典的markowitz模型著手,在一些特定條件的限制下,給出了一個相應的投資模型。
  13. Ddz - iii series process electronic control system. ratio setter

    Ddz -系列電動單元儀表給定器
  14. Compared the results of fea and the data of experiment, we can analyse that the distributing of the seismic stress of polymer - geogrid reinforced material is similar to that of the static stress, but the stress values of them is different ; the seismic similar friction coefficient between the earth and reinforced material fall with the increasing of earthquake acceleration, model acceleration respond along the height of the model, etc. thirdly, according to the comparison and analysis of the model seismic fea results and model experiment data, we can find the polymer - geogrid reinforced earth seismic fea is reasonable, which is composed by earth element, contact element and reinforced material element

    通過對有限元計算結果和試驗數據,分析得出塑料土工格柵筋材的最大動拉應力的分佈與靜拉應力的分佈沿筋材的埋深大致相同,只是應力的大小不同;地震作用下土筋間的動似摩擦系數是隨地震加速度的增加而減小;模型沿墻高方向的加速度響應等。接著,根據模型動力有限元時程分析結果和模型試驗數據的較分析,得出由土體單元、接觸單元和筋材單元的塑料土工格柵加筋土非線性動力有限元分析模式的理性。
  15. Twenty f1 combinations crossed among 5 varieties and strains different in fiber properties according to complete diallel crossing design were used to evaluate the heterosis and gene action of boll weight and lint percentage in high quality fiber property varieties in upland cotton in 1998 1999 for two year successively at nanjing. it was indicated that there existed small interactions with the environmental factors without maternal effects and the additive gene effect was in chief, attaining to 51. 2 % and 65. 4 % respectively for boll weight and lint percentage. the dominant effect was also in higher rate, 32. 6 % and 16. 8 % respectively. the population mean heterosis of boll weight and lint percentage over the mid - parental mean were relatively prominent 13. 3 % and 3. 5 % respectively in extreme significance. however, boll weight showed no significantly surpassing parental f1 heterosis over the better parent based on population mean ( 2. 0 % ) ; while the lint percentage expressed significant negative heterosis value ( - 2. 1 % ). the gene actions were in conformity with the heterosis expression. it was shown clearly that the f1 combinations crossed between parents with similar performances had relatively high dominant effects and significant positive f1 surpassing parental heterosis ( f1 heterosis over the better parent ) ; while no f1 combination crossed between the parents with prominent mutual difference surpassed the higher parent in yield components, which indicated that among those parents with less difference and close relationships, there still existed sufficient genetic variation or certain mechanism for creating variation and achieving greater advances in breeding. correlation analyses also indicated that there still existed severely undesirable negative correlation between yield and fiber properties as well as the difficulties for their simultaneous improvements

    利用5個具有不同纖維品質性狀的品種(系)配製完全雙列雜交20個,通過親本和f1的2年隨機區試驗發現產量性狀的鈴重和衣分與環境的互作效應小,不存在母體效應,並以加性遺傳效應為主,分別占表型方差的51 . 2 %和65 . 4 % ;顯性遺傳效應所佔的率也較高,分別為32 . 6 %和16 . 8 % .鈴重和衣分的群體平均優勢較大,分別為13 . 3 %和3 . 5 % ,達到了極顯著;鈴重的超親優勢為2 . 0 % ,不顯著;衣分為顯著的負( - 2 . 1 % ) .遺傳分析與雜種優勢結果一致.具體表現在產量性狀上,親本相當配製的顯性較高,其超親優勢正向顯著,而極親本(差異較大)所配沒有超過高親的.這表明親本差異小、親源關系較近的親本中仍然存在足夠的遺傳變異或某種機制以創造變異使育種取得更大的進展.相關分析表明了仍然存在嚴重的品質與產量的負相關,遺傳改良的難度較大
  16. With the purpose of better understanding some weak links in this subject, we comprehensively and systematically compared the effects of some typical inhibitors and their different combined ways in inhibiting cd bioavailability in purple soil, further studied the laws and affecting factors of cd ' s transfer and transformation in soil - plant system, revealed the mechanisms inhibitors function, and explored the practicable inhibitor prescriptions and their usage. the results are expected to provide reliable techniques for controlling cd pollution of agricultural soils in chongqing and it is also significant to ameliorate soils polluted by other kinds of heavy metals. comprehensive methods including pot experiment, laboratory culture experiment, kinetic and thermodynamic adsorption - desorption experiment were adopted in this study, and the acidified purple soil was chosen to test, considering that cd is highly active in this soil

    本研究針對重慶市農業土壤的污染狀況,選取鎘活性較高的酸化紫色土為供試土壤,採用盆栽試驗、培養試驗、化學熱力學與動力學吸附試驗相結的方法,系統研究和較多種調控劑及其不同方式對鎘生物活性的效應,並揭示鎘在土壤?植物系統中的遷移轉化規律及影響因素,進一步分析調控劑的作用機理,探尋具有實際應用價的調控劑配方及理使用的方法,這不僅可以為重慶市農業土壤鎘污染的防治提供可靠的技術保障,而且對于其它重金屬污染的治理也有一定的理論意義。
  17. 3 ) the influences on the internal forces by some variable parameters such as the ratio of the rise to span and the stiffness ratio are compared. the optimal range of these parameters is pointed out and some advances are also given

    研究探討了矢跨、拱梁剛度等參數對預應力混凝土連續梁拱體系橋梁結構內力的影響,並得出理的取范圍,為設計人員選取結構參數提供參考。
  18. All of the researches are carried out on the background of a spatial continuous beam - arch composite bridges, and the relative loading experimental results are compared with the calculated values. it indicates that the theory of elastically supported continuous beam method load lateral distribution is a kind of simple convenience and safe practical engineering calculation method. 2 ) the suspender force and correlated modality is analyzed with the use of general calculation program ansys. during testing suspender force, the influence of the rigidity of suspender must be considered

    在此基礎上,以一座實際的預應力混凝土連續梁拱體系橋梁為工程背景,採用一般的試驗研究方法對該橋進行了荷載試驗研究,並將有關的荷載試驗結果與理論計算作了較,結果表明:所提出的彈性支承連續梁法計算,與空間有限元分析理論及荷載試驗測試基本吻
  19. Citing five - meter - high nanfei river rubber dam in hefei, one of the highest double - anchor water rubber dam in china as an example, while deeply analyzing some representative rubber dam projects in china, the article theoretically exploits the relationships among some technical parameters such as anti - pull intensity, internal pressure ratio, circum - oriented relative extending rate, etc. also has the author brought up his own opinion on rubber dam design & calculation theory, which is of high theoretical and applicative value for parameter optimization and combination of water rubber dam with a height of above 3. 5 meters. it also helps when building over - five - meter - high rubber dam using seamless rubber dam and rubber dam with steel wire as its frame. this article also exploits safety measures for designing & building rubber dam in navigation areas

    本文以充水式雙錨固橡膠壩目前國內最高(壩高5m )之一的肥市南淝河橡膠壩工程為例,並在對全國目前已建橡膠壩代表工程進行深入分析的基礎上,對壩袋的抗拉強度、內壓、環向相對伸長率等技術參數之間的關系進行了理論探討和研究,並對橡膠壩設計計算理論提出了自己的見解和看法,對指導設計壩高3 . 5m以上的充水式橡膠壩技術參數的優化具有重要的理論和應用價,特別對應用無搭接縫橡膠壩、鋼絲網骨架橡膠壩建造壩高大於5m的橡膠壩具有指導意義。
  20. In this thesis a numerical model to solve the planear 2 - d depth - integrated flow ( dif ) has been established with irregular body - fitted mesh finite volume method and explicit maccormack predictor - corrector method and applied to the study of damming caused by a bridge pier under 14 working conditions varied with the combination of different pier shape. flow rate and contraction ratio

    本論文採用非規則貼體網格有限體積法和顯式maccormack預測-校正法求解平面二維水深積分方程,對明渠水流運動的數模擬方法進行了研究,並且應用該數模型計算了14種不同的橋墩體型、來流、收縮工況下的橋墩壅水問題。
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