ratio factor 中文意思是什麼
ratio factor
解釋
比率因數-
And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the
研究中首次提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀測，設計了根據駕駛員感受度來衡量超車過程的實驗方案，並通過後期數據處理得到了超車過程中兩個重要的可接受間隙參數-可超車車頭時距和可回車車頭時距的臨界間隙值，為定性和定量分析雙車道公路通行能力提供有力的數據支持;同時，還提出了觀測超車率的實驗方法以及測量加速度干擾的實驗方案，統一了計算加速度干擾的時間統計間隔，為雙車道公路的服務水平量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查法和模擬程序中模型參數標定和驗證的數據採集方法。 -
At present, the competition of oil industry is very fury, so reducing the cost of exploitation of oil is imperative under the situation. but the oil drillers of our country are relatively old, and the control mode drops behind, which result in the long period of making hole and high ratio of aiguille attaint, which is the main restrict factor of reducing the cost of oil exploitation
隨著石油行業競爭的日趨激烈，降低石油的開采成本就勢在必行，於是研製新型的石油鉆機就顯得尤為重要，因為國內目前使用的鉆機比較陳舊，控制方式非常落後，導致鉆井周期長、鉆頭損壞率高，這是降低石油開采成本的重要制約因素；而且落後的控制方式使得鉆井過程容易發生溜鉆、卡鉆等事故。 -
In adding - acid system : the resistivities of different lithotypes " cp tend towards being constant and equal when weight percentage of aniline exceeds 50 % ; because of the structure difference of different lithotypes, the polymerizing places and processes are different ; the resistivities of vituain / pan and fusain / pan reach the lowest point respectively when ( ntloisiog / an is 0. 6, 1. 0 ; the resistivities of cp decline fast and tend towards being constant along with the reduction of diameter of coal. in not adding - acid system : the resistivities of different lithotypes ' cp decline evenly ; it is found on the crossed experiment of cp, that ( nflsaog / an mole proportion is the most important factor to influence output ratio of cp and the weight percentage of aniline is the most important factor to influence resistivities of cp. according to the result of the crossed experiment of cp
在有外加酸體系中：苯胺百分含量大於50時，不同煤巖組分的電阻率趨于恆定和一致；由於不同煤巖組分結構上的差異，導致苯胺聚合場所和聚合過程的不同；當過硫酸銨/苯胺摩爾比為0 . 6 ， 1 . 0時，鏡煤-聚苯胺導電材料電阻率和絲炭-聚苯胺導電材料的電阻率分別達到最低值；在無外加酸體系中：不同煤巖組分/聚苯胺導電材料的電阻率隨著聚合時間的增加而均勻下降，並在8小時左右達到恆定；在對絲炭-聚苯胺導電材料進行的正交試驗中發現：過硫酸銨/苯胺摩爾比對產率的影響最大，苯胺重量百分比對產率影響最小，而對產物電阻率影響最大的是苯胺重量百分比。 -
The load factor is the maximum ratio of elements to buckets
加載因子是元素與存儲桶的最大比率。 -
Tide is the primary dynamic factor in building tidal flat ; it must be affect tidal creek system on mud flat. therefore, based on the raster image of the year of 2000, the thesis has built correlation equations between average tidal ranges and the density of tidal creeks, the ratio of the width of outlet to the length of low tidal shore, the ratio of the area of tidal creek to tidal basin respectively. the result shows that the former is high well - marked correlation ; the two latter are well - marked correlation
潮汐是塑造潮灘的主要動力因素，它必然與淤泥質潮灘上潮溝系統的發育有密切的關系，為此，本文以2000年的衛片作底圖，對潮溝系的密度、溝口寬度占低潮線長度的比值以及潮溝面積與潮盆面積的比值，分別與平均潮差建立了相關關系，結果發現，潮溝系的密度與平均潮差之間存在著高度顯著的相關性，溝口寬度占低潮線長度的比值和潮溝面積與潮盆面積的比值與平均潮差之間存在著顯著的相關性。 -
And we come to the following conclusions : ( 1 ) looked from the returns ratio target that, all funds achievement are better than the market datum combination ’ s in the sample time, but the funds overall achievement is inferior to interest rate ; ( 2 ) after the modification of the risk factor, our mutual funds outguess the market ; ( 3 ) there is not enough evidence that indicate that chinese security investment funds have choosing ability in the market opportunity and choosing ability in the security. ( 4 ) the achievement in the past of the fund can not represent market manifestation in the future of the fund. this article innovation mainly has following several aspects : ( 1 ) have established the overall target of a appraisal fund achievement and gone on the real example to analyze with the mathematics model, having solved the inconsistency problem of appraising the result of many kinds of
在此背景下，本文希望通過借鑒國外對基金業績評價方面的經驗，結合我國的國情嘗試盡可能真實的、多角度分析我國證券投資基金在不同市場時期的業績特點，如投資基金的回報及其承擔的風險，基金經理的擇時能力和選股能力究竟怎樣，基金業績是否具有持續性等等，為基金投資者、監管者、基金管理公司以及基金的發展提供一些參考，以引導社會資源更多地流向擁有理性投資理念、資產管理能力出色的基金管理公司，實現資源的優化配置，進而推動市場投資理念走向成熟。 -
Half animals were perfused with paraformaldehyte following normal serum after test innnediatly, then removed the brain and fixed for 24 hours with paraformaldehyte, paraffin sections were prepared at 3um, histochemical staining for counting ce11 pro1iferating ratio and in situ hybridization for calculating integra1 scores of stem cell factor inrn positive signals
結果如下： 1增殖細胞的觀察經72h的快眼動睡眠剝奪，實驗組大鼠海馬齒狀回區brdu與p皿a （ proliferatingcellneuclearantigen ， pma ）陽性標記細胞數顯著增加。 -
This thesis makes a detailed analysis of the capital composition, and make sure of every factor ' s ratio in the ship ' s operation capital, such as ship depreciation, ports charges, fuel oil fares, maintenance charges, crew expenses, management expenses
由於船舶營運成本受一定的時間、空間條件的限制，本文討論的是船舶可控成本的內容，這些費用的支出總量經過船員的努力在一定程度上是可以降低的。 -
For any section, the ratio mp/my is called the shape factor.
對于任意的截面，比值MpMy叫做形狀系數。 -
For any section, the ratio mpmy is called the shape factor
對于任意的截面，比值mp my叫做形狀系數。 -
For any section, the ratio mp / my is called the shape factor
對于任意的截面，比值mp my叫做形狀系數。 -
Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account
依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型，對中國古代木結構中的典型構造如：柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究： （一）通過木柱石礎靜摩擦試驗，測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律； （二）通過單柱承載力試驗，測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量； （三）通過柱架低周反復荷載試驗，測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數； （四）通過斗?低周反復荷載試驗和受壓試驗，測定了古建築木構件與木構件間摩擦系數，斗?抗側移剛度，斗?恢復力特性及滯回曲線，斗?抗壓極限承載力及受力變形規律； （五）通過抬梁式殿堂間架模型振動臺試驗，測定了殿堂木構架結構自振周期，地震反應振形、阻尼特性及阻尼比；按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量，對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。 -
Specially, based on risk - metric and factor variables, the author discusses multi - factor asset pricing model. in theoretical analysis, the author attempts to release the assumption of index ' s random walk, proves a portfolio selection model suitable for the linear index level moreover, based on assets un - exchangeable, the author brings forward asset pricing models for b - shares, h - shares and non - circulated - shares. the author also brings forward multi - factor asset pricing model based on risk - metric indices, such as coefficient of beta, standard variance, standard semi - variance, average absolute deviation, value at risk, and factor variables, such as circulated market equity, exchange ratio, short - term historical return
在理論分析時，作者嘗試放鬆指數水平滿足隨機遊走過程的假設，推導出指數水平呈線性趨勢的資產組合選擇模型；此外，作者基於資產不可交易這一假設，提出了b股、 h股和非流通股等情形的資產定價模型，並基於系數、標準差、標準半方差、平均絕對離差和風險價值等風險度量指標以及流通市值、換手率、短期歷史收益率等因素變量提出了四因素資產定價模型。 -
For design calculations, it is usually adequate to use the theoretical value for the approximate mixture ratio, corrected by a typical combustion efficiency factor.
對于設計計算，採用相應混合比的理論值，並用典型的燃燒效率系數來修正，通常這樣做是恰當的。 -
Furthermore, this dissertation also gives a comprehensive analysis and comparison to the torque ripple factor, torque - current ratio and other aspects for pseudo - sinusoidal emf bldcm drived by 120 conduction mode, 180 conduction mode and self - synchronous svpwm mode respectively. the simulation and the experimental results indicate that self - synchronous svpwm method is more effective for minimizing the torque ripple without any expense of the torque - current ratio when the crest width of the back - emf waveform is less than 107 electrical angles
對準正弦波反電動勢無刷直流電動機在120導通方式、 180導通方式和自同步svpwm三種控制方式下的轉矩脈動系數、轉矩電流比等方面進行了全面的分析與比較，模擬研究和實驗結果表明，當反電動勢的平頂寬度小於107電角時，採用自同步svpwm控制方法可以在不損失轉矩電流比的基礎上，更有效地抑制電磁轉矩脈動。 -
Then the plasmid was extracted from them and determined by dna calculator. the protoplast that contain growth hormone releasing factor injected into rabbit muscle and mouse muscle after it were treated by 1 % glutaral, pay it to electric stimulation in muscle of injection site and extract omni - rna from injection site of rabbit muscle, expression of grf were detected by reverse transcription and pcr ; ratio of expression of grf were detected by elisa. extract dna form injection site of mouse muscle to research time of expression
本實驗是將含grf重組質粒的jm109菌株大量培養，用堿裂變法提取質粒，用dnacaculator定量；制備含grf的原生質體，經1的戊二醛處理后注射於家兔肌肉，在注射部位給予電刺激，提取總rna ，用rt - pcr檢測grf在肌肉中的表達；用elisa法定性檢測grf在肌肉中蛋白質水平的表達；將該原生質體注射于小鼠肌肉中，定期提取dna ，初步探討原生質介導的外源性grf在小鼠肌肉中的表達時間。 -
Niche breadth of four dominate populations at three age groups was studied by the methods of resource utilization ability and ratio. the result shows that : symplocos sectchuanensis is a typical gengeration species whi ch resource utilization ability is strong, and distribution is wide. meanwhile, go rdonia acuminata, castanopsis fargesis and pinus massoniana specialized at some d egree in resource utilizationm, their distribution is limited. especially, the ju venile of pinus massoniana specialized outstandingly. with the devlopment of pinu s massoniana, which is the pioneer population in mt. jinyun, the environment become s unfit to it ' s juvenile. it turns to needle and evergreen broad - leaves mixed fo r est. because the tolerance toward shading of gordonia acuminata is lower than tha t of castanopsis fargesis, gordonia acuminata will be substituted by castanopsis fargesis and other evergreen broad - leaves species are the edificators. the popul ation ' s ability of resource utilization is the inner factor of population distri bution and community succession. the distribution of light and the concentrate of nutrient ( such as n ) is the outer factors of community succession
對縉雲山森林植被的4個優勢種群3個年齡級生態位寬度進行了研究.結果表明，川灰木利用資源的能力最強、分佈廣，為典型的泛化種.大頭茶、栲樹、馬尾松對資源的利用在一定程度上特化，分佈上有一定的局限性.馬尾松的中齡組與幼齡組特化現象十分顯著.縉雲山森林植被的先鋒種馬尾松的發展，導致環境的改變不適于其幼齡個體的生長，群落演替到針闊葉混交林階段，最後發展為以栲樹等為建群種的常綠闊葉林.種群的資源利用能力，是種群分佈與群落演替的內在原因，光因子和營養元素（如n ）是群落演替的主要外部動力 -
When the water - air ratio increases, air ' s changing quantity of enthalpy and absolute humid will be enhanced. at last, the paper analyses the data from single factor experiment by mathematics method and gets relationship formulas about the nozzle flux, valid humidifying quantity and air ' s enthalpy changing quantity
最後，對上述單因素試驗得到的數據進行數學分析，運用線性回歸分析、多項式回歸分析和非線性回歸分析的數學方法，得到影響撞針型高壓小孔徑離心式噴嘴的噴嘴流量、有效加濕量和空氣焙變量的數學關系式。 -
Under the different freezing - thawing cycle circumstance, three factors of water binder ratio, air content and mineral admixture are analyzed by using the method of orthogonal table. the test results show that the chief influencing factor is the water binder ratio in water freezing - thawing cycle circumstance, and in salt freezing - thawing cycle circumstance is the air content. this could illustrate that entraining air into concrete can improve the frost resistance of concrete effectively in salt freezing - thawing cycle
分析了在純水和3 . 5 % nacl溶液中受凍后，水膠比、含氣量和摻合料對混凝土飽和系數及變化速率的影響規律，試驗結果表明水膠比對混凝土水凍時的飽和系數及變化速率影響顯著，而鹽凍情況下含氣量則是主要影響因素，說明引氣能顯著提高混凝土的抗鹽凍性能。 -
Hardness ratio factor
硬度比系數
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