篩分系數 的英文怎麼說

中文拼音 [shāifēnshǔ]
篩分系數 英文
screening coefficient
  • : 名詞[書面語] (植物名) sedge
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel

    首先,析了影響黃河水位的水沙因素,及僅用水沙因素有效研究水位的可行性,並按變量對應思想採集它們的相應據;其次,由於相應水位過程據中含極強的非線性關,本論文經細致的理論析,將基本的非線性析方法、統計建模方法、隨機析理論、最小均方誤差原則等等學理論及方法有機揉合,提出了能有效實現這類據高精度擬合的選法,並改進了統計學中多因子(三個以上)方差析法;再次,將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合,實現了這一典型非線性關的高精度擬合,各年汛期上下游相應洪水位過程的擬合誤差都較小;最後,明確黃河下游含沙量對水位的主要影響方式,即含沙量主要是與其它因素聯合對水位作用;另外析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。
  2. Firstly, we study the construction of emotion - speech template database, and analyze the common features such as pitch, energy and formant. after choosing the useful features by using fuzzy entropy effectiveness analysis, we get better performance with the application of neural network. in addition, we propose some more efficient features such as speech rate, pitch slope, mel - frequency cepstral coefficients and its transient parameters, and design a processing model based on vector quantization for cepstral features to fusing different features

    本文首先介紹了情感語音據庫的建立情況,然後研究了基音頻率、振幅能量和共振峰等目前常用的情感特徵在語音情感識別中的作用,並且通過一種基於模糊熵的特徵有效性析方法進行了有效特徵的選,應用人工神經網路建立了初步的語音情感識別模型,經過實驗發現特徵選后統的識別效果有著一定程度的提高。
  3. Back - analysis method and computing program of damage parameters by the curve of stress - strain by uniaxial tension and compression test was made out. 5. by the damage evolving relation proposed the flexural process of the trisection specimens of wet - sieved and fully - graded concrete was numerically simulation

    5 .根據本文提出的損傷模型和損傷參量演化關別對濕混凝土和全級配混凝土試件進行了三點加載值模擬。
  4. Conclusion : the system not only could pick upon the op timum strain on fixed culture medium or the optimum substrate to special strain fleetly but also could be used to evaluate the microbe growth character apace, monitor z ymogen upgrowth in fermentor and determine total number of bacteria in fresh cre amery rapidly

    結論:研製的生物傳感器統可用於菌種和培養基組的快速選、微生物活細胞生長特性的快速評估,還可用於發酵罐中發酵菌的生長監測及新鮮牛奶中雜菌總的快速測定。
  5. Series of screen - bohou adopt large amplitudes, big intensity of vibrations, flexible screen surfaces, the motion parameters characteristics of adjustable amplitudes ; the unique structural features of " board of screen active, box inactive, unattached vibration of the screen surface " ; though segmented, multi - segments of screen surface jointed, large - scale of screen equipments can be realized, the advantages of large area, big handling capacity and no special requirements to the water of materials make the screen to be the best screen equipments used for the small wet materials

    簡介:博后列採用大振幅、大振動強度、彈性面、振幅可調的運動參特點;及獨特的「板振動、箱不振動、各段面獨立振動」的結構特點;經段、多段面組合,實現了設備大型化,大面積、大處理能力的優勢及對物料水的無特殊要求,是潮濕細粒難物料的最佳設備。
  6. The simulation on synthetic data is made and the result is discussed. 5 ) by using borland c + + builder and matlab, a semi system, i _ miner, is developed to mine association rule. it can realize other functions just as data cleaning, data transform, etc. furthermore, i _ miner is applied to an actual industry database

    提出用趨勢變換序列dtw距離做選的搜索方法,有效提高整個搜索效率,並在模擬據庫上進行模擬實驗,並對實驗結果進行析和討論; 5 )以borlandc + + builder和matlab為開發平臺,設計一個進行關聯規則挖掘的準統i _ miner ,可以實現據預處理,據變換和關聯規則挖掘等工作。
  7. On the basis of the study of the theory and appraise method on land use in the small towns from home and abroad, this paper at first conducts a deep study on the development and role of the small towns, indicating that its development has sawn an uneven development phrase and becomes a carrier of the enterprises, a pool of surplus laborers, a hub of material exchanges between the rural and urban areas, a base of spiritual civilization, an important way to achieve urbanization. second, it conducts a study on the situation and features and the problems the land use, indicating that the efficiency of the land use is low, which has a direct influence on the development of agriculture and the role of the small towns. and the study of the demand of the land indicates the shortage of land is serious, and the small town must rationally use the land and increases its intensive role and the economical efficiency to meet the demand

    析國內外已有關于小城鎮土地利用的理論與評價方法的基礎上,首先對小城鎮在我國的發展、地位和作用進行了深入的析,判明我國小城鎮發展經歷了一個曲折向上的發展階段,已成為鄉鎮企業的載體,農村剩餘勞動力的蓄水池,城鄉物資交流的樞紐,農村精神文明的基地,是我國城市化的重要途徑;其次,對小城鎮土地資源利用現狀和特徵進行了探討,並對發展小城鎮建設導致的土地利用問題進行了剖析,表明目前我國大多小城鎮土地效益和規模效益低下,佔用耕地過多,直接影響農業的發展,影響小城鎮的地位和作用;通過小城鎮土地供需析研究表明,我國土地短缺十嚴峻,小城鎮土地需求缺口較大,小城鎮必須合理利用現有土地,增強集約功能和土地經濟效益,從而緩解需求壓力;最後,論文通過運用特爾菲法,描述統計析法、多元統計析(主成析)法和析法中的層次析法( ahp )等一列方法,結合定性和定量兩方面,從土地質量、土地資源量與結構、土地經濟效益、環境效益、社會效益等五個方面進行析,選、建立了土地資源利用評價指標體,在因子評價的基礎上,建立了土地利用綜合評價模型,並給出了評價過程和方法。
  8. According to the special shape and operate requirements of the torpedo, the structure and moulding process of the torpedo shell are established, in which the body and overlay block with grooves are moulded by fiber winding, and close moulding respectively with the adhesive by limited stop compression. in the light of the selection of raw material system, composite system with outstanding performance are defined, based on which the mechanical properties are tested., with the overall consideration of structural characters and design demands, the main factors which may have effects on the strength and stability ( including stiffness section dimension, stiffeners space, skin thickness and skin lay angle ) is optimized one by one for the structure design parameters on the base of the fem model of skin, stiffness and layover block by fem. as a result, the prototype with 1 : 1 proportion and its structure and lay optimization design are completed. the moulding technology for polyurethane foam moulding the stiffened shell is obtai ned in terms of the design, manufacture moulding, experimental mould and tooling

    依據在研產品特殊的外型結構和使用要求,確定了該型號水雷復合材料殼體的具體結構形式和復合成型工藝路線,即由纖維纏繞工藝成型主體異形件,閉模成型帶通槽外貼塊,用限位加壓工裝實現粘接的工藝路線;通過對原材料體選,確定了綜合性能較好的復合材料體,以此為基礎進行了力學性能測試;運用有限元方法,建立了蒙皮、筋條和外貼塊的析模型,綜合考慮結構特點和設計要求,對影響結構強度與穩定性的主要因素(包括筋截面尺寸、筋間距、蒙皮厚度、蒙皮鋪層角度)別進行了結構設計參的優選,最終完成了復合材料異形耐外壓殼體1 : 1樣件和縮比實驗件結構及鋪層優化設計;完成了聚氨酯泡沫胎成型內置加筋殼體的成型工藝技術研究;對縮比件進行外壓性能測試,並給出了應力、應變測試結果。
  9. The grade composite, road performance and its mechanism are systemically studied. 1 ) the aggregate grade of ogfc is studied through the volume method base on the analysis of the aggregate grades. then the grade is verified and the relation between the grade and pore rate is studied statistically, the typical grades of ogfc are developed ; 2 ) the reasonable pore rate of ogfc is studied on the basis of the balance of mechanics and function performance ; 3 ) the mineral fiber is added to the ogfc mixes to increase asphalt content, thus the anti - water performance of ogfc mixes are improved ; 4 ) high viscous asphalt fit for the preparation of ogfc is prepared through composite modification by sbs and rubber powder ; 5 ) the mechanics mechanism of ogfc is studied in the paper, it shows : asphalt paste, as well as the coarse aggregate skeleton, is essential to the mechanics of ogfc

    析各國ogfc級配的基礎上,運用礦料體積法進行ogfc級配設計,用正交實驗對礦料級配進行了優化設計,運用理統計方法析礦料級配和孔隙率之間的關,並回歸出礦料關鍵孔通過率與ogfc骨架空隙結構關學方程,進而提出了ogfc的合理級配;通過對不同孔隙率典型級配混合料的性能研究,綜合力學和功能性能,得出了ogfc的合理孔隙率范圍:針對高速公路面層對ogfc力學性能方面的要求,本文從瀝青膠結材料、纖維穩定劑兩方面對ogfc的性能進行改善:通過sbs和橡膠粉復合改性的方法開發出了適合ogfc的高粘度改性瀝青,摻加聚合物纖維,提高ogfc的最佳瀝青用量,進而改善了混合料的高溫性能和抗水損害性能,優化設計出能滿足高速公路路用性能,車轍動穩定度達5000次/ mm以上,動融劈裂強度比90 ,透水31ml / s ,並具有防滑降噪功能的開級配瀝青磨耗層( ogfc )混合料。
  10. ( 3 ) eco - tourism value of wetland landscape resources. for a rational development and protection of the wetland, we studied its landscape resources and its value to created an assessment system of the ecological landscapes, and to evaluated qualitatively and quantitatively the value of wetland to the eco - tourism. we also analyzed the structure, classification and order of the wetland landscapes

    同時,根據ahp 、多元析及量化理論,科學地提出了南洞庭湖景觀生態字化評價模式,選了濕地景觀九個因子,制定了景觀因子等級標準體,建立了濕地景觀項目( 9 ) -類目( 34 )統,完成了86個景觀樣本景觀因子的字化。
  11. Soft pu rollers were used for printing and glazing industry. hard pu rollers were used for iron and steel industry. other polyurethane elastomer such as pu slice, pu bar, pu piece were widely used in all kinds of machine for reduce attrition, acid - resistant, water resistance, insulation with higher toughness, tear strength and low hardness

    4 .耐濕性能好,可在水為介質的條件下工作,且在水油等介質的情況下,鑫發聚氨酯與物料的摩擦降低,更利於透,提高效率,並可避免潮濕微粒的粘附,同時因磨擦降低,磨損減少,使用壽命提高。
  12. And grindintg experiment based on uniform design is conducted. depending on data process system, the regression model of production efficiency, output per degree and particle are established. through single factor analysis on all experimental indexes, the law that the bottom corner, height, bottom length of trapezium and spacing influence the hammer mill capbility are achieved

    並採用均勻設計方法安排異型粉碎室粉碎試驗。利用據處理統,建立生產率、度電產量、粒度的回歸方程。對各試驗指標進行了單因素析,研究梯形片的底角、高度、間距和下底長對粉碎性能的影響規律。
  13. A series methods of data combination analyzing are selected to form the operating method system for crop discrimination. combining gis, gps, and other data from field work with rs data can determine interpretation features and set off working regions, combining rs data can enhance spatial features in order to do unsupervised classification efficiently, union of gis data enable us to join maps and extract features, to analyze crop structure, crop calendar, cultivating system

    本項研究選出了構成運行化作物遙感識別技術體的一據復合析方法,包括gps 、 gis據以及其它田間作業信息與rs據之間的復合,確立解譯標志和劃作業區; rs據之間的復合,進行圖像增強,改善非監督類效果; gis據之間的復合,析作業區作物結構、物候和耕作制度現狀,地圖拼接、特徵提取等。
  14. Members of the hong kong hapmap group specialising in bioinformatics and statistics also participated in the data analysis group of the hapmap project by developing software for selecting variable sites for genetic studies and for measuring the genetic relatedness between pairs of individuals. professor tsui provided some comments on this project

    香港hapmap研究小組的成員在所有樣本上一共成功測試了超過三萬個基因標記,小組中的生物資訊及統計研究員同時亦參與hapmap計劃析組的工作,開發軟體用以選變異點進行基因研究及計算人與人之間的基因關
  15. The study area is located in wangdonggou, a small watershed in changwu county, shaanxi province. with the principles of combination of qualitative and quantitative analysis, macroscopic and microscopic analysis, the assessment indexes of soil erosion are selected through a series processes such as field investigation, soil sampling, physical and chemical properties analysis of soil, analysis of relations between the influencing indexes and soil erosion, statistics method, and so on. every index is divided into five grades according to the specific criterion, and its weight is drawn by ahp method

    本文以陜西省長武縣王東溝小流域為研究區,在堅持定性析與定量析相結合、宏觀與微觀相結合的原則下,通過實地野外調查和採集樣品,土壤樣品的理化析,土壤侵蝕影響因素的析,利用理統計析方法,選出了王東溝流域土壤侵蝕定量評價指標;並對這些指標進行土壤侵蝕評價等級的劃及權重的確定,從而建立了評價指標體
  16. Base on fuzzy mathematics and mathematical statistics, this text analyses the ingredients of selection plan of crushing and screening system and bring forwards a easy assessment method of lectotype

    摘要根據模糊學及理統計理論,通過析破碎統選型的參考因素,介紹一種簡單易行的選型方案評價方法。
  17. The paper is study about maneuver of orbit filtration and orbit predict in space debris collision prediction analysis. its result is directly applied to environment subsystem about space debris, it roots in a project of prediction database based on network from spaceflight office of shanghai

    本文針對空間碎片碰撞預警析中有關軌道選策略和軌道預報計算方法內容進行研究,所獲得的研究成果將直接應用於上海航天局的「基於網路的空間環境預報據庫」中的碎片環境子統。
  18. This paper uses quantitative evaluation method and principles of diagenetic reservoir facies, gray theory, matches and picks up petrophysical parameters, analyzes the comprehensive effect of evaluation parameters on diagenesis, establishes parameter index and automatic analysis and processing method for diagenetic reservoir facies evaluation with gray theory, integrates gray system theory and multi - information, and provides an important method and basis for reservoir description, heterogeneity study, oil well productivity analysis and screening favorable oil blocks

    摘要根據成巖儲集相定量評價析方法和準則,利用灰色理論思維和手段,匹配、擬合和提取儲層物性參別以評價參對成巖作用的綜合效應進行析,建立起灰色理論成巖儲集相綜合評價參指標和自動析處理方法,實現了灰色統理論集成和多種信息綜合,為油藏描述、儲層非均質性研究、油井產能析和含油有利區塊選提供了重要方法和依據。
  19. This research established an estimating model of pinus massoniana stand volume with the elements as variates directly obtained from rs and the conditions of stand that were extracted from 130 samples of pinus massoniana stand from the fifth forest resource continuous investigation data in min - jiang watershed and flitered by the thrice standard deviation method and liner regression method and the correlation coefficient is 0. 735 the suitability and precision of the model were tested and regression analysised with data that were extracted from another 30 samples

    摘要從福建省第5次森林資源一類調查落在閩江流域的樣地中抽取馬尾松林樣地130個,以rs可提取因子及樣地林立地條件因子為可選變量,利用3倍標準差法進行異常據的選,對林立地條件定性因子進行量化處理,通過逐步回歸構建閩江流域馬尾松林蓄積量估測模型,研究結果所構建的蓄積量估測模型的相關為0 . 735 。
  20. And the major parts of the dissertation are as follows : 1. some different empirical formulations on predicting the in - tube boiling heat transfer coefficients are examined. 2

    對r290和r404a ,別根據搜集到的光管、內螺紋管內的沸騰換熱實驗據,選出了相應較好的理論預測模型。
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