篩選系數 的英文怎麼說

中文拼音 [shāixuǎnxìshǔ]
篩選系數 英文
sieveing coeffecient
  • 篩 : 名詞[書面語] （植物名） sedge
  • 選 : Ⅰ動詞1. （挑選） select; choose; pick 2. （選舉） elect Ⅱ名詞（挑選出來編在一起的作品） selections; anthology
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 篩選 : dressing by screening; screen; preparation by screening; preparation; choose by means of a sift; ...
  • 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，系統分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數據；其次，由於相應水位過程數據中含極強的非線性關系，本論文經細致的理論分析，將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合，提出了能有效實現這類數據高精度擬合的分層篩選法，並改進了統計學中多因子（三個以上）方差分析法；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系的高精度擬合，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；另外分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數據庫的建立情況，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分析方法進行了有效特徵的篩選，應用人工神經網路建立了初步的語音情感識別模型，經過實驗發現特徵篩選后系統的識別效果有著一定程度的提高。
  3. 7. at the first time, the reporter dye, fam was linked to the 5 " - end of the oligonucleotides of the probes, and the tamra was located at the 3 " - end as quencher dye. we use camv35s and fmv promoter, nos terminater, mark gene nptii, and aim gene pat, epsps and cryla ( b ) genes as target sequences, design pairs of sp

    7 、首次以fam熒光素標記探針5 』端作為發光基團，以tarma標記探針3 』端為淬滅基團，以camv35s 、 fmv啟動子、 nos終止子、標記基因nptll 、抗除草劑基因epsps 、 pat 、抗蟲基因cry1a ）為檢狽目標，設計、篩選出特異性引物和探針，優化實驗參數，建立了轉基因植物通用性熒光pcr定性檢測方法體系。
  4. He and a friend used math to develop a system for picking winners in horseracing and started selling their " stable - boy selections " tip sheets until they were shut down for not having a license

    他和一個朋友利用數學知識開發了一個在賽馬比賽中選拔冠軍的識別系統，然後開始推銷他們的"馬童篩選器"的內部消息傳單，但因為無許可證被迫關停。
  5. The wavelet coefficients are selected by human visual system ( hvs ) to ensure the transparence of watermarking

    同時基於人眼視覺系統，對嵌入系數進行篩選以保證水印的透明性。
  6. 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：研製的生物傳感器系統可用於菌種和培養基組分的快速篩選、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數的快速測定。
  7. Gardner defines intelligence as an ability to solve problems or create products that are valued in at least one or more culture settings. his view of intelligence suggests that all people possess at least eight different intelligences which operate in varying degrees. these intelligences as identified by gardner include linguistic intelligence, logical / mathematical intelligence, spatial intelligence, musical intelligence, bodily / kinesthetic intelligence, interpersonal intelligence, intrapersonal intelligence and naturalist intelligence

    加德納將智力定義為在特定的文化背景下或社會中，解決問題或製造有效產品的能力，他根據「智力選擇依據系統」 ，經過嚴格論證篩選，提出人類智力至少應包括：語言智能、數學邏輯智能、空間智能、身體運動智能、音樂智能、人際關系智能、自我認識智能和自然觀察智能等8種智能。
  8. 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距離做篩選的搜索方法，有效提高整個搜索效率，並在模擬數據庫上進行模擬實驗，並對實驗結果進行分析和討論； 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系統i _ miner ，可以實現數據預處理，數據變換和關聯規則挖掘等工作。
  9. 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

    在分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分析，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，表明目前我國大多數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分析研究表明，我國土地短缺十分嚴峻，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，描述統計分析法、多元統計分析（主成分分析）法和系統分析法中的層次分析法（ ahp ）等一系列方法，結合定性和定量兩方面，從土地質量、土地資源數量與結構、土地經濟效益、環境效益、社會效益等五個方面進行分析，篩選、建立了土地資源利用評價指標體系，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。
  10. 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；通過對原材料體系的篩選，確定了綜合性能較好的復合材料體系，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、筋條和外貼塊的分析模型，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）分別進行了結構設計參數的優選，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。
  11. Fifty nine accessions of soybean [ glycine max ( l. ) merr. ] of 301 ones from huanghuaihai and middle - lower changjiang valleys were tested at seedling stage in two years for their drought tolerance by using the mean membership index value averaged over those of plant height, leaf number, root dry weight, stem and leaf dry weight. 4 tolerant accessions ( rank 1 ) and 2 sensitive ones ( rank 5 ) were identified

    摘要從301份大豆品種中按根系類型選取黃淮海和長江中下游地區代表性材料59份，在苗期乾旱脅迫和非脅迫條件下對地上部和地下部性狀進行2年重復鑒定，發現材料間性狀隸屬函數值具有豐富遺傳變異，以株高、葉齡、根干重和莖葉干重隸屬函數的算術平均數為抗旱綜合指標，從中篩選出漢中八月黃、晉豆14 、科豐1號、圓黑豆等強耐旱型（ 1級）材料和臨河大粉青、寧海晚黃豆等乾旱敏感型（ 5級）材料。
  12. ( 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 、多元分析及數量化理論，科學地提出了南洞庭湖景觀生態數字化評價模式，篩選了濕地景觀九個因子，制定了景觀因子等級標準體系，建立了濕地景觀項目（ 9 ） -類目（ 34 ）系統，完成了86個景觀樣本景觀因子的數字化。
  13. The method of preparing the uniform coating, the techniques of thermal bonding and hydrogen plasma treatment was investigated experimentally. the optimum coating method and technological parameters was summarized

    重點探索了塗覆金剛石納米塗層的方法、實現金剛石與金屬鈦的熱粘接工藝以及氫等離子體處理的工藝參數，篩選出了在本實驗系統中的最佳方法和工藝條件。
  14. First, polytetrafluoroethylene ( ptfe ) composites filled with various contents of glass fibers ( gf ) and graphite were prepared by compression molding. the screening friction and wear tests were carried out in a reciprocating sliding tribotester. it is found that the optimal ptfe composite was a ptfe - 25wt. % gf - 5wt. % graphite amongst the composites

    採用石墨與短玻璃纖維（ sgf ）填充ptfe ，制備出一系列ptfe復合材料，在往復式滑動摩擦試驗機進行篩選試驗，結果發現: ptfe - 25 % sgf - 5 %石墨復合材料的摩擦系數與比磨損率都比較低。
  15. 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

    本項研究篩選出了構成運行化作物遙感識別技術體系的一系列數據復合分析方法，包括gps 、 gis數據以及其它田間作業信息與rs數據之間的復合，確立解譯標志和劃分作業區； rs數據之間的復合，進行圖像增強，改善非監督分類效果； gis數據之間的復合，分析作業區作物結構、物候和耕作制度現狀，地圖拼接、特徵提取等。
  16. 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計劃數據分析組的工作，開發軟體用以篩選變異點進行基因研究及計算人與人之間的基因關系。
  17. 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，在堅持定性分析與定量分析相結合、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，土壤樣品的理化分析，土壤侵蝕影響因素的分析，利用數理統計分析方法，篩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分及權重的確定，從而建立了評價指標體系。
  18. High throughput screening system is reviewed primely in this article, with emphasis on factors such as acting targets, suitability of assay methods to various targets, major parameters and efficiency evaluation, which play important roles in designing and implementation of high throughput screening system

    摘要本文在簡要介紹藥物高通量篩選體系的基礎上，就組建高效能的高通量篩選體系需要關注的因素，如作用靶點、測試方法、檢測方法與作用靶點的匹配、關鍵參數、效能評價等進行了重點闡述，為高通量篩選體系的設計和實施提供了有益的借鑒。
  19. 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

    摘要根據模糊數學及數理統計理論，通過分析破碎篩分系統選型的參考因素，介紹一種簡單易行的選型方案評價方法。
  20. 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分析中有關軌道篩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數據庫」中的碎片環境子系統。
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