混合選種 的英文怎麼說

中文拼音 [húngěxuǎnzhǒng]
混合選種 英文
mass selection
  • 混 : 混形容詞1. （渾濁） muddy; turbid2. （糊塗; 不明事理） foolish; stupid
  • 合 : 合量詞（容量單位） ge, a unit of dry measure for grain （=1 decilitre）
  • 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
  • 種 : 種名詞（姓氏） a surname
  • 混合 : （攙雜在一起） mix; blend; mingle; admix; mixture; mix up; interfusion; commixture; blending; cre...
  • 選種 : seed selection; strain selection
  1. Elutriation refers to the selective removal of fines by entrainment from a bed consisting of a mixture of particles sizes.

    揚析是指從由各種顆粒直徑的混合物形成的床層中選擇地夾帶出細粉顆粒的過程。
  2. The net result is that the eight groups of six bits are transformed into eight groups of four bits the four - bit outputs from the s boxes for 32 bits total. the final stage in the calculation of f is to do a permutation p of the s - box output to obtain the final value of f

    該服務器的se linux實現定義了一種混合的安全性策略，由類型實施（ te ） 、基於角色的訪問控制（ rbac ）和可選的多級別安全性（ mls ）組成，所以廣泛用於軍事安全性中。
  3. In this paper, a high performance sma system applied to steel bridge deck is put forth in allusion to the pavement project of the wuhan junshan yangtze river highway bridge. it comprises steel slab, zn coating layer, closing layer, adhesive, pre - mixed asphalt stone and dual layer sma from bottom to top. it is based on the fea results of the forces and deformation of the pavement layer by means of the algor feas, according to this bridge ' s traffic and the ambient temperature varying range of the pavement layer

    本文針對武漢軍山長江公路大橋鋼箱梁橋面鋪裝工程，從鋪裝層環境溫度變化范圍、交通量等使用條件出發，在用algorfeas有限元分析軟體分析鋪裝層受力變形基礎上，提出了（即鋼板+金屬鋅塗層+封閉層+粘接劑+預拌瀝青碎石+雙層sma ）的高性能鋼橋面sma鋪裝體系，並對這種sma的組成材料，包括改性瀝青、集料、礦粉、纖維進行了比較研究，設計了這種sma的配合比，對sma混合料的性能進行了對比試驗，對這種sma方案進行了疲勞性能研究，驗證了所選擇sma方案的可行性。
  4. Because callow birds had not be marked with rings in the early period of protection, the pedigree was confused. so, it is very difficult to carry out artificial pairing. for its reference value to set reasonable breeding plan, the pedigree chart constructed by us can be applied in the protection to crested ibis. according to a good breeding project, inbreeding can be avoided and gene exchange can be increased

    由於在朱?保護的初期階段未能對離巢幼鳥進行環志，故現存朱?的譜系關系混亂，給人工選種配對帶來了困難；我們所構建的譜系圖可以在一定程度上應用到西北大學碩士學位論文沐潭鳥保護的實際工作中，為合理地制定繁殖考。
  5. We select polyethelyne as fundamental resin, natural scale graphite, expanded graphite by self - made, expanded graphite as conductive fillers to synthesize conductive composite through different techniques of compound mixing. the effects of the conductive composites of different conductive fillers and the different dosage of conductive fillers, different technology and the different dosage of compatibilizer ( mah grafted pe ) were studied respectively

    本論文就是據于這種思考，選用聚乙烯為基體樹脂，天然鱗片石墨、膨脹石墨、膨化石墨為導電填料，通過選用不同的混合方法合成復合導電材料。研究了不同的導電填料及其用量、不同的工藝方法及相容劑的不同用量對復合體系性能的影響。
  6. In this text, we first do some research on the genetic algorithm about clustering, discuss about the way of coding and the construction of fitness function, analyze the influence that different genetic manipulation do to the effect of cluster algorithm. then analyze and research on the way that select the initial value in the k - means algorithm, we propose a mix clustering algorithm to improve the k - means algorithm by using genetic algorithm. first we use k - learning genetic algorithm to identify the number of the clusters, then use the clustering result of the genetic clustering algorithm as the initial cluster center of k - means clustering. these two steps are finished based on small database which equably sampling from the whole database, now we have known the number of the clusters and initial cluster center, finally we use k - means algorithm to finish the clustering on the whole database. because genetic algorithm search for the best solution by simulating the process of evolution, the most distinct trait of the algorithm is connotative parallelism and the ability to take advantage of the global information, so the algorithm take on strong steadiness, avoid getting into the local

    本文首先對聚類分析的遺傳演算法進行了研究，討論了聚類問題的編碼方式和適應度函數的構造方案與計算方法，分析了不同遺傳操作對聚類演算法的性能和聚類效果的影響意義。然後對k - means演算法中初值的選取方法進行了分析和研究，提出了一種基於遺傳演算法的k - means聚類改進（混合聚類演算法） ，在基於均勻采樣的小樣本集上用k值學習遺傳演算法確定聚類數k ，用遺傳聚類演算法的聚類結果作為k - means聚類的初始聚類中心，最後在已知初始聚類數和初始聚類中心的情況下用k - means演算法對完整數據集進行聚類。由於遺傳演算法是一種通過模擬自然進化過程搜索最優解的方法，其顯著特點是隱含并行性和對全局信息的有效利用的能力，所以新的改進演算法具有較強的穩健性，可避免陷入局部最優，大大提高聚類效果。
  7. In addition, the paper designs a bottom database model, selects a multi - aim strategy combining files with known data, and establishes dual interaction data model that has explicit conceptual structure and directly aims to geographic objects, and provides backing up enquiry language ( g - sql ). simultaneously, after analyzing and studying methods available for the under pipelines, the paper constructs survey adjustment calculation model, and according to the model, checks the survey of under pipelines. the results indicate that the model is suitable to actual requirement because it greatly increase calculation speed, meeting calculation accuracy requirement

    在此基礎上，對系統的底層數據模型進行設計，選擇了文件與成熟數據庫相結合的混合策略，併兼顧面向對象的數據庫（ oodb ）和可擴充數據庫（ edb ）的特點，建立了一個概念層次清晰、面向地理對象實體的雙層語義數據模型以及支持模型的查詢語言g - sql ，同時對地下管線的各種測試方法進行分析研究，建立了地下管線測量平差計算模型，並以此對所勘測的地下管線進行核算，計算結果表明，計算模型不僅大大提高了核算的速度，同時在計算精度上也符合核算的要求，是符合實際要求的關于測量平差計算的模型。
  8. The beheviour of four low - molecule weight organic acid lactic acid, hydroxy - acetic acid, mercapto - acetic acid, glyconic acid as iron - containing silicate - aegirines depressants on the hematite direct flotation is investigated in this paper. the results of flotation tests with pure minerals, artificial mixture of minerals and naturally occurring ore show this depressants have good selectivity in flotation. the flotation separation of hematite from aegirine is achieved successfully with the four depressants

    本文研究了四種小分子有機酸抑制劑乳酸、羥基乙酸、巰基乙酸、葡糖酸在赤鐵礦正浮選中對含鐵硅酸鹽脈石霓石的抑制行為，純礦物、人工混合礦與實際礦石浮選實驗均證明了它們具有良好的選擇性抑制作用，可以成功地實現赤鐵礦與霓石的浮選分離。
  9. This thesis explains the necessity of the character recognition technology of the computer at first, describe the meaning in which the handwritten numeral discerns ; pretreatment technology of handwritten numeral recognition, including two value, line segmentation, word segmentation smooth, removing noising, standardization and thinning are discussed two value concretely discusses whole threshold value, some threshold value, dynamic threshold value and utilize space information to carry on threshold, which are several kinds of common method of choosing threshold value, especially utilize space information to carry on threshold value is describe in detail ; adopting to the foundation of thinning based on mathematics morphology, thinning algorithm of serials same and thinning algorithm of protecting shape are discussed ; afterwards, according to principle ' s diagram of the on - line character recognition, by analyzing the structure feature of the handwritten numeral, this thesis has proposed the online recognition te chnology of the free handwritten numeral based on the stroke feature and the online recognition technology of the free handwritten numeral based on the multistage classifying device. detail narrated noise removing, stroke characteristic definition and discernment, distance criterion of whole word match ; then under the foundation of handwritten numeral segmentation, off - line handwritten numeral recognition is researched. especially minimum distance classifying device, tree classifying device and adaptive resonance ( art ) network classifying device is discussed at the same time, believes degree analyses are introduced to integrate a lot of classifying devices ; at the end, the typical application of the handwritten numeral recognition was briefly narrated, its application in extensive data statistics, financial affairs, tax, finance and mail sorting have been explored

    二值化時對整體閾值二值化、局部閾值二值化、動態閾值二值化和利用空間信息進行閾值選取幾種常用的閾值選取方法進行討論，特別對利用空間信息進行閾值選取進行了詳細論述；在對通過對基於數學形態學的細化的基礎上，討論序貫同倫形態細化演算法和保形的快速形態細化演算法；然後依據聯機字元識別原理框圖，分析了手寫數字的結構特點，提出了基於筆劃特徵的任意手寫數字在線識別技術和基於多級分類器任意手寫數字在線識別技術，對其中涉及的筆劃識別前的噪聲處理、筆劃間特徵量的定義及識別、整字匹配的距離準則進行了詳細敘述；繼而在對手寫數字的分割的基礎下對脫機手寫數字識別進行了研究，對基於最小距離分類器字元識別、基於樹分類器的字元識別、基於自適應共振（ art ）網路的字元識別分別進行了詳細討論，並引入置信度分析將多個分類器進行了混合集成；最後簡單闡述了手寫數字識別的典型應用，對其在大規模數據統計、財務、稅務、金融及郵件分揀中的應用進行了探索。
  10. The contrast experiment of twig propagation of fast - growing castanopsis fissa by four treatments in three different cutting medium indicated : the cutting medium has a significant effect on the survival rate, the interaction of the cutting treatment and the cutting medium has evident effect on the survival rate. castanopsis fissa twig which is cut and planted at once has the best survival rate in the cutting medium of garden soil mixed with sands. it reaches 87. 5, but in the garden soil, it reaches only 70, and in other mixture, it is below 20. therefore, had better be planted in the medium of garden soil mixed with sands, and be planed after cutting at once

    速生菇木樹種? ?黧蒴栲嫩枝經過3種插床基質和4種插條處理的扦插對比試驗，結果表明：插床基質對其扦插成活率有極顯著影響；插條處理及其插床基質的交互作用對扦插成活率存在顯著影響；黧蒴栲嫩枝扦插在園土十河砂混合基質上現剪現插最好，成活率可達87 . 5 ，在園土基質上現剪現插次之，成活率可達70 ；而其它組合成活率都不到20 ，黧蒴栲嫩枝扦插生產上應選用園土或園土+河砂作為插床基質，並要現剪現插。
  11. ( 3 ) planar full - crank five - bar mechanisms without uncertainty singularity are chosen to construct a hybrid mechanism generating the given path. a mathematical model is set up to optimize the dimensions of five - bar mechanism with the minimal power consume of the controlling motor by the improved genetic algorithms. an example is given to show the effectiveness of the mathematical model

    （ 3 ）第四章中，選取全曲柄五桿機構中的三種類型機構作為混合驅動機構，以減少用於控制其一連架桿運動的步進電機所消耗的功率為目的，建立相應的數學模型，用改進的遺傳演算法對該五桿機構進行優化綜合，求得尺寸參數。
  12. Exsiting calibration methods are classified as ( 1 ) methods using point targets and distributed targets ; ( 2 ) methods using only distributed targets and ( 3 ) methods using only point targets. then the typical algorithms of every methods are given in which those of method ( 1 ) and ( 2 ) are modified based on a quantity of literatures

    然後在眾多演算法中挑選了三種技術的典型演算法，在綜合多篇文獻的基礎上，給出修正的混合點目標和分佈目標的定標演算法：對所選的分佈目標演算法本人進行了修正，並給出了這個修雁的演算法；點目標演算法則按照原文獻給出。
  13. Then, an improved genetic algorithm is proposed to solve this problem. this algorithm makes trees with the source and all destinations are the space of operation and filter operation. with hybrid selection operator, competition among brothers, greedy operation, filter operation

    然後給出了一種基於遺傳演算法的實時多播路由選擇方法，並用改進的遺傳演算法進行了求解，該演算法採用包含源節點和目的節點的樹作為交叉和變異的空間的方法，通過加入混合選擇、小范圍競爭擇優的交叉變異操作，提高了全局搜索能力和收斂速度。
  14. Veneer dyeing can improve wood visual characteristics and imitatethe color and luster of precious wood species, to increase the decorative effect. the veneers of hardwood species such as % populus tomentosa, paulownia elongata % were adopted to make dyeing experiments by using acid dyestuff. the result shows : the acid dyestuff in textile industry could be used in wood dyeing process. compound dyeing can be adopted by using the mixture of several kinds of dyestuff. the different treatment methods before the wood was dyed affects the dyeing effect of wood. there is a great difference in the deformed degree of dyeing veneers, smooth level has a relation with wood density. the density of dyestuff, dyeing time and dyeing temperature and so on have many influences on dyeing effect. different technological process has been used in veneers of different wood speicies

    木材單板染色有利於改善木材視覺特性，可以實現模仿珍貴樹種木材的色澤，提高裝飾效果.該研究選取毛白楊和泡桐等闊葉樹種木材單板採用酸性染料進行染色實驗，結果表明：紡織工業用酸性染料可用於木材染色，也可以採用幾種染料混合復合染色；木材染色前的不同處理方法影響木材的染色效果；染色單板的變形程度有較大差異，平整度與木材密度相關；染料濃度、染色時間和染色溫度等對染色效果有較大的影響，不同樹種單板應採用不同工藝
  15. This thesis is to analyze the project of ertan hydropower station in order to have an optimizing selection of the place for sand & stone by the means of systems analysis. this thesis will built a system to seek a best scheme about optimizing selection of the place for sand & stone by the means of analyzing and counting the basic data, building different mathematical modeling on base of man - made & machine - made stone, using dug stone and different sources of crude stone and the mixture of several material

    本文以實際工程為例，建立了料場的優化選擇系統，對原始數據的採用進行分析計算，針對人工砂石料、石碴料的利用、天然砂石料幾種不同的料源及幾種料源混合使用的情況，分別建立數學模型，進行解算，尋求較優的砂石料場選用方案。
  16. In the third experiment, we first constructed a test model of differentiation from mouse es cells to cardiomyocytes. then series of dilutions of three chemicals were screened on this platform. the combination of all trans retinoic acid and dmso is employed as positive control

    實驗三首先建立了一個小鼠胚胎幹細胞定向分化成心肌細胞的實驗平臺，然後採用了3種心肌疾病相關的藥物：黃芑生脈飲、 1 ， 6二磷酸果糖和hg （代號） ，在此定向分化的實驗平臺上進行了一系列濃度的藥物篩選，實驗採用視黃酸和dmso的混合誘導劑作為陽性對照。
  17. Jasmine massage oil is a unique combination of sunflower oil, vitamin - e and pure jasmine oil that nourishes the skin with moisture, absorbs easily, leaving your skin soft and silky without greasy feeling

    茉莉按摩油是一種獨特的混合精選的向日葵油、維他命e和純茉莉油，能補充皮膚水份和易於吸收，且能使你的皮膚更好的吸收養分，讓你的皮膚感受不到多油，而是柔滑如絲的。
  18. According to the math model of order picking and the structure of fixed shelf, it builds a circular route applied to engineering application and being easy to program

    結合揀選作業的數學模型和固定貨架的物理結構，構造了一種適合工程應用、編程簡單的環狀作業路徑，並將該演算法與最近鄰居法和混合遺傳演算法進行了分析比較。
  19. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求，課題期間研製了下位機系統硬體和軟體，開發了上位機監控軟體，其中所作的具體工作包括：測量原理的研究和在系統中的實現，在本次設計中用三種方法來進行水位測量，分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法；主控晶元的選擇，我們選用了高集成度的混合信號系統級晶元c8051f021 ；實現了信號的採集和處理，包括信號的轉換和在單片機內的運算；高集成度16位模數轉換晶元ad7705在系統中的應用，我們完成了它與單片機的介面設計及程序編制任務；精確時鐘晶元ds1302在系統中的應用，在此，我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬，該晶元的應用給整臺儀器提供了時間基準，方便了儀器的使用；另外，針對研製任務的要求，還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測，該部分的實現是通過採用ad421晶元來完成的，本設計中完成了ad421與單片機的spi介面任務，協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系，並完成了程序設計；與上位機的通信介面設計，該部分通過兩種方法實現： rs232通信方式和rs485通信方式；系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  20. Analysis of genetic relatedness of traits and its selection in early generation on winter wheat in the shuttle breeding between irrigation and drought planting environments

    水旱協調選擇混合育種中冬小麥性狀遺傳相關分析及其早代性狀選擇
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