selection technique 中文意思是什麼

selection technique 解釋
選擇技術
  • selection : n. 1. 選擇;挑選;選拔。2. 拔萃;選擇物;精選物[品];文選。3. 【無線電】分離,(自動電話)撥號。4. 【生物學】選擇,淘汰。
  • technique : n. 1. (專門)技術;(藝術上的)技巧,技能。2. 手法〈如畫法,演奏法等〉。3. 方法。
  1. In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions

    本文從試驗及試驗資料入手,取得以下主要成果和結論:對鹽堿地水稻節水灌溉技術進行優化研究,系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響,採用了多目標模糊優化的方法,對灌水技術進行綜合評判,優選了節水灌溉技術,論證該地區宜採用水稻控制灌溉技術;闡述控灌技術通過調節和控制水稻的需水規律,降低水稻高產情況下的無效水量消耗,從水稻生理、生態節水兩方面分析了控灌技術節水機理,針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點;通過控灌與淹灌的定量對照比較,從根系、莖蘗、冠層葉片及綠葉動態到株高,土壤水分變化,抗病蟲害、抗倒伏能力,稻田土溫變化,產量構成因素及稻米品質等諸多方面進行動態比較,分析控灌技術高產優質機理;在鹽堿稻地採用控制灌溉+間歇淋洗模式,跟蹤測試田間水鹽變化狀況,驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性,通過分析水稻控制灌溉淋洗條件下水稻生理生態指標,提出優化控制灌溉+間歇淋洗組合模式,為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。
  2. In the sub block circuit design, the contents that the author had introduced include : the principle of band gap voltage reference and the design technique in low power supply ; the analysis of spike pulse noise rejection, frequency divider and dead time in oscillator and control circuit ; the selection of the width and length ratio of four switches and 2x / 1x mode change point in driver and mode selection circuits

    在子電路設計中,作者比較深入分析的內容有:基準電路的原理及低電源電壓下基準電路的設計;振蕩器和控制電路中尖峰脈沖噪聲抑制、兩分頻電路及死區時間設定;驅動及模式選擇電路中開關管的寬長比的選擇及模式轉換點的設計。
  3. A study on technique of selection and cultivation in gladiolus introduction

    唐菖蒲引種篩選及栽培技術研究
  4. This paper summarizes the recent developments in technique and product of computerized circular knitting machine in the world, including its electronic needle selection and the sinkes, muti - color striping, garment length and intarsia knitting technology and so on

    摘要文章綜述了世界主要電腦圓緯機製造廠商近年來在技術和產品研發方面的動態,其中包括電子選針與選沉降片、電子多色調線、計件衣坯和嵌花編織技術等。
  5. In chapter two, the basic principles of rempi technique are introduced including the resonance enhanced effect, the selection rule, the mechanism of photoionization and photodissociation, rempi rate equation and the property of rydberg state

    第二章介紹了rempi技術的基本原理,包括多光子共振躍遷的選擇定則、電子態的光解離機理、描述rempi過程的速率方程和分子rydberg態的性質。
  6. The database system facing the selection and cultivation support for cadres in the army supply a decision - making support for cadres ’ appointment and remove by the introduction of advantaging technique of database and the primary mining and analysis of data to realize informative 、 scientifically in the management of cadres in the army, informationalization and scientiztion for military officer management

    通過對建立面向幹部選拔的主題數據倉庫,進行聯機分析( olap )和數據挖掘( dm ) ,從中提煉出利於分析和決策的綜合信息,獲得大量有用知識,為幹部的選拔任用和選擇更加合理的培養方案提供決策支持。
  7. Phage display describes a selection technique in which a peptide or protein is expressed as a fussion with a coat protein of bacteriophage, resulting in display of the fused protein on the surface of the virion, while the dna encoding the fussion resides within the virion

    自1985年gpsmith首次提出噬菌體展示技術以來,隨著生物技術的發展,噬菌體隨機肽庫已成為研究分子間相互作用的有力工具,特別是在抗原表位研究方面。
  8. Breeding of indica hybrid rice xieyou 218 with resistance to bacterial leaf blight by marker - assisted selection technique

    採用分子標記技術育成優質抗病雜交稻新組合中優218
  9. The selection of material system and manufacture technique of large size and high performance antenna radome are introduced in this article

    摘要本文主要介紹了大尺寸高性能雷達天線罩選用的材料體系、成型工藝和製造技術。
  10. The selection and breeding of the new variety spring wheat tiechun 3 and its culture technique

    春小麥鐵春三號的選育及栽培技術
  11. 4flowery colors and durability. the extemal coating of the aluminum suspended ceiling has adopted the german aluminizing technique and imported pvdf or pe dope. it has the advantages of strong adhesion acid alkali resistance corrosion prevention, aging resistance and uv resistance. there is a wide range of rourine colors for your selection, we accept customizing orders if necessary

    滾塗鋁天花吊頂表面塗裝採用了德國漢高皮膜鋁化技術及進口pvdf氟或pe塗料,具有附著力強,耐酸,耐堿,耐腐蝕,耐衰變,耐紫外線照射等特點。
  12. In the algorithm frame, the co - evolution algorithm combing with the niche technique, the selection mode of face - to - rank and pareto classifier, makes the solution of system be global optimal, not local optimal ; and the single objective optimal solution is extended to multiple objective pareto optimal solution

    在演算法框架中,協同優化演算法結合了小生境技術、面向排序的選擇模型以及pareto過濾器,使系統設計目標從局部最優進化到全局最優,同時把混合流水生產系統的優化從單一目標最優解擴展到多目標的pareto最優解。
  13. The problem of the cure - rate incompatibility in dissimilar rubbers, including the selection of optimum vulcanization system, the modification of rubber, the use of dynamic vulcanization technology and the selection of optimum blending technique were reviewed with 25 references

    摘要硫化不相容性是橡膠共混中的重要問題,解決硫化不相容性的方法主要是:選擇合適的硫化體系,對橡膠進行化學改性,採用動態硫化技術和選擇合適的共混工藝。
  14. The preliminary results obtained by solving n - s equations show - viscous effects clearly. in addition, based on euler equations the effects of point distribution, cloud structure and weight selection on computational results have been analyzed, which results in having a convenient technique of point distribution in the computational domain and a rule of point selection forming an appropriate. clouds of points used in the computation

    此外,論文結合無粘euler方程的求解,對無網格演算法涉及的計算域內點的分佈、當地點雲結構及空間導數逼近的加權因子等問題對計算結果的影響進行了分析和比較,完善了方便的區域離散布點方法,明確了點雲生成選點準則。
  15. Abstract : a brief introduction to scientific research in the three gorges project ( tgp ) and the applications of research achievements is given, which include treatment of newly slited layer on the foundation of the first stage earth - rock cofferdam, dumping bottom technique of river closure in deep water, construction of cut - off walls in the second stage earth - rock cofferdams, 3 - d computer simulation of river closure, concrete casting alternatives and selection of major construction equipment for the second stage construction optimization of durability of raw materials of concrete, deep sliding resistance and stability of the intake dam section, the section of the intake of the power station, the intake penstock of the power station, layout and hydraulics problems of shiplocks, stability of high slopes of shiplocks, and optimization of the system structural anchor bars to reduce the risk of cracking in the concrete wall and 700mw turbine generator units

    文摘:介紹三峽工程的科研項目,綜述三峽工程開工以來的主要科研成果及工程應用情況,包括:一期土石圍堰基礎處理與施工技術;大江截流上下游土石圍堰平拋墊底研究;二期圍堰防滲工程研究;大江截流計算機科學管理;大壩混凝土澆築方案及主要施工機械選型;混凝土的原材料和耐久性優化試驗研究;大壩基礎深層抗滑穩定研究;三峽電站進水口型式研究;鋼襯鋼筋混凝土引水管道研究;蝸殼打壓、廠壩間伸縮節問題研究;永久船閘的引航道布置、輸水系統及水力學、高邊坡穩定、混凝土襯砌墻的結構與支護研究;特大型水輪發電機組的科學研究。
  16. A brief introduction to scientific research in the three gorges project ( tgp ) and the applications of research achievements is given, which include treatment of newly slited layer on the foundation of the first stage earth - rock cofferdam, dumping bottom technique of river closure in deep water, construction of cut - off walls in the second stage earth - rock cofferdams, 3 - d computer simulation of river closure, concrete casting alternatives and selection of major construction equipment for the second stage construction optimization of durability of raw materials of concrete, deep sliding resistance and stability of the intake dam section, the section of the intake of the power station, the intake penstock of the power station, layout and hydraulics problems of shiplocks, stability of high slopes of shiplocks, and optimization of the system structural anchor bars to reduce the risk of cracking in the concrete wall and 700mw turbine generator units

    介紹三峽工程的科研項目,綜述三峽工程開工以來的主要科研成果及工程應用情況,包括:一期土石圍堰基礎處理與施工技術;大江截流上下游土石圍堰平拋墊底研究;二期圍堰防滲工程研究;大江截流計算機科學管理;大壩混凝土澆築方案及主要施工機械選型;混凝土的原材料和耐久性優化試驗研究;大壩基礎深層抗滑穩定研究;三峽電站進水口型式研究;鋼襯鋼筋混凝土引水管道研究;蝸殼打壓、廠壩間伸縮節問題研究;永久船閘的引航道布置、輸水系統及水力學、高邊坡穩定、混凝土襯砌墻的結構與支護研究;特大型水輪發電機組的科學研究。
  17. Sun jing, tang can - ming, yuan xiao - ling, zhu xie - fei, zhang tian - zhen. selection technique for transgenic bt cotton using kanamycin as an indirect iden - tification marker. acta gossypii sinica, 12 ( 5 ) : 270 276

    孫敬,唐燦明,袁小玲,朱協飛,張天真.利用卡那黴素間接鑒定法進行大規模的棉花轉基因育種技術.棉花學報, 2000 , 12 ( 5 ) : 270 276
  18. Studying various pretreatment for the probe image and applying the pixel threshold selection technique to distinguish the probe from wafer and adjust the measurement position automatically

    研究了探針圖像的圖像增強和閾值選擇問題,識別探針並自動調節探針測試位置。
  19. Isolation and purification of mesenchymal stem cells of mice with immunomagnetic beads negative selection technique

    應用免疫磁珠負選法分離與純化小鼠骨髓間充質幹細胞
  20. 3. the third part discusses the threshold selection technique in image processing, and presents an automatic threshold selection method. 4

    著重介紹了圖像處理中閾值選取的常用方法,提出了一種有較強針對性的閾值優化自動選取的方法。
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