combination selection 中文意思是什麼

combination selection 解釋
合併選擇
  • combination : n 1 結合,合併,混合,聯合,配合,組合。2 合作;共謀,同謀;同黨。3 〈pl 〉〈英國〉連褲襯衣。4 【...
  • 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。
  1. This thesis studies the law of affecting de - noise result and the selection of the threshold and the wavelet function, the combination of wavelet and fft in the fault diagnosis of turbine - generator sets : by the de - noise anslysis of blocks and sin signals, concludes : to blocks signals, usually adopts soft threshold ; the law of affecting de - noise result is when use wavelet auto - de - noise, with the increasing of decomposed level, the de - noise result becomes worse while the level blow the 3, when the level above 3 and when uses wavelet packet, it is the other way round ; the best de - noise methods of the signal is that uses " dbl " wavelet function, three level, soft and " rigrsure " threshold

    本文研究了分解層數對消噪結果影響的規律和閾值、小波函數的選取,結合小波分析與fft分析診斷汽輪發電機組的故障。通過對brocks和sin兩信號的分析,得出:對blocks信號進行分析一般採用軟閾值;分解層數對消噪結果影響的規律為用小波自動降噪在分解層數小於3時,隨著分解層數的增加,消噪結果變好,反之,則變差,用小波包降噪時隨著分解層數的增加,消噪效果變好;適宜選用dbl小波軟rigrsure閾值自動消噪。
  2. " longdao no. 3 " bred from offspring of " shangyu 397 ( mudanjiang 19 zhongguo 91 ) " through several years ' selection combination of bulk selection method, pedigree selection method and ecosystem selection method

    摘要龍稻3號是從上育397 (牡丹江19中國91 )的後代經多年運用集團選擇、系譜選擇和生態壓力選擇相結合的方法選育而成。
  3. Abstract : to counter the ore - rock with different characteristics, the theory of wave mechanics on impacting machinery was used in combination with the results of digital emulation study of hydraulic hammer machine to obtain the output impact energy of hydraulic hammer apparatus and the power of the main engine of hydraulic hammer machine, thus providing the basis for proper selection of the hammerhead and chassis of hydraulic hammer machine

    文摘:針對不同特性的礦巖,運用沖擊機械波動力學理論,並結合液壓碎石器的數字模擬研究結果,得出液壓碎石器的輸出沖擊能與液壓碎石機的主機功率,從而為合理選用液壓碎石機錘頭及底盤提供了參考依據。
  4. To counter the ore - rock with different characteristics, the theory of wave mechanics on impacting machinery was used in combination with the results of digital emulation study of hydraulic hammer machine to obtain the output impact energy of hydraulic hammer apparatus and the power of the main engine of hydraulic hammer machine, thus providing the basis for proper selection of the hammerhead and chassis of hydraulic hammer machine

    針對不同特性的礦巖,運用沖擊機械波動力學理論,並結合液壓碎石器的數字模擬研究結果,得出液壓碎石器的輸出沖擊能與液壓碎石機的主機功率,從而為合理選用液壓碎石機錘頭及底盤提供了參考依據。
  5. It can save the information near lips, which may be deleted by the method based on two points. ( 2 ) based on the analysis of current methods, a new multi - pose facial feature location algorithm is developed, which is based on the analysis of multi - feature and integral projection, the combination of an iterative search with a confidence function and template matching. the algorithm not only improves the location accuracy, but also speeds up a great deal. ( 3 ) based on the analysis of the advantages and disadvantages of current feature extraction methods, an adaptive facial feature selection criterion is developed, which is based on facial local feature protrusion consisting of several aspects, such as face image resolution and image quality

    其後研究了人臉特徵提取,一、討論了適合於多姿態人臉識別的基於三點仿射變換的人臉圖像歸一化方法,以克服基於兩點仿射變換會引起較大圖像信息損失的缺陷;二、在分析現有器官定位演算法的基礎上,提出了新多姿態人臉器官特徵定位技術,將多特徵和直方圖分析、基於置信度函數的迭代搜索和模板匹配相結合,既提高了器官定位精度,又提高了定位速度。
  6. The formula of selection index and mating combination were mainly made by two characters, daily gain and backfat, and inbreeding coefficient of offsprings, respectively

    其選擇指數公式的確立主要依據日增重,背膘厚這兩個主選性狀,選配計劃的制訂主要根據後代近交系數。
  7. In order to select male nucleo - sterile new genotype, a tentative idea was put forward for the nucleo - male sterility to attach a tps ( thermo - photoperiod sensitivity ) and a selection strategy of combination of selection and identification, at the same time, the spring and summer sowing method were used to provide different environment conditions of appraising sterility and tps. the results indicated that ( 1 ) sterility could be appraised under the spring sowing environment and tps could be appraised under summer sowing environment. ( 2 ) under spring sowing environment, sterility could be selected, but not maintained. thereby, lines selected could only be selected as recorded selection method in the experiment. ( 3 ) and then, selection was carried out from spring sowing line selected into summer sowing in same line with tps to select plants. these plants through the intercrossing selection had been combined with sterility and tps. in this way, a new selection protocol for selection sterile line with tps was formed. it mainly involves the spring and summer sowing method, recorded selection method and the intercrossing selection method

    為了選育新類型玉米雄性核不育系,提出了為玉米核不育性添加溫光敏感性的設想和選擇與鑒定相結合的策略,同時應用分期播種的方法為作物提供不同的生長和發育的環境條件,以鑒定玉米雄穗的育性變化和對不同環境條件溫光的反應.研究結果表明,春播環境下可鑒定和選擇玉米的不育性,夏播環境下可鑒定和選擇其溫光敏感性.針對玉米核不育性難以找到保持系的特性,結合兩種播期選擇兩種性狀.但春播環境下選擇的不育性群體難以通過選擇單株來保持其不育性,為記錄性群體選擇.通過從春播入選的雜合不育性優良株系群體轉移到其對應的夏播溫光敏感性入選的同一優良群體中進行優良單株選擇,能逐漸使不育性和溫光敏感性相結合而選育出純合溫光敏不育系.這種新的選擇程序主要包括應用分期播種法、記錄性選擇法和春夏兩季交叉式選擇法,使含有不育基因的可育株系逐步累積不育基因並增加了溫光敏感性而育成玉米溫光敏不育系
  8. The technical points in liquor blending mainly cover the following aspects : proper combination of different base liquor, selection of blending liquor according to different base liquor, and the purification of water used for blending

    勻兌主要是對不同的基酒進行組合和根據不同基酒選擇調味酒,以及勻兌用水的凈化處理。
  9. The sensitivity algorithm is a knowledge of research on the affection of parameters varies to system performance. combination with pressing force and infuse time predicted model, by using sensitivity algorithm, the affection of cast temperature, mould temperature and infuse pressure on infuse time is researched deeply, and the affection of cast temperature, infuse time and infuse pressure on the pressing force in the origination stage of extrusion process. the sensitivity analysis has huge instructing significance to the selection of parameters

    靈敏度演算法是分析參數變化對系統性能影響的一種有效工具,所以本文引入靈敏度演算法,結合壓制力和浸滲時間預測模型,深入研究了澆注溫度、模具溫度和浸滲壓力對浸滲時間的影響關系,以及澆注溫度、模具溫度、浸滲時間和浸滲壓力對擠壓過程起始階段壓制力的影響,對于參數的選取,具有一定的指導意義。
  10. Another thing : the most developed species, like humans and apes, are products of a very specific combination of selection pressures and genetic mutations over millions of years

    約翰遜:還有,最先進的物種,比如人類和類人猿,是數百萬年前物競天擇的壓力和基因突變兩者結合作用下的產物。
  11. J : another thing : the most developed species, like humans and apes, are products of a very specific combination of selection pressures and genetic mutations over millions of years

    約翰遜:還有,最先進的物種,比如人類和類人猿,是數百萬年前物競天擇的壓力和基因突變兩者結合作用下的產物。
  12. Combination modes of air separation units with igcc power generation and process selection

    空分設備與煤氣化聯合循環發電的結合方式與流程選擇
  13. The method of individual selection and mating combination was described detailedly in this paper

    該文依據蘇鐘豬的有關資料,探討了蘇鐘豬的選種選配方案。
  14. Application of gray relational method dased on combination weighting in optimal selection of reinforcement proposals for bridges

    組合賦權灰關聯法在橋梁加固方案優選中的應用
  15. ( 5 ) according as different dispatching results under different parameters combination of aertashi reservoir, taking into account hydraulic, energy, investment index etc, the characteristic water level of aertashi reservoir are selected by applying fuzzy optimal selection theory and grey relation analysis theory, and the optimal parameter combination is recommended

    ( 5 )根據阿爾塔什水庫不同參數組合情況下葉爾羌河流域水庫群調度結果,考慮水利、動能、投資等指標,運用模糊優選理論和灰色關聯分析理論對阿爾塔什水庫興利特徵水位進行了優選,推薦了最優參數組合。
  16. Meanwhile, the paper searches for a plan of an urban type of eco - agricultural parks based on the combination of city ecology, sight ecology, economy ecology, recreation and sustainable development. several aspects have been researched, such as functional orientation and items selection, sight layout, recreation layout, eco - agricultural areas, and industrialization. organic combination of production ecology, and living function of parks is achieved

    進而,本文結合城市生態學、景觀生態學、生態經濟學、遊憩學、可持續發展等理論,探討城市型生態農業園區規劃的依據,在功能定位與項目選擇、景觀規劃、遊憩規劃、生態農業模式與產業規劃等幾個方面展開研究,使園區的生產、生態、生活功能有機結合,實現經濟、環境、社會三大效益協調統一。
  17. The transformations must be realized from the selection to the cultivation of talents in term of the test purpose, from the curricular education to the all - sided study and from the textbook knowledge to the practical innovation in term of test process, from the relative one to the combination of the absolute and individual one in term of test criterion, from unification to variation to in term of test method

    在考試目的上,要實現從甄別選拔到育人為本的轉變;在考試的導向上,要實現從課程教學向全方位學習,從注重書本知識向注重實踐創新的轉變;在考試標準上,要實現相對標準向絕對標準與個體標準相結合的轉變;在考試方法上,要實現從一元化向多樣化的轉變。
  18. The authour investigate the dosing conditions and effect of the pac to the huanghe water - source, which includes the following four parts : the selection of the pac ; the confirmation of dosing scheme and effect of the pac ; the research of application of potassium permanganate in combination with pac ; the research of the pac ' s modification and the modified effectiveness. the experiment is mainly carried out on the pilot system in the jieyuan water plan of tianjin. the results of the reseach include the following : l ) the pac from zunhua plant is selected as the better carbon for the source water of tianjin through the experiment ; 2 ) through the pilot experiment we conclude that the pac ' s best adding point is the mixing tank and the better dose is 10mg / l, on which the codmn of filtered water can be decreased to 40 % and the effluent have no problem of odour and color ; 3the adsorbing experiment show that pac mainly adsorb the organic matters which molecular wt., distribution between 500 and 3000, and can adsorb organic matters whose molecular wt., distribution are bigger than 6000 if the dose of it is adequent ; 4 ) pac together with potassium permanganate can remove the organic matter more effectively than each of them alone, and reduce the rising trend of turbidity of the flotation ' s effluent due to adding pac ; 5 ) the thesis made a research on the surface properties and the adsorbing capability of the modified carbon by oxidizer : the modified carbon with 20 % h2o2 can remove more organic pollutants than the untreated one by 12 % when we add a higher dose of coagulant ; 6 ) the modification of reduction and loading metal ions are also sttldied, and drow the following conclusions : the modified carbon with 5 % ammonia can enhance the organic matter ' s removal effectiveness by 10 % to the tianjin source water than the untreated one, and the modified one with loading metal ion remove the organic matters from the tianjin source water better ( 8 % ) than the untreated one due to the strong affinity betwween the humic acid and copper ion

    本文的實驗主要是在天津芥園水廠的中試系統上完成的,論文的成果和結論主要包括: 1 )通過靜態實驗選定河北遵化活性炭廠生產的煤質炭為適合天津原水的炭種; 2 )中試實驗確定粉末活性炭的較佳投加點為混合池投加,較佳投加量為10mg l ,此時可使濾后水的cod _ ( mn )降低40 ,且可較好地控制濾后水的嗅味和色度; 3 )初步確定粉末活性炭對原水中有機物的吸附主要集中在分子量在500 - 3000范圍內,投量增大時可吸附部分分子量大於6000的有機物4 )中試實驗表明:粉末活性炭與高錳酸鉀聯用可取得較兩者單獨應用時對有機物更好的去除效果,且對因投加粉末活性炭而造成的氣浮出水濁度升高有一定的改善作用; 5 )研究並初步確定氧化改性對粉末活性炭表面性質和有機物的去除效果的影響:粉末活性炭的氧化改性會使其表面的酸性官能團大量增強,表面極性增加;經20的過氧化氫改性的活性炭在增大混凝劑投加量( fecl _ 3投量為15mg l )時對有機物的總體去除效果較原活性炭提高12 , 1次氯酸鈉改性活性炭對有機物的去除效果較原活性炭提高6 ; 6 )研究並初步確定還原改性、負載金屬離子對原水中有機物的去除效果的影響:經5氨水改性的活性炭可提高天津源水中有機物的去除率達到10 ;負載銅離子后的活性炭可提高對腐殖酸類物質的去除能力,一般可提高8左右。
  19. According to the raman selection rule and the pl measurement, it is reasonable to evaluate the quality of galnp / algalnp mqw by analyzing the relative intensity ratio of a1p - lo / to. ( 4 ) a new modified random element isodisplacement ( mrei ) model is set up to calculate the dependence between the long - wavelength optical phonon frequencies and the composition of iii - v - type ab1 - xcx mixed crystals. the second neighbor force constants are still assumed to be a linear variation with the composition, but the two first neighbor force constants can be evaluated to be a negative exponent variation with the composition, using the overlapped repulsive potential of the ion crystal combination

    通過實驗我們找到了在這些結構參數上生產gainp algainpmqw的較理想的結果; ( 3 )首次用喇曼( raman )散射方法研究了常溫下的gainp algainp多量子阱結構,除了指認出喇曼光譜中各光學聲子模外,還結合樣品光致發光譜的測量結果,分析發現喇曼光譜中alp - lo to的相對強度比可以在一定程度上評定晶體gainp algainpmqw的生長質量; ( 4 )在修正的隨機元素等位移? mrei模型的基礎上建立了一個新模型,計算了ab _ ( 1 - x ) c _ x型?族半導體混晶的長波長光學聲子模頻率的組分變化關系。
  20. The contents in this dissertation are practical and the selection of the concrete technology and the idea of the overall design are all decided by the practical need, the maturer technology is used to realize the combination of theory with practice

    本文所包含的內容完全是面向應用的,具體的技術選擇與整體的設計思想完全根據實際的應用需求而定,採用的都是比較成熟的技術,實現了理論聯系實際。
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