篩選分類法 的英文怎麼說

中文拼音 [shāixuǎnfēnlèifǎ]
篩選分類法 英文
sifting sort
  • 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
  • 分 : 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
  • 類 : Ⅰ名1 （許多相似或相同的事物的綜合; 種類） class; category; kind; type 2 （姓氏） a surname Ⅱ動詞...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 篩選 : dressing by screening; screen; preparation by screening; preparation; choose by means of a sift; ...
  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. In this paper, the 126 endophytes from healthy ginkgo biloba l. were isolated and screened eight strains produced flavonoids substances by hplc - uv

    摘要從健康銀杏植株中分離到126株內生菌，並通過hplc - uv檢側方法篩選到8株內生菌產黃酮類物質。
  3. In order to study the influence factors of aoa of rose flowers, the effects of drying and extraction methods on the aoa of rose flowers were investigated. the results indicated that drying after high - temperature short - time pretreatment was rather effective to maintain their aoa ; the aoa of water extracts was stronger when the temperature was raised from 25 to 100 ; by using orthogonal test, the optimum extraction conditions of rose flowers were : solvent - 75 % ethanol ; ratio of material and solven - 1 : 10 ; extraction times - three times with 24 h at one time, at the room temperature. the extracts obtained by 75 % ethanol were fractionatedly extracted with petroleum, diethyl ether, ethyl acetate and n - butanol in turn, and the various fractions " aoa were analyzed

    為了探討玫瑰花抗氧化活性的影響因子，比較了不同乾燥方法、提取方法對其抗氧化活性的影響，發現：經短時高溫處理后再進行乾燥有利於較好地保持玫瑰花的抗氧化活性；以水作溶劑提取時， 25 100范圍內水提液的抗氧化活性隨著溫度的升高而增強；通過正交實驗篩選得到常溫下玫瑰花抗氧化活性物質的最佳提取方法為： 75乙醇為溶劑，液料比1 ： 10 ，提取3次，每次24h ； 75乙醇提取物依次用石油醚、乙醚、乙酸乙酯、正丁醇等有機溶劑進行兩相分部萃取，發現玫瑰花的抗氧化活性物質主要存在於乙酸乙酯部，說明玫瑰花抗氧化活性主要成分可能是單寧類、黃酮苷類和原花色素類化合物； 4
  4. Secondly, introducing the image analyzing technology with reference to the disadvantages of the traditional ferr - graph analysis technology, and with the combination of characteristic parameter optimizing filtration so as to raise a description method of debris micro - morphologic character. thirdly, with the application of mode recognition method, completing the process of debris auto - recognition based on the collected information of the debris configuration characteristics ; and conducting the diagnosis on the aero - engine wear faults according to the theory of particle tribology. fourthly, introducing information fusion technology to solve the problem that a single method can not collect enough fault premonitory information to conduct the wear fault diagnosis, hence to conduct the research and exploration in the field of comprehensive diagnosis on the aero - engine ' s multi - fault premonitory information

    本文的研究工作主要包括以下五個部分：首先，介紹航空發動機常見的磨損故障類型，研究磨損故障的失效機理，分析磨粒的產生機理、分類以及形態特徵：其次，針對傳統鐵譜分析技術的缺點，引入圖像分析技術，再結合特徵參數優化篩選，形成基於圖像的磨粒顯微形態學特徵描述方法：然後，基於提取到的磨粒形態特徵信息，應用模式識別方法完成磨粒自動識別，並根據顆粒摩擦學的基本原理進行航空發動機磨損故障的診斷與定位：再后，鑒于單一方法不能提取足夠的故障徵兆信息進行磨損故障診斷，本文引入信息融合技術，開展航空發動機多故障徵兆信息綜合診斷方法的研究與探索；最後，基於航空發動機滑油光譜分析與鐵譜分析數據，應用時序模型、灰色模型以及組合模型進行磨損故障的預測方法研究。
  5. This paper studies using the k - means clustering algorithm to classified the obtained image, submits through two phases to retrieve the image and adjusts the weight using the relevant feedback method

    本文研究利用k均值聚類方法對檢索得到的圖像進行分類，通過兩階段提交對圖像進行篩選，並利用相關反饋方法來調整權重。
  6. It is difficult to conform the derivations of the native heavy minerals, so the author assumes corresponding procedures as follows to accomplish the research task : firstly, according to the composition typomorphic peculiarities of minerals deriving from mantle, the author selected a part of minerals as preliminary reseach objects from the native heavy minerals and then further investigate the mantle ones and their host rocks in two ways : one is the method of comparation with the corresponding minerals of rocks deriving mantle in the research field and other places ; anorther is the method of multivariate statistical analysis

    本次工作為了盡可能地排除非幔源礦物的干擾，根據陳光遠（ 1990 ） 、潘兆櫓（ 1994 ）等學者有關礦物成分標型的論斷，篩選出地幔特徵元素含量較高的重砂礦物做為初步研究對象，為達到研究目的採取了如下方法：與區內已發現的幔源巖石（如鉀鎂煌斑巖等） 、國內外有代表性的堿性玄武巖、金伯利巖、鉀鎂煌斑巖的深源包體中的相應礦物進行對比研究的方法；多元統計分類的方法。
  7. 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。
  8. This paper chiefly has the below management achievements : ( 1 ) from the angle of strategy, " increase pole " theory combining area economy has got the strategy fixed position location thoughts of the sincere software company of sichuan and competition tactics. even if by the technique innovation is the foundation, and who after screening establishes and constructs establishes the difference competition superiority of enterprise on " increase pole " platform with the tool in the analysis the strategy method ; ( 2 ) appling organization behavior theory, 1 set " value model of strategy fixed position location " has been put forward on the foundation that we really apply. so, has gone on the quantitative analysis, and possessing certain persuading power ; ( 3 ) on the foundation studied in the whole course established to " value model of strategy fixed position location "

    本文主要有以下管理成果： 1 、從戰略管理學的角度，結合區域經濟的「增長極」理論得到了四川世誠軟體公司的戰略定位思想和競爭策略，即以技術創新為基礎，在運用戰略管理學的分析方法和工具篩選后確立和營造的「增長極」平臺上建立企業的差異化競爭優勢； 2 、運用組織行為學和投資學的理論，在實際應用的基礎上，提出了一套「戰略定位的價值模型」 ，並進行了定量分析，具有一定說服力； 3 、在對「戰略定位的價值模型」建立的全程進行研究的基礎上，結合不確定性管理理論，提出了一套「不確定性控制分析方法」並用以比較和分析了各種不同類型方案的價值回報和風險，以確立各方案對環境的反應水平，從而判斷其優劣； 4 、全面評價和綜合評估戰略管理思想在實際商務運作過程中的地位和范圍。
  9. In conclusion, the results of checking of physiochemistry items, uv spectrum data, chromatographic fingerprints test and safty evaluation indicated that gpif avivity evaluation samples were eligible. through the comparison of methods for evaluating immunobiologic activity and the choosing of optimum methods to evaluating immunobiologic activity, we created assay methods evaluating immunobiologic activity for quality standard of gpif. the research of dose - effect of gpif can also supply theoretical materials for pharmacology. that the experiments on the factors which affect the immunobiologic activity of gpif and the comparison with similar drugs demonstrated that gpif was a kind of cellar immunoregulating drug with stable and high immunobiologic activity

    綜上所述，通過對gpif免疫生物活性評價實驗樣品材料的準備，顯示由該工藝制備的實驗樣品材料理化性質穩定，活性成分含量充足，安全可靠，可以用來作為gpif免疫生物活性的評價;通過對gpif免疫生物活性評價方法的比較篩選及評價方法的優化，為gpif質量標準建立了較優免疫生物活性評價手段;同時gpif免疫生物活性劑量效應的發現，為該產品的免疫生物活性深入研究奠定了基礎，也為gpif藥效學研究提供了理論資料;對gpif免疫生物活性影響因素的探討及與同類藥品免疫生物活性的對比，證實gpif是一種免疫生物活性穩定、且具有高免疫生物活性的細胞免疫增強劑;同時，本研究也為同類產品免疫生物活性評價提供了方法學參考。
  10. The second phase it uses the ahp to select the right partner on considering the factors that influence the decision. the third phase it uses the dea to select partner from the candidate. the last phases it uses the portfolio and the multi - object theory to combine the partner

    第一階段利用粗選確定夥伴選擇的論域范圍；第二階段利用初選，採用層次分析法（ ahp ） ，綜合考慮影響決策的各類因素，篩選出合適的合作夥伴；第三階段精選，採用dea方法對候選夥伴進一步篩選；第四階段利用優化組合，用多目標理論對所選擇的合作夥伴進行最佳組合決策。
  11. This thesis contrasts and analyses the different calculation - method, and improves the genetic algorithm in the parameter inversion of the rock and soil engineering. the strategies are mainly in the following three aspects : 1, new searching way is compositely searching genetic algorithm which is made up of the acceleration method and genetic algorithm when it partially calculates in the later time ; 2, index function is inducted in gengetic operators, at the same time repeated select and double exchange pool are used ; 3, splicing crossover, which reserves some new evolution factions, improves authority function accaunting the capabilities and kinds

    本文對優化演算法中不同求解方法進行對比分析，針對遺傳演算法在巖土工程參數反演運算中進行了改進，改進的策略主要集中於三個方面： 1 、提出了在遺傳演算法中融入形加速法的改進方法? ?復合遺傳搜索法； 2 、針對遺傳運算元的選擇策略，引入指數適值方法，設置雙交換池，提出了重復篩選法； 3 、加強對劣勢種群的內部優良信息的遺傳功能的改進，引入權函數，擴大可交叉運算元的種類，保留各運算元的進化功能，提出了融合交叉運演算法。
  12. In order to form a chloroplast transformation system of d. salina, we have conducted some studies including its sensitivity to antibiotics, the activity of promoter, cloning of the chloroplast genes and construction of transformation vectors, so far a pilot transformation system of the d. salina chloroplast has been completed. methods : the sensitivity of d. salina to seven antibiotics or herbicide used commonly in gene engineering was studied and the biological activity of atpa promoter from c. reinhardtii chloroplast was tested by using enhanced green fluorescent protein ( egfp ) as a reporter. primers were designed in the conservative encoding regions according to the chloroplast genomes from four algae which have close genetic relationship with d. salina, and the sequences of 16s rrna, chll and chln of d. salina chloroplast were cloned and sequenced, respectively

    方法:根據杜氏鹽藻的近緣藻類的葉綠體基因組序列資料，在基因編碼區的高度保守區域設計引物，克隆了杜氏鹽藻葉綠體165識na基因、咖l基因和ch n基因，並分別以165識na基因和chln基因序列為同源片段，以cat和bar基因為篩選標記基因構建了三套杜氏鹽藻葉綠體轉化載體: 2鄭州大學2003年博士學位論文杜氏鹽藻（ d ~ iiellasalina ）葉綠體轉化研究pds165一eaf 、 ptn1269一bar和psp72一5一bar一3 ，用基因槍法轉化杜氏鹽藻，初步建立起杜氏鹽藻葉綠體轉化體系。
  13. Then a nwe method, composed by clustering analysis and non - parameter test and so on, is put forward, which settles the defects between representation and omnipotence

    接著提出了一種用聚類分析、非參數檢驗等構成的指標動態篩選方法，有效的解決了全面性和代表性的問題。
  14. 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分立地條件因子為可選變量，利用3倍標準差法進行異常數據的篩選，對林分立地條件定性因子進行數量化處理，通過逐步回歸構建閩江流域馬尾松林分蓄積量估測模型，研究結果所構建的蓄積量估測模型的相關系數為0 . 735 。
  15. The paper adopted multilevel discriminant analysis step by step to predigest the indexes and establish new index system. establish the four levels ' discriminant functions by the new index system

    摘要採用多因素分析方法從目前普遍認可的反映科技期刊學術水平的多項評價指標中篩選出影響作用大的指標，構建期刊學術水平評估指標體系。依據新的評估指標體系建立期刊方陣四類判別函數模型。
  16. Moving the motion to resume the bill for the second reading in legco today, the secretary for the environment, transport and works, dr sarah liao, said, " the construction waste disposal charging scheme is in line with the polluter - pays principle, and is an essential component of our waste management strategy

    環境運輸及工務局局長廖秀冬今日在立法會會議上動議二讀條例草案時說：建築廢物處置收費計劃是我們廢物處理策略的重要一環。建議的收費計劃符合污染者自付原則，為廢物產生者提供經濟誘因，促使他們減少產生廢物和將廢物篩選分類，以便再用或循環再造。
  17. The principal approaches include the determination of breeding targets ; classification of parents ; establishment of basic population, recurrent selection population and improving population, screening and rational arrangement of fine varieties ; and combination of fine varieties with reasonable cultivation method

    主要包括制定育種目標，進行親本分類，構築基礎群體，組建輪選群體，建造改良群體，篩選優良品種，合理布局品種，以及良種良法配套。
  18. Firstly, classification index system was set up, then was selected in 22 original variables by the principal component analysis

    首先建立指標體系，並運用主成分分析法對22個類型劃分指標進行篩選。
  19. The factors original types of bridge statistical model are studied. the statistic model is established. then the useless factors are filtered by recursive regression method and the best statistic model is established

    研究了橋梁監控統計模型的因子類型，並利用逐步回歸分析法進行模型因子的篩選，建立統計模型的最優模型。
  20. And pcr - rflp analysis was a sensitive, rapid and simple assay for the detection of nucleotide sequence change in ser 83. and our data sugget that pcr - rflp may be a useful device for detecting the mutation in gyra gene associated the resistance to fqns

    本研究通過試驗條件的篩選，建立了pcr - rflp檢測豬源致病性沙門氏菌gyra基因點突變的方法，可用於沙門氏菌氟喹諾酮類耐藥性的分子水平檢測和流行病學監測。
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