選別比 的英文怎麼說

中文拼音 [xuǎnbiébǐ]
選別比 英文
separation coefficient
  • 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
  • 別 : 別動詞[方言] （改變） change （sb. 's opinion）
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  1. By two ways, this paper debates the theory of fracture detection : on one hand by the way of edge detection in image processing ; on the other hand by time series analysis. the detection by time series analysis is more antinoise than edge detection in image processing. edge detection theory in image processing mainly includes correlation data, fuzzy edge detection, entropy operator edge detection and gradient edge detection

    圖像處理中的邊緣檢測的方法主要包括相干數據體法、模糊邊緣檢測法、基於熵運算元的邊緣檢測法、梯度邊緣檢測法；其中模糊邊緣檢測法比較依賴于參數的選擇，其渡越點兩邊的像素區別明顯；熵運算元的檢測方法則是檢測的圖像邊緣比較光滑，連通性好；梯度檢測法可以使用不同的運算元核，演算法比較簡單；相干數據體對于總體的大的裂縫的分佈具有比較奸的反應。
  2. A good mix is key, so make sure to have some seekers in their for anti - air and stealth detection, if he making infantry, gun walkers ( especially phase fielded ) are a great idea, plenty of tripods, and a nice mix of air units, such as devastator warships, planetary assault carriers, and sometimes the speed, armor, and decent damage of the stormrider is nice to have

    一個好的混編是關鍵，所以確保你的部隊有一些搜索者來對空和探隱，如果對方有很多步兵，步行者（特別是相場）是好的選擇，大量的三腳，以及一隻很好混編的空軍，比如毀滅戰艦，行星突擊母艦，有時候擁有速度，裝甲和火力的風暴騎士也是上選。
  3. The thesis, somehow, is a summary, which expounds the main contents of traditional portfolio theory ( tpt ) and mpt, also gives a comparison between tpt and mpt ; analyses two aspects of markowitz theory, one is the effects of risk disperses and the demonstration, the other is how to make an optimal portfolio strategy ; researches into capital assets pricing model ( capm ), factor model ( fm ) and arbitrage pricing theory ( apt ) respectively in three parts ; studies another two parts, one is the premise of mpt, which is the efficient market hypothesis ( emh ), the other analyses the behavior finance theory ( bft ) produced in the background of challenging and querying to emt and capm. the thesis finally discusses the researching and applying prospects of mpt in china

    論文對現代資產組合理論與傳統資產組合理論分別進行了分析，並對兩者進行了比較研究，對馬克維茨的均值? ?方差理論從資產組合風險分散效應和最優資產組合選擇兩方面進行了重點分析，對資本資產定價模型、因素模型、套利定價理論進行了一定深度的分析和研究，對現代資產組合理論的前提假設? ?有效市場理論及在對有效市場理論和資本資產定價模型形成挑戰和質疑背景下提出的行為金融理論進行了論述，論文最後分析了現代資產組合理論在我國的研究及其應用的廣闊前景。
  4. The complete nucleotide sequence of the mitochondrial genome of f. limnocharis was detailedly compared with those of 5 other amphibians. the nucleotide sequences of 22 trna encoded by 6 amphibians mitochondrial genomes were combined and aligned to the homologous sequences of the 11 veterbrate taxa. using teleosts as outgroup, the phylogenetic analyses results show that mp, nj and ml trees all strongly support the monophyly of living amphibians with respect to other living tetrapods and favor a sister group relationship for caecilians and salamanders

    我們在測定了澤蛙線粒體全基因組序列的基礎上，與已知其它的5種兩棲類進行詳細的比較分析，同時選擇了11種高等脊椎動物的線粒體全基因序列，以硬骨魚類做外群，用22個trna基因合併數據進行系統發生重建分析，結果表明mp 、 nj和ml樹都強力地支持現生兩棲類動物為單系群並且蠑螈類和蚓螈類為姐妹群關系（自引導值分別為92 、 99 、 100 ） 。
  5. It is noteworthy that the artists and ceramists who have received training in universities and colleges prefer to choosing and applying the new colors to the decoration to porcelains for it is very convenient for potters to process and its colors have no great changes after being, fired

    特別是受過高等藝術教育的藝術家，比較喜歡使用和選擇這種操作相對方便，色彩在燒后變化不是太大的新彩進行陶瓷裝飾。
  6. When there were 110 men for every 100 women ( as, for example, in arizona ), the women got really choosy

    在男女性別比率為110 ： 100 （如在亞利桑那州）時候，女士們仍然會精挑細選。
  7. The first part is introduction, presenting this paper ' s structure, research background and so on ; the second part introduces some issues relating closely to risk, the tangency point between indifference utility curve and efficient frontier is the optimal portfolio ; the third part explores risk evaluation, this part begins with some risk factors affecting security ' s price and return, then analyzes the methods evaluating degree of risk, finally, introduces a more popular method of risk evaluation - - var ; the forth part expounds risk management, this part studies some risk control strategies correspond to specific risk mentioned above ; the last part put forward some advice contrapose issues existed in risk management in china

    第一部分為緒論，介紹本文的相關背景；第二部分是與風險相關的幾個問題，等效用曲線與有效邊界的切點是投資者選擇的最佳投資組合；第三部分是風險衡量，該部分首先分析了證券與股票所面臨的風險，然後對債券和股票分別介紹，最後介紹了目前比較流行的風險衡量方法? ? var方法；第四部分為企業風險管理，這里針對上文所述的風險提出相應的風險控制策略；第五部分針對目前我國風險管理中存在的問題提出了幾點建議。
  8. The initial vsd process uses two main characters, the average instantaneous energy and the average instantaneous zero crossing rate ( zcr ). to make the first recognition for the start and the end, the emphasis of which is to select the appropriate value of the threshold and the length of frame. in the final vsd process, the author compares several characters and confirms the new recognition character

    初步分段過程使用了能量和過零率這兩個主要特徵進行端點檢測，重點是合理選擇兩個重要參數? ?門限和統計幀長度的取值；在最終分段過程中，筆者首先通過比較幾種特徵的識別效果，選擇卡爾曼濾波參數作為再次分段的識別特徵，還提出了一種新的識別特徵? ?周期性緩變特徵，使用這兩個特徵分別在子語音段內進行端點檢測。
  9. Pgla, one biodegradable material, is used to braid the conduits, which integrates the merits of its two aggregate ingredients. it is easy to adjust degrading rate to match the regeneration period of the nerve by changing the proportion of the two ingredients. the conduits are fabricated enlacing 2. 2 millimeter stainless steel on the braiding machine with 16 spindles using 2700 tex yarns. four conduits with different structures are braided : common braided structure, braided structure using braided ply yarn, braided structure with inserted reinforcing yarn and adding bridge - yarn structure, the last two conduits are new attempts to look for good shape - keeping structure, being able to lead the nerve to regenerate effectively

    本課題選用可生物降解材料聚乙丙交酯（ pgla ）為原料，它兼具兩種聚合成分的優點，可以通過調節兩者聚合的配比來調節它的降解周期，使與神經再生的周期相吻合。導管的製作是在16錠編織機上採用2700tex紗線進行帶芯編織，芯子為直徑2 . 2mm的不銹鋼絲。共製作四種結構神經導管，分別為普通結構神經導管、編織線結構神經導管、加筋結構神經導管和加芯結構神經導管。
  10. In this paper, first strand cdna of 3abc gene was synthesized using template rna extracted from cells infected with fmdv. the complete 3abc gene about isoobp was amplified by pcr and ligated into pgem - t easy vector. after transforming e. coli dh5 a, ampicillin resistant colonies were isolated and plasmid dna was prepared and analyzed by restriction analysis and pcr. presence of the full length 3abc gene was verified by nucleotide sequence analysis and the plasmid containing the expected sequence was named as pgem - 3abc. comparing the aquired sequence of 3abc with that of reference strains, the homology is more than 99 percent. the pgem - 3abc was digested with sal i and bgl ii and ligated into xho i and bgl ii - digested expression vector ptriex - 4 neo. lt was identified by restriction analysis and pcr and sequencing that this fragment had a 17bp deletion hi the nucleotide sequence 708bp of 3abc gene, which happened to form a terminator codon behind 3ab gene, but it contained the complete open reading frame ( orf ) of 3ab gene. positive clones were selected and induced with lmmol / l isopropyl - d - galactoside ( iptg ), bacteria were detected by sds - page and western blotting after properly treated. the results showed that the 3ab gene expressed successfully in e. coli and 33. 5ku fusion protein can be recognized by the positive bovine serum of fmdv. the amount of target protein is over 26 % of the total bacteria protein by gel thin layer scanning analysis

    擴增產物連接到pgem - teasy載體中，轉化大腸桿菌dh5菌株，篩選氨芐青霉素抗性菌落，提取質粒經酶切鑒定、 pcr分析以及確證性測序證明，所克隆的1500bp左右的片段含有完整的3abc基因，與國外參考序列相比，同源性在99以上。將重組質粒pgem - 3abc和表達載體ptriex - 4neo分別用sal和bgl與xho和bgl消化后，亞克隆3abc基因至原核表達載體ptriex - 4neo中，通過酶切鑒定、 pcr擴增以及序列分析，發現克隆到ptriex - 4neo載體上的片段於3abc基因708bp處出現了17bp的缺失，碰巧在3ab基因后形成一終止密碼子，但3ab基因的閱讀框架完整，選出含有3ab基因完整閱讀框架的陽性克隆，用iptg誘導表達，收集菌液進行sds - page電泳、 westernblotting分析，結果表明， 3ab基因在大腸桿菌中成功表達，其表達產物為分子量33 . 5ku的融合蛋白，並能被口蹄疫病毒陽性血清識別。經薄層掃描分析，表達量占總蛋白量的26以上。
  11. Gathering fuzzy technique and model - identifying technique to processing research, fuzzy model - identifying technique, a intersecting science, has been come out, which has become hoto in this thesis, based on deeply researching the fuzzy unit - identifying and complete analysis on data of measuring well of the chandqing wushenqi district, the method of constructing self - adapting multi - dimension non - liner subjection degree function has been created without precedento based on the extraction of routine measuring well character parameters, and for adopting self - adapting method to carry through character compression, the model has been improved the performance and enhanced the convergence speed and sorted precision of the algorithm o the relation of measuring well information and the oiliness & gassiness of sandstones is fuzzy ? in the thesis, the law of max subjection degree has been studied and improved, and proved preferable effect in the practical application

    論文在提取一些常規測井特徵參數的基礎上，採用自適應方法對各變量多項式進行優選，減少了特徵參數間的相關性，突出了類別間的差異性，從而優化了模式的質量，提高了分類的精度。測井信息和砂體的儲集性之間的關系是帶有模糊性的，論文對模糊「最大隸屬原則」進行了研究和改進，並在實際應用中取得了較好的效果。論文成功研製了「自適應」的演算法和軟體? ?即通過對正確回判率的比較，然後對參數進行調節的辦法，可將模式「訓練」到最佳狀態。
  12. The 6 - s table has the merit : the high - grade ore scaled, the classification efficiency high, safeguards easily, and advantageous for the adjustment stroke

    搖床具有富礦比高，選別效率高，看管容易，便於調節沖程。
  13. When both genes were co - expressed in e. coli, the activity of ppsa varied from 2. 1 - 9. 1 fold comparing to control, but the activity of tkta was relatively stable ( 3. 9 - 4. 5 fold ). whatever the two genes were expressed respectively or cooperatively, both could promote the production of dahp, the first intermediate of the common aromatic pathway, but co - expression was more effective on forming dahp and screened ppt - and ptp - as more effective. the results demonstrate that co - expression of ppsa and tkta can improve the production of dahp, and what ' s more, when multigenes co - expressed, the recombinant which has coordinated enzymes activity is optimum

    莽草酸途徑的最優化和整體調控基因csra的敲除正是上述改變的分子基礎，同時也為三種芳香族氨基酸的基因工程菌的構建打下了基礎; 7 .在國內外首次實現了共同途徑限制性底物關鍵酶ppsa刁無『及arog與分支途徑關鍵酶基因phea的串聯高效表達，所構建的重組質粒ptga ，其ppsa 、 tkta 、 arog 、 cm和pd的酶活分別比對照提高了3 、 2 、 2 ， 5 、 4 、 2 . 3倍，且其酶活比較協調一致; 8 .將ptga導入到篩選的基因敲除和基因替換菌株大腸桿菌31884 c甲b中，搖瓶發酵證實比以往所構建的基因工程菌株具有較高的phe產量和糖轉化率率，分別為0 . 448 %和22 . 4 % 。
  14. Abstract : the reasonable processing technology for recovering iron minerals from tailings of low intensity magnetic separation was studied. techno - economic evaluation shows that spiral separation - belt magnetic separation flowsheet is optimal one

    文摘:分析了回收半氧化鐵礦石弱磁選尾礦中的鐵礦物的工藝流程，通過技術經濟的比較，提出了合理的選別工藝，達到了回收鐵礦物的目的。
  15. On the basis of the statistical analysis of the annual production data of aoshan concentrator, the mathematical models for the relationship of the concentrate quality indexes ( concentration ratio, concentrate grade and recovery ) with run - of - mine ore grade and hourly throughput per unit were established and analysis of their relationship was made, which has a direct effect on guiding the concentrators production and ensuring the concontrate quality

    通過對凹山選礦廠全年生產報表數據的統計分析，分別建立了精礦質量指標（選礦比、精礦品位、精礦回收率）與原礦品位、臺時處理量之間的數學模型，並對其之間的相互關系作了分析，對指導凹山選礦廠生產、保證精礦質量有著直接的指導作用。
  16. It compares and analyses the equipment test voltage emendated to standard atmosphere conditions with the equipment nominal withstanding voltage. and then it concluded that : the emendation value educed by " humidity ratio " integrated emendation method is basically equal or close to the equipment nominal withstanding voltage ; but the values by two traditional emendation methods are mostly higher. it also proves that, " humidity ratio " integrated emendation method is more perfect than any other methods, and it can reflect the influence degree of atmospheric parameters on electrical equipment outer insulation discharge voltage actually

    文中選擇「比濕」綜合校正法和兩種傳統校正法，分別對西高所為羊八井、拉薩、羊湖110kv變電所設備所做的人工氣候室模擬試驗數據及雲南中試所做的zs - 110工頻放電電壓試驗數據進行校正計算，將試驗電壓的校正值與試驗設備的標稱耐受電壓水平進行比較分析；認為： 「比濕」綜合校正法的校正值與設備耐受電壓水平基本相等或接近，而兩傳統校正法的校正值大多高於設備耐受電壓水平；進一步證明， 「比濕」綜合校正法是目前諸多校正法中較為完善的，能真實地反映大氣參數對電氣設備外絕緣放電電壓的影響程度的校正法，在高海拔電力工程設計中應推廣應用。
  17. Based on the strong and effective collection and storage capacity of the group, we have set up our own collection, storage and processing system, including the storage yard of 50, 000 square meters, the processing and finished product storehouse of 2000 spare meters, and the large - scaly compositive machine that integrates rough selector, pebble selector, specific gravity selector, leash shifting machine and the granule size, in addition the hand - choosing workshop that can hold 250 people, can guarantee to offer high - quality products of more than 120 tons to customer every day

    以生威集團強大而高效的收儲能力為基礎，我們建立了自己的收儲加工體系， 5萬平方米存儲場地， 2000平加工及成品貯藏庫，以及集粗選、去石、比重、粒形分離、大小選別為一體的大型綜合清選機械和可容納250人的手選車間，可以保證每天為客戶提供120噸以上的高品質精選產品。
  18. For the type choice to each ited of technical equipment, rebuilding and its difficult points, we also discussed it. to the three kinds of heating methods steam heating, organic carrier heating and electrical heating mentioned in the paper, it deals with the four sides including energy saving, meeting the requirement of shippers, meeting the requirement of environment protection and technical possibility. we respectively compared its strong points and weak points, finally decided to utilize organic carrier heating as the technical plan of liquid sulfur heating in harbor transferring

    研究了液體硫磺自身對工藝的要求，結合港口特殊作業環境探討了對工藝的制約以及對各項技術設備的選型、改造等難點也進行了探討，對文中提到的三種加熱方式、蒸汽加熱、有機熱載體加熱、電加熱從節能滿足貨主要求，滿足環保要求，工藝的可靠性四方面著手，分別比較其優劣，最終選定利用有機熱載體加熱作為港口加熱中轉液體硫磺的工藝方案。
  19. Power : put to say to, and the sum settle the power to is just valid index sign that evaluate the to put the function. it points within the scope of certain of the wave lose true, and the make longer a work can biggest power of the output s. enlarger while connecting into the box of the different resistance that exportation power can have different, usually the enlarger can mark clearly its sum to settle the exportation resistance ; for example a sum that set enlarger while loading a resistance to settle the exportation power to the, and load the resistance to may increase the the above. because the power there is method of various marks, some and illegal factory to can have intention to exaggerate the data, purchase or choose the hour to want with physically hear the to take in to distinct, comparison

    它是指在一定的諧波失真范圍內，功放長期工作所能輸出的最大功率。放大器在接入不同阻抗的音箱時的輸出功率會有所不同，通常放大器會標明其額定輸出阻抗例如一臺放大器在負載音箱阻抗為時的額定輸出功率為，負載阻抗為時就可能增加到以上。因為功率有多種標法，某些不法廠商會有意誇大數據，購買或選配時要以實際聽音加以區別比較。
  20. The winter olympics proved no match for television ' s gold - medal winner, " american idol. " fox ' s phenomenally successful contest crushed the olympics in head - to - head competition on tuesday night, 27 million viewers to 16. 1 million, according to nielsen media research

    尼爾森媒體研究機構稱，上周二晚，福克斯電視網的當紅選秀比賽美國偶像的收視率擊敗了同期直播的冬奧會節目，觀眾人數分別是2700萬和1600萬。
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