綜合選擇率 的英文怎麼說

中文拼音 [zōnggěxuǎnzháilǜ]
綜合選擇率 英文
overall selectivity
  • 綜 : 綜名詞[紡織] （織布機上使 經線交錯著上下分開以便梭子通過的裝置; 綜片） heddle; heald
  • 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
  • 擇 : 擇動詞（挑選） select; pick; choose
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 綜合 : 1 （歸在一起; 聯合成一個統一的整體） synthesize 2 （不同種類、不同性質的事物組合在一起） syntheti...
  • 選擇 : select; choose; opt; election; choice; culling; alternative
  1. Some main results of testing research were as fellows : i. in the course of testing of leaching zinc dross, leaching zinc dross by sulfuric acid was researched and the effects on the leaching rate of the zinc dross were analyzed by author, the optimum conditions of leaching testing of zinc dross were determined as fellows : liquid - solid ratio 6 : 1, stirring ratio 250r / min, granularity 120 mesh, the soaking time 5h, the concentration of sulfuric acid of 30 %, and under these conditions, the rate of leaching zinc is above 92. 0 %. ii. in the course of testing of purification, on the basis of comprehending and comparing all present methods of the manganese - removal and iron - removal, the oxidizing method of manganese - removal in zinc sulfate solution using ammonium persulfate was put forward and the oxidizing method of iron - removal in zinc sulfate solution using the goethite process and oxidation - hydrolysis process was adopted

    研究的主要結果具體如下： 1 、研究了硫酸浸出鋅浮渣並分析了影響浸出率的各種因素，確定了浸出鋅浮渣的最佳條件為：液固比為6 ： 1 ，攪拌速度為250r min ，粒度為- 120目，酸浸時間為5 . 0h ，硫酸濃度30 ，鋅浮渣的浸出率大於92 . 0 ； 2 、在綜合和比較了目前除錳和除鐵的各種方法基礎上，提出了過硫酸銨氧化除錳方法和選擇了針鐵礦-氧化水解聯合法除鐵方法，並分析和討論了影響除錳率和除鐵率等各種因素，確定了除錳的條件為：溫度90 ， ph值5 . 4 ，反應時間3h ，過硫酸銨達到理論值的1 . 2倍，除錳率超過99 . 86 ；聯合法除鐵的條件為：氧化反應時間1 . 5小時、溫度控制在90 92 、 ph值5 . 2 5
  2. By improving foundry method, controlling composition, choosing appropriate inoculant and using te - coating, the shrinkage defect could be reduce effectively

    通過改進鑄造工藝、控制鐵液成分、選擇合適的孕育劑、使用碲塗料等綜合控制手段，能有效降低縮松缺陷率，防止缸蓋的滲漏現象。
  3. The basic principle and method of 3d stochastic modeling of sedimentary microfacies are discussed according to geological and acoustic impedance data of well - logging constrained seismic inversion, and a case study according to stochastic modeling of fluvial facies reservoir of the minghuazhen formation of neocene in a certain block of bohai bay basin is used to show the general process of this research

    摘要探討了綜合應用地質及測井約束地震反演信息進行三維沈積微相隨機建模的基本原理、思路與方法， ?以渤海灣盆地某區塊新近系明化鎮組河流相儲層?例，說明這一研究過程的基本步驟，包括井眼沉積微相解釋、測井約束地震反演、波阻抗與地質相的概率關系分析、隨機模擬方法選擇、地質統計特徵分析、三維隨機建模、隨機模擬預測的多解性評價。
  4. The results show that : nano - nickel powder is not useful for mh electrode during the high rate discharge phase as a conductor or additive ; superfine nickel powder is applicable for the conductor of the negative because of the good performance especially the cyclic stability at 1c rate by using 5 % ( mass percentage ) nickel powder ; the utilization of alloy, specific mass and volume capacity are increased with the decreased particle size of nickel powder in negative, however, the capacity fading rate at 1c discharge rate is also increased, so the capacity and the cyclic stability should be taken into account to make a choice of the particle size

    結果表明： mh電極中加入納米鎳粉對負極的大電流放電性能不利。 mh電極中加入超細鎳粉后電極綜合性能好，尤其是1c循環穩定性，其最佳添加量為5wt 。減小鎳粉粒度提高了電極合金利用率、質量比容量、體積比容量，但增大了負極1c容量衰減率，因此鎳粉粒度的選擇應綜合考慮mh電極容量和循環穩定性。
  5. The synthesis and some central applications of chlorotrimethylsilane in organic synthesis, especially in accelerating and improving yields and stereospecific and regioselectivity for organic reactions, were summarized

    綜述了三甲基氯硅烷的合成方法及其在加速有機反應、提高反應收率和選擇性等方面的主要應用。
  6. Fully considering the system ' s reliabilty, being real - time, speed and extensibility, it finally chooses the sdh as the system network of cors through deep compration and alalysis of four special data lines supplied by china telecom, so that an effective interconnection among the stations and the workstations in the control - center comes true

    摘要充分考慮系統可靠性、實時性、通信速率、可擴充性等因素，通過對中國電信提供的4種數據專線服務的綜合分析比較，選擇了同步數字體系作為系統通信網路，實現了控制中心各工作站和各基準站之間的高速互聯。
  7. The dissertation is divided into six chapters. chapter 1, summary, which explain the importance of the topic and suggest the system, method, and main contents of this dissertation. chapter 2 : the research of the theory of national debt and the practice of the debts issuing in china, in this part, we sum up the theory of national debts and the method of researching moderate scale in china and other countries. chapter 3 : the analysis of burden of national debts in china, which analyze the debts " burden by the rate of debts " burden and the rate of repayment of debts and the degree dependence of debts and so on. chapter 4 : influence factor study of the reasonable limit of national debts " quantity, in this chapter we get the factors that mostly affect the scale. using the actual datum and modern econometric and statistical analysis method, we conclude that the repayment of capital and interest and the finance deficit are the most important factors

    第二章國債理論研究進展和我國的國債實踐，綜述國內外國債理論研究的進展和我國國債發行的實踐以及國債適度規模的研究方法。第三章我國國債債務負擔分析，主要從政府償債能力和社會應債能力兩方面，選取了債務依存度、國債負擔率和國債償債率等指標，通過橫縱對比，對我國國債債務負擔進行了分析。第四章債務負擔合理數量界限的影響因素分析，選取了九個與國債密切相關的指標，通過多重共線性診斷、最佳回歸模型的選擇分析，最後選定國債還本付息額和財政赤字兩個與國債規模最密切的指標。
  8. So this paper tries to solve these problems through the following work : first, we select some index to valuate the close - end funds, including income, stability, risk in falling, stocks selecting ability and tuning ability, based on overseas funds valuation methods and domestic market condition ; second, we analyze the stability of all index and form two styles index, which are f and other bad stability index ; then, we form the valuation system, including two - layers index, which are p and factor score ; last, we use this system to analyze the close - end funds which came into existence before 2000 and get the final comparative result. the main intention of this paper is to create the system of valuating close - end funds in our country, which is comprehensive and objective. in my valuation system involving the period from 2000 to 2003, the funds as a whole performs inferior to the stock index

    首先，對國外理論界經典成型的、以及前沿的基金評價指標和評價方法進行了詳細的分析，並結合我國的基金市場狀況，選取了可以衡量基金收益、穩定性、下跌風險、股票選擇能力、時機選擇能力等量化指標；其次，根據我國基金分析的需要，採用了諸如基金交易價格、換手率等二級市場表現指標；然後，對這些指標進行了時間延續性分析，檢測這些指標在運用到我國基金市場時能否有效預測基金未來表現，從而形成了兩類指標：時間延續性很好的s _ p和時間延續性不好的其它所有指標；再次，在以上工作的基礎上形成了由兩個層面的指標構成的我國證券投資基金評價體系： s _ p和因子分析中綜合因子得分值；最後，選取了我國2000年1月1日前成立的23隻封閉式基金作為樣本，並同時採用上證a股與深成a股兩個基準組合進行了3年樣本期的實證分析，得出了最終的比較性評價結果。
  9. The research method and theory is still wick about the foundation of the loading and unloading equipment selection, the efficiency simple loading and unloading equipment, the efficiency of the loading and unloading line, the summary efficiency of all loading and unloading lines on port, and the optimum of the loading and unloading arts and crafts recently. there is no a ripe theory on that above. so, this paper attempt to set up a series of analyzing method and form a theory system on it to improve the efficiency of port and bring more benefit

    關于港口裝卸機械的選型依據、港口裝卸機械的單機效率、港口裝卸作業線效率、港口企業裝卸作業系統即多條作業線綜合效率、港口裝卸工藝中裝卸機械的性能匹配和效率匹配以及港口裝卸機械資源優化配置問題的研究和理論方法還比較薄弱，港口裝卸機工藝的選擇、工藝系統裝卸機械數量和等級的確定以及裝卸機械選型尚沒有成熟的理論依據。
  10. Synthetical methods were used to develop an index of comprehensive assessment after flood. firstly, we reviewed the literature extensively and conducted a widely epidemiological investigation on the flood impact on economy, environment, and human health in hunan province, p. r. china after severe flood disaster in 1998. based on the literature review, epidemiologic investigation, and the theory of analytic hierarchy process ( ahp ), the initial evaluation system of flood impact was established, which include six first rank indicators and seventy - four second rank indicators. an expert panel consisted of 30 specialist was convened and delphi process was used to screen and determine all the indicators and their importance ( weight )

    本研究選擇經常遭受水災的湖南省為研究現場，在深入調查的基礎上，廣泛參考文獻，綜合考慮災后引起的直接傷亡、疾病發病率的升高、超額死亡、疫源地擴大和病原媒介的滋生蔓延、精神刺激及心理影響、經濟損失等諸多方面，應用層次分析法的思想，以洪災危害程度為總的評價目標，構建包括上述六個方面的6個一級指標和74個二級指標的洪災危害程度初評指標體系。
  11. It can combine the seismic, well logging and mud logging data source and provide multi - choosable and equality probability spatial images, the different images show the heterogeneity and uncertainty. analysing and valuing the uncertainty offers objective and quantitative assessment standard to the oil engineer so as to reduce the risk of oil field production

    該法能夠綜合測井、錄井、地震等多種數據，提供沉積相及油藏屬性的多個可選擇的、等概率的空間分布圖像，這些圖像的差異就反映了它們在空間分佈的非均值性和不確定性。
  12. Thirdly, comprehensive attribute method and risk coefficient are used to comprehensively evaluate the risk of the three sites so as to identify key risk factors and evluate the whole risk probability. fourthly, optimal scheme is selected via comparing schemes of the three plant sites through using investment model based on maximum shannon rule. lastly, measures to monitor and control risk consisting in this project are analyzed

    在對該項目三個備選廠址的風險識別的基礎上，利用極大熵準則對各廠址存在的風險進行估計，得出各風險發生的概率，然後利用綜合屬性度法和風險系數對各廠址存在的風險進行綜合評價，找出了關鍵風險，並得到了該項目的整體風險水平，進而通過基於極大熵準則的大型工程投資決策模型對該項目的廠址選擇方案進行決策，選出了最優方案，最後，分析了該項目中存在的風險的應對監控措施。
  13. To the forecasting research of a stock multiple market and b stock multiple market, beginning with garch model of the stock return rate and the volatility, we discuss the multiple market diagonal portfolios strategy on the foundation of the forecasting research to the return volatility of the stock by using asymmetric garch and bekk model which are the deformations of garch model, and finally, we construct the portfolios by way of the selection of volatility forecasting model

    在綜合市場股票收益波動性的可預測性研究方面，著眼于a股綜合市場和b股綜合市場，對其收益波動性的可預測性研究，主要從股票收益率與波動性的garch模型入手，並用其變形?非對稱性garch模型及bekk模型對我國a股綜合市場和b股綜合市場收益波動性進行可預測性研究，在此基礎上，探討了單變量對角投資組合戰略和多變量對角投資組合戰略，最後通過波動預測模型的選擇來構造投資組合。
  14. The synthetic evaluation model not only helps develop the theory about tourism product development, but also has importent value in practice by guiding the developer reasonably developing tourism product, avoiding ineffective resource use and ineffective investment

    本文提出的森林旅遊產品適宜性的綜合評價模型不僅有助於旅遊產品開發的理論發展，而且對于指導我國森林旅遊產品開發者合理選擇產品項目，避免資源的無效使用和資金的無效投入，提高資源利用效率，將具有重要的實踐價值。
  15. According to the study on the resolution of the equipment for coal ore dressing based on the transmission of bi - energy - rays for a long time, it was provided that the resolution could be improved by selecting the mathem atical model, discerning mode, and the width of high and low energy windows

    摘要通過較長時間的實驗研究，指出處理數據的數學模型，判斷結果的識別模式，採集信號通道窗孔的設定是設備儀表系統關繫到設備分選率的幾個主要方面，只要綜合考慮源強，儀器的溫度漂移特性，適當選擇數學模型、識別模式和窗口位置及寬度，可以大大增強判斷的準確性，提高分選率。
  16. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題，主要研究內容有： （ 1 ）實驗、測定了20種常見生物質的能量（發熱量）和c 、 h 、 n元素含量，根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式，並通過r _ （ 0 . 05 ）檢驗；為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便； （ 2 ）選擇了8種生物質試樣作了等加熱速率（ 10 min 、 20 min 、 40 min 、 60 min ）和恆溫加熱的tg和dtg實驗，根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程，並採用goast - redfem積分法和p函數對其動力學參數進行了求解，解析出各種生物質的頻率因子和活化能參數，進而建立了各種生物質的熱解動力學模型，為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述，提供了理論和依據； （ 3 ）為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間，在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定，得出生物質的長徑比（ l d ）一般在5 . 0 6 . 0之間，平均為5 . 3的結果； （ 4 ）採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究，解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間（ t ） ，得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果，為閃速熱解反應器固相滯留時間設計和預測提供了理論依據； （ 5 ）根據上述實驗結果，綜合運用工程力學、工程材料、機械設計學原理，推導、建立了轉錐式閃速熱解反應器物料滯留時間（ ）與轉速（或頻率）合理匹配理論； （ 6 ）提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  17. Applying the relevant analysis approach of gray system, the authors analyze and assess the average of 9 pasture species on the 12 indexes, including the total covering rate, the hight of grass, green period, reviving period, resisting disease, tiller, length and amount of root, weight of root, weight of leaf and stem, tasty impression, and study the application of gray analysis in the comprehensive assessment

    摘要應用灰色系統中的關聯分析法對9種牧草的總蓋度、草層高度、根系人土深度、青綠期、越冬率、抗病性、分孽數、根長、根數、根重、莖葉干重、適口性等12項主要性狀進行了綜合評估，並討論了灰色分析法在選擇坡耕地水土保持牧草草種綜合評估中的應用。
  18. The second part have described the value of investigative interrogation and the value choice on how to perfect the system of interrogation of our country. how to choice and design a investigative interrogation system that can find the truth of a case accurately, can ensure the individual fundamental right, also can realize the maximum efficiency of lawsuit is a synthesized judgment and weighing among different values

    第二部分論述了刑事偵查訊問的價值及完善我國偵查訊問制度的價值選擇。如何選擇和設計一種案件事實能被準確發現和確定，又能公正地保障個人的基本權利，並且最大限度地實現訴訟效率的偵查訊問制度，在很大程度上是一個不同價值之間的綜合判斷和權衡問題。
  19. Conclusions could be drawn out through a positive analysis of some port companies : the factors that have a positive effect on the strategic target are the rate of main business return, the velocity of the assets, while the capital structure and the rate of the increase of the increase of investment have little effect, which illuminate that the port company should focus on the main business to enhance the return of net assets, it also shows that the business of the list port companies is over - concentrated, and should be diversified to lessen the operating risk ; the companies should accelerates the turnover speed of the assets ; the appropriate structure of the assets can bring benefit to a company, but the ultimate approach to enhance the return of the net assets is to look for items with high return ; the sightless investment made the increasing speed of return lag behind the expanding speed of the capital ; and result in no scale economic benefit

    本文通過對部分港口類企業進行計量分析后發現港口企業的資本結構和投資對凈資產收益率沒有顯著的影響，而港口企業收入過分集中。針對未來財務環境發生的變化，本文從戰略財務管理的角度對南京港口集團公司提出以下建議：在投資領域，今後應以綜合物流為契機，專業化與多元化並重；適度發展集團化經營；優化資源配置，提高資產營運效率。在融資領域，要合理選擇融資渠道，降低融資成本，更多關注債務融資；確定合理的資本結構，控制負債風險，建立償債保障機制。
  20. After getting the standard difference and beta index of after risks, it gets three measuring figures : shape performance index, treyner performance index and jesen performance index through establishing the after feature line model, and compared them. finally, combining with the present situation of investment fund in china, using the investment fund performance evaluation research at home and abroad as the reference, adopting indexes such shape, treyner, jesen, stock net selection rate and c value, it evaluates the performance of investment funds in china in four aspectsxomprehensive performance measurement of investment funds. stock selection capacity. market opportunity seizing capability and investment portfolio ; and mares a case analysis on the ten representative funds in china

    最後，結合我國的投資基金的具體現狀，借鑒國內外同行對投資基金績效評估的研究，運用夏普業績指數、特雷諾指數、詹森業績指數、股票凈選擇率、 c值等指標，從投資基金的綜合業績度量、股票選擇能力、市場時機把握能力和投資組合分析四個方面對我國投資基金的績效進行了評估，並對在我國投資基金中有代表性的十隻基金進行了實證分析。
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