filtration characteristics 中文意思是什麼

filtration characteristics 解釋
滲透性能
  1. This paper put forward that credit estimation and guarantee of small and middle enterprise must pay attention to its characteristics, that is to say, stressing some estimations such as " future innovation, grown - up, . development " through normative analysis remonstrating analysis, comparing analysis and research. at the same time it must deal with whole credit and part credit combination of qualitative analysis and quantitative analysis and relative relations about methods of estimation and goals of estimation. according to characteristics of credit estimation, 1 choused index and form systems of multilayer index and select combination of delphi and ahp in order to avoid subjectivity and random for setup in the course of setup of estimation index. it should adapt flexibility of anti - guarantee setup and embody its supporting function for enterprises through qualitative analysis of anti - guarantee and estimation of risk with reason. in view of mature experience and criterion of science and technology estimation, this paper introduced into concepts about index of filtration and superior and established relative and traditional methods which are suitable for modes of small and middle enterprises for credit estimation and are applied by credit guarantee

    本文運用規范分析法、實證分析法、比較分析法，通過研究提出，中小企業信用評價和擔保信用評估應注重中小企業的特點，即強調「未來、創新、成長、發展」方面的評價。同時還要處理好整體信用和局部信用、定性分析和定量分析相結合以及評價方法和評價目的相對應的幾方面關系。在中小企業信用評價指標體系的設置中要根據中小企業信用評價的特點，合理選擇指標和形成多層次指標體系，並選擇delphi法（德爾菲法）和ahp （層次分析法）相結合的方法避免權重設置的主觀性、隨意性。
  2. Identifiability, filtration and biologic characteristics observation of three fly species in harbin of china were narrated, and it was evaluated to these fly species " larva and imago nutrition in this paper. studies results showed that lucilia sericata meigen, aldrichina grahami aldrich and parasarcophaga crassipalpis macquart are excellent fly species in population. the excellent fly species have regular succession phenomenon as seasonal and temporal changement

    室內、室外試驗觀察發現，絲光綠蠅（ luciliasericatameigen ） 、巨尾阿麗蠅（ aldrichinagrahamialdrich ）和肥須亞麻蠅（ parasarcophagacrassipalpismacquart ）在種群數量上具有優勢，並隨季節時間變化，其幼蟲種類具規則的演替現象。
  3. 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。
  4. The boundary layer can indicate the comprehensive influences of oil reservoirs, the physical properties ( reservoir porosity, permeability, fluid viscosity and its composition ) of inside fluids and development conditions such as pressure gradient : the layer thickness reduces with the rise of capillary radius ; when capillary radius is fixed, the thickness increases with viscosity rise ; the more polarity composition content is, the more obvious the absorption, the thicker the boundary layer, more and more obvious the characteristics of non - darcy filtration

    邊界層反映了儲層、流體物性條件（儲層孔隙度、滲透率、流體粘度、組分）和開發條件（壓力梯度）的綜合影響，認為邊界層厚度隨著毛管半徑的增大而減小；在毛管半徑相同的情況下，邊界層厚度隨壓力梯度的增大而減小，最後達到一個臨界值；毛管半徑一定時，邊界層厚度隨粘度增加而增大；極性組分含量越大，吸附越明顯，邊界層厚度越大；邊界層厚度越大，非達西滲流特徵越明顯。
  5. The cast characteristics of investment casting for aluminum alloy is introduced. technology of investment casting for aluminum alloy in conventional plaster mold and ceramic mold and modification, refining technique of cast aluminum alloy as well as filtration purification of liquid aluminum alloy are studied

    介紹了鋁合金熔模鑄造的特點，鋁合金熔模鑄造常用的石膏型熔模鑄造和陶瓷型熔模鑄造工藝，鑄造鋁合金的精煉、變質、細化工藝和鋁合金液的過濾凈化技術。
  6. Both results of the experiment and simulation show upflow rough filtration holds the characteristics of simple operation, easy maintenance and stable performance

    試驗及模擬結果均表明：此上向流粗濾操作維護簡單，運行穩定。
  7. The principles arid characteristics of micro - filtration, ultra - filtration and reverse osmosis and their applications on oily wastewater were introduced

    介紹了微濾、超濾和反滲透膜等膜分離技術的特點及它們在含油廢水中的應用。
  8. Standard test method for retention characteristics of 0. 2 - 181m membrane filters used in routine filtration procedures for the evaluation of microbiological water quality

    評定微生物水質的常規過濾程序用0 . 2微米薄膜過濾器滯留特性的標準試驗方法
  9. Standard test method for retention characteristics of 0. 40 to 0. 45 - 181m membrane filters used in routine filtration procedures for the evaluation of microbiological water quality

    評定微生物水質的常規過濾程序用0 . 4微米到0 . 45微米薄膜過濾器滯留特性的標準試驗方法
  10. According to its characteristics of technological enterprise, we carry out choice of credit estimation methods and try to build modes of estimation of small and middle enterprise with science and technology through analysis of credit and comparison of graded methods, mounting filtration of the index systems and index of estimation and index layer for one grade and two grade and picking up them under the balance of setup methods so that the system of the index can form framework

    根據科技型中小企業的特點，通過針對科技型中小企業的信用分析和評分方法比較進行信用評價方法的選擇，試建立了科技型中小企業信用評價模式。設置了該指標體系的篩選性指標和評價性指標以及一級和二級指標層，並進行了權重設置方法的選擇，使該指標體系初步形成框架，進而可以為擔保信用評級提供參考方法和思路。
  11. The surface characteristics, filtration performance in long - term run, and the capability in adsorbing fe, mn and sb of darkened sand which formed in surface - water supply plant were studied in this thesis

    本課題對地表水廠黑化砂的表面特性、在長期運行中的過濾效果和吸附性能進行了研究。
  12. In order to improve the efficiency of alga - removing by conventional water treatment process and offer referential information to the development of integrative drinking water treatment equipments, this paper mainly studied the characteristics of ultra - filtration for the raw water, raw water which adding alum, effusion of sedimentation pond and water taken from a farm lake in xingsha town utilizing hydrophilic modified pan hollow fiber ultra - filtration membrane filters

    為了解決水廠傳統工藝除藻效率低下的問題，同時也為了給飲用水膜處理設備的開發提供可借鑒的數據資料，本文利用pan中空纖維膜分別對水廠原水、加礬后原水、沉澱池出水、星沙某農家樂池塘水進行了超濾試驗。
  13. The research work presented a large quantity of debris characteristics parameters, and especially made a thorough study on the characteristic description of sediment chain graph ; meanwhile, the sensibility, differentiation and information redundance analyses of the characteristic parameters also supplies the quantitative indexes for the filtration and optimization of the debris characteristic parameters ; in addition, the debris fusion decision recognition method based on the proof fusion theory and the comprehensive debris recognition flow provide reliable recognition arithmetic for debris recognition ; and lastly, the fault fusion diagnosis judging method based on ferro - graph and spectral analysis provides the basic diagnosis method in theory for multi - fault premonitory diagnosis system of aero - engine

    本文研究工作提出了大量磨粒特徵參數，尤其深入研究了沉積鏈譜片的特徵描述問題；同時，特徵參數的敏感性、區分度與冗餘度分析為磨粒特徵參數的篩選優化提供了量化指標；另外，基於證據融合理論的磨粒統計融合決策識別方法以及磨粒綜合識別流程為磨粒識別提供了可靠的識別演算法；最後，基於光譜和鐵譜信息的磨損故障融合診斷決策方法為發動機多故障徵兆綜合診斷系統提供了基本的診斷理論手段。
  14. Microfilltration within stationmary tubular membrane elements with rotating flow is one of the most efficient method to enhance crossflow microfiltration, but its flow field characteristics are far from understanding and its filtration characteristics are also had to reseach, because the rotating flow field are superposed by rotating shear flow and axial flow and radial permeate flow

    旋轉流靜止管式膜微濾是十字流強化微濾的有效方法之一，但由於其受到旋轉剪切流、軸向剪切流及徑向滲透流的三維流場作用，其流場特性有待探索，其分離特性也有待深化認識。
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