濾過分數 的英文怎麼說
中文拼音 [lǜguòfēnshǔ]
濾過分數
英文
filtration fraction,ff-
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。Advantage : interspace of the belt is several times bigger as the normal one, the water filtrate faster and easily to clean
優點：濾帶空隙是常規濾帶的數倍大，可更快的過濾水分，並且易於清洗。We find that the petrology characteristic of all the samples have no characteristic of meteoric water such as geopetal structure, infiltrative sand, ( uniform cement and gravitational cement on base of the research of the dolomite in the regions. on the dot diagram of combination of mgco3 ( mol % ) and sr, the dot are all close to the line of seawater whether they are microlite - crystalline penecontemporaneous dolostone or diagenetic dolostone of various crystals. the 87sr / 86sr value of dolostone or matrix is less than the one of sparry calcite in cave or vein, and close to the value of seawater
通過本區白雲巖的研究發現：已有的白雲巖樣品的巖石學特徵沒有顯示出如示底構造、滲濾沙、新月型膠結物和重力膠結物等大氣淡水作用的特徵；在白雲石mgco _ 3mol百分數和白雲石sr含量的投點圖中，無論是準同生成因的泥?微晶白雲巖，還是粉?細晶（或中晶，或細晶以上的不等晶）的成巖白雲巖，均投在海水線的附近；白雲巖（或基質）的~ （ 87 ） sr / ~ （ 86 ） sr比值顯著低於與孔洞或脈中充填的亮晶方解石，且與海水值十分接近， ~ （ 13 ） c和~ （ 18 ） o值顯著高於孔洞或脈中充填的亮晶方解石，也偏向于海水值； mn含量則顯著低於孔洞或脈中充填的亮晶方解石。Combining with the performances of danshan bridge, discussing the methods on the construction controlling and calculation of cable - stayed bridge, this paper raises an efficient construction controlling system, and realizes collecting construction data of the real bridge and technical information. by analyzing on the difference of theoretical calculation and real construction state, the author determines to take self - adapting construction controlling method which uses kalman filter method to identify and adjust construction parameters. by getting rational construction state from forward iteration method, this paper, taking concrete creep effect in consideration, raises a rational scheme to pre - remain deformation and adjust cable force
結合丹山橋的結構特點，通過對斜拉橋施工控制及結構計算方法的探討，提出了有效的施工控制系統，實現了對實橋施工數據和技術信息的採集；通過分析理論計算與實際施工狀態的差異，確定了以卡爾曼濾波法作為施工參數識別與調整的自適應施工控制方法；通過正裝迭代法確定其合理施工狀態，並考慮混凝土的徐變效應，提出了合理的預留拱度和索力調整方案。The equation including the nonlinear dispersion, i. e. the modified nonlinear schrodinger ( mnls ) equation, is a better model. in this thesis, we take mnls solitons as a model for femtosecond soltions. then based on the recently developed direct perturbation theory for perturbed mnls equation, we study the raman self - frequency shift of femtosecond solitons and its suppression by the means of frequency filters. for this purpose, first, we define the physical parameters of mnls solitons ; next, through the direct perturbation theory for perturbed mnls equation, under adiabatic approximation, we obtain the evolving parameters of mnls soliton on our questions and then choose the parameters of frequency filters based on it ; at last, we directly numerically simulated our questions by split - step fourier ( ssf ) method after improving the arithmetic of the differentiation of the nonlinear item for satisfying mnls equation
本論文以mnls孤子作為光纖飛秒孤子的模型，通過新近建立的mnls孤子直接微擾理論，研究光纖中由拉曼效應引起的飛秒孤子在傳輸中的自頻移，以及通過頻率濾波對自頻移的抑制。為此，首先給出描述mnls孤子的各物理量，然後用mnls孤子直接微擾理論，解析地得到這些問題絕熱近似下的孤子參數演化，並由此選擇頻率濾波的參數，最後用分步傅里葉方法，在對非線性項微商的演算法做出了適合於mnls孤子的改善後，對拉曼效應及頻率濾波進行了直接數值模擬，其中頻率濾波參數用微擾理論確定。They have been engaged in filtration and separation for many years, being devoted to r & d and production and manufacture of new type filtering and separating equipment, pharmaceutical equipment, chemical equipment and environmental protection water treatment equipment etc., hence they have accumulated rich experience in product design and manufacture. design developments all adopt cad software, fe analysis and other professional software for design optimization
為了促進我國過濾與分離技術和設備的進步，加快最新科研成果的轉化，公司集中了數十位已經在通用所從事過濾與分離專業多年的教授和高級工程師，致力於新型過濾與分離設備、醫藥設備、化工設備以及環保水處理設備等的研究開發和生產製造，為諸多用戶解決了別人未能解決的技術難題。They have been engaged in filtration and separation for many years, being devoted to r d and production and manufacture of new type filtering and separating equipment, pharmaceutical equipment, chemical equipment and environmental protection water treatment equipment etc., hence they have accumulated rich experience in product design and manufacture. design developments all adopt cad software, fe analysis and other professional software for design optimization
為了促進我國過濾與分離技術和設備的進步，加快最新科研成果的轉化，公司集中了數十位已經在通用所從事過濾與分離專業多年的教授和高級工程師，致力於新型過濾與分離設備醫藥設備化工設備以及環保水處理設備等的研究開發和生產製造，為諸多用戶解決了別人未能解決的技術難題。Fini air treatment, recommended for the most demanding professional uses, is composed of refrigerating dryers, filters for separating impurities, condensate drain cocks, water - oil separators, tanks, and all other components necessary for optimising compressor operation
Fini空氣處理系統，由冷藏乾燥器組成，用過濾器分開雜質，立式冷凝物排出管，水油分離器，氣罐和其他空壓機必須的零部件組成，建議使用在大多數要求苛刻的專業用途。The paper analyze many methods of water demand prediction which include many up to date methods and some in common use, and it bring forward some new combinatorial methods which can meet the need of optimization model in precision, such as season exponent, auto adapt filter, season exponent combined grey model, etc. based on the cost and time of modeling jt mainly study the macroscopic network model which describes the correlation between nodal pressures and water plant discharge
針對時用水量預測模型，採用季節指數法、自適應指數平滑法、季節指數聯合自適應過濾法、指數平滑聯合自回歸法、季節指數聯合灰色系統法等具體預測方法，其中數種方法預測精度達到工程要求。實踐結果表明，開發的聯合法效果較好。考慮到管網宏觀模型不但能描述整個管網的工作狀態，而且建模所需成本低，運行速度快，省時省力，主要研究了管網宏觀模型的建立方法，分析測壓點布置原理並編製程序。In this paper, we discuss a kind of filter generator whose filter functions have less input bits than the degree of the linear feedback shift register ( lfsr ). by analyzing the structure of the filter generator and its equivalent system, we give out a conditional search algorithm ( csa ) to attack this kind of filter generators
針對濾波函數f （ x ）的輸入比特數m少於線性反饋移位寄存器級數n的濾波生成器，本文通過分析其等價的組合生成器的結構，以及不同節拍上驅動序列的各個符號之間的制約關系，給出了廣義解序列的概念，並提出了類似遍歷二叉樹的條件搜索演算法csa ，用於攻擊該類特殊的濾波序列。We encoded and optimized the filter to design the algorithm for filter. computer simulation of complete simulation has demonstrated that the new filtering technique can significantly not only reduce the width relative deviation and the area relative deviation of the image, but also improve the resolution and the focal depth. it provides directive basis for the development of the experiment and the practicability of the technology
計算機模擬結果表明，通過在非瞳孔面的適當分數傅立葉變換面上加入優化設計的位相型濾波器，可有效減小光刻圖形的線寬偏差和面積偏差，提高成像系統的解析度和焦深，為分數域濾波改善光刻圖形質量實驗的開展和這一解析度增強技術走向實用化提供了指導依據。When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system
在探討可靠性設計與可靠性保障技術時，提出了石油測井儀器的可靠性計算新模型，從電氣和機械兩個方面，提出並闡述了應採用的可靠性保障技術及其使用方法：根據最新可靠性理論，建立了石油測井儀器的可靠性系統模型，探討了石油測井儀器的可靠性指標及其獲取途徑，提出了推薦使用的石油測井儀器可靠性指標（ mwture ， nolwnm ， mtbf ， mttf ） ；通過試驗，得到了所設計儀器的穩定工作時間（ mwture ） 。在研究數據處理方法時，闡述了伽瑪信號的特徵，對測量誤差類型進行了統計檢驗；介紹了數字濾波的基本理論、數字濾波方法的概況，並進行了分析；對伽瑪信號數字濾波效果的影響因素及其對測井曲線的影響進行了基本分析；從獲取平穩段真值、地層邊界的檢測與處理兩個方面，建立了數字濾波效果的評價準則（ rvi ， rmse ， sfi ） ，給出了相應的數字濾波方法及效果評價方法；探討了自然伽瑪信號數字濾波器的設計方法，提出了適合自然伽瑪測井的混合濾波方案，探討了混合濾波方案的實現途徑；通過對部分數字濾波方法的定量研究，給出了靈活可選的數字濾波系統構成及實現流程；提出的三種濾波方案，將用於era2000成像測井系統，對自然伽瑪測井數據進行濾波處理。It is both a theoretic and a practical project. after analyzing several identification methods, the writer put forward a method based on t - model equivalent circuit. to consider the skin effect, the writer modified the t - model equivalent circuit, adding the skin effect coefficients
經過分析幾種常用的電機參數辨識方法，如頻響法，最小二乘法和卡爾曼濾波法等之後發現在本課題的前提條件? ?空載全電壓起動下無法進行辨識，因此藉助于電機的t型等效電路模型。In the system realize part, the paper listed the system diagram and system logic diagram, introduced the method of building system kernel and building file system, detailed analysised the network code and the ip packets filter code. after that, the paper showed the realize of the graphical interfaces and gave us the example application ; finally the paper presened the process and the result of test, including the equipment, related standard, environment and the measures
在系統實現部分，本文列出了系統框圖及邏輯框圖，介紹了構建系統內核及文件系統的方法，對網路部分的代碼和數據包過濾部分的代碼都進行了詳細的分析，並對圖形化界面的實現進行了描述，給出了圖形化界面的實例應用；最後對所實現的安全網關的性能作出了分析，包括對測試設備和相關標準的介紹，測試的環境與方法，給出了測試結果。Furthermore, i analysis the international market which is the international part of the thesis. with the help of filter analytical method, i make a dividing assumption about the period of time in shanghai stock index and developed countries " share indexes and check up by granger - causality test and co - integration analysis
繼而進入了本文的國際部分：通過使用濾波分析的手段對上海證券市場綜合指數與世界發達國家股指的聯動時段提出劃分假設，然後通過granger - causality檢驗以及協整分析加以驗證。Alternatively, it is recommended that filtering be done as part of the data output process, just before it is rendered as part of the dynamic page
另外，建議就在數據作為動態頁面的一部分呈現之前，將過濾作為數據輸出過程的一部分來完成。3. the extracellular phb depolymerase was purified from 09 by using hydrophobic column chromatography and gel filtration technique in sephadex g - 100. the specific activity of the purified enzyme was increased by 37. 9 folds over crude extract, and the recovery yield was 8. 9 %
以粗酶液為起始，經硫酸銨分級沉澱、 sephadexg - 100凝膠過濾后，分離純化了該酶，純化倍數約為37 . 9 ，酶活力回收率8 . 9 。( 3 ) under the ideal conditions of no particle deposition, the complex effects of flow parameters and geometry on performance of microfiltration with outside helical flow were discussed. and it is suggested that when designing, several factors should be taken into account comprehensively. it is noted that increasing mf capability will, at the same time, increase the energy loss of the module
（ 3 ）綜合分析了在無顆粒沉積的理想情況下，流動參數、結構參數對微濾效果的影響情況，發現各參數對微濾效果的影響復雜，在膜器優化設計時必須綜合考慮各因素而適當選取，且微濾效果的提高是以過膜器壓力損失的增大為代價的，從而從理論上對實際微濾過程中觀察到的通量隨操作壓力的增大而增大的現象做出了解釋。However, hanson pointed out that their data showed that if coverage at the skin surface was low, the uv filters in sunscreens that had penetrated into the epidermis could potentially do more harm than good
但是，漢森指出他們的研究數據表明如果在皮膚表面塗得不夠厚，那些已經滲入表皮的防曬霜中的紫外線過濾成分有可能會帶來傷害而不是保護。However hanson pointed out that their data showed that if coverage at the skin surface was low the uv filters 10 in sunscreens that had penetrated into the epidermis 11 could potentially do more harm than good
但是，漢森指出他們的研究數據表明如果在皮膚表面塗得不夠厚，那些已經滲入表皮的防曬霜中的紫外線過濾成分有可能會帶來傷害而不是保護。分享友人