濾過速率 的英文怎麼說

中文拼音 [guò]
濾過速率 英文
drainage rate
  • : 動詞(除去液體雜質) filter; strain
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 率名詞(比值) rate; ratio; proportion
  • 速率 : speed; rate; tempo
  1. A rapid decrease in kidney function was defined as a decrease in estimated glomerular filtration rate ( gfr ) of at least 6 ml / min per 1. 73 m per year

    以後每4個月.腎臟功能的快減退被界定為一種評估腎小球( gfr )的下降,至少為6毫升/每分鐘1 . 73米左右。
  2. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動學原理的單站無源定位理論基礎上,本文第二章提出了幾種在角度測量的基礎上增加角度變化及相對運動的離心加度等運動學參數的單站無源測量模型,並對它們進行了分析和模擬;第三章分別對利用角度及其變化信息定位和利用離心加度信息定位的可觀測性進行分析並得到了相應的可觀測條件;第四章針對傳統擴展卡爾曼( ekf )方法的缺點,提出了一種修正協方差的擴展卡爾曼波( mvefk )方法,並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位波方法進行了性能模擬比較;第五章通引入雷達機動目標跟蹤方法和模型,提出了利用角度及其變化對機動輻射源跟蹤的多級噪聲自適應方法和imm方法;第六章主要對角度變化和離心加度參數的獲取技術進行了研究,提出了幾種高精度測量脈沖序列多普勒頻變化的方法。
  3. To utilize the advantages of dsp chips, the system should be computing sources economical. according to digital signal processing theory, the poly - phase fir can help reduce the workloads of the ddc / duc. therefore, adding the complex carrier mixers, the channelization system ( a method of using a single wideband facility to transmit many relatively narrow - bandwidth signals. by subdividing the frequency spectrum used in the wideband channel ) can be formed utilizing the characters of fft

    為了使開發出的軟體可以適用於高dsp器件開發,節省系統資源,課題首先從數字信號處理的理論進行分析,得出可以利用抽樣轉換的數字波器的特點,即多相波實現數字上下變頻計算負擔的減小,之後進一步將多相波器與頻譜搬移部分結合,通公式的推導,得出可利用快傅立葉變換的特點實現多路信號的通道化發射和接收的處理模型。
  4. The stability output second harmonic generation ( shg ) experiment results of single - longitudinal mode and multi - longitudinal mode with long cavity were explained reasonably with these rate equations. the high polarization of fundamental wave in the isotropic laser media nd : yag with type - i critical phase - matching lbo was studied with the rate equations including polarization of fundamental light. using the polarization function of lbo, a quartz full - wave plate was introduced into the cavity, a kind of birefringent filter by considering the combination of the polarization function of the type - i critical phase - matching doubling frequency crystal lbo and the quartz whole - wave plate was constructed

    將腔內多縱模倍頻方程推廣應用到準三能級藍光激光器中,分析了一個縱模、兩個縱模、多個縱模時的噪聲情況,合理地解釋了實驗中激光器單縱模運轉以及長腔多縱模運轉時穩定輸出的實驗現象,同時利用該方程分析了以各向同性激光晶體nd : yag為工作物質,類臨界相位匹配lbo為倍頻晶體的藍光激光器中基頻光偏振特性,合理利用類臨界相位匹配lbo倍頻晶體的偏振特性與引入的石英晶體全波片構成雙折射光片,通選單頻來抑制噪聲,獲得了藍光低噪聲的穩定輸出。
  5. Based on the experiment of dust removal in a granular layer at normal temperature and the analysis of the experimental results, the influence of filter particle diameter, layer thickness and filtration velocity on the dust removal efficiency was researched

    摘要在常溫下,採用固體顆粒層進行除塵的實驗研究,並對實驗結果進行分析,探索了介質粒徑、層厚度和度對除塵效和床層壓力差的影響。
  6. Abstract : concentration polarization and fouling of membrane are the key problen which has effected in widening use of microfiltration. based on understanding on the flux decline and lateral migration deposition of porticles in tubular membrane, some analysis on effect factors of enhancement of microfiltration within tubular membrane with rotation flow is introduced, in this paper

    文摘:濃差極化和膜污染是阻礙微廣泛應用的關鍵難題,在認識理解顆粒遷移沉積和下降的基礎上,本文對旋轉流管式膜微進行了一定的探討分析。
  7. The following algorithms have been proposed and tested in the thesis : 1 frequency selective fading : combine the isomorphism between the input space and the output space and propose a new approach to blind equalization of the channel. compared with conventional methods, the new approach offers lower computational complexity, better performance, and more robust against the over - determination of the system order ; 2 time selective fading : a new approach to the equalization of time selective channel based on the zero - forced equalizer is proposed which is more simple in its structure of algorithm ; 3 time - varying channel : using the instantaneous mean value changes of the output signal to extract the information of channel variations and model it using ar model, kalman filter is then employed to track channel variations, it bears faster ability in tracking the variation of tv channels ; based on the isomorphism between the inputs and the outputs and some of the approaches using in mimo system, a new algorithm of equalization of simo time - varying channel is proposed, which also share the merits of being robust against the over - determination of the system order ; model the time - varying channel using the multi - resolution decomposition wavelets, and then a blind identification method based " on the model is proposed ; at last, a new model for equalization and identification of mimo system is proposed

    主要工作在以下幾個方面: 1 、針對頻選擇性衰落通道:結合輸入輸出空間同構關系提出一種新的頻選擇性通道均衡方法,與傳統方法相比,該方法計算量更小,收斂度更快,性能更優,且對系統階次的確定表現穩健,具有實際均衡應用價值; 2 、針對時間選擇性衰落通道:提出一種基於迫零均衡的時間選擇性通道均衡方法,演算法結構簡單; 3 、針對時變色散通道:利用瞬態均值曲線提取通道時變信息,對之ar建模,利用卡爾曼波器跟蹤時變通道抽頭變化,可以快跟蹤通道變化;基於輸入輸出空間之間的同構關系以及多輸入多輸出系統的處理方法,提出了新的單輸入多輸出色散時變通道均衡與識別演算法,同樣具有對通道階次確定保持穩健的優點;結合小波多解析度分析提出一種基於小波模型的通道盲識別演算法;研究時變的多輸入多輸出系統的盲均衡與盲反卷積問題,給出一種時變系統處理模型。
  8. Secondly, ground on the duct noise control, the delayed - lms algorithm, which is actulized easily, is brought forward, then the simulation on pc is achieved. it is shown from the computer simulation that for the single frequency noise, there will be a good effect when choosing the suitable parameters ; but for the narrowband noise, the effect will become worse with increasement of the bandwidth. this result is helpful to analyze the parameters influencing anc

    結果表明: ( 1 )隨著波器長度的增大,系統收斂度變快; ( 2 )隨著值的增大,系統的收斂度增大,但是當值超某一范圍時會引起系統的發散; ( 3 )次級通路的延遲數與初級噪聲頻有關; ( 4 )對于窄帶信號, dlms演算法可以取得一定的降噪量,但是隨著窄帶信號帶寬的增大,降噪效果明顯變差。
  9. Then the pulse is modulated by pwm. after the modulated signal through a low pass filter, we can get the change of the frequency that related to the capacitor

    對頻變化的脈沖進行寬度調制,通低通波就可以輸出頻變化量,也就可以得到相應的加度值。
  10. Zy series vibrated filter is one of precised powder griddle, low noise, high efficiency, need only 3 ~ 5 minutes to rapidly replace the griddle, all closed structure. used to filter particles, powder and mucilage

    Zy系列三次元振動篩是一種高精度細粉篩分機械,具有噪音低、效高、快換網只需3 ~ 5分鐘,全封閉結構,適用於粒、粉、粘液的篩分
  11. Based on the same number of transfer units, the mass transfer rate in the counter - current flow arrangement is the largest, and the enhancement of mass transfer by means of the ultrafiltration flux in the co - current flow system is the highest

    在相同之傳送單元數下,以逆流流動方式者之質傳為最大,而超對質傳之提升則以順流流動方式者中最為明顯。
  12. The dust - collection mode is a major determinant in the performance of bag - type precipitator and has close relationship with the dust - collection efficiency, pressure loss, filtering wind speed and the service life of filtering bag

    清灰方式是決定布袋除塵器性能的一個重要因素,它與除塵效壓力損失袋壽命有著密切的關系。
  13. The following important work has been done : ( 1 ) some special problems of rate - bias laser gyro were analysed. the problems include modulation and demodulation of the output and algorithm of the attitude updates ; ( 2 ) the integrated navigation system with the fault tolerance property which equipped with many navigation equipments as sins, gps, dvs, ads, mg, vg is designed, and compared with that of ckf via simulations ; ( 3 ) the theories and methods of system level fault detection apply to federated filtering is investigated ; ( 4 ) the problem about using the fused information of sins based on rate - bias laser gyroscope / dynamical tune gyroscope to realize the component level hard fault interactions detection through a back - propagation neural network is discussed

    主要研究工作有:研究了偏頻激光捷聯慣導的陀螺測量信號的解調演算法;設計了在偏頻激光捷聯慣導、 gps 、多普勒雷達、大氣數據系統、磁航向儀及垂直陀螺配備條件下聯邦波組合導航系統,對聯邦波器和集中波器的性能做了模擬對比分析;研究了適用於聯邦波器的系統級故障理論和方法;探討了利用偏頻激光捷聯慣導撓性捷聯慣導陀螺的混合測量信息,通神經網路實現硬故障交互檢測的方法。
  14. Test method for filtration rate of ceramic whiteware clays

    衛生陶瓷粘土的的測試方法
  15. Filter cartridges - test methods - absolute filtration rating

    盒.試驗方法.絕對
  16. The filter rate of the rotating impeller press filter and its effective factors in the dye wastewater treatment after flocculation were studied, the dynamic filtration was compared with the terminal filtration, and a comparative research was made of the efficiency in the dye wastewater treatment of the ceramic film and the organic film

    考察了以陶瓷膜為介質的旋葉壓機對絮凝后的廢水進行處理的及其影響因素,進行了動態與終端的比較,以及陶瓷膜與有機膜在廢水處理效果上的對比研究。
  17. The main strategies are the use of dynamic link lab ( dll ) and memory mapping. by these ways i improve the speed of the firewall successfully. the issue is consisted of two parts : modeling theory, windows 2000 firewall ' s modeling and development

    資源的控制和分配問題直接影響防火墻的,該論文按照資源優化使用的設計思想進行軟體建模和設計,主要策略是採用了動態連接庫和內存映射來減少防火墻對外存的訪問,達到提高防火墻度的目的。
  18. The biggest difference between the slow and rapid filtration methods was in their speed

    法與慢法最主要的差別在於
  19. In order to study the regeneration mechanism of dpf in detail, we still need a mathematical model of the channel unit, which present temperature field and the soot reaction rate of the channel. finally, it points out the influences of various factors to the regeneration process by computing the numerical solution of model under different boundary conditions and geometry parameters, such as the initial temperature, the gas flow rate, the oxygen concentration, the sediment quantity and the wall thickness of the filters, and so on. in this way, the paper provides theoretical guidance for optimization design of the dpf

    首先研究了干凈壁流式體的加熱特性,然後在加熱和燃燒理論的基礎上建立了微粒捕集器再生程的數學模型,並對模型進行了數值計算,得到了捕集器內部的三維溫度場分佈以及溫度梯度分佈,結果與實驗值吻合較好,驗證了模型的正確性;為了詳細的研究微粒捕集器的再生機理,建立了孔道單元數學模型,得到了孔道內的溫度場分佈和微粒反應分佈;最後,通求解模型在不同邊界條件和不同幾何參數下的數值解,分析了各種因素對再生程的影響,如體初始溫度、體內氣流的流動、氧濃度、微粒沉積量以及體壁面厚度,為微粒捕集器的優化設計提供理論指導。
  20. The biological removal of iron could consist of three stages : firstly diffusion and secondly adsorption thirdly biological oxidation ( regeneration ), and the third was central

    生物除鐵程可能經歷擴散、吸附和生物氧化(再生)三個階段,除鐵遵循一級反應動力學。
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