細流模 的英文怎麼說
中文拼音 [xìliúmó]
細流模
英文
rill mold-
On the conventional whole cell patch clamp mode. howevef, under the perforated whole cell patch clamp mode, l00 ll m snp caused a efficient increase in ik (. ) by 20 ' 2 % t4. 5 % at 60mv 4 - ap l0 mm, a kind of selective inhibiter of delayed rectifier potassium current [ ik ( v ) ], can not inhibit the snp - induced increase of ik ( c. )
應用相同的刺激模式,一在傳統全細胞模式下s pnovm 0卜m于m00vm對ik ( c一尤影啊… o仍)然而在穿孔模式下當細胞膜去極化至均0 v時, 1皿卜m p可明顯增加人0川達zo二士牛5 … 8廠選擇性延遲整流型鉀電流阻斷劑10mm個ap不能抑制snp對ik ( c 。Traffic simulation at signalized junction based on cellular automata
基於細胞自動機的信號控制交叉口交通流模擬The research aims at the demonstration and the mend of the design on the new purifier and presents a calculation method for solving the two - phase flow in fluid machine by the finite element method. after analyzing the two - phase flow in the new purifier by means of the continuum model, poisson equation, navier - stokes equation and continuous equation are derived and solved by using the finite element method. the solution on pressure, velocity and particle concentration simulates the departure well between oil and water, which proves the accuracy of the design on the new purifier
本文採用兩相流連續介質模型,由兩相分離流動理論得到控制方程,採用chorin的直接速度-壓力mac法的思路,對新型油水分離裝置內油水兩相流動作了細致的分析,同時首次把科氏慣性力引入兩相流模型中,進行分析和計算,將研究擴展到三維,並用有限元法分別解poisson方程、 n - s方程、連續方程的方法,對流場內壓力場、速度場、濃度場進行了分析和計算,較好地模擬了新型油水分離裝置內油水分離的現象,證明了設計方案的正確性。It is showed that numerical calculation could give the same position of separation line with the cold gas simulation. however, numerical simulation result is of a little deferent from cold gas simulation in some details, such as recirculation velocity and turbulent intensity. the main problem of numerical simulation is that the turbulent model is not perfect, and the computational grid is not precise enough
利用實驗結果對數值模擬的準確性作了檢驗和評價,結果表明數值模擬能給出與實驗結果一致的分離線位置,但在某些流動細節上還有差別,如迴流速度大小和湍流度等,數值模擬中存在的主要問題是湍流模型不夠完善和網格生成不夠精細。The computer speed is speeded up. the numerical results of the present models are in agreement with the theoretical solution and those of physical models. systematical numerical tests show that the present models can reasonably simulate the wave transformation, such as shoaling, refraction, diffraction, reflection, effect of currents and so on
比較詳細的模型驗證與應用表明,模型的數值模擬結果與解析解、物模實驗值吻合良好;可以較好地模擬波浪傳播過程中的淺水變形、折射、繞射和反射等多種現象;能正確合理地反映水流對波浪傳播的影響。Since web service model can not be used directly in the traditional workflow model, the paper detailed describe the design of the encapsulate and structure workflow, this workflow is different from the traditional workflow which is modeled in a graph method, we use the idea of the object oriented to make the workflow more reusable and easy to be deployed in web service environment
由於web服務模型並不能直接用在傳統的工作流模型中,因此就需要對傳統的工作流語言建模做相應的修改來適應web服務的特點。對此,本文就詳細討論了一種結構化封裝型工作流的設計,該工作流不同於以往工作流都是通過圖形化的方式建模,而是採用面向對象方法中的解釋器模式來設計一個封裝和結構化的定義流程。The subject of this thesis is to study ironless moving coil linear permanent magnet synchronous motor and the major works in this thesis are summarized as follows : 1 ) two analytical formulas are derived by concentrated current method and distributed current method to determine the magnetic field due to pm, based on the current model of pm. besides, two method ( magnetic charge method and solution by laplace equation method ) are also introduced with comparing their advantages and disadvantages. then the effects of the motor parameters on the flux distribution are discussed
本文對空芯動圈式直線同步電動機進行了深入細致的研究,內容包括: ( 1 )採用電流模型推導出兩種計算永磁磁極二維氣隙磁場的解析公式(集中電流法、分佈電流法) ,同時介紹了兩種永磁電機氣隙磁場計算方法(磁荷法,直接求解拉氏方程法) ,分析各種方法的優缺點,討論電機參數對氣隙磁密的影響; ( 2 )介紹了單層同心繞組的布置方式,根據安培定律推導出空芯動圈式直線永磁同步電動機的靜推力計算公式,分析靜態力?位移特性; ( 3 )建立空芯動圈式直線永磁同步電動機動態模擬模型,模擬不同驅動方式下電動機起動、穩態運行時電磁力、速度、位移的變化情況。Zero - voltage turn - on and zero - voltage turn - off in lagging arm and leading arm of soft - switching topology, working waveform of power transformer and process of rectifier and transition are presented in detail. the influence of resonant inductance of the power transformer, resonant capacitor and variation of load to the process of soft - switching are given
主要對軟開關滯后橋臂和超前橋臂的零電壓開通、關斷過程,功率變壓器的工作波形及整流換流過程進行了詳細的模擬分析,並重點討論了逆變器的諧振電感、諧振電容以及負載變化對軟開關過程的影響。In order to study the anomaly pattern of summer rainfall in north china and the cause responsible for the anomaly, the climate characteristics of summer rainfall in north china and related circulation pattern, water vapor transport and outgoing long - wave radiation ( olr ) were analyzed in detail in this paper. more attention was paid on studying the relationship between sea surface temperature anomaly ( ssta ) over the north pacific and summer precipitation anomaly in north china and an agcm was utilized to confirm the affection of ssta on the summer rainfall of the north china
為了揭示華北夏季降水異常規律及其成因,本文詳細分析了華北夏季降水的氣候特徵及有關的環流特徵、水汽輸送特徵和向外長波輻射( olr )特徵,著重研究了北太平洋海溫異常與華北夏季降水異常的關系,並應用大氣環流模式初步驗證了北太平洋海溫異常對華北夏季降水的影響。This paper is consisted of two major parts : one deals with the general working performance of the fmghp by setting up mathematic model and developing computer procedure, getting the datum related to the capillary flow and heat transfer, analysing the working characteristics of fmghp in different working temperature, heat flux and inclination angle etc. in this part, the prediction of capillary and boiling limit are also included. the other major part studies the flow and heat transfer characteristics in the micro - film region formed by the meniscus attached on the metalic fin in the micro rectangular groove. investigations on the influence of width of groove and other factors on heat transfer in this region have been made. the importance of this micro - region in the heat transfer of the entire heat pipe has been unveiled. the heat transfer characteristics gotten by this research could be used in design and application and also optimization of this kind of fmghp
本文在大量查閱現有國內外文獻的基礎上,總結並綜合前人有關微槽平板熱管理論研究方面的成果,對單面刻有槽道的微槽平板熱管進行了較為深入和細致的研究。本文的研究共分兩大部分,其中第一部分考察了該型熱管的整體工作表現,通過建立數學模型和開發相應的計算程序,得到了熱管內部毛細流動和傳熱的數據,分析了熱管在不同工作傾角、不同加熱熱流以及不同工作溫度等情況下工作特性的變化規律,考察了汽液界面上的剪切作用對熱管傳熱量的影響,並且進一步在理論上預測了該型熱管的毛細和沸騰極限。This thesis studys several distribution network reconfiguration algorithms detailedly, mostly concluding branch - exchange method, optimal flow pattern method, recursive fictitious flow method and hybrid flow pattern method. it analyzes theoretical basis of all algorithms, modified process and basic steps at length. besides it simptylniroduce other distribution reconfiguration algorithms and its development, compares the characters of all algorithms and puts forward a simplied recursive fictitious flow method, then according to a example proves the effect of some algorithms
本論文詳細研究了多種配電網路重構演算法,主要包括支路交換法、最優流模式法、遞歸虛擬流法和混合流模式法,詳細分析了各種演算法的理論依據、改進過程和基本步驟,簡述了其它相關重構演算法的思路及其發展,比較了各種演算法的各類特性,提出了一種簡化遞歸虛擬流演算法,並通過實例證明了幾種重構演算法的有效性。Firstly in this part, computer simulation methodology based on the baecher model for generating network of discrete fractures was presented, which includes the follow details : probability distributions of fracture density, orientation, trace length, size, and aperture and estimation of their statistical parameters ; stochastic models of fracture network ; monte - carlo ' s simulation method ; numerical simulation procedure and technicality. then, boundary element method was used to calculate flow through the generated fractured network. assuming single fracture as a two - dimension inexpressible isotropic porous media, boundary element method equations for flow in single fracture and then in fracture network were derived using the weighted residual method
給出了離散裂隙網路模型所依據的基本假定;發展了基於baecher模型的離散裂隙網路計算機隨機生成技術:詳細地推導了單裂隙滲流和多裂隙相交網路滲流的邊界單元法公式,發展了離散裂隙網路中穩態滲流的邊界元數值技術,並且討論了相關的具體數值技術細節,如角點的處理方法,單元的自動剖分等:描述了混合邊界元?管流模擬方法及其數值實現;研究了裂隙網路的簡化方法,並針對裂隙網路邊界元法的特點提出了一種改進的分塊三角分解法。In this paper, based on the tide, tidal current and ocean wave numerical computing techniques and the constructive method of seabed terrain model, the fusion and visualization of multiple digital marine geographic environmental information for the nearshore marine environmental safeguard are locally realized by using the level of detail model and 3 - d rendering technique, which will provide theoretic and experiential basis for the study field in the future
摘要以潮汐、潮流和海浪數值的計算技術和數字海底地形模型的構造方法為基礎,應用層次細節模型和三維渲染技術,完成了近岸海洋環境保障的多種數字海洋地理環境信息的融合與可視化的局部實現,為今後此領域的研究提供了理論和經驗基礎。And then, in the simulation of three - dimensional, the application of o - type grid and hybrid grid are used in two relatively complicated structures make the total amounts of grids and the time of grid generation reduced greatly. moreover the hexahedron grids are placed in most areas to provide higher precision. through the comparison between the results of two - dimensional and three - dimensional simulation, we knew two - dimensional calculating is not adequate
本文用簡單、方便的二維模型作為數值計算的起點,使用耦合隱式演算法以及先進的v2f湍流模型進行求解,成功地捕捉到了激波,觀察到主氣流從壁面的分離、切換、再附壁等現象,並對計算結果進行了細致的分析,得出一些有意義的結論;在此基礎上,本文在國內外首次對超音速射流雙穩閥的三維流場進行了計算。Firstly, we analyze the transient and steady character of single phase high - impedance grounding fault. secondly, based on wavelet analysis on checking mutational signal and direction high frequency protection theory, utilizing zero sequence current and module current, this paper provides a new scheme including fault starting element, fault phase selection element, directional element and main criterion. this scheme can bear high impedance and is immune to system surge and frequency warp, which gets over the shortcoming of the lack of sensitivity
由於現有的保護方案無法快速有效地切除此類故障,本文在詳細分析了單相高阻接地故障的穩態和暫態特性的基礎上,從小波分析原理出發,利用小波變換檢測突變信號的原理,以零序電流、模電流等為研究對象,結合方向高頻保護的原理,設計了一套包含啟動元件、選相元件、方向元件、主保護的保護新方案。This thesis firstly analyzes logistics and electronic commerce theories and some kinds of patterns of electronic commerce logistics system. based on the supply chain theory and core competence theory and using econometrics, it concludes that the third - party logistics is better than self logistics. after discussing the problems of china logistics industry, it analyzes the logistics patterns that electronic commerce companies can choose at present. then it concludes the third - party logistics is the best choice of the pattern of china electronic commerce logistics system in a near future
本文首先對物流和電子商務物流的概念及相關理論進行闡述,然後對各種電子商務物流系統模式進行詳細的分析,基於供應鏈理論和核心競爭力理論,應用實證分析得出第三方物流優于自營物流的結論,接著探討中國第三方物流業發展的一些問題,分析近期電子商務主體對物流模式的選擇,之後指出第三方物流是中國電子商務物流系統模式的發展方向,並對第三方物流業的發展提出了一些建議。In the last section, as the design methods of high - order current - mode integrated filters, the equivalent circuits and the multi - loop feedbacks are systematically expounded
最後本文詳細介紹了高階電流模式濾波器的系統方法,闡述了等效電路替代法和多環反饋法,給出了設計的具體步驟。The degradation and lifetime model is deeply discussed, dynamic and static stress suffered by devices and circuits are compared and analyzed. a modified model for lc is proposed for better fitting the experimental data and the substrate current model parameters eerit and lc, degradation parameter h, m, n are extracted by the static stress experiment results
詳細分析討論了mosfet的壽命與退化模型,並對電路中器件所受的動態應力與直流靜態電應力進行了分析比較:根據實驗結果改進了有效導電長度l _ c模型;應用直流電應力實驗數據進行了襯底電流模型中載流子速度飽和電子科技大學博士論文臨界電場e ; 、有效導電長度lc以及退化參數h 、 m和n的提取。After comparing the effect each mode makes between h company and each of the relevant firms, this research tries to find out an optimal inter - organizational structure mode between h company, distributors, assembly plants, and key material suppliers. this research emphasizes to analyse how the demand fluctuation has great impact on h company ' s inventory and service level, and explore the essential cause which results in problems. and to next, we come to understand how vmi and tpl act positively to reduce safety inventory, improve quick response to customer ' s need, and enhance the information availability
本文的研究重點在於分析了兩種不同性質的需求波動對h公司的影響,指出產生高庫存與低訂單及時率問題的根本原因在於下游企業需求波動的影響,以及詳細探討並驗證了供應商管理庫存模式( vmi )和第三方物流模式( tpl )對降低局部系統庫存、提高服務水平、增強信息可得性的作用和對雙方的利益所在,並從h公司的立場出發,在風險共擔的原則下,探討了建立一定組織結構模式的必要條件和h公司所需付出的投入。Using fluid analyze software, the 3d turbulent flow is stimulated based on navier - stokes equations and k - model. the turbulent flow through axial flow pump impeller is simulated by using the non - uniform triangle mesh system and the finite volume method. calculated results are presented at the design operating condition for the impeller in detail, which give a valuable reference to improve the performance of the impeller
最後,應用cfx流體分析軟體,基於n - s方程和標準-紊流模型,採用非結構化網格技術,用聯立求解各變量代數方程組的方法對設計工況下的軸流泵葉輪內部的三維紊流場進行了詳細的數值計算與分析,並預測其性能。分享友人