換質變質層 的英文怎麼說
中文拼音 [huànzhíbiànzhícéng]
換質變質層
英文
metasomatile deposits-
After completing the mctf using db2 wavelet, it is well integrated with discrete wavelet transform ( dwt ) and embedded zero tree wavelet. it uses atom structure to organize the coded bit - stream to achieve the brilliant combination of three scalabilities : temporal, spatial and psnr scalabilities. and the software platform is based on vc + + 6. 0
在基於db2小波的運動補償時域濾波方法實現之後，本文將之和離散小波變換（ dwt ） 、嵌入式零樹編碼進行有機結合，並採用基於基本原子粒的數據流組織結構將分層后的數據流有效地組織起來，實現了具有時間、空間、質量三方面的完整可伸縮性的編解碼系統，系統的軟體平臺基於vc + + 6 . 0實現。Meanwhile, fundamental principles about electroless tin plating by reducing agent and disproportionation reaction were explained. function of every component in the bath was explained that complexing agent can effectively change the potential of copper and tin, and accelerate the beginning of replacement reaction favorably ; reducing agent can increase the rate of chemical reaction and has the effect of promoting reaction dynamics too ; antioxidant can effectively prevent sn2 + in the bath from being oxidated ; additive agent a can improve the stability of the bath ; additive agent b has such effects as refining and brightening for the tin deposits, and it enlarges the range of brightening section ; additive agent c used as leveling agent can not only make the depostis level off, but also improve the dispersive ability of the bath ; surface - active agent can solve bubble problem which gathered on the surface of the deposits, and improve the surface quality of the deposits and the bath stability
闡述了鍍液中各組分的作用：絡合劑能有效地改變銅、錫的電位，促使初期的置換反應順利進行；還原劑能加快化學反應速度，對反應動力學有積極的促進作用；抗氧化劑能有效地防止鍍液中sn ~ （ 2 + ）的氧化；添加劑a能提高鍍液的穩定性，添加劑b對鍍層能有細化和光亮作用，擴大了鍍層光亮區的范圍；添加劑c作為平滑劑，不僅能增強鍍層表面的平整性，而且能提高鍍液的分散能力；表面活性劑較好地解決了化學鍍過程中汽泡在鍍件表面聚集的問題，提高了鍍層的表面質量和鍍液的穩定性。To the large - scale atmosphere, we separate the terms of the horizontal vorticity converting into the vertical vorticity, which considered as the baroclinic terms, from the terms that not including horizontal vorticity by the rules of the p coordinate transforming to the z coordinate in the traditional vorticity equation, and carry out the scale analysis, and then conclude that the baroclinic terms are able to reach the same magnitude grade as the partial derivative of the vertical vorticity to time when it takes place the large scale precipitation in the summer monsoon period in china. by analyzing the game reanalysis data from april to august in 1998 in the region of chinese continent, we found that the baroclinic terms is important to the large - scale cyclone developing above the 600hpa, and the magnitude changing of the baroclinic terms is nearly in - phase as the monsoon movement, so which imply exactly that the magnitude changing of the baroclinic terms is the one of the natural characters of the summer monsoon evolution and equivalent to the movement rule of the subtropical high of the western pacific
在p坐標垂直渦度方程中，利用p坐標向z坐標轉換的公式將水平渦度向垂直渦度轉化的所有項分離出來，這些項具有明顯的斜壓特徵，對其進行尺度分析后，得出在可以忽略潛熱釋放對渦度影響的對流層中、高層，此轉化項是大尺度斜壓渦度發展的重要項。通過對1998年48月的game再分析資料進行實際計算也發現，轉化項在東亞夏季風上升支的600hpa及以上層次對垂直渦度的局地變化貢獻很大，不能忽略。同時發現水平渦度向垂直渦度的轉化在南海季風爆發時和江淮梅雨入梅及發展過程中均有指示性意義，在南海季風爆發以後，在中國東南部地區，轉化項的大小與夏季風的活躍和中斷等活動有著幾乎一致的變化規律，這從側面也指出了，此轉化項的變化是夏季風演變所具有的本質特徵，並且它反映出了西太平洋副高在中國大陸的活動情況。Use of mineral silicate as adsorbent in wastewater treatment is studied, which refers to its modification with different methods in order to improve the adsorption ability
摘要國內外許多學者對硅酸鹽吸附劑進行了改性研究，通過增大吸附劑的比表面積、改變表面化學性質、增強離子交換能力以及擴大層間間距等來提高吸附劑對污染物的吸附量。During processing the pumping station groundwork of the collapsibility loess in ningxia south mountainous area, we used the method of soil - exchanging to designing, constructing and collapsibility distortion observation on thickly layer, and found a conclusion that soil - exchanging on processing bad geological hydraulic engineering groundwork was a method of less investment, shorter project time and good effect
摘要通過對寧夏南部山區嚴重濕陷性場地建設揚水泵站的地基處理，和對換土法在深厚層濕陷性地基中設計、施工、沉降變形觀測等的論述，得出水利工程在處理地基不良地質問題中，換土法具有投資少、工期短、效果好的結果。To explore and make clear the background factor of the behaviors, the dynamic relationship and cause - effect relationship between organizational politics perceptions and consequential behaviors. this paper, based on the five theories related to power at different levels, personal perspective, strategy contingency theory, social exchange theory and structural theory. there appear several problems in the development of key disciplines and processes of crossing and assimilating of subjects, including system tie, the character of scientists, the problem of administers, which influence the development and construction of subject, through abstracting, summarizing and based on “ swot ” analytical model from the theory strategic competition by michael baud, we divide organizational politics behaviors in the organizational development of college subjects and crossing and assimilating of subjects into several sorts : including ( 1 ) offensive model ( 2 ) defensive model ( 3 ) strengthening model ( 4 ) shrinking model
為探索和理清重點學科組織政治行為的背景因素，組織政治知覺與后續產生的組織政治行為的動態關聯性與因果關系，本研究以五種不同層次與權力相關的理論，即個人特質理論觀點（ personalperspective ） ;策略權變理論觀點（ strategycontingencytheory ） ;沖突理論觀點（ conflicttheory ） ;社會交換理論觀點（ socialexchangytheory ） ;結構化理論觀點（ structurationtheory ）為基本理論依據，將重點學科學科發展以及學科交叉與融合過程中出現的諸如體制束縛、科學家自身素質、管理層問題等影響學科建設與發展的共性現象進行提煉、總結，並依據「邁克爾?波特」的戰略競爭理論學說中的「 swot 」分析模型，將大學學科組織發展及學科交叉與融合中存在的組織政治行為進行提練歸類，分為（ 1 ）進攻型; （ 2 ）防守型; （ 3 ）增強型; （ 4 ）退縮型四類政治行為。The result showed that the contamination situation in the lower zone of the office, i. e. the zone of occupants, was affected by of that of supply air. the supply air contamination should be kept to a low level in order to provide a good indoor air quality. however, the variation of the supply pollutant concentration has no influence on the indoor contaminant distribution of such system
本文針對氣態污染物，研究了不同送風濃度對系統的影響，結果表明：置換通風房間的下部區域受送風污染物濃度的影響較大，人的工作區恰好處于該區，實踐中需要控制好送風濃度以保證人呼吸區的空氣品質；但是送風濃度的變化並不影響置換通風下污染物的分層分佈的特點。The conformal microstrip antenna with some unique character has been applied in many fields, especialy on speedy objects. in this paper, an efficient fdtd algorithm is introduced to analyse the microstrip antenna. firstly, the fdtd formula in descartes coordinate system and in cylindrical coordinate system are obtained from the time _ dependent maxwell equations using the yee algorithm in a calculating region where the dielectric parameters are independent of time and space. the choice of the space discretization units and the time discretization interval are discussed which are decided by the accuracy and stability respectively. the shape and setup of the excitation source are discussed too. the excitation source is chosen to be gaussian pulse in shape. secondly, the mur ' s first - order and second - order boundary condition are deduced in cylindrical coordinate system. the methods of transforming radiation fields from near zone to far zone in the frequency domain and in the time domain are presented when fdtd is applied to analyse the characteristics of far zone. finally, three kinds of microstrip antennas are analysed. they are a slot antenna that lies on a plane ground of a microstrip, a slot antenna that lies on a cylindrical ground of a microstrip and a microstrip line _ fed aperture coupled stacked rectangular patch antenna in cylindrical coordinate system
本文從麥克斯韋旋度方程出發，建立了笛卡兒坐標下無源空間中均勻無耗媒質的fdtd基本方程和圓柱坐標下無源空間中均勻無耗媒質的fdtd基本方程，詳細討論了fdtd法計算中時間步長和空間步長的選取原則以及激勵源的類型和設置；推導了mur一階和二階邊界條件在圓柱坐標下的差分格式；給出了在用fdtd法計算天線的遠場輻射特性時必需採用的頻域和時域近場遠場變換技術；最後用fdtd法計算了平面微帶縫隙天線、柱面共形微帶縫隙天線和柱面共形微帶層疊天線的輸入阻抗和遠區輻射場，並分析了天線的一些參數的變化對天線輸入阻抗的影響，得出了一些有用的結論。All the contents are developed around a set of scaling laws taking the form of exponentials which relate to almost all the issues of complexity including fractals, chaos, strange attractors, localization, and symmetry breaking, etc. the main work can be summarized as follows : starting from the law of allmetric growth three fractal dimensions in a broad sense are derived, and according to these dimensions, geographical space is divided into three levels, i. e., real space, phase space, and order space, each of which corresponds to a kind of dimension. based on the idea of spatial disaggregation and using the rmi ( relationship - mapping - reversion ) principle, the urban system is formulated as three scaling laws of the three spaces, including number law, size law, and area law, which can be transformed into a set of power laws such as allometric law and zipf ’ s law associated with fractal structure
從異速生長律的縱向、橫向和切向三個角度將地理空間劃分為實空間、相空間和序空間，分別對應于空間系列、時間序列和等級序列三個層面，每個層面的測度各有自己的空間維度。基於「空間循環細分-等級體系-網路結構」的數理等價關系，利用rmi （關系-映射-反演）原則，成功地實現了城市系統宏觀模型的理論抽象，將空間復雜性問題表徵為簡單的指數式標度定律（包括數量律、規模律和尺度律） ，這一組標度律可以與一組冪次定律（包括具有分形性質的規模-數目律、異速生長定律和三參數zipf定律）互為變換。The dissertation refers to comparatively full literatures in the field of vsc, and the development history and characteristics of vsc are summarized, and the elementary concepts, elementary definitions, elementary properties, elementary principles and design methods are particularly introduced, and the causes of the chattering phenomenon are systematically analysed, and the study status of the chattering phenomenon and the main methods to eliminate the chattering are elaborated. for the deficiencies of traditionary methods, three improved methods are developed, which are improved exponent reaching law solution, variable boundary layer solution and the solution by adding an auxiliary continuous control term. for uncertain linear systems, an adaptive fuzzy integral variable structure control stategy ( afivsc ) is put forward to eliminate the chattering around the sliding plane, which introduces fuzzy logic to soften the non - linear discontinuous sig nal in the control variable and utilizes adaptive theory to adjust output membership function according to how much the uncertainty of the system is
比較全面地查閱了關于變結構控制理論的文獻，總結了滑模變結構控制的發展歷史和特點，詳細介紹了變結構控制的基本概念、基本定義、基本性質、基本原理以及設計方法；系統分析了變結構控制系統抖振產生的機理，並闡述了國內外目前對抖振問題的研究現狀以及消除抖振的主要方法；針對傳統抑制和消除抖振方法的不足，改進了傳統方法，得到了三種新的消除抖振的方法? ?即改進的指數趨近律法、可變邊界層法和附加連續項法；針對不確定性線性系統，在變結構控制策略中引入模糊邏輯和自適應理論來消除滑動平面上的抖振，提出了一種自適應模糊積分變結構控制方案（ afivsc ） ，利用模糊邏輯來柔化控制量中非線性不連續部分，採用自適應理論，根據系統不確定性大小在線調整模糊輸出量的隸屬函數，另外，鑒于模糊控制本質上是有靜差的，所以本文選擇了帶積分項的切換函數，由於積分項的存在使系統較正為無靜差系統。But it will affect the airflow organization with the cooled airflow drops. also, it studies the impact of solar radiation on displacement ventilation and cooled ceiling system. horizontal warm areas lowers the height of thermocline and is unfavorable to displacement ventilation system ; vertical hot surfaces will destroy the thermal stratification
水平熱表面的存在，會使系統的溫躍層高度降低，對置換通風系統會有負面影響，為了減小水平熱表面的影響，對于地板材料應該選擇對長波輻射吸收較低的物質;垂直局部熱表面的存在會破壞置換通風系統溫度分層的特性，使垂直方向溫度變化減小。Further, analyse the characteristic of the seismic wavefield of fractural reservoir and the influence caused by fracture density, property of the filled material and the strike of fracture. fifthly, in term of research of zhangshulun et al., concisely discuss the arithmetic of the plane wave forward modeling and migration with phase shift method, in prestack common offset gathers and check the arithmetic by numerical simulation
第四，用基於彈性?聲學近似的反射系數計算公式和本文提出的付氏變換子波生成法得到縫洞模型的反射系數模型和子波模型並用vrselrf波場延拓運算元對其進行地震波場數值模擬；進一步分析了縫洞儲層的地震波場特徵及縫洞密度、充填物性質和裂縫走向對其波場特徵的影響。The system is described mathematically on the basis of mass balance, energy balance, and phase equilibrium. the model of process simulation of the aht system is set up. the solution system of mathematical model of absorption cycles was put forward
對吸收式熱變換器（ aht ）的基本原理和行為特徵在系統層次上進行了分析，進而根據質量平衡、能量平衡和相平衡方程對系統進行數學表述，建立了系統的過程模擬模型，並提出了aht吸收循環數學模型的求解機制。This paper has set up a platform of multi - parameter nonlinear study and multi - parameter estimate to reservoir by means of the technology of multi - attribute transformation and neutral network combined with multi - attribute analysis of seismic parameters, reservoir inversion and reconstruction of reservoir geophysical characteristics on the foundation of large numbers researches and data - drive law in prediction of reservoir so as to provide more accurate geology conclusion and exploration deployment scheme in practical application. besides, concrete example analysis has been made on this technology aiming at different types of oil - bearing reservoir prediction. summing up the characteristic of this technology, this paper point out its further direction in development
基於上述目標，本文主要做了以下幾方面的工作：詳細分析了石油勘探局中多種儲層預測方法的技術特點及本身在解決實際地質問題上的不足之處；在繼承前人研究和技術的基礎上，以「數據驅動法」為數學物理的理論基礎，通過多屬性變換和神經網路技術，把地震參數的多屬性分析技術、儲層反演技術和近年出現儲層物理特徵重構的技術思想有機地結合在一起，建立起一套儲層多參數非線性預測研究和儲層多參數估算技術平臺；對該項技術針對不同類型含油儲層的預測研究做出了具體的實例分析；總結了該項技術的特點，並指出進一步的發展方向。In the model, many processes or phenomena such as crack friction and growth, heat conduction, phase transformation of oxidant particulates, heat generation by viscous liquid layer, chemical reactions of gases in cracks, heat and mass exchange between phases of gas and solid, are described
模型描述了裂紋滑移擴展、熱傳導、含能顆粒相變、液化層粘性加熱、裂紋內氣相反應、氣相固相質量能量交換及與裂紋擴展耦合等過程。( 3 ) aiming at the deficiency of present methods of network traffic anomaly, this paper proposes a new scale - adaptive detection mechanism. by means of wavelet packet decomposition, our method has the same detective ability to middle and high frequency as well as low frequency anomaly ; by means of reconstruct the wavelet packet
該方法利用層疊模型從本質上體現流量性質的特點，選擇用多分辨分析（ mra ）和小波變換模極大（ wtmm ）估計層疊模型的判定條件作為檢測依據，通過對擬合曲線誤差的估計來判定異常的發生。This paper is chiefly to set up a platform of multi - parameter nonlinear study and multi - parameter estimate to reservoir by means of the technology of multi - attribute transformation and neutral network combined with multi - attribute analysis of seismic parameters, reservoir inversion and reconstruction of reservoir geophysical characteristics on the foundation of large numbers researches and data - drive law in prediction of reservoir so as to provide more accurate geology conclusion and exploration deployment scheme in practical application. basing on the mentioned objective above, this paper has analyzed characteristics of many methods of reservoir prediction in the petroleum prospecting and their shortcomings in the practical geology problem of resolution
本文主要目標就是在大量研究技術的基礎上，以儲層預測研究中的「數據驅動法」為數學物理上的理論基礎，通過多屬性變換和神經網路技術把地震參數的多屬性分析技術、儲層反演技術和儲層地球物理特徵重構的技術思想有機地結合在一起，建立起一套儲層多參數非線性的預測研究和儲層多參數估算技術平臺，最終在實際應用中提供更加準確的地質和勘探部署。( 5 ) discovered a abnormal law that the sonic velocity was enlarged with increasing of die core porosity in the sandstone reservoir of the haojiagou formation in triassic, and gave a geologic interpretation about the phenomenon. it was helpful to convert the sonic velocity into die porosity correctly in reservoir. ( 6 ) gave a primary reason for producing a little oil and gas in the well ha - 2 and ha - 3 of the sidaogou structure
通過取心段地層巖性與聲波測井速度分析，首次發現郝家溝組儲層段巖芯孔隙度與聲波時差（聲波速度）存在反常變化規律，並對這種現象進行了較合理的地質解釋；提出了儲層預測中應注意的問題，首次提出在本區按常規方法利用聲波時差換算孔隙度存在陷阱。The accurately controlled signal source generates sinusoidal elastic wave accurately controlled in frequency and stable in phase to " illustrate " underground media. time signal stacker receive signal by stacking and doing fft to measure the transfer function of media. " sompi " cepstrum method retrieve group velocity travel times and decayed factors of wave element from observational data of transfer function in a limited frequency window
精密可控震源用於產生頻率精確相位穩定的正弦彈性波以照射地層內部，信號疊加器通過對接收信號進行疊加和進行傅立葉變換的方式實現對介質傳遞函數的精密測量， 「存否」倒譜方法能夠根據一段窄帶頻域傳遞函數數據獲得時域上各個波成分的群速度傳播時間和介質衰減因子。Because of the complication of ground condition, the ground is regarded as continuous layers and each layer of soil is defined as a uniform and elastic object. by solving the wave equation ( navier equation ) of three - dimensional elastic object, the results of ground under moving loads in wave number ? frequency field are obtained, then through the rapid fourier reverse transform, the results in space - time field are obtained
由於地質條件的復雜性，將地基看成是層狀的，並且每層都是均勻彈性的，通過解三維彈性體的波動方程（ navier方程）得到地基在移動荷載作用下的波數-頻域的解，再通過快速fourier逆變換（ fft ）求得空間-時間域的解。分享友人