無散度的 的英文怎麼說
中文拼音 [wúsǎndùde]
無散度的
英文
solenoidal-
Papers also points out that the size of the adscititious powder agglomerate enwrapped by pure al melt, the effect and intensity of stirring shear force and the melt temperature at the beginning of reaction between the adscititious powder and al melt are the main factors affecting the in - situ reaction ongoing velocity
並指出了影響反應進行速度的主要因素是熔體中分散包裹的加入粉末團的尺寸大小、有無攪拌剪切力作用、反應進行時的熔體溫度。其中,粉末團尺寸大小與徹底完成反應所需時間的關系最大,大尺寸粉末團將大大延長反應時間。Lasers and laser - related equipment - test methods for laser beam widths, divergence angles and beam propagation ratios - stigmatic and simple astigmatic beams
激光和激光相關設備.激光束寬度發散角和束擴散率的試驗方法.無象散和簡單象散束Lasers and laser - related equipment - test methods for laser beam widths, divergence angle and beam propagation ratios - part 1 : stigmatic and simple astigmatic beams
激光和激光相關設備.激光束寬度發散角和束擴散率的試驗方法.第1部分:無象散和簡單象散束The research of this paper includes three parts : the first, according to the statistical figures about the cargo transport in recent years, it analyzes cargo transport structure and the changing law and the internal reason of cargo transport. at the same time it analyzes and calculates the change of the arriving ships " structure for a systematic and full understand of the transport demands. the second, it make a scientific forecast of the port ' s future cargo capacity making use of the grey forecast system, which provides scientific basis for medium - long term development plan of the port ' s cargo handling capacity
本文研究的工作主要分三個部分:第一,根據張家港近年來有關貨物運輸的一些統計數據,對貨物運輸的結構和規模演變的規律及內在原因作一剖析,同時對到港船舶的結構變化進行預測,以求對運輸需求有一個系統全面的了解;第二,應用灰色預測系統對張家港港未來港口貨運吞吐量進行科學預測,為張家港港貨物裝卸能力規劃提供科學依據;應用物元分析技術對張家港港口的未來發展前景作出一定程度的分析、研究,找出張家港港口未來發展規劃的零散無序、不成系統的因素,總結前人經驗的基礎上採用綜合評判物元模型進行評判,在預測港口未來發展規劃是否科學實際上具有獨到見解。Firstly, the surface characteristic of polystyrene particle is changed from water detesting to water intimity by using special techniques and admixtures so mat the compound quality with inorganic materials is insured. secondly, the contradiction between the weight and strength is solved through optimizing the particle size and using composite fiber and the best heat conductivity is achieved under the condition that the necessary strength is met. in the research process, the author solved the problem of fiber dispersing in insulating materials so that the contraction of the material is controlled
課題研究中,首先採用特殊的改性工藝及外加劑實現對聚苯乙烯顆粒表面的成功改性,使其表面由憎水轉化為完全親水,確保與無機材料的復合質量;其次,通過採用優化骨料級配及使用復合纖維等措施解決了保溫材料的輕質與強度的矛盾,使保溫材料在滿足必要的強度的前提下,導熱系數降至最小;並且,課題研究中成功解決了纖維在保溫材料中均勻分散的問題,達到了抑制保溫材料收縮的目的;最後,通過採用復合外加劑、合適的膠凝材料及合理的配比等措施確保該保溫材料具有良好的和易性,滿足施工的要求。In this paper, high - order accurate weighted essentially non - oscillatory ( weno ) schemes are investigated and their applications in hyperbolic conservation laws are discussed. based on this, a new weno difference scheme which based on dispersion - relation - preserving relation is developed, and representative test cases with this scheme for computational aeroacoustics ( caa ) problems has been implemented and compared in order to test capability of wave capturing ; in addition, weno schemes generally do not converge at high order in the presence of contact discontinuity of euler equations, so a conservative front tracking technique coupling weno schemes and level set method to simulate the translating density profile is presented here, and numerical simulation with this technique for representative test case has been implemented and results show the desired accuracy
本文研究了高階精度加權基本無振蕩( weno )格式及其在雙曲守恆律方程中的應用,在此基礎上作了兩個方面的工作:一是針對高頻聲波問題構造出一種基於保色散關系( drp )的weno有限差分格式,並對計算氣動聲學( caa )問題的代表性算例進行了大量數值實驗,比較了該格式捕捉波數的能力;另外,針對高階weno格式在處理euler方程的接觸間斷時精度有所降低的問題,研究了利用界面追蹤技術levelset方法和高階激波捕捉weno格式相結合的一種守恆追蹤方法,並且給出有代表性的密度滑移面問題的算例,得到一致高階精度的數值模擬結果。In this article, firstly the background of the textile trade conflicts within sino - us or sino - euro are introduced, thus learn that how to discern and dodge the foreign trade risks, how to choose the appropriate investment projects have already become one of the most important questions for exporting companies on foreign trade affairs well - known as high investment and high risk. so the main text makes a risk analysis qualitatively and quantitatively on a textile - exporting trading company from three angles of statistic 、 game theory and portfolio theory, which is the main content that we studied. firstly, the statistic article adopts data of the transaction closing price of the textile clothing index in shenzhen stock exchange at the end of each quarter as well as several other kinds of data reflecting the macro - economic changes, performs an empirical analysis of these data according to the theory of co - integration test 、 granger cause test and impulse response function of time series in economitric, and learn that the impact to ti is more obvious by the economic index reflecting local commodity price level and economic prosperity degree home and abroad, as well as the impact degree and the time lag degree, and knows the macro - economic risks faced by textile business enterprises ; after that by the game theory angle we analyze exactly the managing risks faced by one textile export corporation named beauty. from the game expansion chart the system arrangement between censor ways by exportation goal countries and exporting strategies by the exporting enterprises has been analyzed. involving the benefit assignment between them both the limited rounds and infinite rounds negotiations of cooperation games have been studied, and then country responsibility and the enterprise managing risks on foreign trade affairs and so on have been analyzed exactly ; in order to realize the investment multiplication in the certain degree to disperse the risk, the
本文首先介紹了中美、中歐紡織品貿易爭端的來龍去脈,由此可知在涉外貿易這種以高投入、高風險著稱的行業里,如何甄別和規避外貿風險、如何選擇合適的投資項目已經成為外貿企業的首要問題。因此,正文分別從統計學、博弈論和投資組合三種角度對涉外紡織品貿易公司風險進行了定性和定量的分析,這也是本文的主要研究內容。首先,統計學篇選取了深圳證券交易所行業分類指數?紡織服裝指數( ti )每一季度末的交易收盤價和若干種反映宏觀經濟變化的指標,利用計量經濟學中時間序列的協整檢驗、 granger因果檢驗和脈沖反應函數等理論做實證分析,從而得知反映國內物價水平和國內外經濟景氣程度的經濟指標對紡織板塊上市值的沖擊比較明顯,且可知沖擊程度和時滯度,進而分析出涉外紡織企業所面臨的宏觀經濟風險;接著,從博弈論的角度具體分析一家紡織品出口公司( beauty )的外貿活動所面臨的各種經營風險,該篇從博弈擴展圖入手,分析了出口目的國審查方式與本企業出口策略之間的制度安排;並圍繞雙方的利益分配,研究了有限回合和無限回合合作談判博弈,然後具體論述了國家責任和企業涉外經營風險等問題;在一定程度上為了實現投資多元化來分散風險的目的,投資組合篇從經典的markowitz模型著手,在一些特定條件的限制下,給出了一個相應的投資組合模型。As an example, the implementation of the laplace equation with the gridless method has been presented at first and the resulting large scale matrix equations are solved by gmres algorithm. the numerical simulations of the flows over a cylinder are tested successfully with clouds of different scales, which shows the " cloud " effects on the computational accuracy
本文先以代表定常不可壓位勢繞流的laplace方程為例,研究了laplace方程的無網格離散形式,並運用gmres高效演算法對其快速求解,數值模擬了典型的圓柱繞流;並通過不同點雲尺度的數值模擬,顯示出點雲尺度對計算精度的影響。This makes the intermediation system to be the most characteristic one in our civil case judgment however, along with the diversification of the society value, the dispersion of the society construction and the concretization of the society relationship, not only because the finite judicial resources ca n ' t bear the increasingly dilating issues, but also because of the awakening of the party concerned corpus consciousness, the intermediation system in operation already ca n ' t approach the requirements of the society for dispute solving with fair and efficiency, and this inevitably request adjusting and reconstructing the intermediation system of our court. from here caused the dispassionate considerations of the numerous scholars. they bring upped the standpoint of different views, surrounding the " retain ", " discard " and " reformulate "
然而,隨著社會價值的多元化、社會結構的分散化和社會關系的契約化,不僅有限的司法資源已不堪日益膨脹的糾紛所帶來的重負,更由於當事人主體意識的覺醒,使得現行調解制度已無法面對社會對于糾紛解決的公正和效率的要求,這必然要求調整和重構我國法院的調解制度,並由此引發了眾多學者的冷靜思考,圍繞法院調解制度的「存」 、 「廢」 、 「改」 ,提出了很多見仁見智的觀點。On the base of above it, this paper discuss the synthesis of optimum distributed arrays by nonuniform spacing in the sense of dolph - chebyshev. having derived the equations of optimum element distribution, we analyze the exponentially spaced array, which are optimum when the elements are isotropic and equally weighted, and the array by general raised cosine function. the formulate for estimating the sidelobe envelope, beamwidth of the array pattern and clean region width are obtained
推導了最佳陣元分佈方程,分別對陣元無方向性和等加權時的最佳分散式陣列? ?指數間隔陣列和採用廣義升餘弦加權的最佳分散式陣列進行了分析,推導了天線方向圖旁瓣包絡、波束寬度,干凈掃描區寬度的估計公式,給出了近軸旁瓣電平與陣列參數的關系。Routing and wireless resource management combining solution scheme in multi - hop wireless network is studied in this thesis, one distributive working scheme combined routing and wireless resource management is prompted and applied in eplrs communication network with the multi - hop wireless networking mechanism. that solves the high dependency on network controller and delay issue effectively, and satisfies the system ’ s communication business need
本論文對多跳無線網路中路由與無線資源管理相結合的解決方案進行研究,提出一種結合路由與無線資源管理的多跳無線通信網路分散式工作方案,並將多跳無線網的組網和此工作方案應用在eplrs通信網路中,有效地解決了eplrs網路集中式管理造成的高度依賴網控節點和時延問題,滿足了系統的通信業務需求。In this new method, the conventional espi system can be used to obtain the high quantitative phase results without using the phase shifting or the carrier device
這種方法只需要普通的電子散斑干涉系統,就可以達到高精度的測量,而無需相移或載波裝置。It ' s unable to estimate the dispersion effects. in this paper, we consider a model of heterscedasticity, and present a new algorithm on the basis of hamada and wu ( 1991 ) ' s iterated algorithm on estimation of location effects, combining brenneman and nair ( 2001 ) ' s mh method on estimation of dispersion effects. this algorithm of model selection and simutanious estimation of location and dispersion effects analyze unreplicated factorial experiments with censored data
本文考慮試驗點是異方差的模型,在hamada和wu ( 1991 )位置效應分析方法的基礎上,將brenneman和nair ( 2001 )散度效應分析的mh方法融入其中,對帶有截尾數據的無重復因子試驗給出了模型選擇以及同時估計位置效應和散度效應的迭代演算法,改進了hamada和wu的方法。When measuring a shallow diffused layer at low concentrations, reliable measurement free of noise are difficult to make.
測量低濃度淺擴散層時,無干擾的可靠測量很難實行。The results of explosive welding specimen show that the interfaces formed by explosive welding present disciplinary and consecutive shape. there are no distinctiness diffused layers on the interfaces. after elevated temperature annealing, the interdiffused layers formed in interface of nb - 1zr and stainless steel
研究結果表明:對于nb - 1zr合金和不銹鋼爆炸焊接形成的結合區呈現規律的和連續的波浪形狀,無明顯擴散層;經高溫退火后的結合層形成一定厚度的由nb - 1zr和不銹鋼合金元素互擴散形成的擴散層。In this paper, we discusse the stability of perturtation of m - p inverses of closed operator function and then the stability of least square solution of elliptic partial differential equations of second order with unbounded coefficients
本文討論了閉運算元的m - p廣義逆的擾動,並由此討論首項系數本質無界的二階散度型橢圓型微分方程的最小范數極小二乘解的穩定性To solve this problem, the method based on scattering is deduced in this paper. this method can work effectively when the concentration is low. based on mie theory , this method measure the concentration by calculating the scattering light intensity
為了解決透射法無法很好測量低濃度粉塵的問題,本文主要研究了基於光散射測量粉塵濃度的方法,該方法能解決上面的低濃度測量時的問題。Standard test method for bulk specific gravity and density of non - absorptive compacted bituminous mixtures
無吸收壓實瀝青混合料的散裝比重和體密度的標準試驗方法Next, the effects of the electron - beam quality on the characteristics of the vircator are investigated with simulation method. the simulation results show that the front edge of the beam pulse has almost no effect on the saturated microwave output, while good front edges can accelerate the saturation of the virtual cathode oscillation, and beam quality ( except its energy spread ) has almost no effect on microwave frequency, and so on
結果表明:上凸形束脈沖前沿可使虛陰極振蕩器達到飽和振蕩的時間縮短但對微波飽和功率基本無影響;束流脈寬應足夠大,否則虛陰極振蕩器不能達到飽和振蕩(對應本文中的模型,束脈寬應大於16ns ) ;能散度的影響不可忽視,當能散度為5時,束波轉換效率從單能束時的3 . 8降至1 . 5 ;束流質量(除能散度外)對微波頻率基本上沒有影響等。All algorithms that introduced hi my paper focus on the hollow hull of object, and the calculations are a series of intersection of face and line that have no ply. and by employing the topology information that come with the points since their generation, we can get the surface polygonal mesh without triangulation and reduce the time used in reconstruction of visual hulls and help to realize real - time rendering
本文提出可見殼的生成演算法都是建立在無厚度的平面直線求交計算上,完全避免了對物體內部的冗餘區域的計算,同時利用物體表面點集與生俱來拓撲信息,恢復物體表面的多邊形網格,在一定精度范圍內可以避免對散亂點集進行三角剖分,減少可見殼的生成時間並有助於實時繪制的實現。分享友人