構形多分散性 的英文怎麼說
中文拼音 [gòuxíngduōfēnsǎnxìng]
構形多分散性
英文
configurational polydispersity- 構 : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 散 : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
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Fourth, the paper treats two kinds of hoisting projects of high alititude construction in bulk and member assembly, hositing machine and plan layout, setting up scaffold and joints, and installing trunks, branches and joints etc. then in detail discusses the method which applys total station to measure three - dimensional coordinate of dendriform structure, including selecting survey sign points, creating survey system and converting survey coordinate system etc. the paper also deep research on the welding performance, welding method, welding process, welding stress and control, welding strain and rectification, weld defects analysis and weld quality inspection, and so on complicated heterogeneity steel weld proplems
接著系統的論述了高空散裝法和分單元安裝法兩種樹狀結構吊裝方案,樹狀結構吊裝機械及平面布置,樹狀結構胎架及節點的搭設,以及樹狀結構樹干、樹枝和節點的吊裝工藝等諸多工藝問題。詳細的論述了採用全站儀對樹狀結構進行空間三維坐標測量的方法,包括測量標志點的選取、測量系統的建立及測量坐標的轉換等問題。深入地研究了樹狀結構可焊性、焊接方法、焊接工藝、焊接應力及控制、焊接變形及矯正、焊接缺陷分析及焊接質量檢查等復雜的異種鋼焊接問題。Aspect the evaluation in the now available expressway construction project management is chiefly concentrated at economy with the technology, and to manages the twist hempen thread imitates that the research which appraised chiefly includes in effect which inspected and control evaluation and the construction course the evaluation of some one quotas, the unified evaluation system of not formation ; the twist hempen thread effect assessment method is managed to the now available project item, and stopping certain tier face in the item construction mostly, assessment method adaptability is wrong, and lacks the synthetical evaluation to the scattered assessment method of selection submitted a tender such as beckoning and so on
現有高速公路建設項目管理中的評價主要集中在經濟和技術方面,而對管理績效評價的研究主要包括監理的效果評價和施工過程中的一些單指標的評價,沒有形成統一的評價體系;現有的工程項目管理績效評價方法,諸如招投標的選擇之類的零散評價方法,大多停留在項目施工的某一層面,評價方法適應性差,缺少綜合評價。本文通過對現有高速公路建設項目管理評價體系存在問題的分析,結合高速公路建設項目管理的特點,構建了高速公路建設項目管理績效評價內容、指標體系,運用模糊評價法、專家評價法、熵評價法等對高速公路建設工程項目管理績效做出了綜合評價。In the first part of the paper, the explicit form of difference equation and periodic boundary condition is derived in cartesian coordinate system. secondly, the dispersive characteristic is analyzed in cylinder coordinate system for many high power microwave devices use cylinder sws. and then the method is extended to calculate the band structure of 2 - d photonic crystal, a modified yee ’ s grid is introduced to calculate the dispersive characteristic in the case of triangular lattice, so that both square lattice and triangular lattice cases can be solved in cartesian coordinate system
周期電磁結構的一個重要應用就是用作高功率微波器件中的慢波系統,考慮到目前大部分高功率微波器件的慢波系統多採用圓柱周期結構,在論文第四章中,在圓柱坐標系下,給出了差分方程和周期性邊界條件的具體形式,同時編寫程序,分析了milosws ,盤荷慢波結構的色散特性。The content of this thesis comes from the fujian natural science found following research task 。 it studies on a space cantilever single beam attached to a moving support 。 inertia forces which are brought by the support ' s movement , are acceded to the equivalent initiative forces and the equivalent initiative moments 。 when we consider the relation of the forces and deformation , we change the method of material mechanical analysis to the elastic mechanical analysis 。 further more , we discusses the feasibility of the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body 。 first , the finite segment method is adopted to establish the models of the beam 。 based on kane ' s equations , dynamic math - model for the beam are derived 。 and by use of c - language and runge - kutta procedure , the computer - oriented procedure can give the whole responses of the beam 。 second , with compare to the numerical examples , the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body which is under the condition of movement is verified to be feasible 。
本論文為福建省自然科學基金后續研究課題,以已知支撐運動的單個空間懸臂梁為對象,在等效主動力與等效主動力矩中加入支撐轉動引起的慣性力,並在考慮力與變形關系時,用更一般的彈性力學分析代替材料力學分析,進一步研究用多剛體離散模型來模擬其動力學特性的可行性。首先,用有限段建立機械臂的多剛體離散模型,用kane動力學方法建立其動力學方程。並用c語言編制演算法程序,採用了四階runge - kutta積分程序求解微分方程組,給出構件的全部動態歷程。When sno2 wt % was controlled for 10 %, the square resistance of sn - in2o3 was minimum. through the characterization of in2o3 / sno2 nano powders, some conclusions were drawn : sno2 nano powder is rutile structure, and in2o3 and sn - in2o3 nano powders are cubic structure. in2o3 / sno2 nano powders were well dispersing with spherical uniform grain, and the mean grain was 4 - 50 nm
通過對inzo3 / snoz納米粉體表徵,得出inzo3 / snoz納米粒子多呈球形、顆粒均勻、分散性良好、組分均勻、純度較高、平均粒徑在4一50lun左右、比表面積達67一156mz / g ; snoz納米粉為正四面體金紅石結構, inzo3和sn一inzo3納米粉為體心立方結構。The results show that : 1 ) the effects of interface on waves scattering are stronger in the structure with the interface perpendicular to the direction of fracture normal than that in the structure with the interface parallel to the direction of fracture normal. 2 ) when the interface is perpendicular to the direction of fracture normal, the amplitude of reflected waves and converted s - waves are higher and there are the sub - p - and sub - s - wave. 3 ) when the elastic waves propagating in the multi - stripe model, wavesforms become complex due to multiple scattering on interfaces
研究結果表明: 1 )界面與裂縫排列方向平行時,界面對波的散射作用大於界面與裂縫排列方向垂直時的情況; 2 )當界面與裂縫排列方向平行時,在界面上產生的反射波及轉換的橫波幅度較大,並且有次級縱波和橫波產生; 3 )彈性波在多條紋結構中傳播時,在界面上產生多次散射使得波形十分復雜。Firstly, based on a modified lyapunov function and the approximation capability of the first type fuzzy systems, two new design schemes of decentralized adaptive fuzzy controller for two class of similar multivariable nonlinear continuous systems with a triangular matrix function control structure is proposed in this paper, respectively
本文首先對兩類結構相似的具有下三角形矩陣函數控制增益的多變量非線性連續系統,基於一種修改的李亞普諾夫函數,並利用第一類模糊系統(即具有線性可調參數的模糊系統)的逼近能力,分別提出一種分散自適應模糊控制器設計的方案。We suggested after research mat : ( 1 ) the shortage of characteristics of the towns comes from many factors in the region. the eco - environment lacks natural beauty, the level of industrial structure is low ; the enterprises arrangement is scattered ; and the facility construction lags behind ; town management is sloppy ; town image design is lack, and there are the misunderstanding to human settlements improvement, the " acute disease " in progress of construction
研究認為: ( 1 )區域城鎮特色的缺乏源於地域生態環境缺乏天然秀色,產業結構層次低、布局分散,城鎮設施建設滯后,城鎮管理鬆懈,城鎮形象設計缺乏,以及對人居環境改善等存在理解誤區和建設的「急性病」等多種原因。To fulfill the need of the application of rp technique in medical domain, reverse cad modeling from medical cross sections is systematically studied in this dissertation. firstly, some algorithms related to the research of this dissertation are studied. new algorithms for orientation and inclusion test for simple polygon, an error constrained automatic faring algorithm for b - spline curve and a theorem regarding the termination criterion for subdivision of triangular bezier patch are proposed
本文針對rp技術在醫學領域應用的需要,系統研究了基於醫學斷層輪廓數據的反求cad建模理論和方法: ( 1 )在基礎演算法研究部分,提出了簡單多邊形方向及點在多邊形內外判斷的新方法、三角b zier曲面片離散的誤差控制定理和一種帶誤差約束的b樣條曲線的自動光順方法; ( 2 )提出了一種基於相鄰層輪廓相似性的醫學斷層輪廓數據曲面重構方法; ( 3 )提出了一種稱為「虛擬測量」的曲面模型處理方法。In order to make display interface write - once - run - anywhere, choosing java to develop it. by integrating the technology of 2d & 3d graphic library, multi - thread, networking and jdbc, the data - layer in distributed radar simulation system is developed. based on
為了使顯示界面能夠跨平臺,選擇了java語言進行開發,利用java技術中的二維三維圖形庫、多線程、網路特性和jdbc開發出分散式結構的雷達模擬系統中具有不同功能的顯示界面。Fist, the problem of robust stability for the uncertain linear discrete - time systems is studied where the uncertain matrixes are unstructured, highly structured, norm bounded and matrix polytope structured. the relevant conditions that the systems is robust stability are obtained using the characteristic value method, lyapunov function method and linear matrix inequality method. then we give some examples to prove
分別針對具有非結構不確定性、強結構不確定性、矩陣多胞形結構不確定性和范數有界不確定性等線性離散系統,利用特徵值方法、 lyapunov函數方法和線性矩陣不等式方法等進行討論,給出了相應系統的魯棒穩定性判別條件,並通過算例進行了驗證。The behaviors of several inorganic nanoparticles ( sio2, al2o3, tio2 ) under ultrasonic irradiation, such as dispersion, crushing and activation, were studied. tem, ftir, spectrophotometry characterized the morphology, structure and dispersion stability of nanoparticles respectively. the results show that the inorganic nanoparticles in the aqueous solution can redisperse more effectively through ultrasonic irradiation than by conventional stirring, which was the basis for monomers to polymerize on the surface of nanoparticles
研究了超聲輻照下多種納米粒子( sio _ 2 、 al _ 2o _ 3 、 tio _ 2 )在水體系中的分散、粉碎及活化等各種行為,採用tem 、 ftir 、分光光度法等對納米粒子的形態、結構、分散穩定性進行了表徵,證明超聲輻照比常規攪拌更有效地實現無機納米粒子在液相中的分散,為單體在納米粒子表面的聚合創造了條件。On the ground of multiresolution analysis, wavelet galerkin method uses wavelet scaling function as the basis for the resolution space, with whose linear combination any function in this space can be expressed. then the partial differential equations ( for short pdes ) can be dispersed to a linear system through galerkin
小波galerkin法是根據多分辨分析,利用小波尺度函數構造解空間的基來線性表示該空間中的任意函數,然後通過galerkin形式的變分把偏微分方程(簡稱pdes )離散成一個線性系統。分享友人