impact matrix 中文意思是什麼
impact matrix
解釋
碰撞矩陣-
Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )
本研究以武裝直升飛機防護裝甲材料為研究對象，採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料，結合其力學性能、掃描電鏡和界面微區能譜分析結果，分析了sic _ p al復合材料的真空燒結過程中的界面現象，以及材料增強和斷裂機理，並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態（應變率為3 . 3 10 ~ （ - 3 ） s ~ （ - 1 ） 5 . 2 10 ~ 3s ~ （ - 1 ） ）的壓縮破壞響應進行了研究，分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下，材料的變形和微觀損傷機理，以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。 -
In the second part ( including chapter 4 ), this paper applies gray level coocurrence matrix and image texture feature quantities to evaluate eliminate effect through computing the same sampling region selected. the results show that the three methods can eliminate solar eclipse impact on the satellite vis imagery so that the topography, cloud system texture and ocean current are distinct and differentiable and it is good for analyzing the clouds and weather systems on the cloud image. comparing the three methods, the improved geometry - model method is the most effective
研究結果表明：原幾何模型法、改進的幾何模型法和數學函數模型法基本都能消除日食對雲圖的影響，經過訂正處理后，各種特徵紋理變細，結構變清晰，信息增加，有利於雲圖上雲和天氣系統的識別和分析；三種方法的比較認為，改進的幾何模型法訂正效果最好，原幾何模型法的效果較差，數學函數模型法更加快速、簡便，但其涉及的主觀因素較多。 -
General specification of serial impact dot matrix printer
串列擊打式點陣印表機通用技術條件 -
A printer that forms dot matrix characters by means of linear, ridged print hammers that impact paper and ribbon against a helical ridge on a rotating cylinder
一種採用線性脊紋列印錘的點陣字元印表機，列印時列印錘撞擊緊貼在螺旋脊紋旋轉圓筒上的紙和色帶。 -
The main part of this hybrid algorithm is a chebyshev iteration which applies chebyshev polynomials to act on initial vectors and makes the obtained vectors close to the wanted eigenvectors ; the second one is the preconditioning subspace iteration method which uses a preconditioning matrix to impact the residual matrix obtained from the iteration procedure, so the distribution of eigenvalues is improved
第一個改進演算法是用chebyshev多項式加速的子空間迭代法，它是用chebyshev多項式作用初始向量，使其更接近所要求的特徵向量。第二個改進演算法是對每次迭代所得的殘余矩陣直接進行預處理以改善矩陣特徵值的分佈。 -
The intercalation mechanism of insitu emulsion polymerization has been proposed for the first time. then acr / montmorillonite nanocomposites blended with pvc, the tem and xrd indicated that the montmorillonite were dispersed with nanometer in pvc matrix. the flexural strength and flexure modulus of composites increased with the montmorillonite content, and the impact strength of composites a little increased
且隨著acr蒙脫土納米復合材料中蒙脫土用量的增加，雖然pvc acr蒙脫土納米復合材料的拉伸性能變化不大，但抗彎強度和彎曲模量明顯增大，而且其缺口沖擊強度也有一定幅度的增大，具有工業實用價值。 -
Toughening thermoset matrix composites with interlayered thermoplastic particles is an effective method to improve fracture toughness and impact resistance without sacrificing hot / wet properties. furthermore, transverse strength, fatigue resistance and solvent resistance can also be enhanced. drapability and tackness of interleaved prepreg is maintained as conventional level
對樹脂基體復合材料採取層間顆粒增韌是提高復合材料層壓板韌性、抗沖擊能力和抗分層能力的有效途徑，在保持原有復合材料濕熱性能的前提下，通過層間顆粒增韌，還可以改善垂直纖維方向的強度、抗疲勞性能以及耐溶劑性，並不影響原有的成型工藝。 -
We demonstrate that the use of 129i - enriched iodide and iodate allows the correction of the impact of the matrix on both, the electrophoretic migration and the detection sensitivity of the icp - ms
我們證實使用富含129i的碘化物和碘酸鹽可以校正icp - ms中電泳遷移和檢測靈敏度的基質影響。 -
In order to make the theoretical calculation feasible, we first obtain an analytical formalism of partial integrals with respect to the coordinates of the core and target in the phase - shift functions and their cross terms of scattering matrix elements, if the density distributions of the core and target are fitted to a few gaussian forms. then the rest multidimensional integrals with respect to the impact parameter and coordinates of halo nucleons are performed by a monte carlo method
為使理論計算變得可行，我們在核芯和靶核密度採用多個高斯分佈擬合的情況下，解析求解了各個散射矩陣元中的光學相移函數及交叉項含有的與暈核核芯、靶核密度分佈有關的積分;同時對與碰撞參數和暈核子坐標有關的積分（八重以上，並且積分維數隨暈核子數很快增加）採用蒙特卡洛方法計算。 -
The impact behaviors of pp / eoc and pp / caco3 were compared. the toughening mechanisms of pp / eoc and pp / caco3 systems are firstly proved to agree well with wu ' s percolation theory. the essential condition occurring brittle - tough transition in two binary systems is that the matrix ligament thickness ( l ) is lower than the critical matrix ligament thickness ( lc ) which is approximate to 0. 095 ? m
比較ppffioc和ppcacos二體系的增韌行為，發現加入eoc和cacos都能增韌pp ，首次驗證了新型彈性體eoc和無機剛性粒子cacos增韌pp的機理符合wu氏逾滲理論，二體系發生脆韌轉變的基本條件是基體帶厚度l小於臨界基體帶厚度人（ 。 -
In aim solver, the convergence rate depends on spectral properties of the aim matrix, and the near - zone threshold distance has a dramatic impact on the memory and cpu time. a poorly conditioned matrix occurs through aim when a smaller near - zone
另外，自適應積分方法計算中，在保證計算精度的條件下，較小的耦合距離將極大減小內存需求和計算的復雜度，但同時誤差積累也導致矩陣的性態變壞。 -
In optimal decision model : ( t ) nine main environmental impact indexes are summarized and qualmed from the main aspect of environmental impact of road construction based on the principles of comparability and measurability ; ? calculate each index with analytic hierarchy process, and introduce the concepts of educing matrix and absolute coincidence matrix to adjust judgment matrix in order to meet with satisfactory consistency ; ( 3 ) introduce the distance to calculate the weight of expert ; ? analyze the relationship coefficients with gray relationship method, then integrate the weights of indices and experts with them to obtain the compositor of ail of the schemes
在方案優選模塊中：針對公路建設中環境影響評價滯後於公路建設的現象，將環境因素的影響提到設計階段，並對環境指標進行了重點分析，提出了用於比選的9個定量指標；採用層次分析法確定各級指標的權重，並對判斷矩陣予以修正；引入距離測度的概念解決各專家的權值問題；運用灰色關聯法分析各指標的關聯系數，並結合指標權重、專家權重，最終得到各方案的關聯度優劣排序。 -
( 2 ) introduce the graph theory of ldpc codes ; analyse the impact of cycle ; and research how to construct the parity check matrix
（ 2 ）介紹了ldpc碼圖模型理論;分析環對ldpc碼性能的影響;並討論了如何構造ldpc碼校驗矩陣。 -
The displacement quantity can be transform into corresponding standard industrial measuring signal, when in a certain overpressure, the membrane could be direct stuck on the solid matrix. if overload pressure is increased the membrane also cannot be made the greater distortion, then be sure that the membrane cannot be damaged because of overpressure, so that the sensor has the very strong anti - impact and anti - overload ability
把位移量換成相對應的標準工業測量信號，在一定過壓時，膜片會直接貼到堅固的基體上，過載壓力加大，也不會使膜片產生更大的變形，從而保證膜片不會因為過壓而損壞，所以傳感器有很強的抗沖擊及抗過載能力。 -
The results showed that polyacrylate / caco3 is better dispersed in the pvc matrix. the notched impact strength of pvc and polyacrylate / caco3 blends is improved obviously. and the tensile strength of the blend has significantly unchanged
Pba - pmma caco _ 3粉末與pvc共混后能較好地分散在基體pvc中，並能明顯提高共混材料的缺口沖擊強度。 -
( 3 ) in comparison with nanoparticles, alkylated nanoparticles and composited nanoparticles evidently improve the mechanical properties of polymer matrix. in particular, addition of composited particles enhances the impact strength of pp by nearly 100 %
（ 3 ）與納米粒子相比，烷基化納米粒子與復合納米粒子改善了聚合物基體的力學性能，尤其是復合粒子的添加，使基體缺口沖擊強度有著較大的提高。 -
The results showed that the modification made interlaminar space of the montmorillonite greater, the addition of organic montmorillonite clay improved the mechanics properties of epoxy matrix, and when its content was 1 %, the mechanics properties of epoxy resin, such as flexural strength and impact strength, would obtain the biggest enhancement
結果表明，改性使蒙脫土層間距增大，有機蒙脫土的加入改善了環氧樹脂基體的力學性能，當有機蒙脫土質量含量為1 %時，其彎曲強度、沖擊強度等力學性能得到了最大的提高。 -
Polarization microscope had observed that the size of sphere crystal of pp after adding organic rigid particles became smaller, the excellent compatibility of interphase between matrix and organic rigid particles in composite has been proved, and the organic rigid particles were drew out into cavities from matrix in the photograph of the impact breaking section by sem. the reason of enhanced toughness of the composite is that the material absorbed amount of energy at forming cavities, which is the mechanism of the pp composite toughened with the organic rigid particles
偏光顯微鏡顯示加入有機剛性粒子可使pp的球晶尺寸減小， sem觀察到復合材料中基體材料和剛性粒子的界面相容性較好，在沖擊破壞的材料斷面上，剛性粒子明顯被拔出形成「空穴」 ，這些微小空穴較易產生而吸收能量，從而提高了材料的斷裂韌性，這是剛性粒子復合聚丙烯的增韌機理。 -
The following results are achieved : ( 1 ) in accordance with the empirical electron theory of solids and molecules, considering the number of covalent bond pairs on the strongest bond in a segregation structure na, the elements for matrix - strengthening can be chosen. ( 2 ) on the basis of the available phase - equilibrium thermodynamics calculation of alloy system and phase diagrams, which have been worked out, the contents of alloy elements can be identified with reference to the types, quantity and phase - transformation of carbides. ( 3 ) both the values relating to toughness ( including bending strength, yield strength, impact value of unnotched samples ) and hardness of new dm9 die steel are higher than those of crl2mov die steel
結果得出： （ 1 ）根據固體與分子經驗電子理論，利用偏聚結構單元的最強共價鍵上的共用電子對數n _ a ，可以選擇工模具鋼基體相的強化元素； （ 2 ）根據合金系相平衡熱力學計算及已有的相圖，可以碳化物類型、數量及其相變確定合金元素含量； （ 3 ）新型dm9鋼在強韌性（抗彎強度、屈服強度、無缺口沖擊值）和硬度方面均高於cr12mov鋼； （ 4 ）以dm9鋼與6crw2si 、 7cr2wmovsi （ dm7 ） 、 h13和cr12mov四種模具鋼的實驗比較，進一步驗證了上述冷作模具鋼合金設計方案是合適的。 -
Probability and impact matrix
概率和影響矩陣
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