Firstly the k-e two-equation turbulence model is used in numerical simulation of the flow field ,compared with the practical measures and tests, good accordance achives. This method can bring great convenience in analyzing aerodynamical field of boiler. Secondly the method of ash-composition, ash-melting-point, XRD is used in analyzing the phase transformation in the course of dynamic slagging test, so we can describe the process of slagging comparatively accurately. Last this paper introduces a kind of fuzzy mathematics model which comprises an assemblage combined by seven change factor.

接著采用標準k—ε雙方程模型對爐內(nèi)冷態(tài)空氣動力場進行了數(shù)值模擬日韩主播欧美精品视频在线播放，并與實際鍋爐燃燒器冷態(tài)調(diào)試試驗結(jié)果對比超碰91自拍，結(jié)果吻合較好狼友免费观看，這為我們分析爐內(nèi)流場提供了參考摸一摸AV；其次對鍋爐靜態(tài)在线免费观看黄色一级视频、動態(tài)特性試驗亚洲一级婬片A片AAA毛片to，采用灰成分分析、灰熔點測試及X光衍射物相分析方法公侵犯人妻中文字幕在线视频，較為準確的描述了實際鍋爐結(jié)渣過程亚州AV无码专区在线电影；為了準確的判斷出水煤漿的結(jié)渣傾向，本文對鍋爐結(jié)渣的七個影響因素提出了模糊綜合判斷模型H视频在线看一区，正確的反映出了該水煤漿的結(jié)渣傾向国产91精品肉色丝袜。

1The nanocrystalline TiO2 film is prepared by sol-gel and appearance of the film is observed by SEM. The X-ray graph shows the film has lots of anatase and a few rutile TiO2, but does not have brookite TiO2. The average diameter of particle is 25nm according to Scherrer formula.

采用溶膠-凝膠法制備了納米晶二氧化鈦薄膜，通過掃描電鏡觀察了其形貌免费Av青草网站，X射線衍射表征顯示出制備的薄膜具有大量的銳鈦礦晶型和少量的金紅石晶型91自拍视频在线看，不含有板鈦礦晶型，根據(jù)Scherrer公式計算出薄膜的晶粒的平均尺寸為25nmWWW·日本熟妇人色视频。

A detailed calculation on the scattering of a conduct disk is given by means of Incremental Length Diffraction Coefficient method and Phyzical Optics method. The relation between Radar cross section of the conduct disk and the incident angle and the relation between the optimal polarization and the incident angle are investgated and the calculation results from ILDC and that from PO are compared.

用微分邊緣繞射系數(shù)法和物理光學(xué)法對金屬圓盤的散射作了詳細地分析計算特黄捆绑一级A片，討論了其極化散射特性給出了雷達截面積隨角度的變化曲線并與用物理光學(xué)法計算的結(jié)果進行了對比，同時還給出了其最優(yōu)極化隨角度變化時的分布圖欧美男人天堂网。

Secondly, we deal with the ripple of start and end points to represent the flow effect of waterfall. Finally we add the spattering model in the system to simulate the ordinary cartoon spattering scene of obstacle and the obstacle with big frontispiece.

對瀑布起點和終點的波特別處理人干人人干在线视频，表現(xiàn)出水的流動效果，同時增加了濺射模型欧美高清在线视频看片在线观看免费，使系統(tǒng)能夠更好地模擬出一般障礙物人人操人人摸人人干2010，以及正面大的障礙物濺水等常見的動畫場景。

Taking an optical system with a hard-edge aperture as an example, the intensity distributions of two low modes of Hermite-Gaussian beam were simulated and numerically calculated with the mathematical software.

通過分析計算得到如下結(jié)論：對于任意一個含有硬邊光闌的復(fù)雜光學(xué)系統(tǒng)高清国语自产拍AV，都可以把光闌的作用從系統(tǒng)中"移"出來午夜一级黄片，把其看作是出射光瞳的作用，從而可以較為簡便地求出觀察面上的場分布美女黄页网站国产在线观看。

Based on the Rayleigh-Sommerfeld diffraction integral and complex analytical signal representation,the free-space propagation equation and its Fourier spectrum for ultrashort chirped pulsed Gaussian beams are derived,and the far-field analytical electric field and spatial intensity are presented.

基于瑞利-索末菲衍射積分，使用復(fù)解析信號法推導(dǎo)出了啁啾脈沖高斯光束在自由空間中的傳輸方程及其傅里葉譜激情女人综合网，給出了遠場的光場和空間光強的解析式小h片在线播放免费网站，研究了啁啾參數(shù)C對脈沖光束傳輸?shù)挠绊憽?/p>

Based on the structure of Wollaston prism, a new design of symmetric beam splitting prism is given. From reforming the end surface of o light, we can get symmetric beam splitting.

基于Wollaston棱鏡的結(jié)構(gòu)，給出了對稱分束偏光棱鏡的一種新的設(shè)計欧美性爱兔费网站，即通過修正 o 光束的出射端面來實現(xiàn)對稱分束18岁一下禁止观看的网站。

Based on the structure of Wollaston prism, a new design of symmetric beam splitting prism is given. From reforming the emergent end surface, we can get symmetric beam splitting.

基于Wollaston棱鏡的結(jié)構(gòu)，給出了對稱分束偏光棱鏡的一種新的設(shè)計高潮网址，即通過修正光束的出射端面來實現(xiàn)對稱分束99热这里。

According to WBR theory and the character of homonuclear system,the relaxation equations of homonuclear system with RF irradiation are deduced by means of the three-dimensional Wigner rotation matrix.

根據(jù)WBR理論和同核體系的特點播放很快的你懂的的在线，構(gòu)造出了一個相應(yīng)的三維轉(zhuǎn)動，利用Wigner旋轉(zhuǎn)矩陣的特性并借助于計算機代數(shù)語言三级黄色视屏，計算出了射頻場照射下同核體系完整的弛豫方程組永久在线观看国产日韩va。

The conclusion is drawn from the simulations that the secondary electrons will go out from the sample surface more easily with the decrease of the half cone angle of tip and the increase of secondary electron energy, tip-sample separation and the distance of the emission site away from the point directly under the tip.

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