Results Mean tumor enhancement were 48±8 HUand 72±6 HU, normal pancreas enhancement were 125±18 HU91人妻大绿帽子论坛、98±11 HU, mean tumor-pancreas contrast was significantly differenced on arterial phase （73±21 HU）and portal venous phase （25±12 HU）.

結(jié)果 腫瘤的平均CT值在動(dòng)脈期和門脈期分別是48±8 HUwww.zipai、72±6 HU日本精品AA片在线播放，正常胰腺組織的CT值是125±18 HU人妻一级毛片无遮挡、98±11 HU，腫瘤-胰腺密度差為73±21 HU8x永久入口地址网站、25±12 HU女同一区二区三区在线观看，二者之間有顯著差別。

And to study a method for carrying out numerical calculation by adopting the powerful functioned mathematical software MATHCAD in the solution of coincidence extent on less teeth differenced internal messing and in iterative computation for equation set of interference coefficient of tooth profile overlapping.

提出用CAD法研究三環(huán)式少齒差減速器設(shè)計(jì)的關(guān)鍵問題———內(nèi)www.91精品.com、外齒輪必須采用變位傳動(dòng)的設(shè)計(jì)国产一区二区精品偷斗情，研究在求解少齒差內(nèi)嚙合的重合度和齒廓重疊干涉系數(shù)方程組的迭代計(jì)算中麻豆啪啪视频，選用功能強(qiáng)大的數(shù)學(xué)軟件MATHCAD進(jìn)行數(shù)值計(jì)算的方法，計(jì)算

By the use of CAD method to carry out the research on key problems of three ring typed less teeth difference reducer-the inner and outer gears have to be designed by adopting modified transmission was advanced. And to study a method for carrying out numerical calculation by adopting the powerful functioned mathematical software MATHCAD in the solution of coincidence extent on less teeth differenced internal messing and in iterative computation for equation set of interference coefficient of tooth profile overlapping.

提出用CAD法研究三環(huán)式少齒差減速器設(shè)計(jì)的關(guān)鍵問題―內(nèi)外齒輪必須采用變位傳動(dòng)的設(shè)計(jì)囯产深喉视频一区二区，并研究在求解少齒差內(nèi)嚙合的重合度和齒廓重疊干涉系數(shù)方程組的迭代計(jì)算中一级毛片久久w，選用功能強(qiáng)大的數(shù)學(xué)軟件MATHCAD進(jìn)行數(shù)值計(jì)算的方法。

The difference for the convective and pressure terms is based on the flux vector splitting method developed by Van Leer, and the alternating forward/backward vertical line Gauss-Siedel relaxation algorithm is employed to solve the differenced equations.

對(duì)通量項(xiàng)和壓力項(xiàng)用Van Leer發(fā)展的迎風(fēng)方法進(jìn)行矢通量分裂香港一级A毛片在线播放，對(duì)離散方程采用交替方向的垂直線Gauss-Seidel方法迭代求解色色色国产。

With the exploration and exploitation petroleum to the area of the ocean, desert and polar region, the multiphase flow technology has been applied in many occasion. The multiphase mixture transportation technology became the research hotspot to oil-gas storage and transportation subject Multiphase mixture transportation has many characteristics differenced from single phase transportation.

隨著油氣田的勘探開發(fā)逐漸轉(zhuǎn)移到海洋、沙漠www.高清色色视频.cnm、極地等自然環(huán)境惡劣的地區(qū)色网视频A，多相流技術(shù)得到了越來越廣泛的應(yīng)用久青草视频精品线在线观看。

Using the quantum theory for a mesoscopic circuit based on the discreteness of electric charges, the finite-differenced Schrodinger equation of the non-dissipative mesoscopic capacity coupling circuit are achieved.

在電荷取分立值這一基本事實(shí)基礎(chǔ)上717午夜理论片在线观看影片，對(duì)介觀電容介觀電路進(jìn)行了量子化，得到了該電路的有限差分形式的薛定諤方程三级视频中文字幕。

This demonstrates that it is necessary to carry out variance-covariance component estimation for the double-differenced GPS observables.

結(jié)果 兩種方法估計(jì)的方差－協(xié)方差陣都與常用的先驗(yàn)協(xié)方差陣有明顯區(qū)別www.在线网站你们懂得；兩種方法估計(jì)計(jì)算結(jié)果非常接近。