查询词典 A.N.

In mathematics, a system with number of unknown equal number of equation provides a deterministic system.

在数学里，一个由 N 个变量与 N 个线性互不相关的方程组成的系统是有唯一解的系统。

In this thesis, in order to calculate the viscid effect, Euler equations+boundary layer correction method and N-S equations+S-A turbulent model method are introduced.

另外，本文在计算流场的粘性影响时，分别采用了附面层修正+Euler方程和S-A湍流模型+N-S方程两种方法。

Navid N and Willson A N,A theory and an algorithm for analog circuit fault diagnosis.

闻新，周露，王丹力等。 MATLAB神经网络应用设计。北京：科学出版社，2000，244-260

Wire wound potentiometer linear theory of a resolution of the total winding number of turns N, countdown, and expressed as a percentage.

直线式线绕电位器的理论分辨率为绕线总匝数 N 的倒数，并以百分数表示。

The total number of ways to cover an m x n chessboard (and many other nonrectangular boards as well, such as the Young diagram of a partition) with disjoint snakes is a product of Fibonacci numbers.

以互斥的蛇形覆盖一个 m x n 棋盘(其他非矩形的面板也可以，例如一个分割的Young图)，方法的总数会是一个Fibonacci数的乘积。

As a youth and youth-oriented Web sites, and to be able to N-Gage game show was supported by the life-like, web site design uses a lot of dynamic and static images, in which Flash applications is indispensable.

作为一个面向青年和青少年的网站，也为了能够将N-Gage所支持的游戏展现得栩栩如生，网站的设计上大量采用了动态和静态的图片，其中Flash 的应用更是不可缺少的。

In this thesis, we analyze the zeroth order term of eigenpolynomial of linearized matrix, and a necessary condition for diffusion-driven instability of n-species of a reaction-diffusion system is attained by using the Routh-Hurwitz criterion.

本文我们讨论含有n(。23)个物种的反应系统，对系统在无扩散时稳定的平衡态解附近线性化，通过分析线性化矩阵特征多项式的零次项，根据Routh一Hurwitz准则，得到了零次项使系统产生扩散驱动不稳定性的必要条件。

ObjectiveTo assess the relationship of the expression of bcl-2/bax and the acute rejection of small intestine transplantation ,And open up news pathway for diagnosising acute rejection of small intestine transplantation in earlier period-MethodsCreated 36 rat model of allogene small intestine transplantation by using inbred rat Wistar/A and F344/N.

目的 建立同种异基因大鼠小肠移植模型，检测术后移植小肠组织内凋亡基因Bcl-2和Bax的表达情况，探讨其与急性排斥反应之间的关系，为临床早期诊断急性排斥反应开辟新途径。方法选用近交系F_(344)／N和封闭群Wistar／A大鼠建立全小肠移植模型。

The invention relates to the synthesis of N-aryl group-3-(4-Beta-D-pyran allose glycoside phenyl)-5-formyl isoxazole-4-formamide and discloses a helicid derivative which can improve the functions of a central nervous system and the preparation method thereof; wherein, the compound has good sedative, hypnotic and anti-convulsant effects and is taken in the 2000 edition Chinese Pharmacopoeia with the drug name of helicid tablets.

N-芳基-3-(4-β-D-吡喃阿洛糖苷苯基)-5-甲酰基异唑-4-甲酰胺的合成，发明公开了具有改善中枢神经系统功能的豆腐果苷类衍生物，及其制备方法。该类化合物具有良好的镇静、安眠、抗惊厥作用。目前已以药品名&神衰果素片&被收入2000年版《中国药典》。

Results showed that benthic mollusks had some purification effect on CODcr,NH3-N,TP and chl-a of eutrophic river water ,and the effect of Anodonta woodiana was better than that of Bellamya aeruginosa.

文章研究了底栖软体动物富营养化河水中COD、NH3-N、TP、叶绿素a的净化效果。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新