查询词典 SN

In pollen, from the model plant mouse-ear cress, a reduction in TUDOR-SN leads to fragmentation of DNA and premature cell death.

现在，一国际研究团队发现，植物和动物中决定细胞程序性死亡的遗传学过程实际上是进化相关的，并且用相同的方式执行功能。

In this paper, the dezincification corrosion resistance of Mg-Sb brass was investigated by the methods of dezincification corrosion depth testing, optical microscope, SEM and XRD.

采用脱锌腐蚀深度测量方法、光学显微镜、SEM和XRD等分析方法，研究了镁锑黄铜的脱锌腐蚀性能和添加少量Sn、Al元素对其耐腐蚀性能的影响。

Diglyceride is a kind of structured lipid that hydroxyl replace acyl in the sn-1, 2, 3 position of triglyceride.

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Because the properties of the products(such as fatty acids,fatty acid methyl esters,monoglyceride and diglyceride ,et al)are similar,usually many pieces of thin layer chromatographyplates are needed to obtain pure triglyceride for the 2-position fatty acid analysis.

由于反应生成物(如脂肪酸、脂肪酸甲酯、甘三酯、甘一酯、甘二酯等)的性质十分相似，要研究酯交换过程中甘三酯的Sn - 2位脂肪酸组成，所需要甘三酯的量往往需要很多块TLC板的分离才能实现，致使实验费用增加，效率降低。

The results indicate that the Sn on the catalyst is present in tetravalence, in alloy with platinum, and in divalence.

结果表明该催化剂中的锡主要有正四价锡、铂-锡合金和正二价锡。

Under the catalytic reaction of Sn 2-ethyhexanoate (ZnOct2), lactic acid was used to synthesize DLLA in the experiment.

文中以D，L-乳酸为原料，在催化剂辛酸亚锡(ZnOct2)的作用下，合成DLLA。

I'll still love her even if she doe sn't love me.

即使她不爱我，我还仍然爱她。

Due to the different drift velocity of Bi atoms and Sn atoms under high current density, the electromigration properties of eutectic SnBi are unique.

由于铋原子和锡原子在高电流密度下具有不同的迁移速率，因此共晶锡铋钎料具有独特的电迁移特性。

Using algebraic methods which include extended Tanh-method,some new solitary solutions to the DBM and Log-DBM equation,such as singular solitary solutions,double singular peakon solitary wave solutions,double solitary wave solution with peakon and singular periodic solitary wave solutions are obtained..With the aid of an auxilitary function combined with the elliptic integral of the first kind,periodic solitary solution,singular and periodic singular solitary solutions can be obtained.

第三章利用扩展的Jacobi椭圆函数展开法研究了方程，并给出ZK-MEW方程的Jacobi椭圆函数解，特别的，当模数m→0和m→1时，其中一部分解退化为三角函数解和孤立波解；其次使用sn-cn拟设法，研究了K(k，s，1)方程，得到了k=s=3时的新的精确解，并在模数m→0和m→1时得到了丰富的三角函数和孤立波解。

In chapter 3,we study the Zakharov-Kuznetsov-Modified Equal-Width equation by employing the extended Jacobi elliptic function expansion method and obtain some new solutions of Jacobi elliptic function type of the ZK-MEW equation.;Secondly,using sn-cn method,we study K(m,n,1) equation and obtained some new exact solutions when k=s=3,especially obtained abundand solitary solutions and trigonometric function solutions when m→0 and m→1;In chapter 4,Painleve singular analysis was applied to nonlinear PDE with variable coefficients.

第四章将Painleve奇性分析方法应用到带阻尼项的变系数Burgers方程中，并得到了该类Burgers方程具有Painleve性质的条件，给出了该类Burgers方程的Backlund变换，用所得Backlund变换得到了若干精确孤立波解，包括奇异孤立波解，这些解不等同于行波型孤立波解；用齐次平衡法得到了对数型DBM方程的Backlund变换，并获得了DBM方程的各种孤立波解，包括尖峰孤立波解和奇异尖峰孤立波解。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。