查询词典 symmetric function

For certain reactions, they function as chemoenzymes and produce both good chemical and optical yields. Over the last decade a wide range of C〓-symmetric chiral bisoxazoline ligands have been synthesized from readily available diacid derivatives and amino alcohols.

但是，手性双噁唑啉催化的某些不对称反应的机理以及影响双噁唑啉分子催化性能的结构要素目前仍不是很清楚，诱导某些反应的不对称选择性仍有待于进一步提高，因此需设计和合成新的双噁唑啉类配体。

In this part, the RBF collocation method based on Radial Basis Function interpolation is described in detail, especially the Kansa\'s method and symmetric method.

配置点法主要分为非对称格式和对称格式(Hermite-Birokhoff方法)。第二部分主要分为五节。

Give out the trigonometric function solutions of fourth order equations, as a example with rectilinearly accelerating the Kerr black hole, the event horizon of non sphere symmetric and non stationary black hole are studied.

给出了具有实用价值的四次方程的三角解正根公式，并以匀加速直线运动的Kerr黑洞为例，成功的研究了非球对称动态黑洞的&类视界面&。

Our results demonstrate that the symmetric and asymmetric variations above the incident azimuths appear on the radial and transverse components of the receiver function, respectively.

结果表明，当台站下方存在倾向一致的倾斜界面时，远震体波接收函数的径向分量和切向分量分别随震源方位角的变化呈现对称和反对称的规律性变化。

The furnace is possessed of multi-function complex lining, adjustable sub-high speed burner, burner adopting symmetric arrange, naturally draining away fume from fume offtakes, pressing soft sealing with rail, combining control by hand or automatic way.

该炉型属于台车式热处理炉，具有多功能复合炉衬和可调型亚高速烧嘴，烧嘴采用&一&字形左右对称布置，烟道为低位多点分布自然排烟，弹性接触轨道压紧软密封，自动与手动控制方式相结合。

Based on the transmission function theory, the realization of CMOS circuits for basic symmetric ternary operations are discussed.

基于作者提出的传输函数理论，本文讨论了基本对称三值运算的CMOS电路实现，并已用计算机模拟证明它们具有正确的逻辑功能与理想的DC传输特性。

It is then proved that every equation in the hierarchy possesses the Hamiltonian structure if L has a skew-symmetric factorization and the first equation in the hierarchy satisfies some simple condition (K〓=θf〓 and f〓 is a gradient function).

然后在L具有反对称分解L=θJ，及等谱发展方程族中第一个方程满足简单条件（K〓=θf〓，f〓一个梯度函数）的假设下，获得了整个方程族的Hamilton结构。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。