In this paper,some equal descriptions are obtained by the relative flatness concept for some special situations-under the conditions of A-flat, A-principally flat and condition (P A).
该文利用S -系的相对平坦性的思想 ,给出了在一些特殊条件下分别满足A-平坦、A-主平坦、条件 (PA)的S-系的某些等价刻画。
The Design of Soft X ray Broadband and Flat Multilayer;
宽带平坦型软X射线多层反射膜的设计
For any integer r,where r>1,a sufficient condition for the finite R-determinacy(r-1)-flat function germs of two variables is given.
对于大于1的任意整数r,给出了(r-1)-平坦的二元函数芽f是有限R-决定的一个充分条件,得到了在该条件下计算f决定性阶数的精确公式。
By using the natural isomorphisms of functors,we obtain some characterizations for a flat S-act.
利用函子的自然同构,给出了平坦S-系的一些刻画,得到了内射上生成子,投射,内射,生成子之间的一些关系。
Performance and analysis of the planarization technologyin IC manufacture;
IC制造中平坦化技术的性能与分析
A Planarization Technique for Fully Dielectrically Isolated SOI IC s;
一种适合SOI全介质隔离电路的平坦化技术
Polyimide passivation and planarization process techniques for high speed InP/InGaAs single heterojunction bipolar transistors(SHBTS)are developed.
成功地将Polyimide钝化平坦化工艺应用于InP/InGaAs单异质结晶体管制作工艺中。
Results: Special abnormal EEGs showed triphasic wave (53 cases), generalized periodic slow complexes (15 cases), periodic epileptiform discharges (91 cases), burst-suppression (34 cases),flat wave (18 cases), electrocerebral silence (6 cases), α-coma (40 cases), β- coma (12 cas.
结果特殊异常脑电图分为三相波(53例),广泛性周期性复合慢波(15例),周期性癫痫样放电(91例),爆发-抑制(34例),平坦波(18例),电沉默(6例),α-昏迷(40例),β-昏迷(12例),纺锤-昏迷(10例)。
Research and design of photonic crystal fibers with closing-zero flattened dispersion and high nonlinear;
近零平坦色散高非线性光子晶体光纤的研究和设计
Based on the analysis,a highly nonlinear PCF with low flattened dispersion on the verge of infrared wave band nearby 900nm is designed by ourselves.
课题组自行设计了一种在900nm附近具有低平坦色散高非线性特性的光子晶体光纤。
We numerically demonstrate that the flattened dispersion of different levels,even the nearly zero ultra-flattened dispersion characteristics can be achieved through optimizing three geometrical parameters,two for air-hole diameters and one for hole pitch.
结果表明,通过调节包层中两种不同尺寸的空气孔的大小以及孔间距这三个参量,可以得到不同水平的平坦色散曲线,甚至超低超平坦的色散曲线。