study on the energy band for macromolecular crystal with c_n symmetry i. calculating method

1、

the dark - brown vascular coat of the eye between the sclera and the retina.

脉络膜眼睛巩膜和视网膜之间深褐色的血管网

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2、

one can see that it is easier to calculate the fourier transforms of ε-1 ( r) by the plane wave expansion method using linear operations.

采用线性变换方法可以简单地处理平面波展开方法中ε-1（r）的Fourier变换系数，使得相应的带隙计算变得简单有效。

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3、

the mechanism of bandgap forming is investigated, and the characteristics of resonance-type mpcs which are different from bragg-type mpcs are discussed.

首次明确提出了谐振型微波光子晶体结构的概念，研究了它的带隙形成机理，总结了这种微波光子晶体不同于普通Bragg型微波光子晶体的一些独特的特点。

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4、

at last, it studies the influence of the photonic band gap on the refractive index, the refractive-index modulation amplitude, the length of period and the number of period.

最后讨论了折射率（n）、折射率调制幅度（△n）、周期长度（D）及周期数（N）对光子带隙的影响。

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5、

hence, the work of this thesis is the design of a low voltage low power cmos bandgap reference voltage source.

因此本文主要工作是设计一个低压低功耗的CMOS带隙基准电压源。

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6、

the optical absorbance of tio-2 after doping metal ions increased considerably and a red shift of the band-gap took place.

金属离子掺杂明显增强TiO2纳米晶簇的光吸收。TiO2带隙发生红移。

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7、

it was found that the samples had long-ordered structures and photonic band gaps in the near-infrared region.

获得的SiO2光子晶体具有长程有序结构，并在近红外区具有显著的光子频率带隙。

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8、

so far, there are two classes of hollow-core fibers and they are bragg fiber and photonic bandgap fiber.

到目前为止空芯光纤大体上可分为两种结构，分别是Bragg光纤和光子带隙型光纤，它们都是利用光子带隙的机理来束缚光在空气芯中传输。

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9、

in this paper, a bandgap reference circuit with the exponential curvature temperature compensation technology has been introduced.

文章介绍了一种利用Bipolar管的电流增益随温度呈指数型变化的规律，对带隙基准进行温度补偿的指数型温度补偿技术。

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10、

mn incorporation results in the increase of the lattice constant and band-gap energy of zno, and also induces microstructural disorder.

Mn掺杂导致了ZnO晶格常数和光学带隙的增加，并且诱导了微结构的无序性。

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11、

the effect of rotation on te and tm mode band gaps and absolute band gap is investigated.

讨论了三种旋转操作对TE，TM模式带隙及完全光子禁带的影响。

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12、

at present, the bandgap reference voltage has been the most popular reference voltage generator in cmos integrated circuits.

同时，带隙基准电压源电路的结构简单，可靠性较高，可以用标准CMOS工艺实现，适宜于大规模生产，目前已成为CMOS集成电路当中最流行的一种基准电压产生器。

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13、

ka-band fourth harmonic mixer with 1-d ebg structure

一种使用一维电磁带隙结构的高性能Ka频段四次谐波混频器

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14、

injected carrier-induced band-gap change in gaas/ gaalas double heterostructure waveguide optical switch

GaAs／GaAlAs双异质结光波导开关内带隙的注入载流子感生变化

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15、

photonic band gap in thickness dependent sio_2 colloidal crystals

池厚对SiO2胶体光子带隙的影响

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16、

to meet the demand of the low voltage equipment, a low-voltage cmos bandgap circuit is designed.

为满足低电源电压设备对精密电压基准的需求，文章设计了一款低压CMOS带隙基准电路。

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17、

a new resonant bandpass filter based on the pbg structure is presented. a semiconductor based structure is realized using microelectronics technology.

提出了一种新的基于光子带隙结构的K波段谐振式带通滤波器，给出了近似设计公式，并在半导体衬底上，采用微电子的工艺实现了这种结构。

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18、

two cmos bandgap reference circuits

两种新型CMOS带隙基准电路

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19、

investigations on zn_ ( 1-x) cd_xo alloy semiconductor films with tunable band-gaps

带隙可调的Zn（1-x）Cd xO合金半导体薄膜的研究

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20、

sub-threshold operation cmos bandgap voltage reference design

CMOS亚阈型带隙电压基准的分析与设计

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