二极管

Using 60,000 LEGOs and sleek blue LEDs, one LEGO Star Wars enthusiast built this fantastic 5'x10' snow diorama filled with At-Ats, storm troopers and incredible details.

使用60000莱戈斯和圆滑的蓝色发光二极管，一乐高星球大战爱好者建立了这个神奇5'x10'雪西洋镜充满了在电话局，冲锋队和难以置信details。

It was found the brightness of each primary color LED device has changed with the change of temperature. The different brightnesses result in the distortion of white balance of the image.

通过对RGB三基色发光二极管温度特性的测试和分析发现，随着环境温度的变化，每种基色的LED亮度与常温时的亮度相比都会发生一定程度的偏移，且其偏移量不相同，导致了图像白场平衡的失真。

Light-emitting diodes for display when the status and analog tone control lights, so that more of this design visualization.

发光二极管为显示调时状态及模拟路灯的控制，让本设计中更加的形象化。

In this dissertation, the flyback converter is processed as the main research object, and the application of synchronous rectification technique in flyback converter is focused.

本文以高效率反激变流器为研究对象，内容主要包括以下三个方面：第二章介绍了一种变频控制的副边采用二极管结构的反激变流器。

A new type high efficiency synchronous step-up DC/DC converter for hand-held device is designed in this thesis. It works in the PFM mode, and its switching frequency can up to 500 KHz. It offers a built-in synchronous rectifier that reduces size and cost by eliminating the need for an external Schottky diode and improves overall efficiency by minimizing losses.

本文设计了一种用于移动电子设备的高效同步整流的DC/DC升压芯片，该芯片采用PFM调制方式，工作频率最高可达500 KHz，内部集成功率管作为同步整流管，代替传统的肖特基二极管，导通电阻仅有0.4？

The absorption properties of Nd:YVO4 crystals with various doping levels and lengths are reported.The 1 064 nm laser properties are compared,and the effective stimulated emission crosssections of different doping levels are calculated with upper-level life-times we have measured.Our investigation give a good advice for the optimization of LD end-pumped Nd:YVO4 laser.

对多种掺杂浓度、长度的Nd：YVO4晶体进行了吸收性质、激光性质的研究和对比，根据实验结果和测得的上能级寿命计算了不同掺杂浓度Nd：YVO4晶体的有效受激发射截面，对激光二极管端面泵浦Nd：YVO4固体激光器的最优化有实际指导意义。

Based on the analysis of the temperature characteristics of SLD used in FOG,a new digital nonlinear temperature control method of SLD is designed.

引言超辐射二极管作为干涉型光纤陀螺的一种必需的光源，在光纤陀螺中得到广泛应用，它的输出功率高、光谱宽度宽以及相干长度短的特点，将有效的降低陀螺噪声。

If so, the following three conditions are not caused by outside: Enter the loop by a diode bridge rectifier breakdown; high-voltage electrolytic filter capacitor C5, C6 was the breakdown; inverter power switch Ql, Q2 damage.

若是，则不外如下三种情况造成：输入回路中某个桥式整流二极管被击穿；高压滤波电解电容C5、C6被击穿。；逆变功率开关管Ql、Q2损坏。

A chip from the 8255 population of diode switching data collection to simulate day and night, by the flipflop through the 8259 chip to control the street lamp light out.

即由8255芯片A口对二极管的开关数据的采集来模拟昼夜，由触发器通过8259芯片来控制路灯的亮灭。

The gate of each fet is tied through a diode to the electronic switch control flipflop so the gate can be pulled to ground, which is -4.5V compared to the source.

门每个FET的联系，通过二极管的电子开关控制触发器这么门可以拉到地面，那就是4.5v相比源泉。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。