查询词典 diode

Draw and interpret circuit diagrams containing sources, switches, resistors,lamps ,ammeters voltmeters, bells, and diode.

会画含电源，开关，电阻，灯，电流表，电压表，电铃和二极管的电路图。

The principal products of Huicheng are organic anhydrides, amines and esters which can be used for LED (light-emitting diode), OLED, coatings, pesticides, synthetic, etc.

公司主要致力于研发、生产有机酸酐、有机胺和酯类，产品用于发光二极管、有机发光显示器、涂料、农药和合成树脂等。

The proteins in milk and dairy products were mostly eliminated by the precipitators. Three aseptics and two sweeteners were separated on a C18 column with the mobile phase of methanol -0.05mol/L potassium dihydrogen phosphate under gradient elution. With a diode array detector, acesulfame, benzoic acid, and sorbic acid were detected at 230 nm and sodium saccharin and aspartame were detected at 210nm.

通过加入适量沉淀剂除去样品中绝大部分蛋白质后，采用C18色谱柱分离，以甲醇－0.05mol/L磷酸二氢钾溶液为流动相梯度洗脱，用二极管阵列检测器于230nm波长处检测安赛蜜、苯甲酸和山梨酸，于210nm波长处检测糖精钠和阿斯巴甜。

The company has experienced a number of LED research and development, application of talent that has its own independent research and development capabilities, according to customer needs, development and production of LED (light-emitting diode) products; company's management reflects the rigorous, realistic, Hard work and innovative spirit of enterprise, which has a fully automated by-minute color, solid crystal, wire bonders; manufacturing process in strict accordance with the ISO9001: 2000, the Chinese quality assurance system operation has been certified by SGS environmental non-toxic, the EU RoHS Product safety certification.

公司拥有一批经验丰富的LED研发、应用人才，具有自己独立的研发能力，能够根据客户的需求，开发和生产各种LED系列产品；公司的经营管理体现了严谨、求实、拼搏、创新的企业精神，其拥有全自动的分光分色仪、固晶、焊线机；制造工艺严格按照ISO9001：2000、华夏质量保证体系运作；公司已通过SGS环保无毒认证、欧盟RoHS产品安全认证。

A home made laser diode was used to end pump a piece of 1.0 mm long Nd:YVO4 crystal dopped with 1.0%.

用国产的激光二极管端面泵浦厚2.0 mm、掺杂浓度1.0%的Nd：YVO4激光晶体，在注入泵浦光功率为8 W时，用5 mm长的I类临界位相匹配BIBO晶体获得的TEM00模蓝光输出达1.83 W。

There are three parts included. The first part is the prepositive-amplifier, it gets broadband high gain and flat frequency response. The second part is the U band quadrupler, which composed of two doublers using a PHEMT chip HMMC-5040, a Schottky diode of DMK-2790, a HMMC-5040 amplifier, and a fin-line transitional stage. Maximum output power higher than 60mW is obtained in V band. The third part is a 2nd harmonic gunn oscillator injection locked by the Fundamental Wave,which get about 2GHz locked bandwidth in W band.

电路主要由三部分组成，第一部分为采用HMMC-5618设计的前置放大器，实现了宽带高增益和平坦的频率响应；第二部分为设计的主体，由HMMC-5040设计的二倍频器、DMK-2790设计的二倍频器、HMMC-5040设计的放大器及鳍线过渡段组成的U波段四倍频器，在U波段实现了最高60mW以上的输出功率；第三部分为基波注入锁定谐波Gunn振荡器，在W波段实现了近2GHz锁定带宽。

The equations for two-conductor coupled-line Marchand baluns are derived. The analysis and systematic design procedure for multi-conductor coupled-line Marchand baluns are also presented, and verified with a few fabricated multi-conductor coupled-line Marchand baluns. Two MMIC broadband diode frequency doublers using multi-conductor coupled-line Marchand baluns are implemented to demonstrate the design procedure of multi-conductor coupled-line Marchand baluns. The MMICs achieve miniature chip areas with broadband performances in millimeter-wave regime.

二金属耦合线马逊平衡不平衡转换器的方程式推导及多金属耦合线马逊平衡不平衡转换器的分析及系统化设计流程也在此论文中被提出，并且用许多实际制作的平衡不平衡转换器做验证，此外，两个微波单晶积体电路的宽频二极体倍频器包含多金属耦合线马逊平衡不平衡转换器也用来验证此多金属耦合线马逊平衡不平衡转换器的系统化设计流程，这两个微波单晶积体电路在毫米波的频段内都达到微小的晶片面积与宽频的响应。

Four new microwave devices revolutionized radar; the British Magnetron (optimized and fanned out into a family by BTL/Western Electric), the American gas discharge duplexer transmit-receive T-R switch tube, the American advanced semiconductor mixer diode (MIT Rad Lab and BTL/WE), and the American klystron local-oscillator tube.

四种新型的微波装置掀起了雷达发展的革M：英国磁控管（为贝尔电话实验室和Western Electric所改良并发展成为一个大家族），美国的气态双工收发转换开关，美国的先进半导体二极管混频器(MIT 电子实验室和 BTL/WE)和美国的可调速本机振荡管。

Based on the ring-shaped laser-diode array side-pumped Nd:YLF high gain amplifier and the conventional plan-concave resonator, a simple structure single-longitudinal-mode single-pulse Q-switched oscillator is demonstrated by taking advantages of mode-selecting property of passive Q-switches (Cr4+:YAG crystal) and etalons (formed by two end of uncoated Nd:YLF rod).

以激光二极管环形阵列侧面抽运Nd：YLF棒高增益放大器模块为基础，在经典的平凹驻波腔中加入一片Cr4+：YAG晶体作为被动Q开关，利用被动Q开关本身所具有的振荡选模功能以及两端不镀膜的Nd：YLF棒所具有的标准具效应，简便地实现了稳定的单脉冲、单纵模调Q输出。

Keywords: trench and field stop IGBT; fast switching diode; extended save operation area; ruggedness

沟槽—电场截止型IGBT；快速开关二极管；扩展安全工作区；加固耐用性

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。