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The present invention relates to an ultraviolet detector and manufacture method thereof, in which a buffer layer is formed on a baseplate and a P-type GaN layer is formed on the baseplate by using epitaxial method. By availing ion-distribution-and-vegetation technology, a first N-type GaN layer is vegetated and invested in the P-type GaN layer by distributing and vegetating Si.sup.+ ions in that layer, and a second N-type GaN layer having a thicker ion concentration is invested in the N-type GaN layer.

专利简介本发明系关於一种紫外光检测器及制程方法,其主要系在一基板形成一缓冲层,利用磊晶法在缓冲层形成一P型氮化镓系层,并接著以离子布植技术将Si+离子适当地布植於该P型氮化镓系层中,形成一N型氮化镓系层及包覆在此N型氮化镓系层中且布植浓度更高的另一N型氮化镓系层,最后在该P型氮化镓系层及第二N型氮化镓系层分别镀一环状金属层及另一金属层,以作为欧姆接触层。

This research boosts the study in the new generation of tests theory in our country, and offers references to the functions realization of cognitive diagnosis of the geometric analogy test in practice.

本研究从理论推进了我国在新一代测验理论的研究,从实践为几何类比推理测验的认知诊断功能实现提供技术的参考。

Corresponding to the different worlds of the Spanish cabalists, the German cabalists also assume four worlds; namely:(1) the world of the "glory" just mentioned;(2) the world of angels;(3) the world of the animal soul; and (4) the world of the intellectual soul.

对应于不同的世界中,西班牙cabalists ,德国cabalists还承担4个,世界的,即:( 1 )世界的&荣耀&刚才提到的,( 2 )世界的天使;( 3 )世界的动物的灵魂;( 4 )世界的智慧的灵魂。

The suspension system of claim 1, wherein said mounting means includes an upper spring seat secured to said horizontal section, said upper spring seat further includes a pin guide for receiving a hanger pin which provides said pivot, an upper axle cap pivotally located on said hanger pin and a lower axle cap secured to said upper axle cap to captively retain said axle therebetween.

悬挂系统的索赔1 ,其中说,越来越多的手段包括一个座位春说,担保,以横向节说,春季座位还包括了一个引脚指导收到了衣架引脚提供了支点说,轴帽至关重要说,位于衣架引脚和较低的车轴帽担保说,轴帽,以captively保留车轴therebetween说。

With focus on: The common coffee table into a scrapbook, as long as the vacation photos or books, good-looking picture cut out on the mat again in the Backing Paper covered with glass can be a prison pressure, can also add after the completion of on a glass ball filled with fruit baskets decorated desktop.

搭配重点:将普通的咖啡桌变成一本剪贴簿,只要把度假时的照片或书好看的图片剪下来,垫在衬纸再盖玻璃压牢就可以了,完成后还可以再放一只装满玻璃球的水果篮点缀桌面。

Option One: a multi-polar set of ordinary water pipe installation balancing valve hole ① in charge of water pipe line and the 20-hole HVAC balancing valves installed ② Install a balancing valve in the shaft exit ③ air box installed in each balancing valve ④ In each of the tenants on the installation of balancing valve outlet Option Two: Using the Dynamic Balance valve ① fan coil unit installed in the end of the balancing valve ② air-condition the box at the end of the balancing valve is installed After the economic comparison, the final adoption of the balance valve program ① air box end of the installation of balancing valve and the automatic control valve ② retail and office space within the District, a combination of two or three fan coil balancing valves and automatic control valves, each fan coil outside the district office for personal use of a balance valve and automatic control valve 3, balance valve application summary ① long pipeline DRS installation of large multi-level system price higher than the end of the normal balance valve device a dynamic balance valve.

方案一:多极设置普通水管井间安装平衡阀①在主管线与20个暖通水管井间安装平衡阀②在竖井出口位置安装平衡阀③在每个空调箱安装平衡阀④在每个租户的出水口安装平衡阀方案二:使用动态平衡阀①在末端装置风机盘管安装平衡阀②在末端装置空调箱安装平衡阀经过经济比较,最终采纳的平衡阀方案是①空调箱末端安装平衡阀及自控阀②零售和内区写字楼两或三个风机盘管合用一个平衡阀及自控阀,外区写字楼每个风机盘管自用一个平衡阀及自控阀 3、平衡阀应用总结①长管线异程大系统多级安装普通平衡阀价格高于末端设备一级动态平衡阀。

Option One: a multi-polar set of ordinary water pipe installation balancing valve hole ① in charge of water line and the 20-hole HVAC balancing valves installed ② Install a balancing valve in the shaft exit ③ air box installed in each balancing valve ④ In each of the tenants on the installation of balancing valve outlet Option Two: Using the Dynamic Balance valve ① fan coil unit installed in the end of the balancing valve ② air-condition the box at the end of the balancing valve is installed After the economic comparison, the final adoption of the balance valve program ① air box end of the installation of balancing valve and the automatic control valve ② retail and office space within the District, a combination of two or three fan coil valves Valves and Controls, for personal use outside the district office for each fan coil unit and automatic control valve of a balance valve 3, balance valve application summary ① long pipeline DRS installation of large multi-level system price higher than the end of the normal balance valve device a dynamic balance valve.

方案一:安全阀多极设置普通水管井间安装平衡阀①在主管线与20个暖通水管井间安装平衡阀②在竖井出口位置安装平衡阀③在每个空调箱安装平衡阀④在每个租户的出水口安装平衡阀方案二:使用动态平衡阀①在末端装置风机盘管安装平衡阀②在末端装置空调箱安装平衡阀经过经济比较,最终采纳的平衡阀方案是①空调箱末端安装平衡阀及自控阀②零售和内区写字楼两或三个风机盘管合用一个平衡阀及自控阀,外区写字楼每个风机盘管自用一个平衡阀及自控阀 3、平衡阀应用总结①长管线异程大系统多级安装普通平衡阀价格高于末端设备一级动态平衡阀。

When the pressure is low, the role of Poppet head pressure sufficient to overcome the pressure regulator spring force, Poppet Head is closed at this time there is no pressure on the oil through the damping holes on the balance of the piston movement, so a balance piston, the next two cavity pressure equal, balanced piston under the action of the spring force gently on the top of the seat, pressure port and overflow port unreasonable.

当压力较低时,作用在提动头的压力不足以克服调压弹簧力,提动头处于关闭状态,此时没有压力油通过平衡活塞的阻尼孔流动,故平衡活塞、下两腔压力相等,平衡活塞在弹簧力的作用下轻轻地顶在阀座,压力口和溢流口不通。

Based on rail/wheel reaction and track/bride reaction theory and systems engineering theory, new vehicle-track and vehicle-track-bridge system dynamic models are established and discussed in details, including ballast track model and ballastless track model. The characteristics of the models are:(1) vehicle-track and vehicle-track-bridge system dynamic models are coupled in vertical and lateral;(2) track vibration on bridge is taken in account, track on bridge is considered as one or two layer continuous-point supported rail model, according to actual track structure, interaction between vehicle and bridge transfer from track structure;(3) three type of ballastless track models (tieembanked, elastic-tie-block, slab track) are presented;(4) models reflect the main feature of actual vehicle, track and bridge structure, the response computation frequency of models is relatively broad, which can be applied to analyze both low frequency and high frequency vibration.

基于轮轨相互作用和线桥相互作用特点,本文从系统工程角度出发建立了车辆、有碴轨道和无碴轨道、简支箱梁桥垂向和横向耦合系统动力分析模型,该系统模型具有以下特点:(1)车线、车线桥体系均考虑为垂向、横向耦合振动系统,车线间通过轮轨接触几何关系耦合,轨道与桥梁间通过轨道与梁体间的力与位移协调条件耦合;(2)充分考虑桥线路在车线桥系统中参振作用,根据桥线路轨道结构特点将桥轨道结构模型具体化,即对桥轨道结构视为多层支承体系,车桥间的动力作用通过轨道结构来传递;(3)建立了三种形式无碴轨道动力分析模型,即长轨枕埋入式、弹性支承块式和轨道板式无碴轨道模型;(4)系统模型详细,分析频带宽,适用范围较广。

In the Chapter 4, finance bond is studied, With the comparison to the other bonds, the development course of finance bond market in our country has been briefly reviewed, the issuer and the issuing method have been concretely analyzed, and the perspective of the finance bond market in our country has been put forward.

本文从金融结构、金融体系发展变化的历史角度出发,在研究内容比较全面、系统地分析了中国债券市场发展现状、发展中存在的问题、面临的挑战、创新的方向以及发展的目标模式,在研究的理论基础注重运用新的理论,在研究方法注意采用多种研究方法,在资料整理特别是关于企业债券和金融债券方面的内容较完整、全面。

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推荐网络例句

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车,和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特,那个是爱朗。

Articulate the aims, objectives and key aspects of a strategic business plan.

明确的宗旨,目标和重点战略业务计划。