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In 1961 they published the first carrier will be injected into the semiconductor PN junction to achieve the "injection laser" exposition and demonstration in the tunnel diodes as high as in Jane and the PN junction to achieve population inversion (which is Produced by stimulated emission of the necessary conditions for) the possibility, but also that active high-density areas around the most active carrier of the border areas on both sides of the refractive index of a difference, creating optical waveguide effect.

他们又于1961年最先公开发表将载流子注入半导体PN结以实现"注入激光器"的论述,并论证了在如隧道二极管中那样高度简并的PN结中实现粒子数反转(这是产生受激发射的必要条件)的可能性,而且还认为有源区周围高密度的多数载流子造成有源区边界两边的折射率有一差值,因而产生光波导效应。

A tunnel under the Bosporus has been planned for some time.

将来还会有穿越博斯普鲁斯海峡的隧道。

Yunjin Road Cable Tunnel crosses underneath the newlybuilt Yunjin Road. The buildings and utility lines near the cable tunnel increase the construction risks.

南京云锦路电缆隧道工程下穿新建成的云锦路,邻近有诸多楼房、管线,不可避免地存在许多工程建设风险。

For those postpartum women who still had Carpal Tunnel Syndrome, we need further evaluation in the future.

又於产后仍有腕隧道症者,是否仍有其他因素的影响,则需更进一步的观察和探讨。

I remembered, from Fe Gang to Ying De, I needed to ride through several tunnels by bike, one of them was 450 meters in length, it was narrow and there was no any lighting in it, only the little bite sunshine from out of tunnel, I was afraid of vehicles, their noises were earsplitting, I was worried about I was bumped, I was worried about if there were some holes in dark tunnel, I was afraid of dropping down into them. I was full of dread and helplessness I never had, in front of me, only a little bit faint sunshine.

我还记得从佛冈到英德,我要穿过几个隧道,有一个450米长的,我走进去非常害怕,周围黑得什么也看不见,我第一次感受大什么叫伸手不见五指,里面又窄又没有灯,只有洞口那一点点光明,我很怕有车进来,那声音震耳欲聋,我担心它撞到我,我有怕里面有个洞我掉下去,心里被一种从来没有的恐惧和无助笼罩着,我眼前只有一点光明。

In the treated specimens, the bone tunnel had more areas of denser connectie-tissue ingrowth.

治疗组动物中,骨隧道有较大面积的致密结缔组织向内生长。

These tunnels have an above normal number of large recesses.

这些隧道有超过正常数量的大凹穴。

The high efficiency and high power semiconductor laser with multi-active regions which are cascaded by reverse biased tunnel junction has a higher inner quantum efficiency which can larger than 1, so that it can output higher optical power at the same injected current compared with the normal lasers, meanwhile, it can be designed to large coupled optical cavity, so it will increase the limit of the electro-thermal destroy and the COD.

通过反向偏置隧道结将多个有源区级联起来的多有源区耦合大光腔高效大功率半导体激光器从理论上解决了传统激光器存在的问题,由于其内量子效率大于1,可以在相同电流下输出高的光功率,且可以制成耦合大光腔结构,增大了光腔面积,因此相对于传统激光器而言,其电热烧毁和COD水平都会提高。

The concept of near-field microscopy was proposed in 1928 by E H Synge, and has greatly developed. Many kinds of near-field ~microscopes have been invented.

近场光学成像理论建立至今,已经有多种形式的近场光学显微镜陆续问世,其中扫描近场光学显微镜和光子扫描隧道显微镜有了较为快速的发展。

Through the research of direct search method based on 3D FEM, and its application for the tunnel slope stability analysis, the objectives of this work in this paper are as follows:1. The dynamic programming as well as its application for 3D side slope stability analysis is studied. With the introduction of graph theory concept, one kind of glide pattern of 3D slope is constructed, and the critical slip surface with smallest safety factor is searched with the aid of one auxiliary function including safety factor;2. Using the C++ programming language, the 3D slope stability analysis and the direct search procedure is established, and this method is testified applicably by some contrast analysis, also some influence factor in analysis is discussed;3. Integrated with the different actual situation in tunnel slope, considered its excavation, timbering and rain infiltration, its stability influence and rule is researched used this method, also some processing measure is proposed.

本文通过对三维有限元直接搜索法的研究,并将其应用于隧道边坡的稳定性分析中,主要的研究内容有:1、研究了动态规划原理及其在三维边坡稳定性分析中的应用,引入图论概念,构筑出一种边坡三维滑裂面的滑动模式,借助一个包含安全系数的辅助函数并通过动态搜索求得临界滑裂面与最小安全系数;2、采用C++程序设计语言,编制出边坡三维稳定性分析以及直接搜索法的程序,通过一些算例的对比分析,验证本文方法的适用性,并讨论了三维分析中的一些影响因素。3、结合隧道边坡的不同实际情况,考虑施工开挖过程、衬砌结构及降雨渗流等方面的因素,利用本文方法研究对其稳定性的影响和规律,并提出处理措施

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If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了,请告诉我,我会帮助你摆脱困境,真的,请联系我啦!

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放,就是一个这样的例子。

Well, Jerry would rattle off all the details of that movie.

那么,杰瑞会急促背诵那部电影所有细节。