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With more and more strick exhaust emission standard in recent years, the motorcycle which can not be up to the emission standard will not be launched.

随着国家对大气环境治理力度的加大，摩托车排放法规会逐年加严，达不到排放法规要求的摩托车将不允许投放市场。

Quantum dots are a kind of semiconductor nanopaticles with the radius equal to or less than the exciton Bohr radius. They have tremendous potential in the field of biology and medicine because of their unique and tunable optical properties (broad excitation spectrum, narrow emission spectrum, precise tunability of their emission peak and negligible bleaching, etc) as new fluoresent probes.

量子点是半径小于或接近于激子玻尔半径的一类半导体纳米晶，作为一种新型的荧光标记物，其独特和可调谐的光学特性（宽的激发光谱、窄的发射光谱、可精确调谐的发射波长以及可忽略的光漂白等）使其在生物和医学方面显示出巨大的应用潜力。

There was not only 616 nm emission from Bq exaction,but also a peak at 500 nm emission in the electroluminescence spectra.

多层结构的器件在不同电压下都呈现白色的发光，经计算发光的色坐标为(x=0.37，y=0.38)。

The whole industrial chain and branch chains of circular economy have been planned for Zhenhai chemical park. The branch chains consist of ethane chain, C_1 chain, HC1 chain, H_2chain, NH3 chain and S chain. The concept of equivalent pollutant emission, E, has beenproposed and a reference line based on equivalent pollutant emission has been given and applied to the primary appraisal for Zhenhai chemical park. The whole chain and branch chemical industry chains have been also planned for ZJC group company, which include the industrial chain containing fluorine, the industrial chain of basic chemicals and the industrial chain of petroleum chemical industry.

本文对镇海化学工业区的工业链构建进行了可行性分析；完成了园区工业链的整体规划设计，和包括乙烯工业链、碳一工业链、HCl工业链、H_2工业链、NH_3工业链、S元素工业链在内的6条分链的设计；提出了污染排放当量E_t~′的概念，并将其应用到园区工业链招商的初评，制定了入园参考线；本文在对ZJC集团公司发展现状分析的基础上，根据其物质流和能量流的分析，进行了工业链的总体设计，并对氟化工产业、基础化工产业(包括以合成氨为代表的煤化工、以氯碱生产为代表的盐化工以及硫酸、电石等产业)和石油精细化工产业完成了分链设计，进行了分链的分析，提出了建议。

Classes of emission, and with a power not exceeding that specified in the Schedule in relation to the class of emission and frequency in use at the time.

该电台用来发讯时，所用的发射形式必须是附表所指明的发射类别，频率亦须依照附表分别就该等发射类别所指明的频率，而功率则不得超过附表就当时正在使用的发射类别和频率所指明的功率。

Carbon nanotubes are excellent field emission cold cathode materials with a low threshold electric field and a high emission current density, which make them attractive for potential application in panel display.

碳纳米管具有低的阈值电场和高的发射电流密度，是一种性能优良的冷阴极材料，在平面显示领域具有潜在的应用价值。

As for light emission from semiconductor NWs or NTs or NCs, an accurate and efficient method is proposed to simulate light emission of an emitter in a general cylindrically multilayered nanostructure.

在一维半导体纳米结构光辐射器件方面，包括半导体纳米线、纳米管和纳米同轴线等，我们提出适用于柱坐标系下多层同轴结构光辐射的精确高效的电磁理论分析模型。

Since 1990, people began to pay attention to the semiconductor electron field emission, in the beginning,"Diamond Field Emission age." then further expand to the DLC cold cathode material.

自1990年以后，人们开始关注半导体场电子发射，其开始于"金刚石场发射年代"，然后进一步拓展到类金刚石冷阴极材料。

Furthermore, comparing with local and oversea emission factors, the differences between FIRE Data System and data system from locally survey comes from diversity of production materials, difference of control efficiency affecting the resultant emission factors and diverseness of throughput and product amounts.

此外，比对国内外排放系数显示，因制程使用原物料不一、防制设备系统有无、活动强度及产品量差异性，导致FIRE资料库与国内实测排放系数差异颇大。

The luminescence properties were investigated with PL and PLE spectra.Emission peaks were at about 450 nm.This emission was ascribed to the recombination between the sulfur vacancy-related electron trap donor having an energy level just below the conduction band and the Ag-related hole trap acceptor above the valence band.

通过发射光谱和激发光谱对产品的光学性质进行研究，发射峰位于450 nm左右，归属于硫空位相关的电子陷阱施主和银相关的空穴陷阱受主的复合；激发峰位于333 nm左右，归属于ZnS基质的带边吸收。

On closer examination, though, this is not a vote for multilateralism but just the opposite.

仔细审视后我们发现，这并非是对多边主义投出的赞成票，而是恰好相反。

Uncovering their weak spots, so I can defeat them.

揭露出他们的弱点，这样我就可以打败他们了。