发射

Photoluminescence test results found there are bimodal launch in red light areas, which is not reported in the past, we give an explanation to this in the end.

光致发光测试结果发现在红光区存在双峰发射，这是以前所没有报道过的，我们对红光发射给出了解释。

The invention discloses a data transmitting method, a device and a system in a time division duplex system, which is used to solve the problem in the prior art that downlink data among adjacent cells interfere to uplink data; the method comprises that: a blanket channel of a whole cell or a high-power transmit channel is mapped to OFDM symbols of a downlink time slot in a transmit frame, a guard interval in the transmit frame and the OFDM symbol on a time domain space OFDM symbols which are not mapped to any of the blank channel of the whole cell and the high-power transmit channel; an uplink control channel is mapped to OFDM symbols of an uplink time slot in the transmit frame, the guard interval and the OFDM symbols for mapping the uplink control channel on the time domain space OFDM symbols which are not mapped to uplink control channel; the OFDM symbols of the transmit frame are transmitted; the invention is adopted to avoid the interference between the downlink data and the uplink data among the adjacent cells.

本发明公开了一种时分双工系统中发送数据的方法、装置及系统，用以解决现有技术中邻近小区间的下行数据对上行数据产生干扰的问题；该方法包括将全小区覆盖信道或大功率发射信道映射到传输帧中下行时隙的OFDM符号上，并且所述传输帧中的保护间隔与所述OFDM符号在时域上间隔未映射全小区覆盖信道和大功率发射信道中任一信道的OFDM符号；将上行控制信道映射到所述传输帧中上行时隙的OFDM符号上，并且所述保护间隔与映射上行控制信道的OFDM符号在时域上间隔未映射上行控制信道的OFDM符号；发送所述传输帧的OFDM符号；采用本发明可以避免相邻小区间的下行数据和上行数据之间的干扰。

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。

The domestic and overseas background and the development of "Canister Rifle hitched on the Gun" are introduced in the paper.

本文介绍了枪挂霰弹发射器在国内外的发展现状和趋势，并据此提出了一种全新的枪挂霰弹发射器的设计思路。

China announced on Friday that its Moon probe project has entered the launching phase, and the satellite and the carrier rocket are ready for launch.

中国在周五宣布，月球勘探计划已经进入了发射阶段，而卫星和运载火箭也已经做好了发射准备。

"The past 14 successes cannot guarantee the next launch will be successful and the carrier rocket is designed with a reliability index of 0.95, so strictly speaking, not every launch can be guaranteed a success," Jin said.

金说："过去的十四次的成功并不能说明下一次的发射就一定能够成功，运载火箭的可靠指数是0.95所以严格的说："并不是每次的发射都能保证成功。

The marks on the warhead and cartridge case fired by the same gun can show the specific feature of the gun's parts.

同一支枪发射的弹头或者弹壳上痕迹能反映发射枪支有关部件的细节特征。

Objective To investigate the optimal time of distortion product otoacoustic emissions in newborn hearing screening and to obtain the basic properties of DPOAE in the normal newborns. Methods DPOAE were recorded 1 to 5 days postpartum in 40 ears of 20 healthy newborns with Celesta 503 Cochlear Emission Analyzer.

目的 研究新生儿畸变产物耳声发射听力筛选的最佳时机，了解正常新生儿DPOAE的基本特征；方法应用Celesta 503型耳声发射分析仪对20名正常新生儿出生后1～5天逐日进行DPOAE测试。

This thesis has discussed the theory of measuring distance in ultrasonic, which include ultrasonic shaking transmit velocity, central frequency, angle of launch control, measure distance, dynamic measure and so on. According to character of wave shape output by circuit, this thesis has designed an efficient way to diminish noise that enables precision of the ultrasonic sensor to 0.2%.

论文详细论述了超声波测距的基本理论，包括超声波震动传播速度、中心频率、发射角控制、发射能量、检测距离、动态检测等；并根据电路输出波形特征设计了有效的降噪方法，使超声波传感器的精度达到了0.2%，然后对降噪后的信号进行了标定。

The traditional AE characteristic parameter analysis method has been used to study the damage process of the product.

提出声发射检测技术在某型导弹的球形补压气瓶检测中的应用，找出传感器的安装布局和定位声发射源的算法，采用参数分析的方法对产品在变形损伤过程中的AE特征进行研究。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。