发射

The results indicate that the forward launch gains a n advantage in capability over backward launch, but the difficulty of forward launch is attitude control of the laun ch vehicle.

结果表明，内装式空射运载火箭采用前向发射方式比采用后向发射方式具有较大的性能优势，但运载火箭的姿态控制是前向发射的技术难点。

The effects of the content of Hexogenand Nitroguanidine on the combustion behavior of nitramine propellant s under low pressure were studied in the closed bomb.

为了研究RDX和硝基胍对硝胺发射药在低压下燃烧性能的影响，对六种RDX/NGu配比不同的硝胺发射药进行低压密闭爆发器静态燃烧实验，获得了在20~60MPa压力范围内硝胺发射药的燃烧试验数据。

A novel bis (o-aminobenzophenone) s monomer is synthesized, and is used to get three different polyquinolines containing phenylamine moiety through Frieldlander reaction. The solubilities, thermal stabilities and luminescent properties of the polymers were evaluated. All the polymers are thermal-stable, and are soluble in common organic solvents. The emission of their thin film is from excimer emission.

合成了一种新型的二邻氨基二苯酮单体，通过Frieldlander反应，可以构造出不同结构的含有类三芳胺基元的发光聚喹啉，对其溶解性、热性能进行了研究，结果表明这类聚喹啉在常用有机溶剂中的溶解性有了很大提高，同时保持了聚喹啉较高的热稳定性；研究了它们在溶液态和薄膜态的紫外可见吸收光谱和荧光发射光谱，发现它们在薄膜态下的荧光发射主要来自于分子间激基复合物发射。

In this paper ,move ment pri nci ple of rocket i n direction pi pe was got by dy— namic si mulation ,and effect characteristic consideri ng contact stiffness ,detent force and nozzle thrust misalignment a— bout pitchi ng angle velocity was analysis .All the study set foundationfor further study of high—lowpressure launch sys— te m.

通 过发射仿真分析，获得了火箭弹在高低压发射系统中的内弹道变化规律，分析了火箭弹与定向器的接触刚度、耳轴扭转刚度、尾喷管推力偏心等因素对俯仰角速度的影响特性，所得结论为火箭武器高低压发射系统的进一步相关研究奠定了基础。

Excitation functions of neutron, proton and α particle emission prior to scission measured in the reactions 28 Si+ 164,167,170 Er→ 192,195,198 Pb are studied using an extensive fission diffusion model and it is found that the model can well describe the trend of particle multiplicities of Pb isotopes measured experimentally as a function of the bombarding energy,which indicates the existence of isotope effects in prescission particle emission.

用推广的裂变扩散模型研究了2 8Si+16 4，16 7，170 Er→192 ，195，198Pb反应中测量的断前中子、质子和α粒子多重性的激发函数。发现扩散模型能很好地拟合这些轻粒子多重性随裂变系统激发能和Pb同位素的变化趋势。表明断前粒子发射存在一个同位素效应。进而在一个考虑了裂变过程中摩擦效应的统计模型的框架内，在In和Er这两个元素的同位素链中，考察了同位素效应与裂变碎片质量不对称性和裂变系统尺度的关系。计算结果表明：同位素效应的存在不依赖于裂变系统的大小和不对称性。此外，当裂变系统具有高的中质比时，轻带电粒子发射将不再敏感于裂变延迟时间的长短，而中子发射则非常敏感。

However, DPP nanoparticles were found to present multiple emission from pyrene at 385 nm, pyrazoline at 465 nm and an intermolecular pyrazoline-pyrene charge-transfer state at 570 nm, and each of them possesses individual optical channel.

在粒径确定时，用一确定波长激发时，发射光谱中不同发射的最大强度直接决定于对应激发光谱在该波长下的强度。另一方面，超微粒粒径的大小同样影响着三个部分的相对强度。随着粒径的增大，吡唑啉环-芘环之间电荷转移态570 nm的荧光发射逐渐消失。

Unoriented ZnO nanowires are fabricated either on the surface of silicon wafer or at the tip of needle-like tungsten by vapor-phase deposition. Both the plane field emission and tip field emission of ZnO nanowires are studied using a field emission microscope.

运用气相沉积方法分别在硅片表面和钨针尖上制备了非取向生长的ZnO纳米线，并通过场发射显微镜研究了纳米线样品的平面场发射特性和针尖场发射特性。

CNTs/PTFE and CNTs/epoxy composite materials were used as field-emission cathode and the two electrode configurations were encapsuled into a static vacuum system respectively.

通过对比测试，研究了两种复合材料阴极在静态真空系统中的场发射特性，比较了两者在不同场发射电流密度时的电流稳定性，以及随着封装后时间的增长对静态真空系统场发射性能的影响。

As a result, dual fluorescence was observed in non-polar solvents. Long-wavelength emission was found to consist of two components:+D||A" exciplexes resulted by "harpooning effect" and +D^^A" exciplexes stablized by solvation.

研究结果表明：合成的化合物在非极性溶剂中有双重荧光的稳态发射行为；双重荧光中的长波长发射经时间分辨光谱研究为双指数发射衰减；其中的长寿命衰减是由于该类化合物在非极性溶剂中激发后经过分子内电荷转移形成了激基复合物所致，而产生该激基复合物的直接原因是由于在非极性溶剂中的&harpooning effect&所致，短寿命则来自于该类化合物激发后在溶液中发生了分子内电荷转移的直接衰减。

Products Division my range, stable performance, wavelength coverage from 360-980nm, the color that contains ultra-violet, purple, violet, blue, blue-green, green, yellow-green, yellow, amber, orange, red, pink, white, infrared emission series family of products, especially the infrared emission tube (850,940) series at peers take on a leading position, both are from the life, stability, attenuation, transmission power, etc. At both peer leader status, and species, the perspective of complete, one of 850,5 mm (15 , 30 , 45 , 60 , 95 ), 8mm (15 , 30 , 45 ) with the spot at any time.

我司产品品种齐全，性能稳定，波长覆盖从360-980nm，颜色包含紫外光、紫光，紫罗兰，蓝色，蓝绿色，绿色，黄绿色，黄色，琥珀色，橙色，红色，粉红色，白色，红外发射系列等系列产品，尤其是红外发射管（850，940）系列在同行中取于领先地位，无论是从寿命，稳定性，衰减，发射功率等方面在同行中都处于领先地位，而且品种，角度齐全，其中850，5mm（15°、30°、45°、60°、95°），8mm（15°、30°、45°）随时备有现货。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。