发光强度

The supernatant of the recombinant E. coli by sonication could not only repress the pigment synthesize of Chromobacterium violaceum ATCC 12472, but also could attenuate the intensity of bioluminescence of V. harveyi VIB391 and V. harveyi BB886 by 68% and 53%, respectively.

将表达的重组菌体经超声波破碎后，取其上清液作用于紫色色杆菌ATCC 12472，使其受密度感应系统控制的紫色色素的合成受到抑制；又用上清液分别作用于哈维氏弧菌的发光菌株VIB391和BB886，可使其发光强度分别减弱68%和53%。

The Er3＋up-converted luminescent process in oxyfluoride glass-ceramics is discussed and it is found that the non-quadratic relation between green up-converted luminescent intensity and pump power is caused by the strong cross-relaxation process of rare earth ions.

对稀土离子共掺杂系统，分析了Er3＋在铒镱共掺杂的氟氧化物玻璃陶瓷中的上转换发光过程，认为Er3＋绿色辐射的上转换发光强度与抽运激光功率的非平方关系是由于Er3＋和Yb3＋之间的强交叉弛豫过程引起的。

The results from ultraviolet spectroscopy and photo -luminescence spectroscopy revealed that:(1) Europium complexes based on neutral ligands, such as azaphenanthroline 2-aryl-5-(α-pyridyl)-1,3,4-ozadiazole had a strong UV absorbance at the wavelength of 290-350 nm and the characteristic PL spectrum of europium ion at 613 nm respectively;(2) The structures of ligands had a critical role influence on PL intensity of europium complexes.

紫外光谱和光致发光光谱研究表明：(1)以氮杂邻菲罗啉、2-芳基-5--1，3，4-噁二唑为中性配体的铕配合物在290～350nm左右都有强烈的紫外吸收，且在紫外光的激发下都能产生铕离子的特征光谱(613nm)；(2)配体的结构是影响铕配合物发光强度的关键因素之一。

The latter has only one PL band peaking at about 1.48eV,while the former is a double-band PL spectrum with peaks at both 1.48eV and 1.97eV.The electroluminescenceform the Au／scored Si-rich SiO2 film／p-Si sample is about 6 times in intensity of that of the Au／unscored one.

未刻划样品的PL谱只有一个峰，位于840nm(1.48eV)，而刻划样品的PL谱是双峰结构，峰位分别位于630nm(1.97eV)和840nm.800℃退火的刻划富硅二氧化硅/p-Si样品在背面蒸铝制成欧姆接触和正面蒸上半透明金电极后在正向偏压10V下的电致发光强度约为同样制备的未经刻划样品在同样测试条件下的EL强度的6倍。

The influence of the doped content of Tb3+ ions on the emission intensity was also investigated and the concentration quench occurs when the doped content of Tb3+ ions is beyond 9%, which can be explained by electric multipole-multipole interaction according to Dexters theory.

考察了掺杂离子浓度对样品发光效率的影响，Tb3+的最佳掺杂摩尔分数为9%，分析了其自身浓度猝灭机理，探讨了敏化剂Ce3+离子的加入对荧光粉发光强度的影响。

It is found that hydrogen incorporation influences the relative luminescence intensities of bound excitons, and, in particular, the intensity of I4 (3.363eV)is enhanced.

研究发现氢的引入影响了束缚激子的相对发光强度，特别是氢化以后I4峰(3.363eV)的强度增加。

Ore-bearing and barren rocks and soils were sampled in granite type uranium deposit s, and their glowing curves and intensities were measured.

在花岗岩型铀矿床上分别采集了含矿和无矿岩石样品及含矿和无矿土壤样品，用精密热释光剂量仪测量了它们的发光曲线和发光强度，并对所测结果进行了对比分析。

The wild carp otoliths thermoluminescence characteristics in the different water has the obvious difference, manifesting the difference of peak temperature (in particular second peak temperature).

不同水体中野生鲤鱼耳石的热发光特征存在着明显的差异，主要反映在半高宽、发光强度及峰位的不同。

The luminous intensity at 20 mA forward current of red LED fabricated by this process is 400mcd.

已研制成的红色发光二极管在正向电流为20mA时，发光强度为400mcd。

The results show that the as-synthesized chalcone-containing copolymers are a kind of thermosensitive polymer with a lower critic solution temperature and the LCST of the copolymer decreases with the increase of the chalcone content in the copolymer. With the increase of the solvent polarity, both the maximum absorption wavelength and the fluorescence emitting wavelength of the chalcone-containing copolymers redshifts, and the intensity of fluorescence first increases, then decreases, which exhibits solvent polarity sensitive fluorescence properties.

结果表明，侧链查尔酮共聚物是一类具有低临界溶解温度的温敏性聚合物，其LCST温度随着共聚物中查尔酮含量的增加而降低；随着溶剂极性的增加，侧链查尔酮共聚物的紫外-可见最大吸收波长红移，其荧光发光波长红移并且发光强度先增强后降低，具有溶剂极性敏感的荧光特性；同时对比侧链查尔酮共聚物水溶液低温和高温下的荧光，发现低温下几乎无荧光，高温下其荧光得到明显增强，其荧光具有可逆的温度&开/关&特性。

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。