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Dinoflagellates of the genus Noctiluca that when grouped in large numbers make the sea phosphorescent.

夜光藻一种生物发光鞭毛目动物,夜光藻属,当其成群量出现时,使海洋出现磷光现象

The adsorption capacity of La/TiO2 catalysts increases with lanthanum dosage in the acidic solution. The contribution of actual photodecomposition was determined by desorption process, after the photocatalytic reaction.

在酸性环境时,当触媒以La金属改质后,将会大幅提升吸附能力,添加越多量吸附能力越强,因此可促进染料扩散至TiO2表面而分解;利用反应结束后之脱附程序,将吸附於触媒表面的染料脱附至水溶液中,以厘清实际光催化之降解量。

Defocusing effect on the patterns of microlens array imaging photolithography is analyzed, and tolerance of defocusing range of the system is given.

本文分析了离焦量对微透镜列阵成像光刻图形质量的影响,给出了系统离焦量的容差。

Carbon dioxide production during photorespiration may be up to five times greater than in dark respiration.

光呼吸产生的CO2量可能是暗呼吸中的五倍还多,光呼吸在过氧化物体而不是在线粒体中进行,并且不与氧化磷酸化藕联。

Open Linear Encoder includes main grating scale and optical encoder head. This optical encoder head includes LED light source, optical detector module, and secondary phase-grating. LED light will pass through the plano-convex lens and produces parallel light. As the parallel light pass through secondary grating, the quadratic image display on the main grating scale. And the Moire interference will be reflected from the main grating scale and detected by optical detector module, as there is a relative shift between the main and secondary grating. From detecting the periodic sinusoidal signal with phase difference 90°, the period represents the grating pitch, using the counter to detect the number of periodic signals to get the displacement, and we can adapt the technology of electron subdivide further to increase the resolution of measurement .

反射式光学尺包括主光栅尺及光学读头,光学读头包含LED光源、光侦测器模组及相位式副光栅,LED光源经平凸透镜,产生平行光穿透副光栅后,副光栅之二次成像投射在反射主光栅尺上,当主、副光栅因相对运对产生之Moire干涉经主光栅尺反射至光电检测器,检出相位差90°之周期性弦波讯号,其周期代表栅距,因此可用计数器检出周期性讯号数目得到位移量,可进一步采用电子细分割技术提高解析度。

Besides, useful information including the linear range, the maximum trapping force, and the error associated with the linear approximation of trapping force when the particle was in the nonlinear regime was deduced from the experimental data for each polystyrene bead size. In the 2nd part, we report the application of oscillatory optical tweezers to trap and oscillate three different types of E.

此外,我们也从一些曲线的讯息得到有用的资讯,如每种聚苯乙烯小球量测的线性范围、最大光钳力以及允许10%最大误差时的线性趋近光钳力等等。

A novel catalytic resonance light scattering method for the determination of traces of formaldehyde in blood plasma was developed. It was based on the fact that potassium bromate reacted with pyronine Y to form association nanoparticles which gave stronger resonance light scattering effect, and formaldehyde can catalyze potassium bromate oxidizing pyronine Y resulting in decreasing of the intensity of resonance light scattering in sulfuric acid.

在稀硫酸介质中,溴酸钾与吡啰红Y能聚集成较大粒径的纳米微粒而使共振光散射增强,而甲醛能催化溴酸钾氧化吡啰红Y而导致体系共振光散射减弱,据此建立了一种灵敏、简单、快速测定血浆中痕量甲醛的新方法。

Plate and λ/2 plate were placed inside the Nd∶YVO4KTP green laser cavity with angle 90°between their fast axis.The composite plate composed of HWP,QWP and KTP has the function of QWP.The composite plate with Nd∶YVO4 can effectively suppress the coupling of polarized modes,and multi-longitudinal-mode lownoise green laser was obtained.Since the composite plate counteracted the phase shift induced by temperature sensitivity of quartz plate,the green laser operated with lownoise reliability in different output power and different operation temperature.The threelongitudinalmode, the noise of less than 0.5% and output power stability of less then 1% for 12 hour are obtained in the green laser.

介绍了一种LD泵浦腔内倍频全固体Nd∶YVO4KTP多纵模、低噪音、高功率稳定绿激光器在Nd∶YVO4KTP绿激光器组成的谐振腔内放置厚度约相等的石英晶体λ2波片和λ4波片,使两波片快轴夹角互呈90°,HWP、QWP与KTP构成复合波片,其作用相当于QWP,此复合波法与各相异性Nd∶YVO4共同作用有效抑制了腔内偏振模耦合,获得多纵模低噪音绿光输出此复合波片相互作用由于抵消了石英晶体波片温度敏感引起的相位延迟量漂移,所以此激光器在不同功率、不同工作温度下,均能稳定可靠地运转于低噪音状态实验结果为,绿光输出纵模数为3个,噪音小于0.5%,12 h功率稳定性优小于1

In order to meet the demand of precise measurement and applications, the principle of phase retardation with oblique incident angle is expounded, based on the total-reflection phase transformation theory of the phase retardation. By means of Fresnel rhomb, the variation law of the phase retardation for rhomb-type retarder with the incident angle is analyzed. The result indicates that incident angle has obvious influence over the phase retardation.The phase retardation is sensitive to the incident angle, and also has close correlation to incident position of the incident ray, which is asymmetrical to the incident position of the incident ray.

为满足精确应用和测量的需求,从相位延迟的全反射相变理论出发,阐述了斜入射相位延迟原理,以菲涅耳菱体为例,分析了菱体型相位延迟器相位延迟随其入射角变化的规律性,结果表明:当光线非严格准直时,光的入射角对相位延迟量有明显的影响,延迟量不但对入射角变化敏感,而且还与入射光线的入射方位密切相关,呈不对称形式。

X-ray diffraction was used to analyze the crystal structure and the field-emission scanning electron microscopy inspected the surface and cross-sectional morphology. X-ray photoelectron spectroscopy is used to determine the film composition. The optical transmittance, electric resistance, Hall Effect, and Seebeck coefficient were measured. It was found in XRD patterns that all samples possess In2O3 structure.

在特性量测方面,分别以X光绕射分析其晶体结构,场发射扫瞄式电子显微镜分析其表面及断面型态,以X光电子能谱分析仪分析薄膜成份,并搭配光穿透率、电阻率、霍尔效应及Seebeck系数等特性分析,探讨经热处理之后薄膜的热电特性变化。

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Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车,和一双合并为一移交&整个lotta爱&。

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