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Under the condition of the borehole and sandstone formation filling with oil and water, respectively, the ability is different when different energy windows are selected to distinguish formation by simulating the detector response spectrum of various diameters and length of NaI and BGO crystal. The C/O value difference of BGO crystal is higher than that of NaI crystal when the energy window includes photoelectric peak, the first and the second escape peaks, but it is less affected by the different sizes of detector crystal. Using photoelectric peak corresponding to the energy window, the C/O value difference of BGO crystal detector is much larger than that of NaI, but it increases with the crystal size increasing. The C/O value is greatly affected by energy drifting, while relatively a little by energy resolution.

对于井眼和地层流体分别为油和水砂岩地层,模拟改变NaI和BGO晶体探测器的直径和长度时的非弹性散射γ射线响应能谱,采用不同能窗处理方法对地层流体的分辨能力不同,选取光电峰和第一、第二逃逸峰对应的能量窗时,BGO晶体探测器比NaI晶体探测器测量的C/O差值大,但受尺寸的影响不大;采用光电峰对应的能量窗时,BGO晶体探测器测量的C/O差值比NaI的大得多,且随尺寸的增加差值增大;能量道的漂移对C/O值影响较大,而能量分辨率对差值影响相对较小。

A resistor is connected between the output end of the live wire and the output end of the earth wire, another resistor is connected between the output end of the null line and the input end of the earth wire, a neon lamp in a photoelectric coupling switch is connected at the two ends of the earth wire switch in parallel after being connected with the resistors in series, one end of a light sensitive resistor in the photoelectric coupling switch GR2 is connected with the anode DC+ of an integrated circuit IC power in the creepage protector, the other end of the light sensitive resistor is connected with the anode of a diode D3, the cathode of the diode D3 is connected with the triggering pole of the silicon-controlled rectifier SCR in the creepage protector, the neon lamp and the light sensitive resistor are positioned into a dark box, and a small hole which avoids the light sensitive resistor is formed on the dark box.

一种防止地线触点未导通的全能安全插头,包括各带开关的地、零、相三线接线和由零序互感器、脱扣器、放大器、整流器、试验回路和可控硅组成的漏电保护器,所述的火线输出端、地线输出端间连接电阻,所述的零线输出端、地线输入端间串接电阻,光电耦合开关内的氖灯与电阻串联后并联在地线开关两端,光电耦合开关GR2内光敏电阻的一端与漏电保护器内的集成电路IC电源正极DC+连接、光敏电阻的另一端与二极管D3的正极连接,二极管D3的负极与漏电保护器内的可控硅SCR触发极连接,氖灯和光敏电阻置于暗箱中,暗箱上开一避开光敏电阻的小孔。

The most parts of thesis as follows:1. Five symmetrical intra-molecular charge transfer oligomeric phenylene vinylene light emitting materials were designed and synthesized using oligomeric phenylene vinylene as a framework.2. The structures of target molecule were characterized by ~1HNMR,~(13)CNMR, IR, MS and element analysis.3. In order to study the influence of the location and numbers of electron-donor and electron-acceptor on their photoelectric performance by changing length of OPV chain, the UV spectra and fluorescence spectra of target compounds has been compared. We have researched into main factors effecting on material emitting red-shift; organic electroluminescence device was prepared using the compound P4. The capability of eletroluminescence was researched.4. The photoelectric properties of P4 was explained by quantum chemical calculation (the Gaussian 98 quantum chemistry program). It is greatly contributed know the whole process of charge transfer to guide the design of red emitters.

本文研究的内容主要包括以下部分:(1)设计并合成5个对称的以齐聚苯乙烯类为骨架的分子内电荷转移型齐聚苯乙烯类发光材料;(2)通过IR,MS,~1H-NMR,~(13)C-NMR和元素分析对所合成的目标化合物进行表征;(3)通过对目标化合物的紫外光谱和荧光光谱比较分析,研究改变OPV的长度,电子给体和电子受体的位置及数量对其光电性能的影响,探讨材料发射红移的主要因素;选取性能良好的目标化合物P4制备成OELD器件,对其电致发光性能进行研究;(4)运用Gaussian98量子化学程序包,采用量子化学方法对目标化合物P4的光电性能从理论加以解释,进一步认识荷移跃迁的整个过程,为红光材料的设计加以指导。

AIXTRON AG , AIXTRON AG 是一家生产沉积设备、半导体产业, The Company's technology solutions are used by a diverse range of customers worldwide to build advanced components for electronic and opto-electronic applications based on compound, silicon, or organic semiconductor materials and more recently carbon nanostructures.Such components are used in display technology, signal and lighting technology, fiber communication networks, wireless and cell telephony applications, optical and electronic data storage, computer technology as well as a wide range of other high-tech applications.

这些组成部分被使用在显示技术、信号和照明技术、光纤通信网络、无线和手机电话应用、光学和电子数据的存储、计算机技术以及其它广泛的高科技应用,成立於1983年,该公司总部设在德国,在台湾也有分公司;用心在 MOCVD 的开发与研究中20多年, MOCVD 成长薄膜时,主要将载流气体通过有机金属反应源的容器,将反应源的饱和蒸气带至反应槽中与其它反应气体混合,然后在被加热的基板上面发生化学反应促成薄膜的成长,而这些光电半导体薄膜则是被应用在光电元件及微电子元件中;要进入工厂前还需要穿上头套、鞋套和实验衣,可见在对於防止灰尘或头发飘散在他们眼中是很重视的一环。

It is found from experiment that when pumped by skew light along the fibre's axis, both transverse electric wave and transverse magnetic wave exist in WGM lasing emission simultaneitly. With the increase of refractive index of cladding dye solution, the wavelength spacing between TE and TM waves of which the radial mode number and angular mode number are the same value decreases, and the central lasing wavelength of WGM bluely shifts to short wavelength direction.

实验发现,在抽运光以偏斜光线方式沿光纤的近轴向抽运时,回音壁模式的光纤激光辐射中,既存在光电矢量和光纤径向垂直的横电波,也存在光电矢量和光纤径向平行的横磁波;随增益包层染料溶液折射率的增加,径向模式数和角模式数相同的TE波和TM波之间的波长差单调减小,回音壁模式激光辐射的中心波长向短波方向移动,辐射的波长范围变窄。

We proposed that π-interrupted spiro framework is an effective tool to tune the intermolecular interaction of chromophore moieties, which has been confirmed by single crystal X-ray diffraction analyses.

另外,我们设想螺桥是调制光电功能基团超分子作用的有效工具,设计了一个含螺桥的氧化噻吩寡聚物,这是一个有效的讨论螺桥是如何通过自身的参与来有效地调制光电功能基团的相互作用的模型。

Analysis and comparison of the flat window vs the dome advantages and disadvantages used in the periscopes and optronic mast s is made.

对潜望镜和光电桅杆使用平面窗和球面窗的利弊进行分析和比较,并对国外公开的各种典型的潜望镜和光电桅杆使用的窗口和俯仰角之间的关系进行列表分析和比较,对今后的观察窗口的选择趋势进行预测。

Photoelectric materials with organic-inorganic hybrid perovskite structure are novel molecular-scale composites through organic and inorganic compounds self-assembling.The layered perovskite framework comprised of metal halide octahedra provides a distinct set of advantages including good electrical mobility, mechanical and thermal stability,while organic component offers a number of useful properties including structural diversity and ease of processing et al.

有机/无机杂化钙钛矿结构光电功能材料是通过有机分子与无机分子的自组装形成的一类新型的分子复合晶体材料,无机金属卤化物构成的钙钛矿结构提供了有序的载流子传输网络并提高杂化材料的机械稳定性和热稳定性,而有机组份的功能性和易加工性使杂化材料具有光电功能和大面积成膜性能。

Based on a variety of books and materials, foreign or domestic, this thesis deals with the recent development and application, the past, present and future for solar energy and solar cells, analyzes the great senses of solar energy and solar cells for the development of economic, and analyzes their structure photovoltaic effect and conservation efficiency. The writer also elaborates the working principles and application characteristic of solar cell, various factors that may lead to bad conservation efficiency of solar cell. Based on the the working principles and application characteristic of solar cell, emphasizes on some ways of improving photovoltaic conservation efficiency for solar cell, for example: the appropriate thickness of solar cell, the low resistance, the phalanx of solar cell, the film of reduce the reflect of solar rays, and so on, and designs simply the feasible way, then give out the CAD frame chart .

本文是在收集了大量的国内外图书资料的基础上,对太阳能和太阳能电池的广泛应用领域、过去、现在和未来进行了探讨,分析了太阳能和太阳能电池的对我国经济发展的重大意义,阐述了太阳能电池的工作原理和应用特性,论述了影响太阳能电池光电转换效率的因素,重点介绍了几种提高太阳能电池光电转换效率的方法,例如:合适的太阳能电池厚度、降低太阳能电池的串联电阻、采用太阳能电池方阵、采用光伏发电自动跟踪系统、采用减反射膜和折面型抛物柱太阳能聚光器,并对以上可行的方法进行了简单综合设计,实现了 CAD 框图。

The experiments show that the Au/n-ZnO/p-Si SHBT UV enhanced phototransistor enhances the sensitivity of the ultraviolet response noticeably. The UV response sensitivity at 370nm of the phototransistor is 5~10 times that of a ZnO/Si heterojunction UV enhanced photodiode.

实验显示Au/n-ZnO/p-Si结构的紫外增强型的光电三极管对紫外光的响应明显增强,对371nm波长的紫外光的灵敏度是普通n-ZnO/p-Si异质结紫外光电二极管道的5~10倍。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

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双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。