查询词典 metal-organic

The metal-bearing rock can also show large dielectric enhancement when the metal particles are coated by low conductive membrane.

对于含金属颗粒的岩石模型，如果金属颗粒表面存在低电导率膜层，该介质就会在低频端出现很大的介电增强。

A metal or metal-clad ram projecting from the bow of an ancient warship.

古代战舰船头上突出的金属或包有金属的铁嘴撞角。

A metal or metal-clad ram projecting from the bow of an ancient warship.

角撑板一种三角形的金属托架，用来加固地板托梁

As the most important equipment, Metal-clad switchgear guarantee the safe operation of electric power system. Sometimes, the temperature of part of Metal-clad switchgear maybe over the limit of safe operation, and then arouse accident, bring losing.

开关柜是保证电力系统安全运行的重要设备之一，但是经常因为开关柜局部过热，而引起事故，造成损失。

The cutoff conditions of metal-clad waveguides or loss dielectric waveguides are discussed. The effects of metal-cladding on the cutoff condition of graded index waveguides are analyzed at first. The principle of cutoff intensity modulator has discussed in detail.

本文首次提出一种适合于分析含金属覆盖层的均匀和渐变介质波导在截止点附近的光学特性的近似的解析方法，并对金属覆盖层的均匀阶跃介质波导在截止点附近的模传播特性作了全面的分析，所得到的结果同精确的数值解结果相吻合。

An approximate analytical approach, which can be used to analyze the optical characteristics of metal-clad step or graded index waveguides in near cutoff, is presented at first. The mode propagation characteristics of metal-clad step index waveguides in near cutoff are comprehensively analyzed.

GaAs/GaAlAs异质结光波导材料是目前集成光学中的重要材料，本论文在系统介绍外延生长技术的基础上，利用普通的液相外延炉，成功地生长出可用于光波导器件制作的、表面较光滑并具有较大面积（14×16mm〓）的GaAs/GaAlAs异质结光波导材料，C-V法测得波导层载流子浓度为2—4×10〓cm〓，Al-Schottky接触的反向电压大于20伏，平板波导和脊波导通光实验良好。

Guangzhou Chun Fung Metal Machinery Factory is to provide you with the most excellent machine / mechanical attachment peripheral products, mainly produce: wire protection hose (PA, PP, PE, PVC, metal-clad plastic pipe) and pipe joints, cable clamps waterproof connector , cooling, engineering (plastic / aluminum) towline, plate-type / organ-style shield, rubber protective kit, work lights, etc. to operate.

广州骏丰金属机械厂是为您提供最优秀的机床/机械外围附件产品，主要生产：电线保护软管（PA、PP、PE、PVC、金属包塑管）及管接头、电缆防水夹紧接头、冷却管、工程拖链、钢板式/风琴式防护罩、橡胶防护套、工作灯、操作件等。

The metal-coated substrate (240, 340) provides an extensive, metal rich environment for SERS, SERRS, hyper-Raman and/or CARS Raman spectroscopy.

金属涂覆衬底(240、340)为SERS、SERRS、超拉曼和/或CARS拉曼光谱术提供广延的、富含金属的环境。

But its frequency bandwidth is in the middle (5) Metal nanotubes were prepared by heating metal-coated carbon nanofibers inthe air to remove carbon nanofiber templates.

5将镀层纳米碳纤维在空气中热处理，可以去除纳米碳纤维，获得纳米金属管。

Therefore we have optimized the experimental system and the working status of instrument.2 The near-field SERS spectra and images for the [Ru_3]~(2+) molecule adsorbed on silver nanoparticle substrate were achieved. Based on the results, some specific phenomena for near-field SERS were found. By observing the near-field SERS spectra collected at different location at the nano-scale, the different spectral characteristics which are caused by the local environmental differences of molecules have been found. On the substrate, the highly SERS active sites are much more than SEF hot spots, and the distribution of them is not entirely consistent. This phenomenon could be explained by the influences of several factors including the different enhancement efficiencies existed for SERS and SEF, the quenching effects for fluorescence by the metal substrate and metal-coated tip, and the presence of different numbers of probing molecules in SERS and SEF.3 It is of interest that the near-field and far-field SER spectra demonstrate several distinctively different spectral features.

由于SNOM与SERS的结合在技术上将面临很多实际困难，例如近场激发信号极其微弱、纳米级微弱光谱的收集对实验精度和环境稳定性的苛刻要求等，因此我们对实验体系和仪器工作状态分别进行了优化。2获得了银纳米粒子SERS基底上[Ru_3]~(2+)分子在纳米尺度下的近场SERS光谱和图像，从中可以发现一些近场SERS效应特有的现象：通过观察不同位置得到的近场SERS光谱可以发现，在纳米尺度下，由于分子所处局域环境不同而体现出不同的光谱特征；此基底具有极高SERS活性的位点远多于表面增强荧光热点，且两者的分布并不完全一致。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐