Polarized microscope is employed to study the optical structure of pyrolyzed substances of the modified coal tar pitch and shapes of the modified coal tar pitch are observed through SEM.
采用傅立叶红外光谱 ( FT- IR)和核磁共振氢谱 ( 1H-NMR)对煤沥青改性机理进行分析 ;采用扫描电镜 ( SEM)观察改性后煤沥青的形貌 ;采用光学显微镜观察改性沥青热解产物的光学结构 。
The optical structures and main performances of several typical IR spectroradiometers and a self designed portable IR spectroraniometer are introduced in this paper.
介绍几种国外典型的红外光谱辐射计和自行研制的便携式红外光谱辐射计的光学结构及主要性能,并提出红外光谱辐射计中的一些应重点解决的技术问题。
A new method to fabricate optical microstructures with different profiles such as spherical and aspherical outlines is discussed.
讨论了一种制作球面和非球面轮廓光学微结构的新方法。
The mesophase optical texture size ofthose pitches formed after heat treatment was determined.
结果表明:在同一热处理条件下形成的各种中间相沥青的光学显微结构区域的大小顺序为:S-LDOHF-MCTP>LDOHF-MCTP>S-MCTP>MCTP-PS>MCTP共炭化沥青分子中含有较多的短烷基侧链和环烷结构,炭化时能形成可溶性较好的广域型中间相体;超临界抽提能调整沥青的族组成和分子量分布,使分子更易于均匀聚合和取向,超临界抽提沥青的炭化性能优于抽提前的原始沥青。
The optical texture,pore structure,mini-tumbler indx,reactivity of reaction with CO_2 of coke produced were determined.
作者对4种不同变质程度的烟煤和相同变质程度、不同显微组成的煤样进行了炭化,并测定所得焦炭的光学组织结构与气孔结构参数、微转鼓强度以及对 CO_2气体的反应活性等。
Optical Design of the Raman Spectrometer
拉曼光谱测量系统中的光学结构设计
Research and Realization on Optical System of Single Axis Fiber Optic Gyroscope
单轴光纤陀螺光学结构的研究与实现
Research on optical structures in parallel confocal system for detecting 3-D profile of micro-structure
用于微结构探测的并行共焦光学结构的研究
Optical design of a sine light projector with acousto-optic grating
声光栅正弦结构光投射器的光学系统设计
Structure, Electrical and Optical Properties of ZnO: Al Thin Film;
ZnO:Al薄膜的结构、电学性质和光学性质
Structure Optical and Magnetic Properties of Ni-doped ZnO Powders Prepared by Sol-gel Technique
Ni掺杂ZnO的结构、光学和磁学性质
Influence of chemical structure of α-C∶H films on optics property
α-C∶H膜化学结构对光学性能的影响
Nonlinear Optical Effects in Optical Super-lattices and Design of Frame of Optical Super-lattices;
光学超晶格的非线性光学效应研究及结构设计
Micro and Nano Structure Photonics Device Design and Theoretical Analysis;
微纳结构光子学器件设计及理论分析
Optical Characterization of the ZnTe- and ZnSe- Base Coupled Structures;
ZnTe基和ZnSe基复合结构的光学性质
Stucture and Photorefractive Properties of Fe: Stoichimetric Lithium Niobium Crystals;
化学计量比Fe: LiNbO_3结构与光折变性能
Crystal Growth, Structure and Optical Properties of KYb_xY_(1-x)(WO_4)_2;
KYb_xY_(1-x)(WO_4)_2晶体生长、结构与光学性能
Electronic Structures and Optical Properties of BC_3 under High Pressure;
高压下BC_3的电子结构及光学性质
Study of Electronic Structures and Optical Properties of Doped ZnO;
掺杂ZnO的电子结构和光学性质研究
Infrared Spectroscopic Characterization of Thermal Oxide SiO_2 on SiC;
SiC热氧化SiO_2层结构的光谱学表征
The Affect of Band Structure and Optical Properties in ZnO by Doping;
掺杂对ZnO能带结构和光学性质的影响
Measurement of Fine Structure Branching Ratios for Rb-He Optical Collisions;
Rb-He光学碰撞精细结构分支比的测量
Optical Properties of ZnS:Tb/SiO_2 Core-shell Nanocrystals;
ZnS:Tb/SiO_2核壳结构纳米晶的光学性质