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Your search keyword '"张莹"' showing total 10 results
Start Over Author "张莹" Topic materials science
10 results on '"张莹"'

1. Double-beam fiber optical trap experiments based on supercontinuum laser

Author

张莹 Zhang Ying, 谢元平 Xie Yuan-ping, 胡孔云 Hu Kong-yun, 陈鑫麟 Chen Xinlin, and 肖光宗 Xiao Guangzong

Subjects
Trap (computing), Distributed feedback laser, Materials science, Optics, business.industry, Fiber laser, Fiber, business, Atomic and Molecular Physics, and Optics, Beam (structure), Supercontinuum
Published
2017
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4. Smoothing the Edge of DMD Scanning Pattern by Free Surface Lens

Author

李金环 Li Jin-huan, 孙彦杰 Sun Yan-jie, 刘华 Liu Hua, 陆子凤 Lu Zi-feng, 罗钧 Luo Jun, and 张莹 Zhang Ying

Subjects
Materials science, Optics, business.industry, Free surface, Lens (geology), Edge (geometry), business, Atomic and Molecular Physics, and Optics, Smoothing
Published
2019
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5. Influence of Suspended Particles Based on Mie Theory on Underwater Laser Transmission

Author

张莹珞 Zhang Yingluo, 黄爱萍 Huang Aiping, and 王英民 Wang Yingmin

Subjects
Materials science, business.industry, Mie scattering, Suspended particles, Laser, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials, law.invention, Optics, Transmission (telecommunications), law, Electrical and Electronic Engineering, Underwater, business
Published
2018
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6. Characteristics of a symmetrical Cockcroft-Walton power supply of 50 Hz 1.2 MV∕50 mA

Author

Yong-Hao（刘永好） Liu, Yin（张莹） Zhang, Yu-Tian（张宇田） Zhang, Jin-Ling（张金玲） Zhang, and Zi-Feng（何子锋） He

Subjects
Materials science, Switched-mode power supply, business.industry, Ripple, Power factor, Constant power circuit, law.invention, Rectifier, Capacitor, law, Optoelectronics, business, Instrumentation, Short circuit, Voltage
Abstract

A 1.2 MV/50 mA symmetrical Cockcroft-Walton (SCW) power supply of over 83% power efficiency, driven by 50 Hz frequency, was developed for an industrial electron beam irradiator. It is constructed by capacitors of 45 nF and 28.13 nF in the coupling column and capacitors of 18.75 nF in the smoothing column. Working status of the rectifier in high power output condition was analyzed, and the conduction angle of the rectifier was calculated. The power factor (PF) of the SCW circuit has been studied, and the equivalent condensance of the circuit has been derived. Measurements were done for the PF compensation. The surge impact during the short circuit transient process was considered in choosing the protection resistance. Test results showed that design specifications of the power supply were achieved, with the non-load voltage being up to 1.32 MV and the ratio of ripple voltage to output voltage as 9.4%.

Published
2011

9. Stereological and Laser Scanning Confocal Microscopic Analysis of 3-Dimensional Morphology of Melanoma Cells

Author

杨春梅 Yang Chunmei, 汪曣 Wang Yan, 胡纳 Hu Na, 杨立 Yang Li, 张莹 Zhang Ying, 冯远明 Feng Yuanming, and 胡新华 Hu Xinhua

Subjects
Morphology (linguistics), Materials science, Laser scanning, Confocal, Melanoma, medicine, medicine.disease, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials, Biomedical engineering
Published
2012
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10. Confocal-Window Telescope Objective Design in Visible and Long-Wave Infrared

Author

张莹昭 Zhang Yingzhao, 金伟其 Jin Weiqi, 林青 Lin Qing, 李茂忠 Li Maozhong, and 郭宏 Guo Hong

Subjects
Telescope, Materials science, Optics, Long wave infrared, business.industry, law, Confocal, Window (computing), business, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials, law.invention
Published
2012
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