3篇
您的检索式：作者名="Chunyu You"
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| 1 | Ti X-Ray Laser Shadowgraphy Experiment显示文摘An x-ray laser shadowgraphy experiment was conducted on Xingguang-Ⅱ laser facility in 1996.A multi-layer spherical mirror was used as an imaging element and a high sensitivity CCD camera as a detector.We measured the near-field image of the Ti x-ray laser beam.With a Ti x-ray laser beam as a backlight source,we obtained a clear CU mesh image,demonstrating the potential as advanced diagnostic measurements to study high density plasmas in inertial confinement fusion research. | HUANG Wen-zhong LIU Su-ping PENG Han-sheng GU Yu-qiu ZHANG Qi-ren CAI Yu-qin YOU Yong-lu HONG Wei LI Yu-tong CHUNYU Shu-tai YANG Shang-jin ZHANG Chuan-fei ZHAO Yong-kuan WEN Shu-huai ZHANG Jie ZHANG Guo-ping ZHANG Tan-xin | 1996 | Chinese Physics Letters1996，13，12： | 1 |
| 2 | Field assessment of straw pellet combustion in improved heating stoves in rural Northeast China显示文摘Straw pellets are widely promoted and expected to be a cleaner alternative fuel to unprocessed crop residues and rawcoal in rural China.However,the effectiveness of these dissemination programs is not well evaluated.In this field study,emission characteristics of burning strawpellets,rawcoal,and unprocessed corn cobs in heating stoveswere investigated in a pilot village in Northeast China.Emission measurements covering the whole combustion cycle(ignition,flaming,and smoldering phases)shows the promotion of improved heating stoves and straw pellets could reduce pollutant emissions(e.g.,SO_(2) and CO),but increase NO_(X) and PM_(2.5) emissions compared to the initial stove-fuel use pattern in the studied area.There is a significant variance in emission characteristics between different combustion phases.The normalized emission concentrations of the different stove-fuel combinations were higher than the limits in the Chinese national standard for heating stoves,indicating that the standard is not met for real-world emissions.Coal consumption was lower than official data.Household surveys were conducted to identify the barriers to fuel and stove access associated with existing promotion strategies,management,and policies.The pilot program was of the typical“subsidy-and-policy-dependence”pattern and was unlikely to be implemented on a large scale.Technological innovation,operational optimization,and proper policies considering the local socioeconomic factors are needed to sustain the promotion of biomass straw pellets and stoves. | Yafei Liu Zhimin Li Emily Floess You Zhang Nicholas Lam Sylvester K.Mawusi Prabin Shrestha Xinghua Li Chunyu Xue Guangqing Liu | 2023 | Journal of Environmental Sciences2023，，5： | 0 |
| 3 | Biodegradable germanium electronics for integrated biosensing of physiological signals显示文摘Transient electronics that can disappear or degrade via physical disintegration or chemical reaction over a pre-defined operational period provide essential for their applications in implantable bioelectronics due to the complete elimination of the second surgical extraction.However,the dissolution of commonly utilized bioresorbable materials often accompanies hydrogen production,which may cause potential or irreparable harm to the human body.This paper introduces germanium nanomembrane-based bioresorbable electronic sensors,where the chemical dissolution of all utilized materials in biofluidic theoretically have no gaseous products.In particular,the superior electronic transport of germanium enables the demonstrated bioresorbable electronic sensors to successfully distinguish the crosstalk of different physiological signals,such as temperature and strain,suggesting the significant prospect for the construction of dual or multi-parameter biosensors.Systematical studies reveal the gauge factor and temperature coefficient of resistance comparable to otherwise similar devices with gaseous products during their dissolution. | Haonan Zhao Zhongying Xue Xiaozhong Wu Zhihuan Wei Qiuyu Guo Miao Xu Chunyan Qu Chunyu You Yongfeng Mei Miao Zhang Zengfeng Di Qinglei Guo | 2022 | npj Flexible Electronics2022，6，1： | 0 |
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