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Investigations on color variations of
Guanglan LIAO, Haibo ZUO, Xuan JIANG, Xuefeng YANG, Tielin SHI
《机械工程前沿(英文)》 2012年 第7卷 第4期 页码 394-400 doi: 10.1007/s11465-012-0347-y
Experiments and simulations are carried out to investigate the optical properties of butterfly wing scales. The upper surface of a male butterfly wing presents a single-layer of scales, the microstructures of which are responsible for the brilliant blue color. The color varies from cyan blue to yellow green and soon afterwards returns back to cyan blue when some ethanol is dropped on the upper surface. At the start of the ethanol volatilization process, the reflection spectrum remains stable. As the ethanol further volatilizes, the peak reflectance decreases slightly, then increases dramatically. Meanwhile, the peak wavelength keeps approximately constant, then decreases, and keeps almost stable at the end of the process. Therefore, the optical properties depend strongly on the varying ambient conditions, including the refractive index and the thickness of the packing medium. Moreover, the possible causes for the scales in dark green region after several dropping ethanol experiments are clarified. This research benefits our understanding of the color variation mechanisms of the wing scales, and provides inspiration for further studies and applications.
关键词:
Prediction of the theoretical and semi-empirical model of ambient temperature
Foued CHABANE,Noureddine MOUMMI,Abdelhafid BRIMA,Abdelhafid MOUMMI
《能源前沿(英文)》 2016年 第10卷 第3期 页码 268-276 doi: 10.1007/s11708-016-0413-y
关键词: ambient temperature environment correlation theoretical model semi-empirical
《环境科学与工程前沿(英文)》 2022年 第16卷 第4期 doi: 10.1007/s11783-021-1475-6
• The concentrations of 13 heavy metals in Taihu Lake were analyzed.
关键词: Heavy metals Human health ambient water quality criteria Taihu Lake Health risk assessment Contribution rate
Zhiyong AI, Wenze ZENG, Yichong CHENG, Chao WU
《结构与土木工程前沿(英文)》 2011年 第5卷 第2期 页码 171-179 doi: 10.1007/s11709-011-0103-0
关键词: uncoupled state space solution layered poroelastic medium three-dimensional consolidation anisotropic permeability compressible pore fluid
Chemisorption solid materials for hydrogen storage near ambient temperature: a review
Yiheng ZHANG, Shaofei WU, Liwei WANG, Xuefeng ZHANG
《能源前沿(英文)》 2023年 第17卷 第1期 页码 72-101 doi: 10.1007/s11708-022-0835-7
关键词: hydrogen storage capacity chemisorption near-ambient-temperature modification methods alloy hydrides
Hygroscopicity of ambient submicron particles in urban Hangzhou, China
Jiachen ZHANG, Lin WANG, Jianmin CHEN, Shengmao FENG, Jiandong SHEN, Li JIAO
《环境科学与工程前沿(英文)》 2011年 第5卷 第3期 页码 342-347 doi: 10.1007/s11783-011-0358-7
关键词: hygroscopicity hygroscopic tandem differential mobility analyzer (H-TDMA) submicron ambient particles Hangzhou
Effect of ambient polycyclic aromatic hydrocarbons and nicotine on the structure of Aβ protein
《环境科学与工程前沿(英文)》 2023年 第17卷 第2期 doi: 10.1007/s11783-023-1615-2
● B[a]P, nicotine and phenanthrene molecules altered the secondary structure of Aβ42.
关键词: Polycyclic aromatic hydrocarbons Nicotine toxicology Aβ42 peptide Alzheimer’s disease Molecular dynamics simulations Environmental pollution
Preparation of solar selective absorbing CuO coating for medium temperature application
HUANG Qunwu, WANG Yiping, LI Jinhua
《化学科学与工程前沿(英文)》 2007年 第1卷 第3期 页码 256-260 doi: 10.1007/s11705-007-0046-0
关键词: photoelectron spectroscopy temperature pretreatment absorptivity microscopy
Ayaho MIYAMOTO, Risto KIVILUOMA, Akito YABE
《结构与土木工程前沿(英文)》 2019年 第13卷 第3期 页码 569-604 doi: 10.1007/s11709-018-0498-y
关键词: condition assessment short & medium span bridge structural health monitoring(SHM) long-term data collection system maintenance bridge performance information technology loading vehicle(public bus) in-situ loading
Yujing Liu, Xiao Han, Balati Kuerbanjiang, Vlado K. Lazarov, Lidija Šiller
《化学科学与工程前沿(英文)》 2021年 第15卷 第4期 页码 954-959 doi: 10.1007/s11705-020-2028-4
关键词: silica aerogel methyltrimethoxysilane solvent exchange sodium bicarbonate trimethylchlorosilane ambient pressure drying
珊瑚岛礁环境噪声成像 Article
夏少红, 张昌榕, 曹敬贺
《工程(英文)》 2023年 第25卷 第6期 页码 182-193 doi: 10.1016/j.eng.2021.09.022
As valuable land in the ocean, coral islands are not only important bases for making use of marine resources and protecting marine rights and interests, but also important for breakthrough research in many fields of earth science. Hence, the economical and efficient determination of the underground structure of coral islands has become significant in coral island engineering geology, but remains challenging for traditional marine geophysical prospecting and drilling methods. While ambient noise tomography with dense arrays has been widely used in continental regions, its applicability to coral islands remains undetermined. In this study, based on the data recorded by a dense array on an isolated coral island in the South China Sea, we analyzed the ambient noise characteristics and obtained a 3D subsurface structure of the coral island using ambient noise tomography. We made the following findings: ① The ambient noise frequencies can be roughly categorized into three levels: < 1, 1–5, and > 5 Hz. The spectral characteristics of the noise below 5 Hz were consistent at different stations, but there were significant differences in the characteristics of the noise above 5 Hz. ② For ambient noise frequencies below 5 Hz, cross-correlation functions with high quality could be obtained with only 24 h of waveform data. However, it was difficult to extract meaningful cross-correlation functions for ambient noise frequencies above 5 Hz. ③ The S-wave velocity in the coral island was higher toward the sea and lower toward the lagoon, which was consistent with the high degree of cementation of the outer reef flat stratum on the seaward side. ④ There were two low-velocity horizons at 25–75 and 200–300 m, which were in good agreement with the high-porosity horizons that were revealed by drilling core samples, reflecting the weathering history of the reef. Our research demonstrates that ambient noise tomography is a potentially economical, efficient, and environmentally friendly method for the geological prospecting of coral reefs.
关键词: Coral island Ambient noise tomography Engineering geology South China Sea
《环境科学与工程前沿(英文)》 2023年 第17卷 第10期 doi: 10.1007/s11783-023-1718-9
● Energy harvesters harness multiple energies for self-powered water purification.
关键词: Piezocatalysis Solar energy Waste heat Decentralized water treatment Point-of-use Nanogenerator
张基尧
《中国工程科学》 2011年 第13卷 第8期 页码 22-25
关键词: 大中型水利工程;项目管理;实践体会
Experimental study of modal parameter identification in a simulated ambient-excited structure
JI Xiaodong, QIAN Jiaru, XU Longhe
《结构与土木工程前沿(英文)》 2007年 第1卷 第3期 页码 281-285 doi: 10.1007/s11709-007-0036-9
关键词: eigensystem realization eigen-sensitivity analysis realization algorithm vibration effective
标题 作者 时间 类型 操作
Investigations on color variations of
Guanglan LIAO, Haibo ZUO, Xuan JIANG, Xuefeng YANG, Tielin SHI
期刊论文
Prediction of the theoretical and semi-empirical model of ambient temperature
Foued CHABANE,Noureddine MOUMMI,Abdelhafid BRIMA,Abdelhafid MOUMMI
期刊论文
Human health ambient water quality criteria for 13 heavy metals and health risk assessment in Taihu Lake
期刊论文
Uncoupled state space solution to layered poroelastic medium with anisotropic permeability and compressible
Zhiyong AI, Wenze ZENG, Yichong CHENG, Chao WU
期刊论文
Chemisorption solid materials for hydrogen storage near ambient temperature: a review
Yiheng ZHANG, Shaofei WU, Liwei WANG, Xuefeng ZHANG
期刊论文
Hygroscopicity of ambient submicron particles in urban Hangzhou, China
Jiachen ZHANG, Lin WANG, Jianmin CHEN, Shengmao FENG, Jiandong SHEN, Li JIAO
期刊论文
Preparation of solar selective absorbing CuO coating for medium temperature application
HUANG Qunwu, WANG Yiping, LI Jinhua
期刊论文
Frontier of continuous structural health monitoring system for short & medium span bridges and condition
Ayaho MIYAMOTO, Risto KIVILUOMA, Akito YABE
期刊论文
Effect of sodium bicarbonate solution on methyltrimethoxysilane-derived silica aerogels dried at ambient
Yujing Liu, Xiao Han, Balati Kuerbanjiang, Vlado K. Lazarov, Lidija Šiller
期刊论文
Hybrid energy harvesting systems for self-powered sustainable water purification by harnessing ambient
期刊论文