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PandaX: a liquid xenon dark matter experiment at CJPL
PandaX is a large liquid-xenon detector experiment usable for direct dark-matter detection and 136Xe double-beta decay search. The central vessel was designed to accommodate a staged target volumeExpand
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The effects of electrostatic interaction between biological molecules and nano-metal colloid on near-infrared surface-enhanced Raman scattering
This paper reports effects of electrostatic interaction between amino acid and gold colloid on the intensity of surface-enhanced Raman scattering (SERS). Near-infrared (NIR) excited SERS has beenExpand
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Photophysical properties and potential application in photocurrent generation of porphyrin-(60)fullerene polymer linked by metal axial coordination
Abstract Porphyrin-[60]fullerene polymers linked by metal axial coordination of fullerenoacetic diacids e-isomer with dihydroxo Sn(IV) porphyrin have been prepared and characterized. The polymersExpand
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Synthesis, characterization, and photophysical properties of covalent-linked ferrocene-porphyrin-single-walled carbon nanotube triad hybrid
Abstract The ferrocene–porphyrin–single-walled carbon nanotube (Fc–H 2 P–SWCNT) triad hybrid was prepared by amidation reaction between carboxylated SWCNT and aminoporphyrin bearing an appendedExpand
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Structural Phase Transition and Compressibility of CaF 2 Nanocrystals under High Pressure
The structural phase transition and compressibility of CaF2 nanocrystals with size of 23 nm under high pressure were investigated by synchrotron X-ray diffraction measurement. A pressure-inducedExpand
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Structural Phase Transition and Compressibility of CaF2 Nanocrystals under High Pressure
The structural phase transition and compressibility of CaF2 nanocrystals with size of 23 nm under high pressure were investigated by synchrotron X-ray diffraction measurement. A pressure-inducedExpand
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Synthesis and photophysical properties of polyamides containing in-chain porphyrin and [60]fullerene
Conjugated polyamides containing porphyrin and [60]fullerene (C60) in the main chain were prepared by a direct polycondensation of the 3′H,3″H-dicyclopropa[1, 9:16, 17] [5,Expand
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Synthesis, Photophysical and Electrochemical Properties of Amide‐Linked Phthalocyanine‐Fullerene Dyad
A new amide-linked phthalocyanine-fullerene dyad ZnPc-C60 was synthesized and characterized. The photophysical and electrochemical properties of the ZnPc-C60 dyad were investigated. The fluorescenceExpand
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Effect of gas atoms on X-ray optical properties of multilayers
Multilayers always dissolve some gas atoms during sputtering. In this paper, we develop a new method to study the effect of gas atoms on X-ray reflectance of the multilayer. Our theoretical analysisExpand
Walkaway-VSP survey using distributed optical fiber in China oilfield
  • Junjun Wu, Gang Yu, +6 authors F. Li
  • Geology, Engineering
  • Applied Optics and Photonics China
  • 24 October 2017
Distributed acoustic sensing (DAS) is a new type of replacement technology for geophysical geophone. DAS system is similar to high-density surface seismic geophone array. In the stage of acquisition,Expand