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Article
Two Anthracene-Thiophene Containing π-Conjugated Chromophores: Synthesis, Structure, and Optical Properties
Herein we report two anthracene-thiophene based π-conjugated homologues, in which the synthesis and structural characterizations were accomplished by NMR, HR-MS, etc. Subsequently, their electron absorptions, ...
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Article
Cure-Reaction Kinetics of Crosslinked Polythiourethane Network for Optical Applications Using FTIR Spectroscopy
An optical polythiourethane thermosetting system based on a 4-mercaptomethyl-3,6-dithia-1,8-octanedithiol and a m-xylylenediisocyanate has been studied. The solid-state isothermal cure reaction was followed by FT...
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Article
High performance back-illuminated MIS structure AlGaN solar-blind ultraviolet photodiodes
A back-illuminated metal–insulator–semiconductor (MIS) structure AlGaN-based solar-blind ultraviolet photodiode is demonstrated for the purpose of overcoming the technical bottleneck caused by high Al content ...
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Article
An Exploration of the Protective Effects of Investigators’ Ethical Awareness upon Subjects of Drug Clinical Trials in China
Up till now, China has not enacted any legal mechanisms governing certification or supervision for ethics committees. This article analyses deficiencies in the protection of subjects in clinical drug trials un...
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Article
Open AccessMultimode fiber tip Fabry-Perot cavity for highly sensitive pressure measurement
We demonstrate an optical Fabry-Perot interferometer fiber tip sensor based on an etched end of multimode fiber filled with ultraviolet adhesive. The fiber device is miniature (with diameter of less than 60 μm...
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Article
Open AccessThe Physics of the B Factories
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Article
Inhibition of β-catenin signaling by nongenomic action of orphan nuclear receptor Nur77
Dysregulation of β-catenin turnover due to mutations of its regulatory proteins including adenomatous polyposis coli (APC) and p53 is implicated in the pathogenesis of cancer. Thus, intensive effort is being m...
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Article
Generalized event shape and energy flow studies in e+e− annihilation at \( \sqrt {s} = 91.2{ - }208.0 \) GeV
We present results from a study of hadronic event structure in high energy e+e− interactions using the L3 detector at LEP. A new class of event shape distributions are measured at and above the Z boson pole for l...
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Article
Nuclear stop** and collective flow in CSR/LanZhou energy region
Nuclear stop** and collective flow for two pairs of symmetric colliding nuclei: 238U+238U and 129Xe+129Xe, which are proposed to be accelerated on Cooling Storage Ring (CSR), External Target Facility (ETF), Lan...
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Article
Open AccessTest of the τ-model of Bose–Einstein correlations and reconstruction of the source function in hadronic Z-boson decay at LEP
Bose–Einstein correlations of pairs of identical charged pions produced in hadronic Z decays are analyzed in terms of various parametrizations. A good description is achieved using a Lévy stable distribution i...
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Article
Large-scale synthesis of hierarchical alpha-FeOOH flowers by ultrasonic-assisted hydrothermal route
In this paper, we report a facile, an environmental friendly ultrasonic-assisted hydrothermal route for preparation of goethite flower structures using Fe nanopowders at low temperature (85°C). The flower stru...
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Article
Open AccessSearch for ψ(3770)→ charmless final states involving η or π 0 mesons
We search for ψ(3770)→π + π − η, K + K − ...
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Article
Open AccessExperimental studies of e + e −→ some charmless processes containing K S 0 at \(\sqrt{s}=3.773\) and 3.65 GeV
We measure the observed cross sections for the charmless processes e + e −→K S
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Article
Low concentration of bisulfite enhances photosynthesis in tea tree by promoting carboxylation efficiency in leaves
Tea tree (Melaleuca alternifolia) canopy was sprayed with low concentration of NaHSO3 or mixture of NaHSO3+ KH2PO4. The treatments significantly enhanced net photosynthetic rate (P N), car...
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Article
Open AccessStudy of J/ψ decaying into ωpp̄
The decay J/ψ→ωpp̄ is studied using a 5.8×107 J/ψ event sample accumulated with the BES II detector at the Bei**g Electron–Positron Collider. The decay branching fraction is measured to be B(J/ψ→ωpp̄)=(9.8±0.3±1...
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Article
Experimental studies of the π+π-π+π-π0, K+K-π+π-π0 and pp̄π+π-π0 final states produced in e+e- annihilation at \(\sqrt{s}= 3.773\) and 3.650 GeV
We report measurements of the observed cross sections for e+e-→ωπ+π-, ωK+K-, ωpp̄, K+K-ρ0π0, K+K-ρ+π-+c.c., K*0K-π+π0+c.c., K*+K-π+π-+c.c., φπ+π-π0 and ΛΛ̄π0 at
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Article
Study of inclusive strange-baryon production and search for pentaquarks in two-photon collisions at LEP
Measurements of inclusive production of the Λ, Ξ- and Ξ*(1530) baryons in two-photon collisions with the L3 detector at LEP are presented. The inclusive differential cross sections for Λ and Ξ- are measured as a ...
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Article
Search for neutral MSSM Higgs bosons at LEP
The four LEP collaborations, ALEPH, DELPHI, L3 and OPAL, have searched for the neutral Higgs bosons which are predicted by the Minimal Supersymmetric standard model (MSSM). The data of the four collaborations ...
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Article
Compulsive exercise acutely upregulates rat hippocampal brain-derived neurotrophic factor
This study was to examine the effects of treadmill exercise on the expression of brain-derived neurotrophic factor (BDNF) in rat hippocampus. After 1-wk treadmill familiarization, animals in exercise groups re...
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Article
Hydrogeochemical Anomalies in the Springs of the Chiayi Area in West-central Taiwan as Possible Precursors to Earthquakes
Water samples from both hot and artesian springs in Kuantzeling in west-central Taiwan have been collected on a regular basis from July 15, 1999 to the end of August 2001 to measure cation and anion concentrat...
