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Article
Open AccessObservation of X(2370) and search for X(2120) in \(J/\psi \rightarrow \gamma K{\bar{K}} \eta '\)
Using a sample of \(1.31\times 10^{9} ~J/\psi \)1.31×109J/ψ events collected with the BESIII detector, we perform a study of \(J/\psi \rightarrow \gamma K{\bar{K}}\eta '\)J/ψ→γKK¯η′. X(2370) is observed in the $$...
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Article
Synthesis of β-Cyclodextrin Immobilized Starch and Its Application for the Removal of Dyestuff from Waste-Water
A natural polymeric adsorbent, β-cyclodextrin immobilized starch (CS-βCD) was prepared by introducing host functional molecule β-cyclodextrin (β-CD) onto starch in presence of citric acid. The immobilization c...
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Article
Open AccessImproved measurement of the absolute branching fraction of \(D^{+}\rightarrow \bar{K}^0 \mu ^{+}\nu _{\mu }\)
By analyzing 2.93 fb \(^{-1}\) ...
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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
Macrolide antibiotics like azithromycin increase lipopolysaccharide-induced IL-8 production by human gingival fibroblasts
Macrolide antibiotics are reported to modulate the production of cytokines in various type of cells. We examined the effect of macrolide antibiotics on inflammatory cytokines (IL-6 and IL-8) and chemical media...
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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
Dating the rise of atmospheric oxygen
Several lines of geological and geochemical evidence indicate that the level of atmospheric oxygen was extremely low before 2.45 billion years (Gyr) ago, and that it had reached considerable levels by 2.22 Gyr...
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Article
Study on oxidation behavior of (Nd,Y)- and (Nd,Yb)-α-Sialon
The oxidation behavior of multi-cation α-Sialons containing Nd and Y or Yb has been investigated for the compositions (Nd0.18Y0.18)Si10.38Al1.62O0.54N15.46 and (Nd0.18Yb0.18)Si10.38Al1.62O0.54N15.46 respectively ...
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Article
Effect of amount and atomic ratio of dual modifiers Ca and Mg on phase formation and mechanical properties of Ca,Mg-α-Sialons
Multi-cation α-Sialons ceramics containing calcium and magnesium for the compositions ((Ca,Mg)xSi12 − 3xAl3xOxN16 − x), where x equals 0.6 and 1.0 with the different atomic ratios of Ca to Mg, were fabricated by ...
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Article
Study on the structures of N-containing melilite Y2Si3O3N4 and Nd2Si2.5Al0.5O3.5N3.5
Rietveld refinements have been used to determine the structure of Y2Si3O3N4 from X-ray data and Nd2Si2.5Al0.5O3.5N3.5 from neutron powder diffraction data. The refinements show that in the melilite phase Y2Si3...
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Article
Glass-forming region in the Sm-Si-AI-O-N system
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Article
Phase relationships in the Sr-Si-O-N system
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Article
Formation of Na τ'- and o′-sialon
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Utilization of the Non-Obese Diabetic (NOD) Mouse as an Animal Model for the Study of Secondary Sjögren’s Syndrome
Sjögren’s syndrome (S.S.) in the human patient population is an autoimmune inflammatory disease presenting clinical symptoms of xerophthalmia and xerostomia1. This condition predominantly affects women. Most diag...
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Article
Formation and Densification of R-α’-Sialons (R = Nd, Sm, Gd, Dy, Er and Yb)
The densification behavior and formation characteristics of R-α’-Sialons (R = Nd, Sm, Gd, Dy, Er and Yb) hot-pressed in the temperature range of 1500°C-1750°C have been studied. The temperatures required for f...
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Article
Characterization of Ion Irradiated Zirconia-Yttria Films
Zirconia-yttria films containing 8.0wt% Y2O3 were prepared on a Si substrate with r.f. magnetron sputtering deposition followed by 170 KeV Ar+ ion irradiation at room temperature. The characterization of these zi...
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Chapter
Cloning and Expression in E. coli of the Whole nif Genes of Klebsiella oxytoca, a Nitrogen Fixer in the Rhizosphere of Rice
K. oxytoca NG13 is a nitrogen fixer isolated from rhizosphere of rice in Japan, we found that NG13 has a nif gene cluster similar to that of K. pneumoniae M5al, by Southern hybridization. We cloned nifQ-K(16.2 Kb...
