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250 Result(s)
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Article
Buckling of a ferromagnetic thin plate in a transverse static magnetic field
An energy theory is proposed on the buckling of a ferromagnetic thin plate in a transverse static magnetic field. The analytic solution of critical field for plates is obtained by using variational method. It ...
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Article
The localization of type 2 diabetes susceptibility gene loci in northern Chinese Han families
We conducted a genome-wide scan, in which 358 well distributed fluorescent dye-labeled microsatellite marker sets were applied in 32 Chinese Han type 2 diabetes families from Northern China to search for the s...
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Article
cis-acting element located in the bovine foamy virus internal promoter possesses the properties of a transcriptional enhancer
Bovine foamy virus encodes a transcriptional transactivitor, Tas or Borf-1, which governs the level of viral transcripts initiated by both the promoter in the long terminal repeat (LTR) and the internal promot...
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Article
Imaging by flat lens using negative refraction
The positive refractive index of conventional optical lenses means that they need curved surfaces to form an image, whereas a negative index of refraction allows a flat slab of a material to behave as a lens a...
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Article
A novel peptide that inhibits HIV-1 entry
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Article
BICP0 and its RING finger domain act as ubiquitin E3 ligases in vitro
Bovine infected-cell protein 0 (BICP0) encoded by bovine herpes virus 1 (BHV-1) immediate early gene is necessary for efficient productive infection, in a large part, because it activates all 3 classes of BHV-...
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Functional characterization of cadmium-responsive garlic gene AsMT2b: A new member of metallothionein family
A new gene of metallothionein (MT) family was cloned from garlic (Allium sativum) seedlings using RACE method and designated AsMT2b. The full length of AsMT2b cDNA was 520 bp encoding 80 amino acids. The deduced ...
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Fine map** of locus S-b for F1 pollen sterility in rice (Oryza sativa L.)
Hybrid sterility is the main barrier in utilizing the heterosis of subspecies in rice. A knowledge of the underlying molecular mechanism of the hybrid sterility will be useful for overcoming the barrier. In th...
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Detection of quantitative trait loci and heterotic loci for plant height using an immortalized F2 population in maize
A set of recombinant inbred lines (RIL) derived from Yuyu22, an elite hybrid widespread in China, was used to construct an immortalized F2 (IF2) population comprising 441 different crosses. Genetic linkage maps w...
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Article
Complicated phenomena of the Beichuan-Yingxiu surface fracture zone during Wenchuan Ms8.0 earthquake in Sichuan Province, China
After Wenchuan Ms8.0 earthquake, the surface fractures have been investigated in Beichuan City and Yingxiu Town. It was found that the Beichuan-Yingxiu earthquake fracture zone trends northeastward, dip** to no...
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Article
Promotion of catalytic activity for methanol electro-oxidation on CoPc-Pt/C co-catalysts
The catalytic activity for methanol electro-oxidation on CoPc-Pt/C co-catalysts, prepared by impregnation method, was studied in details through electrochemical methods. Cyclic voltammetry (CV) result demonstr...
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Article
Effect of ethylene on polygalacturonase, lipoxygenase and expansin in ripening of tomato fruits
Fruit ripening is a complex process and is regulated by many factors. Ethylene and polygalacturonase (PG), lipoxygenase(LOX), expansin(EXP) are all critical regulating factors in fruit ripening and softening p...
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Article
Coexistence of Fermi arcs and Fermi pockets in a high-Tc copper oxide superconductor
One outstanding puzzle in high-temperature cuprate superconductors relates to the 'Fermi surface pocket' that is expected to emerge when the material is slightly doped or underdoped. Such pockets were recently...
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Article
Astronomically modulated late Pliocene equatorial Pacific climate transition and Northern Hemisphere ice sheet expansion
The equatorial Pacific underwent a significant climate transition during the late Pliocene, which is characterized by cooling of global sea surface temperatures (SSTs) and formation of a marked SST gradient be...
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Article
Catalytic removal of tert-butyldimethylsilyl (TBS) and tetrahydropyranyl (THP) groups from protected alcohols by NO+BF4 − in methanol
An effective, catalytic method has been developed to remove TBS and THP groups from protected alcohols. TBS and THP ethers were selectively cleaved using a catalytic amount of NO+BF4 − (5 ...
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Article
Seismic response analysis of long-span suspen-dome under multi-support excitations
A practical suspen-dome project, Changzhou Gym roof, is adopted as an example and its transient analysis based on the multi-support excitations of the earthquake wave is carried out. Compared with the single s...
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Article
Open AccessPromotion of water-mediated carbon removal by nanostructured barium oxide/nickel interfaces in solid oxide fuel cells
The existing Ni-yttria-stabilized zirconia anodes in solid oxide fuel cells (SOFCs) perform poorly in carbon-containing fuels because of coking and deactivation at desired operating temperatures. Here we repor...
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Article
Open AccessCopper nanoclusters: Synthesis, characterization and properties
Metal nanoclusters with a core size smaller than 2 nm have attracted much attention because of their unique physical and chemical properties. Among the studied metal nanoclusters, gold and silver have been stu...
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Article
Ultrahard nanotwinned cubic boron nitride
The hardness, toughness and chemical stability of the well-known superhard material cubic boron nitride have been improved by using a synthesis technique based on specially prepared ‘onion-like’ precursor mate...
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Open AccessEffects of genetically modified T2A-1 rice on the GI health of rats after 90-day supplement
Bacillus thuringiensis insecticidal toxin (Bt) rice will be commercialized as a main food source. Traditional safety assessments on genetically modified products pay little attention on gastrointestinal (GI) heal...