280 Result(s)
within
English
**anchun Li
Article
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Article
A study of microstructures of tungsten carbide powder
X-ray diffraction profiles were obtained from eight process variants of tungsten carbide (WC) powders in both the unmilled and heavily milled conditions. From these X-ray profiles, coherent domain size and mic...
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Phase structure of the Ti1Cu1− x Fe x system
The phase structures of Ti1Cu1−X Fe X withX=0.1, 0.2, 0.3, 0.4, 0.5, and 0.6 were investigated by means of Mössbauer spectroscopy, X-ray diffraction, and...
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Analysis of PAHs in air-borne particulates in Hong Kong City by heuristic evolving latent projections
A successful qualitative and quantitative analysis of polycyclic aromatic hydrocarbons (PAHs) in air-borne particulates in Hong Kong City has been carried out by the heuristic evolving latent projection (HELP)...
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Source of a floating dust episode over the Qingdao region and dust throughput to the ocean
A floating dust weather happened on March 11–12, 1995 over the Qingdao region. Its source’s and throughput to the ocean were studied. The result indicated that the floating dust was caused by the dust storm th...
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Research on generalized optimization process for mechanical product
The generalized optimization process for mechanical product is proposed which includes functional optimization phase, conceptual design optimization phase, technical design optimization phase (that is further ...
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Study on Thermal and Mechanical Properties of Biodegradable Blends of Poly(ε-caprolactone) and Lignin
The phase structure and physical property were investigated for blends of poly(ε-caprolactone) (PCL) and lignin, both of which were biodegradable polymers. The blend was prepared by mechanical mixing and solut...
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The Hydrogen-Bonding Interactions between 4,4’-Thiodiphenol and Some Poly(hydroxyalkanoic acid)s Revealed by DSC and FT-IR Spectroscopic Analysis
The specific intermolecular hydrogen-bonding interaction between some poly(hydroxyalkanoic acid)s (PHAs) and 4,4’-thiodiphenol (TDP) were studied by DSC and FT-IR. Chemosynthetic poly(3-hydroxypropionate), bac...
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Meromixis in Zige Tangco, central Tibetan Plateau
Zige Tangco (4560 m a.s.l.), located in central Tibetan Plateau, was first discovered in China to be a meromictic lake. The meromixis was caused possibly by virtual sheltering due to the lake basin’s morphomet...
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Morphological responses ofLimnocythere inopinata (Ostracoda) to hydrochemical environment factors
Living ostracod and hydrochemical samples were collected synchronously from more than 50 lakes and small water body in the eastern edge area of the Tibetan Plateau, Northern Tibetan, Southern Tibet and mid-Tib...
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Application of CCA for study on modern lake diatoms and environment in the Tibetan Plateau
The relations between lake surface sediment diatoms and water environmental variables were revealed effectively by use of a new multivariate canonical correspondence analysis (CCA) based on 45 lakes in the Tib...
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Incremental Learning with Respect to New Incoming Input Attributes
Neural networks are generally exposed to a dynamic environment where the training patterns or the input attributes (features) will likely be introduced into the current domain incrementally. This Letter consid...
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Transient increase of rat gastric amylin in the neonatal period and in experimental ulcers
Amylin (islet amyloid polypeptide; IAPP)-containing cells are present in the gastric mucosa and duodenum, but little is known about their regulation. In the present study, we investigated rat gastric mucosa in...
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The Effect of Crystallization on the Thinning-Thickening Phenomena of Plastic Blend Film in Water Media
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Specific myeloprotection via multidrug resistance 1 gene controlled by aminopeptidase N myeloid promoter
In the treatment of tumor patients introduction of multidrug resistance genes into hematopoietic cells has been reported as an approach for reducing myelotoxicity created by antitumor drugs. However, the nonsp...
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Jasmonate and salicylate induce expression of herbivore cytochrome P450 genes
Jasmonate and salicylate are plant-produced signals that activate plant defence genes after herbivory1,2,3 or pathogen4 attack. Amplification of these signals, evoked by either enemy attack or experimental manipu...
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Geological records of marine environmental changes in the southern Okinawa Trough
Indexes of sediment grain size, sedimentation rates, geochemical composition, heavy minerals, benthic foraminiferal fauna, indicator species of the Kuroshio Current, paleo-SST and carbonate dissolution of core...
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Growth of bulk single crystals β-FeSi2 by chemical vapour deposition
Bulk single crystals β-FeSi2, as a new photoelectric and thermoelectric material, has been successfully grown using chemical vapor transport technique by using iodine as transport agent in a sealed ampoule. The e...
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Inhibitory effect of the adenovirus type 5 E1A protein expressed in the yeast system on the human tumor cell growth
Adenovirus 5 type E1A as a tumor suppressor gene can inhibit tumor growth and enhance the sensitivity of chemotherapy and radiotherapy. E1A have the ability to integrate into the host genome, resulting in long-ti...
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Thermal and Infrared Spectroscopic Studies on Hydrogen-Bonding Interaction between Poly(3-hydroxybutyrate) and Catechin
The effects of catechin on the properties of bacterially synthesized isotactic poly[(R)-3-hydroxybutyrate] (i-PHB) and chemosynthesized highly-syndiotactic poly[(R,S)-3-hydroxybutyrate] (s-PHB) were investigated ...
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Inhibitory effect of a modified adenovirus type 5E1A gene on the NF-κB activity in porcine aortic endothelial cells induced by TNF-α
The transcription factor nuclear factor κB (NF-κB) plays a key role in the delayed xenograft rejection (DXR). One of the important objects in the field is how to inhibit the NF-κB activity at optimal level. Th...
