1,508 Result(s)
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Article
A Mössbauer study of some new trinuclear Fe−S cluster compounds
The reaction of (u-RS)2 (XMgS) Fe2 (CO)2 with CpFe (CO)2I gave thirteen new compounds (u-RS) [CpFe (CO)2S] Fe2 (CO)4. Mossbauer spectra were obtained at 80K. Two quadrupote doubles (A set and B set) were present....
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Article
A method for isolating and culturing vascular smooth muscle cells from porcine cerebral arteries
Cerebral blood vessels have unique properties when compared to most peripheral vascular beds. One such property is that large cerebral vessels are involved in the regulation of cerebral vascular resistance. St...
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Article
Geometrical textures of faults, evolution of physical field and instability characteristics
The spatial and temproal evolution of strain, fault displacement and acoustic emissions during deformation of fault systems with different geometrical textures are studied experimentally under biaxial compresi...
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Application research of seismic method in assessment of active fault
Seismic method is one of the main tools of assessing fault activity. There are P-wave reflection and shear-wave splitting methods when active fault is investigated using seismic methods. The P-wave reflection ...
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Article
Nature and catalytic performance of PtSAPO-5 molecular sieve catalyst synthesized by one step
Pt catalysts supported on silicoaluminophosphate molecular sieves were synthesized by adding platinum salts directly to the gel mixture of SAPO. The synthesized products were marked as PtSAPO-5, in order to di...
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Article
A new evolutionary algorithm for function optimization
A new algorithm based on genetic algorithm(GA) is developed for solving function optimization problems with inequality constraints. This algorithm has been used to a series of standard test problems and exhibi...
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Article
Comparison of HTC method and UV/persulphate method to determine colloidal organic carbon in seawater
The application of cross-flow ultrafiltration (CFF) techniques to separate colloidal organic carbon (COC) from truly dissolved organic carbon(TDOC) was investigated; COC and TDOC were determined by the high-te...
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Article
Tetraphenylmethane-Based 1,3,4-Oxadiazole as Electron Transporting Materials in Organic Light-Emitting Devices
A series of tetrahedral tetramers of 2,5-diphenyl substituted 1,3,4-oxadiazole compounds were synthesized and characterized for electron-transporting layer (ETL) in organic light-emitting diode (OLED). The mul...
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Article
Appearance of denuded hepatic stellate cells and their subsequent myofibroblast-like transformation during the early stage of biliary fibrosis in the rat
To investigate the early in vivo response of hepatic stellate cells in biliary fibrosis, we examined rat livers during the first 7 days after bile duct ligation using light microscopy, immunohistochemistry, e...
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Article
Quantitative dynamics on stimulating regeneration and sowing seedlings ofLarix gmelinii in Daxing’an Mountains
To understand the quantitative dynamics and death reason of stimulating regeneration seedlings is significant for stimulating the natural regeneration ofLarix gmelinii and implement of conservation project of nat...
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Article
Arbuscular mycorrhizal status of plants and the spore density of arbuscular mycorrhizal fungi in the tropical rain forest of **shuangbanna, southwest China
The arbuscular mycorrhizal status of 112 plant species and the spore density of arbuscular mycorrhizal fungi (AMF) in the rhizosphere soil of these plants in the tropical rain forest of **shuangbanna, southwe...
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Article
Endogenous hormone levels at technical maturing stage of sugarcane
Ethylene evolution of leaf and contents of ABA and IAA in cane-tip were measured during late growth stage of sugarcane. The ethylene evolution of different leaves (the leaf with TVD was defined as leaf +1, oth...
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Article
Preparation and Characterization of a Sol-Gel Prepared Ferroelectric Sandwich Structure
A novel silicon-based PbTiO3/Pb(Zr,Ti)O3/PbTiO3 (PT/PZT/PT) sandwich structure has been prepared using a sol-gel method. The annealing temperature is greatly reduced compared with those structures without PT laye...
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Article
Effects of Lead on 4-Aminobiphenyl Pharmacokinetics in Liver, Kidney, Spleen, Testes, Heart, Lung and Hemoglobin Adduct for Rat Model
Lead affects almost every system in the body and 4-aminobiphenyl increases the incidence of bladder cancer among human exposed to aromatic amines, but little attention has been paid to the effects of lead (hea...
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Article
Linkage of CD40L to a self-tumor antigen enhances the antitumor immune responses of dendritic cell-based treatment
CD40–CD40 ligand (CD40L) interaction is an important costimulatory signal in the interaction between T cells and antigen-presenting cells (APC). In the present study, we determined whether the linkage of CD40...
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Article
Three isoforms of annexin I are preferentially expressed in normal esophageal epithelia but down-regulated in esophageal squamous cell carcinomas
The development and progression of human cancer are believed to be due to the alterations of multiple genes or/and their protein products. For identifying the proteins associated with esophageal cancer, we ana...
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Article
Effect of pretreatment with aspirin and ticlopidine on the change of platelet aggregability after radiofrequency catheter ablation
Eighty-two patients with supraventricular tachycardia undergoing radiofrequency catheter ablation (RFCA) were studied to observe the inhibition effect of aspirin and ticlopidine on platelet aggregability (PAG)...
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Article
Research on concurrent design of collaborative product commerce oriented discrete manufacturing enterprises
In order to fulfill the product concurrent design requirements of discrete manufacturing enterprises, this paper puts forth for the first time a Collaborative Product Commerce (CPC) oriented X2D (X to Design) ...
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Article
Tele-network design based on queue competition algorithm
In this paper, we report research on how to design the tele-network. First of all, we defined the reliability of tele-network. According to the definition, we divide the whole reliability into two parts: the r...
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Article
Electrochemical synthesis of ordered alumina nanowire arrays
Ordered Al2O3 nanowire arrays embedded in the nanochannels of anodic alumina membranes (AAMs) were synthesized by electrodepostion at room temperature. Our synthetic route yielded large quantities of Al2O3 nanow...