88 Result(s)
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Article
A novel lactam fromDelphinium caeruleum
The structure of a novel lactam(I) isolated fromDelphinium caeuleum Jacq. ex Camb was determined by spectral data.
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Article
Study on the chemical constituents ofEuonymus alatus (Thunb.) Sleb
This phytochemical study onEuonymus alatus (Thunb.) Sleb. (Celestrceae) yielded two compounds: a new compound, 2,3-dihydroxypropanyl hentetracosanate and a known compound: neozeaxanthin A. Their structures were e...
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Article
A mutual non-repudiation protocol with privacy
Non-repudiation services provide the parties involved in a transaction with protection against the other party by denying that a particular event or action took place. They collect irrefutable evidence to supp...
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Article
Short circuit current limiter in as network
Short circuit is a serious fault in power network. Some novel circuit topologies of current limiter using power electronic technology have been developed, which can limit the fault current to any desired level...
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Article
Exact solution of an external circular crack in a piezoelectric solid subjected to shear loading
A three-dimensional, exact analysis is presented in this paper for the problem of an external circular crack in a transversely isotropic piezoelectric medium subjected to arbitrary antisymmetric shear loading....
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Article
An IBR method: Panoramic mosaics of slit images with depth
Providing a wider movement range of virtual camera is an unsolved problem for state-of-the-art image-based rendering system. In this paper, we present a new image based rendering technology called panoramic mo...
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Article
A penny-shaped crack in an infinite piezoelectric body under antisymmetric point loads
In this study, Fabrikant (1989, 1991)'s new results in potential theory were used to obtain the exact and complete solution for the problem of a penny-shaped crack in an infinite transversely isotropic piezoel...
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Article
A simple method for chiral resolution of 1,1′-Bl-2-naphthol
An improved method for preparing enantiomerically pure 1,1′-bi-2-naphthols is described. 1,1′-bi-2-naphthol boric anhydride was generated from the reaction of racemic 1,1′-bi-2-naphthol and boric anhydride. It...
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Article
Theoretical study on the ideal open cycle of the liquid nitrogen engine
This article described the characteristics of the liquid nitrogen engine’s ideal open cycle. Using two interconnecting strokes to achieve the power output can mitigate the trade-off between high efficiency and...
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Article
Chemical composition of the essential oil from Rabdosia lophanthoides
Gas chromatography/mass spectrometry (GC-MS) of the essential oil from the aerial parts of Rabdosia lophanthoides resulted in the identification of 108 compounds representing 78. 120% of the oil. Hydro-distillati...
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Article
Application of gap element to nonlinear mechanics analysis of drillstring
This paper presents a nonlinear finite element method to resolve the problem of the nonlinear contact between the drillstring and hole wall by using a Multi-directional Contact Gap Element (MOGE) contacting at...
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Article
Theoretical solution of a spherically isotrophic hollow sphere for dynamic thermoelastic problems
The separation of variables method was successfully, used to resolve the spherically symmetric dynamic thermoelastic problem for a spherically isotropic elastic hollow sphere. Use of the integral transform can...
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Article
Three-dimensional analysis of a thick FGM rectangular plate in thermal environment
The thermal behavior of a thick transversely isotropic FGM rectangular plate was investigated within the scope of three-dimensional elasticity. Noticing many FGMs may have temperature-dependent properties, the...
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Article
Comparison study of harmonic imaging (HI) and fundamental imaging (FI) in fetal echocardiography
Objectives: To directly compare the quality of harmonic imaging (HI) and fundamental imaging (FI) in fetal echocardiography and to determine any difference in image quality between the two modalities. Methods:...
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Article
Free vibration of piezoelectric annular plate
General solutions for coupled three dimensional equations of piezoelectric media were used in this work to obtain some analytical solutions for free vibration of piezoelectric annular plates. These solutions n...
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Article
Analytical solutions of simply supported magnetoelectroelastic circular plate under uniform loads
In this paper, the axisymmetric general solutions of transversely isotropic magnetoelectroelastic media are expressed with four harmonic displacement functions at first. Then, based on the solutions, the analy...
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Article
Splicing-site recognition of rice (Oryza sativa L.) DNA sequences by support vector machines
Motivation: It was found that high accuracy splicing-site recognition of rice (Oryza sativa L.) DNA sequence is especially difficult. We described a new method for the splicing-site recognition of rice DNA sequen...
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Article
Effects of atorvastatin on vascular remodeling in spontaneously hypertensive rats
Objective: To investigate the structural changes of aorta, and evaluate the effects of atorvastatin on the remodeling of thoracic aorta in spontaneously hypertensive rats (SHR). Methods: Twelve eight-week-old ...
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Article
A robust tolerance design method based on process capability
This paper presents a method for robust tolerance design in terms of Process Capability Indices (PCI). The component tolerance and the suitable manufacturing processes can be selected based on the real manufac...
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Article
Chelators effect on soil Cu extractability and uptake byElsholtzia splendens
Phytoremediation is emerging as a potential cost-effective solution for remediation of contaminated soils, and bioavailability of metal in the soil for plant uptake is an important factor for successful phytor...
