2,360 Result(s)
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**g-yuan Li
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Article
Vibration analysis of moderate-thick plates with slowly varying thickness
In this paper, the flexural vibration analysis of moderate-thick rectangular plates with slowly varying thickness using perturbation method is described, and the explict expressions of free vibration frequenci...
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Chapter and Conference Paper
A difference method for degenerate hyperbolic equations of second order
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Article
A perturbation solution of free vibration of cylindrical shells with ring-stiffeners
In this paper, the free vibration of cylindrical sheel with ring-stiffeners is studied in detail by using the PLK method in singular perturbation and the general Hale's law, and the formulas calculating natura.....
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Article
Effect of thyrotropin releasing hormon injected into lateral ventricle on respiration and blood pressure in rabbits
Experiments were carried out on 48 unanesthetized, vogotomized, gallamine triethiodide immobilized and artificially ventilated rabbits. Injection of thyrotropin releasing hormone (TRH) into lateral ventricle r...
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Article
Asymptotic analyses of dynamic response of hyperbolic cooling tower shells with ring-stiffeners perturbation finite element solution
In this paper, a new analysing method called perturbational finite element is suggested, by means of which we calculate the dynamic behaviour and response to turbulent wind of hyperbolic cooling ...
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Chapter and Conference Paper
Nonlinear Bifurcation Analysis for the Stability of Shells
It is well known that to determine the critical load in nonlinear bifurcation analyses for the stability of shells is to solve following eigen equation [1,2]
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Chapter and Conference Paper
Analyses of Reinforcement Concrete Hyperbolic Cooling Tower Shell with Geometric and Material Nonlinearities
Cooling towers in general belong to the largest structures in civil engineering, so that its studies are of important significant in theories and economical value in engineering. Since then the collapse of Fer...
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Chapter
A Study of Strain-Induced Phase Transformations in TiNi Alloy by Electric Resistance Method
It is generally recognized that the shape memory effect (SME) is associated the interaction of stress with thermoelastic martensitic transformation [1]. The phase transformations in TiNi alloy was reported to ...
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Article
Nonlinear buckling analysis of hyperbolic cooling tower shell with ring-stiffeners
This paper is concerned with a numerical solution of hyperbolic cooling tower shell, a class of full nonlinear problems in solid mechanics of considerable interest in engineering applications. In this analysis.....
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Article
The complete sequence of the rice (Oryza sativa) chloroplast genome: Intermolecular recombination between distinct tRNA genes accounts for a major plastid DNA inversion during the evolution of the cereals
The entire chloroplast genome of the monocot rice (Oryza sativa) has been sequenced and comprises 134525 bp. Predicted genes have been identified along with open reading frames (ORFs) conserved between rice and t...
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Article
The increment stiffness matrix and total quantum stiffness in nonlinear analyses
In this paper, the expressions of both increment stiffness matrix and total quantum stiffness matrix in nonlinear analyses are derived in detail, and their relationship is discussed in mathematical meaning.
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Article
Morphology, distribution and its significance of intrahepatic HBV DNA in liver disease: A study by in situ hybridization
A biolin-labeled DNA probe specific for hepatitis B virus (HBV) nucleotide sequences was hybridized in situ to liver tissue of 129 cases with liver disease. It was found that HBV DNA was predominantly visualiz...
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Article
Discussion of critical load in nonlinear stability analysis and suggestion of variational principle of solving critical loads
In this paper, a set of variational formulas of solving nonlinear instability critical loads are established from the viewpoint of variational principle. The paper shows that it is very convenient to solve non.....
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Article
Intrahepatic HBVDNA replication and gene products expression correlated with foci of hepatic necrosis
Intrahepatic HBVDNA of patients with chronic hepatitis B was detected by in situ cytohybridization assay in combination with demonstration of HBsAg and HBcAg expression, and correlated with the foci of hepatic...
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Article
Etiology of acute exacerbation in patients with severe chronic active hepatitis by in situ HBVDNA hybridization technique
To explore etiology of acute exacerbation in severe chronic active hepatitis, in situ HBVDNA hybridization was carried out combined with detection of HBV markers in the serum and the liver as well as intrahepa...
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Article
The rationalism theory and its finite element analysis method of shell structures
In this paper a kind of rationalism theory of shell is established which is of different mechanic characters in tension and in compression, and the finite element numerical analysis method is also described.
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Article
A study on hepatitis D virus infection in liver tissues of patients with hepatitis B in China
2346 liver samples from 17 areas in China were investigated for intrahepatic hepatitis D antigen (HDAg) by direct enzyme-labelled technique. HDAg was detected in 167 out of 1764 samples of HBsAg positive indiv...
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Article
The criteria for identifying the type of critical points
It is well known that the buckling of a structure includes two kinds of different physical phenomena. One is called snap-through buckling and the other is called bifurcation. In this paper, the criteria to ide...
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Article
Techniques for intra-axonal recording of electrical activity from single nerve fiber in vitro and in situ
The method usually applied for recording the electrical activity of single nerve fiber is extracellular recording on isolated single nerve fiber. It is difficult to obtain stable and satisfactory results from ...
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Article
Artificial bone of porous tricalcium phosphate ceramics and its preliminary clinical application
The authors have prepared the artificial bone of porous tricalcium phosphate ceramics according to an appropriate formula and manufacturing technology. Physical and chemical testing shows that it possesses sev...
