6,096 Result(s)
within
**ao Qiong
-
Article
Finite element study of dynamic characteristics of main components of machine tools
Dynamic characteristics have been studied for main components of machine tools by finite element method. The multi-element static and dynamic structural analysis program makes possible the analysis of main com...
-
Article
On the application of mixed method to solve solids of revolution with discrete fixed supports
In this paper, the force method of statically indeterminate structure mechanics is used to treat the solids of revolution with discrete fixed supports. The reactionary forces of discrete fixed supports are con...
-
Article
Carbon fibre-reinforced silicon nitride composite
The processing of silicon nitride reinforced with carbon fibre was studied. The problems of physical and chemical incompatibility between carbon fibre and the silicon nitride matrix were solved by addition of ...
-
Article
A study on ship vibration using finite element method
When the beam theory was used to calculate ship hull vibration, greater discrepancies were found between theoretical calculations and actual measurements especially at higher modes. Thus the beam model cannot ...
-
Chapter
Diagnostic Cytology and Early Detection
Carcinoma of the esophagus is one of the common malignancies in northern China [1, 2]. It is a serious threat to the life and health of the working people, and has been more prevalent in the rural parts of the...
-
Article
Effects of fenvalerate on enzymes of rat liver cell membranes and microsomes
By exploring the effects of fenvalerate on enzymes of rat liver cell membranes and microsomes, it was found that fenvalerate inhibited the activities of liver plasma membrane-bound 5′-Nase and ALP in different...
-
Article
Das chinesische Heilmittel Rhizoma Bletillae als Embolisationsmaterial im Tierversuch und in der klinischen Anwendung
Dieser Artikel beschreibt eine experimentelle Forschung mit dem chinesischen Heilmittel Rhizoma Bletillae (RB), mit Gelfoam und mit IBCA als Material zur Embolisation der Nierengefäße. Die Autoren vergleichen ...
-
Article
The toxicokinetics of methyl-ISP in rats
The toxicokinetics of methyl-ISP was studied in rats. The logarithm of the pesticide concentration in blood versus time curve following intravenous injection was fitted to two-compartment open model. The toxic...
-
Article
Toxicological studies on the organophosphorous insecticide methyl-ISP
Methyl-ISP, a newly developed organophosphorous insecticide, is used in China to treat and protect plants from pest infestation. Our studies demonstrated that methyl-ISP is metabolized rapidly in tat and mouse...
-
Chapter and Conference Paper
Microstructure of the Interface and Interfiber Regions in P-55 Reinforced Aluminum Alloys Manufactured by Pressure Infiltration
The effect of A14C3 formation at the fiber/matrix interface on the properties of carbon fiber reinforced aluminum alloy matrix composites has been the subject of numerous investigations. However, there are other ...
-
Chapter and Conference Paper
Control of Interface Reactions between P-55 Fibers and Aluminum Alloy Matrices during Pressure Infiltration Processing
The pressure infiltration process is a convenient and inexpensive method for manufacturing cast metal matrix composites. Inherent in the process is the ability to independently control the most important proce...
-
Article
Construction and hyperproductivity of engineered strain QE79 bearing recombinant plasmid containing penicillin G acylase gene from Escherichia coli strain AS1.76
An engineered strain QE79 bearing a recombinant plasmid containing the penicillin G acylase gene from E.coli strain AS1.76 was constructed. Formation conditions of the penicillin G acylase were studied. The ac...
-
Article
The Progress of Plasma Anodization and its Applications
RF stimulated DC discharge mode was developed and used in plasma anodization. Equipment operating in this mode has been set up for anodizing semiconductor materials. To improve the feature of this equipment, e...
-
Article
Interface structure in infiltrated composites of aluminum reinforced with alumina-silica fiber preforms
-
Article
A comparison of pneumoconiosis interpretation between Chinese and American readers and classifications
As a preliminary step in joint Sino-American pneumoconiosis research efforts, a formal chest X-ray pneumoconiosis reading trial was conducted among Chinese and American radiologists. Tweleve Chinese readers fr...
-
Article
A comparison of radiographic interpretation of silica exposed workers using the 1963 and the 1986 Chinese roentgenodiagnostic criteria of pneumoconioses
As part of a larger study relating to silica exposure, silicosis, and lung cancer mortality in Chinese mine and factory workers, 1936 old posterior-anterior chest X-rays were re-interpreted according to the 19...
-
Article
A study of calcium ion-selective PVC membrane electrode based on neutral carrier N,n,n’,n’-tetracyclo-3-oxapetanediamide
A calcium ion-selective PVC membrane electrode based on neutral carrier n,n,n’,n’-tetracyclohexyl-3-oxapetanediamide, using di-(2-ethylhexyl) phthalate as the plasticizer and potassium tetrakis (4-chlorophenyl...
-
Article
Hypothalamic-pituitary function assessment in children by a combined stimulation test
We utillized a combined stimulation test using insulin, thyrotropin-releasing hormone, gonadotropin-releasing hormone and levodopa to assess multiple pituitary hormones including growth hormone, thyrotropin, p...
-
Article
Retrospective cohort study of risk-factors for esophageal cancer in Linxian, People's Republic of China
A retrospective cohort study of esophageal (including gastric cardia) cancer was conducted to examine dietary and other potential risk factors in Linxian, a high-risk area in P.R. China. Study subjects were id...
-
Article
Expression of the Q2 gene of the MHC in thymus and intestinal epithelial cells
