Selon Goeth et Valéry, l′homme de génie est un être rollectif. Cela signifie qu′il est d′une part le porteur des tendances et des influences multiples de son époque, de l′autre, un individu don...Selon Goeth et Valéry, l′homme de génie est un être rollectif. Cela signifie qu′il est d′une part le porteur des tendances et des influences multiples de son époque, de l′autre, un individu dont l′originalité est irréductible à une causalité展开更多
Laryngeal compound action poential (LCAP) is anexcellular field potential generated as current propagatesalong a nerve.LCAP has been used to measure muscleactivity due to its behaviors in a graded fashion in activat-i...Laryngeal compound action poential (LCAP) is anexcellular field potential generated as current propagatesalong a nerve.LCAP has been used to measure muscleactivity due to its behaviors in a graded fashion in activat-ing neuromuscular units. Correlation of LCAP of RLNwith other electrophysiological signals and biomechanicsdeta has been demonstrated in animal and human stu-dies. LCAP may have a better potential value than aroutine EMG to monitor the RLN during thyroidectomy be-展开更多
The cutting burr is one of the common phenomena occurring in metal cutting.In this paper,the forming processes,main effect factors and change law of the cutting direction burr in orthogonal cutting have been studied a...The cutting burr is one of the common phenomena occurring in metal cutting.In this paper,the forming processes,main effect factors and change law of the cutting direction burr in orthogonal cutting have been studied and related theories are analyzed based on the cutting experiments.The result shows that:(1)the forming processes of cutting direction burr consist of normal cutting,flexure deformation of end surface of workpiece,plastic effect,continuous cutting and shear break separating in orthogonal cutting;(2)a new phenomenon is found that cutting direction burr is formed with the shear break separation of the chip and workpiece machined surfaces;(3)the size of cutting direction burr varies with workpiece materials,cutting parameters and geometric parameters of the cutting tool.展开更多
Production ◎1998’s auto production target of FAW Group (including its holding companies) is set at 353 thous. units, an increase of about 31% from 1997 (269 thorns. units). ◎The projected production and sales rev-e...Production ◎1998’s auto production target of FAW Group (including its holding companies) is set at 353 thous. units, an increase of about 31% from 1997 (269 thorns. units). ◎The projected production and sales rev-enue of Heavy trucks of China National Heavy Truck Corp. (CNHTC) for 1998 will be 14展开更多
文摘Selon Goeth et Valéry, l′homme de génie est un être rollectif. Cela signifie qu′il est d′une part le porteur des tendances et des influences multiples de son époque, de l′autre, un individu dont l′originalité est irréductible à une causalité
文摘Laryngeal compound action poential (LCAP) is anexcellular field potential generated as current propagatesalong a nerve.LCAP has been used to measure muscleactivity due to its behaviors in a graded fashion in activat-ing neuromuscular units. Correlation of LCAP of RLNwith other electrophysiological signals and biomechanicsdeta has been demonstrated in animal and human stu-dies. LCAP may have a better potential value than aroutine EMG to monitor the RLN during thyroidectomy be-
基金Supported by National Natural Science Foundation of China (No.59775071).
文摘The cutting burr is one of the common phenomena occurring in metal cutting.In this paper,the forming processes,main effect factors and change law of the cutting direction burr in orthogonal cutting have been studied and related theories are analyzed based on the cutting experiments.The result shows that:(1)the forming processes of cutting direction burr consist of normal cutting,flexure deformation of end surface of workpiece,plastic effect,continuous cutting and shear break separating in orthogonal cutting;(2)a new phenomenon is found that cutting direction burr is formed with the shear break separation of the chip and workpiece machined surfaces;(3)the size of cutting direction burr varies with workpiece materials,cutting parameters and geometric parameters of the cutting tool.
文摘Production ◎1998’s auto production target of FAW Group (including its holding companies) is set at 353 thous. units, an increase of about 31% from 1997 (269 thorns. units). ◎The projected production and sales rev-enue of Heavy trucks of China National Heavy Truck Corp. (CNHTC) for 1998 will be 14