Objective:To investigate the cause and treating methed of lower vision caused by the cervical spondlosis in order that the doctors can improve treating level.Methods:To 28 cases lower vision of 398 patients caused by ...Objective:To investigate the cause and treating methed of lower vision caused by the cervical spondlosis in order that the doctors can improve treating level.Methods:To 28 cases lower vision of 398 patients caused by the cervical spondlosis.We choose treating、methods—drawing.rubing Svate 654-2 and so on.Results:The 28 patients were treated 1～3 periods.The 22 cases of 28 patients are more effective.(79%).The 6 cases are effective.(21%).The total effective rate is 100 percent.Conclusions:The lower vision caused by the cerivcal spondlosis is uncommon.The comprehensive treatment are satisfaction.展开更多
为了研究变薄拉深对430不锈钢表面起皱的影响,采用DEFORM-2D分析0.56、0.79和1.00 mm 430不锈钢冷轧退火板的拉深-变薄过程,最大变薄率分别为32.14%、26.58%和26.00%,并对0.79 mm厚的板材进行试验验证,测得最大变薄率约为30.38%,与模拟...为了研究变薄拉深对430不锈钢表面起皱的影响,采用DEFORM-2D分析0.56、0.79和1.00 mm 430不锈钢冷轧退火板的拉深-变薄过程,最大变薄率分别为32.14%、26.58%和26.00%,并对0.79 mm厚的板材进行试验验证,测得最大变薄率约为30.38%,与模拟结果接近;通过表面粗糙度数据,可知变薄率越大,改善起皱效果越明显,最优变薄率约为20%,但变薄率太大时,拉深件表面出现明显摩擦划痕;通过EBSD测量,变薄拉深并未改变与起皱相关的{111}〈112〉与{111}〈110〉织构的晶粒体积分数,初步判定通过物理挤压作用可以改善起皱。展开更多
文摘Objective:To investigate the cause and treating methed of lower vision caused by the cervical spondlosis in order that the doctors can improve treating level.Methods:To 28 cases lower vision of 398 patients caused by the cervical spondlosis.We choose treating、methods—drawing.rubing Svate 654-2 and so on.Results:The 28 patients were treated 1～3 periods.The 22 cases of 28 patients are more effective.(79%).The 6 cases are effective.(21%).The total effective rate is 100 percent.Conclusions:The lower vision caused by the cerivcal spondlosis is uncommon.The comprehensive treatment are satisfaction.
文摘为了研究变薄拉深对430不锈钢表面起皱的影响,采用DEFORM-2D分析0.56、0.79和1.00 mm 430不锈钢冷轧退火板的拉深-变薄过程,最大变薄率分别为32.14%、26.58%和26.00%,并对0.79 mm厚的板材进行试验验证,测得最大变薄率约为30.38%,与模拟结果接近;通过表面粗糙度数据,可知变薄率越大,改善起皱效果越明显,最优变薄率约为20%,但变薄率太大时,拉深件表面出现明显摩擦划痕;通过EBSD测量,变薄拉深并未改变与起皱相关的{111}〈112〉与{111}〈110〉织构的晶粒体积分数,初步判定通过物理挤压作用可以改善起皱。
