T 形三通接头的毛坯采用模锻,如图1所示。在一批毛坯中,由于锻造温度、空冷温度的不同,以及在锻造过程中镪模型面不断磨损,所以长度 L 发主变化。在加工锻制 T 形三通接头的垂直接头时,用 V 形块定位工件的 A 面及 L 的两端面,用自动定...T 形三通接头的毛坯采用模锻,如图1所示。在一批毛坯中,由于锻造温度、空冷温度的不同,以及在锻造过程中镪模型面不断磨损,所以长度 L 发主变化。在加工锻制 T 形三通接头的垂直接头时,用 V 形块定位工件的 A 面及 L 的两端面,用自动定心夹紧机构定位并夹紧 B、C 面,来确定模锻件在机床上加工位置。展开更多
Methods for the localization of plant calmodulin by immuno-gold and immuno-peroxidase electron microscopy have been developed. In both corn root-cap cells and meristematic cells, calmodulin was found to be localized i...Methods for the localization of plant calmodulin by immuno-gold and immuno-peroxidase electron microscopy have been developed. In both corn root-cap cells and meristematic cells, calmodulin was found to be localized in the nucleus, cytoplasm, mitochondria as well as in the cell wall. In the meristematic cells, calmodulin was distinctly localized on the plasma membrane, cytoplasmic face of rough endoplasmic reticulum and polyribosomes. Characteristically, calmodulin was present in the amyloplasts of root-cap cells. The widespread distribution of calmodulin may reflect its pleiotropic functions in plant cellular activities.展开更多
文摘T 形三通接头的毛坯采用模锻,如图1所示。在一批毛坯中,由于锻造温度、空冷温度的不同,以及在锻造过程中镪模型面不断磨损,所以长度 L 发主变化。在加工锻制 T 形三通接头的垂直接头时,用 V 形块定位工件的 A 面及 L 的两端面,用自动定心夹紧机构定位并夹紧 B、C 面,来确定模锻件在机床上加工位置。
文摘Methods for the localization of plant calmodulin by immuno-gold and immuno-peroxidase electron microscopy have been developed. In both corn root-cap cells and meristematic cells, calmodulin was found to be localized in the nucleus, cytoplasm, mitochondria as well as in the cell wall. In the meristematic cells, calmodulin was distinctly localized on the plasma membrane, cytoplasmic face of rough endoplasmic reticulum and polyribosomes. Characteristically, calmodulin was present in the amyloplasts of root-cap cells. The widespread distribution of calmodulin may reflect its pleiotropic functions in plant cellular activities.
