In view of the problems in the design of the large andmedium - sized indoor substations built by guangzhou power bureau in recent years , points for attention in the design of indoor substations are expounded in terms of ventilation , cable channel , reservation of hangers and space for transportation and installation , ground wire , lighting for the whole substation , etc 本文介绍了12 . 5万千瓦汽轮发电机定子扇形片双胞胎冲模的工艺设计和制造技术,以及模具在制造过程中常见的质量问题和预防措施.指出采用合理可行的方法对提高模具制造质量和缩短产品制造周期的重要作用
In view of the problems in the design of the large andmedium - sized indoor substations built by guangzhou power bureau in recent years , points for attention in the design of indoor substations are expounded in terms of ventilation , cable channel , reservation of hangers and space for transportation and installation , ground wire , lighting for the whole substation , etc 弹性金属塑料瓦已在水电站普遍推广应用,在泵站中也已开始推广应用.制造和安装质量不合格同样会发生推力瓦烧损事故.改进安装操作方法,提高安装质量,是解决推力瓦烧损的有效途径之一
In view of the problems in the design of the large andmedium - sized indoor substations built by guangzhou power bureau in recent years , points for attention in the design of indoor substations are expounded in terms of ventilation , cable channel , reservation of hangers and space for transportation and installation , ground wire , lighting for the whole substation , etc 在市经委关于压缩、整顿铸造、锻造、热处理、电镀四个环境污染较大的基础工艺行业的精神下,公司领导提出了本公司电镀生产点是否该继续保留的课题,本文对此进行了分析和探讨,并提出了今后的发展方向
According the standard of digital video broadcasting for cable channel , this paper analyze , design and simulate a all - digital demodulator that receive high rate quadrature amplitude modulate ( qam ) signal in order to making the demodulator chip for qam signal that transmitted through the channel of cable television . the paper includes some contents as follows 本文依照dvb - c传输标准,为了制作数字有线电视接收机中的正交振幅调制( qam )信号的全数字解调芯片,对qam信号的全数字解调器进行了分析、设计和仿真,主要包括以下内容:对数字下变频进行了分析、设计和仿真。
Article 61 for those who violate the provisions of section 2 of article 11 of this law by illegally occupying or utilizing the land for substation facilities , transmission line corridors , and cable channels , the local people ' s governments at and above the county level shall order them to rectify within a given time period ; if a rectification is not made within the specified time , the obstacles shall be forcefully eliminated 第六十一条违反本法第十一条第二款的规定,非法占用变电设施用地、输电线路走廊或者电缆通道的,由县级以上地方人民政府责令限期改正;逾期不改正的,强制清除障碍。