日前,PTC公布了其智能互联服务解决方案——PTC Remote Service和PTC Connected Service Parts Management的最新服务。这两套解决方案均利用ThingW orx物联网平台帮助企业转变其实施互联产品服务的方式。PTC Remote Service和PTC Connected Service Parts Management解决方案是PTC服务生命周期
The effects of kojic acid on phenoloxidase (PO) of Plutella xylostella were investigated, when it had been partially purified by 40% saturated [(NH4)2SO4] and S