什么,你每天都吃灰?!为什么自己不知道?那一年下来,你吃了多少呢? We all know we shouldn’t eat dirt, but we do it anyway. Mostly not on purpose — dirt gets into our bodies all day, every day, whether we want it to or not. It’s unde
About ten years ago, an importer of Northeast China was charged with importing waste paper without any sterilization and primary treatment, bringing some harmfu
The petrochemical sector is a high energy consumption sector. The energy consumption has a decisive role in determining the competitiveness of products. Yangzi
1 Promote commercializationZhonghao Chenguang Research Insti-tute of Chemical Industry(Chenguang)is located in Zigong ofSichuan province in the southwest ofChi