1.Aims: Providing services to enhancing the quality of the young rural entrepreneurs as well as boosting the member enterprise economic returns, improving the prosperity of the Chinese rural economy and the devil orpiment of the society.
协会宗旨是:为提高乡镇企业青年厂长(经理)的素质服务,为提高会员企事业经济效益服务,为促进中国农村经济繁荣和社会发展服务。
2.a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar.
一种极具毒性的金属元素,有三种同素异性体,砷和砷的化合物用作除草剂、杀虫剂和各种合金,见于毒砂、雌黄、雄黄中。
3.[Methods]①Orpiment nanoparticles were prepared chemically and characterized by transmission electron microscope (TEM) and energy dispersive spectrometry (EDS).
[材料方法]①采用化学法制备雌黄纳米粒,用透射电镜(TEM)、能谱仪(EDS)对雌黄纳米粒进行表征及特性检测;