Polycrystalline Silicon Carbide (SiC) substrates were separately implanted with europium (Eu) ions of 270 keV to a fluence of 1 × 10 cm at room temperature (RT), 350 °C and 600 °C. The samples were thermally annealed at temperatures ranging from 1000 to 1400 °C in steps of 100 °...
工作内容: 1、负责园林区大型古树(朴树,柏树,樟树,柚子树,桂花树,梧桐树,枫树,银杏,白玉兰等)养护、种植养护、苗木扦插剪枝、及园林的病虫处理; 2、负责指导现场管理员及临时工做好园林维护、保养,保证苗木外观形态效果; 3、负责园林日常巡检工作,针对出现问题的苗木及时予以反馈,并及时处理; 4、负园林绿化工程质量...