ccvd meaning in English

叉尾回病毒病
叉尾鱼回病毒病
患者并发心脑血管疾病
椰子死亡类病毒
椰子死亡类簿

The synthesis process of swnts by catalytic chemical vapor deposition ( ccvd ) was investigated and the product was characterized by transmission electron microscopy ( tem ) , thermo - gravimetric analysis ( tga ) and raman scattering spectra and so on in this thesis
本文研究了单壁纳米碳管的化学气相沉积法制备工艺，并运用透射电子显微镜( tem ) 、热重分析( tga )与拉曼( raman )光谱等分析手段，对产物及催化剂进行了表征。
The synthesis process of single - wall carbon nanotubes ( swnts ) by catalytically chemical vapor deposition ( ccvd ) was investigated and the product was characterized with transmission electron microscopy ( tem ) , electron diffraction ( ed ) , electron dispersive spectra ( eds ) and raman scattering spectra etc . pyrolysis of methane over solid catalysts prepared with impregnation , ion - adsorption precipitation , and sol - gel technique can all lead to the growth of swnts
本文研究了单壁纳米碳管的化学气相沉积法( cvd )制备工艺，并运用透射电子显微镜( tem ) 、 x - ray能谱( eds )与喇曼( raman )光谱等分析手段，对产物及催化剂进行了表征。采用浸渍法、吸附沉淀法与溶胶凝胶法等制备了催化剂，并合成了单壁纳米碳管。