undoped

英 [英]

美 [美]

adj.  纯的；无掺杂的

　 　 　 　

双语例句

• In this paper, the undoped ZnO films and Ga doped ZnO films ( GZO) were prepared on silicon ( 100) and fused silica substrates by pulsed laser deposition. The effects of deposition parameters on the structure and properties of the films were investigated.
  本文采用脉冲激光沉积（PLD）法分别在Si（100）和石英玻璃上制备了未掺杂ZnO薄膜和不同Ga含量的ZnO（GZO）薄膜，研究了不同工艺参数对薄膜结构和性能的影响。
• The hole-structure of doped or undoped W wire in close vicinity to the fused-breaking was observed by metallography.
  用金相观察了掺杂钨丝和纯钨丝在通电加热熔断断口处的孔洞结构。
• Undoped and indium-doped zinc oxide films are deposited on Si substrates by radio frequency reactive sputtering technology.
  采用射频反应溅射技术在硅（100）衬底上制备了未掺杂和掺In的ZnO薄膜。
• In this paper, we have successfully improved the breakdown characteristics of InP lattice matched HEMT by using the undoped cap layer and triple channel respectively.
  本论文主要研究内容在于磷化铟双异质接面双极性电晶体的制作与特性分析。
• The doped samples show stronger photoluminescence than the undoped ones.
  发射光谱测试表明，掺杂样品比未掺杂样品有更强的紫外发射；
• The thermoluminescence ( TL) glow curves, three-dimensional emission spectra and optical-stimulated luminescence ( OSL) of undoped α-Al 2O 3 single crystals were investigated.
  研究了纯αAl2O3单晶的热释光发光曲线和三维发光谱，以及光释光衰变曲线，对它们的发光机理和剂量学特性进行了分析和讨论。
• Ag doped makes the electrical conductivity of multi-walled carbon nanotubes about four times to the undoped.
  Ag的掺杂使得多壁碳纳米管的导电性提高到原来的四倍左右。
• The impurity distribution, doping activation mechanism, and interaction between Fe atoms and point defects in Fe-doped and annealed undoped semi-insulating ( SI) InP materials are compared.
  比较了掺Fe和非掺退火半绝缘（SI）InP材料中Fe杂质的分布，掺杂激活机理以及Fe原子与点缺陷的相互作用。
• Total liquid encapsulated vertical gradient freeze ( VGF) method has been used to grow undoped semi-insulating ( SI) GaAs crystals. The impurities such as silicon and carbon have been well controlled in the growth process.
  研究了非掺GaAs半绝缘单晶的液封垂直梯度凝固法（VGF）生长技术，解决了Si沾污和C浓度的控制问题，得到了直径2英寸非掺半绝缘低位错单晶。
• The Research on the Efficiency Improvement of Undoped Organic Light-emitting Devices by Charge Balance
  未掺杂条件下载流子平衡提高有机电致发光器件效率的研究