Performance comparison between three intraoral image receptors of different technology at a variety

来源 :健康(英文) | 被引量 : 0次 | 上传用户:sketchupbim
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Purpose: To comparatively evaluate the per-formance of three intraoral image receptors of different technology when exposed to different X-ray beam spectra, dose and dose rate levels using a stepwedge phantom. Materials and methods: The intraoral radiogra
其他文献
作为国家首批高新技术开发区之一,上海漕河泾开发区历经改革创新跨越发展三十载,吸引了腾讯、飞利浦等世界知名企业入驻,园区综合实力指标在全国开发区中名列前茅.旗下上海漕
Amoeba treatment of patients suffering from pri-mary amoebic meningoencephalitis caused by Naegleria fowleri has not been successful. Dam-aged morphology and ef
在经济全球化的进程中,跨国公司已经成为世界经济发展不可或缺的一部分。在跨国公司发展壮大的过程中,往往会利用转移定价等方式在各国之间进行税收筹划,而无形资产在这中间
The urinary bladder is innervated and functionally regulated by the autonomic nervous system. In order to elucidate the mechanism of functional changes in aged
The novel strain H1N1 caused the outbreak of first pandemic influenza in 21 century. Now it is a common component of current seasonal influenza viruses. The rec
一个国家的经济发展要充满活力和竞争力,不仅需要“顶天立地”的大企业,更需要“前赴后继”、“铺天盖地”的小微创业企业.据不完全统计,在世界范围内约有2/3的新发明、新创
A dose-finding study was performed with respect to the clinical applicability and tolerability of three different concentrations of propolis special extract GH
Mycetoma is a chronic, granulomatous, progressive inflammatory disease;it usually involves the subcutaneous tissue after a traumatic inoculation of the causativ
Multiple sclerosis (MS) is a chronic autoimmune disorder affecting the central nervous system (CNS) through demyelination and neurodegeneration. Several lines o
在现今国际国内复杂多变的市场环境下,现代企业突破发展瓶颈,迎来跨越式发展,必须做好坚实的会计基础工作,充分挖掘企业内部潜力,做好节能降耗防范企业的财务风险。企业推行