1) single-photon
单光子
1.
bjective To evaluate the single-photon emission computed tomography (SPECT) (201 Tl) for clinical diagnosis of coronary heart diseases (CHD) in the elderly with metabolic syndrome.
目的探讨单光子发射型计算机体层摄影术(铊-201核素心肌显像)对老年人代谢综合征并发冠心病的临床诊断价值。
2.
Methods The single-photon emission commuted tomography were performed in 17 children with school phobia and 11 normal controls.
方法对17例学校恐怖症患儿(研究组)和11名正常儿童(对照组)分别进行单光子发射型计算机断层显像检查,对研究组进行儿童焦虑性情绪障碍筛选量表的评估,比较两组rCBF的差异,以及rCBF与焦虑程度的关系。
3.
The emphasis is put on quantum dot which is described in more detail,including the realization of single-photon source,exciton emission,antibunching and bunching of biexciton emission and second order correlation of photon.
并对关键技术之一的单光子源技术进行了重点介绍,如量子点作为单光子源的研究概况,单光子发射的实现、激子跃迁、双激子跃迁引起的聚束和反聚束效应和光子相关测量等。
2) single photon
单光子
1.
Differential diagnosis of Parkinson disease and vascular Parkinsonism by single photon emission computed tomography imaging;
运用单光子发射计算机断层扫描显像诊断帕金森病和血管性帕金森综合征
2.
Drug abuse on corpus striatum dopamine transporter: a single photon emission computed tomography imaging study;
应用单光子发射计算机体层摄影术研究药物滥用对人脑纹状体多巴胺转运体的损害
3.
Changes and diagnostic value of ~(99m)Tc-Seatamibi single photon emission computed tomography in child viral myocarditis;
小儿病毒性心肌炎~(99m)Tc单光子断层扫描改变及其诊断价值
4) SPECT machine
单光子CT
5) single photoelectron
单光电子
1.
The equivalent energy deposited in CsI(Tl) crystal of a single photoelectron of PMT has been measured.
PMT单光电子的发射对应于晶体中的能量沉积约为 0 。
6) single-photon source
单光子源
1.
Analysis of quantum bit error rate based on single-photon source with Poisson distribution;
基于泊松分布单光子源的量子误码率的分析
2.
The theoretical models based on an ideal single-photon source and a single-photon source with Poisson distribution are established by introducing the measuring factor and the shifting factor,and the expressions of quantum bit rate are given.
通过引入测量因子和筛选因子,建立了基于理想单光子源和泊松分布单光子源的量子比特率理论模型,给出了量子比特率的表达式,并对两种单光子源进行了比较分析。
3.
A single-photon source scheme based on entangled photon pairs from parametric down conversion is proposed, by means of which the single-photon quality is greatly improved, i.
提出了一种基于参量下转换纠缠光子对获得单光子源的实验方案,并对实验的光路、数据采集方面做了详细介绍。
补充资料：单光子
单光子
物理学术语。发生γ衰变的放射性核素的母核主要发生β-衰变，经过β-衰变的子核还有多余的能量，这部分多余的能量以光子的形式放出，所产生的γ光子是单方向的，也是单个的，故称为单光子。单光子的概念是相对于双光子而言的。在核医学领域中，单光子的检测远较双光子应用广泛。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条