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这种美丽是一种经典概念：最简单的仪器和设备，最基本、最单纯的科学结论。其实，科学美蕴藏于各门学科的实验之中，有待于我们在学习过程中不断地感悟和发现。 在伽利略斜面实验中，伽利略将光滑直木板槽倾斜固定，让铜球从木板槽顶端沿斜面由静止滑下，并用水钟测量铜球每次下滑的时间，研究铜球的运动路程...
In a continuous electrocardiogram (ECG) record, metrics are calculated from the interval between two R peaks (RR interval) of the QRS complex (Fig. 1). However, this interval may include ectopic beats, mainly considered as artifacts, which should be excluded from the analysis. The “cleaned”...
If you have long QT syndrome, the trace of the QT section (showing part of the heartbeat) will be longer than normal. Sometimes an exercise ECG will be needed to confirm the diagnosis. What happens during the QT interval? The QT interval includes the QRS complex, the ST segment, and ...
Using a QR reader or a smartphone’s camera app decodes the complex patterns of a QR code, providing instant access to itsdata. Whether it’s connecting onsocial media, checking out aQR code menu, or making transactions, QRs facilitate speedy information exchange. ...
Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to ...
X-ray crystallography — an old technology at long last finding an application in ion channel research. Michael Sanguinetti. From our personal experience, the most important advance has been the determination of the three-dimensional structure of K+ channels by the MacKinnon group at Rockefeller ...
Grant, S.S.; Kim, K.; Friedman, B.H. How Long Is Long Enough? Controlling for Acute Caffeine Intake in Cardiovascular Research.Brain Sci.2023,13, 224. https://doi.org/10.3390/brainsci13020224 AMA Style Grant SS, Kim K, Friedman BH. How Long Is Long Enough? Controlling for Acute Caf...
ce_successful_csp_check [x2]Detects whether user behaviour tracking should be active on the website. Maximum Storage Duration: PersistentType: HTML Local Storage www.jisc.ac.uk 1 AWSALBCORSRegisters which server-cluster is serving the visitor. This is used in context with load balancing, in...
CTOCompagnie Téléphonique de l'Ouest(French: Telephone Company of the West) CTOCertified Television Operator(Society of Broadcast Engineers) CTOChief Telecommunications Officer CTOContrôles Techniques de l'Omois(French engineering company) CTOCombined Test Organization(US Army) ...