Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Zi-Yu Shen"'
Publikováno v:
Remote Sensing, Vol 13, Iss 15, p 2972 (2021)
The present Global Navigation Satellite System (GNSS) can provide at least double-frequency observations, and especially the Galileo Navigation Satellite System (Galileo) can provide five-frequency observations for all constellation satellites. In th
Externí odkaz:
https://doaj.org/article/c972eefc665e4a9bbc8b2f41fcc93506
Autor:
Zong-Tang Zhang, Yan-Hao Wang, Wen hua Gao, Yu He, Bin-Hui Ma, Ze Liu, Zi-Yu Shen, Ze-Lin Zhou
Publikováno v:
SSRN Electronic Journal.
Publikováno v:
Chinese Medical Journal. 119:1910-1914
Background Since October 1997, an international standard for hepatitis C virus (HCV) nucleic acid amplification technology assay, 96/790, has been available. We compared a series of lyophilized standards with known HCV RNA concentrations against the
Publikováno v:
Chinese medical journal. 121(11)
BACKGROUND As with many studies carried out in European countries, a quality assurance program has been established by the National Center for Clinical Laboratories in China (NCCL). The results showed that the external quality assessment significantl
Publikováno v:
Zhonghua gan zang bing za zhi = Zhonghua ganzangbing zazhi = Chinese journal of hepatology. 15(2)
To establish a Chinese national standard for a nucleic acid test (NAT) for HBV DNA.The candidate sample of HBV DNA positive plasma was diluted with HBV-negative human plasma. The sample was lyophilised with a concentration of approximately 300,000 co