An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Nie G, Zhang K, Liu J, Zhang L.Nie G, et al. Among authors: liu j.Ultrasonics. 2020 Dec;108:106176. doi: 10.1016/j.ultras.2020.106176. Epub 2020 May 26.Ultrasonics. 2020.PMID: 32504985
Pang Y, Gao JS, Liu JX.Pang Y, et al.Ultrasonics. 2014 Jul;54(5):1341-9. doi: 10.1016/j.ultras.2014.01.015. Epub 2014 Feb 11.Ultrasonics. 2014.PMID: 24560720
Pang Y, Liu YS, Liu JX, Feng WJ.Pang Y, et al.Ultrasonics. 2016 Apr;67:120-128. doi: 10.1016/j.ultras.2016.01.007. Epub 2016 Jan 16.Ultrasonics. 2016.PMID: 26836289
He H, Liu J, Yang J.He H, et al. Among authors: liu j.Ultrasonics. 2011 Dec;51(8):991-6. doi: 10.1016/j.ultras.2011.05.015. Epub 2011 Jun 7.Ultrasonics. 2011.PMID: 21705036
Fang XQ, Liu Y, Liu XL, Liu JX.Fang XQ, et al.Ultrasonics. 2015 Feb;56:444-8. doi: 10.1016/j.ultras.2014.09.011. Epub 2014 Sep 28.Ultrasonics. 2015.PMID: 25300234
He H, Liu J, Yang J.He H, et al. Among authors: liu j.IEEE Trans Ultrason Ferroelectr Freq Control. 2011 Oct;58(10):2050-5. doi: 10.1109/TUFFC.2011.2055.IEEE Trans Ultrason Ferroelectr Freq Control. 2011.PMID: 21989869
Wang G, Liu J, Feng W, Yang J.Wang G, et al. Among authors: liu j.Materials (Basel). 2020 Jul 13;13(14):3115. doi: 10.3390/ma13143115.Materials (Basel). 2020.PMID: 32668643Free PMC article.
Liu J, Fang D, Liu X.Liu J, et al. Among authors: liu x.IEEE Trans Ultrason Ferroelectr Freq Control. 2007 Jul;54(7):1287-9. doi: 10.1109/tuffc.2007.388.IEEE Trans Ultrason Ferroelectr Freq Control. 2007.PMID: 17718317
Liu J, Wang Y, Wang B.Liu J, et al.IEEE Trans Ultrason Ferroelectr Freq Control. 2010 Aug;57(8):1875-9. doi: 10.1109/TUFFC.2010.1627.IEEE Trans Ultrason Ferroelectr Freq Control. 2010.PMID: 20679017