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轻稀土区Nd和Ce核的超形变带
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作者 罗亦孝 钟纪泉 +12 位作者 A.Kirwan D.J.G.Love P.J.Nolan R.Wadsworth P.J.Bishop M.J.Godfrey R.Hughes A.N.James I.Jenkins S.M.Mullins j.simpson D.J.Thornley K.L.Ying 《高能物理与核物理》 CSCD 北大核心 1989年第7期632-641,共10页
轻稀土区高自旋超形变的系统实验研究,首次发现了~133,134,137)Nd和^(131)Ce的超形变带,并证实和进一步研究了前已发现的^(135,136)Nd和^(132)Ce超形变带.本文叙述超形变带的实验寻找、指定和测量,并对所发现的超形变带的馈入、退激、... 轻稀土区高自旋超形变的系统实验研究,首次发现了~133,134,137)Nd和^(131)Ce的超形变带,并证实和进一步研究了前已发现的^(135,136)Nd和^(132)Ce超形变带.本文叙述超形变带的实验寻找、指定和测量,并对所发现的超形变带的馈入、退激、转动惯量、相对强度和结构的系统性进行了讨论. 展开更多
关键词 轻稀土区 原子核 超形变带
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Comparison of the‘Seattle’and‘International’Criteria Electrocardiogram Interpretation in Division II Female Collegiate Athletes:A Preliminary Study
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作者 Ludmila Cosio-Lima N.Kumar Brooke +3 位作者 L.Adlof j.simpson A.Crawley Y.Lee 《Journal of Science in Sport and Exercise》 CSCD 2023年第3期274-279,共6页
Purpose A 12-lead electrocardiogram(ECG)is a screening tool to detect abnormalities that may predispose athletes to sud-den cardiac death.Newer standardized criteria have been introduced to better interpret ECG data,h... Purpose A 12-lead electrocardiogram(ECG)is a screening tool to detect abnormalities that may predispose athletes to sud-den cardiac death.Newer standardized criteria have been introduced to better interpret ECG data,however this research has predominantly focused on male athletes.It is important to include female athletes in research to better define ECG character-istics in this population.The purpose of this study was to compare the Seattle and International Criteria ECG abnormalities in Division II female collegiate athletes of various ethnicities.Methods Fifty-six females(age 20.2±1.4 years;height 1.70±0.7 m;weight 69.5±8.9 kg)completed a resting 12-lead ECG protocol.ECG data was classified as‘normal’and‘abnormal’according to the parameters of each criterion and abnormal conditions were noted.Chi-square analysis was used to assess statistical comparisons between criteria.Results There was a significant difference in abnormal classifications as the total number of ECGs identified as abnormal using the Seattle Criteria decreased from 12(21.4%)to 2(3.6%)when using the International Criteria(P<0.05).African American athletes had a higher number of abnormal ECG’s compared to White and Latina athletes using the Seattle Criteria(P=0.03).Conclusions The International Criteria significantly reduces the total number of abnormal ECG readings in female collegiate athletes compared to the Seattle Criteria and did not overly identify African American athletes with abnormalities.Further research is necessary to expand on this study and clearly define criteria for female athletes of various ethnicities. 展开更多
关键词 12-lead ECG Female athletes Sudden cardiac death ECG abnormalities
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