Results 141 to 150 of about 18,685 (204)

甲型H1N1流感病毒神经氨酸酶基因遗传进化分析

Zhongshan Daxue xuebao. Yixue kexue ban, 2010
【目的】 了解季节性H1N1流感病毒与2009年新型H1N1流感病毒神经氨酸酶(NA)基因的遗传进化关系,探讨甲型H1N1流感病毒的遗传变异规律65377;【方法】 分别从2006年和2009年流感病人标本中分离并鉴定出季节性HIN1流感病毒和新型H1N1流感病毒,用RT-PCR技术扩增了病毒NA基因全序列,并对其分子进化和重要功能位点的遗传变异进行了分析65377; 【结果】 2009年新型H1N1流感病毒与2006年季节性HIN1流感病毒比较,NA基因的同源性较低(77.9% ~ 78.8 ...
doaj  

[An investigation study on the technology and training level of ski patrol]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Bai P, Huai W, Yang Z, Zhou F, Guo X, Chen Z, Guan H, Bai J.   +7 more
europepmc   +1 more source

[Distribution of respiratory pathogens in patients with pneumonia in Yinzhou, Ningbo, 2015-2024]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Yang Z, Li S, Li X, Shen P, Sun Y, Lin H, Jiang Z, Zhan S, Liu Z.   +8 more
europepmc   +1 more source

[Epidemiological characteristics of respiratory syncytial virus infection in children in Nanchang and its correlation with climate environmental factors]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Luo XP, Chen Q, Li L, Zhu XH, Huang P, Wang J.   +5 more
europepmc   +1 more source

基于K-Means的时间季节反演识别方法 Time and Season Recognition Method via K-Means

, 2018
Jianwen Chen, Guanlei Xu
semanticscholar   +1 more source

[Analysis of demographic and clinical characteristics of 744 inpatients with osteoporotic vertebral compression fractures]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Zhang B, Ma W, Feng W, Wang Y, Zhuo H, Qiao Y, Liang H, Zhao Z.   +7 more
europepmc   +1 more source

[A preliminary analysis of the clinical characteristics of patients with temperature-sensitive temporomandibular joint disorder syndrome]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Hu Y, Ma B, Zhai X, Xu X, Wang Y, Li H, Hu M, Liu H, Jiang H.   +8 more
europepmc   +1 more source

腾冲青海酸性湖水质特征及季节性变化 The Water Quality Characteristics and Seasonal Changes of the Acidic Lake Qinghai Crater Lake in Tengchong

, 2017
付磊, 张虎才, 李华勇, 常凤琴, 朱梦姝, 毕荣鑫, 路志明, 段立曾   +7 more
semanticscholar   +1 more source

[Epidemiological characteristics of human metapneumovirus and risk factors for severe pneumonia in hospitalized children]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Wang YX, Lu SK, Huang KL, Cao LJ, Chu YJ, Niu B.   +5 more
europepmc   +1 more source

[Clinical study on reduction of posterior malleolar fractures via modified Rammelt transfibular approach]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Ji S, Lei J, Guo J, Liu D, Ge X, Hu J, Liu S, Sun Z.   +7 more
europepmc   +1 more source