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兰州地区438例哮喘儿童过敏原皮肤点刺试验结果
期刊论文
中华临床免疫和变态反应杂志, 2021, 卷号: 15, 期号: 04, 页码: 384-389
Authors:
那飞扬
;
王金萍
;
郭丽
;
杨辉
;
王雁南
;
徐燕
;
李桂荣
;
梁譞
;
张蓉芳
Favorite
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View/Download:27/0
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Submit date:2021/12/22
支气管哮喘
过敏原皮肤点刺试验
花粉
High expression of survivin predicts poor prognosis in cervical squamous cell carcinoma treated with paclitaxel and carboplatin
期刊论文
MEDICINE, 2019, 卷号: 98, 期号: 20
Authors:
Zhang, Yunzhong
;
Yan, Hong
;
Li, Ruiping
;
Guo, Yuzhen
;
Zheng, Rongfang
Favorite
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View/Download:16/0
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Submit date:2019/10/10
carboplatin
cervical squamous cell carcinoma
efficacy
paclitaxel
survivin
The impact of urbanization and climate change on ecosystem services: A case study of the city belt along the Yellow River in Ningxia, China
期刊论文
Computers, Environment and Urban Systems, 2019, 卷号: 77
Authors:
Lyu, Rongfang
;
Clarke, Keith C.
;
Zhang, JM(张建明)
;
Jia, Xuehui
;
Feng, Junli
;
Li, Jijun
Adobe PDF(2216Kb)
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View/Download:16/0
  |  
Submit date:2020/08/20
Ecosystem services
Climate change
Land use change
Trade-offs
Scenario prediction
兰州地区急性呼吸道感染患儿冠状病毒NL63的检测与临床研究
期刊论文
中华实验和临床病毒学杂志, 2012, 卷号: 26, 期号: 6, 页码: 409-411
Authors:
金玉
;
张蓉芳
;
谢志萍
;
高寒春
;
闫坤龙
;
原新慧
;
宋靖荣
;
侯云德
;
段招军
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View/Download:75/0
  |  
Submit date:2016/09/12
呼吸道感染
冠状病毒属
逆转录聚合酶链反应
儿童保健服务
On the Allocation of Redundancies in Series and Parallel Systems
期刊论文
COMMUNICATIONS IN STATISTICS-THEORY AND METHODS, 2011, 卷号: 40, 期号: 6, 页码: 959-968
Authors:
Li, XH
;
Yan, RF
;
Hu, XX
;
Li, XH (reprint author), Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Peoples R China.
Adobe PDF(464Kb)
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View/Download:48/0
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Submit date:2015/12/16
Concave distribution
Increasing concave order
Reversed hazard rate order
Stochastic precedence order
随机序及年龄概念在可靠性理论中的一些应用
学位论文
博士, 兰州: 兰州大学, 2009
Authors:
颜荣芳
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View/Download:8/0
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Submit date:2019/01/18
随机年龄概念
退化模型
超优序
比例失效率模型
冗余分配
随机序
随机占优序
强随机占优序
顺序统计量
样本间隔
Evaluating a warm standby system with components having proportional hazard rates
期刊论文
OPERATIONS RESEARCH LETTERS, 2009, 卷号: 37, 期号: 1, 页码: 56-60
Authors:
Li, XH
;
Yan, RF
;
Zuo, MJ
;
Li, XH (reprint author), Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Peoples R China.
Adobe PDF(980Kb)
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View/Download:23/0
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Submit date:2015/12/16
Binomial distribution
Heterogeneity
Failure rate
Majorization order
Order statistics
Reliability
Stochastic order
Warm standby
急性呼吸道感染患儿人副流感病毒3型检测及临床研究
期刊论文
中国实用儿科杂志, 2008, 期号: 12, 页码: 901-904
Authors:
张蓉芳
;
金玉
;
耿新林
;
刘宗燕
;
原新慧
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View/Download:43/0
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Submit date:2016/09/12
急性呼吸道感染
人副流感病毒
基因
套式逆转录聚合酶链反应
儿童
股票投资者选择买卖时机的数学模型
期刊论文
西北师范大学学报(自然科学版), 1996, 期号: 1, 页码: 2
Authors:
颜荣芳
;
周林芳
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  |  
View/Download:24/0
  |  
Submit date:2016/07/28
股票的价值
价格-盈利比率
股利估价模型
论投入产出技术在抑制通货膨胀中的运用
期刊论文
科学·经济·社会, 1995, 期号: 4, 页码: 4
Authors:
贺也平
;
颜荣芳
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View/Download:43/0
  |  
Submit date:2016/07/28
投入产出技术:8461
抑制通货膨胀:2957
直接消耗系数矩阵:2765
投入产出比:2029
完全消耗系数:1924
间接消耗系数:1305
价格上升:860
产品价格:802
供求关系:761
总产出:723