Results 111 to 120 of about 81,680 (150)

[Distribution characteristics and results of allergens in patients with allergic rhinitis in Ningxia area]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi, 2023
Zhang Y   +9 more
europepmc   +1 more source

长江上游植被覆盖的时空分异季节变化及其驱动因子研究

open access: yes, 2009
以GIMMS/NDVI为基础,结合气候与人类活动数据,研究了1982~2003年间长江上游植被覆盖季节变化的空间分布.结果表明,近22年来,长江上游春季、夏季植被覆盖呈增加趋势,以春季最显著;秋季、冬季植被覆盖呈降低趋势,以秋季降低最显著.春季、夏季降雨与气温的同步增加,致使植被覆盖增加;秋季降雨减少,以及气温的增加导致植被覆盖降低;另外,作物播种面积的增加是春季、夏季植被覆盖增加,秋季、冬季植被覆盖减少的重要原因.春季→夏季→秋季→冬季NDVI增加的区域在空间上大致呈现低纬度向高纬度转移的趋势.春季 ...
廖建华   +3 more
core  

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

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Yang Z   +8 more
europepmc   +1 more source

[Research status and hotspots of seasonal allergic rhinitis based on CiteSpace visualization analysis]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Tian H, Zhu D, Zhao B, Liu X, Meng C.
europepmc   +1 more source

Solar power for maternal and neonatal care after the Jajarkot earthquake, Nepal. [PDF]

open access: yesBull World Health Organ
Rana S   +5 more
europepmc   +1 more source

Molecular epidemiological characteristics of the virus in 96 children with acute diarrhea in Changdu of Tibet, China. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi, 2022
Mao JW   +7 more
europepmc   +1 more source

Risk factors for food sensitization in children with atopic dermatitis: a single-center cross-sectional study. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi, 2022
Wang D   +6 more
europepmc   +1 more source

[Personal nitrogen oxides exposure levels and related influencing factors in adults over 35 years old in Tianjin and Shanghai]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Pang B   +15 more
europepmc   +1 more source

[Association of Haemophilus influenzae infection with environmental and climatic factors in Suzhou, China]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi, 2022
Huang F   +7 more
europepmc   +1 more source

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