Results 101 to 110 of about 2,436 (150)

长江中游地区土地利用变化阶段划分和特征测度

open access: yesShuitu Baochi Xuebao
[目的] 基于经济社会发展转型视角,探究长江中游地区土地利用变化的总体特征、过程特征和轨迹特征。 [方法] 通过分析变化幅度、变化速度和地学信息图谱等特征。[结果] (1)2000—2018年,长江中游地区经济社会发展可划分为"由初级产品生产阶段II期向工业化中期转型,城镇化缓慢发展与人口严重外流期"和"由工业化中期向工业化后期转型,城镇化稳步发展与人口持续回流期"2大阶段。(2)就变化总体特征而言,以耕地面积持续减少,水域和建设用地面积持续增加,林地、草地、湿地面积明显减少 ...
张超正   +5 more
doaj  

[Change from Sjögren syndrome to Sjögren disease]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Liu Y, Shi G.
europepmc   +1 more source

一种可交替运行的人工湿地 [PDF]

open access: yes, 2019
代嫣然, 唐海滨, 梁威, 王飞华
core   +1 more source

[Analysis of Plasma Metabolic Profile Characteristics in Gouty Arthritis With Dampness Syndrome]. [PDF]

open access: yesSichuan Da Xue Xue Bao Yi Xue Ban
Zhu F   +9 more
europepmc   +1 more source

[Researches and clinical translation of smart dressings]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Lyu GZ, Zhao P.
europepmc   +1 more source

一种复合垂直潮汐流人工湿地装置 [PDF]

open access: yes, 2018
吴振斌   +6 more
core   +1 more source

[Expert consensus on monoclonal antibody immunoprophylaxis against respiratory syncytial virus in infants and young children in tropical and subtropical regions of China]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Subspecialty Group of Neonatology   +4 more
europepmc   +1 more source

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