Results 111 to 120 of about 155,067 (152)

塔里木沙漠公路防护林造林树种生长动态研究

open access: yes, 2006
2005年测定了塔里木沙漠公路防护林塔中段不同年龄防护林造林树种的树高、冠幅、基径及分蘖数,依据不同年龄的防护林植物的形态指标建立其生长方程。分析表明,梭梭和沙拐枣的树高、冠幅、基部截面积,柽柳的冠幅生长过程都符合对数型增长,用对数方程可以进行很好的模拟;柽柳的树高和基部截面积生长符合Logistic增长模型,可以用Logistic方程进行很好的模拟。依据测定的形态指标,建立了三种防护林植物生长的数学模型 ...
许浩, 李涛, 姬学龙, 秦伟春
core  

[Expert consensus on the clinical management of therapeutic hypothermia for neonatal hypoxic-ischemic encephalopathy (2026)]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Evidence-Based Medicine Group   +2 more
europepmc   +1 more source

[Clinical characteristics and outcomes of neonatal dengue fever in Foshan]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Luo FJ   +10 more
europepmc   +1 more source

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