Results 101 to 110 of about 914 (180)

退化生态系统植被恢复过程中土壤微生物群落活性响应

open access: yesShuitu Baochi Xuebao, 2008
通过分析退化生态系统中主要植被恢复类型对土壤微生物群落活性的影响,探讨敏感和可靠的微生物群落活性响应指标,揭示适合当地生态条件的植被恢复类型。结果表明,沙米荒地、白沙蒿、柠条、沙冬青和人工乔木林地土壤微生物量C,N,P和微生物商、蔗糖酶、脲酶、过氧化氢酶、碱性磷酸酶均表现出显著差异 ...
毕江涛   +4 more
doaj  

Diagnosis and treatment for a case of Legionella longbeachae severe pneumonia and literature review. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban, 2021
Feng S, Luo P, Huang S, Ou Z.
europepmc   +1 more source

A case of Elizabethkingia meningoseptica septicemia. [PDF]

open access: yesZhejiang Da Xue Xue Bao Yi Xue Ban, 2023
Wu L, Ye T, Pan X, Hong L, Shi Y.
europepmc   +1 more source

北岳恒山地道黄芪营养特征及产地土壤理化性状研究

open access: yesShuitu Baochi Xuebao, 2005
通过对山西省北岳恒山地道黄芪主产区代表性土壤进行定点采样和分析,对地道黄芪产地土壤类型、物理性状、养分状况、营养吸收规律、土壤酶活性及微生物区系进行了研究。结果表明,地道黄芪主产地土壤发育不完全,成土母质为花岗片麻岩,土壤类型以粗骨性栗褐土和淋溶褐土为主,土壤质地为砂质壤土,土体通透性较好。另外产地土壤有机质、全氮和速效钾含量较高。营养分析结果表明,黄芪地下部分营养元素的浓度普遍都高于地上部分,而且是随着生长年限的增加,这种差异越大。另外,黄芪对N、K、Fe、Zn有明显的富集作用。土壤酶结果表明 ...
张强 程滨 董云中 郜春花 李彩萍 卢朝东
doaj  

[Effects of lunar soil simulant and Earth soil on lung injury in mice]. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Gong X   +8 more
europepmc   +1 more source

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