Results 101 to 110 of about 30,612 (170)

Virology [PDF]

open access: yes, 2007
吉田 与志博   +4 more
core   +3 more sources

[The effect of surface modification strategies on biological activity of titanium implant]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Yang K, Song C, Ma Z, Wang J.
europepmc   +1 more source

樟子松人工林土壤养分、微生物及酶活性的研究

open access: yesShuitu Baochi Xuebao, 2005
对章古台不同林龄樟子松人工林土壤养分、微生物及酶活性进行了测定和分析,结果表明:各林地的土壤养分、微生物和酶活性均表现出差异。与健康林相比,出现生长衰退林地土壤样品的养分指标、微生物和酶活性均有显著程度的降低,表明土壤地力已出现严重衰退。土壤微生物数量、酶活性与土壤养分间呈显著相关关系,可作为评价土壤肥力的指标。解决当前人工林退化的主要措施是因地制宜进行间伐或轮伐,改善林地微生态条件,尽量避免营造人工纯林,建议营造混交林。
doaj  

[Oral homeostasis imbalance under hypoxia]. [PDF]

open access: yesHua Xi Kou Qiang Yi Xue Za Zhi
Xu Y, Wang S, Zhou J.
europepmc   +1 more source

[Study on the intervention of platelet biological activity by ultrasound]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi, 2021
Liu T, Yang F.
europepmc   +1 more source

Pharmacognosy [PDF]

open access: yes, 2008
岩島 誠, 李 貞範, 林 利光
core   +1 more source

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