Results 91 to 100 of about 449 (142)

[Advances in oral and craniofacial bone regeneration modulated by stem cells and biomaterials]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Li Z   +6 more
europepmc   +1 more source

耕作措施对吉林省坡耕地玉米土壤团聚体腐殖质分布的影响

open access: yesShuitu Baochi Xuebao
目的为研究不同耕作措施对吉林省中部湿润区坡耕地玉米田土壤团聚体各粒级腐殖质分布与品质的影响,为优化区域耕作制度、土壤肥力提升提供理论支撑。方法以舒兰市典型坡耕地玉米田土壤为研究对象,以常规耕作(CT)为对照,设置秸秆全量覆盖还田免耕(NT)与秸秆全量还田条带旋耕(ST)2种保护性耕作模式,每种模式配套5个子处理(NT1/ST1,传统免耕/条耕;NT2/ST2:NT1/ST1+减肥+微生物制剂Ⅰ;NT3/ST3:NT2/ST2+秸秆促腐(微生物制剂Ⅱ);NT4/ST4:NT3/ST3+增密5%;NT5 ...
杨淼多   +6 more
doaj  

[Establishment of rabbit model of benign circumferential esophageal stricture]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Meng L, Huang Y, Yan X, Wang Y.
europepmc   +1 more source

[Clinical diagnosis and treatment strategies for malignant complex wounds]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Xia CD, Lei DD.
europepmc   +1 more source

~(13)C固体核磁共振技术检测PM_(2.5)中的总有机碳质组分 [PDF]

open access: yes, 2015
刘頔   +4 more
core  

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