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抢救“土壤水库”实为黄土高原生态环境综合治理与可持续发展的关键

open access: yesShuitu Baochi Xuebao, 2000
现在全国上下深切关注着黄河的重大问题及其对策。其实问题的根源都出自人们对黄河流域尤其黄土高原自然资源的掠夺式开发,形成了“3个恶性循环”,广种薄收,薄收更广种,虽是罪魁祸首,但常反被忽视,致使生态环境脆弱,人民长期贫困,只有下游河床越淤越高,防洪大堤越筑越高,越高越险和断流历时越来越长,上溯速度越来越快2个恶性循环的危害才使人惊恐。不难看出 ...
朱显谟
doaj  

[Endoscopic characteristics of primary gastric lymphoma and prediction of treatment response]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Wei J   +8 more
europepmc   +1 more source

[Chinese expert consensus on the diagnosis, treatment and comprehensive management of very old or frail patients with diffuse large B-cell lymphoma (2025)]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi
Lymphoid Disease Group   +4 more
europepmc   +1 more source

[Pediatric burkitt lymphoma primarily involving the adenoids: a case report and literature review]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Li W, Wang X, Zhang J, Dou F.
europepmc   +1 more source

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