Results 61 to 70 of about 565 (105)

[Clinical characteristics of congenital and acquired middle ear cholesteatoma in children]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Shao J   +9 more
europepmc   +1 more source

基于RUSLE模型和地理探测器的鄂西南土壤侵蚀脆弱性评价

open access: yesShuitu Baochi Xuebao
[目的] 水土流失是鄂西南突出的生态问题,合理评估该区域的土壤侵蚀脆弱性,并探究其驱动机制是采取有效水土保持措施的前提。[方法] 从人地耦合系统视角分析自然和社会经济因素对鄂西南土壤侵蚀的影响,从暴露度、敏感性和适应能力3个方面构建了鄂西南土壤侵蚀脆弱性评价指标体系,并采用综合赋权法确定指标权重。[结果] (1)2010—2020年鄂西南土壤侵蚀脆弱性总体上呈现先降低后升高的趋势,强烈及以上强度的土壤侵蚀脆弱性呈现零星的碎片化分布格局,且主要集中在鄂西南的中南部和东部宜昌市辖区的西部地区;(2 ...
杨严攀   +6 more
doaj  

[Analysis of hearing effects of three ossicular reconstruction methods in 123 cases of atticotomy surgery]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Qiao Y   +5 more
europepmc   +1 more source

[A case report of right sinonasal carcinosarcoma and literature review]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Leng H, Sun J, Wang A, Wang Y.
europepmc   +1 more source

侵蚀坡地果园不同生草方式对土壤和果树生长的影响

open access: yesShuitu Baochi Xuebao, 2007
采用径流小区法研究果园不同生草方式对土壤侵蚀、土壤肥力、果树生长、果实产量和品质的影响。结果表明,带状覆盖与敷盖、全园覆盖、带状覆盖3种不同的生草方式都能有效控制土壤侵蚀,且都有改良土壤肥力的效果;全园覆盖严重影响果树生长,其果实产量最低、品质最差;净耕处理尽管果树长势好、产量最高、品质较好,但土壤流失严重。综合分析认为,带状覆盖与敷盖措施是较好的侵蚀坡地果园生草方式,值得推广。
doaj  

[Multidisciplinary expert consensus on tophus damage grading and surgical treatment (2025 edition)]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Wound Repair Professional Committee of Chinese Medical Doctor Association.
europepmc   +1 more source

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