Shuitu Baochi Xuebao[目的] 探究山东半岛与黄河几字弯两大区域的土地生态安全水平差异,为实现黄河流域生态保护与高质量发展,推动"共同抓好大保护,协同推进大治理"战略提供现实依据。[方法] 运用熵值法、核密度估计、马尔科夫链与障碍因子模型等方法,对黄河流域两大区域的土地生态安全进行动态评价。[结果] (1)在水平变化上,两大区域的土地生态安全增速均呈"倒U"形态势,山东半岛的土地生态安全水平明显高于黄河几字弯,但黄河几字弯的增长速度更快。(2)在时间上,两大区域土地生态安全均呈现"单核"演变特征,山东半岛区域差异有扩大态势 ...
韩琭, 陶德鑫, 史鲁彦
doaj
[Advances in early repair and reconstruction of severe limb injuries]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiXu Y.
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Activities of the Women’s Safety Team “Abelia” and their theoretical background [PDF]
departmental bulletin ...
21863 +3 more
core
[Application of pectoralis major fascia in robotic nipple-sparing mastectomy with immediate breast reconstruction with gel implant]. [PDF]
Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za ZhiChen K, Lyu PW.
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Materials: Issued by the Supreme People’s Court, Supreme People’s Procuratorate, Ministry of Public Security and the Ministry of Civil Affairs, “Opinions on Several Issues Concerning Legal Response to the Infringement of Minors’ Rights and Interests by Guardians” [PDF]
, 2021 劉 偉, 橋本 有生
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[Interpretation of Standard on Clinical Dental Treatment for Children under General Anesthesia Orsedation]. [PDF]
Hua Xi Kou Qiang Yi Xue Za ZhiZhang Q, Zou J.
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[Current status and future directions of stability reconstruction following spinal tumor resection]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiZhou J, Dong J.
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Dianci bileiqi, 1988 为保障人身安全,日本的高压配电线路采用绝缘导线,绝缘导线受雷击而烧损的事故与日俱增,其原因是雷击穿导线绝缘层,续流电弧流过击穿处而烧熔。为此,发展了带ZnO阀片的限流招弧羊角,可遮断续流防止导线熔断。在使用裸导线时 ...
doaj
[Case of tooth autotransplantation with robotic surgery assistance]. [PDF]
Hua Xi Kou Qiang Yi Xue Za ZhiLiu Y +6 more
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