Results 21 to 30 of about 1,887 (165)
This study evaluates the effectiveness of three environmental DNA sampling approaches–water eDNA, air eDNA, and leech‐derived iDNA–for surveying vertebrate diversity in the Gaoligong Mountains of southwest China. Using five metabarcoding primer sets, we detected 235 vertebrate species.
Yunyu Wang +6 more
wiley +1 more source
金沙江干热河谷元谋盆地冲沟发育,冲沟侵蚀蚕食耕地、最终形成侵蚀劣地,对土地资源危害很大。根据对9条冲沟17个沟头连续3年的观测与调查资料。分析了元谋盆地土地利用/土地覆盖对冲沟侵蚀的影响,包括冲沟集水区不同土地利用方式、植被群落结构对冲沟溯源侵蚀的影响和沟底植被覆盖度对冲沟溯源侵蚀的影响。
范建容 刘淑珍 周从斌 王小丹 朱宏业 朱波
doaj +2 more sources
A New Method to Estimate the Cover Management Factor on the Loess Plateau in China [PDF]
[Objective] To investigate the combined effect of crop cover and crop management practices on preventing soil loss and improving the accuracy of C-factor estimation. [Methods] Six millet plots with different treatments, i.
LI Qinglan +4 more
core +1 more source
孔等大同圆,直径约3.0mm,对光反射灵敏。双眼球活动灵活,无眼震。双侧鼻唇沟等深对称,伸舌居中。双侧软腭上抬尚可,悬雍垂居中,咽反射存在。四肢肌力5级,双上肢肌张力正常,双下肢肌张力稍增高,双侧指鼻及跟膝胫试验欠稳准,昂伯氏试验(+),双侧腱反射对称引出,感觉检查未见异常。病理反射未引出。无项强,克氏征阴性。辅助检查:头部MRI平扫+DWI(2020-04-15)双侧小脑半球、桥脑及延髓体积变小,局部脑沟增宽(见图1)。头部MRI平扫+DWI(2020-10-26)脑桥及延髓变细 ...
门玉娇, 刘晶瑶, 吴慧君
doaj
Effect of Reforestation Tree Species on the Distribution and Stability of Purple Soil Aggregates [PDF]
[Objective] Afforestation following the Grain for Green initiative is a crucial measure to improve soil structure and reduce soil erosion. Understanding the mechanisms of the effects of afforestation tree species on the formation of soil aggregates can ...
HAN Guangzhong +4 more
core +1 more source
目的调查我院临床分离的阴沟肠杆菌耐药性变化特点,为临床合理使用抗菌药物提供依据。方法菌株鉴定采用Vitek-AMS鉴定,药敏试验采用纸片扩散法。结果阴沟肠杆菌对头孢菌素类、喹诺酮类等多种抗菌药物呈现耐药性增高。对头孢他啶与头孢噻肟的不敏感率为45.3%及52.9%。头孢吡肟、亚胺培南,仍然对阴沟肠杆菌保持较高活性。结论阴沟肠杆菌已呈现出多重耐药性,因此临床应有效地合理选择使用抗生素。
李岩 +4 more
doaj
Evolution Characteristics of Soil and Water Conservation Carbon Pool and Its Carbon Sink Potential in Typical Small Watershed of the Loess Plateau [PDF]
[Objective] To investigate the evolution of soil carbon pool under catchment scale integrated soil and water conservation measures and evaluate the potential of soil and water conservation carbon sink. [Methods] Typical small watershed for soil and water
DONG Pengbei +5 more
core +1 more source
Æ E Æ Å – Reshaping the Role of Træna Fishermen
This diploma project aims to strengthen the viability of Træna’s community by proposing an ocean research facility in the archipelago, enabling the next generation of local fishermen to collect oceanographic data while working at sea. The idea of the fisherman as oceanographer is inextricably linked to the architectural program on the island of ...
openaire +1 more source
Analysis of Soil Erosion Intensity Change Trajectories and Their Driving Factors in Yunnan Province Based on An Improved Stability Mapping Method [PDF]
[Objective] To elucidate the change trajectories of soil erosion intensity in Yunnan Province from 1990 to 2022, and analyze the types of changes and their driving factors, in order to provide a scientific foundation for effective soil erosion control ...
HUANG Bangmei +4 more
core +1 more source
文章梳理了影戏行当的历史沿革,并由此提出:影戏行当存在的两个系统,一个是从人物身份进行区分的类型划分,一个则来源于戏曲行当制。前者在当前各地影戏中处于较为隐性的状态,少为人知。二者在影偶雕刻、造型装扮、表演、剧本编创等方面发挥了各有侧重的作用,并存于影戏之中 ...
张冬菜
core

