弯曲加载是需要最小力及最少能耗使塑性土壤破碎的一种有效的加载方式。
Loading plastic soils into bending is an effective method of causing soil fracture with both minimum force and energy requirements.
他们建造了成千上万的圆形石质防风林并在其中种植花草,还用破碎的火山岩来保持土壤湿润。
They built thousands of circular stone windbreaks and gardened inside them, and used broken volcanic rocks to keep the soil moist.
沟壑密度是反映地表破碎程度的重要因子,在土壤侵蚀、地貌演变等研究中有重要作用。
Ravine density, which is an important factor indicating the extent of the fragmentation of the Earth surface, plays a significant role in the research of soil erosion and landform evolution, etc.
川中丘陵区地表以紫色沙页岩风化形成的紫色土壤为主,基岩风化剥蚀过程与流失过程交替进行。该区垦殖率高,植被盖度低,地形破碎,土地利用结构复杂,土壤侵蚀严重。
Soil in hilly regions in the middle of Sichuan Province is mainly a type of purple soil which has been developed from the purple shale rock.
考察了研磨法、有机溶剂法和超声波破碎法对根瘤土壤杆菌细胞破碎的影响。
In this paper, the effects of milling, disruption with organic solvent and ultrasonic on disruption of Agrobacterium tumefaciens KY-3085(ATCC 4452) Strain were compared.
考察了研磨法、有机溶剂法和超声波破碎法对根瘤土壤杆菌细胞破碎的影响。
In this paper, the effects of milling, disruption with organic solvent and ultrasonic on disruption of Agrobacterium tumefaciens KY-3085(ATCC 4452) Strain were compared.
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