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Article
Ants show that the conservation potential of afforestation efforts in Chinese valley-type savanna is dependent upon the afforestation method
China has the largest afforestation effort in the world, which was implemented in response to large-scale deforestation that has occurred over centuries. Although the outcomes for vegetation coverage are clear...
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Article
Ant diversity and bio-indicators in land management of lac insect agroecosystem in Southwestern China
The segregation of land-use intensity signifies an important change in land use in lac insect agroecosystem of Southwestern China. Farming conversions have led to a highly diversified landscape, with a mosaic ...
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Article
Jet Behavior and Metallurgical Performance of Innovated Double-Parameter Oxygen Lance in BOF
A doubleparameter oxygen lance used in a 300 t converter was designed to improve the metallurgical performance. A small-scale measurement of the jet behavior was done using a computer controlled scanning syste...
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Article
A triggering criterion of dislocation sources under Mode-I singular stresses
A triggering criterion is suggested to determine the instability of a dislocation source under Mode-I singular stresses. Two kinds of configurations are considered, including a crack and a wedge formed by clim...