With an electromagnetic pump , at given cooling condition, the first discovery of spike-like crystals growth interface morphology and formative conditions of Al-4.
5Cu合金柱状晶的穗状晶生长区域并观察到其形态 。
This paper investigated the effects of light intensity, pH and temperature on the photosynthesis of Myriophyllum spicatum L.
本文研究了温度、光照和pH值对穗状狐尾藻(Myriophyllum spicatum L。
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