资讯
An effective method of separating fine magnetic and non-magnetic materials by a dry-type magnetic separator is presented. The principle is based on the combined effect of AC and DC magnetic fields.
“All of our lures get glitter, so it kind of adds a scalelike reflection,” Beaver said. “I love it. Things are going really well. Keeps me busy. I get to be creative. And I like fishing a ...
Character evolution in Fagus cupules appears to go from medium‐sized cupules with scalelike appendages, short peduncles, and unwinged nuts that are clearly longer than the cupule valves to either very ...
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