海胆也许最出名的是它们的刺甲。
Sea urchins are perhaps best known for their armor of spines.
海胆也许最出名的是它们的刺甲。
Sea urchins are perhaps best known for their armor of spines.
以二苯醚与苯甲酰氯为原料，合成了一种新型的激光光敏刺——4 -苯氧基二苯甲酮(PBZP)。
A new photoinitiator, 4-phenoxy benzophenone (PBZP), was synthesized and characterized using diphenyl ether and benzoyl chloride as raw material.
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