天然环状四吡咯化合物包括卟啉、卟吩、细菌卟吩、异菌卟吩以及可啉等类物质，其合成研究是目前有机合成领域的热点之一。
The synthesis of natural cyclic tetrapyrroles which include porphyrins, chlorins, bacteriochlorins, isobacteriochlorins and corrins is presently one of the most attractive fields in organic synthesis.
圆环状加热底盘，营建更广领域有用的日光浴场合。
Large circular emitter directs heat to increase basking area.
本发明涉及不饱和环状脂肪族碳酸酯单体及其聚合物的合成方法与用途，属于生物医用高分子材料领域。
This invention involves unsaturated cyclic aliphatic carbonate monomer and polymer synthesis and USES, and is biomedical polymer materials.
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