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9dma=21mh=80mSS=7.2m^2h=6m 答案40m^2 20m20m^2 1.3m48cm^21.2m780m^2 2.2m0.39dm^2 1.3m2000cm^2 5cm2.04dm^2 1.6dm1.44m^2 6.5m170m^2 1.6m10.8m^2 200m2000cm^2 2.7dm13m^2 5cm49.6dm^2 4m340cm^2 5dm1680m^21.2m
目的:探讨硫酸钙人工骨结合万古霉素对治疗慢性骨髓炎的临床疗效.方法:回顾性研究2016年3月至2018年2月收治的21例慢性骨髓炎患者,病程为7～68个月(平均14.5个月).在全身应用抗生素的配合下,局部行病灶彻底清创并充分填塞载有万古霉素的硫酸钙人工骨粉,观察局部伤口情况,定期复查X线片及化验炎症指标.结果:全部患者获得...
The utility model provides a storing and sealing device. The storing and sealing device is a sealing cavity and is characterized in that the storing and sealing device is composed of an inner shell, an outer shell, an inner sealing cover and an outer sealing cover, wherein a sealing cavity...
It is believed that cut flower industries use more than 201 types of chemicals to control pests and diseases. About 500 tons of residues per hectare per year are generated from a flower farm. These residues are mainly contaminated unwanted leaf and stem which are disposed of in various ways....