F. h.

英

美

[医] 制成顿服剂

For quality problem of the productions that produced by the product line of H. F. for inner grooved copper tube that was imported by a corporation in JiangSu province, the technologies of manufacture and the microstructure of the tube welding with poor quality for H. F.
针对国内某公司引进的高频焊接内螺纹铜管生产线的产品质量问题，本课题对高频焊接内螺纹铜管的生产技术与存在质量问题的内螺纹铜管焊缝微观组织做了较为深入的研究。
Isolation and identification of sanchinoside b_1 and b_2 from rootlets of Panax notoginseng ( burk.) F. h. Chen
三七绒根中皂甙B1及B2的分离和鉴定
Saponins with Low Sugar Chain from the Leaves of Panax notoginseng ( Burk) F. H. Chen
三七叶中低糖链皂苷的分离与鉴定
Panax notoginseng ( Burk) F. H. Chen is one of the most famous Chinese traditional medicinal plants, which belongs to Panax genus under Araliaceae family.
三七（panaxnotoginseng（Burk）F.H.Chen）是五加科人参属多年生草本植物，是我国传统的名贵中药材之一。
Studies on the Saponins in the Fruit Pedicels of Panax notoginseng ( Burk.) F. H. Chen ( continue)
三七果梗皂甙成分的研究（续）
In the early period of 20th century, the western plant hunter F. Mayer, botanical explorer H. Smith, foresters Norman Shaw and W.
20世纪早期，西方植物采集者梅耶、植物学考察者史密斯、林学家罗德民和肖记述了华北毁林垦荒的严重后果。