specimen n jar 标本缸 ; 标本瓶
specimen n holder 样品夹 ; 标本夹
specimen n vial 标本管形瓶
specimen n trap 标本收集器
specimen n disc 样品盘
specimen n of birds 鸟类标本
This paper has introduced method of specimen preparation and structure showed about this Ti(C, N) based cermet. Its microstructure and TEM phase has been discussed and compared.
探讨了这种材料金相试样的制备方法、显微组织浸蚀剂的选择，并对其光学金相组织特征与TEM相进行了论述和对比。
One is called the S-N curve of surface fracture mode. It is governed by a crystal slip on the specimen surface, which occurs in the region of short fatigue life and high stress amplitude level.
一组叫做表面破坏模式的S-N曲线，它发生在高应力幅短寿命区，是由试样表面晶体滑移引起的。
Photochromic N methyl spirooxazine compound has been prepared. The specimen was characterized by 1H NMR and IR, and a preliminary study has been done on the photochromic properties.
合成了具有光致变色性能的化合物N 甲基螺恶嗪，对它进行了IR和1 H NMR表征，并对其光致变色性能进行了初步研究。
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