化学成分是NaHCO3。小苏打是一种晶粒状的白色细粉末；
With a chemical formula of NaHCO3, baking soda is a white powder with crystalline grains.
加载变形过程中，样品表面形成的马氏体和晶粒状浮雕具有可逆性。
The formation of granular relief and martensite on the specimen surface seems to be reversible during deformation under loading.
经过固溶处理后，焊缝组织晶粒变大，焊缝区和母材区弥散分布着大量的颗粒状析出物。
After solution treatment, the weld grains become coarse along with a large amount of granular precipitates dispersed in weld zone and base metal zones.
结果表明磁铁矿的粒度粗细不均，多数硼镁石的粒度细，常以微晶粒状集合体与磁铁矿和蛇纹石共生。
The result indicated that granularity magnetite was uneven. Most of Ascharite particles is fine and intergrowth with magnetite and Zermattite.
结果表明磁铁矿的粒度粗细不均，多数硼镁石的粒度细，常以微晶粒状集合体与磁铁矿和蛇纹石共生。
The result indicated that granularity magnetite was uneven. Most of Ascharite particles is fine and intergrowth with magnetite and Zermattite.
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