• 2022-10-28 问题

    固相膜免疫测定中最常用的膜为 A: 醋酸纤维素膜 B: 硝酸纤维素膜 C: 玻璃纤维素(fiberglass)膜 D: 尼龙(nylon)膜 E: 聚偏氟乙烯

    固相膜免疫测定中最常用的膜为 A: 醋酸纤维素膜 B: 硝酸纤维素膜 C: 玻璃纤维素(fiberglass)膜 D: 尼龙(nylon)膜 E: 聚偏氟乙烯

  • 2022-06-06 问题

    advanced composites ( ) aggregate composite ( ) anisotropic ( ) carbon–carbon composite ( )ceramic–matrix composite ( )cermet ( ) continuous fiber ( ) discrete (chopped) fiber ( ) E- glass ( ) fiberglass ( ) fiber- reinforced composite ( ) hybrid ( ) interfacial strength ( ) isostrain ( ) isostress ( ) laminate ( ) matrix ( ) metal–matrix composite ( ) particulate composite ( ) polymer–matrix composite ( ) property averaging ( ) specifc strength ( ) strength- to- weight ratio ( ) whisker ( ) woven fabric ( )dispersion-strengthened metal ( )

    advanced composites ( ) aggregate composite ( ) anisotropic ( ) carbon–carbon composite ( )ceramic–matrix composite ( )cermet ( ) continuous fiber ( ) discrete (chopped) fiber ( ) E- glass ( ) fiberglass ( ) fiber- reinforced composite ( ) hybrid ( ) interfacial strength ( ) isostrain ( ) isostress ( ) laminate ( ) matrix ( ) metal–matrix composite ( ) particulate composite ( ) polymer–matrix composite ( ) property averaging ( ) specifc strength ( ) strength- to- weight ratio ( ) whisker ( ) woven fabric ( )dispersion-strengthened metal ( )

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