This paper has mainly studied the properties of HTPB and of blending adhesive improved by EP, 123 resin and nano materials .
主要研究了丁羟胶性能及其采用环氧胶、纳米材料、12 3树脂等改性后胶的拉伸性能、扯断伸长率。
Epoxy encapsulating materials grafted and modified with polyurethane (PU) was prepared by reaction of -nco-terminated PU prepolymer with epoxy resin (ep).
以异氰酸酯封端的聚氨酯预聚体(PU)与环氧树脂(EP)发生反应，制备了聚氨酯接枝改性环氧灌封材料。
The formation of the materials which exhibit better EP and antiwear ability was proposed by means of the mechanochemical principle.
应用机械化学原理，讨论了这些具有优良抗磨作用物质的形成过程。
The static performance of EP-EPS cushioning packaging materials renders non-linear curve, the basic shape is similar to the tangent curve.
EP -EPS缓冲包装材料的静态性能呈现非线性曲线的特性，基本形状与正切曲线相类似。
Materials and Methods: 25 cases of clinically suspected EP were observed by Color Doppler Ultrasonography.
材料与方法：应用彩色多普勒超声显像法对25例可疑异位妊娠患者进行观察。
Materials and Methods: 25 cases of clinically suspected EP were observed by Color Doppler Ultrasonography.
材料与方法：应用彩色多普勒超声显像法对25例可疑异位妊娠患者进行观察。
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