Directly , it will affect the dry mortar products store life and performance 否则将会影响干粉砂浆的储存时间和干粉砂浆的性能。
The storage time of the rawhide can not be too long , its difficulty of handling rawhide which compare with the others 生皮系指未脱毛的阶段。采生皮由于储存时间较短,所以难度较后两项为高。
Observe screen can renew automaticly according to actual information through inputting signal . storage time of specified variability history trend shall be checked and preserved 20 - 30days 通过输入信号,观察画面能按实时信息自动更新,对设计指定的变量进行历史趋势系统储存时间检查,应能保存20 - 30天。
Evaluation of glass fiber / epoxy prepreg , aramiel fiber / epoxy prepreg and glass fiber / phenolic prepreg quality during storage was made using physicochemical analysis methods . the relation between reactive groups content in resin matrix and exposure temperature and time was studied . the changes of the mechanical properties of the composites made by the prepregs at different stages of the storage were shown 研究了玻璃纤维环氧树脂预浸料、芳纶纤维环氧树脂预浸料以及玻璃纤维酚醛树脂预浸料在储存条件下,树脂基体活性基团含量与储存温度、储存时间的关系及对复合材料力学性能的影响,取得了预浸料体系的质量控制参数。