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1)  lateral free-jet expansion
自由喷流向膨胀
2)  Free expansion
自由膨胀
1.
Strain characteristics of different expansion factors(such as free expansion,confined expansion and effective expansion,etc) and the influential factors are analyzed.
通过对自由条件下的4种不同配合比自应力混凝土和11组不同配合比、不同尺寸的自应力钢管混凝土进行连续观测,讨论了不同条件下混凝土结构所产生的自应力变化规律,分析了自应力混凝土的自由膨胀、限制膨胀和有效膨胀等应变特点及其影响因素。
3)  freely expanding ring
自由膨胀环
1.
Super-high strain rate impact tensile testing data of some resin matrix composite,such as Kevlar,glass and carbon fibers reinforced composites,were obtained by freely expanding ring experiment in which shaping of explosive cylinder and design of sample rings were optimized,and .
通过自由膨胀环实验,得到了一些芳纶纤维、玻璃纤维、碳纤维等增强的树脂基复合材料在超高压应变率下的冲击拉伸试验数据,在实验中应用了简便的应变片电测技术,并优化了装药和试样环的设计。
4)  free-expansion rate
自由膨胀率
1.
The results showed that retarder used together with sulfoaluminate expansion agent can reduce restrained-expansion rate of expansion agent, and increase its early stage free-expansion rate and expansion index, as a result reduce its efficient expansion energy.
结果表明:缓凝剂和硫铝酸盐型膨胀剂复合使用时,会降低膨胀剂的限制膨胀率,增大其早期自由膨胀率及膨胀指数,从而降低其有效膨胀能。
2.
The results showed that the synergy effect of retarders used together with superplasticizers can reduce the restrained-expansion rate and free-expansion rate of ulfo-aluminate expansive agents mortar specimens in water or air curing condition,but the expansion indexes of mortar specimens at .
结果表明:缓凝剂与高效减水剂的协同效应会降低硫铝酸盐型膨胀剂在水中养护和空气中养护条件下的限制膨胀率、自由膨胀率,增大膨胀剂砂浆水养28 d的膨胀指数,从而降低了硫铝酸盐型膨胀剂有效膨胀能的利用。
3.
The results showed that superplasticizer used together with sulfo-aluminate expansive agents can reduce restrained-expansion rate of expansive agent,and drop free-expansion rate mixing naphthalene series and amino sulfonic,increase expansion index,so resulting in the reduction of efficient expansion energy of expansive agent.
结果表明:高效减水剂和硫铝酸盐型膨胀剂复合使用时,会降低膨胀剂的限制膨胀率,降低复掺萘系和氨基的自由膨胀率,增大膨胀指数,从而降低其有效膨胀能。
5)  free swelling ratio
自由膨胀率
1.
Effect of soil sample preparation on free swelling ratio and its improved measures;
土样制备对自由膨胀率的影响及其改进方法
2.
Free swelling ratio is an important index for the identification and classification of expansive soils,and it s meaningful to research the relationship between the free swelling ratio and the architectural characteristic of expansive soils.
自由膨胀率是膨胀土判别和分类的一项重要指标,研究自由膨胀率特征与膨胀土结构特性关系有着重要意义。
3.
among selling ratio ( δ_(ep) ),swelling force ( P_e), and free swelling ratio ( δ_(er)).
具有膨胀土工程地质性质的粘性土,膨胀试验指标有时会表现为不协调性,膨胀率(δep)、膨胀力(Pe)、自由膨胀率(δef)指标显示不出膨胀性能的一致性。
6)  free swell
自由膨胀率
1.
Influential factors on free swell test;
自由膨胀率试验的影响因素
补充资料:激光喷码机与喷墨喷码机的比较
喷印的图案文字和数码主要包括生产日期、有效期、批号、条形码以及商标图案。防伪标记和中文字样等,是贯彻卫生法和促进包装现代化强有力的设备。

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