English
全部
搜索
图片
视频
地图
资讯
更多
购物
航班
旅游
笔记本
Top stories
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
过去 7 天
时间不限
过去 1 小时
过去 24 小时
过去 30 天
最佳匹配
最新
生物通
7 天
通过掺入再生发泡聚苯乙烯定制可持续轻质隔热ECC用于结构应用 ...
本文综述了将废弃发泡聚苯乙烯(EPS)掺入工程水泥基复合材料(ECC)中,开发兼具优异隔热性能、抗压强度和延性的轻质ECC(LW-ECC)的研究。研究通过宏-细-微观实验证实,以75%体积比替代硅砂为最优方案,所得材料抗压强度达39.9 MPa,拉伸应变能力达9.6% ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
今日热点
Louvre heist: Two arrested
Sign 'historic' peace deal
Indicts dozens in PH
‘Lost In Space’ star dies
Trump threatens extra tax
Texas library shooting
Buried in a state funeral
Trump slams Mikie Sherrill
Surgeons remove magnets
Lincoln University shooting
Melissa now Category 3
Launches cargo spacecraft
Tested nuclear-powered missile
Recalls frozen chicken
Woman dies after rescue
Scammed by fake cleaning crew
Arch Manning suffers injury
North Carolina party shooting
Everett crane collapse
Queen Mother Sirikit dies
Lift-maker on Louvre heist
Truck shot outside base
Addresses gambling scandal
Heads to IR with knee injury
RU strikes warehouse in Kyiv
Trump heads to Asia
Alamo Trust pres resigns
Carted off field
US sanctions Colombian pres
PA voter fraud charges
Signs contract with Knights
No October inflation report?
Barbecue pork jerky recalled
反馈