Portland相关论文
A new way to improve the tunnel fire protection by using flame-retarded porous asphalt pavement containing ATH powders w......
The pozzolanic activity of coal gangue burned at different burning temperatures was investigated. The burned coal gangue......
By using waste bricks as aggregate,a kind of porous ecological concrete was prepared and the mixing technique and its pr......
Three cement pastes were prepared with the fixed water-binder ratio and different fly ash contents. The compression test......
Fly ash (FA) is widely used in construction industry as a pozzolanic material for its economic and environmental advanta......
Regenerate utilization of worn cement concrete is the key technical problem to be solved in traffic field while the ceme......
梳形共聚物超塑化剂的效率和效能在很大程度上取决于侧链长度。然而,已有研究主要集中在共聚物侧链长度对吸附和分散的影响。事实......
This paper describes an orthogonal experiment on the effect of water/cement ratio,water consumption per cubic meter,curi......
This paper deals with the hydration of a blend of Portland cement and activated coal gangue in order to determine the re......
Geopolymers of metakaolin and sodium silicate were synthesized respectively with the ratios of the amount of SiO2 in the......
THE latest TOP500 supercomputer list was released during the International Supercomputing Conference (ISC) last November......
本文试图借用丘吉尔市长的书名为题，再借用美国俄勒冈州波特兰市（Portland，Oregon）50年发展规划和实施效果，并结合个人在波特兰的亲身体......
在硬件制造业逐步搬离硅谷的同时,美国波特兰地区硬件制造业正蓬勃发展,并具有基础牢固、产业集聚、军民融合等特点。其持续发展得......
