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4篇 您的检索式:作者名="Nv Han"
    题名 作者 年代 出处 被引量
1Review of recent developments in cement composites reinforced with fibers and nanomaterials显示文摘The quest for high-performance construction materials is led by the development and application of new reinforcement materials for cement composites.Concrete reinforcement with fibers has a long history.Nowadays,many new fibers associated with high performance and possessing eco-environmental characteristics,such as basalt fibers and plant fibers,have received much attention from researchers.In addition,nanomaterials are considered as a core material in the modification of cement composites,specifically in the enhancement of the strength and durability of composites.This paper provides an overview of the recent research progress on cement composites reinforced with fibers and nanomaterials.The influences of fibers and nanomaterials on the fresh and hardened properties of cement composites are summarized.Moreover,future trends in the application of these fibers or of nanomaterial-reinforced cement composites are proposed.Jianzhuang XIAO Nv HAN Yan LI Zhongsen ZHANG Surendra P.SHAH 2021Frontiers of Structural and Civil Engineering2021,15,1:3
2Prevalence and and risk factors for tu- berculosis infection among personnel in two hospitals in Viet Nam 显示文摘Powell K Han D Hung NV 2011Int J Tuberc Lung Dis2011,15,12:1
32-Year GLOBE trial results Telbivudine is superior to lamivudine in patients with chronic hepatitis B 显示文摘Liaw YF Gane E Leung N Zeuzem S Wang Y Lai CL Heathcote EJ Manns M Bzowej N Niu J Han SH Hwang SG Cakaloglu Y Tong MJ Papatheodoridis G Chen Y Brown NA Albanis E Galil K Naoumov NV GLOBE Study Group 2009Gastroenterology2009,136,2:1
4Multi-Scale Investigation on Concrete Prepared with Recycled Aggregates from Different Parent Concrete显示文摘Recycled aggregates(RA)are frequently obtained from various unknown sources,which caused variation in properties among recycled aggregates concrete(RAC).This paper investigated the macro and microscopic properties of RAC prepared with RAs originated from different parent concretes with 90-day strength ranging from 30 MPa to 100 MPa.These parent concretes were prepared in advance and crushed to produce RA of distinct qualities.The attached mortar content can reach up to 69%in the concrete with highest strength grade.The microscopic investigation on different RAC was conducted with the X-ray Micro-Computed Tomography scanning technique and image process.Experimental results showed that the properties of RA derived from various parent concrete varied because of the amount of residual mortar.The development of mechanical properties and chloride-ion penetration of RACs all followed a binomial trend with the strength grades of the parent concrete because of the different quantity and quality of RAs.Zhenhua Duan Nv Han Amardeep Singh Jianzhuang Xiao 2020Journal of Renewable Materials2020,8,11:1
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