نتایج جستجو برای: mixes
تعداد نتایج: 4267 فیلتر نتایج به سال:
This report provides a summary of the results of the various studies completed in the Partnered Pavement Research Program (PPRC) during the period 2000–2004. In addition, preliminary findings of investigations, initiated but not yet implemented during this period, are included. The results are based on the combined results of analytical developments, laboratory testing of pavement materials, an...
The ambition of energy policy has long been to reduce carbon emissions, secure energy supply and provide affordable energy services. In recent years an increasing number of policy instruments have been introduced to promote energy efficiency in different sectors across the EU. While previous research has largely analysed the effectiveness of individual policy instruments and their impact on the...
Development of Self-Consolidating Concrete for Bridge Girders and Evaluation of Its Fresh Properties
Self-consolidating concrete (SCC) has been developed for use in precast prestressed concrete bridge girders in the state of Minnesota. Locally available materials were used with a number of cementitious and filler materials, including ASTM Type III cement, Class C fly ash, and blast furnace slag. SCC was successfully proportioned with both natural river gravels and crushed stone as coarse aggre...
Staphylococcus epidermidis biofilm-related infections are a current concern within the medical community due to their high incidence and prevalence, particularly in patients with indwelling medical devices. Biofilm gene expression analysis by quantitative real-time PCR (qPCR) has been increasingly used to understand the role of biofilm formation in the pathogenesis of S. epidermidis infections....
Three-year performance of in-situ mass stabilised contaminated site soils using MgO-bearing binders.
This paper provides physical and chemical performances of mass stabilised organic and inorganic contaminated site soils using a new group of MgO-bearing binders over 3 years and evaluated the time-dependent performance during the 3 years. This study took place at a contaminated site in Castleford, UK in 2011, where MgO, ground granulated blastfurnace slag (GGBS) and Portland cement (PC) were mi...
Simultaneous quantification of four RNA targets by multiplex, real-time RT-PCR without optimization.
Researchers carrying out quantitative, multiplex, realtime PCR and RT-PCR require master mixes that provide accurate, simultaneous quantification of multiple targets in the same reaction without time-consuming optimization. Our results at Wyeth Research show that QuantiTect® Multiplex Kits from QIAGEN are well suited for multiplex analysis of up to four RNA targets in two-step and onestep real-...
The central purpose of the research is to support the California Department of Transportation (Caltrans) Quieter Pavement Research Program, which has as its goals and objectives the identification of quieter, safer asphalt pavement surfaces. The research conforms with Federal Highway Administration (FHWA) guidance provided to state departments of transportation (DOTs) that conduct tire/pavement...
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