نتایج جستجو برای: leca

تعداد نتایج: 225  

Journal: :E3S web of conferences 2023

For many years, lightweight concretes (LWC) have been utilized successfully in the construction of buildings because their low specific weight, high thermal insulation capacity, and sound insulation. The development that led to self-compacting concrete (LWSCC) is a significant step forward recent years. These chains concrete's beneficial properties with concrete. purpose this experimental inves...

Journal: :Crystals 2021

Residential consumption dominates the energy expenditure of heating and cooling systems, especially in tropical climates where building envelopes play an important role efficiency. The thermal properties concrete that are commonly employed as envelope material affect directly human comfort a building. In addressing both performance industrial waste issues, this paper experimentally studies comp...

Journal: :Nonlinear Engineering 2022

Abstract Concrete is one of the most extensively utilized building materials that can be produced, and has potential to release a significant quantity CO 2 into environment. In this research, through studying lightweight (LW) concrete, attempts are made produce environmentally friendly LW concrete with high strength using nanosilica rather than part cement waste glass powder instead aggregates....

Journal: :Angewandte Chemie 2022

Efficiently hyperpolarizing proton-dense molecular solids through dynamic nuclear polarization (DNP) solid-state NMR is still an unmet challenge. Polarizing agents (PAs) developed so far do not perform well on proton-rich systems, such as organic microcrystals and biomolecular assemblies. Herein we introduce a new PA, cAsymPol-POK, report outstanding hyperpolarization efficiency 12.76 kDa U-13C...

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