Results 1 to 10 of about 27,317 (217)
Laboratory study of impact effects on lightweight concrete containing bagasse and LECA [PDF]
مهندسی عمران شریف, 2023 Concrete quality control tests usually focus on the compressive strength of concrete, while neglecting other important properties such as impact and explosion resistance, which are essential for creating resilient concrete structures.
A.R. Khaloo, s.A. Borsi
doaj +1 more source
Reconstructing the last common ancestor of all eukaryotes. [PDF]
PLoS BiologyUnderstanding the origin of eukaryotic cells is one of the most difficult problems in all of biology. A key challenge relevant to the question of eukaryogenesis is reconstructing the gene repertoire of the last eukaryotic common ancestor (LECA).
Thomas A Richards +29 more
doaj +2 more sources
Pharmaceutics, 2023 Receptor-mediated transcytosis is an elegant and promising strategy for drug delivery across biological barriers. Here, we describe a novel ligand–receptor pair based on a dimeric, engineered derivative of the Pseudomonas aeruginosa lectin LecA, here ...
Maokai Xu +8 more
doaj +1 more source
Efficiency of wastewater purification in medium sand with a lightweight expanded clay aggregate assisting layer [PDF]
Journal of Water and Land Development, 2023 The objective of this experimental study was to examine whether an assisting layer of lightweight expanded clay aggregate (LECA) of the granulation 1–4 mm, introduced into a subsoil, is able to improve an efficiency of removal of total nitrogen and total
Marek Kalenik +3 more
doaj +1 more source
Fracture and Structural Integrity, 2023 Concrete developed from light expanded clay aggregate (LECA) and glass fiber has good performance, durability, and sustainability. Towards this, the experimental investigation was designed to study cubes, cylinders, and simply supported beams.
Louay A. Aboul Nour, Amr G. Ghoniem
doaj +1 more source
Behavior of Steel-Fiber Reinforced Lightweight Self-Compacting Concrete Containing LECA after the Exposure to Internal Sulfate Attack [PDF]
E3S Web of Conferences, 2023 For many years, lightweight concretes (LWC) have been utilized successfully in the construction of buildings because of their low specific weight, high thermal insulation capacity, and sound insulation.
Motar Shahad B., Awad Hadeel K.
doaj +1 more source
The Influence of Nano-Silica on Some Properties of Light Weight Self-Compacting Concrete Aggregate [PDF]
E3S Web of Conferences, 2023 Lightweight concrete (LWC) has been used successfully in building constructions for many years due to its physical properties and its lightweight with high thermal insulation and durability.
Ali Hadeel H., Awad Hadeel K.
doaj +1 more source
Discovery of cryptic plant diversity on the rooftops of the Alps
Scientific Reports, 2021 High elevation temperate mountains have long been considered species poor owing to high extinction or low speciation rates during the Pleistocene. We performed a phylogenetic and population genomic investigation of an emblematic high-elevation plant ...
Florian C. Boucher +8 more
doaj +1 more source
Journal of Creativity Student, 2016 Lightweight Expanded Carbon Aggregate (LECA) adalah media yang lazim digunakan sebagai media tanam hidroponik. Densitas LECA yang kecil menyebabkan massa LECA menjadi sangat ringan. Porositas dari media ini dipengaruhi oleh pori.
Nita Rosita +4 more
doaj +1 more source
Frontiers in Physiology, 2020 The healthy heart adapts continuously to a complex set of dynamically changing mechanical conditions. The mechanical environment is altered by, and contributes to, multiple cardiac diseases.
Elisa Darkow +23 more
doaj +1 more source