Results 111 to 120 of about 60,015 (288)
Archaeological Heritage in the Historic Centre of Riga: Status, Management, Development
The origins of the city of Riga can be traced back to a small area on the right bank of the River Daugava in the 11th–12th centuries. Over the ensuing centuries the city developed, and suburbs began to form outside its fortifications.
Sandra Zirne, Egita Lūsēna
doaj +1 more source
In response to the problem of strong mining pressure manifestation along the goaf roadway in a thick coal seam mining area, this study uses a new type of combined blasting roof cutting technology to effectively control the manifestation and deformation of mining pressure along the goaf roadway.
Xiaoding Xu +6 more
wiley +1 more source
Seismic analysis and design of tunnels within fault ground: A review
The research methods of seismic response of tunnels within fault ground, including field investigations, analytical solutions, physical experiments, and numerical simulations, and seismic countermeasures are discussed. The present study examines the shortcomings and limitations of the current research and design, and puts forward proposals for future ...
Xingda Wang +6 more
wiley +1 more source
Fish Scales: A Multifunctional Biomaterial from Nature
Fish scales demonstrate nature's solution to impact protection through overlapping multilayered architecture. This biological design combines mineralized surfaces with collagen networks to achieve both flexibility and fracture resistance. The structural principles inspire advanced protective materials and biomedical implants, where damage tolerance ...
Liyao Dong, Xiaojie Sun, Xiguang Chen
wiley +1 more source
This study employs a hard‐templating etching strategy to synthesize N‐doped hollow mesoporous carbon spheres embedded with NiCo nanoparticles (denoted as NiCo@N‐HMCS). The optimized catalyst exhibits exceptional bifunctional catalytic activity for the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) in alkaline media, achieving a ...
Pengyu Tan +6 more
wiley +1 more source
Cet article analyse l'emprisonnement et la mort de Alfonso de Guzmán, seigneur de Lepe, Ayamonte et La Redondela (Huelva), aux mains de son neveu Juan de Guzmán, comte de Niebla et, plus tard, premier duc de Medina Sidonia.
Juan Luis Carriazo Rubio
doaj +1 more source
Role of selenium in the pathophysiology of cardiorenal anaemia syndrome
Abstract Chronic kidney disease (CKD) and cardiovascular disease (CVD) have multiple bidirectional mechanisms, and anaemia is one of the critical factors that are associated with the progression of the two disorders [referred to as cardiorenal anaemia syndrome (CRAS)].
Shigeyuki Arai +2 more
wiley +1 more source
Beauty and lack thereof in seventeenth- and eighteenth-century travelogues [PDF]
In the seventeenth and eighteenth centuries, Malta attracted several travellers, eager to discover this small State in the Mediterranean. In spite of the harsh travelling conditions, the traveller did not lose heart and bravely undertook the discovery
Micallef, Patricia
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