Silicon photonic modulators with a 2 × 1 Fabry-Perot cavity. [PDF]
Abstract Silicon photonics modulators based on a 2 × 1 Fabry–Perot (FP) cavity, which is circulator‐free, are proposed and demonstrated by introducing two asymmetric multimode‐waveguide grating (AMWG) reflectors and a short straight modulation section with interleaved PN junctions.
Cao H +8 more
europepmc +2 more sources
El uso de mezclas asfálticas en frío ha despertado el interés en los últimos años debido a que es una técnica que reduce el uso de combustibles y con ello, la huella de carbono en la construcción y mantenimiento de pavimentos, sin embargo, se ha ...
Julio César Hernández Moreno +4 more
doaj +1 more source
RESEARCH OF STRESS-DEFORMED STATE OF REINFORCED CONCRETE MONOLITHIC SPAN OF BRIDGE AFTER LONG-TERM EXPLOITATION [PDF]
Introduction. The vast majority of reinforced concrete bridges built in Ukraine until the 1950s were mostly monolithic. Spans were built of monolithic concrete with a length of (2–6) m and ribbed structures with a length of (8–15) m.
Olena Rozdorozhniuk +2 more
doaj +1 more source
INTRODUCTION OF NEW METHODS OF ENVIRONMENTAL IMPACT ASSESSMENT DURING ROAD CONSTRUCTION [PDF]
Introduction. The analysis of the existing methods for the assessment of forecast impacts on the environment of highways and normative-methodological documents on the generalized assessment of the forecast impacts on the environment (elements of the ...
Nataliia Kharytonova, Olesia Yaroshchuk
doaj +1 more source
DEVELOPMENT AND IMPROVEMENT OF METHODS OF CALCULATION OF DEFORMATION OF IRREGULAR RULE FORMS AND FUNDAMENTALS OF RIVER STRUCTURES UNDER THE ACTION OF FLOOD FLOWS [PDF]
ntroduction. The article presents the results of the study of irregular bottom river forms and foundations of structures, as well as coastal forms under the action of surface channel currents.
Andrii Koretskyi +5 more
doaj +1 more source
EUROPEAN PRACTICE OF SOLVING ISSUES OF EFFECTIVE FUNCTIONING OF SURFACE DRESSING OF PAVEMENT. СOMPLIANCE OF SURFACE DRESSING CHARACTERISTICS WITH TECHNICAL CONDITIONS OF DSTU EN 12271:2021 (EN 12271:2006, IDT) [PDF]
Introduction. The wearing course of a road pavement is in complicated operational conditions in combination with adverse weather and climatic factors that are characteristic of the country for most of the year.
Ivan Kopynets +2 more
doaj +1 more source
SELECTION OF BITUMEN FOR THE PRODUCTION OF ASPHALT CONCRETE MIXTURES CONSIDERING THE OPERATING CONDITIONS [PDF]
Introduction. Asphalt concrete is the most common material for paving layers of roads. Significant advantages of asphalt concrete include high operational characteristics, relatively high technical values, suitability for regeneration and more.
Alina Yunak +2 more
doaj +1 more source
Enhanced Thermoelectric Performance of BST/WSe<sub>2</sub> Heterostructures Through Defect-Driven Microstructural Modifications. [PDF]
Structural and compositional design of BST/WSe2 heterostructures for improved thermoelectric performance. Abstract This study presents the fabrication of BST/WSe2 heterostructured films using dual‐beam pulsed laser deposition to enhance thermoelectric performance.
Giri K, Wang YL, Wu YT, Chen CH.
europepmc +2 more sources
Efecto de las distracciones por el uso del teléfono celular durante la conducción
La conducción distraída es uno de los factores humanos más importantes en la seguridad del transporte y, por ende, es un riesgo que se está convirtiendo en una creciente preocupación para la seguridad vial.
Olver Alexander Tabora Cruz
doaj +1 more source
Plan de mantenimiento periódico del pavimento en el tramo Paradero Las Retamas – Puente Los Ángeles
El presente estudio tuvo como objetivo general diseñar un plan de mantenimiento periódico para la prolongación de la vida útil del pavimento en el tramo Paradero Las Retamas – Puente Los Ángeles de la carretera Central, elaborado en el 2021.
Daniel Alexis Ramirez Medina +1 more
doaj +1 more source

