Results 41 to 50 of about 3,776 (176)

Análisis de las condiciones asfáltica, por el método índices de pavimento flexible, tramo: intersección con la carretera Fernando Belaunde Terry y el distrito La Coipa km 0+000 al km 3+000, provincia de San Ignacio, Cajamarca - 2021 [PDF]

open access: yes, 2023
En la presente investigación tiene como finalidad evaluar y resolver el pavement condition indx P.C.I., de la vía intersección con la carretera Fernando Belaunde Terry y el distrito la Coipa, provincia de san Ignacio, Cajamarca.
Flores Díaz, Anderson
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Cálculo de pavimentos flexibles

open access: yesInformes de la Construcción, 1956
En este artículo se indica un procedimiento para el cálculo de espesores de pavimentos de tipo flexible de pistas de vuelo, fundándose en una serie de curvas publicadas por el profesor Donal M. Burmister, de la Universidad de Columbia. Se hace notar la importancia que tiene para este cálculo del espesor del pavimento, la manera o forma de cómo se ...
openaire   +1 more source

Physical constraints and environmental factors shape phloem anatomical traits in woody angiosperm species

open access: yesNew Phytologist, Volume 248, Issue 5, Page 2316-2330, December 2025.
Summary Xylem trait studies have enhanced our understanding of how plants strategically adapt their morphological and anatomical features to diverse climates. Despite the importance of the phloem in plant functioning, similar studies of phloem traits are lacking.
Yan Wang   +18 more
wiley   +1 more source

24 million years of pollination interaction between European linden flowers and bumble bees

open access: yesNew Phytologist, Volume 248, Issue 4, Page 2111-2127, November 2025.
Summary Pollination is the most common insect–plant mutualism, binding them in a co‐evolutionary framework. Historic evidence of this interaction can be partly inferred from time‐calibrated molecular phylogenies of plant and insect lineages or directly from fossils.
Christian Geier   +9 more
wiley   +1 more source

Effect of Temperature and Catalyst Concentration on Polyglycerol during Synthesis

open access: yesInternational Journal of Polymer Science, Volume 2015, Issue 1, 2015., 2015
Morphology, molecular weight, polydispersity, functionality, and thermal properties are important characteristics when using polyglycerol as a building block in the development of materials for industrial applications such as hydrogels, surfactants, asphalts additives, cosmetics, pharmaceutical, biomedical, and drug delivery systems.
Carolina Ardila-Suárez   +3 more
wiley   +1 more source

Pavimentos flexibles como fuente de energía renovable

open access: yes, 2022
Existen diferentes alternativas de aprovechamiento de energía sustentable con el fin de reducir la problemática actual del cambio climático, y con base a numerosos estudios e investigaciones realizadas en los últimos años, se requiere destacar y propagar el conocimiento de la importancia de los pavimentos flexibles como fuente de energía renovable y el
Chávez-Saldaña, Ángela Sofía   +1 more
openaire   +1 more source

Apocynaceae wood evolution matches key morphological innovations

open access: yesAmerican Journal of Botany, Volume 111, Issue 11, November 2024.
Abstract Premise This paper provides an overview of the wood anatomy of the dogbane family (Apocynaceae), reconstructs wood anatomical trait evolution, and links this evolution with woody growth‐form transitions and floral and seed trait innovations across the family.
Vicky Beckers   +4 more
wiley   +1 more source

An Iterative Approach for the Optimization of Pavement Maintenance Management at the Network Level

open access: yesThe Scientific World Journal, Volume 2014, Issue 1, 2014., 2014
Pavement maintenance is one of the major issues of public agencies. Insufficient investment or inefficient maintenance strategies lead to high economic expenses in the long term. Under budgetary restrictions, the optimal allocation of resources becomes a crucial aspect.
Cristina Torres-Machí   +8 more
wiley   +1 more source

Evaluación de fallas mediante el método índice de condición de pavimento para rehabilitación del pavimento flexible caso: Av. Perú cdra. 42 – 51, Callao, 2020 [PDF]

open access: yes, 2020
La presente tesis titulada “Evaluación de fallas mediante el método índice de condición de pavimento para rehabilitación del pavimento flexible caso: av. Perú cdra.
Ugaz Mesta, Yuri Nicolas
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