Results 71 to 80 of about 28,306 (173)

Utilización de Heurísticas en las Etapas de Diseño de Procesos para el Diseño de Sistemas de Recuperación de Hidrógeno

open access: yesTecnología y Ciencia, 2019
Este trabajo aborda el estudio de nuevas estructuras de reciclos y sistemas de recuperación de hidrógeno generados al incluir el concepto de redes de intercambio de materia (MENs) en la toma de decisiones de diseño.
C.D Fischer, O.A. Iribarren
doaj  

Estudio sobre la caída de los cuerpos

open access: yesGóndola, Enseñanza y Aprendizaje de las Ciencias, 2008
El presente artículo pretende mostrar la implementación de uno de los temas para física en la escuela a nivel de bachillerato, donde en donde se detecta dificultad para ser asimilados y relacionados con el entorno, así pues este tema que corresponde a ...
Carlos Eduardo Parra Moreno   +2 more
doaj   +1 more source

Recent Advances of Two‐Dimensional MBene Materials: From Synthesis and Properties to Application

open access: yesSmall Structures, Volume 7, Issue 3, March 2026.
With the two‐dimensional MBenes center as the reference, the system presents a table of contents diagram that provides an overview of their properties, synthesis methods, and application fields. Two‐dimensional transition metal borides (MBenes) attract considerable research interest for their exceptional electrical conductivity, high mechanical ...
Chunxiao Wang, Jinming Wang, Junjie Wang
wiley   +1 more source

CARACTERISTICA DEL GRANO, MASA Y TORTILLA PRODUCIDA CON DIFERENTES GENOTIPOS DE MAÍZ DEL TROPICO MEXICANO

open access: yesEcosistemas y Recursos Agropecuarios, 2014
La tortilla de maíz (Zea maysL.), es el principal alimento del pueblo mexicano. En México, como en gran parte de Centro y Sudamérica, el maíz se utiliza para consumo humano.
JA Jiménez-Juárez   +3 more
doaj   +1 more source

PENDIDIKAN PEREMPUAN RIAU DARI MASA KE MASA

open access: yesMarwah: Jurnal Perempuan, Agama dan Jender, 2011
The existence of woman education instituation in Riau province has long history, far away before the existence of Riau as a province. The history can be divided into period of Dutch colonial, Japanese colonial till the period of independence. Every period has individuality differentiating from other period.
openaire   +2 more sources

Amphibians' Expansion to Record Elevations Influences Chytrid (Batrachochytrium dendrobatidis) Infection Dynamics

open access: yesBiotropica, Volume 58, Issue 2, March 2026.
Peruvian frogs underwent a climate‐driven range expansion into deglaciating mountains, exposing themselves and their fungal pathogen Batrachochytrium dendrobatidis (Bd) to challenging new thermal environments. Bd has dispersed extensively in these new habitats, and elevation may mediate the apparent sublethal impacts of infection for frogs.
Emma Steigerwald   +6 more
wiley   +1 more source

Estimating Sunda Clouded Leopard Lifespans From Minimum Residence Times via Long‐Term Photo‐Tracking

open access: yesBiotropica, Volume 58, Issue 2, March 2026.
How long do Sunda clouded leopards live in the wild? Detectability challenges and transient behavior make this elusive species difficult to track. Based on compiled photographic records, we report the oldest known individual to date: a 6.51‐year‐old female and provide new insights into survival and demography of this threatened carnivore.
Katharina Kasper   +11 more
wiley   +1 more source

Evaluation of a 10% Urea Lotion for Xerosis: Clinical and Patient‐Reported Outcomes From a Prospective Study

open access: yesJournal of Cosmetic Dermatology, Volume 25, Issue 3, March 2026.
ABSTRACT Introduction Xerosis cutis is a common skin condition characterized by dryness, scaling, and pruritus due to impaired barrier function and reduced natural moisturizing factors. This study aimed to evaluate the clinical efficacy of a 10% urea lotion in adults with xerosis and assess participant satisfaction with the product.
Nemanja Maletin   +10 more
wiley   +1 more source

PERKEMBANGAN AKTIVITAS DAKWAH DARI MASA KE MASA

open access: yesMau'izhah, 2019
Dakwah merupakan aktifitas kegiatan dakwah yang telah dilakukan sebelum Nabi Muhammad SAWsebelum Islam disebarkan dipermukaan bumi. Dakwah telah dimulai dari para nabi terdahulu. Setelah Nabi Muhammad SAW diangkat sebagai rasul, dakwah mulai berjalan yang dimulai dari periode mekah sampai periode Madinah.
openaire   +1 more source

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