Results 11 to 20 of about 173,577 (236)
A comparison of methods for excluding light from stems to evaluate stem photosynthesis. [PDF]
Abstract Premise A comparison of methods using different materials to exclude light from stems to prevent stem CO2 exchange (i.e., photosynthesis), without affecting stem conductance to water vapor, surface temperature, and relative humidity, was conducted on stems of avocado trees in California.
Valverdi NA +4 more
europepmc +2 more sources
Este estudio tiene como objetivo demostrar el efecto de la cantidad de ZrO2 en los materiales compuestos reforzados con ZrO2 basados en la aleación de aluminio 2024 obtenidos mediante la técnica de infiltración al vacío, con escasa información en la ...
Muharrem Pul
semanticscholar +1 more source
Abstract Throughout the food chain, various chemical hazards may be present, incorporated or produced, which may pose a risk to the consumer. In 2018, the Scientific Committee of the Spanish Agency for Food Safety and Nutrition (AESAN) reviewed the most relevant chemical hazards for food safety in Spain, which had no specific regulation, identifying ...
María José González Muñoz +6 more
wiley +1 more source
Abstract Objective To evaluate the protective effect of house screening (HS) on indoor Aedes aegypti infestation, abundance and arboviral infection in Merida, Mexico. Methods In 2019, we performed a cluster randomised controlled trial (6 control and 6 intervention areas: 100 households/area).
Pablo Manrique‐Saide +19 more
wiley +1 more source
Evaluación de la contaminación por aluminio del agua para consumo humano, región central de Colombia
Introducción: el aluminio se incorpora al agua de manera natural y/o antrópica, con niveles de riesgo para la salud por encima de 0,2 mg/L según la normativa colombiana.
Óscar Efrén Ospina Zúñiga +1 more
semanticscholar +1 more source
An inexpensive, 3D‐printable breast muscle meter for field ornithologists
Abstract The size of the pectoral muscle is an important component of body condition in birds and has been linked to indices of fitness and migratory performance. Bauchinger et al. (2011. Journal of Ornithology 152: 507–514) developed, calibrated, and validated an aluminum “muscle meter” device that estimates the size of pectoral muscles noninvasively.
Luke L. Powell +7 more
wiley +1 more source
Revisão sistemática de estudos sobre o alumínio como fator de risco para a Doença de Alzheimer
Este artigo apresenta uma revisão bibliográfica sistemática de estudos científicos a respeito de análises do alumínio como possível fator de risco para ocasionar a Doença de Alzheimer.
A. C. Freitas +3 more
semanticscholar +1 more source
Com a necessidade de aperfeicoamento do processo de transmissao e distribuicao de energia eletrica, as industrias e concessionarias desse setor estao em busca de componentes mais otimizados para suas linhas de transmissao.
Erick Rocha Vieira +4 more
semanticscholar +1 more source
El tratamiento del metal fundido resulta esencial para mejorar las propiedades mecánicas de las aleaciones de aluminio. Los métodos de análisis térmico empleados habitualmente como medio de control están basados en el enfriamiento del metal en una copa ...
Y. Bilbao +4 more
doaj +1 more source
El comportamiento frente a corrosión de la aleación de aluminio AA2099 anodizado en solución de H2SO4, aplicando dos densidades de corriente diferentes, 0,19 o 1,0 A·cm−2, con dos tratamientos de sellado diferentes en H2O y en Na2Cr2O7 (6% peso) a 95 °C,
Pedro Samaniego-Gámez +9 more
semanticscholar +1 more source

