Results 111 to 120 of about 111,637 (305)

Space‐Time Coding Conformal Metasurfaces for Multifrequency Beam Steering and Shaping

open access: yesAdvanced Materials, EarlyView.
Space‐time coding conformal metasurfaces enable dynamic wave control on curved surfaces by combining programmable spatial patterns with temporal modulation. This study shows that a single conformal aperture can independently manipulate multiple frequency components, achieving multifunctional beam shaping and steering, with implications for ...
Filippo Pepe   +8 more
wiley   +1 more source

Residual Feed Intake as a Behavioral, Nutritional and Economic Criterion in Poultry Production

open access: yesAnimals
Rising feed costs in the poultry industry have the greatest impact on the price of the final product. To address this issue, several indicators have been developed to assess feed efficiency.
Anastasiya Ramankevich   +4 more
doaj   +1 more source

A Porous Interfacial Photothermal Layer of Fused Core–Shell Carbon‐Polymer Nanospheres for Directional Salt Crystallization and Zero‐Liquid‐Discharge

open access: yesAdvanced Materials, EarlyView.
A hierarchical hydrogel evaporator with a thin, porous photothermal layer of fused core–shell carbon‐polymer nanospheres enables ultrafast interfacial solar evaporation with minimized heat loss and sufficient water supply. Directional advection‐dominated brine transport, coupled with Marangoni‐driven interfacial flow, drives salt away from the active ...
Haokun Shen   +11 more
wiley   +1 more source

Analysis of the Production and Economic Indicators of Broiler Chicken Rearing in 2020–2023: A Case Study of a Polish Farm

open access: yesAgriculture
The study aimed to analyze and evaluate the production and economic performance of a broiler chicken farm in Poland during the years 2020–2023. Production performance was assessed by comparing final body weight (BW), feed intake (FI), feed conversion ...
Michalina Adaszyńska-Skwirzyńska   +6 more
doaj   +1 more source

Engineering Layered Magnetic Hydrogels for Cell Placement via Shear and Magnetic Field‐Induced Assembly

open access: yesAdvanced Materials, EarlyView.
Magnetic particles are organized into layered architectures by combining shear flow and magnetic fields, with the resulting structures governed by appropriate Mason numbers. The programmed assemblies provide spatial guidance for cell placement, linking field‐controlled self‐assembly, flow‐induced structuring and biological organization.
Guillermo Camacho   +5 more
wiley   +1 more source

Research on impact of fluctuations in aquatic feed prices on breeding costs

open access: yesSiliao yanjiu
Stabilizing the price of aquatic feed is an important means to improve the self-sufficiency level of aquatic products, a powerful measure to ensure the development of fishery economy, and the core of promoting high-quality development of aquaculture ...
XIE Tian
doaj  

Assessing the impacts of feed in tariffs and metering configuration (gross or net), on the payback period for an average solar PV system in metropolitan Melbourne

open access: yes, 2009
With an increasing customer focus on renewable energy and the perceived benefits from widespread solar photovoltaic (PV) generation there has been a rapid increase in the number of solar PV system installed across Australia during 2008 and 2009. Debate
Bailey, Darren
core   +1 more source

From Behavior to Dynamics: Decoding Carrier Roles in Cu‐based Photocathodes for Solar‐Driven CO2 Reduction

open access: yesAdvanced Materials, EarlyView.
The performance of Cu‐based photocathodes in photoelectrochemical CO2 reduction is not governed by catalytic sites alone, but by the dynamic journey of photogenerated carriers. This review decodes how carrier generation, recombination, transport, accumulation, extraction, and electrolyte coupling shape catalytic activity, selectivity, and stability ...
Yi‐Cheng Wang   +5 more
wiley   +1 more source

U.S.-Mexico production costs compared: At present, livestock production more favorable in Imperial Valley

open access: yesCalifornia Agriculture, 1991
Cattle production rates and feed costs are similar in Baja California and Southern California. However, Mexican feedlot and dairy enterprises have higher finance charges and higher total production costs than comparable U.S. enterprises. Assuming current
J Guerrero   +4 more
doaj  

Photocatalytic Water Splitting on the Lunar Surface: Prospects for In Situ Resource Utilization

open access: yesAdvanced Materials Interfaces, EarlyView.
Water has been found in craters on the moon nearby locations which are illuminated >80% of the time. Photocatalysis uses energy from sunlight to drive chemical reactions such as water splitting to produce oxygen and hydrogen. It is a scalable technology that requires lighter equipment and utilizes resources available on the moon. ABSTRACT The discovery
Ranjani Kalyan   +6 more
wiley   +1 more source

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