Results 201 to 210 of about 151,907 (254)

Directive Antenna Clutter Loss in Slant Paths

International Journal of Satellite Communications and Networking, EarlyView.
ABSTRACT This paper investigates the development of a clutter loss model specifically for slant paths involving directive antennas. Conventionally, clutter loss is characterized by using isotropic antennas to facilitate standard link budget calculations via single antenna gain values.
Fernando Pérez Fontán, Vicente Pastoriza‐Santos, Fernando Machado Domı́nguez, Thomas Prechtl, Pavel Pechac   +4 more
wiley   +1 more source

Exposure to Airborne Particulate Matter in Regional Environments of Bangladesh and Its Effects on Respiratory Health: A Narrative Review. [PDF]

Health Sci Rep
Haque KMF, Rashid MA, Rahman MS, Hossain MK, Hossen MS.   +4 more
europepmc   +1 more source

Hands‐on and Minds‐on? Findings on the Instructional Support of Preschool Teachers to Foster Children's Understanding of Scientific Practices

Science Education, EarlyView.
ABSTRACT To participate effectively in modern society, it is essential to have both knowledge of scientific concepts and an understanding of scientific practices. Children develop initial knowledge and skills to engage in scientific practices, such as identifying patterns, long before entering school.
Ada Cecil Haen, Henrik Saalbach, Ilonca Hardy, Miriam Leuchter, Mirjam Steffensky   +4 more
wiley   +1 more source

Performance-driven utilization of industrial wastes as fine aggregates in ambient-cured alkali activated concrete. [PDF]

Sci Rep
Singh P, Singh H, Paruthi S.
europepmc   +1 more source

What If Cooking Isn't Chemistry? Examining the Good and the Harm in Metaphorical Connections Between Science and Everyday Activities

Science Education, EarlyView.
ABSTRACT This theoretical paper examines why we make claims like “cooking is chemistry,” what these claims mean, and what good or harm they accomplish. We make three interrelated arguments: First, the relationship between scientific and everyday practices is more complicated and less obvious than is often claimed; second, educators and scientists link ...
Noah Weeth Feinstein, Ryan L. Stowe
wiley   +1 more source

Sulphate resistance of geopolymer mortars incorporating waste clay brick powder. [PDF]

Sci Rep
Sharmin S, Sarker PK, Biswas WK, Mim NJ.
europepmc   +1 more source

The Hidden Costs of Coffee Production in the Eastern African Value Chains

Sustainable Development, EarlyView.
ABSTRACT There is increasing recognition that significant hidden costs associated with agrifood systems are not reflected in market prices. Coffee is among the three most traded agricultural commodities in the world and supports the livelihoods of more than 30 million smallholder households.
Annet Adong, Lukas Kornher, Bezawit Beyene Chichaibelu, Aslihan Arslan   +3 more
wiley   +1 more source

Dynamics and Diversity of Microbial Community Succession During the Solid-State Fermentation Process of Fuzhuan Brick Sea Buckthorn Leaf Tea. [PDF]

Foods
Wang Y, Ao J, Guo Q, Xie Z, Fan X, Sun Y, Wang Z, Wei J, Zeng X.   +8 more
europepmc   +1 more source

Drop by Drop: The Impact of Green Certifications on Attributed Improvement in Corporate Water Efficiency

Sustainable Development, EarlyView.
ABSTRACT This paper examines the impact of green certifications on attributed improvements in corporate water efficiency in Bangladesh, considering the moderating roles of regulatory pressure and consumer awareness. Data from 311 respondents were analyzed to test the hypotheses.
Pinki Debnath, Leon Jones Toney, Mohammed Salem, Ralf Wagner   +3 more
wiley   +1 more source

Study on the influence of carbonation curing on the mechanical properties of fly ash-sand-based lime bricks: a case study of a coal-fired power plant in northwest China. [PDF]

Sci Rep
Zhang Y, Zhang P, Wang W, Zhang Z.
europepmc   +1 more source