Results 81 to 90 of about 1,114,918 (311)

Toward Complete CO2 Electroconversion: Status, Challenges, and Perspectives

open access: yesAdvanced Energy Materials, EarlyView.
Electrocatalytic CO2 reduction and CO2 batteries face challenges in achieving complete CO2 conversion with high conversion rates and Faradaic efficiency simultaneously. Existing systems compromise one for the other with incomplete CO2 conversion and inefficiencies, hindering practical applications. This perspective highlights state‐of‐the‐art progress,
Changfan Xu   +5 more
wiley   +1 more source

Seasonal changes in bruchid (Coleoptera: Chrysomelidae: Bruchinae) assemblages along managed highway ecotones

open access: yesEuropean Journal of Entomology, 2017
Spring and summer composition and species richness of bruchid pre-dispersal seed predator assemblages associated with species of leguminous plants were monitored in a four-year non-experimental survey of 32 service areas along five highways in Hungary ...
Árpád SZENTESI   +3 more
doaj   +1 more source

2023–2027 CAP First Pillar Reform and Livestock Sector: Production and Economic Impacts on Italian Specialized Dairy Cattle Farms

open access: yesApplied Economic Perspectives and Policy, EarlyView.
ABSTRACT The present study uses an agroeconomic supply model to assess the impacts of 2023–2027 CAP on Italian specialized dairy cattle farms. The model considers the voluntary choice of Eco‐Scheme 1, specifically addressed to livestock farms, through the implementation of binary variables.
Davide Dell'Unto, Raffaele Cortignani
wiley   +1 more source

MFP and CFAP Official Announcement and Pre‐Official Announcement Effects on the Corn and Soybean Futures Market

open access: yesApplied Economic Perspectives and Policy, EarlyView.
ABSTRACT This study examines the official announcement effect of the Market Facilitation Program (MFP) and the Coronavirus Food Assistance Program (CFAP) on the corn and soybean futures market. Using a permutation test and a 2‐stage GLS model, we find no significant official announcement effect.
Zhining Sun   +3 more
wiley   +1 more source

Minicomputer-controlled frequency generator [PDF]

open access: yes, 1974
Extremely-accurate and low-phase-noise frequency generator varies oscillator frequency as predetermined function of time. System could be used: (a) to automatically vary transmission frequencies in accordance with seasonal and diurnal changes in ...
Winkelstein, R. A.
core   +1 more source

Changes in Alcohol Retail Laws and Foot Traffic at Liquor Stores

open access: yesApplied Economic Perspectives and Policy, EarlyView.
ABSTRACT We study how expanding alcohol availability at grocery and convenience stores affects consumer traffic in liquor stores by leveraging recent changes in state‐level alcohol distribution laws in a difference‐in‐difference quasi‐experimental design.
Nathan Palardy   +3 more
wiley   +1 more source

From leaves to microbes: How diet and season shape the fecal microbiome of captive Coquerel´s Sifakas (Propithecus coquereli)

open access: yesFrontiers in Microbiomes
The community of microorganisms occurring in the animal gut, known as the gut microbiota, is closely connected to host health. It is essential for metabolic processes, digestion, and defense against pathogens. Knowledge about the composition of an intact
Jonas Schweikhard   +3 more
doaj   +1 more source

A Study on variations in photosynthetic pigments, soluble sugars, flavonoid, and anthocyanin compont contents in two halophyte species (Salsola dendroides Pall. and Limonium reniforme (Girard) Linczin in different seasons [PDF]

open access: yesفیزیولوژی محیطی گیاهی, 2017
Numerous biochemical and molecular mechanisms have been developed in plants to fight against salt stress namely, change in the content of osmolytes, enhancement of phenolic compounds, and supporting photosynthetic activity.
Sepideh Bakhshi   +2 more
doaj  

Workmen’s Compensation: Contagious Disease Held Compensable [PDF]

open access: yes, 1961
Knowledge about dispersion is of utmost importance for understanding populations’ reaction to changes in the environment. Expansion of a population range brings with it both spatial sorting and over time, spatial selection.
Brengdahl, Martin
core   +1 more source

Did the Indian Green Revolution Change the Farm Size–Productivity Relationship?

open access: yesApplied Economic Perspectives and Policy, EarlyView.
ABSTRACT We examine the relationship between farm size and productivity during India's Green Revolution, a period of rapid technological transformation. Using a unique panel of over 5000 Indian farm households that spans the Green Revolution (1971–1999), we show that the classic (linear) inverse farm size–productivity relationship gradually evolved ...
Rabail Chandio, Leah E. M. Bevis
wiley   +1 more source

Home - About - Disclaimer - Privacy