Results 91 to 100 of about 105,382 (219)

Multimegawatt dynamic NEP PMAD study [PDF]

open access: yes
The National Aeronautics and Space Administration Lewis Research Center (NASA LeRC) is developing a FORTRAN-based model of a complete nuclear electric propulsion (NEP) vehicle to be used for piloted or cargo missions to the Moon or Mars.
Metcalf, Kenneth J.
core   +1 more source

Molecular Mechanism of Mulberrin Regulating Lipid Metabolism Homeostasis Based on the Gut–Liver Axis Fiaf/AMPK Signaling Pathway

open access: yesFood Frontiers, Volume 7, Issue 2, March 2026.
The molecular mechanism for mulberrin regulating lipid metabolism homeostasis. ABSTRACT Lipid metabolism disorders and the induced metabolic diseases have risen to become one of the primary public health issues. Our preliminary experimental results confirmed that mulberry leaf flavonoid extract exhibited efficacy in lipid metabolism regulation; the ...
Qian Li   +6 more
wiley   +1 more source

Economic Activities of Craft Cooperatives in Tambov Province from 1921 to 1924

open access: yesНаучный диалог
This article explores the regional specifics of organizing economic activities among craft cooperatives and their unions during the early stages of the revival of craft cooperation in the NEP era.
G. S. Makhrachev
doaj   +1 more source

Evolution of H5N1 Cross‐Species Transmission: Adaptive Mutations Driving Avian‐to‐Human Infection

open access: yesAdvanced Genetics, Volume 7, Issue 1, March 2026.
This review synthesizes current knowledge on the molecular mechanisms underpinning H5N1's host adaptation, focusing on key mutations in viral proteins. Critical mutations are discussed in detail, highlighting their roles in altering receptor specificity, promoting antiviral resistance, and expanding viral tropism. The review underscores the urgent need
Wenxin Man   +7 more
wiley   +1 more source

“How the NEP was broken”: Introductions to the books of the five-volume edition as a historiographic phenomenon (on the 100th anniversary of V.P. Danilov)

open access: yesКрестьяноведение
Introductions to the books in the five-volume How the NEP Was Broken, written under the supervision of the outstanding historian V. P. Danilov, represent a special historiographic phenomenon: the availability of five volumes on the history of the NEP ...
Mikhail A. Feldman
doaj  

Sentiments of Peasant Poverty in Late 1920s: A Generational Historical Analysis

open access: yesНаучный диалог
This study analyzes the sentiments of the Soviet rural poor in the late 1920s through the lens of generational history. The authors identify three distinct generations within the Soviet countryside of the 1920s: the “Children of the Revolution,” the ...
A. Yu. Vyazinkin, V. A. Ippolitov
doaj   +1 more source

Nuclear electric propulsion: An integral part of NASA's nuclear propulsion project [PDF]

open access: yes
NASA has initiated a technology program to establish the readiness of nuclear propulsion technology for the Space Exploration Initiative (SEI). This program was initiated with a very modest effort identified with nuclear thermal propulsion (NTP); however,
Stone, James R.
core   +1 more source

The Efficiency of Maize and Common Bean Intercropping Using Economic, Competitive, and Biological Indices for a Sustainable Production

open access: yesLegume Science, Volume 8, Issue 1, March 2026.
ABSTRACT Intercropping is an effective method for resource utilization that typically enhances crop yields compared with monoculture. This study was conducted using split plot in a randomized complete block design with three replications over the 2022–2023 years.
Ebrahim Zolfagari Kotbehsara   +2 more
wiley   +1 more source

Generational Conflicts in Soviet Village of Mid-1920s within Context of Generation History

open access: yesНаучный диалог
This study focuses on a generational analysis of social conflicts in the mid-1920s Soviet village. The findings are based on archival documents, periodical press materials, and theoretical-methodological approaches from social history, generation studies,
A. Yu. Vyazinkin, K. A. Yakimov
doaj   +1 more source

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