Results 111 to 120 of about 814,608 (254)

Helicopter transmission testing at NASA Lewis Research Center [PDF]

The helicopter has evolved into a highly valuable air mobile vehicle for both military and civilian needs. The helicopter transmission requires advanced studies to develop a technology base for future rotorcraft advances.
Coy, John J., Lewicki, David G.
core   +1 more source

Decoding Undesirable Inflammatory Responses of Nucleic Acid‐Delivering Lipid Nanoparticles

Advanced Science, EarlyView.
Lipid nanoparticles (LNPs) enable efficient nucleic acid delivery, but their immunogenicity is a double‐edged sword. This review explores LNP‐driven innate and adaptive immunity, covering lipid components, endosomal escape, and nucleic acid sensing.
Ruimin Hu, Yin Dou, Chenwen Li, Yuying Mu, Huiying Ouyang, Wenhao Shen, Jianxiang Zhang   +6 more
wiley   +1 more source

Military R&D: the productivity puzzle [PDF]

A number of very careful econometric studies have been interpreted as showing that publicly funded research and development conducted by private firms has had little discernable impact on firm level profits or productivity. In contrast historical studies
Ruttan, Vernon W.
core   +1 more source

Resolving Oxidative and Corrosive Calendar‐Aging via Electrolyte Engineering for Stable Lithium Metal Batteries

Advanced Energy Materials, EarlyView.
A weakly solvating ether solvent, 1,2‐dimethoxypropane (DMP), is proposed for use in localized high‐concentration electrolytes (LHCEs) for lithium metal batteries (LMBs). These DMP‐based LHCEs simultaneously suppress lithium metal corrosion and cathode degradation—two interrelated processes that accelerate calendar aging of LMBs.
Jisub Kim, Ihnkyung Jung, Kyunam Lee, Insu Hwang, Minkwan Kim, Eunseok Park, Dongmin Park, Hayoung Park, Yonggoon Jeon, Gaeun Park, Hyo Chul Ahn, Jihoon Oh, Jungwon Park, Ali Coskun, Jang Wook Choi   +14 more
wiley   +1 more source

Technology, Graduate Dental Education, and Military Readiness

Dentistry Review
OBJECTIVES: The purpose of this report is to demonstrate use of technology to minimize treatment time, maximize the dental readiness of military units, and potentially prevent dental emergencies among deployed military personnel.
Ben Ottoson
doaj   +1 more source

THE IMPACT OF SCIENCE AND TECHNOLOGY ON MILITARY STRATEGY [PDF]

Annals: Series on Military Sciences, 2012
In this article, some opinions regarding the between military sciences (and also technologies) and the military strategy are briefly presented. There are credible arguments that the modem and reliable technologies nave been a catalyst and a driving ...
Ion Alexandru PLĂVICIOSU, Eugen SITEANU   +1 more
doaj  

Selective Electrolysis of Water Under Artificial Seawater Conditions Using Transition Metal Borate Anodes

Advanced Energy Materials, EarlyView.
The borate‐based cobalt‐iron catalyst promotes selective oxidation of water rather than chlorine evolution reaction during electrolysis of seawater. When integrated into a zero‐gap electrolyzer prototype, this catalyst supports robust splitting of artificial seawater into oxygen and hydrogen on an extended timescale.
Ananta R. Fareza, Hank Garg, Luis Miguel Azofra, Darcy Simondson, Tam D. Nguyen, Mohamed R. Rizk, Khang N. Dinh, Rosalie K. Hocking, Douglas R. MacFarlane, Hoang‐Long Du, Alexandr N. Simonov   +10 more
wiley   +1 more source

Turbine engine Hot Section Technology (HOST) project [PDF]

The Hot Section Technology (HOST) Project is a NASA-sponsored endeavor to improve the durability of advanced gas turbine engines for commercial and military aircraft.
Ensign, C. R., Sokolowski, D. E.
core   +1 more source

The impact of the Russia–Ukraine war on stock prices, profits and perceptions in the food supply chain

Agribusiness, EarlyView.
Abstract The Russian invasion of Ukraine in February 2022 had profound consequences for the global economy. As both countries are major commodity exporters, the food value chain was also affected. This study investigates the impact of the invasion on stock prices, profitability and sentiments of agribusinesses along the food supply chain by using an ...
Julia Höhler, Ivo Harmens, Alfons Oude Lansink   +2 more
wiley   +1 more source

National Borders, Conflict and Peace [PDF]

This paper reviews the economics approach to conflict and national borders. The paper (a) provides a summary of ideas and concepts from the economics literature on the size of nations; (b) illustrates them within a simple analytical framework where ...
Enrico Spolaore
core   +3 more sources