Results 61 to 70 of about 83,494 (318)

Selective Separation of the Rare Earth Elements Dysprosium and Neodymium via Tailoring Nanocellulose Chemical Structure

open access: yesAdvanced Functional Materials, EarlyView.
Dicarboxylate‐modified anionic hairy cellulose nanocrystals exhibit a high selectivity for dysprosium(III) over neodymium(III). This selectivity arises from disordered dicarboxylate cellulose “hairs” that enable cooperative ionic coordination, hydrogen bonding, and strain‐induced conformational shrinkage.
Roya Koshani   +6 more
wiley   +1 more source

AUTOMOBILE WITH PNEUMATIC ENGINE

open access: yesTECHNICAL SCIENCES AND TECHNOLOG IES, 2018
Urgency of the research. In the modern times, more often, there are alternatives to the drive, which help the environment. First of all, there are many engine alternatives, but also hybrids with low emissions. Target setting. The main goal was to design a vehicle that powered by compressed air. Then take the vehicle to competition.
Marcinko, Peter   +2 more
openaire   +3 more sources

A Simple Combustion Efficiency Indicator for Automobile Engines

open access: yesMeasurement + Control, 1973
A cheap device which can indicate carbon monoxide levels in exhaust emission of internal combustion engines, and hence could be used for adjusting the engine's operating air: fuel mixture ratio, would have widespread application in garages, etc.
M. S. Bolton, D. S. Taylor
doaj   +1 more source

CFD-Based research on control strategy of the opening of Active Grille Shutter on automobile

open access: yesCase Studies in Thermal Engineering, 2018
Active Grille Shutter is a very promising technology to improve the performance and fuel economy of automotive engines. The engine room temperature and the automobile aerodynamic resistance should both been considered when controlling the opening of the ...
JiaCheng Li   +4 more
doaj   +1 more source

Conventional engine technology. Volume 3: Comparisons and future potential [PDF]

open access: yes
The status of five conventional automobile engine technologies was assessed and the future potential for increasing fuel economy and reducing exhaust emission was discussed, using the 1980 EPA California emisions standards as a comparative basis. By 1986,
Dowdy, M. W.
core   +1 more source

VIVID: A qPCR‐Based Platform for Sensitive and Quantitative In Vivo Tracking of Extracellular Vesicles

open access: yesAdvanced Functional Materials, EarlyView.
This study introduces VIVID (Vesicle In Vivo Identification using DNA), a qPCR‐based platform that tracks PCR‐amplifiable DNA tags loaded in the EVs for accurate and quantifiable EV biodistribution in vivo. ABSTRACT Extracellular vesicles (EVs) represent promising carriers for nucleic acid therapeutics, offering advantages over synthetic nanoparticles ...
Oscar Boyadjian   +5 more
wiley   +1 more source

In Situ 3D Bioprinting: Impact of Cross‐Linking on the Adhesive Properties of Hydrogels

open access: yesAdvanced Functional Materials, EarlyView.
In situ 3D bioprinting enables the direct deposition of cell‐laden, adhesive biomaterials for on‐site tissue regeneration. This review provides a comprehensive overview of how cross‐linking influences the bioadhesive properties of hydrogels used in 3D bioprinting, highlighting cross‐linking triggers, bioadhesion mechanisms, polymer interpenetration ...
Odile Romero Fernandez   +4 more
wiley   +1 more source

Determination of conditions for ensuring reliable lubrication of connecting rod bearings of automobile engines

open access: yesИнтеллект. Инновации. Инвестиции, 2020
The relevance of the work is due to the need to study the patterns of lubrication of the connecting rod bearings of the crankshaft of an automobile engine in order to exclude the influence of various factors on the risk of cranking the bearings - sudden ...
A. T. Kulakov   +2 more
doaj   +1 more source

Effect of the foam embellishments on the pedestrian safety of the vehicle front protection systems [PDF]

open access: yes, 2013
Pedestrian safety related compliance requirements are very important in case of design and development of the vehicle front protection systems. Computer aided engineering impact simulations were carried out to evaluate Head Injury Criterion (HIC) of a ...
Epaarachchi, J. A.   +2 more
core  

Metal–Organic Frameworks for Gaseous Pollutant Management: From Capture to Neutralization and Reutilization

open access: yesAdvanced Functional Materials, EarlyView.
This review maps how MOFs can manage hazardous gases by combining adsorption, neutralization, and reutilization, enabling sustainable air‐pollution control. Covering chemical warfare agent simulants, SO2, NOx, NH3, H2S, and volatile organic compounds, it highlights structure‐guided strategies that boost selectivity, water tolerance, and cycling ...
Yuanmeng Tian   +8 more
wiley   +1 more source

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