Results 71 to 80 of about 68,391 (303)

Sustainable bioplastics manufacturing from renewable sources

open access: yesFEBS Open Bio, EarlyView.
Bioplastics are manufactured by using polymers from different bio‐based sources. These novel materials not only offer biodegradability but also possess various functional properties that make them suitable for diverse applications. Recent developments in the preparation of bioplastics are reported, highlighting the distinct properties of each type of ...
C. Valeria L. Giosafatto   +6 more
wiley   +1 more source

Understanding bio‐based polymers: A study of origins, properties, biodegradation and their impact on health and the environment

open access: yesFEBS Open Bio, EarlyView.
This review provides an overview of bio‐based polymer sources, their unique functional properties and their environmental impact, and addresses their role as sustainable alternatives. It discusses end‐of‐life options, including composting and anaerobic digestion for renewable energy.
Sabina Kolbl Repinc   +8 more
wiley   +1 more source

Design and implementation of a high step-up boost-fly back converter with soft switching [PDF]

open access: yesJournal of Intelligent Procedures in Electrical Technology, 2017
In this paper a new soft switching boost-flyback converter is introduced to eliminate conventional boost-flyback converter problems in the high voltage applications. The main application of this converter is conction of PV system to the power system.
Ghasem Haghshenas   +1 more
doaj  

Analysis and Implementation of High-Performance DC-DC Step-Up Converter for Multilevel Boost Structure

open access: yesFrontiers in Energy Research, 2019
The conventional DC-DC converters such as SEPIC, boost converter, etc. produces large voltage ripples in multilevel converter systems. For that reason, in this paper, a new DC-DC converter topology is proposed, and the performance is analyzed.
M. Premkumar, C. Kumar, R. Sowmya
doaj   +1 more source

Design And Development Of Boost A Converter Using Planar Inductor For Dual Supply Automotive System [PDF]

open access: yes, 2008
Today, innovation in electronic automobile components has resulted in the need for higher voltage power supplies. In future automotive vehicles will have 36V operating system.
Krishnan, Shashikumar
core  

Enzymatic and microbial routes to bioplastics: The green chemistry frontier of biopolymers

open access: yesFEBS Open Bio, EarlyView.
Microbial biosynthesis and engineered enzyme platforms are expanding the design space of polyhydroxyalkanoate bioplastics. By combining fermentation, PHA synthase engineering and cell‐free modular systems, tailored biodegradable polymers can be produced with tunable properties, supporting more sustainable materials and future circular bioeconomy ...
Giovanni Gallo   +4 more
wiley   +1 more source

Analysis of Non-minimum Phase in Buck-Boost Converter

open access: yesMATEC Web of Conferences, 2016
In this paper, relations among the parameters of the non-minimum phase for the Buck-Boost converter are studied. It is demonstrated that when the Buck-Boost converter works in Buck mode, the negative regulation voltage is determined by the converter with
Huang Jinfeng, Liu Shulin
doaj   +1 more source

X-Y converter family: A new breed of buck boost converter for high step-up renewable energy applications [PDF]

open access: yes, 2016
A new breed of a buck boost converter, named as the XY converter family is proposed in this article. In the XY family, 16 topologies are presented which are highly suitable for renewable energy applications which require a high ratio of DC-DC converter ...
Blaabjerg, Frede   +5 more
core   +3 more sources

Air Pollution and the Risk and Progression of Multiple Sclerosis: A Systematic Review and Meta‐Analysis

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Purpose Air pollution has been linked to several neurological conditions, including stroke and neurodegenerative diseases. Evidence regarding its association with multiple sclerosis (MS) remains conflicting, limited by small sample sizes. Methods PubMed, Embase, Scopus, and Cochrane controlled register of trials (CENTRAL) were searched on ...
Ahmad A. Toubasi, Thuraya N. Al‐Sayegh
wiley   +1 more source

A current and future study on non-isolated DC`DCconverters for photovoltaic applications. [PDF]

open access: yes, 2013
Photovoltaic (PV) is a fast growing segment among renewable energy (RE) systems, whose development is owed to depleting fossil fuel and climate-changing environmental pollution.
Hizam, Hashim   +4 more
core   +1 more source

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