Results 171 to 180 of about 79,428 (365)

Exploring the Relationship Between Land Use and the Food‐Water‐Energy Nexus: Insights From A Systematic Literature Review

Land Degradation &Development, EarlyView.
ABSTRACT As urbanization accelerates, cities face increasingly significant ecological challenges essential for sustainability. One of the primary manifestations of these challenges is the imbalance between food, water, and energy resources, often resulting in the irrational use of land.
Ke Yang, Qi Han, Dujuan Yang, Bauke de Vries   +3 more
wiley   +1 more source

Un semoir de semis direct sous couvert vegetal à traction animale adapté aux conditions du Sénégal [PDF]

, 2018
En Afrique de l'Ouest, la conception et l'adaptation locales de semoirs de semis direct de traction animale faciles d'utilisation et accessibles aux petits producteurs sont un des éléments favorables à l'adoption du semis direct sous couvert végétal ...
Diakhaté, Demba, Fall, Alioune, Havard, Michel, Ralisch, Ricardo, Sarr, I.   +4 more
core  

Bio‐Based Gradient Composites for 3D/4D Printing With Enhanced Mechanical, Shape Memory, and Flame‐Retardant Properties

Macromolecular Materials and Engineering, EarlyView.
This study presents 3D/4D printing of PLA composites reinforced with mussel and wheat particles using FFF. Enhanced mechanical properties, reduced flammability, and high shape recovery are achieved. Functionally graded composites exhibited superior strength, highlighting the potential for sustainable, reusable objects, emphasizing advancements in shape
Mohammadreza Lalegani Dezaki, Callum Branfoot, Jon Baxendale, Mahdi Bodaghi   +3 more
wiley   +1 more source

Optimizing Sustainable Thread Design for Motorized Leg-Lengthening Devices: A Structural and Performance Assessment

Applied Sciences
This study offers an in-depth structural analysis of the threading mechanism in a motorized leg-lengthening nail, a key device used in bone-lengthening surgeries.
Chiang Liang Kok, Chee Kit Ho, Hong Wei Ng, Yit Yan Koh, Tee Hui Teo   +4 more
doaj   +1 more source

Poly Pelletizer: Recycled Pet Pellets From Water Bottles [PDF]

, 2017
Plastic water bottles comprise a large amount of waste worldwide. The goal of the Poly Pelletizer project is to create a system that will turn water bottles into polyethylene terephthalate (PET) pellets compatible with extruders to produce 3-D printer ...
Costa-Smith, Logan, Maltzer, Ian, Martino, James   +2 more
core   +1 more source

Single screw extrusion of long discontinuous fiber‐reinforced polymers: Pellet motion and heat transfer

Polymer Composites, EarlyView.
Sequential coupling of motion and heat‐transfer of long‐discontinuous fiber reinforced pellets in a single screw extruder. Abstract Single screw extrusion is widely used in material pre‐compounding, extrusion additive manufacturing, and injection molding.
Vasudha Kapre, Eduardo Barocio, R. Byron Pipes   +2 more
wiley   +1 more source

Mesh control information of windmill designed by Solidwork program [PDF]

, 2017
Tatang Mulyana, D. Sebayang, Akhmal Muammar Dwiki Rafsanjani, J. H. D Adani, Yahya Shomit Muhyiddin   +4 more
openalex   +1 more source

A comparative effort on the influence of liquid treatment media type, fiber addition, and deformation load on the wear performance of additively manufactured Polyamide 6 and Acrylonitrile butadiene styrene composites

Polymer Composites, EarlyView.
Wear response of 3D‐printed different polymer composites after the liquid absorption. Abstract Over the last few years, the amount of technical work concentrating on 3D printing has elevated notably to enlighten crucial topics like physical, chemical, and mechanical features.
Çağın Bolat, Erdi Yıldırım
wiley   +1 more source

Wind tunnel actuation movement system [PDF]

arXiv
In this dissertation project, an actuation system was designed for the supersonic wind tunnel at the University of Manchester. The aim of this project is to build a remote control actuation system which could adjust the angle of attack for the aerodynamic shape to save researchers' time and improve the experimental efficiency. This project involves the
arxiv  

PELATIHAN MENGGAMBAR TEKNIK DENGAN SOLIDWORK GUNA MENINGKATKAN KOMPETENSI SISWA SMK NEGERI 3 DUMAI [PDF]

, 2021
S Juni, Surya Indrwan, Nur Budi Nugraha, Sirlyana Sirlyana   +3 more
openalex   +1 more source