Results 101 to 110 of about 10,996 (284)

Thermal coal utilization for the ESCAP region [PDF]

open access: yes, 1982
This publication discusses the utilization of thermal coal as an alternative energy source in the ESCAP region. It includes papers and technical studies presented at an ASEAN workshop, exploring economic and technical aspects of coal usage, combustion ...
UN.ESCAP
core  

One‐Shot Multimaterial 3D Printing of a Flexible Spine for a Robotic Fish Prototype

open access: yesAdvanced Intelligent Systems, EarlyView.
A one‐shot multimaterial 3D printing approach enables a monolithic soft robotic fish integrating a compliant spine and rigid vertebrae. Electromagnetic linear actuators drive tendon‐based transmission, producing controlled tail oscillations. Finite element modeling and experiments show strong agreement, while optimized material selection improves ...
Marco Colletta   +3 more
wiley   +1 more source

Performance Optimization of a Coal Preparation Plant Using Genetic Algorithms

open access: yes, 2004
A coal preparation plant typically has multiple cleaning circuits based on size of coal particles. The traditional way of optimizing the plant output and meeting the product constraints such as ash, sulfur and moisture content is to equalize the average ...
Gupta, Vishal   +3 more
core   +1 more source

Taxonomic reassessment of fossil Sequoia and Protosequoia from the Upper Miocene of Central Honshu, Japan, with implications for leaf morphological variation in extant S. sempervirens

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise Since its emergence in the Mesozoic, Sequoia (Cupressaceae) has been considered to possess conserved leaf morphology. However, recent studies have shown that the leaves of extant S. sempervirens become smaller, with a scale form, with increasing tree height.
Shun Ikeda, Arata Momohara
wiley   +1 more source

SIU-Sim: A Novel Coal Preparation Plant Simulator

open access: yes, 2008
Coal preparation plant simulators are used to study flowsheet alternatives and determine product quality and quantity that can be produced under various operating conditions for individual circuits. Some simulators also provide an estimate of the costper
Arnold, Barbara   +4 more
core  

Flame‐Retardant Quasi‐Solid‐State Electrolytes From Self‐Assembled Azolate Hybrid Frameworks for Highly Safe Lithium Batteries

open access: yesAngewandte Chemie International Edition, EarlyView.
This work develops a spray‐assisted in situ assembly technique to construct AHF materials with nitrogen/oxygen‐regulated one‐dimensional channels on glass fiber, providing abundant active sites and enabling rapid transport for lithium ions. Subsequently, phosphate flame retardants are encapsulated via in situ polymerization, resulting in a thermally ...
Shun Wang   +9 more
wiley   +1 more source

An investigation of the effect of NaCl concentration on the electrocoagulation of coal preparation plant tailings

open access: yes, 2018
Coal preparation is the process of separating the coal from mineral impurities to produce high-grade coal, and the wastewater of the coal separation process is mainly consisted of fine coal and clay particles.
Eskibalci, Mehmet Faruk   +3 more
core   +1 more source

Embedding Chemistry and Pharmacy Into Sustainability

open access: yesAngewandte Chemie International Edition, EarlyView.
Chemistry and pharmacy provide products and processes that are indispensable for our high living standard. To understand their relationship with sustainability is important to allow them to contribute to sustainability in a sustainable manner. An integrated overview of green, circular, and sustainable chemistry and pharmacy is given and how they have t
Klaus Kümmerer
wiley   +1 more source

Characterization of Bio‐Based Phenolic Plasticizer Extracted From Rambutan Fruit Shell Waste: A Sustainable Alternative to Synthetic Plasticizers for Green Polymer Applications

open access: yesJournal of the American Oil Chemists' Society, EarlyView.
Comprehensive Characterization of Bio‐Based Phenolic Plasticizer Extracted From Rambutan Fruit Shell Waste. ABSTRACT The development of eco‐friendly plasticizer is driving the interest of many scientists due to its environmentally benign nature.
Divya Divakaran   +7 more
wiley   +1 more source

Research on Deep Separation Technology of Multi–Source By–Products in Coking Coal

open access: yesChemEngineering
This study proposes considering the effective re–benefication of coal middlings and other such considered waste materials as a way to ensure that clean coal in coal by–products can be extracted and effectively utilized, saving costs and reducing coal ...
Andile Khumalo   +3 more
doaj   +1 more source

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