Results 71 to 80 of about 32,477 (249)

Mechanistic Insights Into Photocatalytic Materials for Toxic Pollutants: Environmental Remediation of Personal Care Products

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Photocatalytic materials have emerged as promising solutions for environmental applications due to their ability to degrade organic pollutants under sunlight or artificial light. In this review, recent progress on the photocatalytic materials used for the degradation of pharmaceutical personal care products (PPCPs) in environmental ...
Urvashi Sen   +5 more
wiley   +1 more source

Environmentally Friendly Pervious Concrete for Treating Deicer-Laden Stormwater: Phase II [PDF]

open access: yes, 2018
In Phase I of this project, graphene oxide (GO)-modified pervious concrete was developed using coal fly ash as the sole binder. The primary objectives of Phase II of this project were (1) to evaluate the stormwater infiltration capacity of GO-modified ...
Shi, Xianming, Xu, Gang
core  

How dense can one pack spheres of arbitrary size distribution?

open access: yes, 2012
We present the first systematic algorithm to estimate the maximum packing density of spheres when the grain sizes are drawn from an arbitrary size distribution. With an Apollonian filling rule, we implement our technique for disks in 2d and spheres in 3d.
Andrade Jr., José S.   +3 more
core   +1 more source

Effect of Locust Bean Pod Ash and Eggshell Ash on the Mortar Compressive and Flexural Strengths of Cement Blends [PDF]

open access: yes, 2020
An increase in the generation of biogenic wastes such as locust bean pods and eggshells coupled with the need to drive sustainability in the cement industry has led the use of these wastes as cement replacement materials.
Jibril, Abubakar   +2 more
core   +2 more sources

Shrinkage Mitigation and Mechanical Properties of Cement‐Based Mortar With Silane‐Functionalized Hydrogels

open access: yesJournal of Applied Polymer Science, EarlyView.
Schematic depiction of silane‐functionalized hydrogels utilized in this study along with chemical structures of the primary comonents (Acrylamide, N,N'‐methylenebisacrylamide, and 3‐(trimethoxysilyl) propyl methacrylate). ABSTRACT This study investigates the applications of silane‐loaded polymer hydrogels in field‐relevant cement‐based mortar intended ...
Daniel S. Hiller   +3 more
wiley   +1 more source

Utilization of copper slag as a cementitious material in reactive powder concrete [PDF]

open access: yes, 2015
This research studies the use of copper slag from a plant in Belgium as a cementitious material in reactive powder concrete (RPC). The quickly cooled granulated copper slag (QCS) was ground intensively using a planetary ball mill. A lower water-to-binder
De Belie, Nele   +3 more
core   +1 more source

Prescribing competence: The pros and cons of different methods for assessment

open access: yesBritish Journal of Clinical Pharmacology, EarlyView.
Evaluating a medical graduate’s competence in rational prescribing is challenging. With the aim to guide and inspire teachers, this narrative review explores different methods that can be used to assess prescribing competence. Each method has its own advantages and disadvantages, and thus a mix of different assessment methods is needed throughout the ...
David J. Brinkman   +3 more
wiley   +1 more source

Bending Resistance and Failure Type Evaluation of Basalt Fiber RPC Beam Affected by Notch and Interfacial Damage Using Acoustic Emission

open access: yesApplied Sciences, 2020
Generally, reactive powder concrete (RPC) contains steel fibers often exposed to aggressive environments. Steel fibers in such RPCs are subjected to corrosion in-service, which can significantly change the mechanical properties of the structural ...
Hanbing Liu   +4 more
doaj   +1 more source

Durability performance of Green Concrete Incorporating Various Wastes: A Review [PDF]

open access: yes, 2019
The present manuscript stands for the review on the topic of durability attribute of concretes developed by means of green conception with incorporation of a variety of solid industrial waste slag from Ground Granulated Blast Furnace, silica fume, rice ...
LUHAR, Ismail, LUHAR, Salmabanu
core  

Temperature‐dependent shear behavior and constitutive model of the rock–concrete interface

open access: yesDeep Underground Science and Engineering, EarlyView.
Shear tests were conducted to investigate the temperature‐dependent shear behavior of the rock–concrete interface, highlighting the interaction between the surrounding rock and the lining during tunnel fires. Under experimental conditions, concrete exhibited greater temperature sensitivity than rock, with the shear fracture surface transitioning from ...
Hongbin Chen   +6 more
wiley   +1 more source

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