Results 11 to 20 of about 115,119 (281)

Bleaching-driven reef community shifts drive pulses of increased reef sediment generation [PDF]

open access: yesRoyal Society Open Science, 2020
The ecological impacts of coral bleaching on reef communities are well documented, but resultant impacts upon reef-derived sediment supply are poorly quantified.
Chris T. Perry   +3 more
doaj   +8 more sources

Effect of pulping and bleaching on pulp carbohydrates and technical properties

open access: yes, 1996
Pulping and bleaching have a profound effect on the carbohydrate chem. of kraft pulps.  The chem. structure of xylan is modified due to the conversion of methylglucuronic acid side groups to hexenuronic acid side groups.
Vuorinen, Tapani   +4 more
core   +9 more sources

IN SITU BIODIESEL PRODUCTION FROM RESIDUAL OIL RECOVERED FROM SPENT BLEACHING EARTH [PDF]

open access: yes, 2011
Currently, semi-refined and refined vegetable are the predominant feedstock used in biodiesel production. However, the relatively high cost hinder the development of biodiesel industry due to the resulting fuels is unable to compete with petroleum ...
JOHARI, ANWAR   +9 more
core   +2 more sources

Reconstructing Four Centuries of Temperature-Induced Coral Bleaching on the Great Barrier Reef

open access: yesFrontiers in Marine Science, 2018
Mass coral bleaching events during the last 20 years have caused major concern over the future of coral reefs worldwide. Despite damage to key ecosystem engineers, little is known about bleaching frequency prior to 1979 when regular modern systematic ...
Nicholas A. Kamenos   +1 more
doaj   +1 more source

The Bleaching of Flour [PDF]

open access: yesJournal of Hygiene, 1909
A case recently tried before Mr Justice Warrington (The Flour Oxidising Co., Ld.v. J. and R. Hutchinson) has brought to light, what I do not imagine is a matter of common knowledge, namely that large quantities of flour both in this country and abroad are artificially bleached in order it would appear primarily to satisfy the fancy of the public for ...
openaire   +2 more sources

Cell death and degeneration in the symbiotic dinoflagellates of the coral Stylophora pistillata during bleaching [PDF]

open access: yes, 2004
Rising sea temperatures are increasing the incidences of mass coral bleaching (the dissociation of the coral–algal symbiosis) and coral mortality. In this study, the effects of bleaching (induced by elevated light and temperature) on the condition of ...
Berges , John A.   +6 more
core   +1 more source

The Effects of Home Bleaching and Laser Bleaching on Tooth Color Change: A Comprehensive Review [PDF]

open access: yesJournal of Mashhad Dental School
Background: This review article aimed to evaluate and compare the color change outcomes of two tooth whitening methods, namely, home bleaching and laser bleaching, and to also assess their efficacy and safety.Methods and Materials: A comprehensive search
Marzieh Rohaninasab, Mohammad Alamdar
doaj   +1 more source

Tooth-whitening activity of a novel home-bleaching system utilising thermal diffusion : a multifactorial simultaneous evaluation of efficacy at cervical, body and incisal tooth sites [PDF]

open access: yes, 2012
Introduction The ability of a thermal diffusion system (TDS) to promote the tooth-whitening actions of a bleaching gel/bleaching activator combination product (containing a final hydrogen peroxide (H2O2) content of 10.0% (w/v)) towards discoloured 'smile-
Grootveld, Martin   +6 more
core   +1 more source

Spectrophotometric assessment of tooth bleaching under orthodontic braquets bonded with different materials

open access: yesRevista de Odontologia da UNESP, 2017
Introduction patients have been submitted to tooth bleaching during orthodontic treatment for aesthetic purposes or to anticipate the replacement of restorations after completion of the treatment.
Camila Maria Lima de CASTRO   +4 more
doaj   +1 more source

Study on Bleaching Technology of Cotton Fabric with Sodium Percarbonate

open access: yesMATEC Web of Conferences, 2016
Bleach cotton fabric with sodium percarbonate solution. Analyse of the effect of the concentration of sodium percarbonate solution, bleaching time, bleaching temperature and the light radiation on the bleaching effect of fabric.The result shows that ...
Li Zhi, Wang Yanling, Wang Zhichao
doaj   +1 more source

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