Results 91 to 100 of about 496,578 (236)

Study of Damage to Shutters Exposed to a Vegetation Fire: Definition of Vulnerability Thresholds

open access: yesFire and Materials, EarlyView.
ABSTRACT This study examines the fire behavior of wooden, PVC, and aluminum shutters through laboratory and large‐scale experiments. Laboratory tests were conducted using a cone calorimeter to assess the ignitability of the PVC and wooden shutters, focusing on the critical heat flux of ignition, ignition time and critical Flux Time Product (FTP ...
C. Luciani   +5 more
wiley   +1 more source

Simultaneous upgrading of tar sand bitumen and coal by corefining

open access: yes, 1988
patentAn improved tar sands derived bitumen and coal liquification process is disclosed wherein substantial percentages of subdivided coal particles and tar sands derived bitumen liquids are mixed and then corefined with hydrogen under hydrocracking ...
Hsieh, C. Richard; Donaldson, William I.
core  

GC/MS analysis of coal tar composition produced from coal pyrolysis

open access: yesBulletin of the Chemical Society of Ethiopia, 2007
Coal tar is a significant product generated from coal pyrolysis. A detailed analytical study on its composition and chemical structure will be of great advantage to its further processing and utilization.
Jianfang Jiang   +4 more
doaj  

Experimental study on mechanical damage characteristics of water-bearing tar-rich coal under microwave radiation

open access: yesGeomechanics and Geophysics for Geo-Energy and Geo-Resources
As a recognized special resource, tar-rich coal can extract the country's scarce oil and gas resources and generate semi-coke that can replace anthracite and coking coal.
Pan Yang   +5 more
doaj   +1 more source

The Influence of Solid Heat Carrier Load of Char on Pyrolysis Characteristics of Pulverized Coal in a Fluidized Bed Reactor

open access: yesEnergies
Pulverized coal pyrolysis based on solid heat carrier has a huge advantage in high tar yield. In this study, pyrolysis experiments on pulverized coal were conducted in a lab-scale fluidized bed reactor at 650 °C, utilizing char as the solid heat carrier.
Xinli Li   +4 more
doaj   +1 more source

Exploring the Chemical Complexity and Toxicological Behaviour of Semi‐permanent Make‐Up Pigments: A Systematic Review

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT Semi‐permanent make‐up (SPMU), or micropigmentation, involves implanting pigments into the dermal layer of the skin for cosmetic enhancement. Unlike topical cosmetics, which are rapidly cleared from the body, SPMU pigments persist in living tissues, raising unique toxicological considerations.
T. A. N. Kaye   +3 more
wiley   +1 more source

Chronic Hand Eczema of Charlie Chaplin

open access: yesJEADV Clinical Practice, EarlyView.
Abstract Charlie Chaplin (1889–1977), one of the most iconic figures in cinema history, suffered throughout his career from a chronic hand eczema he consistently concealed behind white cotton gloves. According to his biographers, Chaplin attributed this condition to the prolonged handling of cellulose nitrate film stock during editing—a highly ...
Bruno Halioua, Charles Taieb
wiley   +1 more source

Triggering of Koebner Phenomenon by Picosecond Laser in a Psoriatic Patient: Clinical and Immunopathologic Insights

open access: yesLasers in Surgery and Medicine, EarlyView.
ABSTRACT Objectives To report the first case of Koebner phenomenon induced by picosecond laser treatment in a patient with psoriasis. We analyzed the clinical and histopathological features and discussed the possible mechanism by which the laser's photomechanical effect triggered the reaction.
Teppei Sakai, Koya Sonoda, Jun Omatsu
wiley   +1 more source

Progress in Explosion Mechanisms and Prevention Technologies for Direct Chill Casting Aluminum Melt Upon Water Contact: A Review

open access: yesSafety Science and Technology, EarlyView.
Molten aluminum–water explosion triggered by leakage remains the core unresolved safety hazard hindering safe production in aluminum direct chill casting. This review summarizes its explosion mechanism, key influencing factors, prevention technologies, existing gaps, and prospects of intelligent multi‐technology integrated explosion‐proof systems ...
Min Wang   +5 more
wiley   +1 more source

Assessing the Health Impacts of Contaminants on Green Turtles (Chelonia mydas) Along the Southern Coast of Brazil

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT Chemical pollutants pose a significant threat to marine ecosystems. Among these contaminants are trace elements and polycyclic aromatic hydrocarbons (PAH). Green turtles can be employed to evaluate the oceans' health due to their coastal habitats and exposure to multiple threats.
Camila Roberta da Silva Ribeiro   +6 more
wiley   +1 more source

Home - About - Disclaimer - Privacy