Results 101 to 110 of about 12,543 (264)

Oxygen and hydrogen isotope fractionation in serpentine–water and talc–water systems from 250 to 450°C MPa [PDF]

open access: yes, 2009
Oxygen and hydrogen isotope fractionation factors in the talc–water and serpentine–water systems have been determined by laboratory experiment from 250 to 450 °C at 50 MPa using the partial exchange technique.
Saccocia, Peter   +2 more
core   +1 more source

The Catalytic Hydrogenation of Phenanthrene: The Impact of Chrysotile and Coal Shale Catalysts

open access: yesFuels
This paper presents the results of a study of the catalytic hydrogenation of phenanthrene using catalysts based on chrysotile modified with nickel and titanium (chrysotile/NiTi), as well as coal shale.
Murzabek Baikenov   +9 more
doaj   +1 more source

The 1983-84 Suspensions of EDB Under FIFRA and the 1989 Asbestos Ban and Phaseout Rule Under TSCA: Two Case Studies in EPA's Use of Science [PDF]

open access: yes
This paper discusses EPA's acquisition and use of science in a decision under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA): the 1983-84 suspensions of ethylene dibromide (EDB); and in a decision under the Toxic Substances Control Act ...
Powell, Mark
core  

Analysis of changes in radiographic lung image and lung ventilation disorders in workers occupationally exposed to chrysotile in the past

open access: yesMedycyna Pracy, 2017
Background: The adverse health effects of occupational exposure to asbestos dust may occur several years after first exposure. The objective of the study was to assess the relationship between lesions in the respiratory system and the factors ...
Elżbieta Cwynar   +2 more
doaj   +1 more source

Making asbestos-cement products safe using heat treatment

open access: yesCase Studies in Construction Materials, 2019
The paper concerns the safe disposal of asbestos containing products (eternit) by means of heat treatment. Asbestos-cement samples were heat treated at 700 °C, 1000 °C and 1300 °C for 1 h.
Józef Iwaszko
doaj   +1 more source

Nanotubular Crystals of Co-chrysotile (Co-hydro Silicate) [PDF]

open access: yes, 2013
The purpose of this work is to determine the optimal parameters of synthesis of nano-tubular crystals Co-chrysotile. The optimal temperature ranges and pressure for the synthesis of nano-tubular crystals Co-chrysotile 573 – 673 K, 19.6 – 98.1 MPa at the ...
Beresnev, V.M.   +5 more
core  

Dilema o azbestu i ocjena rizika [PDF]

open access: yes, 2002
This paper gives a critical review of current problems related to quantitative health risk assessment of exposure to asbestos, and particularly to chrysotile, the only type of asbestos still available on the market. The paper reviews types, sources, uses
Fedor Valić
core   +1 more source

Home - About - Disclaimer - Privacy