نتایج جستجو برای: geosynthetic clay liners

تعداد نتایج: 23702  

Journal: :Fungal Genetics Reports 1989

2006
Qingwen Wu Xinwu Cao

It is argued that there is a linear correlation between star formation rate (SFR) and accretion rate for normal bright active galactic nuclei (AGNs). However, it is still unclear whether this correlation holds for LINERs, of which the accretion rates are relatively lower than those of normal bright AGNs. The radiatively inefficient accretion flows (RIAFs) are believed to be present in these LIN...

Journal: :Journal of physics 2023

Abstract As a new-type anti-seepage material, Geosynthetic Clay Liner (hereinafter referred to as GCL) has been applied in various projects and achieved good benefits. Based on different salt solution types, concentrations, dry-wet, freeze-thaw cycles, this paper designs permeability test of GCL after aging, the result shows that: (1) under influencing factors single solution, there is threshol...

Journal: :Antimicrobial agents and chemotherapy 2000
N McLain R Ascanio C Baker R A Strohaver J W Dolan

Resilient liners are frequently used to treat denture stomatitis, a condition often associated with Candida albicans infections. Of 10 liners tested, 2 were found to inhibit the switch from the yeast form to hyphae and a third was found to stimulate this switch. The inhibitor was determined to be undecylenic acid.

Journal: :Monthly Notices of the Royal Astronomical Society 2022

The ionizing source of Low Ionization Nuclear Emission Regions (LINERs) is uncertain. Because this, an empirical relation to determine the chemical abundances these objects has not been proposed. In this work, for first time, we derived two semi-empirical calibrations based on photoionization models estimate oxygen abundance LINERS as a function $N2$ and $O3N2$ emission-line intensity ratios. T...

Journal: :Biomaterials 2000
H Murat N Taguchi T Hamada J F McCabe

The dynamic viscoelastic properties of long-term soft denture liners were measured over a wide range of frequencies using a dynamic viscoelastometer based on a non-resonance-forced vibration principle. Changes in properties over a 3 yr period have also been monitored. One acrylic material, one fluoroelastomer, one heat cured silicone and one self-curing addition silicone were used. Complex dyna...

Journal: :Environmental research & technology 2022

Lime soil treatment is a chemical process in which lime (quicklime, hydrated or slurry) mixed with the place subgrade and reaction takes place. The reacts clay particles to create cementitious matrix. design of landfill base liners including layer as fluid barrier (i.e. water-resistant impervious layer) requires neat engineering approach considering, particular, consolidation behavior well hydr...

2015
Steven M. Kurtz Daniel W. MacDonald Michael A. Mont Javad Parvizi Arthur L. Malkani William Hozack

BACKGROUND First-generation annealed and second-generation sequentially annealed, highly crosslinked polyethylenes (HXLPEs) have documented reduced clinical wear rates in their first decade of clinical use compared with conventional gamma inert-sterilized polyethylene. However, for both types of annealed HXLPE formulations, little is known about their reasons for revision, their in vivo oxidati...

Journal: :Water 2022

The technique of using clay-sand mixtures as liners has been widely used in several geotechnical projects where hydraulic barriers or waste-buffer layers are required. During weather fluctuations and below-zero temperature conditions, these can be subjected to successive freeze-thaw cycles. serviceability such needs examined during their lifetime for efficiency function under suspected conditio...

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