The extraction of gold involves using cyanide which has the potential to impact the environment. Many studies have been done to reduce the environmental effects of cyanide. In this research, the cyanide adsorption on zeolite from gold processing plant tailing dam wastewater was investigated. Results indicated that the pH of the solution, contact time duration, temperature, zeolite amo...

The variations in the low frequency dielectric spectra of mass impregnated insulation depending on its moisture content have been investigated. For the calibration purposes a number of the impregnated paper samples was kept in the desiccators where different relative humidities were maintained. Thus obtained moisture content in the samples ranged from 1 % up to 6 %. The variations of the comple...

an interventional field trial study was carried out in the dehdahst area, kohgiloyeh & buyer ahmad province, iran, during 1997-1998. efficacy of deltamethrin-impregnated bednet at target dosage of 25 a.i. mg/m2 and the incidence of malaria were compared in treated and untreated villages. in this area anopheles superpictus is the dominant species and the activity of the species occurs in one pea...

Infection control related to central venous catheter impregnated with antiseptics: an integrative review Ferreira MVF, Andrade D, Ferreira AM Rev Esc Enferm USP 2011; 45(4):993-7 www.ee.usp.br/reeusp/ Infection control related to central venous catheter impregnated with antiseptics: an integrative review* C r it iC a l r e v ie w CONTROLE DE INFECÇÃO RELACIONADA A CATETER VENOSO CENTRAL IMPREGN...

Pt impregnated on a Sn-beta catalyst results in a very promising catalyst for the selective hydrogenation of α,β-unsaturated aldehydes, compared to the PtSn co-impregnated beta catalysts. Framework tin ions in the Sn-beta sample stabilize the nucleation of platinum nanoparticles inside the zeolite channel. These Pt(0)-Sn(4+) sites, which are only observed in the Pt/Sn-beta catalyst, have been s...

Hepatitis B surface antigen (HBsAg) screening is an important procedure to determine the prevalence of hepatitis B (HBV) in a community. However, it is difficult, time consuming and expensive. In this study we aim to investigate the efficacy and usefulness of fingerprint blood impregnated paper in HBsAg screening. To our knowledge, blood impregnated paper is a practical, useful method for HBsAg...

BACKGROUND Antibiotic-impregnated bone cement is infrequently used in the United States for primary total hip arthroplasty because of concerns about cost, performance, and the possible development of antibiotic resistance and because it has been approved only for use in revision arthroplasty after infection. The purpose of this study was to model the use of antibiotic-impregnated bone cement in...

OBJECTIVE To determine the efficacy of ceramic impregnated gloves in the treatment of Raynaud's syndrome. DESIGN Double-blind, placebo-controlled study. SETTING Teaching hospital outpatient clinic. PARTICIPANTS Ninety-three patients meeting the "Pal" criteria for Raynaud's syndrome. INTERVENTIONS Treatment period of three months with use of ceramic-impregnated gloves. MAIN OUTCOME MEA...

We have performed a prospective single-blinded randomised study to evaluate the role of antibiotic-impregnated cement in the prevention of deep infection at primary total knee arthroplasty (TKA) in patients with diabetes mellitus. We studied prospectively 78 arthroplasties performed for osteoarthritis in such patients. They were randomly separated into two groups. In group 1 (41 knees), cefurox...