1,515 research outputs found
S. J. Suys-Reitsma, Het Homerisch epos als orale schepping van een dichter-hetairie
No full textMertens Paul. S. J. Suys-Reitsma, Het Homerisch epos als orale schepping van een dichter-hetairie. In: L'antiquité classique, Tome 25, fasc. 2, 1956. pp. 453-454
S. J. Suys-Reitsma, Het Homerisch epos als orale schepping van een dichter-hetairie
No full textMertens Paul. S. J. Suys-Reitsma, Het Homerisch epos als orale schepping van een dichter-hetairie. In: L'antiquité classique, Tome 25, fasc. 2, 1956. pp. 453-454
An experimental investigation of potassium permanganate treatment of pooled DNAPL.
No full textIn situ chemical oxidation using potassium permanganate (KMnO4) is an innovative technology applied in the remediation of dense non-aqueous phase liquids (DNAPL) from contaminated groundwater and soil. Experiments were designed to examine important processes that occur during oxidation of pooled DNAPL treated by KMnO4. All experiments were conducted in a two-dimensional tank that contained a single DNAPL pool of either perchloroethylene (PCE) or trichloroethylene (TCE) in a homogeneous porous media. Visual observations and chemical analysis of reactants and products were completed to establish and quantify important oxidation processes. Experimental results showed the effectiveness of KMnO4 treatment and removal of pooled DNAPL to be dependent upon several factors. Extensive manganese dioxide (MnO2) precipitation occurred around the DNAPL pool that potentially reduced the effectiveness of treatment. Significant production of carbon dioxide (CO2) caused de-saturation of the porous media containing the DNAPL. Subsequent reduction of KMnO4 flow into this area resulted in a reduction in treatment efficiency. Mobilization of DNAPL pools due to CO2 degassing was also observed in all experiments. Movement of CO2 gas carrying DNAPL vapour was identified as an important mass transport mechanism.Dept. of Civil and Environmental Engineering. Paper copy at Leddy Library: Theses & Major Papers - Basement, West Bldg. / Call Number: Thesis2000 .M357. Source: Masters Abstracts International, Volume: 39-02, page: 0589. Adviser: S. Reitsma. Thesis (M.A.Sc.)--University of Windsor (Canada), 2000
How do we determine whether community health workers are cost-effective? Some core methodological issues.
No full textSince the Alma-Ata Conference in 1978 reiterated the goal of "Health for All by the Year 2000", health service delivery programs promoting the primary health care approach using community health workers (CHWs) have been established in many developing countries. These programs are expected to improve the cost-effectiveness of health care systems by reaching large numbers of previously underserved people with high-impact basic services at low cost. However, there is a dearth of data on the cost-effectiveness of CHW programs to confirm these views. This may be because conventional approaches to economic evaluation, particularly cost-effectiveness, tend not to capture the institutional features of CHW programs. Therefore, this paper aims to examine the means by which economic methods can be extended to provide evidence regarding the cost-effectiveness of CHWs in developing countries
An economic analysis of midwifery training programmes in South Kalimantan, Indonesia.
No full textIn order to improve the knowledge and skills of midwives at health facilities and those based in villages in South Kalimantan, Indonesia, three in-service training programmes were carried out during 1995-98. A scheme used for both facility and village midwives included training at training centres, peer review and continuing education. One restricted to village midwives involved an internship programme in district hospitals. The incremental cost-effectiveness of these programmes was assessed from the standpoint of the health care provider. It was estimated that the first scheme could be expanded to increase the number of competent midwives based in facilities and villages in South Kalimantan by 1% at incremental costs of US 1175.7 respectively, and that replication beyond South Kalimantan could increase the number of competent midwives based in facilities and villages by 1% at incremental costs of US 1786.4 per midwife respectively. It was also estimated that the number of competent village midwives could be increased by 1% at an incremental cost of US 146.2 per intern for expanding the scheme in South Kalimantan. It was not clear whether the training programmes were more or less cost-effective than other safe motherhood interventions because the nature of the outcome measures hindered comparison
The cost effectiveness of universal antenatal screening for HIV in New Zealand.
No full textOBJECTIVE: To model the incremental costs and benefits of a universal antenatal HIV screening programme in New Zealand (NZ). DESIGN: Cost effectiveness analysis, including only health service costs, using secondary data sources and expert opinion. Uncertainty assessed in multi-way sensitivity analyses. SETTING: The NZ Health Care System. SUBJECTS: Antenatal population of NZ. INTERVENTION: Universal antenatal HIV screening programme. MAIN OUTCOME MEASURES: Incremental cost per true-positive HIV case detected in mothers; incremental cost per HIV case avoided in babies; and incremental cost per discounted life-year gained, for mothers and babies, due to screening. RESULTS: Using base case values the application of universal screening would cost an additional US 307 917) and would lead to the identification of an additional 6.25 true-positive women. After terminations have been excluded, the screening programme would detect five HIV exposed babies. There would be 1.15 avoided cases of HIV infection in babies and a net gain of 41.97 discounted life-years, for mothers and babies combined. The cost per incremental HIV-positive woman detected was US 49 301), HIV infected baby avoided US 267 944) and discounted life-year gained US 7336). CONCLUSION: The discounted cost per life gained in NZ compares favourably to estimates reported in studies of similar interventions in other developed countries and other health care interventions in NZ. The decision of whether to implement universal screening in NZ would be clarified if the prevalence of antenatal HIV infection was known and policy makers identified their willingness to pay for an additional life-year gained
Egocentric Projective Spatial Reasoning: An Implementation for use within a Location Based Service which uses Visual Exposure Modelling
No full textDoorgroeibaarheid van geotextielen, eindverslag van een tweejarige proefopstelling met riet
No full textHet gebruik van kunststof filterdoeken (geotextielen) in oeverconstructies is nodig in relatief zwaar aangevallen oevers. De begroeiing vormt in dergelijke situaties een aanvullende verdediging tegen erosie door golven. Om een optimale ontwikkeling van de begroeiing mogelijk te maken is het nodig geotextielen toe te passen die relatief goed doorgroeibaar zijn. Omdat er relatief weinig bekend is van de mate waarin geotextielen doorgroeibaar zijn en welke eigenschappen daarvoor verantwoordelijk zijn, is door middel van een buitenopstelling de doorgroeibaarheid van 35 verschillende typen geotextiel getest. De proefopstelling was zodanig gekozen dat de oeversituatie zo veel mogelijk werd nagebootst. De looptijd van de proef bedroeg twee jaar. Er is gebruik gemaakt van één plantesoort, riet. In dit rapport wordt verslag gedaan van deze proef en worden de resultaten geanalyseerd. Deze rapportage kan beschouwd worden als een vervolg en tevens afronding van een eerder uitgevoerde pilot studie (Reitsma, 1992). Apart voor vliezen en weefsels zijn met behulp van stapsgewijze regressie correlaties opgespoord tussen de relevante produkteigenschappen (gewicht, sterkte en rek in de ketting- en inslagrichting (trek-ketting, trek-inslag, rekketting, rek-inslag), poriegrootte (O90J en waterdoorlatendheid) en de doorgroeiresultaten (drooggewicht bovengronds, drooggewicht ondergronds, aantal doorboringen in 1993, aantal stengels in 1994, aantal doorboringen in 1994, spruitdiameter en spruitlengte). Bij weefsels wordt de doorgroeibaarheid vooral bepaald door het gewicht, bij vliezen door de 0 90. Hoe groter het gewicht respectievelijk hoe kleiner de 0 90, des te slechter de doorgroeibaarheid. Als maat voor de vitaliteit van het riet wordt de gemiddelde spruitlengte en spruitdiameter gezien. Deze eigenschappen worden bij weefsels vooral bepaald door respectievelijk de trek-ketting en de trek-inslag, bij vliezen in beide gevallen voornamelijk door de trek-inslag. Bij een hogere waarde voor de trek-ketting c.q. trek-inslag neemt de afsnoering toe en daarmee de vitaliteit van het gewas af
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