Solar energy is the most important green source that may be used to address problems caused by conventional sources. The research in this paper aims evaluate solar potential of M'Sila, an Algerian internal region, and determine which technology, among those currently available on market, adequate for harnessing electricity production (PV CSP). This assessment was based data (daily temperature d...

Since August 1984 patients with end-stage renal disease in Kenya have been started on haemodialysis with a view to renal transplantation. In a two year period (August 1984-August 1986) 77 patients mean age 29.6 years (49 males), have been dialysed. The mean duration on dialysis prior to death or transplantation was 2.9 months (range 1 day to 11 months). Fifty patients (65%) died while on dialys...

Using three large nationally-representative Malaysian Household Income Surveys from 1984, 1989 and 1997, the present paper examines inequality and determinants of earnings. During the period 1984–1997, Malaysia’s real per capita GDP increased by approximately 70 percent, the participation rates for both men and women went up among all age groups, and the average number of years of schooling inc...

To describe the epidemiology of appendicitis and appendectomy in the United States, the authors analyzed National Hospital Discharge Survey data for the years 1979-1984. Approximately 250,000 cases of appendicitis occurred annually in the United States during this period, accounting for an estimated 1 million hospital days per year. The highest incidence of primary positive appendectomy (append...

Testing for antibodies against human immunodeficiency virus (HIV) was introduced in 1984 in this major sexually transmitted disease (STD) clinic in Copenhagen, which is attended by about 10,000 new patients each year. From 1984 to 1987 the proportion of patients examined for antibodies to HIV rose from 6% to 32%. The overall incidence of HIV antibody positivity decreased from 30% in 1984 to 3% ...

OBJECTIVES To examine 25 year trends in first time hospitalisation for acute myocardial infarction in Denmark, subsequent short and long term mortality, and the prognostic impact of sex and comorbidity. DESIGN Nationwide population based cohort study using medical registries. SETTING All hospitals in Denmark. SUBJECTS 234,331 patients with a first time hospitalisation for myocardial infar...

OBJECTIVE To describe the relationship of change in retinal vessel diameters to the subsequent 6-year incidence and progression of diabetic retinopathy (DR) and incidence of proliferative diabetic retinopathy (PDR) and macular edema (ME) in persons with diabetes mellitus. DESIGN A total of 1098 persons with diabetes who had DR graded from fundus photographs and had computer-assisted measureme...

Objectives To examine 25 year trends in first time hospitalisation for acute myocardial infarction in Denmark, subsequent short and long term mortality, and the prognostic impact of sex and comorbidity. Design Nationwide population based cohort study using medical registries. Setting All hospitals in Denmark. Subjects 234 331 patients with a first time hospitalisation for myocardial infarction ...

AIM To evaluate cancer risk in Brezice municipality in the period 1984-2003 and compare it with the period 1970-1983, before Krsko nuclear power plant started operating in the vicinity. METHODS A descriptive geographical epidemiological study was performed to compare the cancer relative risks (RR) on the national, regional, and local level. We estimated RR for all cancers combined, the five m...