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We obtain an existence theorem for monotone positive solutions of nonlinear second-order ordinary differential equations by using the Schauder-Tikhonov fixed point theorem. The result can also be applied to prove the existence of positive solutions of certain semilinear elliptic equations in R-n (n greater than or equal to 3).
Objectives: To evaluate whether, in patients with carcinoma in situ (CIS) of the urinary bladder, alternating instillation therapy with mitomycin C (MMC) and bacillus Calmette-Guerin (BCG) was more effective and less toxic than conventional BCG monotherapy. Methods: Patients were stratified prospectively for primary, secondary, and concomitant CIS and randomized to one of two regimens. Patients in
Pulmonary function measurements, bronchoalveolar lavage (BAL), and analyses of precipitating antibodies in blood were performed in 12 farmers wtih no symptoms from the airways and 12 farmers who were admitted to the hospital due to acute symptoms of alveolitis (all nonsmokers). In addition, a bronchial methacholine provocation test was performed in the asymptomatic farmers. In 11 of the 12 symptom
A new beam blanking system was installed at the Lund Nuclear Microprobe and employed in proton beam lithography (PBL) for polymer microstructures fabrication. The blanker consists of two parallel plates connected to a high voltage generator. Measurement of the beam blanking time on a sample was performed by means of the standard PIXE system. The beam is blanked and returns to a sample within 200 n
The extent and consequences of global land-cover and land-use change are increasingly apparent. One consequence not so apparent is the altered structure of plants belowground. This paper examines such belowground changes, emphasizing the interaction of altered root distributions with other factors and their treatment in models. Shifts of woody and herbaceous vegetation with deforestation, afforest
This article deals with an archaeology of Reformation in medieval Denmark. The change from Catholic to Protestant confession, which took place in 1536, ha,,; not been subject to elaborate investigation by archaeologists. The main question is, whether material culture reflects differences in the lifestyle between people possessing a Catholic or Protestant belief The focus is to find out how the dif
The effects of fetal asphyxia on cerebral function and development, involve the transition from fetal to neonatal life. Changes in cerebral glucose metabolism may be an early postnatal indicator of fetal asphyxia. The objective is to develop an experimental lamb model involving the transition from fetal to neonatal life and to examine the effect of fetal asphyxia with cerebral hypoxic ischemia on
Located within the tradition of Hermeneutic Dialectics (HD) this paper offers an approach which can further an analysis of a fit between information and organizational systems. Drawn upon Information Systems Development projects a relationship between theory and practice is aided through a multi-disciplinary approach to sense making activity. Using a contemporary version of contextual analysis to
Popular Abstract in Swedish Rätt förhållande mellan mängden bränsle och luft är viktigt i dagens förbränningsmotorer för att den katalytiska avgasreningen skall fungera. Motorer i serieproduktion mäter syrehalten i avgaserna för att få en uppfattning om blandningsförhållandet. Denna utvecklar en metod att skatta blandningsförhållandet genom mätning av cylindertrycket. Man kan på så sätt få snabbarThis thesis investigates the use of cylinder pressure measurements for estimation of the in-cylinder air/fuel ratio in a spark ignited internal combustion engine. An estimation model which uses the net heat release profile for estimating the cylinder air/fuel ratio of a spark ignition engine is developed. The net heat release profile is computed from the cylinder pressure trace and quantifies the
Popular Abstract in Swedish Livskvalitet och problem i dagligt liv under och efter akut leukemi eller högmalignt lymfom - ett omvårdnadsperspektiv. Syftet med avhandlingen var att undersöka hur personer med akut leukemi eller hög- malignt lymfom upplevde och hanterade de problem som uppstod i det dagliga livet i samband med sjukdom och behandling och efter det att behandlingen avslutats. StudierThe aims of this thesis were, to investigate the impact on daily living of acute leukaemia or highly malignant lymphoma when under treatment, viewed retrospectively and from a longitudinal perspective, from the point of view of the patients and their spouses, and to ascertain their view of the nursing care provided. A combination of qualitative and quantitative methods was use i.e. open-ended inte
The movements of 8 green turtles Chelonia mydas in Brazilian coastal waters were tracked using transmitters linked to the Argos system for periods of between 1 and 197 d. These were the first tracking data gathered on juveniles of this species in this important foraging ground. Information was integrated with that collected over a decade using traditional flipper-tagging methods at the same site.
