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The objective of this paper is to investigate how the combustion chamber design will influence combustion parameters and emissions in a natural gas SI engine. Ten different geometries were tried on a converted Volvo TD102 engine. For the different combustion chambers emissions and the pressure in the cylinder have been measured. The pressure in the cylinder was then used in a one-zone heat-releas
Superporous agarose beads were used as a support for hydrophobic interaction chromatography. These beads have large connecting flow pores in addition to their normal diffusion pores. The flow pores, which are approximately one fifth of the overall diameter of the superporous agarose beads, were earlier shown to give the beads improved mass transfer properties relative to homogeneous agarose beads
Combustion of CO, ethyl acetate and ethanol was studied over CuOx/Al2O3, CuOx-CeO2/Al2O3, CuMn2O4/Al2O3 and Mn2O3/Al2O3 catalysts. It was found that modification of the alumina with ceria before subsequent copper oxide deposition increases the activity for combustion of CO substantially, but the effect of ceria was small on the combustion of ethyl acetate and ethanol, The activity increases with t
OBJECTIVES. The study investigated if women with experience of casual travel sex, with a previously unknown man abroad, on different types of journeys (charter, vagabond, business and education trips), differ with regard to sexual risk behavior and history of sexually transmitted diseases (STDs). STUDY DESIGN. The study population consisted of 996 women. Of these, 27.7% admitted that they had had
Ett historiskt fall, fem personer som under stora nordiska kriget med hjälp av en båt försökte fly till Danmark undan utskrivningar och elände men fastnade på Lägerholmen, en ö längst ut i skärgården utanför nordöstra Skåne.
During an 11-year period 117 extraanatomic reconstructions were made for aorto-iliac arteriosclerosis; 36 axillofemoral and 81 femorofemoral crossover bypasses. The patients were old and had several factors making them poor risks for surgery. Axillofemoral grafts were more often used in patients with malignant disease. Postoperative mortality was 10% without difference between the two types of rec
OBJECTIVE: Age adjusted incidence of myocardial infarction has been found to vary substantially between the residential areas of the city of Malmo. The objective of this study was to assess the extent to which major biological risk factors and socio-economic circumstances account for the differences in incidence of and mortality from myocardial infarction. DESIGN: Ecological study of risk factor p
Objectives To ascertain whether the risk for congenital malformations is increased in pregnancies with deviating fetal growth, i.e. in those in which the estimated date of delivery (EDD) was postponed more than 1 week at the second- trimester ultrasound fetometry scan, or those suspected of intrauterine growth restriction at routine ultrasound fetometry in the third trimester. Methods The study pe
The changes in plasma gastrin-releasing peptide (GRP), arginine vasopressin (AVP), neuropeptide Y (NPY), corticotropin releasing hormone (CRH), galanin, ACTH, cortisol, delta sleep-inducing peptide (DSIP), adrenaline, noradrenaline and pancreatic polypeptide (PP) were measured after 5 and 15 minutes of acute insulin-induced moderate hypoglycaemia (2.0 mmol/l) in 10 patients with Type 1 diabetes me
A parallel finite element approach for analyzing micromechanical problems with periodic unit cells is discussed. The method uses a direct solution strategy so that general periodic boundary conditions can be treated using a two-step domain decomposition strategy. The speedup results show a good performance of the method on coarse-grained problems, i.e. for cases where the computational work done o
Anionic DNA and cationic surfactants form charge neutral complexes that contain finite amounts of water. There is a strong electrostatic attraction between the oppositely charged species, and the finite swelling is caused by an opposing repulsive force. Adding NaCl to the complexes provides an opportunity to modulate the strength of the electrostatic attraction. The thermodynamics of the isotherma
En föreställningsanalys av Staffan Valdemar Holms uppsättning av Frank Wedekinds dram Lulu i Malmö 1994.
Objective To investigate whether venous Doppler velocimetric signs of cardiac decompensation might predict fetal demise in severely compromised fetuses. Material and methods This was a prospective study involving 154 growth-restricted fetuses, 37 of which were found to have reversed flow in the umbilical artery (BFC III). Doppler velocimetry of the right hepatic vein and ductus venosus were invest
The title compound, [PtCl(C32H27P2)], has a pseudo-square-planar coordination geometry around the Pt atom with the P,C,P'-tridentate ligand forming two five-membered rings that are tilted with respect to the coordination plane. The two Pt-P the Pt-Cl and the Pt-C distances are 2.2794 (9)/2.2749 (10), 2.3831 (10) and 2.002 (3) Angstrom, respectively.
High-Level Grafchart is a graphical programming language for control of sequential processes. Sequential control is important in all kinds of industries: discrete, continuous and batch. Sequential elements show up both on the local control level and on the supervisory control level. High-Level Grafchart combines the graphical syntax of Grafcet/SFC with high-level programming language constructs an
