1981. Poročilo o preskusu št.: LVG 2024-008 : vzorec št. 2023/00772Nikica Ogris, 2024, izvedensko mnenje, arbitražna odločba Ključne besede: varstvo gozdov, morfološke analize, navadna smreka, Picea abies, rdečenje smrekovih iglic, Lophodermium piceae, smrekov zavijač, Epinotia tedella, bolezen iglic Objavljeno v DiRROS: 31.01.2024; Ogledov: 335; Prenosov: 123 Celotno besedilo (1,12 MB) |
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1984. Magnetic resonance spectroscopy: an overview of the method and its applicationin clinical neuroradiologyAleš Koren, 2002, izvirni znanstveni članek Povzetek: Background. Magnetic resonance spectroscopy (MRS) is a comparatively new diagnostic method. Brain tissue is very suitable for MRS analysis. In practice, only a small number of compounds present in the brain may be analysed by MRS. The utility of MRS in neuroradiology and clinical practice isconstantly growing since the investigation is of help in the differential diagnosis of pathological processes as well as in assessing the progress of a disease and evaluating the outcome of treatment. In analysing the data obtained, a number of factors that may influence the objectivity of the resultmust be taken into account. The magnetic resonance scanner located at the Institute of Radiology, University Medical Centre Ljubljana, utilises modern MRS protocols and has proved a valuable tool in the diagnostic evaluation of neurologic diseases. Conclusions. MRS provides spectral analysisof substance in a selected volume of tissue, thereby offering an insight into the metabolic state of the tissue. Objavljeno v DiRROS: 31.01.2024; Ogledov: 297; Prenosov: 66 Celotno besedilo (110,16 KB) |
1985. Gastroparesis in a young diabetic patientPrimož Kovačič, Breda Jamar, 2002, izvirni znanstveni članek Povzetek: Background. Gastroparesis is defined as a delay in emptying of contents from the stomach and occurs in a variety of conditions, e.g. after vagotomy or in systemic diseases such as diabetes mellitus, scleroderma and amyloidosis. The purpose of this paper is to present the radiologic examination, a simple, reliable and noninvasive method as an alternative to other methods for the assessment of gastric emptying. Case report. A twenty-one years old female wasadmitted because of suspected autonomic neuropathy. She had insulin dependent diabetes mellitus type 1 for the last ten years. At the time of admission she was complaining of nausea, vomiting weakness and occasional dizziness. A barium study of oesophagus and stomach was performed: oesophagus was dilated and aperistaltic, remnants of food were seen in aperistaltic stomach but no obstruction, causing delayed emptying, was found. Conclusions. Scintigraphy is at the present the standard technique for the assessment of gastric emptying. Ultrasonography, magnetic resonance imaging; electrogastrography, gastroduodenal manometry and emptying of radiopaque pellets are also used for the evaluation of gastric motility in cases of delayed gastric emptying. The role of barium studies remains to be established. Objavljeno v DiRROS: 31.01.2024; Ogledov: 270; Prenosov: 65 Celotno besedilo (79,86 KB) |
1986. Podroben pregled tokov lesa od gozda do sekundarne rabe lesaŠpela Ščap, Peter Prislan, 2023, elaborat, predštudija, študija Ključne besede: gozdni lesni sortimenti, okrogli les, trg lesa, proizvodnja, gozdno-lesni sektor, zunanja trgovina, tokovi lesa, poraba lesa, les v gradbeništvu, pohištvena industrija Objavljeno v DiRROS: 31.01.2024; Ogledov: 438; Prenosov: 0 |
1987. Ocena stanja lesnopredelovalnega sektorjaŠpela Ščap, Darja Stare, Martin Jež, 2023, elaborat, predštudija, študija Ključne besede: gozdni lesni sortimenti, okrogli les, trg lesa, proizvodnja, gozdno-lesni sektor, politični ukrepi, zunanja trgovina, lesni proizvodi, napovedi tokov lesa, tokovi lesa, les za energetske namene, inovativni lesni proizvodi, trg lesnih proizvodov v Evropi, ogljik v lesnih izdelkih Objavljeno v DiRROS: 31.01.2024; Ogledov: 364; Prenosov: 0 |
1988. Improving the surface properties of additive-manufactured Inconel 625 by plasma nitridingDanijela Anica Skobir Balantič, Črtomir Donik, Bojan Podgornik, Aleksandra Kocijan, Matjaž Godec, 2023, izvirni znanstveni članek Povzetek: As a surface-hardening technique, plasma nitriding is a common procedure for improving the properties of
conventional Ni-based alloys. The diffusion of nitrogen hardens a layer on the surface of the alloy, leading to
better wear resistance and a higher coefficient of friction, as well as a higher surface hardness. This study reports
the effect of plasma nitriding on additive-manufactured (AM) Inconel 625 (IN625) compared to its conventional
manufactured and nitrided counterparts. The samples produced with the laser powder-bed fusion (LPBF) process
were subsequently plasma nitrided in the as-built condition, stress-relief annealed at 870 °C and solution treated
at 1050 °C. The plasma nitridings were carried out at 430 °C and 500 °C for 15 h. The growth kinetics of the
nitride layer of the AM samples depends on the prior heat treatments and is faster in the as-built state due to the
specific cellular structure. The lower nitriding temperature leads to the formation of expanded austenite in the
nitride layer, while at the higher nitriding temperature, the expanded austenite decomposes and CrN precipitation
occurs. The XRD and SEM analyses confirmed the presence of two layers: the surface layer and the
diffusion layer beneath. The lower nitriding temperature caused the formation of expanded austenite or a
combination of expanded austenite and CrN. The higher nitriding temperature led to the decomposition of the
expanded austenite and to the formation/precipitation of CrN. The higher nitriding temperature also decreased
the corrosion resistance slightly due to the increased number of precipitated Cr-nitrides. On the other hand, the
wear resistance was significantly improved after plasma nitriding and was much less influenced by the nitriding
temperature. Ključne besede: additive manufacturing, powder-bed fusion, plasma nitriding, expanded austenite, wear and corrosion resistance, Ni-based alloy Objavljeno v DiRROS: 31.01.2024; Ogledov: 388; Prenosov: 146 Celotno besedilo (7,98 MB) Gradivo ima več datotek! Več... |
1989. A brief overview of the tumor vaccines through the last decadeSrdjan Novaković, Barbara Jezeršek Novaković, 2002, pregledni znanstveni članek Povzetek: How to destroy cancer cells without damaging the normal cells? How to make conventional methods of systemic cancer treatment that predominantly comprise cytotoxic drugs more selective and prevent the development of drug resistance?There is an abundance of such guestions that do not have simple answers. If, a few years ago, unselective cytotoxic drugs were the method of choice for the treatment of cancer, in the last 25 years we are witnessing therapid transition of immunotherapy from the laboratories to the clinics. Among the most attractive and promising immunotherapies for cancer, a special place is reserved for tumor vaccines. Exploiting the latest knowledge in immunology, tumor physiology, as well as in molecular biology, many outstanding approaches for the creation of tumor vaccines have been developed.With no intention to be comprehensive, in the present article some of those approaches are reviewed. Objavljeno v DiRROS: 31.01.2024; Ogledov: 327; Prenosov: 68 Celotno besedilo (97,46 KB) |
1990. Infantile myofibromathosis of the maxilla. A case reportNataša Ihan Hren, 2002, strokovni članek Povzetek: Background. Infantile myofibromatosis is a rare benign tumour in children. Itscharacteristic symptoms are firm masses in soft tissues, bones and visceralorgans, and its common locations are head and neck. Three forms are well known: solitary, multicentric and visceral myofibromatosis. All have excellent prognosis, except the last one that may be lethal. Spontaneous regression can occur. Case report. We present an unusual case of infantile myofibromatosis of the maxilla in an adolescent. Conclusions. The infantile myofibromatosis should be managed with special caution because of the differential-diagnostic similarity with fibrosarcoma, leomyosarcoma, and histiocytosis. Objavljeno v DiRROS: 31.01.2024; Ogledov: 272; Prenosov: 68 Celotno besedilo (145,86 KB) |