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infects sheep and causes a clinical or subclinical disease characterized by genital lesions and reduced fertility in rams, placentitis and abortions in ewes, and increased perinatal mortality in ...lambs. As part of this study, analyses were conducted on a sheep farm near Belgrade (Serbia). Of the serological tests, indirect ELISA was performed. A total of 94 blood sera were analyzed, 33 from rams and 61 from ewes. The results showed 23 (69.7%) positive findings in rams and 2 (3.3%) positive findings in ewes, with an overall prevalence of 25.4% bounded by a 95% confidence interval. Bruce-ladder multiplex PCR and Real time PCR were performed on 19 serologically positive rams and two serologically positive ewes. The results indicate a slightly higher sensitivity of Real time PCR compared to conventional PCR in diagnosing
from the reproductive tissues of rams. However, the differences in sensitivity between different nucleic acid extraction protocols were not significant. Most rams showed a positive PCR result in only one sample of reproductive tissue, suggesting the recommendation to take multiple samples from each animal. Further research is needed to bring the sensitivity of molecular tests in diagnosing ram epididymitis closer to the sensitivity of serological tests.
•Solar energy is very important alternative energy due to the vase deposit.•The main goal of the study was to analyze the solar radiation.•Adaptive neuro-fuzzy inference system (ANFIS) was used.•To ...estimate the parameters influence on the solar radiation prediction.
Solar energy is very important alternative energy due to the vase deposit. The main goal of the study was to analyze the solar radiation based on the four parameters: mean sea level (MSL), dry-bulb temperature (DBT), wet-bulb temperature (WBT) and relative humidity (RH). Adaptive neuro-fuzzy inference system (ANFIS) was used in order to estimate the parameters influence on the solar radiation prediction. Variable selection process was used to select the most dominant factors which affect the solar radiation prediction. The results shown that the DBT and RH are the most dominant factors for the solar radiation prediction.
Background: Uterine fibroids (UFs) are the most common female benign tumors linked to significant morbidity. There are large literature data connecting UFs with infertility and adverse pregnancy ...outcome. In this research, authors reviewed literature on UFs, analyzing their relationship with infertility, influence of different therapeutic approaches of UFs on fertility and the possible mechanisms related to UFs and infertility. Methods: MEDLINE and PubMed search, during the years 1990–2020 was performed using a combination of keywords on such topic. Peer-reviewed, systematic review, meta-analysis and prospective trials, examining relationship between UFs and infertility were included in this investigation. According to authors evaluation, additional articles were also identified from the retrieved papers references and included in this narrative review. Results: UFs, especially the submucous and intramural types, with related treatments are linked to impairment of fertility and adverse pregnancy outcome, but many data are conflicting. Molecular mechanisms investigations could explain relationship between UFs and infertility. Conclusion: UFs are linked to infertility and interventions improve fertility. However, many studies conflict in the final results, so further investigations on UFs and infertility should clarify the exact role of molecular mechanisms of this association.
Za površje Dugega otoka in Kornatov je značilna kraška morfologija. Drobne skalne kraške površinske oblike so najbolje razvite ob obali, v območju vpliva morskih valov. Razlike v razvitosti drobnih ...skalnih kraških površinskih oblik so posledica součinkovanja valov, litologije, nagiba in debeline kamninskih skladov. Med različnimi tipi drobnih skalnih kraških površinskih oblik so najbolj zanimive poklinaste škraplje in mrežaste korozijske razjede, katerih začetna oblika so biokorozijske jamice. Starost nekaterih drobnih skalnih kraških površinskih oblik lahko ocenimo glede na njihovo razvitost v antičnih kamnolomih. Predvidevamo pa lahko tudi njihov bodoči razvoj. Dugi otok Island and Kornati archipelago islands are characterized by karst morphology. Small karst features are particulary well developed along the coast in the swash zone, and signifi cant differences can be observed due to different interaction of wave action, bedding attitude, bed thicknesses and lithology. Among other karren types, fissure- and network-type karren are particulary interesting, both of which start developing from initial root karren. The age of some of these small karst features can be estimated by their occurrence in ancient quarries, and we suggest their historic age. We can envisage the future development of these small coastal corrosion forms.
Purpose
The main aim of the study was to measure the cutting forces and chip shapes based on different machining parameters.
Design/methodology/approach
To get the best optimal machining conditions, ...it is essential to use the best combination of machining parameters. Although some machining parameters are not important for the process, there are machining parameters which are very important for the machining process.
Findings
It is essential to determine which machining parameters are the most dominant to make the optimal machining conditions.
Originality/value
Six different chip shapes are obtained according to ISO standardization. It was determined that the different cutting forces occurred for the different chip shapes.
Purpose
The main purpose of the study was to analyze the relationship between cutting forces and tool wear during turning of steel 30CrNiMo8.
Design/methodology/approach
It is very important to find ...the optimal machining conditions to increase the tool life and to improve product quality. Width of tool wear was measured by universal microscope.
Findings
During experimental procedure, one chip shape was obtained for the given machining parameters. Results showed negligible tool wear for the given experimental conditions. In other words, the tool wear is negligible for one chip shape.
Originality/value
To increase tool wear, there are different chip shapes.
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