The comparative analysis of Java frameworks: Spring Boot, Micronaut and Quarkus

The aim of the work is a comparative analysis of three frameworks designed for building web applications for the Java programming language: Spring Boot 2.4.4, Micronaut 2.5.4 and Quarkus 1.13.4.Final. Test applications were prepared, equipped with the same functionality as used in the experiment consisting in measuring the server response times to a POST request – performing the data entry into the database. For each test application, the scenario aimed at measuring the time of handling requests under various load conditions was repeated five times. During each repetition of the scenario, the load which was the average number of requests sent per second by virtual users was increased. In parallel with performance tests, the reliability of the test applications was measured. Reliability was defined as the percentage of requests sent to the server that ended in a failure. The comparative analysis also took into consideration the volume of the code of the test applications based on the selected frameworks. The performed analyses showed that in terms of all the criteria considered in this work Micronaut proved to be the best framework

Cierpienie i śmierć jako współczesny performans medialny. Perspektywa performatyczna

Głównym celem Ewy Jeleń-Kubalewskiej jest ukazanie problemu medialnego (przede wszyst-kim fotograficznego) sposobu prezentacji bolesnych wydarzeń w ponowoczesnym społeczeń-stwie zachodnim, a także odpowiedź na pytanie, w jaki sposób i w jakim stopniu media kształtują nasze zachowania/postawy wobec śmierci i cierpienia. Dla realizacji swego zamierzenia przyjmuje ona perspektywę performatyczną. Drugim filarem tego projektu są współczesne studia nad traumą. Autorka proponuje inspirujący sposób powiązania tych dwóch filarów w myśl słusznego rozumowania, że przezwyciężenie traumy wymaga performowania. Zasadnicza część książki poświęcona jest wystawie World Press Photo, analizowanej jako performans. Końcowa część publikacji dotyczy prezentacji cierpienia i śmierci w przekazach wiadomości telewizyjnych

10-(Prop-2-yn-1-yl)-2,7-diaza­phenothia­zine1

In the title mol­ecule [systematic name: 10-(prop-2-yn-1-yl)dipyrido[3,4-b:3′,4′-e][1,4]thia­zine], C13H9N3S, the dihedral angle between the two pyridine rings is 146.33 (7)° and the angle between two halves of the thia­zine ring is 138.84 (8)°, resulting in a butterfly shape for the tricyclic system. The central thia­zine ring adopts a boat conformation, with the 2-propynyl substituent at the thia­zine N atom located in a pseudo-equatorial position and oriented to the concave side of the diaza­phenothia­zine system. In the crystal, mol­ecules are arranged via π–π inter­actions between the pyridine rings [centroid–centroid distances = 3.838 (1) and 3.845 (1) Å] into stacks extending along [001]. There are C—H⋯C and C—H⋯N inter­actions between mol­ecules of neighbouring stacks

Use of Saccharomyces cerevisiae and Zymomonas mobilis for bioethanol production from sugar beet pulp and raw juice

Biofuels have received great attention as an alternative energy source mainly due to limited oil reserves. Bioethanol can be produced from wide range of raw materials like starch, sucrose and cellulosic based sources. Sugar beet and raw juice, as its intermediate product, constitute very profitable substrates for bioethanol production, considering content of easy available fermentable sugars. In this study, sugar beet pulp and raw juice were fermented with Saccharomyces cerevisiae distillery yeasts and bacterium Zymomonas mobilis. Different medium dilution rate as well as yeasts preparations (Fermiol, Safdistil C-70) were investigated. Fermentation was run for 72 h at 30°C. Quality of obtained raw distillates was evaluated using GC method. S. cerevisiae distillery yeasts turned out to be more favourable microorganism than bacterium Z. mobilis for sucrose material fermentation. The ethanol yield obtained from sugar beet pulp and raw juice was 84 and 95% of theoretical yield, respectively. Fermentation of sugar beet raw juice obtained by pressing without enzymatic treatment yielded higher ethanol efficiency as compared to raw juice pressed with enzyme. Dilution ratio 1:1 for fermentation medium appeared to be profitable for effective fermentation process.Keywords: Sugar beet roots, raw juice, fermentation, bioethanol, Saccharomyces cerevisiae, Zymomonas mobilisAfrican Journal of BiotechnologyVol. 12(18), pp. 2464-247

Identification of iron-bearing minerals in basalts and pillow lavas of the Kaczawa Mountains using 57Fe Mössbauer spectroscopy

The Kaczawa Mountains along with the Kaczawa foothill comprise a complicated geological unit that is called the Kaczawa metamorphic (Sudetes, SW Poland). The aim of our work was to identify the iron-bearing minerals in samples of basalts and pillow lavas from the Kaczawa metamorphic using 57Fe Mössbauer spectroscopy. Based on the preliminary results, the Fe3+/Fe2+ ratio in the samples was determined