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With the rapid development of oil hydrogenation industry, the development of oil hydrogenation catalyst has also become a research hotspot. In this paper, ultrasound-assisted precipitation technique is used to prepare Ni/Al2O3 catalyst. The effect of ultrasonic output power on catalyst performance is investigated. The prepared catalyst is applied to the hydrogenation reaction of castor oil. It is found that the prepared catalyst shows the best hydrogenation performance when ultrasonic output power, frequency and ultrasonic treatment time are 80&nbsp;W, 40&nbsp;kHz and 600&nbsp;min respectively. It also indicates that ultrasound-assisted precipitation technique can reduce the particle size and increase the specific surface area of Ni/Al2O3 catalyst so that its activity is improved. In addition, six important elements that should be considered in the development of industrial oil refining catalysts are discussed, and the effects of these factors on the catalyst performance are discussed. Finally, new way for improving catalyst performance is given, and the application of some new materials and methods in oil refining is introduced. In this study, a photo-catalyst of titanium oxide was coated on zeolite by the sol-gel method. The generation of the zeolite-titanate photo-catalyst was optimized at conditions of calcination temperature (300, 350, 400 and 500&nbsp;°C), calcination time (1, 2, 3, and 4&nbsp;h), and titanate content (0, 2, 4, 6, and 8&nbsp;mL). The catalyst was used for 'Sonication/UV/H2O2″ activity and finally, eliminating ibuprofen. Physicochemical properties of the as-built photo-catalysts for all optimized conditions were determined using FESEM-EDX-mapping, BET, FTIR, and XRD. The highest percentage of ibuprofen removal (98.9%) was obtained at conditions of zeolite to titanium ratio of 1&nbsp;g 2&nbsp;mL, time in the furnace of 1&nbsp;h, and temperature of the furnace of 350&nbsp;°C. The optimum photo-catalytic (namely, Cat-350-1-2) had a surface area value of 39&nbsp;m2/g and a crystalline size of 4.9&nbsp;nm. The surface area for all photo-catalysts increased after being used for ibuprofen removal, possibly due to ultrasonic waves. The presence of Ti-O, benzene ring, O-Al-O, O-Si-O, C-H, and O-H in the photo-catalysts structure were confirmed. Growing the calcination time resulted in an increase in the crystallinity of titanium dioxide in the photo-catalysts and, ultimately a reduction in the ibuprofen removal. The consumed energy by the developed system was calculated for the presence (0.094&nbsp;kJ/g) and absence (17.5&nbsp;kJ/g) of the ultrasonic wave. The degradation pathway and reaction kinetic are also explored and proposed. [https://www.selleckchem.com/products/hoipin-8.html HOIPIN-8 clinical trial] The results showed that the ultrasonic-UV-activated H2O2-based technique can be applied as an alternative method for ibuprofen removal from aqueous media. BACKGROUND The Self-Compassion Scale is an extensively used tool to measure self-compassion among different groups of population, including nurses. The tool has been translated and tested for its psychometric properties in previous studies. Assessing self-compassion among Saudi nursing students is critical as self-compassion is suggested to create a positive effect on one's wellbeing, coping, emotions, and other personal outcomes. OBJECTIVES This study determined the validity and reliability of the Self-Compassion Scale Arabic version (SCS-A) for nursing students. It also identified the demographic factors associated with the students' self-compassion. DESIGN A quantitative, cross-sectional design. SETTINGS The investigation was carried-out in two government universities in Saudi Arabia. PARTICIPANTS A sample of 322 Saudi nursing students in the 2nd to 4th year, as well as nurse interns was surveyed (mean age&nbsp;=&nbsp;21.27, range&nbsp;=&nbsp;18-27). METHODS The Self-Compassion Scale was culturally adapted to come up with the universities and training hospitals to ensure that nurse interns and nursing students have compassion toward self. The study also opens opportunities for multi-country and cross-cultural studies on self-compassion among nursing students. One of the key challenges in rational design and synthesis of metal-organic frameworks (MOFs) is defined control over size and morphology for using these materials in many more advanced applications. Combining ultrasonic method and capping groups makes it possible to control the size and change the morphology of metal organic frameworks without changing material compositions. Nano TMU-46, 47 and 48 with copper metal center and amide functionalized pillar were synthesized by using ultrasonic irritation and characterized by FE-SEM, powder X-ray diffraction, elemental analysis, and FTIR spectroscopy. Sensing properties of these nano scale materials and the correlation between the nano structure and nitroaromatic compounds detection were studied. Nano TMU-46 due to its special and porous structure and available functional group show strong luminescence emission, which is selectively sensitive to Trinitrophenol (TNP) with a detection limit of 10-3&nbsp;M. Furthermore, multiple morphological transition in the structure of these crystals were observed with using different modulators. This morphology transition, in fact, successfully led to significant change in sensing properties of this structure and decreased the detection limit to 10-5&nbsp;M. The present study assessed the protective effect of chitosan-nanoencapsulated quercetin (Qu-ChiNPs) against oxidative stress caused by silver nanoparticles (AgNPs). To this end, the transcription of prime genes regulating hepatic Keap1-Nrf2 pathway as well as downstream antioxidant enzymes were monitored prior to and after oxidative stress by AgNPs. Zebrafish (Danio rerio; n&nbsp;=&nbsp;225) was assigned into five experimental groups based on feeding with diets supplemented with different additives as follows negative and positive control groups, without additive; ChiNPs, 400&nbsp;mg nanochitosan per kg diet; Quercetin, 400&nbsp;mg free quercetin per kg diet; and Qu-ChiNPs, 400&nbsp;mg Qu-ChiNPs per kg diet. At the end of the feeding trial (40 days), the experimental groups, except the negative control, were exposed to sublethal concentration of AgNPs (0.15&nbsp;mg&nbsp;L-1) for 96h. Before exposure to AgNPs, free quercetin-treated diet significantly upregulated Keap1, Nrf2, Cat, SOD, GPx, and GST genes in the liver tissue when compared with the control diet, whereas Qu-Chi.