780,937 research outputs found
Vacuum Ohmic Heating: A Promising Technology for the Improvement of Tomato Paste Processing, Safety, Quality and Storage Stability
No full textOhmic heating (OH) is an electrothermal technology used to inactivate enzyme and microbial activities. This work aimed to study the impact of Ohmic Heating Under Vacuum (OHUV) which compared to conventional heating (CH) as well as storage stability at 5°C and 25 °C on microbial safety, and nutritional quality. The evaluation parameters were pH, titratable acidity, TSS, lycopene, ascorbic acid, PME, HMF, and microbiological activity. The obtained results showed that tomato paste samples that were treated by OHUV are significantly superior to CH in terms of all physicochemical and microbiological characteristics, as well as being the least harmful during storage in both transparent and dark packages. The results showed the changes in ascorbic acid, lycopene, and HMF values that were treated by OHUV at 25 °C and filled in transparent package are most affected compared to other treated samples. On the other hand, tomato paste samples stored in dark packages at 5 °C performed significantly better than those subjected to CH under the same conditions and activated PME the most had higher ascorbic acid and lycopene and fewer changes in HMF during storage time for 90 days. OHUV found to be a good alternative treatment in the production of tomato paste
Measurements of R(d) - R(p) and R(Ca) - R(C) in deep inelastic muon scattering
No full textAmaudruz P, Arneodo M, Arvidson A, et al. Measurements of R(d) - R(p) and R(Ca) - R(C) in deep inelastic muon scattering. Phys.Lett. B. 1992;294(1):120-126
Decane hydroconversion with Al–Zr, Al–Hf, Al–Ce-pillared vermiculites
No full textA series of vermiculites pillared with mixed precursors of Al–Zr, Al–Hf and Al–Ce were obtained from natural vermiculite subjected to a process of negative charge reduction through hydrothermal treatment. The catalytic activity of the solids evaluated in the decane hydroconversion, was superior to that of recognized pillared clays and comparable to those of very active catalysts such as zeolites USY. The distributions of profiles of the reaction products suggest that the porosity/pore architecture of the pillared vermiculites should be similar to that of ultrastable Y zeolites
The automated grading of R code snippets: Preliminary results in a course of health informatics
No full textAutomated grading tools either execute the submitted code against sample data or statically analyse it. The paper presents a tool for the automated grading of R code snippets, submitted by students learning Health Informatics in the degree course of Medicine and Surgery of the University of L’Aquila (Italy). The tool performs a static analysis of the R commands, with the respective output, as well as of the sentences written in natural language. The paper details the problem in general and through examples. Then, it describes the proposed solution and reports on the comparison between the automated grading and the human one. Finally, the paper ends by describing the foreseen use of the tool and the needed improvements
Kitab fi misahat al-mujassamat al-mukafiya
No full textpage, (left) folio 118 r, drawing of a dome profile; (right) fol. 119v, drawings of dome profile
Literature, Covid-19 and Human Greed: A Socialist Realism Analysis of Taufiq al-Hakim’s Short Story “Daulah al-‘As}a>fi>r”
No full textThe article aimed to discover whether the element of Taufiq al-Hakim\u27s imagination regarding human greed had relevance to the social reality of society, or is it merely an expression of personal imagination that was not related to the social environment of society? To answer this problem, the researcher used the text analysis method with the main corpus of the short story “Daulah al-‘As}a>fi>r.” The theory used in analyzing this text was socialist realism assisted by a literary ecological approach. The analysis showed that Taufiq al-Hakim\u27s imaginative criticism through his sparrow symbol against human greed had a close relevance to the phenomenon of contemporary human life today, like Covid-19 pandemic. Such pandemic was a natural reaction to human greed who had exploited fellow humans and their environment. It was also reinforced by the fact that all big and powerful countries in the world were overwhelmed to overcome Covid-19. This study recommended that humans should not be greedy, so that the balance of nature can be maintained properly
Appropriate Similarity Measures for Author Cocitation Analysis
No full textWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
A prototype of an Electronic Pegboard Test to measure Hand-Time Dexterity with impaired hand functionality
No full textThis paper proposes an electronic prototype of the Grooved Pegboard Test (GPT), which is normally used to test the presence of hand dexterity. The prototype imitates the geometrical dimensions of an on-the-market GPT device, but it is electronic, not manual like the one available now for users. The suggested electronic GPT device makes automated time calculation between placing the first and the last peg in their designated locations, instead of manually observing a stopwatch normally used during the GPT. The electronic GPT prototype consists of a fabricated wooden box, electronics (switches and microcontroller), and liquid crystal display (LCD). A set of
40 normal volunteers, 20 females and 20 males, tested the designed prototype. A set of six volunteers with chronic medical conditions also participated in evaluating the proposed model. The results on normal volunteers showed that the proposed electronic GPT device yielded time calculations that match the population mean value of similar calculations by the GPT device. The one-sample t-test showed no significant difference in calculations between the new electronic GPT and the manual GPT device. The p-value was much higher than 0.05, indicating the possible use of the suggested electronic GPT device
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