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2021 ◽  
Vol 6 (2) ◽  
Ibrahim Abdalla

The objectives of this study are to find out the reasons of this problem and find some solutions. The participants were ten students at levels seven and eight, at the Faculty of Sciences and Arts. The researcher used the Descriptive Statistical Method and collected the data via a written test as the main research tool. The data were then analyzed using a Statistical Package of Social Sciences Programme (SPSS). The results were as follows: Saudi students faced problems with using the correct prepositions after certain verbs. Students encountered difficulties in identifying the correct prepositional phrase. Students experienced the same problem with the use of English prepositions in writing tasks and in daily communication. The recommendations of this study are that students need to revise the use of English prepositions in general and need more practice in the use of prepositions after certain verbs. They also need to make a greater effort to use English prepositional phrases in their written work. Regarding writing courses, students need to focus more on the use of prepositions in general. Curriculum designers need more attention about teaching prepositions in their textbooks and curriculums. HIGHLIGHTS: Saudi students faced problems with using the correct prepositions after certain verbs. Students encountered difficulties in identifying the correct prepositional phrase. Students experienced the same problem with the use of English prepositions in writing tasks and in daily communication. 

Sensors ◽  
2021 ◽  
Vol 21 (18) ◽  
pp. 6134
Vytautas Paulauskas ◽  
Ludmiła Filina-Dawidowicz ◽  
Donatas Paulauskas

Currently, seaports are actively searching for methods and ways to improve their operational efficiency. Digitalization is considered as one of the main directions of current ports’ development. Ports’ digitalization levels are varied and may depend on different factors, including port size, traditions, turnover and handled cargo type, etc. Ports often face decision-making challenges related to assessment of their digitization level and choice of development directions. The article aims to develop a methodology to evaluate ports’ digitalization level. A marketing research tool was used to collect the data needed for the analysis. A mathematical model allowing simulations is proposed and a case study of 30 ports located in the Baltic, North and Mediterranean Seas regions is explored. Based on conducted calculations, a ranking of analysed ports considering their digitalization level was created. The ports were compared within groups of small, medium-sized and large ports. It was estimated that the digitalization level in small and medium-sized ports is about 30% lower than the level of large seaports. The research results may be of interest to seaports striving to assess their level of digitalization and choose the best digital improvement solutions.

2021 ◽  
Vol 8 ◽  
Michael Levitt

Computer simulation is an important research tool in today’s scientific world. Computers allow us to perform computations that mimic the behavior of complex (biological) systems in ways that we could not otherwise achieve. You could think of these simulations as a computer game, in which a virtual world is created that works according to certain (e.g., physical) rules. While we play the game, we learn the rules governing this virtual world and its environment, and also the way that we affect this world as players. In this article, I will explain how we use computer simulations in the world of structural biology to study the structure and function of molecules. I will also describe how I think that we could use insights from the world of biology and computer simulations to advance the society that we live in.

2021 ◽  
Vol 03 (07) ◽  
pp. 48-60
Samaher Khalil IBRAHIM ◽  
Mohammad Saadi LAFTA

The current research problem was established through the following question: What are the characteristics of technical integration (cognitive, skill, and behavioral)? What are the mechanisms for applying it to art education teachers? As the current research aims to identify the characteristics of technical integration (cognitive, skill, and behavioral) of art education teachers from the point of view of the supervisors specialization. The research community consisted of the art education supervisors in the Karkh side, who were (35) supervisors. A sample of (20) supervisors with a specialization in art education on (the Karkh) side were selected, who could be reached through electronic communication means. To achieve the goal of the current research, the researcher built her research tool represented by the questionnaire, which consisted of (4 domains and 41 paragraphs), as it covered all the characteristics of technical integration (cognitive, skill, and behavioral) that the art education teacher is supposed to display. The most important conclusions are: 1.the majority of art education teachers use the most appropriate methods and decoration. 2.Art education teachers have school exhibitions involving learners to display paintings.

2021 ◽  
Vol 28 ◽  

The objective of the research is based on a material problem. It is the literal application of the concept of quality and the work of its mechanics without applying its function. This function is followed by behavior and thought which is renewed by the renewal of work, its type, form and management. Here we can say that the positive thinker is productive in all its conditions, and this can only be achieved through the perpetuation of thought, knowledge and work in the spirit of wisdom, "the search for existence" - the purpose of the surrounding existence (God) - the speaking person is the wise intellect, He gradually develops into the work of meditation, the research tool, the questioning stage, and as a result philosophizes his existing environment. This contributes to the development of his personal skills, including the quality of his thinking, the formulation of his goals and their application, and thus achieving himself. In light of the above, the question arises: How can quality be a new thinking, and what is its philosophical basis? This research is determined by two arguments: The first topic deals with the theoretical references to the research variables. The second topic examines the quality of practical philosophical thinking / foundations in performance and application. Keywords: quality, new thinking, reading, its philosophical foundations.

2021 ◽  
Vol 28 ◽  

The current research aim to identify Metamemory among students of the fourth scientific grade The research has been limited to students of the fourth scientific grade in secondary and Preparatory schools in the center of Al-Qadisiyah Governorate for the academic year (2020-2021), and the descriptive survey approach was adopted, and the sample size amounted to (400) male and female students who were chosen randomly. To achieve the objectives of the research, the tow researchers prepared research tool represented by a measure of Metamemory, which in its final form consisted of (36) items, with (19) paragraphs of positive wording and (17) paragraphs of negative wording, according to the definition (Troyer & Rich, 2002) who classified Metamemory into three dimensions: satisfaction with memory, ability or memory errors and remembering strategies. And has been verified the apparent validity, content and constructive validity of the scale, the calculation of discrimination coefficients for the items of the scale, and checking the scale's stability through out the calculation of the Cronbach's alpha coefficient, which amounted to (0.919). The research tool were applied in the first semester of the year (2020-2021), and statistical analysis and data processing were carried out using the Statistical Portfolio for Social Sciences (SPSS) program. By applying the equation of the t-test for one sample to the data obtained from the final application of the research tool, it was concluded that students of the fourth scientific grade possess a high level of metamemory. Accordingly, the researchers presented some recommendations and suggestions. key words : Metamemory

2021 ◽  
Vol 1 (6) ◽  
pp. 141-145
I Made Diana

For thousands of years, humans have felt the need to understand the world around them—and ultimately manipulate it to best serve their needs. There are always ethical questions to address, especially when the manipulation involves the human genome. There is currently an urgent need to actively pursue those conversations as com- mercial gene sequencing and editing technologies have become more accessible and affordable. Gene Editing has enormous potential both as a research tool and a therapeutic intervention. While other types of gene editing are relatively uncontroversial, gene editing has been strongly resisted.

2021 ◽  
Vol 9 (08) ◽  
pp. 682-693
Panagiota Xanthopoulou ◽  
Dimitris Athanasopoulos ◽  

This research deals with the issue of distance education in the human resources of banks and specifically of the National Bank of Greece. The purpose of the research was to investigate how distance education affects the human resources of banks in developing their management skills. The research methodology followed was quantitative, while the research tool used was the online questionnaire. The survey sample consisted of 82 people working in the banking sector and their selection was made according to convenient sampling.The results showed that distance education works beneficially for the in-house training of employees in the banking sector. In particular, e-learning programs have been found to contribute to the development of knowledge, work productivity, the acquisition of new skills and the enrichment of existing skills held by employees in the banking sector. It was also clear that the impact of distance education on improving employees skills was multifaceted. Participants were positive about the experience they gained from distance learning programs and want to increase as they state that their benefits vary.The present research is one of the first attempts that aim to record the aspects of e-learning implementation in the banking sector.

Pathogens ◽  
2021 ◽  
Vol 10 (9) ◽  
pp. 1092
Guodong Liu ◽  
Wenguang Cao ◽  
Abdjeleel Salawudeen ◽  
Wenjun Zhu ◽  
Karla Emeterio ◽  

Vesicular stomatitis virus (VSV), which belongs to the Vesiculovirus genus of the family Rhabdoviridae, is a well studied livestock pathogen and prototypic non-segmented, negative-sense RNA virus. Although VSV is responsible for causing economically significant outbreaks of vesicular stomatitis in cattle, horses, and swine, the virus also represents a valuable research tool for molecular biologists and virologists. Indeed, the establishment of a reverse genetics system for the recovery of infectious VSV from cDNA transformed the utility of this virus and paved the way for its use as a vaccine vector. A highly effective VSV-based vaccine against Ebola virus recently received clinical approval, and many other VSV-based vaccines have been developed, particularly for high-consequence viruses. This review seeks to provide a holistic but concise overview of VSV, covering the virus’s ascension from perennial agricultural scourge to promising medical countermeasure, with a particular focus on vaccines.

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