Technology Reports of Kansai University (ISSN: 04532198) is a monthly peer-reviewed and open-access international Journal. It was first built in 1959 and officially in 1975 till now by kansai university, japan. The journal covers all sort of engineering topic, mathematics and physics. Technology Reports of Kansai University (TRKU) was closed access journal until 2017. After that TRKU became open access journal. TRKU is a scopus indexed journal and directly run by faculty of engineering, kansai university.
Technology Reports of Kansai University (ISSN: 04532198) is a peer-reviewed journal. The journal covers all sort of engineering topic as well as mathematics and physics. the journal's scopes are
in the following fields but not limited to:
Admixed alloy powder composed of low copper and metallic glass silver copper eutectic triturated with gallium or gallium tin alloy. The restorative is reinforced with ceramic powder of ZrO2 in both nano and micron sized to improve the mechanical properties and manipulation of the filling. The specimens were prepared according to ADA specification No. 1. Reduction of the liquid reduces the expansion and the addition of the ZrO2 at micronized particles stabilize the dimensional change up to 0.138 of 1% addition at 0.4g of GaSn while the nano ZrO2 enhance the manipulation of the filling paste. Compressive strength enhanced by 19% at 2 percent compared to that without addition at 1h, for 24h the best enhancement for 1 percent nano ZrO2 was 81%. The best creep resistance is at 3 percent micronized ZrO2 by 74% compared to that without addition and 76 % as compared to dental amalgam
The rare earth elements (REE) form the largest chemically coherent group in the periodic table. The versatility and specificity of the REE have given them a level of technological, environmental, and economic importance considerably greater than might be expected. The objective of this work was to determine the concentration of rare earth elements in phosphate samples from Egypt and Saudi Arabia, using both instrumental neutron activation analysis (INAA). The samples were prepared together with standard reference material and simultaneously irradiated in a neutron flux of 7 x 1012 n.cm-2 s -1 at ACTLAB activation laboratories Canada. Irradiated samples were measured using gamma-ray spectrometer based on HPGe detector. The choice of the nuclear reaction, irradiation and decay times and of the proper gamma ray measurement to determine the concentrations are presented and discussed
The work characterized the bright-band and estimated attenuation for Lagos using space-borne precipitation radars (GPM) and Dissanayake melting layer model. Furthermore, the impact of the melting layer on satellite communication signals was investigated. The rain height, freezing height, bright-band thickness and attenuation due to rain and melting layer were estimated. Three years monthly (January 2014 to December 2016) rain precipitation data was sourced from GPM air-borne dual frequency precipitation radar (PR) equipment. GPM DPR L3 precipitation data was selected from a group of products list under the physical quantities from the database of JAXA Earth Observation Research Center. The vertical reflectivity profiles (VRP) were thereafter constructed from these processed data. Results obtained indicated that, at 0.1%, 0.01% and 0.001%, the attenuation exceedance due to melting layer are 13.43 dB, 28.34 dB and 40.40 dB respectively. Without taking melting layer into account, attenuation exceeded are 8.34 dB, 18.31 dB and 34.80 dB at 0.1%, 0.01% and 0.001% percentages of time, respectively. This will provide useful information for use in the design and manufacture of satellite communication equipment with acceptable quality of service for domestic, commercial and military applications
Recent years have shown a significant growth in learner corpora in the area of English for Specific Purposes (ESP), specifically in the academic and professional context. For studies in English for Academic Purposes (EAP), analysis on learner corpora mainly focused on aspects of form and function in academic genres. This paper reviews 192 learner corpora to determine their availability and usage according to the two main branches of ESP field: EAP and EOP/EPP (English for Occupational Purposes/ English for Professional Purposes). It also identifies inaccessible learner corpora on the online platforms. The review concludes that EAP has been the prime focus in the field of learner corpus studies compared to EOP/EPP. Additionally, only a handful of specialized and professional genre-related learner corpora can be found whereas academic ones are more common. This review establishes the importance of EOP/EPP learner corpora as one of the ways to increase the genre competence of learners and practitioners of specialized discourses
This research examines the influence of age on healthy child nasal airflow along the entire nasal cavity. In this research, a nasal airflow simulation is performed on a Malaysian 5-years-old female child via computational fluid dynamics (CFD). The Malaysia female child model exhibits narrower and thinner nasal passageway and has shorter turbinate’s region as compared with the other two models, i.e., male child model and female adult model from previous works. Despite their differences, a general trend is still visible in terms of cross-sectional area and average velocity magnitude profiles of the airways along with the axial distance. Besides, pressure drop, which is also known as the breathing resistance, was found to decrease as the age increases. It is also worth noticing that the flow field in the nasal cavity of a child tends to concentrate centrally when the airstream develops.
