Physical Sciences and Engineering

Transforming liberia through technology

Over the past decades, advances in technology have helped accelerate globalization. For developing countries, access to technology can have many economic and social benefits for their economies, business and employment growth, communications, and education. As with most developing countries, technology in Liberia needs to be distributed more equally than is currently the case. To date, the poor, rural parts of Liberia have not enjoyed full equal access.

Process and energy optimisation – a case study of ub fgr fanat captive power plant of nrl

The old saying “Excellence is the gradual result of always striving to do better……. The noblest search is the search for excellence.” – An integrated approach to achieve continuous improvement and reach towards excellence in Utility Boiler Operation. This paper highlights the case study carried out regarding the successful trial run of the Flue Gas Recirculation of the Utility Boiler of Co-generation plant of the Numaligarh Refinery Limited, Golaghat, Assam. This fan could not be put into service since commissioning of the boiler.

Inhibition effect of acalypha wilkesiana leaf extract on pitting corrosion of ferritic stainless steel in acidic medium

The study examined the possibilityof using extract ofAcalypha wilkesiana (AW)leafas green inhibitor for ferritic stainless steel (FSS).This was obtained in 0.5 M hydrochloric acid using gravimetric and potentiodynamic polarization (Tafel plots). The inhibitor, temperature and time concentration ranged from 0–10 percent v / v at 2 percent v / v interval to 30–60 ° C at 10 ° C interval at 3-18 days within a space of three days.Qualitative and quantitative analysis and Fourier Transforms Infrared (FTIR) Spectroscopy technique were used to characterize the sample.

Phytochemical and spectroscopy analytical characterizations of Acalypha-wilkesiana leaf as green corrosion inhibitor

The study examines the characteristics of the plant leaf extract of Acalypha Wilkesiana (copper leaf) by phytochemical analyses, Fourier transforms the techniques of infrarot spectroscopy (FT-IR) and gas chromatography-mass spectrometry (GC-MS). The leaf extract was obtained using maceration techniques in 1,5 liters of 70% ethanol and 30% distilled water as solvent. FT-IR was carried out using model-8400S Spectrophotometer Schmadzu machine whereas GC-MS model 2010 Plus Schmadzu was used to analyze the extract.

Tribal woman and empowerment through forest rights act – 2006 in Rajasthan

The preamble of the Forest Rights Act 2006 itself acknowledges the injustice done to the communities of Schedule Tribes and other people staying in the forests by stating that there has been an historical injustice done to the Schedule Tribes and other traditional forest dwellers. The Bill was passed by the parliament in the year 2006 for the recognition of the rights of the tribal and other communities who have been staying in the forest for centuries for their main livelihood.

Enhancing students’ speaking competence through communicative language teaching method

This study primarily aimed to enhance the students’ speaking competence in Naval Night High School through communicative language teaching (CLT) method. This study utilized the descriptive-correlational research design, with the aid of observation checklist and rubric to measure the speaking competence of the Junior High School students, school year 2018-2019.

Chinese food cultureina bite of china: a multi-model discourse analysis

The study of monomodal language in discourse linguistics needs to be combined with other fields, such as visual, auditory and media studies. Diet is closely related to culture, and diet culture is an important part of the splendid culture of China, which is the concentrated expression of people's production and lifestyle for thousands of years. It reflects people’s attitude towards life, and also represents the spirit and temperament of a nation. Chinese culture is of long standing and well established, and cultures in different fields have their own particularities.

Effect of high voltage stimulation on pressure ulcers healing: (systematic review)

Background: The use of High voltage stimulation in patients with pressure ulcers is very important, and thus the scientific evidence for its effectiveness needs to be evaluated through a systematic review. Objective: To provide updated evidence-based guidance for High voltage stimulation effects on the healing of pressure ulcers.

Design of lithium battery control system based on single chip microcomputer

Charging and discharging of lithium batteries and their safety performance are one of the key indicators to determine their working ability. The state monitoring system of lithium battery pack designed in this paper not only fully meets the requirements of production, but also fully reflects the characteristics of reliability and cost-effective ratio. The system is based on single chip computer control, and fully considers charge and discharge signal monitoring, temperature signal monitoring, discharge maintenance and charge equalization in the design.