bluuebunny/crossref_metadata_2025 huggingface dataset:
Assessment of DMFT Score in Lower Income Employees of the University of Faisalabad
Authors: Barkaat Hina , Atiq Tahmeena , Khurram Maleeha , Ahmed Rida , Iqbal Sarosh , Rashid Waqas
Published: September 2022

Introduction: Maintenance of oral health is directly linked to general well-being of an individual. Oral diseases are most common of public health problems because it effects human life due to lack of awareness, affordability and socio economic factors. Oral diseases can adversely affect the worker by compromising their performance and human well being. Material and Methods: Cross sectional research was done in The University of Faisalabad. The study participants included all the low income employees. All the employees of this category who were physically and mentally capable of responding to the questionnaire and provided informed consent were made part of the study. The 85 employees were selected and their DMFT score was assessed. SPSS version 23 was applied for data analysis. Results: P value was statistically significant in patient’s age group 1 (18-35 years) and group-2 (36-66) with oral Hygiene status and DMFT score. Conclusion: Based on existing data it was concluded that in older patients DMFT score was high and there oral hygiene was not being properly maintained. Keywords: Oral hygiene status, DMFT index, Socioecnomic status
Measuring the Concentrations of Asbestos Fibers in Some Crowded Areas of Baghdad in The Summer of 2020
Authors: Ajeel Nahla Sh. , Fleeh Nada A. , Sultan Matham A.
Published: September 2022

Aims of this research to determine asbestos fibers levels in surrounding air of some crowded sites of Baghdad city were monitored in summer 2020. Collection of samples was conducted by directing air flow to a mixed cellulose ester membrane filter mounted on an open‑faced filter holder using sniffer a low flow sampling pump, samples of air were collected from five studied areas selected in some heavy traffic areas of Baghdad city, (Al-Bayaa and Al-Shurta tunnel, Al-Jadriya, and Al-Meshin commercial complex, control), then analyzed to determine concentrations of asbestos fibers. Counting of asbestos on the filters was carried out through using both scanning electron microscope SEM and an energy dispersive X‑ray system EDS to count and determine asbestos fibers. The results of this research appeared that the levels of asbestos fibers which recorded minimum value in control site was 0.018±0.001 f/ml and maximum value in Al-Gadriya was 0.121±0.006 f/ml. The concentrations of asbestos fibers in all studied areas were more than standards of world health organization WHO for air was 0.0022 f/ml. This may be because the presence of crowded traffic, occurrence of industries near studied areas. Therefore, effective plans like management of traffic, changing of industrial locations, and products substitution replacement can be effective in reduce concentrations of asbestos fibers. Keywords: Asbestos Fibers, SEM, Crowded Areas, Ambient Air, Summer.
Frequency of Thyroid Function Abnormalities among Patients of Type II Diabetes Mellitus
Authors: Singh Dolat , Rajar Ihsanullah , kumar Raj , Ahmed Ayaz , Maheshwari Priya Kumari , Memon Majida
Published: September 2022

Objective: To determine the frequency of thyroid function changes in type II Diabetes mellitus patients Material and methods: This cross-sectional study was carried out at the Medicine OPD of Indus Medical College Tando Muhammad Khan. The study duration was six months, from December 2020 to May 2021. All the diagnosed cases of type 2 diabetes mellitus, aged 40 to 65 years and both genders were included. Each case underwent a 5 ml blood sample, which was sent immediately to the diagnostic laboratory of the hospital to assess the TSH level for thyroid function. The research proforma was applied to gather all the data, and SPSS software version 26 was utilized to analyse the results. Results: A total of 200 diabetic patients were studied; their average age was 46.23+7.11 years. Females were in the majority 60.0%. The overall average of HbA1c was 7.02+1.41%. Out of all the hypothyroidism cases were 6.5% and hyperthyroidism cases were 2.5%, while in 90.0% of the cases, thyroid stimulating hormone (TSH) was normal. Thyroid function abnormalities were statistically insignificant according to gender (p-993). Conclusion: As per the study conclusion, thyroid function abnormalities were observed to be 9% among patients of type II diabetes mellitus. Keywords: Diabetes, Type II, thyroid function, HBA1C
Effectiveness of lecture cum demonstration on knowledge regarding active management of third stage of labour among B.SC nursing IV year students
Authors: Prema A. Saridha , Malathi S.
Published: September 2022

Pregnancy is a God-given wonder, and a mother's delight begins the moment new life begins to stir inside her and a tiny heartbeat is heard for the first time. (Sr. Jolly Joseph et al., 2013) . Labor is process of fetus being expelled from the uterus. Multiple factors are used to track the progress of the labor. The time between the baby's birth and the placenta and membranes being delivered is commonly referred to as the third stage of labor. Because of the possibility of postpartum haemorrhage, the third stage is the most dangerous for the woman (PPH).
intersection of right to privacy and surrogacy law
Authors: Mudhol Sanjana S. , Dwivedi Richa
Published: September 2022

Privacy is an essential component of human existence, and is now a fundamental right of every individual. It is realised that this fundamental right to maintain one's secrecy and solitude according to one's whims requires a definitive meaning and strict practical application to ensure citizens autonomy. The necessity for privacy regulations and civil rights of privacy for every individual, regardless of sexual choice, sparked the privacy debate in the twenty-first century. However, because privacy is not an absolute right, every invasion must be justified by law and must be founded on legality, need, and proportionality in order to protect this prized right. One such on-going instance is the relationship between the Surrogacy Bill and the Right to Privacy. The Bill is heavily criticised for being discriminatory, prejudicial, and invasive of the fundamental right to privacy. In the paper, the author traces out  how the Right to Privacy pertains to one's body with regard to the Surrogacy Bill. Issues of bodily autonomy, consent, information sharing, and so on are thoroughly discussed in the paper.
Awareness, attitudes and perceptions about HPV and anti-HPV vaccine among women living in Taif, Saudi Arabia
Authors: Alziyadi Shatha Hallal , Alharthi Ashwaq Khader , Alnemari Sara Mohammed , Abdulaziz Reham Ahmed , Altowairqi Rahaf Yasser , Kabrah Lama , Samman Mohammad Abdulaziz
Published: September 2022

There has been a recent surge in the number of cases of Human papillomavirus (HPV) infections in Saudi Arabia, despite the country's reputation for conservatism and lower incidence of other sexually transmitted diseases.. The study aimed to assess the awareness and knowledge of HPV and acceptability HPV vaccination among the female population in the Taif region. A survey was conducted among females aged 18-58 years who were residents of Taif city. A pretested questionnaire was used that included sociodemographic details and items that recorded awareness, knowledge, attitude, and perceptions related to HPV and anti-HPV vaccination. A mixture of convenience and snowball sampling techniques was used to collect responses. About 47.1% had awareness regarding HPV and only 14.8% knew that HPV is a common infection in Saudi Arabia. However, 78.2% knew that unsafe sexual relations could increase the risk of infection with HPV. But only 15.8% believed that there is a treatment for HPV infection. The knowledge related to HPV was found to be poor among 58.5%, and only 10.9% demonstrated poor knowledge. Campaigns to educate people of all ages about human papillomavirus to remain essential for increasing HPV vaccination rates, particularly among women of reproductive age.
Comprehensive analysis on COVID-19 and emergency department resource management
Authors: Almulhim Khalid Nabeel
Published: September 2022

The pandemic of 2019, coronavirus disease 2019 (COVID-19), resulted in substantial challenges within an entire generation worldwide. The ultimate and extent of the effect of this pandemic on the health of the general public, global economies, societal unity, and daily life is still not known. The uncertain behavior of the extent of this virus has led to great uncertainty in societies. This just keeps on developing as our knowledge develops regarding the nature of this virus and its characteristics with community responses. The current study has been framed with objectives of analyzing the influence and effects of the COVID-19 pandemic on individuals, society, hospitals and healthcare systems, and the mental health of people in Saudi Arabia. The study has also involved the analysis of difficulties faced in managing the COVID-19 pandemic with reference to supply chain management during the COVID-19 pandemic. We reviewed the previously published literature from various scientific websites to collect the desired data. In this Special Issue devoted to management of department resources for crisis and the COVID-19 pandemic, we plan to provide an outline for a better understanding of what COVID-19 means for emotional well-being administrations in the Kingdom of Saudi Arabia.
study an elderly people's abnormal electrocardiographic changes at government hospital
Authors: Rao M. Madan Mohan , Obulesu G. , Mahaboob R. Salma
Published: September 2022

Population aging is one of the demographic characteristics of the 21st century. This process is necessarily accompanied by an increase in the prevalence of cardiovascular diseases that may have expression on the electrocardiogram (ECG). Aim: to study an elderly people's abnormal electrocardiograph at government hospital. Material and Methods:All the Patients were admitted in the department of Medicine at  Government medical college, Kadapa, Andhra Pradesh, India. Study period January 2021 to june 2021These participants were then clinically examined and studied in accordance with the study's guidelines to generate the necessary data, which was then categorised, tabulated, and classed before being subjected to analysis. Total 300 persons should taken in the study.150 were healthy one and 150 were patients. The age of the persons should be 65 years and above, both the sex were included. Conclusion: Atrial fibril-lation was the most prevalent rhythm abnormality. With no association to sex or skin tone, ventricular repolarization changes outweighed ventricular depolarization changes. There were a sizable number of instances with extended QT, left ventricular hypertrophy, and anomalous left atrium.
bioactive role of aqueous extract of aegle marmelos leaves on obese rats
Authors: Sharshar Asmaa M. , Ameen Ahmed A. , El-Masry Hany G.
Published: September 2022

The aim of this study was to evaluate the effect of Aegle marmelos aqueous extract (AMAE) leaves on obese rats. Twenty-five adult male albino rats (Sprague-Dawley strain), weighing about (200±10g) were divided randomly into two main groups as follow: the first group (-Ve control= 5 rats) was fed on basal diet. The second group (20 rats) was fed on high fat diet (HFD) for 4 weeks then divided equally to 4 groups from group 2 to group 5. Group 2 (+Ve control) fed on basal diet. Group 3, 4 and 5 fed on HDF administrated orally with 1, 2 and 3 ml of AMAE, respectively. At the end of the experimental period (4 weeks), rats were scarified and serum was collected to determine levels of lipid profile, glucose, leptin kidneys and liver functions. The results showed that the body weight of rats and serum levels of lipids profile, leptin, glucose, kidneys functions and liver enzymes were elevated by HFD administration (positive control group) compared with negative control group, while HDL-C decreased. It was also found that oral administration of AMAE diet with reversed these changes that caused by HFD.
Application of Topsis method to the selection of a production drilling rig
Authors:   Eskisehir Osmangazi University, Chanda Stephen
Published: September 2022

Drilling and blasting are considered to be the first unit of operations in mining. proper rock fragmentation is the key first element of the ore winning process, as it affects the economics of processing. To ensure a proper fragmentation is achieved, a lot of factors are considered, one of them being the accuracy and efficiency of drilling. This makes drilling an important part of the rock fragmentation process, and the selection of a drill rig that will result in achieving desired production rate is thus an important decision for mining engineers. In this paper, the Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) method was applied to the selection of a Production Drill Rig. The methodology involved the application of the Analytical Hierarchy Process (AHP) method in calculation of the weights of the criteria. Expert opinion was used in the formation of AHP pairwise matrices. TOPSIS method was then used to rank the alternatives and finally, the most appropriate drill rig was selected. It was shown that TOPSIS method can be applied in equipment selection as opposed to the traditional trial-and-error methods, which will result in speedy decision making.
Impact of laboratory automation and informatics at Mufulira analytical laboratories
Authors:   Copperbelt University, Mulenga C , Nyirenda K ,   Copperbelt University, Songolo M ,   Copperbelt University, Hara Y ,   Copperbelt University, Banda J ,   Copperbelt University
Published: September 2022

Mopani Copper Mines has been experiencing late process of result reporting at its Analytical Laboratory. The delay in reporting results has been attributed to increased number of samples and analyses that are required within standard laboratory practices. Because Analytical Laboratories desire to enhance their performance as a way of increasing operational capacity, reduce operational costs, and improve cash flow, technological trends which elevate experimental data quality and reduce laboratory turnaround times were adapted at Mufulira Analytical Services Department. The study was undertaken to assess the impact of laboratory automation and informatics on the cost of operations, production output and quality of operations. Primary and secondary data was collected and analysed on a sample population size that included employees from the Analytical Services Department and client departments. The research study made the following conclusions: (i) Automation and Informatics has resulted in improvement on the performance of operations of analytical laboratory, with the increase of 5.03 per cent on the number of samples analysed, cumulating to 1,344 number of samples in reference to the months of July and August in the base year of 2013. (ii) There was a reduction in costs as a result of automation and informatics as evidenced on savings of 32.83 per cent on overtime hours, which cumulated to 1,331.34 hours saved, with reference to the base year 2013. (iii) Automation and informatics has resulted in reduction of errors and an improvement in the performance quality of the analytical laboratory. (iv) Post-automation and informatics was better than pre-automation and informatics. In order to reduce costs, increase cash flow and improve performance, the study recommended that Mufulira Analytical Services Department should scale up automation of its laboratory processes.
Kitwe black mountain - Is Zambia realising the true value from it?
Authors:   Mopani Copper Mines Plc, Kapobe Jackson , Mazala Charles ,   Mopani Copper Mines Plc, Phiri Richard ,   Mopani Copper Mines Plc
Published: September 2022

Nkana slag dump (The Black Mountain) in Kitwe, Zambia, has existed since 1931 when the copper smelter was commissioned. This 20 million tonnes of smelter slag contains about 0.34 per cent - 4.5 per cent cobalt and average 1.2 per cent copper. When Zambia Consolidated Copper Mines Limited was privatised, the slag dump was purchased by Anglo Vaal Mining (90% shareholding) who built a smelter in Chambishi in 2000 to recover the cobalt and copper in the slag. The smelter operations closed in 2006 and the slag dump was later sold to Nkana Alloy and Smelting Company Limited. Various small scale illegal miners (locally called Jerabos) started illegally reclaiming the slag and selling to Chinese buyers operating small scale mineral processing plants. In the recent past, the government surrendered its 10 per cent shareholding of the slag dump to Chapamo Minerals Processing Company owned by the small scale local community (Jerabos). The substandard technologies being used by these small scale plants yield very low recoveries of about 50-60 per cent for both cobalt and copper, thus discarding huge quantities of valuable cobalt and copper which could be recovered if appropriate technologies were applied. This potential revenue to the nation in taxes is being lost. These small scale plants have not invested in appropriate advanced technology which can yield above 90 per cent recoveries because of their quest to make quick and easy money. The serious safety shortcomings at the slag dump have resulted in unnecessary loss of lives. The recent incident on 21 June, 2018 claimed 11 lives. There is need to study the physical structure of the slag dump to provide clear understanding of the safety precautions to be taken while reclaiming the material. There is, therefore, an opportunity to increase recoveries of the cobalt and copper by applying appropriate advanced technologies to process the slag. This will result in improved revenue, thus realizing the true value.
Mining induced displacement and resettlement (MIDR): a case of Muzabula compound in Solwezi mining district Zambia
Authors:   Copperbelt University, Kumwenda M , Chileshe Peter ,   Copperbelt University
Published: September 2022

Liberalisation of the economy in the early 2000s by the Zambian government led to the privatisation of the State owned mining assets. Kansanshi Mine in Solwezi, North-western province of Zambia was sold to First Quantum. When the company started mining in 2004, some families in Muzabula compound that where in proposed mining area were displaced. Mining induced displacement and resettlement (MIDR) led to loss of socio-cultural, economic and environmental aspects of the displaced families thereby affecting their livelihood. Included was loss of land, common property resources, and disruption of social networks, loss of traditional authority and identity and destruction of forests and loss of access to the river. The objective of the research was to evaluate the impact of MIDR on the livelihood of the displaced community of Muzabula Compound. The conceptual and theoretical framework was based on the ‘Impoverishment Risks and Reconstruction model’ that looks at impoverishment risk assessment of socio-cultural, economic and environmental aspect in its analysis that arise from displacement. Qualitative research methods were used to collect data through semi structured interviews with the community, mine representative and government officials. A total number of forty-seven participants took part in the interviews. Grounded theory was used for data analysis and interpretation. Displacement took place in two phases, in 2004 at the beginning of mining and in 2015 during the construction of the smelter road. During the first phase, people were compensated in form of money at $3190 (US Dollars) per 50 x 50 metres of land. The amount included houses, fruit trees, fields and whatever was on the land. The second phase, compensation was in form of good concrete houses better than the mad houses demolished and help in farming inputs and skills. The displaced families who were subsistence farmers improved their produce. The first displacement resulted in increased risks of impoverishment for the displaced due to loss of livelihood as the displaced families were not involved in the planning. The second displacement was properly planned and improved the displaced families’ livelihood. Planning must include all stakeholders who are the community, the government, Civil Society like the Church, Non-Governmental Organisations working in the community and the Mining Company officials. The 96 interests of the community to be displaced must be considered as a first priority. The paper concludes that Government must adhere to policies that govern mining displacement and resettlement to reduce on loss of livelihood for the displaced. In the first displacement this was not considered as the displaced families were not engaged in any planning meetings and were just informed by the government officials and traditional leadership that they will be displaced and compensated.
Evaluation and design of a mine ventilation system for Mindola deep mine :(5220 L - 6365 L ore zone) Zambia: Determination of significant contributors and factors
Authors:   Copperbelt University, Lukonde P , Chileshe Peter ,   Copperbelt University
Published: September 2022

The paper reports research findings on the evaluation and design of the end of mine life ventilation system for the 5220L – 6365L ore zone of the Mopani Mindola Copper Mine in Kitwe, Zambia. The purpose of mine ventilation is to provide suitable environmental conditions in working places. The objectives of the research were: firstly, the evaluation of the current mine ventilation system for the 4440L – 5220L ore zone, taking into account the aged ventilation system infrastructure and, secondly, building of a ventilation baseline database for design of the end of mine life ventilation system taking into account the planned increase in production, and subsequent increase in depth of mining from 1586m (current depth) to about 1930m (5220L – 6365L ore zone). In evaluating the current ventilation system and designing the end of mine life ventilation system the methodology involved, firstly, collection of the mine and equipment physical details as well as primary and secondary data of the current ventilation system by means of ventilation surveys, analyses, and computations as well as processing of obtained data so as to use it in the design of the end of mine life ventilation system. Findings were: High wet-bulb temperatures (in excess of or close to 31.0 o C) were recorded in several mining areas below 4440L; Low air volumes of 1.5 – 4.5m3/s and velocities of 0.6 – 1.5m/s (lower than legal/scientific baselines of 30.0m3/s and 4.0m/s respectively) were evident in a number of mining areas between 4370L and 4440L; Dust concentrations of ventilation air in almost all mining areas were compliant with the established legal and or scientific baselines of 100 ppm; Obnoxious gas concentrations both in the general body of ventilation air and diesel unit exhaust emissions were well below Zambian legal/global scientific baselines of 1000 ppm CO2 and 100ppm CO . The total quantity of air leakage was in excess of 224 m3/s (35 % of total downcast air). In summary, the computed heat loads in the current mining zone (4440L – 5220L) recorded that diesel engine equipment with a total heat load of 1,792.5 kW (49% of the total heat generated) was the highest contributor, indicating it to be the 127 most important variable. Secondly, electrical equipment (fans), exposed rock (strata), metabolism, and others accounted for 1,861.5 kW (51% of the total heat generated). In conclusion, reduction and or replacement of diesel equipment electrical equipment would bring about significant reduction in mine heat load, and reduce or eliminate the need for refrigeration of the Mindola mine workings at depth.
Prevalence, intensity and influence of size and seasons on parasites of Oreochromis niloticus in Ekiti State Dams, southwest, Nigeria.
Authors: Olagbemide Peter T. , Owolabi Olufemi D.
Published: September 2022

Fish are subject to various contaminants and environmental contradictions in the aquatic environment that convey stress on them, making them vulnerable to parasites. Therefore, this study was designed to investigate the prevalence and intensity of parasitic infections in Oreochromis niloticus that are of dietary and financial values in Ekiti State. 540 specimens of O. niloticus with different lengths and weights were indiscriminately procured from fishermen at Egbe, Ero and Ureje dams, Ekiti state between November, 2018 and October, 2019. Standard techniques for parasitology were employed in the study. Fish samples were examined, dissected and parasites were removed, identified and counted. Total parasites of 308 (16 genera), 275 (10 genera) and 468 (13 genera) were collected from Egbe, Ero and Ureje dams respectively. The total parasite prevalence was 53.3, 58.3 and 55.5% for Egbe, Ero and Ureje dams respectively. In this investigation, parasite prevalence associated significantly at P < 0.05 with body length and weight in Egbe, Ero and Ureje dams. This indicates the procurement of parasite by age. The mean intensity and abundance of parasites in the three dams were higher significantly at P < 0.05 in rainy season in comparison to dry season. Irrespective of seasons, the parasite abundance and the mean intensity were higher significantly at P < 0.05 in Ureje dam in comparison to Egbe and Ero dams. High degree of pollution normally sustain parasite load as indicated in this study and could diminish fish performance and production. Hence, pollution control and regular examination of the water bodies should be advocated.
Organic Compound Composition in Sachet and Bottled Water Potable Produced in Southwest Ado Ekiti, Nigeria
Authors: Ojo Abiodun Ayodele , Mubarak Akanji Raji , Onasanya Amos , Johnson Jonathan , Adewole Ezekiel , Idowu Olajumoke Tolulope
Published: September 2022

Organic pollutants are pollutants that are organic in nature, basically containing carbon covalently bonded with other elements. They are known to be toxic or carcinogenic in nature. Their presence in water in large quantity causes considerable and widespread concern. Ten water samples -sachets and bottles, were bought from different potable water producing plants in Ado-Ekiti environs. By using a separatory funnel with liquid-liquid extraction system of 50mL:50mL n-Hexane: Dichloromethane,  organic contaminants were extracted from the water samples. These samples were analyzed using ultra violet-visible spectrophotometry, which determined that the wavelength of maximum absorption (λmax) of the organic compounds present in all the water samples was 222 nm. These organic compounds were identified using Gas Chromatography-Mass Spectrometry (GC-MS). The composite water sample obtained from the sachet water revealed sixteen (16) organic compounds, while ten (10) were found in the bottled water composite sample. The common organic compounds found in both the sachet and bottled waters are Neophytadiene, Hexadecanoic acid, Eicosadiene, Cyclotrisiloxane, and Tetrasiloxane. Other organic compounds found only in the composite bottled water samples are: Dodecanoic acid, Octadecadienoic acid, Octadecenoic, Methyl stearate, Benzisothiazol-3-amine, and Arsenous acid. The presence of Arsenous acid is quite worrisome, especially when found in bottled water that most elites in the society drinks. In the composite sachet water sample, other organic compounds found include Copaene, Cubebene, Caryophyllene, Humulene, Naphthalene, Caryophyllene oxide, Tetradecyne, Caffeine, Methyl Hexadecenoic acid, Hexadec-9-enoate, p-Camhorene, Octadecatrienenoic acid, Supraene, and HexamethylCyclotrisiloxane. In general, most of these organic compounds have plant origin but their presence in potable water is undesirable and therefore regarded as contaminants and harmful. The water producing plants need to incorporate effective organic purification systems to remove these organic compounds, which are harmful contaminants from the drinking waters.
Sero-epidemiology of Marburg virus amongst respondents in Sobi Area, Ilorin, Kwara State, Nigeria
Authors: Kolawole Olatunji Matthew , Ogunleye Akinola Alex , Suleiman Muhammed Mustapha
Published: September 2022

Marburg virus disease is a hemorrhagic fever of public health importance. There is sparse information on its prevalence in Nigeria. This study was aimed at determining the serological epidemiology and molecular confirmation of MV amongst inhabitants of Sobi in Ilorin, Nigeria in order to forestall a potential outbreak of MVD. Serological evaluation of collected blood samples from consenting participants was carried out using MELSIN ELISA kit for antibody detection. Structured questionnaire was used to collect risk factor data. This study revealed the serological presence of Marburg virus IgG (26.5%) and IgM (19.0%) in this locality(P<0.05). MV IgG and IgM prevalence by evaluated risk factors were 12 (23.5%) and 6 (16.7%), 11 (21.6%) and 9 (25.0%), and 27 (50.9%) and 13 (34.2%) for presence of bats in vicinity, respondent’s visitation to park/zoo and presence of trees in residential area respectively at varying statistical correlations. Consumption of sick animals, contact with dead animals and involvement in preparation of dead body for burial showed an IgG/IgM positivity of 4 (7.7%)/2 (5.4%), 3 (5.8%)/4 (10.8%) and 11 (21.2%)/4 (10.8%) respectively. Higher frequency of contact or closer proximity to known risk factors showed higher prevalence and bats within vicinity revealed to be more amongst respondent with tree in residential area than those closer to Sobi hill. Reduction of bat to human contact and hygienic practices in occupation/research involving animals should be encouraged.
Geotechnical Investigation of Subsoil Materials in a Typical Basement Terrain, Southwestern Nigeria- A Case study.
Authors: Falae Philips Omowumi , Ogundana Ayo
Published: September 2022

Geotechnical investigation of the subsurface materials of a proposed Primary Health Center (PHC) in Modeke Oyo East Local Government Area (OELGA). of Oyo State has been conducted. The investigation is aimed to determine the suitability of the site for the proposed Bungalow building by assessing the subsoil strata that underlie the area. Three (3) points were tested to depth of 4.75m using a 2.5-ton DCPT equipment, while three (3) trial pits were dug to a depth of 1.5m with the aid of hand auger, and various lab analysis were conductedon selected samples from the trial pits. The result obtained from the DCPT indicates that subsurface is made up of stiff to very stiff sandy lateritic clay underlain by very stiff to hard sandy lateritic clay with hard pans layers. The allowable bearing pressure was observed to increase with depth to 4.75m further confirmed the subsurface lithologies. The Allowable Bearing Pressure (qa) in kN/m2) with a range of values 81 – 256 kN/m2, 54 – 155 kN/m2 and 162 – 338 kN/m2 for DCPT points 1, 2, and 3 respectively, indicate a Safe Bearing Pressure thatcan support load up to 45 kN/m with factor of safety of 2.5. Sieve analysis results revealed that the soil is well graded with dominant gravel which show a well-drained soil with good strength characteristics. Liquid limits ranged from 26.7% to 43.3%, plastic limits from 15% to 27% and plasticity index from 9.7% to 27.3%, thus indicating low to medium compressibility. The natural moisture contents values range between 4% and 15%, indicating lateritic clay of low to medium plasticity with low moisture content. Based on the above deductions, it can be concluded that, the factor of safety of 2.5 calculated from the allowable bearing pressure from the CPT, low to medium compressibility from Atterberg limits test and moisture content below 15% show that the investigated site is good and could safely support a bungalow building as proposed.
Productividad Total de Factores en manufacturas mexicanas: caso frontera norte 1993-2013
Authors: Félix Armenta Jimmy , Viramontes Olivas Óscar A. , Guerra García Ernesto , Galaviz Acosta Sergio A.
Published: September 2022

La entrada en vigor en enero de 1994 del Tratado de Libre Comercio (TLCAN) con Estados Unidos de Norteamérica y Canadá por parte de México favoreció al empleo y a la economía mexicana. Las manufacturas mexicanas mostraron una descentralización de las actividades, resultando favorecidas las entidades fronterizas del norte del país al convertirse en la región que más contribuye al empleo y la producción de la economía mexicana. El presente ensayo analiza la evolución de la frontera norte de México a partir de la Productividad Total de Factores (PTF) bajo la metodología de estimaciones del residuo de Solow. Los resultados indican que el cambio regional no ha promovido un crecimiento económico adecuado para la economía mexicana, ya que la frontera norte, a pesar de presentar el mayor incremento en el producto y en la fuerza laboral, no ha sido capaz de traducirlo en un mejor dinamismo en términos de productividad, lo cual implica una reducción en la contribución de las manufacturas en el crecimiento económico del país.

DOI: https://doi.org/10.54167/tch.v13i2.463
PENGARUH PROFITABILITAS DAN OPINI AUDIT TERHADAP AUDIT DELAY DENGAN UKURAN PERUSAHAAN SEBAGAI PEMODERASI
Authors: Asmedi Syamsul
Published: September 2022

Penelitian ini bertujuan untuk menguji pengaruh profitabilitas dan opini audit terhadap audit delay dengan ukuran perusahaan sebagai pemoderasi. Variabel independen yang digunakan adalah profitabilitas dan opini audit, variabel dependen yang digunakan adalah audit delay dan variabel moderasi yang digunakan adalah ukuran perusahaan. Jenis penelitian ini digolongkan sebagai penelitian yang bersifat kuantitatif. Data yang digunakan adalah data sekunder. Populasi dalam penelitian ini adalah perusahaan sektor pertambangan yang terdaftar di Bursa Efek Indonesia periode 2014-2019 sebanyak 43 perusahaan. Pengambilan sampel dalam penelitian ini menggunakan teknik purposive sampling. Berdasarkan purposive sampling didapat 174 perusahaan. Teknik analisa yang digunakan adalah analisis regresi berganda dan MRA. Pengolahan data menggunakan Eviews 10.

 

Kata Kunci    : Profitabilitas, Opini Audit, Audit Delay, Ukuran Perusahaan
Litter production in two age groups of nitrogen fixing Acacia auriculiformis A. cunn. ex Benth plantations
Authors: Kumar Jitendra
Published: September 2022

In a forest ecosystem, nutrient storage and cycling are effectively balanced by long-term retention in the bole and short-term retention in the twig and leaf. There is a continuous release of nutrients into the soil by the decomposition of fallen litter. Litter production of forest floor is the result of fall of leaves either seasonally or continuous throughout the annual cycle. Periodic collection and quantification of different litter components of 3 years old (Site I) and 6 years old (Site II) monoculture plantations of Acacia auriculiformis have been carried out at Varanasi for two consecutive years. The litter has been separated into phyllode, twig + wood and fruit + inflorescence. The Site I had 5.27 to 6.80 t ha-1yr-1 of which phyllode contributed 72 to 78% and at Site II it was 9.56 to 11.78t ha-1yr-1 where phyllode account for 75-78%.
A Study of Neutrosophic Differential Equations By Using the One-Dimensional Geometric AH-Isometry Of NeutrosophicLaplace Transformation
Authors:   Department of  Mathematics, port said, Egypt, Salama Ahmad ,   PHD of  Mathematics, GaziAntep, Turkey,   Departement of  Mathematics, Albaath University, Homs, Syria,   Department Of Mathematics, Cairo University, Egypt, Aswad Malath Al , Dalla Rasha , Ali Rozina
Published: September 2022

In this paper, we study the neutrosophic differential equation by using the one-dimensional geometric AH-Isometry of Neutrosophic Laplace Transformation.Where we use this AH-isometry to find the algebraic image of this transformation, and then to apply this image directly on the problem of finding the solutions of differential equations.
MATHEMATICS INSTRUCTION: PRACTICAL ADVOCACY FOR REGRESSION ANALYSIS AT A HIGH SCHOOL IN SOUTH AFRICA
Authors: Chinamasa Ronald , Chinamasa Emmanuel
Published: September 2022

This study sought the possibility of a practical approach to the teaching of Regression analysis at a high school in South Africa. This contributes to improvement of teachers’ mathematics instructional methods and enhances learners’ understanding and application of regression models. The study was prompted by the observation that, generally students are underperforming in mathematics. One of the reports for Curriculum 2005, pointed out that students showed lack of understanding of regression analysis concepts. The study was guided by pragmatism research philosophy which seeks truth from intervention actions that work by solving the problem. Data collection was initiated by desk research for conceptual understanding. This was followed by surveys of a purposive sample of 33 teachers’ views and lesson observations of how regression analysis concepts were taught. Document analysis and interviews helped to identify factors influencing the application of lecture methods. Error analysis was done to identify key points for corrective teaching. A group project practical approach was designed by the researcher, pilot tested at one school and evaluated by teachers who observed the video during an online lesson evaluation focus group discussion on ZOOM and BIGBLUEBUTTON platforms. The study established that, students’ low levels of conceptual understanding of linear regression can be taught from a practical approach using this model: Establish students’ errors through a pre-test. Introduce concepts by posing practical problems. The relevance of the task must provoke learners’ emotional overtones. Use the problem to introduce concepts such as, nature of relationship, strength of relationship, coefficient of determination, regression linear model or equation and its use as a systematic mathematical method to solve the problem. Allow students to form groups of five to nine learners per group. Task them to measure and record group members’ height, weight, arms’ length and shoe size. Groups established mathematical models linking Weight and shoe size, weight and height, height and stretched arms’ lengths. Learners’ present their findings from the project to the whole school. Study encourages teachers to carry out error analysis for progression, real-life problems and develop procedural knowledge from practical activities. Satisfy students’ curiosity by practical investigations of relationships for common variables like weight and shoesize.
TEACHER-PUPIL CONFLICT IN SECONDARY SCHOOLS: EXPLANATORY TEACHERS’ NEEDS ANALYSIS IN ZIMBABWE
Authors: Mangwiro Temba
Published: September 2022

This study was motivated by the existence of reported teacher-pupil conflict in schools. Its purpose was to enhance teaching and learning interactive relation by exploring management strategies which reduce teacher-pupil conflicts. The study was guided by a qualitative research philosophy which used mixed data collection methods to capture social variables. The study design was a prescriptive seriation of three methods. First was a document analysis of school policies, rules and regulations to capture standards. This was followed by a survey to determine the problem distribution, contributing factors and possible management strategies. A self-reporting questionnaire gathered data from a stratified sample of 33 School Heads, 57 Deputy Heads, 241 Class Teachers and 274 School Prefects and 65 parents from 47 primary schools and 31secondary schools in Zimbabwe. Case studies of reported incidences were dominated by document analysis of reports and interviews for in-depth understanding. The study revealed that, Manicaland province had the highest number of teacher-pupil conflicts at secondary school level. The majority of them involved male teachers and male learners. Social factors such as Teachers’ failure to respect learners, verbal abuse and suspected favouritism practices were attached to teacher-pupil improper association. Cases linked to teachers’ poor lesson delivery included learner harassment, administering of corporal punishment and learner emotional abuse through unjustified punishments. The study deduced that young teachers have limited guidance and counselling skills ideal for adolescents. The study established the following strategic needs for the management of conflict between secondary school learners and teachers: first there is need for teacher in-service courses on adolescent class management. Course and workshop content to include human rights and conflict management. Learner participation in school governance need enhancement. Schools can improve teacher-learner communication skills and the use of collaborative decisions.
THE LEADERSHIP OF THE PRINCIPAL IN IMPROVING
Authors: Qurrota A’yun Ummu , Hidayati Dian
Published: September 2022

This research is entitled Principal Leadership in Improving Quality in SD Muhammadiyah Darul Falah Jenawi. This study aims to determine how the principal's leadership improves the quality of education and to find out what factors can improve the quality of education in SD Muhammadiyah Darul Falah Jenawi. Researchers focus this research on improving the quality of education. This research uses the case study method, and subjects consist of principals and teachers. Data were collected by researchers using observations, interviews, and documentation, and data validity was carried out by data triangulation. The study results resulted in the following findings: 1) Improving the quality of the principal's leadership in carrying out the seven roles and functions. 2) Improving the quality of education in SD Muhamadiyah Darul Falah is determined by how the principal can manage school management and the ability to set the Vision, Mission, Strategy, and Targets according to the situation and conditions of the school. 3) Overall condition of the Principal of SD Muhamadiyah Darul Falah Jenawi in carrying out his duties and functions as an Educator, Manager, Administrator, Supervisor, Leader, Innovator, a Motivator.
Psychological Distress and Smartphone Addiction: Does Perceived Social Support Make a Difference
Authors: Law Mei-Yui , Yap Jin-Jie
Published: September 2022

The smartphone is a double-edged sword for university students; it is a necessary tool for communication which also brings along negative consequences if used excessively. This cross-sectional study was conducted to identify the prevalence rate of smartphone addiction among the undergraduates, to determine psychological distress as a significant predictor of smartphone addiction, and to examine perceived social support as a significant mediator in psychological distress and smartphone addiction. A total of 112 (61 females, 51 males) undergraduates in Kuala Lumpur, Malaysia, aged 18 to 24 years were selected through the purposive sampling method. Participants completed a set of questionnaires via Google Form consisting of Kessler Psychological Distress Scale, Smartphone Addiction Scale-Short Version, and Multidimensional Scale of Perceived Social Support. SmartPLS (Partial Least Squares) which is based on the principles of path modeling and bootstrapping was employed to build the causal model. Results revealed that 66.10% of undergraduates were addicted to smartphones. Also, psychological distress significantly predicted smartphone addiction, with t-value = 7.423, p < 0.001. However, perceived social support did not mediate the relationship between psychological distress and smartphone addiction, with t-value = -0.939, p > 0.05. These findings imply that smartphones have become indispensable for undergraduates and the psychological distress of undergraduates should be given priority in reducing smartphone addiction. Suggestions are made for higher learning institutions to design intervention plans to reduce the psychological distress and smartphone addiction amongst university students.
QUAN HỆ DI TRUYỀN VÀ ĐẶC ĐIỂM HÌNH THÁI CÁC LOÀI CÁ CÓC THUỘC GIỐNG Tylototriton (AMPHIBIA: CAUDATA) Ở VIỆT NAM
Authors: Thịnh Nguyễn Văn , Hoà Ninh Thị , Ngần Nguyễn Thị , Tạo Nguyễn Thiên , Dũng Đỗ Hữu , Cường Phạm Thế , Anh Phạm Văn , Hải Ngô Ngọc , Trường Nguyễn Quảng , Chung Hoàng Văn
Published: September 2022

Ở Việt Nam hiện ghi nhận 6 loài cá cóc thuộc giống Tylototriton: Cá cóc gờ sọ mảnh T. anguliceps; Cá cóc sần T. pasmansi; Cá cóc sần T. sparreboomi; Cá cóc sần thái T. thaiorum; Cá cóc việt nam T. vietnamensis và Cá cóc sần zíg-lơ T. ziegleri. Kết quả trình tự đoạn gen ND2 cho thấy các mẫu của loài T. anguliceps, T. pasmansi, T. sparreboomi, T. vietnamensis và T. ziegleri có sai khác nhỏ hơn 1,80%, 0,50%, 0,02%, 0,50%, và 2,70%, tương ứng và không có sai khác về di truyền giữa các mẫu trong loài T. thaiorum. Sai khác di truyền giữa các loài trong giống Tylototriton dao động trong khoảng từ 3,86 đến 12,06%. Các loài cá cóc ở Việt Nam phân thành hai nhóm, nhóm I gồm năm loài T. ziegleri, T. pasmansi, T. sparreboomi, T. thaiorum, T. vietnamensis và nhóm II chỉ có loài T. anguliceps. Bên cạnh thảo luận về mối quan hệ di truyền của 6 loài cá cóc giống Tylototriton ở Việt Nam, chúng tôi mô tả hình thái của 6 loài ghi nhận, cụ thể kích thước dài thân (SVL) của các loài thuộc giống Tylotoriton từ 56 đến 75 cm và có các nốt sần trên lưng, bụng màu nâu hoặc nâu sẫm. Vùng phân bố của các loài thuộc giống Tylototriton được ghi nhận từ Hà Giang đến Nghệ An.
KỸ THUẬT CHĂM SÓC LOÀI TẮC KÈ ĐUÔI VÀNG (Cnemaspis psychedelica) TẠI TRẠM BẢO TỒN ĐỘNG VẬT HOANG DÃ DẦU TIẾNG
Authors: Anh Nguyễn Thị Tâm , Vương Lê Trung
Published: September 2022

Là một loài đặc hữu tại đảo Hòn Khoai, tỉnh Cà Mau, Tắc kè đuôi vàng (Cnemaspis psychedelica) đã trở thành loài động vật quý hiếm, có giá trị bảo tồn cao tại Việt Nam. Cụ thể, Tắc kè đuôi vàng nằm trong Danh lục Đỏ IUCN (2022) ở bậc Nguy cấp (EN), và là loài cực kỳ nguy cấp, quý, hiếm thuộc Nhóm IB của Nghị định 84/2021/NĐ-CP của Chính phủ. Thực hiện chương trình nhân nuôi để bảo tồn loài đặc hữu này, Tổ chức Bảo vệ Động vật Hoang dã (Wildlife At Risk – WAR) đã kết hợp với Viện Sinh thái và Tài nguyên sinh vật, Vườn Thú Cologne (Cộng hòa Liên bang Đức) thực hiện chương trình gây nuôi sinh sản loài Tắc kè đuôi vàng vì mục tiêu bảo tồn tại Trạm Bảo tồn Động vật Hoang dã Dầu Tiếng giai đoạn 2017-2022. Với nguồn giống ban đầu là chăm sóc 5 con đực và 6 con cái, sau đó, ghép cặp theo tỉ lệ 1:1, chúng tôi đã chăm sóc và gây nuôi sinh sản thành công 11 con F1 và 2 con F2 trong thời gian tháng 01/2017-12/2021. Từ đó, dựa trên những kinh nghiệm thực tế, chúng tôi xây dựng kỹ thuật chăm sóc Tắc kè đuôi vàng bao gồm từ khâu chọn giống, xây dựng chuồng nuôi, đặc điểm sinh sản (thời gian), chế độ ăn và các lưu ý trong công tác thú y, vệ sinh.
MÔ HÌNH HÓA VÙNG PHÂN BỐ THÍCH HỢP CỦA LOÀI CÁ CÓC QUẢNG TÂY (Paramesotriton guangxiensis) TẠI MIỀN BẮC VIỆT NAM
Authors: Dũng Trần Văn , Nishikawa Kanto
Published: September 2022

Thông tin về các yếu tố môi trường ảnh hưởng đến vùng phân bố của loài có vai trò rất quan trọng trong thực hiện chương trình bảo tồn cho các loài động vật hoang dã, đặc biệt là các loài quý hiếm. Trong nghiên cứu này, chúng tôi đã sử dụng phần mềm MaxEnt để dự đoán vùng phân bố của loài Cá cóc quảng tây (Paramesotriton guangxiensis) dựa trên vị trí ghi nhận sự có mặt của loài và các biến môi trường khác nhau. Kết quả mô hình cho thấy lượng mưa quý nóng nhất (Bio18), độ cao (Elevation) và lượng mưa tháng khô nhất (Bio14) là các biến ảnh hưởng mạnh đến vùng phân bố của loài Cá cóc quảng tây tại miền Bắc Việt Nam. Mô hình của chúng tôi cũng cho thấy các khu vực thuộc huyện Nguyên Bình, tỉnh Cao Bằng, và một phần nhỏ thuộc các huyện Ngân Sơn và Ba Bể, tỉnh Bắc Kạn là vùng phân bố thích hợp với loài Cá cóc quảng tây. Tổng diện tích thích hợp của loài Cá cóc quảng tây tại miền bắc Việt Nam được dự đoán khoảng 2.055,11 km2, trong đó diện tích thích hợp thấp khoảng 1.543,23 km2 (75,09%), thích hợp trung bình khoảng 423,90 km2 (20,63%) và thích hợp cao chỉ khoảng 87,99 km2 (4,28%). Nghiên cứu ước tính diện tích thích hợp được bảo vệ bởi các khu rừng đặc dụng khoảng 202,52 km2, chỉ chiếm khoảng 10% tổng diện tích thích hợp của loài này tại Việt Nam. Kết quả của nghiên cứu này cung cấp cơ sở về vùng phân bố của loài để thực hiện các chương tình bảo tồn loài Cá cóc quang tây trong thời gian tới.