bluuebunny/crossref_metadata_2025 huggingface dataset:
Pre-operative screening of diabetic patients for heart rate variability and their hemodynamic responses during induction of general anaesthesia
Authors: Lakshminarasimhaiah Geetha , Dinesh Nithya , Kumar Arun , Musti Smita , Rao Ridhi , Khavas Ayesha Sabha
Published: November 2023

: Cardiovascular autonomic neuropathy (CAN) is one of the least frequently diagnosed and the most clinically significant complications of Diabetes mellitus (DM). Impaired heart rate variability (HRV) is the earliest indicator of CAN. Peri-operative hemodynamic instability is a major concern during general anaesthesia (GA) in patients with autonomic dysfunction. Purpose of this study was to assess and compare the autonomic function using HRV in diabetic and non-diabetic patients pre-operatively and to study the haemodynamic responses of these patients during induction.

: The primary objective was to assess and compare the autonomic function using HRV in diabetic and non-diabetic patients preoperatively. Secondary objective was to study hemodynamic responses of these patients during induction of GA.

: We included 68 patients (34 diabetics- group D and 34 non-diabetics- group N) aged between 30 to 65 years, with American society of anaesthesiologists (ASA) physical status 1 and 2 undergoing elective surgeries under GA. All the eligible patients underwent HRV evaluation for 10 minutes on the previous day of surgery and the time & frequency domain variables were evaluated. The hemodynamic parameters were recorded at pre-induction, post-induction, post-intubation and for every 3 minutes thereafter for 15 minutes and analysed.

: The diabetics had a significantly lower total power (TP) with p-value 0.003. The post- induction mean arterial pressures (MAP) were comparatively lower in diabetics and the difference was significant at 12 minutes post intubation (p= 0.04). The lower trends in heart rate (HR) were comparatively more in diabetics rather than non-diabetics (p= 0.06) and the ephedrine usage was also higher in diabetics (p= 0.07).

The measurement of HRV is a simple tool to evaluate the peri-operative risks in patients with suspected cardiovascular autonomic neuropathy.
A randomized double blind study to evaluate the effect of nebulized dexmedetomidine on the haemodynamic response to laryngoscopy – Intubation and intubation conditions
Authors: Paul Neenu Susan , Abraham Valsamma , Liddle Dootika
Published: November 2023

: A cardiovascular stress response is frequently brought on by direct laryngoscopy and intubation. It is widely known that the sympathetic adrenal stimulation elicited by mechanical stimulation to the upper respiratory tract is what causes the haemodynamic response during laryngoscopy and intubation. The study's goal was to assess the impact of preoperative dexmedetomidine nebulization on the patient's hemodynamic response to laryngoscopy- intubation and the intubation conditions.

: The American Society of Anaesthesiologists (ASA) I & II adult patients, of either gender, undergoing elective surgeries requiring tracheal intubation were randomized to receive nebulized dexmedetomidine (Group D) or 0.9% saline (Group P), 30 minutes prior to the induction of anesthesia. This study was conducted in the department of anesthesia and critical care at the Christian Medical College in Ludhiana. Following laryngoscopy, the patient's heart rate and non-invasive systolic and diastolic blood pressure will be monitored for 10 minutes. The intubation conditions were noted during laryngoscopy.

Total 100 patients with 50 in each group were included. At the time of laryngoscopy and after the intubation 1 min, 3 min,5 min, 7min and 10 min there were significantly lower trend in increasing HR, SBP, DBP and RPP in dexmedetomidine group versus saline. The intubation score representing conditions for intubation was significantly better in the dexmedetomidine group (P=0.013) than the saline group. There was no significant side effect noted (p=1.000). There was significant reduction in intraoperative analgesic and sedative requirement observed in dexmedetomidine group

Our study concluded that the nebulized dexmedetomidine attenuated haemodynamic response to laryngoscopy- intubation and provided better intubation conditions without significant side effects. We advise using nebulized dexmedetomidine pre-operatively for a surgical procedure requiring general anesthesia in order to reduce the haemodynamic response to intubation and to facilitate intubation conditions without experiencing any severe adverse effects.
Challenges to AI use in anesthesia and healthcare: An anesthesiologist’s perspective
Authors: Gandotra Sakshi , Gupta Slomi
Published: November 2023

Anesthesiology is well positioned to benefit from applications of artificial intelligence on multiple elements such as monitoring the depth of anesthesia, control of anesthetic machine functions, ultrasound guidance for procedures and diagnosis, adverse event prediction, pain assessment and management, and optimising the operating room workflow. The ethical concerns can arise from multiple aspects of AI research and deployment such as the nature and source of the data, data collection methodologies, AI models design, output interpretation and inappropriate use. AI solution can have the unintended consequences like perpetuation of systematic biases and discrimination towards under-represented sections of society. There could be conflicts about data protection, intellectual property rights and economic gains. Also, the research must be transparent and solutions feasible. The clinician’s role is ever changing in this landscape. We will discuss the broad ethical frameworks that are applicable to developing and using AI in medicine.
Unexpected challenge: Proseal insertion and intubation complicated by undiagnosed aryepiglottic fold cyst
Authors: Sawhney Krishan Yogesh , Ahmad Sabih , Agarwal Aakash
Published: November 2023

Airway management has always been the main stay of concern for all Anaesthetists especially when it is an undiagnosed difficult one. Our main stay of the article is to be prepared with all forms of equipment for any and all difficult airways, difficult airway can turn into a nightmare for any anaesthesiologist. Vallecular or aryepiglottic fold cysts are often asymptomatic and harmless as long as they do not cause airway narrowing.

To discover a vallecular or aryepiglottic fold cyst after induction of anesthesia on direct laryngoscopy is a potentially life-threatening problem as it involves a challenge for the anaesthesiologist. This report describes the management of a patient with an asymptomatic vallecular cyst that was discovered during inability to ventilate after proseal insertion and visualised with laryngoscopy, prior to which the patient did not present with any airway symptoms even after anesthesia induction and muscle relaxant.
Cardiac patient for lung surgery: Walking the tightrope
Authors: Divekar Pranali , Saksena Shalini , Tilak Aditi Shashank , Bhatti Rishikesh Shashikant
Published: November 2023

A patient with poor cardiac function undergoing any surgery under any form of anaesthesia is at high risk for perioperative morbidity and mortality. Both open thoracic surgery and emergency laparotomy in these patients are associated with high incidence of postoperative pulmonary and cardiac complications. Perioperative assessment and multidisciplinary approach are key to managing such cases. Having a clear plan for induction, invasive monitoring, intraoperative fluid management and post-operative analgesia is important for a positive outcome. We present a case of an elective open pulmonary lobectomy and emergency laparotomy conducted within an interval of 7 days in a patient with adenocarcinoma lung and ischemic heart disease with ejection fraction of 10-15%, highlighting the perioperative challenges and management.
The critical role of anaesthesia in multifaceted care for severe thoracic trauma: A case study
Authors: Narayanan K Sathya , Mamgain Nikita , Bhandari Geeta , Chourasia Priyanka , Rathore Rishika
Published: November 2023

Blunt trauma to the thorax can be viciously dangerous and carries high mortality which warrants aggressive resuscitation and life-saving measures failing which cardiac arrest can occur. We present a case of a polytrauma male patient in the emergency department with diaphragmatic rupture, and bilateral pelvic and clavicular fractures in hypovolemic shock which progressed to cardiac arrest. The patient was immediately resuscitated with Cardiopulmonary and cerebral resuscitation (CPCR) according to Advanced cardiac life support (ACLS) guidelines and stabilized with intravenous fluids and further optimized with blood products. He was operated on for diaphragmatic rupture and shifted to intensive care where he was paralysed and kept on mechanical ventilation for 48 hours treated for severe metabolic acidosis and hemodynamic instability following which he was weaned off successfully. During his stay, he was evaluated for pelvic and clavicular fractures and treated for ICU-related delirium and Methicillin Resistant Staphylococcus infection(MRSA). Our case suggests that diaphragmatic injuries are uncommon but deadly in cases of abdominal forceful trauma because they can result in hemothorax and the movement of intestinal contents into the thoracic cavity. Such cases must be managed with clinical knowledge employing expedient surgical care and the best critical care. This case demonstrates the indispensable and undeniable contributions by anaesthesiologists who assume multiple roles within a hospital setup.
SÍNTESIS Y CARACTERIZACIÓN DE ARCILLAS PILARIZADAS CON ALUMINIO: EFECTO DE LA CARGA INTERLAMINAR SOBRE LA MODIFICACIÓN POR INTERCALACIÓN - PILARIZACIÓN
Authors: Galeano Luis Alejandro , Molina Rafael , Moreno G Sonia
Published: November 2023

Dos esmectitas (arcillas dioctaédricas y trioctaédricas) han sido pilarizadas con aluminio, y sus propiedades comparadas con las del material obtenido mediante el mismo procedimiento aplicado sobre un aluminosilicato con alta carga interlaminar (mica). Los materiales fueron caracterizados por DRX, CIC residual, cuantificación de acidez (adsorción de amoniaco), y textura por adsorción de nitrógeno. El proceso sobre la arcilla trioctaédrica generó un sólido con mejores características texturales y de acidez que su equivalente dioctaédrica. La mica mostró gran dificultad para el intercambio catiónico, requisito fundamental para la intercalación apropiada del material, pero su contenido ácido fue significativamente más elevado que el de las esmectitas pilarizadas con Al.
SITUACIÓN DE LOS INVERTEBRADOS ÁCUATICOS INTRODUCIDOS Y TRANSPLANTADOS EN COLOMBIA: ANTECEDENTES, EFECTOS Y PERSPECTIVAS
Authors: Álvarez-León Ricardo , De Paula Gutiérrez-Bonilla Francisco
Published: November 2023

Se incluye el estado actual de las especies de tremátodos, moluscos y crustáceos introducidos a Colombia, analizando la situación de su distribución, el manejo, los impactos y la situación de estas actividades ilícitas que atentan contra la biodiversidad del país. Las 20 introducciones incluyen seis tremátodos, tres moluscos y once crustáceos; los tres trasplantes incorporan un molusco y dos crustáceos. No se han detectado casos de hibridización por las introducciones y trasplantes entre las diferentes cuencas hidrográficas, pero sí su presencia en las granjas de producción acuícola, y en aguas libres. Se discute el futuro de las especies nativas.
Defense security and sustainable development in Africa: Emerging challenges and response
Authors: Abdulyakeen Abdulrasheed , Bello Mu’ammar
Published: November 2023

The endemic nature of insecurity in Africa stands out as one which is disastrous, thereby making African a shadow of itself. This study examines defense security and sustainable development in emerging democracies of Sub-Saharan Africa. Methodologically, Crosssectional descriptive survey design was adopted in the study, while primary and secondary sources of data were relied upon, interview and focus group discussion (FGD) were used as primary instruments of data collections. The social contract theory is adopted as the framework of analysis. Finding of this study revealed that bad governance has perpetuated class antagonism which breeds dissatisfaction amongst people in a bid to seek equality and justice in the distribution of power and economic resources. This process conceives conflict and the result for which many take to demand for rights which are unmet, hence unleashed terror to secure inalienable rights, access to power and economy. An analysis on Sustainable Development in this study, does reveal that denial and lack of access and opportunities are fundamental premises under which devastations of an economy can ensue and hence the entrenchment of the reign of terror. This process, as applicable in Africa, did also permeate the preponderance of reserved armies of unemployed under the guise of mendicant friars that further heightened the predominance of the terrorist regime in Africa amidst destruction of lives and economy. A way out of this is to create mechanism to open up more equitable access to power and economic opportunities which could lead to full capacity utilization of people’s potentials and subsequently empower them with incomes and improved living conditions. This requires both commitment and diplomacy of the government and to undertake under the banner of collective responsibility and good governance.
The impact of French foreign policy towards Africa on the external migration policy of the European Union
Authors: Afsar Onder Aytac , El-Hayanı Abdelhafid
Published: November 2023

This article analyses France’s foreign policy towards Africa from a realist perspective. It identifies how this policy creates a state of inequality in terms of Franco-African relations through the Francafrique system and how the long-term policy’s consequences have led to negative impacts on the European Union’s External Migration Policy towards the world’s poorest continent. This inequality in terms of Franco-African relations is explained from the perspective of other theories including the Dependency theory and Capital System that highlight inequality between the Global South and the Western world. As a result, it is highly important to examine the volumes of illegal migrant flows to the European territories crossing the Mediterranean Sea from the Sahel and Sub-Saharan Francophone countries to understand how the EU’s External Migration Policy is impacted by the foreign policy adopted by one of the most powerful players in the international system and EU’s member states towards Africa.
Road to Democratic Confederalism – from idea of Socialist Kurdish State to Autonomous Administration
Authors: Guler Mehmet Sait
Published: November 2023

The article analyzes the theory of Democratic Confederalism that had been established in Northern Syria in the beginning of 2014. Three cantons had been declared in Northern Syria, a region also called as Rojava by Kurds and the system for governance of the cantons was Democratic Confederalism. Democratic Confederalism is a governance system which had been theorized by Abdullah Ocalan. Democratic Confederalism is a governance system that rejects the nation-state and its ideology and proposes a new system that does not rely on any kind of state. The article started with the evolvement of A. Ocalan`s ideology from socialism, in the early 1970s, to Democratic Confederalism in the beginning of 2000s. The article also explained Democratic Confederalism and introduced the main principles of the system. After explaining the system of Democratic Confederalism, the article focuses on governance of Cantons that had been declared in Northern Syria. The last part of the paper finds out whether Democratic Confederalism is functional or not based on experience in Northern Syria.
“Connect it down to the person”: Perspectives on Technology Adoption from Older Angelenos
Authors: Marnfeldt Kelly , Lomeli Sindy , Navarro Sheila Salinas , Estenson Lilly , Wilber Kate
Published: November 2023

Older adults can face multiple barriers to digital device adoption. To better understand these barriers and other influential factors of digital device use, we conducted focus groups and interviews with adults ages 60+ in collaboration with a non‐profit senior services organization in our large metropolitan area. The average age of participants (n=41) was 74.7 years (SD= 7.4 years). The sample included both Spanish‐speaking (n=21) and English‐speaking (n=20) participants. We used an immersion‐crystallization framework for analysis, engaging in extensive iterative cycles to add, remove and amend codes to identify four major themes: 1) facilitators and 2) barriers of technology usage and digital device uptake, 3) negative aspects of use, and 4) preferred learning methods for digital device training. We found that participants primarily used digital devices to connect with family and friends and cited this ability to connect as a key driver of both initial and continued use. Family members, prior work experience, and community resources were the main facilitators while lack of know‐how was a major barrier. Participants cited substantial concerns about online scams and fraud with frequent device use. Participants preferred hands‐on methods for digital device training and stressed the importance of patient instructors and repetition. To align with our findings, policies that support older adults in overcoming barriers to digital access should comprehensively address secondary barriers to digital adoption by providing ongoing individualized training and social support.
Genetic association between vitamin D receptor gene and Saudi patients confirmed with Familial Hypercholesterolemia
Authors: Al-Nbaheen May Salem
Published: November 2023

Introduction: Familial Hypercholesterolemia (FH) is a common condition caused by inherited genetic abnormalities. Inadequate clearance of the circulating low-density lipoproteins (LDL) is the primary cause of the excessive concentrations of LDL seen in FH patients. The relation with vitamin D deficiency and vitamin D receptor (VDR) gene is well documented in the Saudi Arabia. Aim: The aim of this study was to investigate the role of molecular analysis studied between FH patients and fours polymorphisms associated with VDR gene in Saudi Population. Methods: In this case-control study, 120 patients were selected, and 50 patients were confirmed as FH and 70 subjects were confirmed as healthy controls. Genotyping was performed with polymerase chain reaction followed by restriction fragment length polymorphism analysis using ApaI, BsmI, TaqI and FokI polymorphisms in the VDR gene. Results: The current study results confirmed no association between clinical characteristics studied between FH cases and controls (p>0.05). Hardy Weinberg Equilibrium analysis was present in ApaI and FokI polymorphisms (p<0.05). Only ApaI (C vs A: OR-15.1 (95% CI:5.78-39.41); p<0.001; AC+CC vs AA: OR-6.59 (95% CI:2.42-17.95); p=0.0006) and BsmI (G vs A: OR-2.88 (95% CI:1.54-5.38); p=0.0006 and AG+GG vs AA: OR-3.79 (95% CI:1.72-8.35); p=0.0007) polymorphisms showed both allele and genotype association between FH patients and controls. ANOVA analysis confirmed that TG levels were associated (p=0.02) with combination of heterozygous and homozygous genotypes present in all four polymorphisms studied in this population. Conclusion: ApaI and BsmI polymorphisms in the VDR gene showed association with FH patients in the Saudi Population.
Business Intelligence Applied in the Corporate Sector: A Systematic Review
Authors: Necochea-Chamorro Jorge Isaac , Larrea-Goycochea Luigui
Published: November 2023

Companies rely on technological tools like Business Intelligence (BI) to make efficient decisions and gain a competitive edge in the market. This study investigates the implementation of BI in various company areas, methodologies used, benefits obtained, tools applied, and elements of BI in the business sector. Following the Kitchenham and Charters methodology, a bibliographic search in 5 databases yielded 16 relevant articles. According to the main results of the work: logistics was one of the areas where BI was most implemented, followed by sales and finance; the most used methodology was Ralph Kimball; also, the most cited benefits were decision-making, cost optimization, and knowledge generation; the most used BI tool was Power BI, followed by QlikView; and the BI elements most applied in the business area were ETL and OLAP, closely followed by dashboards.
Investigation of the Concentric Heat Pump with Improved Energy Performance
Authors: Saule Demessova , Rashit Omarov , Stoyanov Ivaylo , Dauren Omar , Yerkin Yerzhigitov , Slushash Abdygaliyeva
Published: November 2023

This paper investigates the energy characteristics of the concentric heat pump. The heat exchanger of the evaporator of the "pipe in pipe" type, through the inner copper tube of which the refrigerant circulates, and inside the outer pipe - the coolant, is placed in a spiral around the compressor, cooling it and at the same time absorbing the heat released by it. The new design improves technical and economic performance. Experimental results were carried out, which confirm the possibility of maintaining the compressor temperature (80-90°C), increasing the heat output and conversion coefficient (COP) by an average of 10-15%. The proposed technical solution makes it possible to improve the energy efficiency of the concentric heat pump due to the absorption of the excess heat from the evaporator in the general heat flow and to reduce the emissions of CO2.
Innovative Technologies for Healthcare and Medical Education in Higher Universities in Bulgaria
Authors: Georgieva-Tsaneva Galya , Serbezova Ivanichka
Published: November 2023

The article presents the possibility of significantly increasing the quality of the learning process by using innovative tools in the students' curriculum. Modern technologies have the potential to help create quality lasting knowledge in learners. An entrance test was made to establish the knowledge the students had before the training. The group of student volunteers was then randomly divided into two groups: a control group that was trained using traditional methods (giving a lecture) and an experimental group that was trained using the innovative training methodology created. A study of the acquired knowledge of the two studied groups was carried out according to a previously prepared test and knowledge assessment methodology. The degree of assimilation of new knowledge was assessed by absorption rate and a comparison was made between the studied groups of students. The study shows a significantly better acquisition of the learning material by the students whose education included innovative means of the studied subject. The obtained results show that modern innovative interactive technologies can be used in the educational process of health care students, as a supplement and continuation of classical pedagogical methods.
Pneumonia and tuberculosis detection with chest x-ray images and medical records using deep learning techniques
Authors: Mohapatra Sudhir Kumar , Abebe Mesfin , Mekuanint Lidia , Prasad Srinivas , Bala Prasanta Kumar , Dhala Sunil Kumar
Published: November 2023

Pneumonia and tuberculosis are the major public health problems worldwide. These diseases affect the lungs, and if they are not diagnosed properly in time, they can become a fatal health problem. Chest x-ray images are widely used to detect and diagnose Pneumonia and Tuberculosis disease. Detection of Pneumonia and Tuberculosis from chest x-ray images is difficult and requires experience due to the similar pathological features of the diseases. Sometimes a misdiagnosis of the disease occurs due to this similarity. Several researchers used deep learning and machine learning techniques to solve this misdiagnosis problem. However, these studies used the chest x-ray images only to develop Pneumonia and Tuberculosis disease detection models. But using the chest x-ray images alone cannot necessarily lead to accurate disease detection and classification. In the traditional or manual approach, medical records are required to support and correctly interpret the chest x-ray images in the appropriate clinical context. This study develops a multi-input Pneumonia and Tuberculosis detection model using chest x-ray images and medical records to follow the clinical procedure. The study applied a Convolutional Neural Network for the chest x-ray image data and a Multilayer perceptron for the medical record data to develop the models. We implemented feature-level concatenation to join the output feature vectors from the Convolutional Neural Network and a Multilayer perceptron for the development of the disease detection model. For the purpose of comparison, we also developed image-only and medical record-only models. Consequently, the image-only model gives an accuracy of 92.68%, the medical record-only model results in 98.72% accuracy, and the combined model accuracy is improved to 99.61%. In general, the study shows that the fusion of the chest x-ray and the medical records leads to better accuracy and is more similar to the clinical approach.
La práctica de la divulgación del capital intelectual on-line y sus determinantes en universidades colombianas
Authors: Católico Segura Diego Fernando
Published: November 2023

El desarrollo sostenible y los avances de la industria 4.0 y 5.0 han ratificado la relevancia de la gestión del Capital Intelectual (CI) en las universidades para demostrar su desempeño y crea­ción de valor en la sociedad. El estudio analiza la Divulgación en Línea del Capital Intelectual (DCI) y sus determinantes en universidades colombianas. Para ello se diseñó un índice de DCI y se realizó un análisis de contenido en los sitios web. Por medio de un modelo de regresión lineal múltiple se determinaron los factores que explican la DCI. Se evidencia que el grado de DCI es bajo y su mayor énfasis está en su capital de procesos de la tercera misión y en su capital relacional. Además, se muestra que el origen institucional, la capacidad de investigación y el estatus explican los niveles de DCI. Se concluye que las universidades públicas, con una plantilla de docentes con formación doctoral y con acreditación de alta calidad, logran una mayor DCI.
The Improvement of Reading Comprehension of English Texts by Slovak Learners Via Intervention Program
Authors: Stranovská Eva , Sokol Augustín , Haringa Ivan
Published: November 2023

Our paper is concerned with improving reading comprehension by intervention or intervention program for reading comprehension for English language. This program facilitates the individual into thinking and learning, as well as their progress at the level of cognitive and metacognitive processes, emotional and social factors. Cognitive and metacognitive processes stimulate comprehension of written texts. Emotional and social factors support self-efficiency in the process of developing comprehension. With this, we have the opportunity to improve reading comprehension in a greater manner. The research goal of our paper is to find out the effect of intervention for improving reading comprehension skills of Slovak high school students, specifically in regards to reading English texts, as well as to find out the strength of improvement in reading comprehension and the duration of this improvement. Our selected research sample consists of Slovak ESL students with the proficiency level of B1 according to CEFR. Chosen research methods were a didactic test (test of reading comprehension for English language) and experiment (the intervention itself). Findings in particular research groups support the intervention’s efficiency.
Development of Grammar Competence via Work with the Literary Text in Teaching FFL
Authors: Adlerová Linda , Píšová Paula , Szabó Erzsébet
Published: November 2023

In this paper we deal with the issue of teaching foreign language grammar using literature in secondary schools. The aim of this paper is to propose and provide teachers of French as a foreign language with effective and practical didactic recommendations for teaching the past tenses in French through authentic literary text. Working with a literary text has the potential to contribute to the learner's self-development, to the development of his/her reading and language skills, to the development of critical thinking and other important aspects of his/her personality. The literary text chosen is the Quebec short story "Le petit bonhomme de graisse", which meets the criteria for selecting a text for didactic purposes in terms of content and scope. From a linguodidactic point of view, it corresponds to the language level B1 according to the CEFR, at which the learners are confronted with the chosen grammatical phenomenon and the problem of its application in communicative practice. When developing proposals for didactic procedure for working with the selected text, we come out from Rafajlovičová's research of the assessment of grammatical competence from the year 2016, which shows that the application ability of foreign language learners is significantly lower in comparison with the mechanical formation of grammatical forms. The partial aim of this paper is to contribute to the development of grammatical competence and its application to learners' communicational practice. In proposing activities related to authentic literary text, we take into account Slovak learners in Slovak schools, but nevertheless these proposals are applicable in the educational system of other countries, where French is taught as a foreign language. The topic of past tenses in French is one of the most difficult phenomenon to learn and use in communication, as the Slovak language operates with a different grammatical system. The proposed activities serve for effective teaching and acquisition of past tenses in French, not only their formation, but also their application to common communicative situations.
Method for calculating the individual hydrocarbon composition from the accumulated fractional composition of oil and condensate samples
Authors:   Azerbaijan State Oil and Industry University, Karimova Arifa Q.
Published: November 2023

The composition of oils is the main source of information that enables the evaluation and modeling of their physical, thermal and chemical properties (including their critical properties) across a wide range of state parameters. The more comprehensively the composition of oils is analyzed, the more precise information is provided for calculations and problem-solving in the field of oilfield mechanics and related areas, such as the extraction, preparation, transportation, and processing of oils and their fractions. The principal constituents of oils are hydrocarbons. Oils contain hydrocarbons of three homologous series: paraffins, naphthenes and aromas. In oils, there may be hydrocarbons of a mixed composition containing both naphthenic and aromatic rings. In addition to hydrocarbons, oils also contain oxygen, sulfur, nitrogen and other constituents. These compounds are the primary elements of asphaltene-resinous substances (ARS) found in oil. They are characterized by high relative densities (often exceeding 1 g/cm3), dark coloration, and relative chemical instability when exposed to elevated temperatures, oxygen, adsorbents, etc. The composition of asphaltene-resinous substances encompasses a wide range of substances. The validity of the proposed technique is justified by the observation that the data of molecular weight, Watson characteristic factor, and experimental density calculated from molar compositions should align on the same surface with a high degree of correlation. In addition, the experimental and calculated values, in terms of molecular composition, of molecular weights should lie on a straight line passing through the origin of coordinates with a slope coefficient equal to unity and exhibit high degree of correlation.
Wykorzystanie funduszy unijnych w małych miastach w Polsce w latach 2007–2013 – ujęcie przestrzenne
Authors: Bartosiewicz Bartosz , Kamiński Tomasz
Published: November 2023

W artykule zostało zaprezentowane zróżnicowanie wykorzystania funduszy unijnych w małych miastach w Polsce w latach 2007–2013. Autorzy koncentrują się na wskazaniu regionalnego zróżnicowania ich struktury wielkościowej i rodzajowej oraz opracowaniu rankingu małych miast pod względem wykorzystania funduszy unijnych. Artykuł wieńczy próba identyfikacji czynników decydujących o wielkości pozyskiwanych przez te ośrodki funduszyWszystkie badane jednostki samorządu terytorialnego pozyskały fundusze unijne. Jednakże da się wyraźnie wyodrębnić grupę liderów i outsiderów, czyli miasta, które wyraźnie odstają jeśli chodzi o wielkość pozyskanych dotacji unijnych. W przypadku miast najlepiej radzących sobie z pozyskiwaniem środków unijnych można wskazać dla nich pewne cechy wspólne: przeciętna większa gęstość zaludnienia, wyższy poziom przedsiębiorczości czy wyższy poziom dochodów własnych. W przypadku miast-outsiderów niestety znacznie trudniej zidentyfikować cechy wspólne. Prowadzi to do wniosku, że istotny wpływ na zróżni-cowanie wykorzystania funduszy unijnych w małych miastach mają takie czynniki jak np. operatywność oraz przedsiębiorczość władz lokalnych
Zmiany w strukturze tkanki miejskiej małych miast ‒ studia wybranych przypadków w obszarze metropolitalnym Krakowa
Authors: Bajwoluk Tomasz
Published: November 2023

Celem artykułu jest przedstawienie zmian zachodzących w przestrzeni tkanki miejskiej wybranych małych miast, a także ich wpływu na wzrost atrakcyjności przestrzeni miejskiej. Interesujące staje się zachowanie lub poszukiwanie nowych, zróżnicowanych kierunków rozwoju w oparciu o istniejące lub nowo kreowane funkcje mające wpływ na przestrzeń i formę miasta. W ostatnich latach w małych miastach nastąpiły znaczące zmiany w strukturze tkanki miejskiej. Jest to związane z rozwojem i przemianami struktury funkcjonalno-przestrzennej, a także z możliwością pozyskiwania funduszy unijnych na nowe inwestycje. Pozwoliło to w wielu przypadkach na uzupełnienie braków w infrastrukturze technicznej i stopniowe podnoszenie jakości przestrzeni miejskiej oparte o realizację nowych obiektów i odnowę najbardziej atrakcyjnych przestrzeni miejskich. W konsekwencji wprowadzanych zmian ośrodki miejskie dostały szansę na wzrost konkurencyjności w oparciu o indywidualne cechy i lokalne uwarunkowania. Stanęły także przed problemami związanymi ze zmianami dotychczasowego charakteru, wielkości i funkcji, co przyczynia się do tworzenia nowego wizerunku miasta, jego przestrzeni i wzrostu zainteresowania nowych inwestorów.
Transporte en la logística verde: análisis bibliométrico
Authors: Palermo García Bersi , Salazar-Velázquez Ricardo
Published: November 2023

El objetivo de este artículo es ofrecer una visión macroscópica del transporte en la logística verde mediante un análisis bibliométrico. Para dicho fin, la información se recopiló en Scopus con una muestra de 604 documentos de 2000 a 2022. Los datos se descargaron el 26 de marzo de 2023 y se utilizó Microsoft Excel® y VOSviewer®, para analizar la información. La palabra clave central fue "green logistics" con los filtros "transportation", "freight transportation", "freight transport", "transportation planning", "transportation system", "urban transportation" y "road transport". Entre los resultados más destacados, se observó que la temática planteada es reciente: los documentos se publicaron no hace más de 25 años. Además, solo 16 de los 72 países con publicaciones acaparan el 89.9 % del total, entre los cuales se destaca China. En cuanto a las áreas temáticas, se observó que las que más se abordan son Ingeniería, Ciencia de la Computación y Negocios Empresariales. Con respecto a las conclusiones, se puede señalar que se aplican los avances tecnológicos en computación y energía limpia a medida que surgen. También se concluye que los países con altos volúmenes de comercio internacional son los más interesados en hacer la logística de transporte más sostenible.
Códigos JEL: Q50
Recibido: 25/05/2023. Aceptado: 17/08/2023. Publicado: 10/10/2023.
Transformaciones socioespaciales provocadas por el turismo en Villa de Leyva, Colombia
Authors: Álvarez Meneses Tannia
Published: November 2023

El municipio de Villa de Leyva es conocido en el mundo del turismo por su centro histórico, el cual da cuenta de su pasado colonial: plaza central, iglesias, conventos y otras edificaciones emblemáticas bien conservadas, que conforman este lugar. Desde su declaratoria como monumento nacional en 1954, muchas de estas construcciones han sido transformadas en museos, boutiques, restaurantes y hoteles, para atender una demanda turística cada vez más importante y consolidar un turismo cultural. Paralelamente a este proceso, se ha desarrollado el fenómeno de segundas residencias; en un primer momento, en el área periurbana del municipio, para luego hacerlo en su área rural, tomando forma de un fenómeno urbano regional. El objetivo de este libro resultado de investigación, es presentar las particularidades del proceso y las principales repercusiones económicas, sociales y ambientales del fenómeno turístico, que, entre otras cosas, tienen que ver con el aumento del precio de la tierra, la pérdida de actividades agropecuarias, la migración y la transformación del paisaje. En este contexto, se realizó un análisis multitemporal, en cuanto a la tenencia y uso de suelo; posteriormente se revisó el proceso de fragmentación y de distribución en el espacio de las segundas residencias, las cuales toman forma de condominios y casas campestres; finalmente, se hizo un estudió a los nuevos residentes.
Intención emprendedora de los estudiantes universitarios en Tunja:
Authors: BLANCO-MESA FABIO , MARIÑO-BECERRA GLADYS , LEÓN-CASTRO ERNESTO
Published: November 2023

El presente trabajo analiza los factores que influyen en la intención emprendedora en los estudiantes de la Universidad Pedagógica y Tecnológica de Colombia (UPTC) y a los datos obtenidos en el informe GUESSS 2018 para Colombia. Se hace un análisis descriptivo para explorar los datos contenidos a fin de identificar sus principales características. La población objeto de estudio son los estudiantes universitarios de la UPTC (918) en comparación con la participación global de Colombia (15581). Dentro de los principales hallazgos, se encuentran la falta de visión empresarial al graduarse por parte de los estudiantes, baja motivación de los padres hacia el mundo empresarial o sucesión de sus empresas y que la autoestima e intención emprendedora no están relacionados entre sí. Finalmente, se presentan conclusiones y recomendaciones relacionados con los resultados y discusiones.
Materials Design
Authors: Aguirre Morales Jahir , Ramos-Holguín Bertha , Vásquez-Guarnizo Jhonatan
Published: November 2023

This book, which is intended for pre-service, novice, and in-service teachers and educators, looks at the key aspects that teachers, as material designers, should bear in mind when creating teaching/learning materials for EFL, thinking about the needs and the particularities of the population. This textbook is divided into twelve elements. The first four elements focus on the initial theoretical aspects that a teacher, as a text designer, should consider when creating materials. Element five introduces a clear description and differentiation between a teaching and learning objective. The next element, Element six, suggests that although all the English skills can be developed in a single workshop or guide, the material should have a protagonist skill. Element seven is based on the notion that teaching and learning materials, such as workshops and guides, can follow a series of steps that include a warming up activity, a presentation of the topic, a practice, and a production stage. Element eight describes the importance of instructions in materials design. The last Elements, nine, ten, and eleven, relate to instructional aspects when designing materials. All of these aspects help material developers have a more inviting and well-designed material. Finally, element twelve helps material developers self-evaluate the material they have designed through reflection.
Determination of Nitrosamines in Various Pharmaceuticals at Variable Temperatures
Authors: CANBOLAT Fadime , AYDIN Ahmet
Published: November 2023

Nitrosamines have been classified as potent genotoxic agents for humans by the International Agency for Research on Cancer. Our study aimed to determine the levels of nitrosamine impurities that could be formed in the content of drugs under different temperature conditions during their shelf life using chromatographic analysis. Eleven drugs in pharmacies were subjected to long-term exposure at two different temperatures. Twelve nitrosamine impurities of all samples were performed using LC-MS/MS. When the impurity levels of the analyzed drugs were examined, no nitrosamine impurity was detected in any drugs. Our study revealed that if no impurity was detected under storage conditions, there was no impurity formation even when the temperature was increased. When impurity formation is effectively prevented during the manufacturing stage, the risk of impurity occurrence during the shelf-life of drugs belonging to the same group is estimated to be low.
Synthesis Zeolite Y From Lapindo Mud With Variations Filling Autoclave And Ratio Molar Si/Al
Authors: Andarini Novita , Maziyyah Deys Sya’fatul , Haryati Tanti , Sulistiyo Yudi Aris , Suwardiyanto S.
Published: November 2023

Lapindo mud contains Silicate (SiO2), and Aluminum oxide (Al2O3) that can be utilized to synthesize zeolite Y. Zeolite Y was synthesized from Lapindo mud via the smelting and hydrothermal method, respectively. The thermal activation of Lapindo mud was achieved by leaching smelting at 550oC for 2 hours with NaOH to achieve thed desire adding SiO2, NaOH and aging for 48 hours. The effects of various parameters on the synthesis were investigated. The samples were characterized with X-ray Fluorescence (XRF), X-Ray Diffraction (XRD), Fourier Transformation Infrared Spectroscopy (FTIR) and Gas Sorption Analyzer (GSA). Zeolite Y with high crystallinity was synthesized under optimized conditions, such as filling autoclave 90% and a SiO2/ Al2O3 molar ratio of 15.
Caring for Families in Vulnerable Situations: Welcoming Families and Survivors of the Tragedy of Santa Maria
Authors: Riegel Fernando , Ribas Lucas Daniel , Ribeiro dos Santos Machado Jaqueline , Soares Ingrid Amaral , Ana Rubin Unicovsky Margarita
Published: November 2023

Objective: to describe the experiences of students and teachers in welcoming families and survivors of the tragedy of Santa Maria. Method: experience report based on the Nursing As Caring Theory of Boykin and Schoenhofer. Results: Nursing students offered active and solidary listening, verification of vital signs, guidance in relation to the continuous use of medications, and singing and playing guitar with family members were carried out to reduce the suffering of family members. Conclusions: the importance of solidary actions in complementing clinical education was highlighted, emphasizing the development of critical and holistic thinking, humanized and solidary care.
Academic–Practice Partnership: Benefits of Collaboration Between Service and Academia
Authors: Dunbar Ghada B. , Breckenridge Diane , Ferrer Nicole M. , Kawar Lina Najib
Published: November 2023

Academic–practice partnerships are fundamental to advance nursing excellence and human caring, and improve safety and quality outcomes. Collaborative strategies were formed between two organizations in Southern California. In alignment with both organization’s mission of diversity, equity, and inclusion, this joint effort benefits the community at large including elevating clinical experiences, leadership opportunities, shared programming, and professional development. This mutual partnership interprofessional investment led to the formation of several faculty/service nursing development consortiums resulting in increased commitment to attain higher academic achievements, pursue scholarly work, and improve the human condition.
Erken Çocukluk Döneminde Doğa Farkındalığı
Authors: HAYIR KANAT Meryem , YEŞİL DAĞLI Ümmühan , DALFİDAN Seyha
Published: November 2023

Erken çocukluk (0-72 ay) döneminde çocuğun gelişimi hızlıdır ve bu dönemde çocuğun ileriki yaşamı için gerekli olan pek çok becerinin ve kazanımlarının temeli atılır. Bu dönem, çocukların doğa sevgisi ve doğa bilincinin kazandırılması açısından da önemli bir dönemdir. Erken yaşlarda doğa ile etkileşim; çocuğun sağlıklı gelişiminin yanı sıra doğaya karşı farkındalık, bağlılık ve ekolojik sorumluluğun gelişmesi açısından olumlu sonuçlara yol açmaktadır. Bu çalışmanın amacı, okul öncesi çocuklarının doğayı nasıl algıladıklarını belirlemektir. Araştırmanın örneklemini okulöncesi eğitim kurumlarına devam eden 23 çocuk oluşturmaktadır. Araştırmada veri setini çocuklar tarafından çizilen doğa resimleri ve öğretmen tarafından çocuklara uygulanan yarı yapılandırılmış görüşme formları oluşturmaktadır. Veri analizinin ilk aşamasında, görüşme verileri ve çocukların çizdikleri resimler, nicel veri analiz yöntemlerinden içerik analizi kullanılarak çözümlenmiştir. İkinci aşamada çocukların açık uçlu sorulara verdikleri cevaplar ve çizdikleri resimlerden kodlar oluşturulmuş ve kodlar anlamlarına göre gruplandırılarak temalar oluşturulmuştur. Araştırmadan elde edilen bulgulara göre çocuklar için doğa, hayvanların ve bitkilerin bulunduğu, insan yaşamının dışında, uzakta bir ortamdır. Doğadaki temel ilişkiler hakkında daha çok nesne odaklı bir doğa anlayışına sahiptirler. Bu bağlamda sınıf ve okul dışı doğa etkinliklerinin okul öncesi öğretim programının içeriğine dâhil edilmesi ve doğanın çocuk için bu deneyimler yoluyla bir öğrenme ve yaşam alanı haline dönüştürülmesi önerilmektedir.
La mayéutica y los nuevos retos de ser docente frente a estudiantes globales
Authors: Mendoza Escárcega Daniel , Islas Salinas Patricia
Published: November 2023

La mayéutica como herramienta para el proceso enseñanza aprendizaje es de gran utilidad en el aula. Implica que el docente se libere de su individualidad para convertirse en un guía empático que muchas veces transitará entre el rol de maestro y el de aprendiz. El objetivo es que el docente utilice el diálogo, la ironía e incluso el sarcasmo a través de un método dialéctico, para provocar en los estudiantes incertidumbre que los motive a desarrollar un pensamiento crítico, conduciéndolos a la indagación a través de preguntas que generan respuestas y a la vez, se conviertan en nuevas preguntas forjando un deseo por la investigación continua. Sin olvidar que el estudiante será influenciado por sus propias representaciones simbólicas y bagaje cultural para llegar a la obtención de nuevos conocimientos cimentados en el autodidactismo para así, aumentar su potencial en el desarrollo de su vida. Se reflexiona en herramientas de trabajo comunitario, como el foro y la necesidad de formación continua del docente para enfrentar los retos de la globalización.
ASSESSING THE KNOWLEDGE OF SMALLPOX AND MONKEYPOX VIRUS AMONG THE UNIVERSITY OF TLEMCEN MEMBERS IN THE WAKE OF COVID-19: A 2023 CROSS-SECTIONAL STUDY.
Authors: ZATLA Ilyes , ABID Wafa , BOUBLENZA Lamia
Published: November 2023

Background: A recently-surfaced virus called Monkeypox virus (MPXV) has gained widespread attention as it dominates the news, creating a sense of panic among people due to the potential threat it poses to their health. Materials and Methods: To evaluate knowledge about this virus and its disease, and to raise consciousness among the members of the Faculty of Natural and Life Sciences and Earth and Universe Sciences at the University of Tlemcen, we launched an online web-based survey for a twenty days’ period that contained sociodemographic and perceptiveness questions about the emergent virus, its disease, and vaccination. Results: Our findings showed that the majority of the respondents of our study have a satisfactory level of knowledge about this emerging virus and its disease. Moreover, most participants showed a positive attitude towards the vaccine, considering it the best preventive means to fight against Monkeypox disease. Conclusion: Although the MPXV may not become a pandemic, but knowing the various ways that contribute to its spread is essential to avoid any possibility of a new one, especially in Algeria.