bluuebunny/crossref_metadata_2025 huggingface dataset:
A Comparative study between Alvarado Score and Adult Appendicitis Score in Patients with right Lower Quadrant Pain for Diagnosing Acute Appendicitis
Authors: Deb Subhrajit , Yagnik Vipul D , Garg Pankaj , Bhattacharya Kaushik , Dawka Sushil
Published: November 2022

Objectives:

Acute appendicitis is a typical surgical emergency. This study compared the two scoring systems most commonly utilized to diagnose acute appendicitis.

Material and Methods:

This was a prospective comparative study comprising 120 patients presenting with right lower abdominal pain in our hospital’s emergency or outpatient department. Patients with Adult Appendicitis Score (AAS) ≥16 or Alvarado Score (AS) ≥9 were considered for surgical intervention. Histopathological confirmation of appendicitis was taken as the confirmatory endpoint.

Results:

On analysis, 71 (88.75%) and 68 (88.31%) patients had positive surgical findings as per AAS and AS, respectively. Similarly, 70 (87.50%) were correctly detected as acute appendicitis by AAS, whereas 67 (87.01%) patients were rightly seen as acute appendicitis by AS. The results were compared with histopathological findings. The area under the ROC curve for AAS was 0.930 compared to 0.921 for AS, indicating that AAS was a slightly better predictor for appendicitis.

Conclusion:

The AAS was slightly more accurate than the AS in the diagnosis of acute appendicitis.
Lumbar epidural blood patch: An effective treatment for intracranial hypotension
Authors: Leung Lok Wa Laura , Chan Yuen Chung David , Chan Tat Ming Danny
Published: November 2022

Background:

The literature has demonstrated the efficacy of lumbar epidural blood patch (LEBP) in the management of spontaneous intracranial hypotension (SIH). However, the underlying pathophysiology of such management remains unclear. In this study, we aim to evaluate the utility of LEBP injections in the management of SIH and develop a potential management algorithm used in the triage and management of SIH patients.

Methods:

We retrospectively examined the clinical case notes of 14 patients with SIH (age: 25–69 years) who were managed with LEBP injections during the year of 2016–2021. We evaluated the presenting symptoms of each selected patient and radiological findings as well as treatment outcomes. Our aim is to evaluate the effectiveness of LEBP in the treatment of SIH patients through follow-up clinical and imaging assessment.

Results:

About 93% of patients describe the presence of headache at presentation, while 43% describe it as being of an orthostatic nature. All patients demonstrated typical findings on magnetic resonance imaging brain. Treatment success assessed through symptomatic improvement and radiological resolution was found in 85% of our patients at a 2-month interval.

Conclusion:

LEBP injection is an effective method of management in patients with a diagnosis of SIH. It should be considered in all SIH patients irrespective of whether a “dural leak” can be localized through radiological investigations.
Transient internuclear ophthalmoplegia following anterior cervical discectomy and fusion
Authors: Cordeiro Kevin N. , Greeneway Garret P. , Page Paul S. , Brooks Nathaniel P.
Published: November 2022

Background:

Internuclear ophthalmoplegia (INO), characterized by impaired horizontal eye movement, occurred following an anterior cervical discectomy/fusions (ACDF).

Case Description:

A 48-year-old female with recurrent C5-6 foraminal stenosis presented with right C6 radiculopathy. She underwent a C5-6 ACDF, but postoperatively, complained of diplopia. Her examination revealed left-eye INO. Notably, the brain magnetic resonance imaging showed no significant radiological findings. The patient’s diplopia and INO resolved spontaneously on postoperative day 2 and never recurred.

Conclusion:

Ocular complications following anterior cervical spine procedures are rare. Here, a 48-year-old female developed left eye INO following an ACDF that spontaneously resolved on postoperative day 2.
Electrochemical Transformation of Limestone into Portlandite and Valuable Carbonaceous Products
Authors: Xie Qixian , Wan Lili , Zhang Zhuang , Luo Jingshan
Published: November 2022

The cement industry is one of the largest contributors to global CO2 emissions, and it is extremely challenging to decarbonize the cement industry, as most CO2 emissions results from the calcination of limestone (CaCO3) into CaO and CO2. In this work, we demonstrate a novel electrochemical process that transforms CaCO3 into portlandite (Ca(OH)2, a key Portland cement precursor) and valuable carbonaceous products, which integrates electrochemical water splitting and CO2 reduction reaction with the chemical decomposition of CaCO3. With different metal catalyst electrodes, we have achieved Ca(OH)2 and various valuable carbonaceous products, such as CO, formate, methane, and ethylene. Our work revolutionizes cement production and provides a green and sustainable path toward carbon neutrality for the cement industry.
Charge Concentration Limits The Hydrogen Evolution Rate in Organic Nanoparticle Photocatalysts
Authors: O'Connor Max , Aubry Taylor J. , Reid Obadiah G. , Rumbles Garry
Published: November 2022

Colloidal organic nanoparticles have proven to be a promising class of photocatalyst for performing the Hydrogen Evolution Reaction (HER) due to their dispersibility in aqueous environments, their strong absorption within the visible region, and the tunabilty of their component materials’ redox potentials. Currently, there is little understanding of how charge generation and accumulation in organic semiconductors change when these materials are formed into nanoparticles that share a high interfacial area with water, nor is it known what mechanism limits the hydrogen evolution efficiency in recent reports on organic nanoparticle photocatalysts. Herein, we use Time-Resolved Microwave Conductivity to study aqueous-soluble organic nanoparticles and bulk thin films composed of various blend ratios of the non-fullerene acceptor EH-IDTBR and conjugated polymer PTB7-Th and examine the relationship between composition, interfacial surface area, charge carrier dynamics, and photocatalytic activity. We quantitatively measure the rate of Hydrogen Evolution Reaction by nanoparticles composed of various donor:acceptor blend ratio compositions and find that the most active blend ratio displays a Hydrogen Quantum Yield of 0.83 % per photon. Moreover, we find that nanoparticle photocatalytic activity corresponds directly to charge generation, and that nanoparticles have 3 times more long-lived accumulated charges relative to bulk samples of the same material composition. These results suggest that, under our current reaction conditions, with approximately 3$\times$ solar flux, catalytic activity by these nanoparticles is limited by the concentration of electrons and holes in operando and not a finite number of active surface cites or the catalytic rate at the interface. This provides a clear design goal for the next generation of efficient photocatalytic nanoparticles.
Scalable, Wasteless, and Energy-Efficient Diastereoselective Electrocatalytic Hydrogenation of Cyclic Ketones Using Proton-Exchange Membrane Reactor
Authors: Shimizu Yugo , Fukazawa Atsushi , Suzuki Tomohiro , Kondo Junko N. , Shida Naoki , Atobe Mahito
Published: November 2022

We report the diastereoselective electrocatalytic hydrogenation of cyclic ketones using a proton-exchange membrane (PEM) reactor. Adsorbed monoatomic hydrogen species (Hads) generated from protons at the triple-phase boundary of the cathode were found to reduce the C=O bond of cyclic ketones with high diastereoselectivity; cis-selectivity as high as 94% was achieved under the optimal conditions using a Rh catalyst. Operando infrared (IR) spectroscopy enabled the direct observation of adsorbed ketones involved in the reaction. We also demonstrated the 5 g-scale electrolysis of 4-tert-butylcyclohexanone by combining the hydrogenation process with water oxidation as an anodic reaction. This reaction successfully produced cis-4-tert-butylcyclohexanol, which is 52 times more expensive than the starting material based on commercial prices, using only electric energy and water as reagents and, importantly, without H2 gas. This research demonstrates the potential of PEM reactors as reliable, robust, and green systems for the electrochemical production of fine chemicals.
Soft finishing: A safe and comfort furnikids design for preschool children
Authors: Sumarno Sumarno , Prasetyo Ersnathan Budi
Published: November 2022

Furniture is inseparable from almost all human activities. It is used by individuals of all ages, both adults and children. However, the childhood period is a vulnerable period and hence requires protection. This study mainly aims to design safe, comfortable, fun, and aesthetic furniture for preschool children. This applied research aims to deliver a design through design concept, idea, and drawing stages. The concept was developed based on textual and visual data sources. The data were analyzed using interactive analysis techniques, including data reduction, data display, and data verification. The design process was carried out through the idea stage, alternative sketching stage, sketch selection stage, work drawing, and 3D drawings. The designed furnikids products include soft-furnished racks, tables, and chairs specifically designed for children. A Soft-finishing technique was applied to coat the product using foam and cloth to deliver a soft surface. The product was designed using various animal motifs, aiming to serve as media for introducing colors and animal shapes to children, in addition to serving as play equipment.
Distance learning in early childhood education in Jayapura, Papua Province
Authors: Pratiwi Dyan , Hasbullah Faisal Riza
Published: November 2022

Distance learning (PJJ) is an alternative to learning during the Covid 19 pandemic. This article aims to find out PJJ in early childhood education in Jayapura, Papua Province. The research method used is descriptive qualitative by taking data from six early childhood education institutions in Jayapura, Papua. The results of this study indicate that the form of distance learning in early childhood education in Jayapura is by submitting children's worksheets every week, using the Zoom meeting application, using the Whatsapp application, and home visits. The results obtained from this study can be used as information about distance learning in PAUD in Jayapura and can be used as an evaluation of the implementation of PJJ for the government and PAUD institutions in order to manage the education system in Indonesia more effectively, efficiently, and optimally.
The effect of pop up book on 5 – 6 years old children’s listening skill
Authors: Khairunnisa Anna
Published: November 2022

Listening skill represents a child’s ability to listen, interpret, understand, and respond to information. The present study aims to find out the effect of pop-up book on listening skills of 5-6 years old kindergarten students in Serang District, Serang City, Banten. To this end, 30 kindergarten teachers in Serang District were recruited to participate in this quantitative survey study. This study found a significant effect of pop-up book on listening skills of children aged 5-6 years old. The significant effect of the pop-up book may be accounted for by its attractive visualization and color, drawing children's attention to understand the story more easily and motivating them to read autonomously. The correlation coefficient of 0.773 indicated a strong relationship between the two variables. In other words, pop-up book in this study positively affect children's listening skill. As the probability score shows s significance level of 0.000 (<0.05), the effect of pop-up book on children's listening skill was deemed significant.
The effect of Islamic family education on early childhood prophetic character
Authors: Makruf Syahdara Anisa , Puspitasari Intan
Published: November 2022

Islamic education in the family is an effort to form a professional personality. Nasyiatul Aisyiyah (Nasyiah) family was chosen to be the research subject because it has a mission to strengthen family resilience. For Nasyiah, family resilience is the main foundation to form the prophetic character of Early Childhood. The purpose of the study is to analyze the effect of the implementation of Islamic education in the family on the prophetic character of early childhood. This research method uses quantitative research. The data collection process used a google form questionnaire addressed to Nasyiatul Aisyiyah cadres in the Special Region of Yogyakarta (DIY) with a total of 113 subjects. The data were analyzed using SPSS 26 and used simple linear regression. The results of this study indicate that the implementation of Islamic education has a positive effect on prophetic characters with a total effect of 42.1%. The novelty of the research lies in the prophetic character of children which has never been discussed before in the early childhood care process in the Nasyiatul Aisyiyah environment. This study provides literacy to the community that increasing the implementation of Islamic education in the family will affect the improvement of prophetic character in early childhood. Early childhood who already have a prophetic character will improve leadership in the future.
Effect of gadget on the development of children during pandemic covid-19 situation
Authors: Febriani Safarina , Pandin Moses Glorino Rumambo
Published: November 2022

Covid-19 has brought many changes in our lives. One of them is the widespread use of gadgets in early childhood. Because learning is held online where their teachers at school should give children or students material, now they understand the material via smartphones or gadgets. Of course, it makes them less understanding of what is being said. It feels bored because it is not interesting. Their learning time is filled with entertainment such as playing games, watching videos, accessing social media, even to the point of addiction and forgetting time. Therefore, this article will discuss the use of gadgets, the impact on children, and how to take further actions to balance children's understanding between learning and playing.
The needs of children : Multiperspective study
Authors: Kusuma Yanti , Naimah Naimah
Published: November 2022

Every human being has various needs in his life, as well as in children. Essential basic needs in children must be met so that children grow and develop optimally, but the discussion of various perspectives on children's basic needs still needs to be reviewed. Therefore, this article aims to analyze the theories of needs, the concept of basic human needs, and the needs of early childhood from scientific and Islamic studies. Literature study was used in this study. The research results obtained by students have the same needs as humans in general. Children will be happy when they are cared for, cared for, considered to exist, not discriminated against, rewarded for achievements that have been achieved, can increase self-confidence, and foster a sense of caring among others, as well as have broad insight and train children to be able to increase courage.
Acute effects of a typical rhythmic gymnastic training session on physiological parameters in Olympic athletes
Authors: de Jesus  Silva Raquel , Pinto Borges Lysandro , José Quintans-Júnior Lucindo , Ferezin Resende Camila , Adsuara Cadegiani Flávio , Henrique Gomes João , Rebello Mendes Renata
Published: November 2022

The aim of this study was to evaluate the effects of a day with two separate training sessions (morning and afternoon) of rhythmic gymnastics on erythrocytes, leukocytes, muscle damage, oxidative stress, and hydration of Brazilian team [age 17.7 (±1.1) years; body height 165 (±0.5) cm; body mass 49.7 (±4.2) kg]. Heart rate and session-ratings of perceived exertion were used to monitor training intensity. Blood samples were collected immediately before (M1) and after (M2) the training day for analyzing erythrocytes, leukocytes, plasma creatine kinase activity, lactate dehydrogenase, alanine aminotransferase, aspartate aminotransferase, ferric reducing ability plasma, thyroid-stimulating hormone, and free T4. Saliva was collected for cortisol analysis. After 24 hours rest (M3), blood collection was performed to analyze creatine kinase and lactate dehydrogenase. The moderate-intensity training day induced significant elevations of total leukocytes (5,163.3 to 9,617.8), lymphocytes (1,752.7 to 2,729.7), neutrophils (2,873.9 to 6,163.6), monocytes (255.7 to 519.1), platelets (280,000.0 to 300,666.7), aspartate aminotransferase (13.1 to 25.6), lactate dehydrogenase (102.5 to 249.1), thyroid-stimulating hormone (1.0 to 3.2), and ferric reducing ability plasma (136.8 to 165.4), as well as significant reductions in red cells (4,691,111.1 to 4,497,777.8), hematocrit (42.1 to 39.3), and hemoglobin (12.9 to 12.5) at M2. There were also significant increases in creatine kinase (144.2 to 519.3) and lactate dehydrogenase (102.5 to 538.2) at M3. The average dehydration rate was 1.3%. A moderate-intensity day of training in rhythmic gymnastics of 8h21min duration caused hemolysis, leukocytosis, muscle damage, redox status perturbations, and insufficient hydration status. These findings show that athletes are exposed to physiological vulnerabilities that can possibly harm their performance and health.
Effect of pH and temperature on antioxidant enzymes activities in Morinda
citrifolia L. (Mengkudu) leaves extract
Authors: Mohd Zin Z. , Azman S.N.S. , Yahya F. , M. Hasmadi , Zainol M.K.
Published: November 2022

Morinda citrifolia L. (Mengkudu) leaf is not well-known for its benefits compared to M.
citrifolia fruit. It can be considered a good source in healing disease and anti-cancer
properties due to the high content of antioxidant enzymes. The objective of this study was
to determine the antioxidative activities of M. citrifolia leaves extracted at different pH
(pH 3 to pH 9) and temperatures (20°C to 80°C), based on four types of antioxidant
enzymes test, namely catalase (CAT), peroxidase (POD), polyphenol oxidase (PPO) and
superoxide dismutase (SOD). Another analytical test is the protein determination of M.
citrifolia leaves using Bovine Serum Albumin as standard. All of the tests were conducted
using spectroscopy methods. Catalase (CAT) activity was monitored by reduction of
absorbance due to the decomposition of hydrogen peroxide and peroxidase (POD) activity
was observed by an increment of absorbance caused by the oxidation of 4-methylcatechol
by hydrogen peroxide. Polyphenol oxidase (PPO) was monitored by an increment of
absorbance due to the oxidation of 4-methylcatechol and superoxide dismutase (SOD)
activity was determined using the NBT-based method, which monitors the amount of
enzyme causing 50% inhibition of photochemical reduction of NBT. Results indicated that
CAT activity and POD activity were significantly highest (p<0.05) at pH6, 0.51 U/mg for
CAT, 2.58 U/mg for POD, while SOD activity was significantly higher at pH7, 0.47 U/
mg. However, no significant difference (p>0.05) was observed for PPO activity in pH
treatment. For different temperature treatments, CAT activity was significantly highest
(p<0.05) at 50°C, 0.36 U/mg, while PPO activity and SOD activity were found to be
significantly highest (p<0.05) at 30°C, 0.64 U/mg for PPO and 0.43 U/mg for SOD.
However, all-temperature treatments given did not significantly affect POD activity.
Morinda citrifolia leaves have a good antioxidant potential and can be practised in the
treatment of diseases associated with oxidative stress.
Reading between the lines : people, politics and the conduct of surveys in the southern North Island, New Zealand, 1840-1876
Authors:   , Patterson Brad
Published: November 2022

The delineation of land parcel is an essential first step in any area undergoing colonisation. Embodying the organisational ideals of the colonising society, the resulting complexes of divisional lines endure in the landscape as monuments to past decisions, continuing to function as frameworks for geographical activity long after the rationale for initial design has been forgotten. The procedure of initial inscription, however, is neither random nor simple. An argument is advanced that the procedure may be advantageously viewed as the product of an ongoing process of 'spatial goal redefinition', itself an example of adaptive learning in colonial situations. It is further argued that, in the course of redefinition, the cadastral layouts embraced economic strategy for the area being colonised, the political climate, or even the idiosyncrasies of supervising bureaucrats - as by purely technological considerations. This being the case, the intricate patterns of cadastral inscriptions discernible in any particular landscape may be considered a crude mirror of the settlement history of that landscape, and of the hopes and aspirations of those who settled it. To test the validity of these postulations, the survey and settlement experiences of one nineteenth century European colonisation site, the southern North Island districts of New Zealand are subjected to close scrutiny. 
Upcycling In Universities: A pilot sustainability education initiative based on a 3D printed upcycling approach
Authors:   , Wang Zeao
Published: November 2022

Plastics are an important part of the range of materials used in contemporary society, and almost all aspects of daily life involve plastics in some form. However, they are closely associated with various issues such as environmental pollution and health concerns. To tackle the worsening problems, in addition to implementing more effective waste management methods, the concept of sustainability should be ingrained in everyone's consciousness. This research explored the feasibility of establishing a learning experience for students by organising a small-scale design competition within the Te Herenga Waka / Victoria University of Wellington(THW/VUW) as a case study for creative sustainable practices. A specific focus of the research was on the recycling and upcycling of plastic waste generated, identified, and collected by students who have been exposed to 3D printing technologies.

A principle output of the research was to trial the effectiveness of this approach and provide informed guidelines for expanding this learning experience to other universities with 3D printing facilities.
COVID-19 vaccine effectiveness against SARS-CoV-2 infection during the Delta period, a nationwide study adjusting for chance of exposure, the Netherlands, July to December 2021
Authors: van Ewijk Catharina E , Kooijman Marjolein N , Fanoy Ewout , Raven Stijn FH , Middeldorp Marit , Shah Anita , de Gier Brechje , de Melker Hester E , Hahné Susan JM , Knol Mirjam J
Published: November 2022

Background

Differential SARS-CoV-2 exposure between vaccinated and unvaccinated individuals may confound vaccine effectiveness (VE) estimates.

Aim

We conducted a test-negative case–control study to determine VE against SARS-CoV-2 infection and the presence of confounding by SARS-CoV-2 exposure.

Methods

We included adults tested for SARS-CoV-2 at community facilities between 4 July and 8 December 2021 (circulation period of the Delta variant). The VE against SARS-CoV-2 infection after primary vaccination with an mRNA (Comirnaty or Spikevax) or vector-based vaccine (Vaxzevria or Janssen) was calculated using logistic regression adjusting for age, sex and calendar week (Model 1). We additionally adjusted for comorbidity and education level (Model 2) and SARS-CoV-2 exposure (number of close contacts, visiting busy locations, household size, face mask wearing, contact with SARS-CoV-2 case; Model 3). We stratified by age, vaccine type and time since vaccination.

Results

VE against infection (Model 3) was 64% (95% CI: 50–73), only slightly lower than in Models 1 (68%; 95% CI: 58–76) and 2 (67%; 95% CI: 56–75). Estimates stratified by age group, vaccine and time since vaccination remained similar: mRNA VE (Model 3) among people ≥ 50 years decreased significantly (p = 0.01) from 81% (95% CI: 66–91) at < 120 days to 61% (95% CI: 22–80) at ≥ 120 days after vaccination. It decreased from 83% to 59% in Model 1 and from 81% to 56% in Model 2.

Conclusion

SARS-CoV-2 exposure did not majorly confound the estimated COVID-19 VE against infection, suggesting that VE can be estimated accurately using routinely collected data without exposure information.
Improvement of methodology for determining time of safe shutdown of oil pipeline when pumping a mixture of high-viscosity and high-pour point oils
Authors: Федоров Павел Владимирович , Некучаев Владимир Орович
Published: November 2022

Вопросы обеспечения гарантированного запуска магистрального нефтепровода после остановки становятся все более актуальными вследствие нарастания в объеме транспортировки доли тяжелых и высокозастывающих нефтей. Целью настоящей работы является совершенствование методик расчета времени безопасной остановки нефтепровода с учетом свойств реально транспортируемых нефтей, технологических условий пуска и остановки трубопровода, технических параметров ротационных вискозиметров. Проведены исследования распределения температуры нефти по длине участка трубопровода и по определению реологических свойств нефти в соответствии с принятыми расчетными методиками. В качестве исследуемой среды использована смесь высокопарафинистой и малопарафинистой нефтей. Разработан усовершенствованный подход к определению статического напряжения сдвига, позволивший повысить точность расчетов пускового давления, требуемого для возобновления перекачки, и, соответственно, времени безопасной остановки трубопровода. Корректность предложенной методики подтверждена серией испытаний на теплогидравлическом стенде, моделирующих остановку нефтепровода, охлаждение нефти, возобновление перекачки.

The issues of ensuring guaranteed start-up of the main oil pipeline after shutdown are becoming more and more relevant due to the increasing share of heavy and high-pour point oils in the volume of transportation. The purpose of this work is to improve the calculation methods of safe pipeline shutdown time taking into account the properties of actually transported oils, technological conditions of pipeline start-up and shutdown, technical parameters of rotary viscometers. Oil temperature distribution along the length of the pipeline section was studied to determine the rheological properties of oil in accordance with the accepted calculation methods. A mixture of high-paraffin and low-paraffin crudes was used as the investigated medium. An improved approach to determining the static shear stress was developed, which has increased the accuracy of calculations of the starting pressure required for resumption of pumping and, accordingly, the safe shutdown time of the pipeline. The correctness of the proposed methodology has been confirmed by a series of tests on the thermohydraulic bench, which simulate the pipeline shutdown, crude cooling, resumption of pumping.
Research of durability of anticorrosive coatings for protection of berthing facilities
Authors: Ревин Павел Олегович , Макаренко Алексей Витальевич
Published: November 2022

С целью изучения стойкости защитных покрытий стальных конструкций при эксплуатации систем электрохимической защиты на причальных сооружениях проведены лабораторные и стендовые испытания. Образцы трех систем антикоррозионных покрытий на основе лакокрасочных материалов наносились на образцы, которые в составе испытательного стенда устанавливались на объектах портовой инфраструктуры ООО «Транснефть - Порт Козьмино» в зоне переменного погружения и брызг, а также в зоне морской атмосферы. Исследовались группы образцов, подключенные и не подключенные к электрохимической защите. По результатам двухлетнего мониторинга и последующих повторных испытаний получены данные о влиянии защитных токов на свойства покрытий. Установлено, что ударная прочность покрытий, подвергшихся агрессивному влиянию морской воды, возрастает с течением времени - это связано с дополнительной полимеризацией и процессами отверждения. Диэлектрические свойства покрытий, выдержанных в воде, ухудшаются относительно исходных показателей, но остаются в пределах нормативных значений. Таким образом, показано, что применение электрохимической защиты не приводит к ухудшению адгезии, снижению ударной прочности или увеличению отслоений покрытий. На основании полученных результатов испытаний уточнены нормативные требования по показателю прочности покрытия при ударе.

In order to improve the mechanisms for monitoring the resistance of protective coatings of steel structures during the operation of electrochemical protection systems at berthing facilities, laboratory and bench tests were performed. Samples of three systems of anti-corrosion coatings based on paintwork materials were applied to steel structures that were installed at the port infrastructure facilities of Transneft - Port Kozmino LLC in the variable immersion and spray zone, and in the marine atmosphere zone as well. Groups of samples connected and not connected to electrochemical protection were studied. Based on the results of a two-year monitoring period, data on the effect of protective currents on coating properties were obtained. It is found that the impact strength of coatings exposed to the aggressive influence of sea water increases with time; this is due to additional polymerization and curing processes. The dielectric qualities of water-aged coatings in water deteriorate relative to the initial indicators but remain within the standard values. Thus, it is shown that the use of electrochemical protection has no negative effects on coating adhesion, impact strength or disbondment of the coatings.
Analysis of approaches to designing electrochemical protection systems for underground pipelines in Russia and abroad
Authors: Агиней Руслан Викторович , Капачинских Жанна Юрьевна , Исупова Екатерина Владимировна , Александров Олег Юрьевич
Published: November 2022

С целью совершенствования организации электрохимической защиты (ЭХЗ) магистральных нефтегазопроводов подземной прокладки в соответствии с задачами обеспечения их надежности и безопасности эксплуатации проанализированы подходы к проектированию систем ЭХЗ указанных объектов, регламентированные российскими и зарубежными международными и отраслевыми стандартами. Установлено, что основные российские стандарты - РД-91.020.00-КТН-170-17 и СТО Газпром 9.2-003-2020 - имеют существенные различия в части расчетных формул параметров системы ЭХЗ. Использование методики СТО Газпром 9.2-003-2020 при проведении проектировочных расчетов накладывает дополнительные ограничения на величину защитных потенциалов и не позволяет учесть ряд важных параметров. В методиках зарубежных стандартов фактически отсутствует понятие длины защитной зоны, в то время как российские нормы регламентируют этот параметр как определяющий при расчетах. Показаны отличия подходов к расчету параметров установок катодной защиты и анодного заземления в России и за рубежом.

In order to improve the organization of electrochemical protection (ECP) of main underground oil and gas pipelines in accordance with the tasks of ensuring their reliability and operational safety, the approaches to the design of ECP systems of these facilities regulated by Russian and foreign international and industry standards were analyzed. It was found that the main Russian standards - RD-91.020.00-KTN-170-17 and STO Gazprom 9.2-003-2020 - differ significantly in terms of calculation formulas. The use of methodology STO Gazprom 9.2-003-2020 to perform design calculations imposes additional restrictions on the value of protective potentials and does not allow taking into account a number of reasonably important parameters. The methods of foreign standards effectively lack the concept of the length of the protective zone, while the Russian standards regulate this parameter as a key one in calculations. Differences to the calculation of parameters of cathodic protection and anode earthing installations in Russia and abroad were shown.
EFEKTIVITAS PEMBIAYAAN SYARIAH DALAM MENINGKATKAN KINERJA KEUANGAN UMKM DI DESA PEMATANG SERAI KECAMATAN TANJUNG PURA KABUPATEN LANGKAT
Authors: Nasution Nina Andriany , Rizkina Miftha
Published: November 2022

Sharia-based BUMDes have a significant contribution in supporting the development of Micro, Small and Medium Enterprises (MSMEs). BUMDes savings and loans provide capital to MSME entrepreneurs to be used in running MSME businesses, and MSME actors as managers of this capital to improve MSME businesses. Based on this phenomenon, this research is intended to see the effectiveness of Islamic financing in improving the financial performance of SMEs in Pematang Serai Village, Tanjung Pura District, Langkat Regency. This type of research is a quantitative descriptive approach, with the data analysis technique used is the interactive model of Miles and Huberman. The results of this study indicate that the effectiveness of financing affects the financial performance of MSMEs with the Return On Equity is classified as very good in increasing MSME business income, and mudharabah financing improves MSME financial performance very effectively in the correct use of funds for asset purchases, business development, increased income. clean and generate high profits.
DAMPAK BERBAGI INFORMASI RANTAI PASOKAN PADA KINERJA BISNIS BATIK DI THAMRIN CITY
Authors: Puspita Mailani , Surjasa Dadang
Published: November 2022

This research purpose is to analyze the effect of supply chain information sharing, operational performance, supply chain integration processes, supply chain agility on business performance in batik fashion in Thamrin City, Jakarta.The research design used is hypothesis testing. The sample used in this study were 151 batik traders in Thamrin City. The analytical method used is the Structural Equation Model (SEM) using SmartPLS. The results of the study show that supply chain information sharing, operational performance, supply chain integration processes affect business performance. Supply chain agility has no effect on business performance.
TRADISI KEMBAR MAYANG DALAM PROSES PERNIKAHAN ADAT JAWA DI KAPANEWON TEMPEL, KABUPATEN SLEMAN
Authors: Musyarofah Siti -
Published: November 2022

The Javanese traditional wedding ceremony is still the community's preference because it includes a series of sacred processions, even though it is complicated since there are so many of them. One of these series, namely the Kembar Mayang, is considered a sign to the ancestors that a wedding ceremony is taking place. Therefore, this study focuses on Kembar Mayang research as a still-preserved culture or custom. This is a field study based on true events that was analyzed using an anthropological perspective; data was collected through observation, interviews, and literature review. This study reveals that residents in Kapanewon Tempel, Sleman, continue to consider the Kembar Mayang tradition, including its complementary series of offerings, janur, and tarub. According to the customs of the people, this tradition has become a necessity for traditional Javanese weddings, as it is believed to facilitate the process and prevent supernatural interference. Despite what might be expected, the Kembar Mayang tradition is not contrary with religion. Likewise, this practice or tradition provides numerous benefits. The people of Kapanewon Tempel, Sleman Regency agree that this ritual is not troublesome, as it has become a habit for every citizen that chooses for Javanese wedding traditions.

Keywords : Customs, Kembar Mayang Traditions, Weddings, Culture
HUBUNGAN KOMUNIKASI PERAWAT DALAM PELAYANAN KESEHATAN DENGAN KEPUASAN PASIEN DI PUSKESMAS COLOMADU 1 KABUPATEN KARANGANYAR
Authors: Suwarni Anik , Mariyana Dina
Published: November 2022

Patient satisfaction toward nurse communication is the level of one's feelings after comparing patients nurses perceived communication with the expectation desired by the patient. Nurses in providing nursing care can not be separated from the nurse communication with patients that can affect patient satisfaction. Interview results are known in 5 patients who received less outpatient good service nurses in part because communication is less friendly to the patient empathy also those with less effective.To determine the relationship between the communication of nurses in health care with patient satisfaction in the health center Colomadu I Karanganyar. This descriptive quantitative research with cross sectional design. Population of 2500 patients, 96 samples were taken by accidental sampling technique. Data analysis techniques used by Kendall Tau correlation analysis: (1) Communication nurses mostly have good communication as many as 48 people (50.0%), (2) patient satisfaction satisfied people mostly belonging to as many as 56 people (58.3%); (3) There is a significant relationship between the communication of nurses in health care with patient satisfaction in the health center Colomadu I Karanganyar (r xy = 0.525> 0.218; p = 0.000
PENGARUH UKURAN PERUSAHAAN DAN PROFITABILITAS TERHADAP PENGUNGKAPAN TANGGUNG JAWAB SOSIAL PERUSAHAAN
Authors: Fitriana Rosa
Published: November 2022

Penelitian ini menurut peneliti dipandang sebagai suatu yang penting, karena bermanfaat bukan hanya untuk pengembangan ilmu akuntansi saja, dalam rangka meningkatan kinerja perusahaan melalui keterbukaan informasi yang diberikan kepada publik, pengungkapan tanggung jawab sosial perusahaan sesuai dengan aturan dan kebijakan yang berlaku, adanya supervisi atau pemantauan kinerja manajemen dan adanya akuntabilitas manajemen terhadap pemangku kepentingan lainnya berdasarkan kerangka aturan dan peraturan yang berlaku. Penelitian ini tentang pengungkapan tanggung jawab sosial perusahaan yang menemukan banyak hasil yang berbeda baik karena perbedaan di perusahaan dan negara, yang menjelaskan pengaruh ukuran perusahaan dan profitabilitas terhadap pengungkapan tanggung jawab sosial perusahaan. Metode yang digunakan dalam penelitian ini adalah teknik analisis deskriptif dan statistik. Ada 30 sampel yang menerapkan teknik purposive sampling. Sampel dalam penelitian ini adalah perusahaan manufaktur Indonesia yang terdaftar pada tahun 2010-2013 yang laporan tahunannya mengungkapkan kegiatan tanggung jawab sosial perusahaan perusahaan dan dapat diakses di situs web Bursa Efek Indonesia. Penelitian ini juga diharapkan dapat dijadikan sebagai bahan kajian lebih lanjut untuk penelitian dan pengembangan, dapat memberikan sumbangan referensi untuk melaksanakan penelitian dengan topik pengungkapan tanggung jawab sosial perusahaan di Indonesia serta faktor-faktor yang mempengaruhinya.
PENGARUH MOTIVASI DAN KEPUASAN KERJA TERHADAP KINERJA KARYAWAN DI PT MONICA HIJAU LESTARI
Authors: Abdullah Muhammad
Published: November 2022

Upaya untuk meningkatkan kualitas suatu perusahaan sangatlah penting, hal ini dimulai dengan memperbaiki dan memastikan seluruh sumber daya manusia yang ada dalam kondisi yang baik, terarah, dan terencana, sehingga dampaknya perusahaan dapat bersaing secara sehat dengan perusahaan lain, karena dimasa depan persaingan antar perusahaan semakin ketat, sehingga dibutuhkan kinerja yang baik dari para karyawan. Kinerja yang terbaik dan maksimal dari seluruh karyawan mutlak diperlukan, motivasi dan kepuasan kerja adalah menjadi hal yang sangat penting dalam diri para karyawan. Oleh sebab itu tujuan penelitian ini adalah untuk mengetahui pengaruh motivasi dan kepuasan kerja terhadap kinerja karyawan yang ada di PT Monica Hijau Lestari. Penelitian ini menggunakan metode survei dengan menggunakan data primer yang diperoleh dari kuesioner. Sampel dalam penelitian ini adalah 67 orang karyawan di PT Monica Hijau Lestari Regional 7. Sampel diambil dengan teknik sampel jenuh, yaitu teknik pengambilan sampel berdasarkan populasi total yang ada di PT Monica Hijau Lestari Regional 7. Teknik analisis data menggunakan regresi linier berganda. Hasil dari penelitian ini menunjukkan bahwa motivasi berpengaruh terhadap kinerja karyawan kepuasan kerja berpengaruh terhadap kinerja karyawan, motivasi dan kepuasan kerja secara simultan berpengaruh terhadap kinerja karyawan.
Experimental blood glucose estimation from photoplethysmography recordings on distal finger phalange
Authors: Campos-Hernández Paúl Javier , Sotelo-Orozco Arturo , Gamboa-Loaiza Diana , Vázquez-López Carlos Edgar
Published: November 2022

Blood glucose concentration shows the quality and health of an individual. High glucose levels in the blood flow indicate atypical behavior of the human system. Currently, there is an acceptable test method to estimate glucose level; it consists in taking out a blood sample by the finger with a pin prick. However, the blood sample test has some disadvantages because it can produce some non-desired issues, such as infections, especially a typical case in people living with diabetes. Therefore, this work is motivated by applying reflective Photoplethysmography (PPG), a non-invasive technique based on a light source and a photodetector near the human body's skin. In this case, we propose two different blood glucose sensors using the infrared diodes LTE-302 and COM-09349 with a photodetector FDS-100. It is worth noting that both designs have multiple development stages, and all of them are self-designed and validated through various test samples with three healthy volunteers, one woman and two men. The results present an error of about 14 % for the first sensor, while for the second sensor is about 7.9 %. Moreover, the sensor measurements are compared against a commercial glucometer, the One Touch Select Plus Flex, and the specifications of the NORM ISO 15197:2013 standard. Finally, the reflective PPG technique could be applied as a non-invasive method to estimate the blood glucose level in the human body.
Manipulación de un brazo robot mediante el seguimiento de los ojos
Authors: Gudiño-Lau Jorge , Llamas-Woodward Cesar , Alcalá-Rodríguez Janeth , Charre-Ibarra Saida , Jarillo-Silva Alejandro , Duran-Fonseca Miguel
Published: November 2022

Actualmente hay poca literatura e investigaciones relacionadas con el seguimiento de ojos (Eye Tracking) para la manipulación de robots o dispositivos mecatrónicos. Los artículos que se tienen hoy en día están enfocadas al estudio del ojo humano especialmente a la medicina, marketing y juego; sin embargo, son pocas dedicadas al control o manipulación de la tecnología (domótica, robots móviles: terrestres, aéreos o acuáticos, brazos robóticos, dispositivos mecatrónicos, entre otros). Por lo anterior, este artículo se centra en el diseño y construcción de un dispositivo mecatrónico para registrar el seguimiento ocular del ser humano con la finalidad de manipular un brazo robots de tres grados de libertad; y el desarrollo de una interfaz gráfica hombre-máquina amigable para visualizar el ojo humano y los comandos para la manipulación del robot.
Design of a semi-autonomous IoT submarine drone for the exploration and Monitoring of Hydraulic Systems
Authors: Higareda-Pliego Tomas , Arana-Llanes Julia Yazmin , Nava-Sedano Alma , Vargas-Ortíz Milton
Published: November 2022

In Nowadays, the problems of lack of water in Mexico have been increasing due to the lack of rain and excessive logging. Understanding that reforestation is required to solve this in the long term, it is extremely important to avoid waste or contamination of the vital liquid that is currently available. Therefore, this project seeks to mitigate these problems through the exploration and monitoring of the infrastructure of the network of pipes that transport drinking water within our country. For this, the TecNM through the Technological Institute Zacatepec, within the robotics laboratory and in collaboration with some researchers of the UAEH - Escuela Superior de Tlahuelilpan, develops the creation of an aquatic drone, controlled with IoT technology, and equipped with vision devices and algorithms and positioning sensors, which will make it possible to identify damage within the hydraulic system.
Seguimiento de trayectorias con evasión de colisiones para un robot autominy 4.0
Authors: Santiaguillo-Salinas Jesús , García-Lozano Hiram Netzahualcóyotl , González-Zárate Rafael Fernando , Hernández-Montalvo Dariel Gustavo
Published: November 2022

En este trabajo se presenta el diseño, simulación e implementación de un control para el seguimiento de trayectorias, considerando evasión de colisiones, para un robot móvil AutoMiny versión 4.0. El control de seguimiento está acotado por una función tangente hiperbólico y para la evasión de colisiones se utiliza un campo vectorial repulsivo. Los resultados teóricos obtenidos son validados a través de una simulación numérica y de manera experimental. La implementación se llevó a cabo mediante ROS y un sistema de cámaras OptiTrack.
Minería de texto para el estudio de un estado del arte en el uso de señales fisiológicas para la detección de emociones: una perspectiva en la interacción humano robot
Authors: Ruiz-Figueroa Armando Alejandro , Makagonov Pavel , Gómez-Pérez Víctor Alberto , Cruz-Tolentino José Alberto , Jarillo-Silva Alejandro
Published: November 2022

Este artículo presenta un enfoque basado en el análisis de resúmenes para conocer la tendencia del uso de señales fisiológicas, así como la viabilidad de aplicar estas técnicas en la inducción de emociones y estados cognitivos en personas sanas. El objetivo de este artículo es determinar la viabilidad de desarrollar herramientas tecnológicas, que ayuden a la detección del estado emocional y cognitivo de un usuario al interactuar con un robot. Para ello incialmente se recopilaron 8623 resúmenes de la biblioteca digital deIEEE, que se relacionan con los temas de neurometría y biometría durante un periodo aproximado de 50 años atrás. Sin embargo, al analizar los resultados se concluye que son de poca utilidad para el objetivo de esta investigación, así que se agrega en la nueva búsqueda el término “emociones”. El número de artículo se reduce a 110, se reconstruye el modelo de ciclo de vida o curva S utilizando el segmento del polinomio cúbico. Los resultados demuestran que existe una factibilidad y viabilidad de considerar labiometría y la neurometría en la detección de emociones.
Integración de señales EMG y EEG en domótica
Authors: Zárate-Ruiz Ángel del Rosario , Nava-Andrés Freddy U. , Cruz-Reyes Beny U. , Arias-Montiel Manuel , Lugo-González Esther , Velarde-Galván Alejandra
Published: November 2022

Este artículo presenta la integración de señales electromiográficas (EMG) y una interfaz cerebro-computadora (BCI) basada en señales electroencefalográficas (EEG) en un diseño domótico de asistencia. La interfaz EMG utiliza la señal miográfica extraída del tibial anterior en dos secciones: músculo activo y en reposo. La BCI utiliza el potencial visual evocado de estado estable (SSVEP) generado en respuesta a cuadros parpadeantes. Se empleó un método de extracción de características basado en la Transformada Rápida de Fourier (FFT) para la clasificación fuera de línea y las pruebas de integración.
Desarrollo de un sistema de navegación autónoma para un robot móvil basado en una cámara RGB-D
Authors: Vázquez Muñoz Sdeiby Daniela , Ibarra Zannatha Juan Manuel , González-Miranda Oscar
Published: November 2022

En este trabajo se presenta el desarrollo de un sistema de navegación autónoma para un robot móvil basado en una cámara RGB-D, que le permita navegar en un entorno estructurado, pero desconocido, formado por pasillos y las salas que tengan sus entradas accesibles desde dichos pasillos. Entre las diferentes aplicaciones que podría tener un robot móvil con este sistema de navegación están: el mapeo, la desinfección en interiores (SARS-CoV-2) con luz ultravioleta, la inspección autónoma de estos recintos y otras muchas que requieran visitar de manera autónoma las salas a las que se tenga acceso desde un pasillo o conjunto de pasillos interconectados. Se implementó dicho sistema tanto en simulación como en tiempo real, obteniendo para ambos casos los resultados esperados al navegar por un recinto.