bluuebunny/crossref_metadata_2025 huggingface dataset:
READINESS OF TRANSIT ORIENTED DEVELOPMENT (TOD) CONCEPT IMPLEMENTATION IN PERAK’S SUBURBAN AREAS
Authors: Ahmad Sabri , Rashid Mohamad Fadhli , Suratman Robiah
Published: April 2022

The transit-oriented development (TOD) concept is a planning strategy in metropolitan areas that involves mixed use of land for transportation systems, especially railway stations, as the basis for planning the TOD concept. The question raised is whether suburban areas are suitable and ready to implement the TOD concept which is included in the suburban districts’ local plan. The aim of this paper is to evaluate the readiness of implementing the TOD concept model for 14 suburban railway station areas in seven of Perak’s local government administrations. The methodology used is a mixed quantitative and qualitative approach, applying the Fuzzy Delphi Method (FDM) and case study method to develop the readiness model and evaluate the readiness level of the TOD concept in suburban areas. Twenty indicators from 4 key elements in the TOD readiness model were identified, such as population density, transit system, economic development, and land development potential. The findings indicated that all 14 railway stations involved have not yet achieved a 100 per cent level of readiness in implementing the TOD concept model.
Análisis económico de productos a partir de reciclados. Caso: recicladora verde neumático
Authors: Peñaloza Lopez Verónica , Cisneros Razo Marthaliz Dayanara
Published: April 2022

La generación de desperdicios de caucho produce un efecto perjudicial en el medio ambiente y en la salud humana, al entrar en contacto con el fuego emana gases nocivos que se acumulan en el organismo y producen cáncer a largo plazo, o a su vez, son arrojados en botaderos donde reúnen condiciones ambientales favorables para la incubación de virus. En Ecuador se calcula un aproximado de 240000 llantas desechadas anualmente y cada una se puede demorar 500 años en desintegrase. Es por ello por lo que, la finalidad de este proyecto es diseñar un plan de negocio rentable y amigable con el ambiente que contribuya a la reducción de la contaminación en la Provincia de Tungurahua, en este sentido el tipo de investigación es descriptiva, puesto que pretende medir y recolectar la información de manera neutral, es decir, independiente o conjunta.Dentro del estudio los resultados obtenidos demuestran que las empresas tienen interés en la aplicación de esta temática ya que se vincula al deseo de mejorar sus resultados, pues propicia un cambio significativo que los lleva al crecimiento y desarrollo futuro.
Percepción de la calidad de servicio y satisfacción del consumidor en la cámara de comercio de Guayaquil
Authors: Demarquet Ajila Marion , Chedraui Aguirre Lorraine
Published: April 2022

El presente documento se realizó para analizar la percepción de la calidad de servicios y satisfacción del consumidor en los afiliados y ex afiliados de la Cámara de Comercio de Guayaquil en el año 2021. En los últimos reportes se identificó un incremento en las desafiliaciones, debido a la falta de percepción de beneficios de los clientes de la Institución, razón por la cual algunos de ellos decidieron prescindir de la afiliación. Como técnicas de investigación se aplicaron encuestas a afiliados y desafiliados. También se realizaron entrevistas al personal ejecutivo de la CCG y se utilizó un enfoque mixto y una metodología de alcance correlacional para llevar a cabo la investigación. Los principales resultados fueron que los servicios con mayor aceptación por parte de los socios son los eventos sin costo, asesoría legal y los cursos de capacitación del Instituto de Desarrollo Profesional, IDEPRO, mientras que los desafiliados prefieren desarrollo y Networking. Con estos resultados se pudo concluir que un socio bien atendido es la mejor publicidad de la institución.
Factors Influencing Increased Use of Technology to Communicate With Others During the COVID-19 Pandemic: Cross-sectional Web-Based Survey Study
Authors: Dawe-Lane Erin , Mutepua Magano , Morris Daniel , Odoi Clarissa M , Wilson Emma , Evans Joanne , Pinfold Vanessa , Wykes Til , Jilka Sagar , Simblett Sara
Published: April 2022

Background

Communication via technology is regarded as an effective way of maintaining social connection and helping individuals to cope with the psychological impact of social distancing measures during a pandemic. However, there is little information about which factors have influenced increased use of technology to communicate with others during lockdowns and whether this has changed over time.

Objective

The aim of this study is to explore which psychosocial factors (eg, mental health and employment) and pandemic-related factors (eg, shielding and time) influenced an increase in communication via technology during the first lockdown in the United Kingdom.

Methods

A cross-sectional, web-based survey was conducted between April and July 2020, examining thoughts, feelings, and behaviors associated with the pandemic, including communicating more using technology (eg, via messaging, phone, or video). We collected sociodemographic information, employment status, mental health service user status, and depression symptoms. We used hierarchical logistic regression to test which factors were associated with communicating more using technology during the lockdown.

Results

Participants (N=1464) were on average 41.07 (SD 14.61) years old, and mostly women (n=1141; 77.9%), White (n=1265; 86.4%), and employed (n=1030; 70.4%). Participants reported a mild level of depression (mean 9.43, SD 7.02), and were communicating more using technology (n=1164; 79.5%). The hierarchical regression indicated that people who were employed and experiencing lower levels of depression were more likely to report increased communication using technology during a lockdown period of the COVID-19 pandemic, and over time, men communicated more using technology. Increased use of technology to communicate was related to greater communication and the inability to see others due to the social distancing measures enacted during the lockdown. It was not related to a general increase in technology use during the lockdown.

Conclusions

Although most participants reported increased use of technology to communicate during a lockdown period of the COVID-19 pandemic, this was more apparent in the employed and those experiencing low levels of depression. Moving forward, we should continue to monitor groups who may have been excluded from the benefits of support and communication using technology.
Dealing with the Missing, Imbalanced and Sparse Features Problems in Emergency Data Using Random Forest, K-means and PCA Respectively (Preprint)
Authors: Chen Xiaojie , Chen Han , Nan Shan , Kong Xiangtian , Duan Huilong , Zhu Haiyan
Published: April 2022

BACKGROUND

In emergency departments (ED), timely rescue is very important as patients’ conditions usually deteriorate rapidly. Early diagnosis can increase patients’ chances of survival. Early diagnosis can be improved by predictive models based on machine learning using Electronic Medical Record (EMR) data. However, ED data are usually imbalanced, having missing values and sparse features. These quality issues make it challenging to build early identification models for diseases in ED.

OBJECTIVE

The objective of this study is to propose a systematic approach to deal with missing, imbalanced and sparse feature problems of ED data.

METHODS

We used random forest and K-means algorithms to interpolate missing values and under-sample data. Regarding sparse features, we used principal component analysis to reduce dimensions. For continuous and discrete variables, the decision coefficient R2 and Kappa coefficient are used to evaluate the performance respectively. The area under the receiver operating characteristic curve (AUC) and the area under the precision-recall curve (AUPRC) are used to estimate the model performance. To further evaluate the proposed approach, we carried out a case study using an ED dataset extracted from Hainan Hospital of Chinese PLA General Hospital. A logistic regression model for patient condition worsening prediction was built out of the data processed by the proposed approach.

RESULTS

A total of 1085 patients with rescue record and 17959 patients without rescue record were collected, which were significantly imbalanced. 275, 402 and 891 variables are extracted from laboratory tests, medications and diagnosis, respectively. After data preprocessing, the median R2 of random forest interpolation for continuous variables is 0.623 (IQR: 0.647), and the median of Kappa coefficient for discrete variable interpolation is 0.444 (IQR: 0.285). The logistic regression model constructed using the initial diagnostic data has poor performance and variable separation, which is reflected in the abnormally high OR values of the two variables of cardiac arrest and respiratory arrest (27857.4 and 9341.6) and an abnormal confidence interval. Using the processed data, the recall of the model reaches 0.77, F1-SCORE is 0.74, and AUC is 0.64.

CONCLUSIONS

We proposed a machine learning method to deal with data quality issues such as missing data, data imbalance, and sparse features in emergency data, so as to improve data availability. A preliminary case study indicate the results produced by the proposed method can be used for building prediction model for emergency patients.
Influence of Digital Intervention Messaging on Influenza Vaccination Rates Among Adults With Cardiovascular Disease in the United States: A Decentralized Randomized Clinical Trial (Preprint)
Authors: Marshall Nell J. , Lee Jennifer L. , Schroeder Jessica , Lee Wei-Nchih , See Jermyn , Madjid Mohammad , Munagala Mrudula R. , Piette John D. , Tan Litjen , Vardeny Orly , Greenberg Michael , Liska Jan , Mercer Monica , Samson Sandrine
Published: April 2022

BACKGROUND

Seasonal influenza affects 5%-15% of Americans annually, resulting in preventable deaths and significant economic impact. Influenza infection is particularly dangerous for people with cardiovascular disease, who therefore represent a priority group for vaccination campaigns.

OBJECTIVE

We aimed to assess the effects of digital intervention messaging on self-reported rates of seasonal influenza vaccination.

METHODS

This was a randomized, controlled, single-blind decentralized trial conducted at individual locations throughout the United States over the 2020-2021 influenza season. Adults with self-reported cardiovascular disease who were members of the mobile Achievement platform were randomized to receive or not receive a series of 6 patient-centered digital intervention messages promoting influenza vaccination. The primary endpoint was the between-group difference in self-reported vaccination rates at 6 months after randomization. Secondary outcomes included levels of engagement with messages and the relationship between vaccination rates and engagement with messages. Subgroup analyses examined variation in intervention effects by race. Controlling for randomization group, we examined the impact of other predictors of vaccination status, including cardiovascular condition type, vaccine drivers/barriers, and vaccine knowledge.

RESULTS

Of the 49,138 randomized participants, responses on the primary endpoint were available for 11,237 (23%; 5575 in the intervention group and 5662 in the control group). The vaccination rate was significantly higher in the intervention group than among controls: 3418/5575 (61.31%) vs. 3355/5662 (59.25%), respectively; relative risk 1.03 [95% CI 1.004-1.066]; P=.027). Participants who were older, more educated, and White or Asian were more likely to report being vaccinated. The intervention was effective among White participants (P=.004) but not among people of color (P=.422). The vaccination rate was 15 percentage points higher among participants who completed all 6 intervention messages versus none, and at least 2 completed messages appeared to be needed for effectiveness. Participants who reported a diagnosis of COVID-19 were more likely to be vaccinated for influenza regardless of treatment assignment.

CONCLUSIONS

This personalized, evidence-based digital intervention was effective in increasing vaccination rates in this population of high-risk people with cardiovascular disease.

CLINICALTRIAL

ClinicalTrials.gov NCT04584645; https://clinicaltrials.gov/ct2/show/NCT04584645
Sequential Microwave-Ultrasound Assisted Extraction of Flavonoid from Moringa oleifera: Product Characteristic, Antioxidant and Antibacterial Activity
Authors: Prasetyaningrum Aji , Jos Bakti , Ratnawati Ratnawati , Rokhati Nur , Riyanto Teguh , Prinanda Gian Restu
Published: April 2022

Moringa oleifera leaves contain secondary metabolites in flavonoid compounds known to prevent several diseases. Therefore, appropriate extraction methods are required to produce extracts with a high yield of flavonoids from Moringa. In this study, the extraction from Moringa leaves was carried out using the sequential microwave/ultrasound-assisted extraction (MUAE) method compared with sequential ultrasound/microwave (UMAE), microwave (MAE), ultrasound (UAE), and maceration (ME). The effects of the time, temperature, and percentage of ethanol were studied on total flavonoid content using AlCl3 colorimetric assay. The extracts were analyzed by Scanning Electron Microscopy (SEM), Fourier Transforms Infrared Spectrophotometry (FTIR), and High-Performance Liquid Chromatography (HPLC). The antioxidant and antibacterial activities were tested using DPPH-scavenging and disc diffusion methods. The results of SEM surface analysis on various extraction methods show differences on each surface. The FTIR spectrum showed the presence of flavonoid O–H at 3200 cm–1, C=O at 1621 cm–1, and C–O at 1019 cm–1. In the results of HPLC, MUAE extracts 16.70 mg/ 100 g flavonoid quercetin at the retention time of 4.5 min, with the highest total flavonoids (2.89 mg QE/g), the highest antioxidant activity (IC50 72.31 µg/mL), and highest antibacterial activity (S. aureus 7 mm, E. coli 2 mm).
Metabolite Profiling of Ebony (Diospyros celebica Bakh) Leaves and Wood Extracts Using LC-MS/MS
Authors: Boritnaban Dien Atin , Karomah Alfi Hudatul , Septaningsih Dewi Anggraini , Majiidu Muhammad , Dwiyanti Fifi Gus , Siregar Iskandar Zulkarnaen , Rafi Mohamad
Published: April 2022

Ebony (Diospyros celebica Bakh) is an endemic forest tree species found in Sulawesi whose basic information on its metabolite profile is still lacking. The objective of this research was to separate and identify putatively metabolite present in the leaves and wood of ebony across Sulawesi. Separation and identification of ebony metabolites were carried out using UHPLC-Q-Orbitrap HRMS analysis. Using ultrasonication with ethanol as the extracting solvent, we used powdered ebony leaves and wood. The results showed that the metabolites contained in the leaves and wood of ebony were 59 metabolites. About 14 compounds were found in the leaves and wood, 21 compounds in the wood, and 24 compounds in the leaves. The identified metabolites are flavonoids, terpenoids, amino aldehydes, alkaloids, quinones, steroids, amino acids, fatty acids, and saccharides. Clustering of ebony using principal component analysis obtained leaves and wood groups using peak area of known compounds as the variable.
Antioxidant Analysis of Kawa Daun (Coffea canephora) Beverage by In Vitro and In Silico Approaches
Authors: Defri Ifwarisan , Palupi Nurheni Sri , Wahyudi Setyanto Tri , Yuliana Nancy Dewi
Published: April 2022

In Tanah Datar Regency, West Sumatra, Indonesia, the waste of pruning coffee leaves (Coffea canephora) is utilized as a traditional beverage called "Kawa Daun". For a consistent quality of Kawa Daun functional beverage, we evaluated the effect of different smoking times (0, 2, 4, and 6 h) on its in vitro DPPH antioxidant activity. Estimation of antioxidant components from the coffee leaf was conducted in silico using Peroxiredoxin V (PrxV) with 3MNG code as a receptor, and 33 phytochemicals were reported to be present in the coffee leaves as ligands. As a result, Kawa Daun, with a 2-h smoking time, had the highest antioxidant activity. Molecular docking between PrxV and the 33 compounds resulted in the ten most potential compounds based on the affinity energy. They were xanthone (-4.9 kcal/mol), uric acid (-4.8 kcal/mol), xanthosine (-4.8 kcal/mol), caffeine (-4.6 kcal/mol), 3-methylxanthine (-4.6 kcal/mol), 7-methylxanthosine (-4.6 kcal/mol), theobromine (-4.5 kcal/mol), theophylline (-4.5 kcal/mol), caffeic acid (-4.5 kcal/mol), and xanthine (-4.4 kcal/mol). These ten ligands had stronger interactions than the control ligand 1.2-dithiane-4.5-diol (-3.6 kcal/mol). This research showed the potential of Kawa Daun as a functional beverage with antioxidant activity. Further confirmation on the antioxidant potential of this beverage using an in vivo method is recommended.
Superparamagnetic Composite of Magnetite-CTAB as an Efficient Adsorbent for Methyl Orange
Authors: Harisah Nor , Siswanta Dwi , Mudasir Mudasir , Suyanta Suyanta
Published: April 2022

In this study, a superparamagnetic composite of magnetite-cetyltrimethylammonium bromide (CTAB) has been prepared by the coprecipitation method and then applied as a charge-selective adsorbent of anionic methyl orange (MO). The VSM (Vibrating Sample Magnetometer) measurement suggests the superparamagnetic property of MNPs (Magnetite Nano Particles) with a magnetic saturation of 49.2 emu g–1. The SEM image exhibits the significant difference in particle size from nanometers in uncoated magnetite to micrometers in magnetite-CTAB. Calculations with ImageJ software indicate that the diameter of the composite is in the range of 2–13 µm, with an average diameter of 6.56 µm, possibly consisting of hundreds to thousands of magnetite-CTAB micelles. The adsorption kinetics of MO over magnetite-CTAB follows the pseudo-second-order adsorption model of Ho and McKay with a rate constant (k2) of 3.54 × 103 g mol–1 min. The adsorption isotherm is well described by the Langmuir model with a Langmuir constant (KL) of 7.46 × 104 L mol and a maximum capacity (qm) of 27.9 mg g–1. The developed material is intriguing because it can be easily and quickly recovered using an external magnet after adsorption and selectively adsorbs anionic dyes.
Copper Corrosion Protection by 4-Hydrocoumarin Derivatives: Insight from Density Functional Theory, Ab Initio, and Monte Carlo Simulation Studies
Authors: Hadisaputra Saprizal , Purwoko Agus Abhi , Hamdiani Saprini
Published: April 2022

The corrosion inhibition performance of 4-hydrocoumarin derivatives has been studied using weight loss, electrochemical impedance spectroscopy, potentiodynamic polarization, and electrochemical frequency modulation techniques. However, experimental studies have not explained why the methoxy (OCH3) group contributes more to the increase in corrosion inhibition than the methyl (CH3) and chlorine (Cl) functional groups. In this theoretical study, the electronic aspect of the target corrosion inhibitors will be studied in detail to help strengthen the explanation in the experimental research. Density functional theory, ab initio, and Monte Carlo simulations have been used to analyze the corrosion inhibition performance of 4 curcumin derivatives against copper. The quantum chemistry approach is carried out under gas and aqueous conditions in neutral and protonated inhibitors. The Monte Carlo simulation was used to observe the dynamics and the mechanism of inhibition of the target molecule on the copper surface. The quantum chemistry approach can mimic the geometrical parameters of molecular inhibitors. It can also explain electronically why the OCH3 functional group is superior to other substituents. The adsorption energy of the 4-hydroquinone derivative is linearly correlated with the reported experimental study. The level of corrosion inhibition efficiency is OCH3 > CH3 > H > Cl.
Synthesis, Characterization, and Theoretical Study of Some New Organotellurium Compounds Derived from Camphor
Authors: Al-Saadawy Nuha Hussain
Published: April 2022

The present work describes the synthesis of a variety of organotellurium compounds. The first part describes the synthesis of a new series of organotellurium compounds containing azomethine groups. Reaction of (E)-(4-((1,7,7-trimethyl bicyclo[2.2.1]heptan-2-ylidene)amino)phenyl)mercury(II)chloride and (E)-(5-methyl-2-((1,7,7-trimethylbicyclo[2.2.1]heptan-2-ylidene)amino)phenyl) mercury(II)chloride with tellurium tetrabromide in 2:1 mole ratio yielded the tellurated Schiff bases Ar2TeBr2 (where Ar = 1-(C9H16C=N)C=N)C6H4 and 1-(C9H16C=N)C=N)-4-CH3C6H3) respectively. Reduction of organyl tellurium dibromide Ar2TeBr2 by hydrazine hydrate obtained the corresponding tellurides (i.e., Ar2Te) in good yields. Characterization of the prepared compounds was carried out using infrared spectrum (FT-IR), proton nuclear magnetic resonance spectrum (1H-NMR), and elemental analysis (CHN). The molecular structure of the organotellurium compounds was investigated using the density functional theory with hybrid functional (B3LYP), and the basis set 6-31G Geometrical structure, HOMO surfaces, LUMO surfaces, and energy gap have been produced throughout the geometry optimization. The molecular geometry and contours for the organotellurium compounds were investigated throughout the geometrical optimization. The donor and acceptor properties have been studied by comparing organotellurium compounds' highest occupied molecular orbital energies (HOMO). The present study aims to prepare organotellurium compounds derived from aniline, p-toluidine, and camphor and their derivatives using tellurated Schiff bases.
Decolorization and Transformation of Synthetic Dye Methylene Blue by Brown-Rot Fungus Fomitopsis pinicola
Authors: Purnomo Adi Setyo , Rizqi Hamdan Dwi , Ulfi Aulia , Nawfa Refdinal , Putro Herdayanto Sulistyo
Published: April 2022

Methylene blue (MB) is a synthetic dye widely used in industries that is difficult to degrade in the environment due to its stability. Brown-rot fungus Fomitopsis pinicola is an organism that is known to be able to degrade some organic pollutants such as DDT, aldrin, dieldrin, and methyl orange dye. This study aimed to explore the ability of F. pinicola on MB biodecolorization, to identify metabolites and propose a biodecolorization pathway. F. pinicola was evaluated for MB biodecolorization on PDA agar and PDB liquid media. The metabolites were determined by using LCTOF/MS. The PDA agar medium's largest index decolorization (ID) was 0.915%. The MB decolorization in liquid PDB medium showed the highest percentage of decolorization of 92.56% at MB concentration of 100 mg/L after 14-days incubation. The analysis using LC-TOF/MS showed metabolites from MB biodecolorization, namely 3-amino-7-(methylamino) phenothiazin-5-ium (Azure C), 3-(dimethylamino)-7-(methylamino) phenothiazin-5-ium (Azure B), and 3,7-bis(dimethylamino)-4aH-phenothiazin-5-one. The MB degradation pathway was proposed through demethylation and oxidation reactions based on the detected product metabolites. These results indicated that F. pinicola is a suitable agent for biodecolorization of MB, and can potentially be used for bioremediation of MB waste in the environment.
The Optimization of Silica-Based Composite Membrane from Volcanic Ash of Mount Sinabung, Titanium Dioxide, and Polyvinyl Alcohol for River Water Treatment through Photocatalyst Process
Authors: Hasanah Moraida , Sembiring Timbangen , Sitorus Zuriah , Humaidi Syahrul , Zebua Fynnisa , Rahmadsyah Rahmadsyah
Published: April 2022

The application of composite membranes consisting of SiO2 from the volcanic ash of Mount Sinabung, TiO2, and PVA on a laboratory scale has been investigated to improve the Silau River’s water quality in Asahan Regency. The purpose of this study is to determine the optimal combination of SiO2, TiO2, and PVA for treating river water to minimize its heavy metal content and color intensity to achieve clean water requirements. The membranes were prepared by drop-casting with varied compositions of PVA/40TiO2/60SiO2, PVA/60TiO2/40SiO2, PVA/80TiO2/20SiO2, and PVA/100TiO2/0SiO2. PVA was dissolved in aquadest, mixed with SiO2 and TiO2, then imprinted and dried for 24 h at 50 °C. A photocatalyst test was performed on each composition variation to see how the Silau River water’s color changed over time. The PVA/80TiO2/20SiO2 membrane’s composition fluctuated the highest during photocatalyst testing, with 45.95% degradation. The parameter results on the Silau River water test, namely turbidity, color, and chromium values, were reduced by photocatalysis of a PVA/80TiO2/20SiO2 composite membrane to 16 NTU, 30 TCU, and 0.013 mg/L, respectively. These results met the clean water quality criteria specified by Minister of Health of the Republic of Indonesia Decree No. 416/MENKES/PER/IX/1990.
Blast Wave
Authors: Levin Boris
Published: April 2022

The main results of the development of calculation methods and the creation of new antenna options based on the theoretical achievements of the middle of the last century are considered.
Credit Decision Problems of MSMEs (Medium, Small and Micro-sized Enterprises)
Authors: Li Can , Dang Yu , Liu Yinuo , Liu Xiaorong , Kang Junhong , Liao Yanshan
Published: April 2022

Micro, small and medium enterprises (MSMEs) have become an important force in driving the country’s market economy in the 21st century. However, because of the following drawbacks: i.e. single enterprise capital chain, unstable economy, high risk, etc., banks will take many risks if they lend to MSMEs. Therefore, it is necessary to build a sound bank credit decision system to promote the development of MSMEs. The analytic hierarchy process (AHP) is employed to classify the importance level such as credit rating and enterprise strength are used as first-grade indexes, and six indicators in terms of total sales and total profits are used as the second-grade indexes. Then, the eigenvalue method is used to obtain the importance weights of each level of indicators, and the weights of each influencing factor at each level are then calculated to achieve a quantitative analysis of credit risk and rating of each enterprise’s credit risk. This paper combines the existing loan pricing and loan interest rates to give preferential interest rates and higher loan amounts to enterprises with excellent credit risk ratings, and to give certain risky interest rates and lower loan amounts to enterprises with medium credit risk ratings.Based on the model, a quantitative analysis of the credit risk of 302 non-credit record enterprises is carried out and the bank’ credit strategy is provided when the total annual credit is 100 million yuan. Finally, this paper comprehensively considers the impact of credit risk and unexpected factors (e.g., the COVID-19) on enterprises, and provides the bank’s credit adjustment strategy when the total annual credit is 100 million yuan.
Design and Fabrication of Trolley Operated Agricultural Multi-nozzle Spray Pump
Authors: Gajbhiye Dr. Pankaj , Shastri Narayan , Sashastrabuddhe Aman , Wahane Jay , Sangodkar Shrohil , Gongale Vaibhav , Titarmare Vaibhav
Published: April 2022

Abstract: Insects are largely responsible for the crop destruction. To tackle this problems man-made insecticides and pesticides are sprayed over the plants in farms which kill the existing pests and avoids their reproduction. Mechanical equipments called sprayers are used in spraying processes. The most commonly used sprayer type is knapsack sprayer. The existing sprayers has certain drawbacks like In conventional type pesticide sprayer, the heavy tank containing pesticide is carried by the farmer on his back and requires a lot of human efforts for spraying. For effecient spraying of the pesticide operator has to hold the nozzle properly in the desired direction. Another type sprayer is fuel operated and requires expensive fuel i.e. Diesel or petrol. Thus the load on back of the farmer increases causes health issues. Such problems can be overcome by manually operated multi-nozzle sprayer as discussed in this project. Keywords: Back pain, constant flow valve, Multi-nozzle spray pump, farming, pesticides, farm equipment, Spraying equipment, etc
Physical Design of VCO with Wide Frequency Tuning Range Using Deep Submicron CMOS Technology
Authors: Nakhale Amol , Thakare Prof. M. N. , Chore Dr. N. M.
Published: April 2022

Abstract: This paper presents a new design approach of CMOS voltage controlled oscillator (VCO) with low power and wide frequency tuning range. A novel current starved delay cell has been proposed based on dual delay path architecture. The results have been obtained in 45 nm CMOS technology with supply voltage 1 V. The proposed VCO achieves a controllable frequency range from 1.81 GHz to 10.55 GHz with a wide tuning range. The control voltage (Vctrl) has been varied from 0.3V to 1V for obtaining the different output frequencies. The power dissipation of proposed VCO is 34.932 uW with current consumption as 0.079 mA at a control voltage of 1V and very optimised surface area as 14.8µm2. Keywords: Current starved delay cell, Low Power, Tuning range, VCO, etc.
Review Paper on Implementation of Management of Patient Data Records using Web Application
Authors: Gavhande Shweta , Kolhe Roshani , Ghugal Dhanshri , Bhondekar Rohini , More Prof. Sujata
Published: April 2022

Abstract: This study explains how a strategy for identifying and preventing patient-related data transfer theft at academic institutions was designed and implemented. To deliver remote services to its patients, every healthcare establishment cannot afford to modernise or digitise. As an outcome, patients and healthcare professionals must travel to a healthcare institution for diagnostics, extending their travel time and raising their expenditures. As a result, programmers devised the concept of developing a Web-based application system that keeps track of all credentialed physicians and their contact details. The web application will produce a unique user ID for each user using the information on their Aadhaar card. This is a straightforward method of obtaining digital access to your medical information. This paper having proper study over how different methods are managing their all the records between patients, admin and doctors. Keywords: patient data transfer, patient records, web application-based system, patient data monitoring
3D Modelling of Roller Assembly of Base Cutting Machine
Authors: Khan Dr. Imran , Pachpute Mr. Himanshu , Bhasharkar Mr. Abhinav , Umbarkar Mr. Kshitij , Dhomne Ku. Savi , Shamkuwar Mr. Sudhanshu
Published: April 2022

Abstract: 3D modelling is an important technique for many studies and applications. Model data acquisition and modelling 3D modelling techniques have their own specialties in various research and application areas. This article systematically introduces the equipment of 3D modelling method. This document also introduces a 3D modelling application, including all model views created in Fusion 360. Fusion 360's direct modelling tools allow you to change modal geometry without having to edit the mid-levels of your model. You can seamlessly make design changes without causing modelling errors. The authors consider the construction of a roller assembly of Base cutting machine is demonstrated. The constructions are considered as applied to the Autodesk fusion 360 software. The paper is aimed at improving the graphic methods of machine design and improving the educational process when training the Bachelor’s degree students majoring in machine design. Finally, some major issues and some shortcomings are identified, and further challenges are predicted from various aspects such as modelling recovery, digitization methods, and dynamic modelling. Keywords: Base Cutting Machine, Roller Assembly, 3D Modelling, Fusion 360, CAD.
Student Portal of College
Authors: More Rupal , Chavan Neha , Kendre Nisarg , Devmane Prof. Arti
Published: April 2022

Abstract: As we are familiar with pandemic situation and its effects on our life. The COVID-19 pandemic has affected people regardless of nationality, level of education, income or gender. It has affected education system. As most of education, in our country was conducted in offline mode. But due to pandemic, picture has changed. During pandemic all universities were closed. It was very difficult for student pursuing higher education to cope up with situation. Online learning or e-learning was the best outcome of this pandemic. Students are connected with teachers, mentors through online meetings. The importance of online learning came into existence. Many colleges adopted various online activities and practices. Most of existing online learning systems do not provide exchange of resources and study material between students and mentors . But the problem is that students expect online learning to be simple and could be performed at ease. So to deal with this students problem, instead of creating an application which requires download we made a website which can be easily accessed. The website of student portal we implemented makes it easy for students from college to access resources, study materials of each and every subject. Students can solve quiz which are questioned by their mentors. The most important thing is that students can share feedback on performance of mentors. The website is controlled by admin which looks after the various activities of students and mentors. Keywords: Student, Mentor, Admin, Login, Signup, Student Panel, Mentor Panel, Admin Panel
Effective Energy Recovery System for E-Vehicle
Authors: Bujade Nikhil .L. , Raut Aditya G. , Naware Shivani A. , Halmare Prof Abhay
Published: April 2022

Abstract: To improve driving ability of electric vehicle. Regenerative braking system (RBS) are an effective method of recovering the energy released and at the same time reducing the exhaust and brake emissions of vehicle. This method is based on the principle of converting the kinetic energy created by mechanical energy of the motor into electrical energy and the converted electrical energy is stored in battery for later use. These system provide economic benefits via fuel saving. This use also contribute to a clean environment and renewable energy source. Keywords: Regenerative brake, Energy, Vehicle, Emission ,Fuel Saving ,Clean air, Power saving
Dual Axis Solar Tracker with Cleaner
Authors: Patil Ketan , Dhulap Rohan , Kinjalaskar Sanket , Heeralal Neeraj Kumar , Bari Prof. Abdul
Published: April 2022

Abstract: The goal of this project was to develop a laboratory prototype of a solar tracking system, which is able to enhance the performance of the photovoltaic modules in a solar energy system. The operating principle of the device is to keep the photovoltaic modules (solar panels) constantly aligned with the sunbeams, which maximizes the exposure of solar panel to the Sun’s radiation. As a result, more output power can be produced by the solar panel. The work of the project included hardware design and implementation, together with software programming for the microcontroller unit of the solar tracker. The system utilized an Arduino sensor microcontroller to control motion of two D/C motors, which rotate solar panel in two axes. The amount of rotation was determined by the microcontroller, based on inputs retrieved from four photo sensors located next to solar panel. At the end of the project, and one cleaning unit also installed to clean the solar panels automatically with switch, a functional solar tracking system was designed and implemented. It was able to keep the solar panel aligned with the sun, or any light source repetitively. Design of the solar tracker from this project is also a reference and a starting point for the development of more advanced systems in the future.
DA PRISÃO PREVENTIVA: EVOLUÇÃO NORMATIVA E ATUAÇÃO EX OFFICIO DO MAGISTRAD
Authors: Giacomolli Nereu , Ribeiro João Pedro
Published: April 2022

A CF de 1988 atribuiu ao processo penal um perfil acusatório, na perspectiva da inércia da jurisdição. Contudo, o atual Código de Processo Penal, forjado sob a égide da CF de 1937, que instituiu o Estado Novo, de nítida inspiração totalitária, dispõe de inúmeras normas que destoam do paradigma constitucional, afrontando o devido processo constitucional. Como é por meio da aplicação normativa que o magistrado decreta a prisão preventiva, o decisum permitirá identificar, claramente, a opção pelo modelo tradicional, forjado nas décadas de 1930 e 1940 ou o constitucional. O artigo busca evidenciar a persistência da atuação ex officio do juiz, o que se observa na evolução legislativa da prisão cautelar, com especial atenção às mudanças trazidas pela Lei 13.964/2019 (Pacote Anticrime). Este, apesar de inovar, substancialmente, o regramento atinente à prisão preventiva, ainda não adequa a normatividade ordinária à constitucional e à convencional.
AS CONDUTAS TÍPICAS DA CORRUPÇÃO ATIVA
Authors: Duek Marques Oswaldo , Fuller Paulo
Published: April 2022

O presente artigo busca analisar as condutas típicas do crime de corrupção ativa, definido no artigo 333, caput, do Código Penal, segundo uma visão histórica e comparada da aludida incriminação, com o objetivo de demonstrar que a mera entrega de (conduta isolada de “dar”) vantagem indevida a funcionário público não aperfeiçoa o tipo penal em apreço. O estudo prossegue com a demonstração da ausência de adequação típica da denominada corrupção ativa subsequente, assim considerada a entrega de vantagem depois da prática de ato de ofício. Em seguida, discorremos sobre a impossibilidade de interpretação extensiva das condutas previstas no tipo penal do artigo 333, caput, do Código Penal, em face da proibição de analogia in malam partem e do princípio da taxatividade penal
LOOT BOXES E OS JOGOS DE AZAR: UMA ANÁLISE SOB A ÓTICA DA PSICOLOGIA, DIREITO E AÇÕES ESTATAIS
Authors: Couto de Brito Alexis , De Abreu Marcello
Published: April 2022

O objetivo deste artigo é analisar a controvérsia acerca das loot boxes e sua relação intrínseca com os jogos de azar, bem como possíveis regulamentações, tendo em vista o potencial nocivo ao público-alvo e aos jogadores em geral. Para tanto, partiu-se de uma análise de estudos psicológicos envolvendo similaridades com jogos de azar tradicionais, a perspectiva em direito comparado com relação aos países que já abordam o tema e possíveis implicações dentro do ordenamento jurídico nacional. Chegou-se à conclusão de que o tema levanta muita controvérsia sem que haja um ponto pacífico ao redor do mundo. Já em relação ao Brasil, a legislação atual não traria qualquer regulação do tema, sendo necessário uma iniciativa do Poder Legislativo para tanto.
O MARCO TEMPORAL NONAGESIMAL PARA REVISÃO DA NECESSIDADE DE MANUTENÇÃO DA PRISÃO PREVENTIVA E A JURISPRUDÊNCIA DO SUPREMO TRIBUNAL FEDERAL
Authors: Feitosa Renato , Colen Guilherme
Published: April 2022

O presente artigo tem por objeto o estudo do artigo 316, parágrafo único, trazido pela Lei 13.964/2019, que enuncia a necessidade de revisão da prisão preventiva com fixação de marco temporal para sua realização. Para tanto, parte da decisão do Supremo Tribunal Federal com o entendimento de que o exaurimento do prazo de 90 dias não acarretaria em automática revogação da prisão preventiva, porque a norma não disporia sobre prazo de duração da cautelar. Assim, o artigo analisa: a problemática do excesso de prazo da prisão preventiva; seus efeitos; a relevância de um marco temporal para sua caracterização; e, por fim, expõe os elementos que compõem o enunciado do parágrafo único, verificando o caráter mandatório da redação.
QUANDO A DEMOCRACIA ENCONTRA O CONSTITUCIONALISMO: A DUPLA FACE DA TEORIA CONSTITUCIONAL DE SIEYÈS
Authors: Pires Matheus , Lima Jairo
Published: April 2022

A tensão entre o constitucionalismo e a democracia encontra-se no centro dos debates jurídico e políticos contemporâneos. Em outras palavras, essa controvérsia se coloca entre assegurar uma estabilidade institucional ou permitir ao máximo a participação do povo no poder. Esse debate se encontra presente desde o estabelecimento das democracias constitucionais contemporâneas. Com o intuito de realizar uma pesquisa sobre as bases teóricas desse encontro entre soberania popular e supremacia constitucional, esse trabalho buscou na doutrina constitucional de Sieyès o referencial teórico para responder ao seguinte problema: de que forma o potencial democrático da Revolução Francesa foi arrefecido em favor de uma democracia limitada pelo aspecto constitucional e representativo. Por meio de uma pesquisa teórica, de base bibliográfica, com uma abordagem hipotética dedutiva, concluiu-se que, ainda que haja uma potencialidade democrática na teoria do poder constituinte de Sieyés, por meio de um poder constituinte permanente, por outro lado, essa pretensão torna-se em grande medida limitada pelas concepções de nação e representação dessa mesma teoria.
expresión del valor de la competitividad en la formación físico-deportiva del fútbol escolar
Authors: Merino Orozco Abel , Berbegal Vázquez Alfredo , Arraiz Pérez Ana , Sabirón Sierra Fernando
Published: April 2022

La competitividad suele considerarse un valor inherente a la sociedad en la que vivimos y se puede promover deliberadamente en el deporte escolar. Este estudio tiene por objetivo conocer las expresiones competitivas que implica en el fútbol escolar, mediante la observación participante, como reflexión al valor formativo que tiene la actividad. Se acompañan 10 equipos durante dos cursos escolares. El análisis de los resultados muestra que existen contradicciones entre la promoción de aprendizajes deportivos en condiciones de equidad y los resultados deportivos, que dependen de las aptitudes y capacidades individuales. Los niños capitalizan la rivalidad como la necesidad de ganar al oponente, lo que genera paradojas entre los apriorismos del deporte escolar, la socialización y sus aprendizajes. Este estudio concluye con la necesidad de promover sensibilidad educativa por los aprendizajes pedagógicamente deseables en complicidad con la participación de familias y agentes formativos.
Challenges of women entrepreneurs in the developing economy
Authors: Gashi Rrezarta , Ahmeti Hana Gashi , Baliu Elhame
Published: April 2022

Entrepreneurship takes a very important role in employment, improving economic and social indicators. The importance of enterprises is great for both developed and developing countries, so they are known as the key to the economic development of a country (Sharma & Gaur, 2020). Entrepreneurial women and their importance is a topic of discussion in itself in all countries of the world for the sake of gender equality in every economic and social aspect. This research aims to analyze the challenges of women entrepreneurs in the case of Kosovo. The research paper uses extensive literature and is based on secondary data provided by the Kosovo Agency of Statistics and various official reports and primary data provided by the survey, also, this work is realized based on the primary data. The purpose of this paper is to highlight the challenges faced by women entrepreneurs in transition countries, specifically in the state of Kosovo. The sample included 87 women entrepreneurs. The findings of the research paper show that childcare, care for the elderly, and access to finance remain challenges for women entrepreneurs in the case of Kosovo. The research paper further recommends increasing government support and government programs to support women entrepreneurs in all types of businesses and economic activities.
PREVALENCE OF ANTI-HLA ANTIBODIES IN HAPLOIDENTICAL HEMATOPOIETIC STEM CELL TRANSPLANTATION IN PEDIATRIC PATIENTS : A SINGLE-CENTER EXPERIENCE
Authors: AMEEN MUHAMMAD , Khan Sadia , Al-Ahmari Ali , Ayas muhab , Kattih Aya , Alkofide Amani , Ballourah Mohamad Walid , Al-awami Muheeb
Published: April 2022

Allogeneic hematopoietic cell transplantation (HCT) remains the curative
treatment of many patients with relapsed and refractory hematologic
malignancies, and some non-malignant conditions. For patients with no
matched donors, haplo-identical donors have been used successfully over
the last decade. Some donors may have antibodies directed against the
recipient’s HLA antigens often referred to as donor-specific antibodies
(DSAs). The use of stem cells from such donors may increase the risk of
primary graft failure. In order to determine if the presence of human
leukocyte antigen (HLA) donor-specific antibodies (DSA) at the time of
HCT increases the risk of primary graft failure in HLA haploidentical
transplantation, we reviewed the presence of anti-HLA antibodies and DSA
before transplantation in the first 100 consecutive HLA haploidentical
transplant in pediatric patients at our centre. Solid phase antibody
assays were used for testing. Results showed HLA antibodies were
detected in 50/100 (50%) of the patients. Of the 50 sensitized patients
twenty (n=20) had DSA. Twelve (n=12) of the 20 patients with DSA had
cumulative mean fluorescent index (MFI) <2000 and underwent
transplant without desensitization and all were engrafted. Whereas eight
patients had MFI >2000 MFI. Four among these underwent
desensitization and all of them achieved engrftment.. Two of the four
patients with positive DSA and no desensatization developed graft
rejection and the other two patient engrafted.
Pinball-like Mobile Left Atrial Mass
Authors: Hafez İzzet , Diken Adem , Yılmaz Mustafa , Alemdaroğlu Utku , Tünel Hüseyin Ali
Published: April 2022

A 58-year-old female with a past medical history of aortic and mitral
valve replacement performed 14 years ago, presented with dyspnea and
palpitation. No stroke or embolic event was documented. She was under
routine follow up for anticoagulation with effective levels of internal
normalized ratio. Transthoracic echocardiography revealed a large freely
mobile round mass moving freely in the left atrium (LA), which was
partially prolapsing in to the left ventricle (LV) (Video 1). The both
mechanical valve prosthesis were normally functioning while the native
tricuspid valve was severely regurgitating. As institutional review
board approval was not applicable for this report, an informed consent
was obtained from the patient and underwent surgical removal via the
transseptal approach. The spherical pink colored and smooth surfaced
mass seemed as an organized thrombus formed in layers with a viscous
central zone with palpation (Figure 1). The tricuspid valve was repaired
using the band annuloplasty technique. Histological examination of the
mass revealed features consistent with thrombus. Post-operative course
was uneventful and patient was discharged on sixth postoperative day.
Synchronization of fractional-order chaotic systems using optimal control problem
Authors: Karimi Sohrab , Rakhshan Seyed Ali , Effati Sohrab
Published: April 2022

A focus of this article is the study of synchronization between
nonlinear chaotic systems with fractional order. Here synchronization is
achieved by employing optimal control based on active control. As a
result of the application of the proposed technique, the synchronization
for the pair of chaotic systems amongst the chaos of Lorenz’s system
with fractional order and Rössler system with fractional order is
successfully investigated. The graphic representation of numerical
simulation results shows that controller laws can effectively and
reliably synchronize fractional-order chaotic systems.
Primary synovial chondromatosis in children: a case report and literature review
Authors: Hiba Bettaieb , Ferjani Hanene
Published: April 2022

Primary synovial chondromatosis is an uncommon and benign metaplastic
condition that usually affects large joints. Though shoulder involvement
is scarce, and there are only a few cases in the pediatric population.
Imaging findings of small cell neuroendocrine carcinoma of the ureter
Authors: Chen Gui-Wu , Xie Yuhuan , Liu Wen-Qin , Liao Xiao-Min , He Zhi-zhong
Published: April 2022

Small cell neuroendocrine carcinoma (SCNEC) of the ureter is a rare
malignant tumor originating from the metaplasia of urothelial cells.
This report presents a case of ureteral SCNEC that was preliminarily
disclosed by transabdominal ultrasonography; thereafter, transrectal
ultrasonography and magnetic resonance urography were performed to
characterize the focus.