bluuebunny/crossref_metadata_2025 huggingface dataset:
Mirror, mirror on the wall
Authors: Harries Judith
Published: October 2022

Babies and young children respond to their own image as captured by a mirror in a variety of ways. Over time, they gradually learn to recognise themselves as the subject in the mirror and begin to interact with it. This process is explored and celebrated in this article alongside a series of activities involving mirrors for practitioners to use in their settings.
Making sense of a therapeutics randomised controlled trial
Authors: Morris David
Published: October 2022

David Morris explains how nurses can use research papers to improve their practice
Pyoderma gangrenosum and dehydrated human amnion/chorion membrane: a potential tool for an orphan disease
Authors: Alston Dylan , Eggiman Evan , Forsyth R Allyn , Tettelbach William H
Published: October 2022

Objective:

Pyoderma gangrenosum (PG) is an often-misdiagnosed, painful, inflammatory and ulcerative skin disorder. It is an orphan disease, where standard wound treatments such as sharp surgical debridement are contraindicated. This retrospective case series sought to evaluate the application of dehydrated human amnion/chorion membrane (DHACM) as a skin substitute in cases that were refractory to a range of standard-of-care techniques.

Method:

This retrospective case series involved wounds which failed to close with standard escalating treatments, including anti-inflammatory and immunosuppressive therapies. Subjects were transitioned to DHACM and wound sizes were monitored until closure.

Results:

Wounds (n=5) for all three subjects had stalled with standard therapies for at least 2.5 months but responded quickly to routinely applied DHACM treatments, and closure was achieved in each case.

Conclusion:

This retrospective pilot case series examined the use of DHACM as an alternative wound treatment for PG patients failing standard therapies. DHACM treatments re-initiated the trajectory towards wound closure for each stalled PG ulcer. The results suggest a treatment algorithm starting with early recognition, wound closure via treatment escalation, and lastly a gradual reduction in treatment for durable closure. DHACM treatment should be formally evaluated as an adjunct to PG ulcers that have remained refractory to more commonly used immunomodulating therapies.
Expression of nucleolin, nucleophosmin, upstream binding transcription factor genes and propolis in wound models
Authors: Kaya Murat , Eroz Recep , Kabakliogli Murat
Published: October 2022

Objective:

Nucleolar proteins have important functions in the regulation of cell homeostasis and play a crucial role in sensing various types of stress, such as genotoxic stress. Propolis has epithelial, analgesic, antibacterial, antifungal and antiviral effects. This study aimed to evaluate the gene expression levels of nucleolar proteins: nucleolin (NCL); nucleophosmin (NPM1); and upstream binding transcription factor (UBTF), as well as the benefits of propolis in wound healing.

Method:

This experimental study was conducted by creating clean and clean–contaminated wounds according to the Surgical Site Infection Guidelines, 2016. A total of seven animal groups were included in the study: control; laparotomy; anastomosis; fucidic acid with/without anastomosis; propolis with/without anastomosis Results: Statistically significant differences of levels of gene expression among the groups were detected for NCL (p=0.004), NPM1 (p=0.011) and UBTF (p=0.000). When the expression levels of the related genes and blood parameters are considered, the relationship between NCL, NPM1 and UBTF expression levels and blood parameters (NE, EO, NE(%), LY, LY(%), EO, EO(%), MO, MO(%), RBC, HB, HCT, MCV, MCHC, RDW, RDW(%), PLT, PDW and PCT) were statistically significant.

Conclusion:

The nucleolar proteins such as NCL, NPM1 and UBTF have important functions in cell viability and its maintenance under various condition such as stress and injury. Additionally, propolis has positive benefits in wound healing and in the prevention of wound infection. Our findings provide the first insights into the putative role of those proteins in wound healing.
The Jose Antonio Dias Pelaez Experimental Art School and the Artwork of Yuleisy Fernandez Cruzata and Jesús Molina
Authors: Cruzata Yuleisy Fernández , Molina Jesús
Published: October 2022

Photo essay featuring the work of and behind-the-scenes photos from Cruzata and Molina.
Person‐centered, high‐quality care from a distance: A qualitative study of patient experiences of TelAbortion, a model for direct‐to‐patient medication abortion by mail in the United States
Authors: Kerestes Courtney , Delafield Rebecca , Elia Jennifer , Shochet Tara , Kaneshiro Bliss , Soon Reni
Published: October 2022

Context

Direct‐to‐patient telemedicine abortion allows people to receive mifepristone and misoprostol for medication abortion in their home without requiring an in‐person visit with a healthcare provider. This method has high efficacy and safety, but less is known about the person‐centered quality of care provided with telemedicine.

Methods

We interviewed 45 participants from the TelAbortion study of direct‐to‐patient telemedicine abortion in the United States from January to July 2020. Semi‐structured qualitative interviews queried their choices, barriers to care, expectations for care, actual abortion experience, and suggestions for improvement. We developed a codebook through an iterative, inductive process and performed content and thematic analyses.

Results

The experience of direct‐to‐patient telemedicine abortion met the person‐centered domains of dignity, autonomy, privacy, communication, social support, supportive care, trust, and environment. Four themes relate to the person‐centered framework for reproductive health equity: (1) Participants felt well‐supported and safe with TelAbortion; (2) Participants had autonomy in their care which led to feelings of empowerment; (3) TelAbortion exceeded expectations; and (4) Challenges arose when interfacing with the healthcare system outside of TelAbortion. Participants perceived abortion stigma which often led them to avoid traditional care and experienced enacted stigma during encounters with non‐study healthcare workers.

Conclusion

TelAbortion is a high quality, person‐centered care model that can empower patients seeking care in an increasingly challenging abortion context.
Long-term glucose-lowering effect of intermittently scanned continuous glucose monitoring for type 1 diabetes patients in poor glycaemic control from Region North Denmark: An observational real-world cohort study
Authors: Jensen Morten Hasselstrøm , Cichosz Simon Lebech , Gustenhoff Peter , Nikontovic Amar , Hejlesen Ole , Vestergaard Peter
Published: October 2022

Background

Lowering glucose levels is a complex task for patients with type 1 diabetes, and they often lack contact with health care professionals. Intermittently scanned continuous glucose monitoring (isCGM) has the potential to aid them with blood glucose management at home. The aim of this study was to investigate the long-term effect of isCGM on HbA1c in type 1 diabetes patients with poor glycaemic control in a region-wide real-world setting.

Methods

All patients with type 1 diabetes receiving an isCGM due to poor glycaemic control (≥70 mmol/mol [≥8.6%]) in the period of 2020–21 in Region North Denmark (“T1D-CGM”) were compared with all type 1 diabetes patients without isCGM (“T1D-NOCGM”) in the same period. A multiple linear regression model adjusted for age, sex, diabetes duration and use of continuous subcutaneous insulin infusion was constructed to estimate the difference in change from baseline HbA1c between the two groups and within subgroups of T1D-CGM.

Results

A total of 2,527 patients (T1D-CGM: 897; T1D-NOCGM: 1,630) were included in the study. The estimated adjusted difference in change from baseline HbA1c between T1D-CGM vs T1D-NOCGM was -5.68 mmol/mol (95% CI: (-6.69 to -4.67 mmol/mol; p<0.0001)). Older patients using isCGM dropped less in HbA1c.

Conclusions

Our results indicate that patients with type 1 diabetes in poor glycaemic control from Region North Denmark in general benefit from using isCGM with a sustained 24-month improvement in HbA1c, but the effect on HbA1c may be less pronounced for older patients.
Frequency and patient attributes associated with emergency department visits after discharge: Retrospective cohort study
Authors: Salgado Rita , Moita Bruno , Lopes Sílvia
Published: October 2022

Background

The utilization of emergency department (ED) during the post-discharge period may provide relevant insights to reduce fragmentation of care, particularly in a context of general intense use. We aimed to describe frequency and patient attributes associated with emergency department (ED) visits within 30 days of inpatient discharge in a Portuguese health region–Algarve.

Methods

Secondary data on inpatient and emergency care, for adult patients discharged in 2016. To analyse the association between outcome–ED visit within 30 days of discharge–and selected variables (admission type and groups of or individual illnesses/conditions), we used age- and sex-adjusted odds ratios (aOR). We included all adult patients (aged ≥18 years) discharged during 2016 from the region’s public hospital inpatient departments. The period for ED visits also included January 2017.

Results

For 21,744 adults discharged in 2016 (mean age: 58 years; 60% female), 23 percent visited ED at least once within 30 days of discharge. Seventy-five percent of those visits were triaged with high clinical priority. Patients with more comorbidities or specific groups of illnesses/conditions had a significant increased risk of returning ED (aOR and 95% confidence intervals–endocrine: 1.566; 1.256–1.951; mental illness: 1.421; 1.180–1.713; respiratory: 1.308; 1.136–1.505).

Conclusion

Patients returned ED after inpatient discharge frequently and for severe reasons. Patients with more comorbidities or specific groups of illnesses/conditions (endocrine, mental illness or respiratory) had an increased risk of returning ED, so these groups may be prioritized in further research and health system initiatives to improve care before and after discharge.
Noninvasive evaluation of the hemodynamic status in patients after heart transplantation or left ventricular assist device implantation
Authors: Roth Sebastian , Fox Henrik , M’Pembele René , Morshuis Michiel , Lurati Buse Giovanna , Hollmann Markus W. , Huhn Ragnar , Bitter Thomas
Published: October 2022

Introduction

Hemodynamic assessment is crucial after heart transplantation (HTX) or left ventricular assist device (LVAD) implantation. Gold-standard is invasive assessment via thermodilution (TD). Noninvasive pulse contour analysis (NPCA) is a new technology that is supposed to determine hemodynamics completely noninvasive. We aimed to validate this technology in HTX and LVAD patients and conducted a prospective single-center cohort study.

Methods

Patients after HTX or LVAD implantation underwent right heart catheterization including TD. NPCA using the CNAP Monitor (V.5.2.14; CNSystems Medizintechnik AG, Graz, Austria) was performed simultaneously. Three TD measurements were compared with simultaneous NPCA measurements for hemodynamic assessment. To describe the agreement between TD and NPCA, Bland–Altman analysis was done.

Results

In total, 28 patients were prospectively enrolled (HTX: n = 10, LVAD: n = 18). Bland-Altman analysis revealed a mean bias of +1.05 l/min (limits of agreement ± 4.09 l/min, percentage error 62.1%) for cardiac output (CO). In LVAD patients, no adequate NPCA signal could be obtained. In 5 patients (27.8%), any NPCA signal could be detected, but was considered as low signal quality.

Conclusion

In conclusion, according to our limited data in a small cohort of HTX and LVAD patients, NPCA using the CNAP Monitor seems not to be suitable for noninvasive evaluation of the hemodynamic status.
Seeing the (in)justice of sustainability: Visualizing inequality at the centre of climate change communication
Authors: Cui Zheng , Gutsche Robert E. , Pinto Juliet
Published: October 2022

This Special Issue focuses on issues of sustainability and its (potential) effect(s) on widening inequalities. It does so through discussions on visual and digital communication, including documentary filmmaking, photojournalism, cartography and citizen multimedia journalism, with a broad geographic span. The issue is comprised of two sets of scholarly approaches. The first set includes perhaps more conventionally arranged articles that align with the Special Issue theme, while the second set is steeped in intersections of theory and practice as short essays, revolving around visualizations that articulate veiled senses of inequalities in sustainability discourses.
The future in our hands: A sustainable stock photo reading
Authors: Simonsen Anne Hege
Published: October 2022

Stock photos are generic, ready-made visual conceptualizations of everyday myths. They have low credibility among audiences, yet they are proliferating in visual communication, including journalistic media. A close reading of one of the dominant visual tropes related to sustainability, a white woman’s hands cupping a young, green plant, suggests that these pre-formatted images contain tacit layers of meaning that are uncritically anthropocentric and accepting of inequalities.
PETA-Porn: Do controversy and consumerism aid animal rights?
Authors: Miller Toby
Published: October 2022

People for the Ethical Treatment of Animals is renowned/notorious for campaigns in the name of animal rights that use women’s bodies in sexualized ways, perhaps most notably Pamela Anderson’s. Feminists have both criticized and supported these tropes, while the liberal and conservative bourgeois media alike have generally denounced them. I sketch those debates and offer an additional concern – that the organization’s reformist, consumerist politics invests in plutocratic activism.
First record of Selaginella kraussiana (Kunze) A. Braun in Western Ukraine (Eastern Europe)
Authors: Shalimov Alexander P.
Published: October 2022

Based on examination of herbarium specimen that was previously misidentified as Selaginella helvetica (L.) Spring, we report the first voucher-based record of S. kraussiana (Kunze) A. Braun from the eastern Carpathian Mountains in West Ukraine. A morphological comparison of S. kraussiana with S. helvetica and S. selaginoides occurring in this region is given. Selaginella kraussiana differs from them in habit, vegetative leaves and strobili structure.
Analisis Semiotika Penggambaran Perempuan Bercadar dalam Film Pendek “Menjadi Aku Tak Harus Kaku”
Authors: Habibi Muhamad Lutfi
Published: October 2022

The background problem of this research is how the depiction of face-veiled woman is found in the short movie "Menjadi Aku Tak Harus Kaku" produced by Islam-inspired online media, Islamidotco. The unit of analysis in this research is verbal signs and visual signs in each sequence which are identified through the technical understanding of the cinematic elements of the film. This research method uses Charles Sanders Peirce’s semiotic analysis of the triadic relationship between sign and object and the interpretation. The findings show that the depiction of face-veiled woman can be categorized into three meanings, that is experiencing a transformation that leads to tolerance, establishing relationships with other humans and the natural environment, and having a strong commitment in living life choices. The meaning of these signs are the icon that represents similarity in appearance and the index that reacts to phenomena that are often closely associated with face-veiled women in Indonesia.
Method of analysing torsional vibrations in the motorcycle steering system in the phase plane
Authors: Żardecki Dariusz , Dębowski Andrzej
Published: October 2022

W pracy prezentowana jest metoda analizy drgań wykorzystująca odwzorowania przebiegów czasowych na tzw. płaszczyźnie fazowej i dla przypadku drgań swobodnych są to klasyczne portrety fazowe. W przypadku drgań wymuszonych przebiegami sinusoidalnie zmiennymi są to zobrazowania typu figury Lissajous oraz ich stroboskopowe rozwinięcia do tzw. map Poincare. W celu prezentacji proponowanej metody badawczej relacjonowane są analizy drgań swobodnych i wymuszonych dotyczące układu zbliżonego do układu kierowniczego (UK) motocykla modelowanego i symulowanego w środowisku Matlab-Simulink, z uwzględnieniem procesów stick-slip. Wyniki obliczeń obrazują nie tylko istotę metody analizy drgań na płaszczyźnie fazowej, ale także wpływ wybranych parametrów modelu (tu dotyczących luzu i tarcia), a także zakłóceń pomiarowych na wyniki zobrazowań. Prezentowana metoda analizy stanowi alternatywne rozwiązanie względem klasycznych analiz widmowych.
Effect of the B-type guiderail joints of a road barrier on the TB11 and TB32 virtual crash tests
Authors: Nycz Daniel
Published: October 2022

W pracy przedstawiono wpływ złączy prowadnicy typu B bariery SP-05/2, klasy N2–W4–A, na przebieg wirtualnych testów zderzeniowych TB11 i TB32. Prowadnicę modelowano jako belkę ciągłą (bez złączy) oraz jako składającą się z 4 m odcinków połączonych elementami belkowymi modelującymi złącza. Test TB11 dotyczy samochodu osobowego o masie 900 kg, uderzającego w barierę z prędkością 100 km/h pod kątem 20°. Test TB32 dotyczy samochodu osobowego o masie 1500 kg, uderzającego w barierę z prędkością 110 km/h pod kątem 20°. Obliczenia numeryczne przeprowadzono w środowisku LS-Dyna z wykorzystaniem modeli pojazdów Geo Metro i Doge Neon, zaczerpniętych ze strony National Crash Analysis Center (NCAC). Modele pojazdów poddano niezbędnym modyfikacjom. Wyniki wirtualnych testów zderzeniowych poddano analizie pod kątem parametrów i kryteriów przyjęcia testów zderzeniowych, wymaganych przez normy PN-EN 1317-1:2010 i PN-EN 1317-2:2010. Uwzględnienie połączeń segmentów prowadnic pozwala sprawdzić, czy prowadnica zachowa ciągłość w trakcie testu zderzeniowego. Modelowanie testów zderzeniowych z prowadnicami modelowanymi jako belki ciągłe, powoduje zmniejszenie prawie wszystkich parametrów zderzeniowych, a w przypadku testu TB11 – łagodniejsze wyprowadzenie pojazdu.
Comparative assessment of the risk of injury to children aged 3 and 10 in a road accident
Authors: Żuchowski Andrzej
Published: October 2022

Przedstawiono wyniki badań obciążeń dynamicznych, jakie działają na dzieci przewożone w fotelikach na tylnym siedzeniu samochodu osobowego, podczas jego czołowego uderzenia w przeszkodę. Wykorzystano wyniki badań udostępnione w Internecie przez National Highway Traffic Safety Administration (USA), obejmujące 12 testów zderzeniowych, w których samochód jadący z prędkością około 56 km/h uderzał czołowo w sztywną, płaską barierę. Uwagę skupiono na obciążeniach manekinów, reprezentujących dzieci w wieku 3 i 10 lat. W większości samochodów, w rozważanych warunkach badań, ryzyko poważnych obrażeń (AIS3) dziecka 3-letniego było większe o (5 ÷ 27)% niż dziecka 10-letniego. Ustalono, że zagrożeniem dla młodszego dziecka może być uderzenie tyłem głowy o oparcie fotelika, w końcowej fazie zderzenia. Natomiast starsze dziecko jest narażone na nadmierne ugięcie klatki piersiowej. Ocenę obciążeń manekinów poprzedzono analizą danych z wypadków drogowych w Polsce i UE. Ustalono, że ryzyko śmierci dziecka podczas wypadku drogowego w Polsce jest porównywalne w obu analizowanych grupach wiekowych (0 – 6 lat oraz 7 – 14 lat). Niepokojące jest to, że wartość wskaźnika zagrożenia dzieci w Polsce jest prawie 2 razy większa niż średnia w Unii Europejskiej.
Performance of Internal Combustion Engine Fueled by Liquefied Petroleum Fuel with Water Addition
Authors: Chłopek Zdzisław , Biedrzycki Jacek , Wójcik Piotr , Bukrejewski Paweł , Paczuski Maciej , Marchwiany Marcin
Published: October 2022

Przeanalizowano informacje literaturowe dotyczące dodatku wody w różnych postaciach do czynnika roboczego silnika zasilanego paliwem LPG. Opisano korzyści płynące z dodawania wody do silników o zapłonie zarówno iskrowym, jak i samoczynnym, zasilanych paliwem LPG, w tym wpływ na parametry operacyjne silnika oraz na emisję zanieczyszczeń. Ocenia się, że dodatek wody do czynnika roboczego ma korzystny wpływ na sprawność cieplną obiegu, przyczynia się również do zmniejszenia emisji tlenku węgla, węglowodorów i tlenków azotu. Przedstawiono metodykę badań empirycznych silnika o zapłonie iskrowym zasilanego paliwem LPG z dodatkiem wody: badania przeprowadzono w warunkach symulujących trakcyjne użytkowanie silnika – w homologacyjnym teście jezdnym – NEDC, składającym się z testu jazdy miejskiej – UDC i pozamiejskiej – EUDC. Przedstawiono charakterystykę paliwa stosowanego w badaniach: jego skład i wybrane właściwości fizyko-chemiczne. Przedstawiono wyniki badań empirycznych: zużycia paliwa i emisji zanieczyszczeń. Stwierdzono, że dodatek wody ma wpływ na zmniejszenie eksploatacyjnego zużycia paliwa oraz emisji drogowej tlenku węgla, węglowodorów, tlenków azotu i dwutlenku węgla w warunkach pracy silnika odpowiadających jeździe zarówno miejskiej, jak i pozamiejskiej.
Comparative examination of performance characteristics of an IC engine fuelled with diesel oil and rape methyl esters
Authors: Chłopek Zdzisław , Jagiełło Sebastian , Juwa Sebastian , Skrzek Tomasz
Published: October 2022

W artykule przedstawiono wyniki badań porównawczych właściwości użytkowych silnika o zapłonie samoczynnym zasilanego olejem napędowym i estrami metylowymi oleju rzepakowego. Jako właściwości użytkowe silnika oceniano właściwości: energetyczne ze względu na moc użyteczną i moment obrotowy, ekonomiczne ze względu na sprawność ogólną oraz ekologiczne ze względu na emisję zanieczyszczeń. W badaniach uwzględniono estry metylowe oleju rzepakowego z dodatkami letnim i zimowym. Badania przeprowadzano w warunkach zewnętrznej charakterystyki prędkościowej na stanowisku badawczym AVL Single Cylinder Test Bed z jednocylindrowym silnikiem badawczym o zapłonie samoczynnym AVL 5402 i zespołem analizatorów spalin oraz oprzyrządowaniem sterującym pracą całego systemu. Do kompletowania oraz analizy danych wykorzystano oprogramowanie AVL PUMA. W wyniku przeprowadzonych badań stwierdzono duże różnice we właściwościach użytkowych silnika dla wersji letniej i zimowej estrów metylowych olejów roślinnych. Stwierdzono również korzystny wpływ stosowania badanych biopaliw na emisję zanieczyszczeń.
Uncertainty of the estimation of model parameter values in the analysis of pedestrian throw
Authors: Wicher Jerzy
Published: October 2022

Celem artykułu jest analiza wpływu niepewności szacowania wartości parametrów wybranych modeli matematycznych opisujących relacje między odległością odrzutu pieszego a prędkością jaką uzyskuje pieszy w wyniku uderzenia przednią częścią nadwozia. Badano wpływ zmian kąta odrzutu pieszego na prędkość jego odrzutu oraz przedstawiono problemy związane z wyborem wartości współczynnika tarcia ubrania pieszego o nawierzchnię drogi. Przedstawiona analiza może być przydatna w rekonstrukcji wypadku, w którym samochód najeżdża na pieszego.
Generating the pressure to control the gear ratio of a continuously variable transmission in a car
Authors: Radzymiński Bartosz , Goszczak Jarosław
Published: October 2022

Bezstopniowe przekładnie stosowane w skrzyniach biegów, poprzez zastosowanie automatycznej regulacji przełożenia, pozwalają na zmniejszenie udziału kierowcy w procesie kontrolowania układu napędowego podczas prowadzenia samochodu, a poprzez swoją elastyczność pozwalają na pracę silnika spalinowego w obszarze największej sprawności. Ponadto mogą one być wykorzystane w hybrydowych układach napędowych z zastosowaniem mechanicznego akumulatora energii. Znalezienie w literaturze empirycznych zależności uwzględniających działanie rożnych sygnałów zakłócających pracę skrzyni biegów wyposażonej w bezstopniową przekładnię było bardzo trudne, dlatego zadaniem przeprowadzonych badań było stanowiskowe zbadanie wpływu tychże sygnałów oraz określenie charakterystyk umożliwiających sterowanie ciśnieniami w siłownikach kół pasowych przekładni dla uzyskania potrzebnego przełożenia i zdolności przeniesienia momentu obrotowego. Badania przeprowadzono na stanowisku badawczym mogącym symulować zachowanie silnika spalinowego oraz opory ruchu samochodu w warunkach ustalonych i w stanach przejściowych. W efekcie uzyskano charakterystyki umożliwiające sterowanie ciśnieniem w siłownikach kół pasowych oraz poznano wpływ temperatury oraz prędkości obrotowej kół pasowych. Przy okazji sprawdzania zakłócającego wpływu temperatury zauważono, iż jej wpływ na właściwości oleju nie jest kluczowy. Największy wpływ ma ona na funkcjonowanie elektrozaworów, odpowiedzialnych za proces regulacji oraz utrzymywania ciśnienia. Następnie mając możliwość sterowania ciśnieniami w siłownikach kół pasowych, utworzono mapy.
The project of shoulder of the suspension system for autonomous platform
Authors: Lubikowski Kamil , Radkowski Stanisław
Published: October 2022

Artykuł opisuje projekt ramienia układu zawieszenia autonomicznej platformy ratunkowej. Ramie jest zaprojektowane jako część całego układu zawieszenia pracującego w systemie modułowym pozwalającym na łatwy montaż i demontaż kół z zawieszenia. Projekt opisany w publikacji jest kontynuacją rozprawy naukowej zatytułowanej Projekt elementów układu zawieszenia platformy samojezdnej sterowanej zdalnie napisanej przez jednego z autorów pod nadzorem profesora Stanisława Radkowskiego. Ramie zawieszenia zostało zaprojektowane w programie 3D. W artykule opisano dobór materiału oraz ustalono masę ramienia. Dokonano symulacji wytrzymałościowych pod obciążeniem w programie SolidWorks i Ansys. Ponadto w artykule przedstawiono propozycję modułowego rozwiązania szybkiego montażu i demontażu zawieszenia. Dobrano zainstalowane silniki elektryczne w obręczach koła platformy autonomicznej. Element zawieszenia jest zaprojektowany na wzór korby rowerowej, który przenosi siły ciężkości w trakcie przemieszczania sie platformy wraz z obciążeniem.
Determination of the multiaxial motor vehicles steering qualities characteristics
Authors: Nogowczyk Paulina , Pieniążek Wiesław , Szcześniak Grzegorz
Published: October 2022

Podstawowy wskaźnik kierowalności samochodu, gradient podsterowności, jest wyznaczany na podstawie zależności zmian kąta obrotu kierownicy w funkcji przyspieszenia poprzecznego pojazdu. Członem odpowiedniego wzoru obliczeniowego jest tzw. porównawczy, dynamiczny kąt skrętu koła, w którym, dla pojazdów wieloosiowych, występuje tzw. ekwiwalentny rozstaw osi Le, zastępczego pojazdu dwuosiowego. W pracy przeanalizowano metody wyznaczania tego parametru. Wykorzystano zastępczy, rowerowy model pojazdu, z ekwiwalentnym rozstawem osi Le., do którego można sprowadzić płaski model pojazdu wieloosiowego. Przedstawiono i porównano dwie, analityczne metody obliczeń, które zilustrowano konkretnymi przykładami liczbowymi. Rozważania przedstawione w pracy mogą być wykorzystane do wspomagania obliczeń przy analizie badania kierowalności trzyosiowych i czteroosiowych pojazdów specjalnych, w tym także kołowej Kołowej Platformy Wysokiej Mobilności (KPWM) – prototypowego pojazdu uniwersalnego zastosowania.
Research of individual factors affecting the engine power while a passenger car operation
Authors: Šarkan Branislav , Stopka Ondrej , Chovancová Mária , Rybicka Iwona , Kapustina Larisa M.
Published: October 2022

Power of any kind of a car engine is considered to be one of the basic factors in order to choose or assess vehicles equipment or its appropriateness. It influences several operation properties including car maximum velocity, car acceleration, etc. A car producer shall issue the data about an engine power of a car in a form of its technical attributes, nevertheless an engine power specification is also stated in a car registration certificate. Engine power may be defined as the maximum engine output at given revolutions of an engine, i.e. maximum engine power. In most of cases of cars operation, various situations may occur in order to specify the maximum engine power value. This study addresses the issue of determining individual factors affecting the engine power while a passenger car in operation, i.e. testing the engine power on the single roller bench and related particular analysis.
Changes in landscape pattern and ecological service value as land use evolves in the Manas River Basin
Authors: Du Yongjun , He Xinlin , Li Xiaolong , Li Xiaoqian , Gu Xinchen , Yang Guang , Li Wanjing , Wu Yage , Qiu Jun
Published: October 2022

The Manas River Basin is located in the inland arid area of China. It has a unique natural environment that contains a mountain, oasis, and desert complex ecosystem. Changes in land use type have had significant impacts on the social, economic, and ecological environment in the basin. Based on the remote sensing interpretation data of land use types from 1980 to 2020 in the Manas River Basin, using ArcGIS 10.2 and Fragstats 4.2 and other software to study the temporal and spatial evolution of land use, landscape pattern, and ecological service value (ESV) in the Manas River Basin, several key results were obtained. (1) Unused land accounted for the largest proportion of the total area at about 44%, and the smallest proportion was construction land at 1%, the construction land and farmland areas increased significantly to 82.16 and 34.87%, while the woodland and grassland area decreased to 15.06 and 14.34%, respectively. (2) Between 1980 and 2020, the inflows and outflows of the quantitative transfer tracks for farmland, grassland, and unused land were highly dominant, but the frequent conversion among various types of land led to the transfer tracks becoming more diversified. (3) From 1980 to 2020 the complexity and fragmentation of landscape in the basin decreased, and the heterogeneity, differences, and connectivity of the landscape increased. (4) The ESV of the Manas River Basin had a tendency to initially decrease and then increase, which increased from 237.27 × 108 yuan in 1980 to 238.10 × 108 yuan in 2020. The above research results can not only provide a basis for the ecological improvement of the Manas River Basin but also provide a reference for the study of other basins/regions in arid areas.
Some new fixed point theorems for nonexpansive-type mappings in geodesic spaces
Authors: Shukla Rahul , Panicker Rekha
Published: October 2022

In this article, we present some new fixed point existence results for nonexpansive-type mappings in geodesic spaces. We also give a number of illustrative examples to settle our claims. We study the asymptotic behavior of Picard iterates generated by these class of mappings under different conditions. Finally, we approximate the solutions of the constrained minimization problem in the setting of Cartan, Alexandrov, and Toponogov (CAT(0)) spaces.
On stochastic accelerated gradient with convergence rate
Authors: Zha Xingxing , Zhang Yongquan , Cheng Yiyuan
Published: October 2022

This article studies the regression learning problem from given sample data by using stochastic approximation (SA) type algorithm, namely, the accelerated SA. We focus on problems without strong convexity, for which all well-known algorithms achieve a convergence rate for function values of

O

(

1

/

n

)

O\left(1\hspace{0.1em}\text{/}\hspace{0.1em}n)

. We consider and analyze accelerated SA algorithm that achieves a rate of

O

(

1

/

n

)

O\left(1\hspace{0.1em}\text{/}\hspace{0.1em}n)

for classical least-square regression and logistic regression problems, respectively. Comparing with the well-known results, we only need fewer conditions to obtain the tight convergence rate for least-square regression and logistic regression problems.
Multiple periodic solutions for discrete boundary value problem involving the mean curvature operator
Authors: Wang Zhenguo , Li Qiuying
Published: October 2022

In this article, by using critical point theory, we prove the existence of multiple

T

T

-periodic solutions for difference equations with the mean curvature operator:

−
Δ

(

ϕ

c

(

Δ
u

(

t
−
1

)

)

)

+
q

(

t

)

u

(

t

)

=
λ
f

(

t
,
u

(

t

)

)

,

t
∈
Z
,

-\Delta ({\phi }_{c}\left(\Delta u\left(t-1)))+q\left(t)u\left(t)=\lambda f\left(t,u\left(t)),\hspace{1em}t\in {\mathbb{Z}},

where

Z

{\mathbb{Z}}

is the set of integers. As a

T

T

-periodic problem, it does not require the nonlinear term is unbounded or bounded, and thus, our results are supplements to some well-known periodic problems. Finally, we give one example to illustrate our main results.
High-temperature treated TiO2modified with 3-aminopropyltriethoxysilane as photoactive nanomaterials
Authors: Sienkiewicz Agnieszka , Kusiak-Nejman Ewelina , Wanag Agnieszka , Aidinis Konstantinos , Piwowarska Danuta , Morawski Antoni W. , Guskos Niko
Published: October 2022

A series of titanium dioxide (TiO2) modified with 3-aminopropyltriethoxysilane (APTES) was prepared by high-temperature calcination in an argon atmosphere in the temperature range from 800 to 1,000°C. The properties of the obtained samples were compared with those of pure TiO2annealed under the same conditions. Examining electron paramagnetic resonance (EPR) parameters at room temperature for APTES–TiO2showed an intense resonance line from defects related to conducting electrons withgefffrom 2.0028 to 2.0026 and 1.9052 for temperatures 800, 900, and 1,000°C, respectively, while for pure calcined TiO2, these ERP lines were not observed. With the increase in the calcination temperature to 900°C for APTES–TiO2samples, the EPR increases linearly. This has been combined with a relatively high anatase content and small crystallites. The EPR line intensity at RT calculated for 1 g of sample showed an almost linear relationship with the photoactivity in removing ORANGE II dyes from water.
Geht Tourismus alle an? Teilnahme der deutschen Gemeinden am Übernachtungstourismus
Authors: Schmücker Dirk , Reif Julian
Published: October 2022

Die Interaktion von Tourist:innen und Einheimischen und damit die Akzeptanz von Tourismus ist verstärkt in den Blick von Tourismusforschung und Destinationspraxis geraten. Studien zeigen, dass fehlende Tourismusakzeptanz ein punktuelles Problem ist und dass die Übernachtungsintensität einen Einfluss auf die Reaktion von Einheimischen hat. Bislang fehlen jedoch flächendeckende Daten zur Übernachtungsintensität und -konzentration der Gemeinden in Deutschland. In dieser Studie werden erstmals die statistisch erfassten Übernachtungsangebote und zusätzlich die Angebote in den Buchungssystemen von Airbnb und Fewo-direkt mit dem Ziel zusammengeführt, eine gemeindescharfe Abbildung der Übernachtungskonzentration und -intensität zu erarbeiten. Die Ergebnisse zeigen zum einen, dass 81 % der Gemeinden in Deutschland übernachtungstouristische Angebote vorhalten. In diesen Gemeinden leben 98 % der Einwohnerinnen und Einwohner. Tourismus geht also fast alle an. Die Ergebnisse zeigen außerdem, dass Privatvermietungen nicht zu einer Entzerrung der räumlichen Konzentration führen, das Konzentrationsmaß ist bei Privatvermietungen höher als bei statistisch meldepflichtigen Betrieben.
Coragyps atratus (BECHSTEIN, 1793)
Authors: Caetano dos Santos Carolina , Soares Martins Natália , Patron da Motta Sara , Siqueira Silveira dos Santos Luciana , Roberto Silveira dos Santos Paulo , Lopes Ruas Jeronimo , Amélia da Rosa Farias Nara
Published: October 2022

Coragyps atratus is a species of New World vulture belonging to the Cathartiformes order. Its geographical distribution comprises urban areas from the South of North America, Central America, and South America to Tierra del Fuego in Argentina. This species is increasingly adapted to live close to human concentrations, benefiting from the food supply due to the incorrect disposal of organic waste, therefore, these factors contributed to the population increase. C. atratus are common near urban areas and can lead to several problems, such as damage to urban architecture, including historic buildings. However, C. atratus provides invaluable ecosystem services, increasing the flow of nutrients through food chains and reducing the transmission of infectious diseases through carcass removal. C. atratus uses a mosaic of habitat types to build its nests, even in urban environments. We describe here an unconventional case of nesting by C. atratus in a building in an urban area in the municipality of Pelotas, Rio Grande do Sul, Brazil.
LEISHMANIOSE VISCERAL EM CÃES NO BRASIL
Authors: Rocha da Silva Renata , De Souza Silva Anita , Lima dos Santos Priscila , Nunes de Santana Campos Roseane
Published: October 2022

A leishmaniose visceral no Brasil é uma antropozoonose causada pelo protozoário Leishmania infantum e transmitida principalmente pelo repasto sanguíneo do flebotomínio Lutzomia longipalpis. Estudos têm demonstrado aumento da incidência da doença no país. Os cães apresentam um importante papel no ciclo de transmissão da leishmaniose visceral, sendo considerado o principal reservatório doméstico do parasita, pois apresentam um grande parasitismo cutâneo favorecendo a infecção do flebótomo e, além disso, a maioria dos cães produz uma resposta imune não protetora para a doença. Estes animais podem apresentar ou não sinais clínicos, porém a maioria das manifestações clínicas é sistêmica, caracterizando a doença como crônica e generalizada. O diagnóstico laboratorial da leishmaniose visceral canina pode ser efetuado através de técnicas parasitológicas, imunológicas e ainda testes que empregam recursos de biologia molecular. Apesar do cão não desenvolver a cura para a enfermidade, foi publicado recentemente protocolos de tratamento para diminuir a carga parasitária no organismo do animal e controlar os sinais clínicos apresentados pela doença. As medidas de controle devem ser constantemente analisadas e divulgadas, a fim de promover uma maior conscientização da população. Assim, este trabalho teve como objetivo apresentar uma revisão bibliográfica sobre a leishmaniose visceral canina no Brasil.
UTILIZAÇÃO TERAPÊUTICA DAS CÉLULAS PROGENITORAS ADULTAS MULTIPOTENTES ALOGÊNICAS NO TRATAMENTO DE CANINOS ACOMETIDOS POR UM QUADRO DE APLASIA MEDULAR EM DECORRÊNCIA DA DOENÇA RENAL
Authors: Jardim Clemente Santos Enrico , Mazzeo Angela , Landim Braga Camila
Published: October 2022

A aplasia medular tem por característica apresentar um quadro laboratorial no qual a medula do paciente passa a ser constituída por uma taxa de celularidade inferior a 10%. O exame de mielograma tende a apresentar uma redução significativa ou mesmo ausência das linhagens eritroide, mieloide e megacariocítica. O quadro de aplasia medular pode ter origem em diversos fatores, como doença renal crônica (DRC), uma síndrome caracterizada pelo comprometimento do metabolismo renal, que ocorre de forma dinâmica e progressiva, culminando na perda das funções fisiológicas dos rins. As células progenitoras adultas multipotentes (CPAMs), presentes em todos os tecidos que constituem o organismo, têm como caracteríticas principais o seu potencial de autorrenovação e diferenciação celular. Neste estudo, nove caninos sem distinção de raça e sexo, com idades entre três e 12 anos, acometidos por um quadro de aplasia medular decorrente da DRC, foram submetidos a ação terapêutica das células progenitoras adultas multipotentes de tecido adiposo canino (CPAMs-TAC), oriundas de um animal doador saudável. Foram realizadas três infusões pelas vias endovenosa ou intramedular, com intervalo médio de 30 dias, sem efeitos adversos aparentes, tendo sido observada uma melhora clínica, ganho de apetite e aumento da disposição após a primeira aplicação. Os pacientes demonstraram uma significativa melhora da função renal, assim como a recuperação do quadro de aplasia medular, uma vez que os dados hematológicos demonstraram a normalização das linhagens medulares. Conclui-se que a terapia com as infusões das CPAMs-TAC resultou em uma satisfatória recuperação dos cães acometidos pelo quadro de aplasia medular.
Continuous glucose monitoring reveals a novel association between duration and severity of hypoglycemia, and small nerve fiber injury in patients with diabetes
Authors: Gad Hoda , Elgassim Einas , Mohammed Ibrahim , Alhaddad Ahmad Yaser , Ahmed Hussein Zaky Aly Hussein , Cabibihan John-John , Al-Ali Abdulaziz , Sadasivuni Kishor Kumar , Haji Aliyaa , Lamine Neila , Khan Adnan , Petropoulos Ioannis N , Ponirakis Georgios , Kalteniece Alise , Ferdousi Maryam , Azmi Shazli , Alam Uazman , Abuhelaiqa Wajeeha , Jayyousi Amin , AlMohanadi Dabia , Baagar Khaled , Malik Rayaz A
Published: October 2022

Objective

Continuous glucose monitoring (CGM) has revealed that glycemic variability and low time in range are associated with albuminuria and retinopathy. We have investigated the relationship between glucose metrics derived from CGM and a highly sensitive measure of neuropathy using corneal confocal microscopy in participants with type 1 and type 2 diabetes.

Methods

A total of 40 participants with diabetes and 28 healthy controls underwent quantification of corneal nerve fiber density (CNFD), corneal nerve branch density (CNBD), corneal nerve fiber length (CNFL) and inferior whorl length (IWL) and those with diabetes underwent CGM for four consecutive days.

Results

CNBD was significantly lower in patients with high glycemic variability (GV) compared to low GV (median (range) (25.0 (19.0–37.5) vs 38.6 (29.2–46.9); P = 0.007); in patients who spent >4% compared to <4% time in level 1 hypoglycemia (54-69 mg/dL) (25.0 (22.9–37.5) vs 37.5 (29.2–46.9); P = 0.045) and in patients who spent >1% compared to <1% time in level 2 hypoglycemia (<54 mg/dL) (25.0 (19.8–41.7) vs 35.4 (28.1–44.8); P = 0.04). Duration in level 1 hypoglycemia correlated with CNBD (r = –0.342, P = 0.031). Duration in level 1 (181–250 mg/dL) and level 2 (>250 mg/dL) hyperglycemia did not correlate with CNFD (P > 0.05), CNBD (P > 0.05), CNFL (P > 0.05) or IWL (P > 0.05).

Conclusions

Greater GV and duration in hypoglycemia, rather than hyperglycemia, are associated with nerve fiber loss in diabetes.
Venture Debt
Authors: Ulmer Thomas , Pape Ulrich
Published: October 2022

Venture Debt ist eine innovative Form der Fremdfinanzierung. Durch Kombination von Venture Capital Investments, Patenten und Aktienoptionsscheinen bietet diese neue Finanzierungsform Start-ups bereits früh die Möglichkeit zur Aufnahme von Fremdkapital. Der große Vorteil von Venture Debt im Vergleich zur Eigenkapitalfinanzierung besteht darin, dass Start-ups keine Eigentumsrechte abgeben müssen.
Die neue Grundsteuerreform in Deutschland - Ein Überblick mit Beispielsrechnung
Authors: Rossmanith Jonas
Published: October 2022

Mit seinem Urteil vom 10.04.2018 hat das Bundesverfassungsgericht in Karlsruhe die Vorschriften zur Einheitsbewertung für die Bemessung der Grundsteuer aufgrund eines Verstoßes gegen Art. 3 Abs. 1 Grundgesetz für verfassungswidrig erklärt. Mit dem wertabhängigen Verfahren, dem Bundesmodell, wurde eine Möglichkeit geschaffen, die Grundsteuerreform umzusetzen. Eine Herausforderung der neuen Gesetzesregelung wird aber sein, mehr als 35 Millionen Grundstücke in Deutschland neu zu bewerten.
Influence of treatments on the mechanical and thermal properties of sugar palm fibre reinforced phenolic composites
Authors: Rashid Bushra , Leman Zulkiflle , Jawaid Mohammad , Ghazali Mariyam J. , Ishak Mohamad R.
Published: October 2022

Sugar palm fibre (SPF) was used to prepare composites with phenolic resin. The SPF underwent treatment with either sea water for 30 d or a 0.5% alkaline solution for 4 h. The composites contained 30% (vol.) SPF in a powdered form, and the composite samples were fabricated by a hot press machine. The effects of the fibre treatments on the mechanical (flexural, impact, and compressive), thermal, and morphological properties of the composites were analyzed. The SPF treatments considerably improved the mechanical properties of the composites compared with the untreated composite. The alkaline treatment resulted in the most improved flexural and impact strength of the composites. In contrast, the sea water treatment had the best results for improving the compressive strength. Morphological analyses indicated that the surface treatments improved the fibre-matrix bonding. The thermal degradation analysis showed that both the sea water and alkaline treatments of the SPF slightly affected the thermal stability of the composites. Consequently, SPF can be effectively used as an alternative natural fibre for reinforcing bio-composites.
Hydrothermal treatments applied to agro- and forest-industrial waste to produce high added-value compounds
Authors: Vallejos María E. , Felissia Fernando E. , Area María C.
Published: October 2022

Agro- and forest-industrial wastes are abundant and low cost sources of carbohydrates and phenolic compounds, which can be converted into biofuels, biomaterials, and high added-value compounds by different pathways in small and large biorefineries. The development of technologies based on hydrothermal treatments could improve the utilization of lignocellulosic wastes through the separation of its components (cellulose, hemicellulose, lignin, and extractives) in sequential processes. The adopted technologies for the separation and conversion of these lignocellulosic wastes into synthesis intermediates or products of high added value represent an important part of the total production cost. Low liquid to solid ratios and mild temperatures in the pre-treatment are interesting ways of reducing energy costs, subsequently economizing both steam and electricity. This work focuses on the advantages of using low liquid to solid ratios in the hydrothermal treatment of different agro- and forest-industrial wastes, paying particular attention to the performance of separation, purification, and conversion of hemicelluloses.
Investigating the potential of using waste newspaper to produce environmentally friendly fiberboard
Authors: Luo Peng , Yang Chuanmin , Wang Tao , He Yan
Published: October 2022

Waste newspapers (WNPs), composed of mostly wood fibers and small amounts of inorganic fillers and printing ink, are a low-cost, abundant, and readily available form of household waste. Urea formaldehyde (UF) resin is used routinely to produce wood-based panel boards even though it releases harmful formaldehyde. The best way of resolving this issue is to use formaldehyde-free adhesives from renewable resources. Kraft lignin, a readily available, low-cost, and renewable waste product from the pulping industry, is used mainly as a fuel. Kraft lignin has good bonding ability to wood-based panel boards and improves water resistance. In this research, fiberboards were produced using a dry-processing method from recycled WNPs and bonded with kraft lignin instead of UF. The physical and mechanical properties of the produced fiberboards were evaluated. The results showed that the hot press temperature and kraft lignin content remarkably influenced the physical and mechanical properties of the fiberboards. As the hot press temperature and kraft lignin content increased, the overall performance of the fiberboards improved accordingly. The results indicate that WNPs could be a potential sustainable resource for fiberboards production.