bluuebunny/crossref_metadata_2025 huggingface dataset:
Influence of temperature on the process of obtaining coumarone-indene-carbazole modifier of road oil bitumens
Authors:   Lviv Polytechnic National University, Prysiazhnyi Yu. , Borbeyiyong Guri Isaiah ,   Lviv Polytechnic National University, Pyshyev S. ,   Lviv Polytechnic National University, Korzh D. ,   Lviv Polytechnic National University
Published: June 2022

A narrow coumarone-indene fraction was obtained from liquid coal coking products. Based on this fraction and carbazole's presence, coumarone-indene-carbazole resin (CICR), a new type of kooligomers, was synthesized by ionic polymerization, which is proposed to be used as an adhesive modifier of road oil bitumens. The influence of temperature on the process of CICR synthesis, its quality, and characteristics of bitumen modified by it were studied.
DETERMINATION OF THE PATTERN OF DUST AND AIR FLOW MOVEMENT IN VORTEX MECHANISM
Authors:   Ternopil Ivan Pulyj National Technical University, Kaspruk Volodymyr , Balaban Stepan ,   Ternopil Ivan Pulyj National Technical University, Yarosh Yaroslav ,   Poliskyy National University
Published: June 2022

At present, the problem of air pollution is a serious environmental problem that negatively affects the living conditions and health of people. The composition of atmospheric air in large industrial and urban agglomerations depends on the type of production and the level of its technology. A promising method of improving dust collectors is the creation of dust collectors, where the principles of operation of several devices are implemented.
A coupled compressible two-phase flow with the biological dynamics modeling the anaerobic biodegradation process of waste in a landfill
Authors:   University of Haute-Alsace, University of Strasbourg, France, Belhachmi Z. , Mghazli Z. ,   Ibn Tofail University, Equipe d’Ingénierie Mathématique (EIMA), Laboratory: EDP, Algèbre et Géométrie Spectrale, Kénitra, Morocco, Ouchtout S. ,   University of Haute-Alsace, France; Ibn Tofail University, Equipe d’Ingénierie Mathématique (EIMA), Laboratory: EDP, Algèbre et Géométrie Spectrale, Kénitra, Morocco
Published: June 2022

In this article, we present and study a new coupled model combining the biological and the mechanical aspects describing respectively the process of the biogas production and the compressible two-phase leachate-biogas flow during the anaerobic biodegradation of organic matters in a landfill, which is considered a reactive porous medium. The model obtained is governed by a reaction-diffusion system for the bacterial activity coupled with a compressible two-phase flow system of a non-homogeneous porous medium. We carry out the analysis and the numerical approximation of the model within a variational framework. We propose a full discrete system based on a second-order BDF-time scheme and P1-conforming finite element and we derive an efficient algorithm for the coupled system. We perform some numerical simulations in 2D and 3D examples in agreement with the theoretical analysis.
THE ART OF MODERN STAINED GLASS IN THE ARCHITECTURE OF CHURCHES OF UKRAINE
Authors:   Lviv Politechnic National University, Department of Design and Fundamentals of Architecture, Bogdan Zadorozhny
Published: June 2022

An important place in modern art culture is occupied by the stained glass art of modern temples. Particular attention is drawn to the stained glass compositions of sacred buildings, which impress with their aesthetics, composition, colors, and artistic expression. Ukraine has formed its own special traditions of stained glass work in the decoration of temples. The use of stained glass, made by modern various technologies by artistic processing of glass in combination with other types of decorative finishes create a special emotional worldview in a modern church. In the process of studying modern stained glass windows in the decoration of temples, their manufacturing technology, compositional solution, color scheme were analyzed and the main features of the artistic image were identified. The study of modern stained glass windows of sacred buildings makes it possible to determine the features of Ukrainian stained glass art and its national decoration Analyzing the stained glass windows of modern church buildings as a form of monumental and decorative art, it can be argued that the process of formation of church art was influenced by both Ukrainian traditional manufacturing technologies and European cultural factors, including artistic language, composition, colors and performance technologies. It is worth noting that the modern art of monumental stained glass has its own artistic, constructive and technical, and technological features. It is safe to say that modern stained glass compositions of temple buildings, made by advanced modern technologies and techniques, the latest methods of processing sheet glass using new materials and improving the artistic image, impress with their aesthetics, composition, colors, and artistic expression.
DISCIPLINARY IMAGE OF CITY MORPHOLOGY IN URBAN PLANNING
Authors:   Department of Urban Planning, National University ", Yulia Idak ,   Lviv Polytechnic"
Published: June 2022

The morphology of the city is one of the areas of scientific activity that is able to function in the form of independent learning in various fields of knowledge and reflect the most common natural connections and relationships that exist in reality. In urban planning, the morphology of the city should be considered with a clearly defined cognitive object - the material structure of the city, the subject - the content and categories of morphological and theoretical and methodological tools. If the problem of the object and subject of morphology of the city are formulated, then the development of theoretical and methodological tools needs to be solved. Their content is revealed depending on the function that the morphology of the city can perform in the theory of urban planning, characteristics, key properties and tasks that can be solved within it.
IMAGE AND FONT COMPOSITION IN GRAPHIC IDENTIFICATION OF PACKAGING
Authors:   Lviv Polytechnic National University Department of Architectural Design and Engineering, Radomska V , Kostiuk Alina ,   Lviv Polytechnic National University
Published: June 2022

The article highlights the topical problems of searching for new methods of using font and image elements in project design methodology of compositional integrity of graphic identification development for packaging of consumer goods. Research purpose of the article is to outline and investigate the methods of reflecting identification of packaging with the help of author's unique image and font composition. We have analyzed and determined the role of author's unique creative thinking in ensuring the expedient synthesis of shape formation and optimal convenience, stylistic relevance, and marketing successful component for the development of goods packaging in zoo segment. Graphic design can convey almost any information to its recipient by means of signs and images, particularly on the basis of system typography. Successful combination of typography and visual image creates ideas, phenomena or process of real world. Conscious approach and ecological literacy of modern society is focused on the caring attitude to surrounding environment, particularly to protection of animals, which significantly influences production of both food and consumer type of these goods. Supporting element of this retail is always tightly interconnected with method and aesthetics of packaging. It has been discovered that the methodological structure of graphical visual and image language development, particularly author's unique font, has three main stages: 1st stage - rules of font construction; 2nd stage - work on detalization of separate sign; 3rd - work on font phrase and text. Application of individually developed typography in packaging design becomes a powerful means of visualization in objects of packaging and formation of brand awareness features of these goods. Formation of individual compositional patterns or ornamental elements in combination with author's unique font is the powerful compositional method and tool for solving the problem of visual perception of goods. It has been established that to ensure successful packaging design it is necessary to take into account functional and aesthetic characteristics. Therefore, given the specificity, the wide range of graphic possibilities should be focused on determining the method of combining typography and image. In this case, author's unique stylistics occupies dominant place in compositional identification of choice. It has been determined that graphic language of design project is indirectly dependent on the aspects of printing technologies, which designer can successfully use to finish the holistic perception of ready-made product. The task of choosing the successful technique and principle of visual image language of packaging remains the relevant experimental niche for graphic designers.
Workplace Application and Student Skill Acquisition as Part of the 3+1 Education Model in Vocational Schools
Authors: Özkan Tülay , Alan Burcu
Published: June 2022

Human resources, which have strategic importance for businesses, are equally important in increasing the development level of a country. Well-trained qualified human resources contribute to development as well as meeting the needs in the labor market. Thus, universities play a key role in producing a well-qualified workforce. Universities’ updating themselves in line with the market needs and training workforce by cooperating with the industry contributes to the participation of the workforce in the labor market at a level that meets the needs of the market. Besides, it reduces the huge number of the unemployed with a diploma who have knowledge that is useless in business and do not know what to do with this knowledge. The main purpose of education should be to develop skills that will add value to organizations, achieve their goals, and provide sustainable competitive advantage. Its success is possible by supporting theoretical knowledge with practical training. As such, vocational colleges, which have adopted the mission of training intermediate staff for years and have been experiencing various difficulties today, have started to implement a new education model. In the 3+1 education model, which is based on practical training in the workplace, students complete three semesters of theoretical courses and spend the final semester practicing at work. In this study, the effectiveness of the 3+1 education model based on 3-semester lectures and one-semester workplace practice applied in vocational schools is measured. For this purpose, the satisfaction levels of students studying at Burdur Mehmet Akif Ersoy University Vocational School of Social Sciences and the effectiveness of the model were measured through a questionnaire. According to the findings, it was concluded that the 3+1 education model is effective in terms of students, employers, and schools. In general, the study is beneficial in revealing the effectiveness of the 3+1 education model, its benefits for stakeholders, and the problems it brings.
An Analysis of Word Formation of Slang Words Used in Bad Boys for Life Movie
Authors: Maulana Mahdi Annafra , Rosa Rusdi Noor
Published: June 2022

This research was aimed to find the slang words and the word formation process found in Bad Boys for Life Movie. This research was descriptive qualitative research. The data were analyzed by using theory of Yule (2010) and Spolsky (2012). The data were taken from the scripts of Bad Boys Life Movie which was released in 2020. The result of the research showed that there were 82 slang words were found. Out of 10 types word formation processes, there are 7 types of found in this research. They are (40) coinage, (6) borrowing, (14) compounding, (8) blending, (11) clipping, (1) of derivation, and (2) multiple processes. The most dominant word formation process is coinage with occurrence 40 times (48.78%). The second most frequent word formation process used in creating the slang words in this movie is compounding with the occurrence 14 times (13.41%). The least dominant word formation process is derivation with occurrence 1 time (1.22%).
PENERAPAN MODEL PEMBELAJARAN QUANTUM LEARNING UNTUK PENINGKATAN HASIL BELAJAR SISWA KELAS XI TPGM PADA MATA PELAJARAN TEKNIK MERANCANG DENGAN CAM DI SMK NEGERI 1 SUNGAI RUMBAI
Authors: Saputra Java Danilio , Pinat Muhamad Thaufiq , Nurdin Hendri , Irzal Irzal
Published: June 2022

Penelitian ini imendeskripsikan mengenai diterapkannya model Quantum Learning di mata pelajaran TM CAM untuk meningkatkan hasil belajar siswa. Karena selama pengamatan peneliti semasa PLK pembelajaran cenderung kaku dan kurangnya variasi dalam model pembelajaran. Metode yang dipakai adalah Penelitian Tindakan Kelas (PTK) dalam bahasa Inggris Classroom Action Research (CAR). Pelaksanaan penelitian ini berpusat kepada penerapan model Quantum Learning pada kelas XI TPGM di SMK N1 Sungai Rumbai dengan subjek penelitian sebanyak 26 siswa. Berdasarkan data yang diperoleh, persentase aktivitas belajar siswa pada isiklus I sebesar 78,52%, meningkat di siklus II menjadi 88,45% dengan kategori baik sekali. Aktivitas mengajar guru juga terjadi peningkatan, siklus I persentase yang didapat sebesar 91,66%, dan pada siklus II meningkat sebesar 100% yang dikategorikan baik sekali. Hasil belajar isiswa juga terjadi peningkatan, persentase yang diperoleh 69,23% siklus I meningkat menjadi 88,46% siklus II dengan kategori sangat baik. Dilihat dari hasil wawancara yang dilakukan sebelum tindakan, permasalahan yang ditemukan sesuai dengan pengamatan peneliti ketika PLK dan wawancara setelah tindakan dari tanggapan informan mengikhtisarkan model Quantum Learning dapat mengatasi permasalahan tersebut. Jadi dengan menerapkan model Quantum Learning bisa dijadikan acuan dalam meningkatkan hasil belajar untuk mata pelajaran TM CAM di kelas XI TPGM SMK N1 Sungai Rumbai. Sehingga dapat diartikan dengan menerapkan model pembelajaran Quantum Learning dapat meningkatkan hasil belajar siswa.
IMPLEMENTASI AUGMENTED REALITY DALAM MATA PELAJARAN TEKNIK BUBUT DI JURUSAN TEKNIK MESIN SMK MUHAMMADIYAH 1 PADANG
Authors: Nugraha Muhammad Abdi , Syahri Budi , Waskito Waskito , Primawati Primawati
Published: June 2022

Mata Pelajaran Teknik Bubut SMK Muhammadiyah 1 Padang memiliki permasalahan dalam proses belajar – mengajar, yaitu pada era Pandemi COVID – 19 semua proses pembelajaran dilaksanakan melalui daring, maka dari itu disini Penulis mengenalkan aplikasi Augmanted Reality dan ingin mengetahui tanggapan dari siswa SMK Muhammadiyah 1 Padang. Keterbatasan penguasaan ilmu pengetahuan oleh siswa dikarenakan metode belajar yang diggunakan guru cenderung kepada ceramah sehingga menyebabkan siswa menjadi jenuh dan bosan, karena tidak adanya fasilitas pendukung yang baik. Metoda ini mengakibatkan siswa kurang tertarik mengikuti proses pembelajaran. Observasi ini dimaksudkkan untuk mengetahui anggapan siswa kelas XI dan XII tentang pemakaian Augmented Reallity (AR) untuk Bidang Studi Teknik Bubut di Jurusan Teknik Mesin SMK Muhammadiyah 1 Padang. Observasi ini ditujukaan metoda deskriptif yang ditujukkan mendeskriptifkan secara sistematis, fakta dan akurat memakai fakta-fakta. Observasi ini dilaksanakan di bulan Agustus 2021 untuk siswa Jurusan Teknik Mesin SMK Muhammadiyah 1 Padang menggunakkan informan 30 siswa. Teknik sampel yang diggunakkan ialah total sampel yaitu seluruh siswa kelas XI dan XII jurusan teknik mesin SMK Muhammadiyah 1 Padang sejumlah 30 siswa. Kesimpulan penelitian yang dilakukan pada 30 siswa diperoleh nilai pencapaian sebesar 92.5%. kesimpulan data tersebut dapat dirangkum bahwa anggapan siswa mengenai pemakaian Augmented Reallity untuk proses pembelajaran  pada mata pelajaran teknik bubut termasuk dalam kategori sangat baik.
PENGEMBANGAN JOBSHEET BERBASIS PRODUK
Authors: Putra Wahyu Ananda , A Yufrizal , K Arwizet , Nabawi Rahmat Azis
Published: June 2022

Pengembangan media belajar yang baik dapat memotivasi dan membuat siswa lebih giat dalam belajar. Namun pada pelaksanaannya masih terdapat media pembelajaran yang tidak memenuhi syarat, sehingga membuat sistem pembelajaran menjadi tidak efektif. Penelitian yang dilaksanakan bertujuan untuk mengembangkan jobsheet yang teruji kevalidannya, teruji kepraktisannya, dan teruji keefektifannya untuk digunakan pada mata diklat NC/CNC dan CAM. Penelitian pengembangan merupakan jenis penelitian yang akan dipakai. Dengan model pengembangan yang mengacu pada model pengembangan ADDIE. Tahap-tahap ADDIE ini mempunyai lima tahapan. Subjek penelitiannya ialah kelas XI TPM yang berjumlah 30 orang peserta didik. Penelitian dilakukan di Sekolah Menengah Kejuruan Negeri 2 Payakumbuh di semester gasal tahun pelajaran 2021/2022. Pengumpulan data menggunakan lembar validitas, kuesioner kepraktisan dan posttest berupa soal objektif. Uji validasi yang didapatkan dari penilaian validator media adalah 0,890 dan penilaian dari validator materi adalah 0,846 dengan klasifikasi valid. Uji kepraktisan dari pendidik memperoleh tingkat 88,18% dengan klasififikasi sangat praktis dan uji kepraktisan dari jumlah siswa adalah 83,7% dengan klasifikasi juga sangat praktis. Uji keefektifan yang didapatkan setelah penggunaan jobsheet oleh peserta didik adalah 86,67% mencapai KKM sehingga jobsheet dinyatakan efektif. Dapat disimpulkan berdasarkan hasil uji validitas, uji kepraktisan serta uji keefektifan bahwasanya jobsheet sangat praktis, valid dan bisa meningkatkan hasil belajar.
HUBUNGAN FASILITAS BELAJAR TERHADAP HASIL BELAJAR SISWA KELAS X PADA MATA PELAJARAN PEKERJAAN DASAR TEKNIK MESIN (PDTM) DI SMK NEGERI 5 PADANG
Authors: Ariska Dodi , Erizon Nelvi , Arwizet Arwizet , Rahim Bulkia
Published: June 2022

Fasilitas belajar merupakan salah asatu faktor pendukung pembelajaran, fasilitas belajar yang kurang memadai dan tidak layak digunakan membuat proses pembelajaran yang dialami siswa tidak terlaksana dengan baik dan bisa berimbas atas prestasi belajar siswa tersebut, Salah satunya pada mata pelajaran PDTM yang sangat membutuhkan fasilitas dalam pembelajaran yang contoh nya alat dan mesin di workshop, semakin bagus fasilitas belajar membuat semakin bagus juga hasil yang didapat siswa. Tujuan penelitian yaitu untuk mengetahui hubungan fasilitas belajar terhadap hasil belajar siswa kelas X  pelajaran PDTM di SMK N 5 Padang. Penelitian kuantitatif  korelasional yang digunkan pada penelitian ini. korelasional ialah penelitian yang dilaksanakan guna melihat  hubungan antar dua variabel ataupun lebih. Hasil analisis didapat koefisien (r) dari kedua variabel penelititan dengan rhitung 0,778 dan r tabel 0,275 kategori 0,778 > 0,275 , maka Ho diterima. Jadi hipotesis yang diajukan hubungan fasilitas belajar terhadap hasil belajar  diterima dan dari hasil analisis didapar koefisien determinasi seharga 60,5%, jadi kontribusi fasilitas belajar atas hasil belajar sebesar 60,5% yang sisanya disebabkab oleh faktor lain. Hasil analisis data dapat disimpulkan bahwa fasilitas belajar memiliki hubungan positif dan signifikan terhadap prestasi belajar siswa kelas X pada mata pelajaran pekerjaan dasar teknik mesin (PDTM) di smk negeri 5 Padang. Berdasarkan hasil analisis implikasi dari penelitian ini ialah adanya fasilitas belajar sangat berdampak terhadap hasil belajar yang diperoleh siswa sehingga perlunya peningkatan dan perawatan fasilitas pembelajaran agar hasil belajar siswa lebih baik.
Exploration of Machine Learning Forecasting Methods in M4 Competition
Authors:   FSKM UiTM, Hamdan Muhammad Halim , Abdul Rahman Shuzlina
Published: June 2022

There are so many forecasting algorithms and techniques available. The abilities of Data Mining to obtain and gather data from multiple sources is very useful to researcher, practitioner, business and more. From a long list of forecasting algorithms that have been built throughout the years, it will be exhaustive for someone to go through the list one by one to choose which algorithm to use. With M competition established, there are many more new techniques being innovated each time it is organized. This research aims to compare and contrast the machine learning forecasting techniques that are used in M4 Competition, to understand each technique better and to analyse which is the best technique and why. Three machine learning techniques from M4 Competition was chosen to be compared in this research. Each technique is replicated, trained and tested accordingly. M4 competition dataset is used in this research, with 100,000 time series data and multiple data frequency it is enough to replicate the real-world situation. The results indicate that the three techniques have their strength, with RNN+ES technique on top of it. RNN+ES and CNN-TS performed well in relative to Naive2 benchmark, while k-NS model performed the worst. Further research on the datasets and investigation of each model to further improve its capabilities are needed to improve the performance of the model.
Penambahbaikan Kaedah Peramalan Purata Setempat bagi Peramalan Data Siri Masa Aras Sungai di Kawasan Banjir
Authors: Mashuri Adib , Adenan Nur Hamiza ,   Jabatan Matematik, Fakulti Sains dan Matematik, Universiti Pendidikan Sultan Idris, Abd Karim Nor Suriya , Tarmizi Rawdah Adawiyah , Abd Hamid Nor Zila , Adenan Mohd Shahriman
Published: June 2022

Aras air yang agak tinggi, tidak menentu dan melebihi tebing sungai adalah penyebab kepada bencana banjir. Ini memberi kesan kepada berlakunya banjir di kawasan pinggir sungai akibat daripada paras air yang tidak menentu. Kajian ini menggunakan data siri masa di Sungai Dungun, Terengganu bermula daripada April 2009 hingga Mei 2010 melibatkan bacaan paras air yang melebihi paras bahaya. Tujuan kajian ini adalah untuk mengesan kehadiran telatah kalut dan dan seterusnya membuat peramalan aras air sungai di Sungai Dungun. Pengesanan kehadiran telatah kalut adalah dengan menggunakan kaedah plot ruang fasa dan kaedah Cao. Manakala, peramalan aras air dilakukan menggunakan kaedah penambahbaikan kaedah peramalan purata setempat (penambahbaikan KPPS). Hasil kajian menunjukkan telatah kalut hadir dengan menggunakan kaedah plot ruang fasa dan kaedah Cao. Hasil peramalan menunjukkan bahawa kaedah penambahbaikan ini dapat memberikan hasil peramalan yang cemerlang dengan nilai pekali korelasi melebihi 0.999000. Perbandingan hasil peramalan turut dilaksanakan dengan menggunakan kaedah peramalan purata setempat (KPPS) pada data yang sama. Hasil perbandingan ketepatan peramalan menunjukkan bahawa kaedah penambahbaikan KPPS adalah lebih tepat berbanding peramalan menggunakan kaedah KPPS dengan peningkatan ketepatan hasil peramalan sebanyak 1.77%. Oleh itu, kaedah penambahbaikan KPPS ini adalah sesuai dan dicadangkan untuk digunakan dalam meramal data siri masa aras air sungai di kawasan banjir dan seterusnya memberi manfaat kepada pihak berkuasa tempatan yang bertanggungjawab bagi memberikan amaran awal bencana banjir di kawasan terlibat.
Enhancement of Gielis’ Supershapes in Generating Nature Motifs
Authors: Kechil Rafizah , Abdul Razak Noor 'Aina , Mohamed Siti Asmah ,   Department of Computer and Mathematical Sciences, Universiti Teknologi MARA Cawangan Pulau Pinang, Ahmad Shukri Fuziatul Norsyiha
Published: June 2022

Nature motifs have played an important role in designing and generating most products such as jewellery, fashion, furniture, textile, or visual arts. The designers may translate their ideas by using the mathematical equations to design the products inspired by the nature motifs. One of the mathematical equations that can be used in creating or designing nature motifs is the Gielis’ Supershape (GS). This formula has been introduced by Johan Gielis, who is the botanist and mathematician. In this paper, we will discuss the nature motif that can be created by using the GS. We also proposed the enhanced GS and do some comparisons. As a result, it shows that the nature shape created by using the enhanced GS is more impressive compared to the shape created using the original GS.
The Conjugacy Class and Conjugacy Class Graph of Crystallographic Point Groups of Order 12 and Above
Authors:   FSKM, UiTM SEGAMAT, JOHOR, AB Hamid Mohd Halimi
Published: June 2022

In chemistry, crystallographic point group is a set of algebraic groups that maintains at least one point in a fixed position while placing certain restrictions on the rotational symmetries. In this research, the application of group theory and graph theory to the symmetry study of a molecule is presented where the conjugacy classes and conjugacy class graphs of crystallographic point groups of order 12 and above are determined. Conjugacy class is a way of classifying the elements of a group such that two elements a and b are conjugate if there exists an element x and given that xax-1=b. The conjugacy classes obtained are then used to determine the conjugacy class graph in which their vertex set is the set of non-central classes of a group, that is the vertices are connected if the greatest common divisor of the cardinalities of the corresponding vertices is more than one
Evaluation of current landscape architecture approaches in chosen cities in Poland and Slovakia
Authors: Fornal-Pienak Beata , Bihuňová Mária
Published: June 2022

The Paper presents analyses of the strategies and projects that have been implemented and realised in landscape architecture, environmental protection, and sustainable design in the chosen cities in Poland and Slovakia. There are several levels of evaluation: the first one is policy approach (which includes strategic documents, conceptions, plans which have been elaborated), the second one is the level of landscape design and sustainability (including architectural competitions and project realisation) and the third one is public participation (involvement of the public in urban planning, bottom-up initiatives, support of the communities). Ten cities in Poland and ten cities in Slovakia have been chosen. (The Paper brings an overview what are the current topics, with a great emphasis on what are the trends in landscape architecture and what are the obstacles, which need to be overcome.
Green infrastructure in Lviv – example of park zones
Authors: Maksymenko Nadiya , Shpakivska Iryna , Burchenko Svitlana , Utkina Kateryna
Published: June 2022

The combination of negative effects of urbanization and climate change in large cities poses a real threat to environmental, economic, and social stability in the world. The intensification of climate change and the analysis of its negative effects in cities show that climate change causes special threats in cities that are not specific to other types of human settlements. Assessing the vulnerability of urban ecosystems to climate change and planning measures to adapt cities to climate challenges is an important element of spatial infrastructure planning. The goal was to analyze the green infrastructure spatial arrangements on the example of green zones in Lviv. According to the results of field research and analysis of cadastral data, it was determined that most of the green areas are in the municipal property of the city, the only exceptions are the sites of the nature reserve fund of national importance. The total area of parks and squares of the city is more than 1,069 ha, of which 24% are areas of nature reserve. The provision of the urban population with public green spaces is about 14.82 m2.person−1. The green infrastructure is based mainly on objects – cores (e.g. parks and squares). There is also a reserve in the city to expand the boundaries of green areas. The combination of “cores” with green corridors and the use of point objects of green infrastructure will contribute to the continuity of the green spaces network, which in turn will provide more environmental and socio-economic benefits for the population.
Evidence of paucity of residential green spaces from the normalized difference vegetation index (NDVI) in Metropolitan Lagos, Nigeria
Authors: Fadera Williams
Published: June 2022

A Biophillic city reconnects man with nature through green spaces which foster mental and physical productivity. The industrial revolution ushered in a wave of technological deterministic choices at the expense of environmental deterministic processes in the fashioning of cities. The background of this research is set in the urban residential fabric of the metropolitan city of Lagos. This study is relevant because in Lagos metropolis, residential areas have a land use zoning of 52% as opposed to 2.8% for urban open spaces. The research study aims to investigate the greenness index or NDVI of three selected residential estates each representative of the residential densities (low, medium, high) in metropolitan Lagos and its indications for the abundance or dearth of residential greenspaces. The sampling frame was gotten by multi-stage random sampling and the data collection tool used was high-resolution object-oriented imagery. The data analysis made use of geo-referencing ARCGIS and ERDAS IMAGINE software. The results show the Normalized Difference Vegetation index (NDVI) values of the residential estates are low (<0.2) thus revealing residential areas with negligible vegetation. In conclusion, the dearth of green spaces which are physical observed within the residential fabric of Lagos city on a ground truth basis have been substantiated by the results of this research. Therefore, it is important to consider actions to improve the greenness index of the city as well as ensure that peri-urban settlements which are rapidly developing in Lagos city do so in a sustainable manner based on green principles.
Trophic niche overlap between non-indigenous round goby, Neogobius melanostomus, and native fishes in tributaries of the lower Danube River (Bulgaria)
Authors: Uzunova Eliza , Dashinov Dimitriy
Published: June 2022

The recent expansion of the round goby (Neogobius melanostomus) in tributaries of the lower Danube (Bulgaria) prompted assessing potential negative effects on local fish fauna such as competition for food resources. Diet overlap between the round goby and native fishes was analyzed using samples of fishes and macroinvertebrates collected monthly for a one-year period. Significant dietary overlap between N. melanostomus and Barbus petenyi, Perca fluviatilis, Gobio gobio, Vimba vimba, and Neogobius fluviatilis was observed. Dietary overlap in the Iskar River was found to be considerable mainly in the spring months. Conversely, overlap in the Vit River was observed during summer and late fall. The main reason for the overlap noted was the preference for Chironomidae and Hydropsychidae larvae and Gammaridae. The results suggest that there is potential for competition between the round goby and native fish species inhabiting the tributaries of the Danube. Potentially harmful effects on rare, protected fish species in the area are discussed.
Education for Sustainability in the Agriculture and Livestock Sector: Educational Experience in Gibraltar Area (Spain)
Authors: Casanova-Correa Juan , Vargas-Vergara Montserrat , Aragón Lourdes , Gómez-Chacón Beatriz
Published: June 2022

If we are to attain a sustainable future, humanity will need to make drastic changes towards a life based on sustainability in all areas, especially in the economic sector, including food production. The task of educating for sustainability needs to include food producers (farmers and livestock breeders). This article describes an educational experience carried out within the framework of a proposal presented in the “Second Call for Grants to Promote University-Company Projects” at the Technological Campus of Algeciras (Spain). It consisted of conducting in-depth interviews with farmers and livestock breeders, identifying the practices in the daily management of their farms, and having them participate in an education and training event in which they shared their knowledge. It was not an easy task because food producers have systematically been attacked by currents of opinion that blame them for causing greenhouse gas emissions. We adopted an approach based on empathy and on encouraging sustainable food production practices.
Attitudes and Evaluations of the Teachers Towards Distance Education During the COVID-19 Pandemic
Authors: Erten Pinar
Published: June 2022

This study aims to identify the attitudes and evaluations of the teachers towards distance education which has become compulsory due to the COVID-19 pandemic. Both the attitudes towards distance education and the evaluations regarding this application and process were taken with an online survey prepared in this context. The authors have reached the teachers with the help of various applications and collected the data. The study was performed under the mixed method. It has been determined that the teachersí attitudes towards distance education were negative. This study also examines how teachersí attitudes towards distance education differ according to various parameters and it was found that only the teachers with previous distance education experience have a positive attitude. Apart from these, the views of the teachers were also questioned by various means. It was found out that the teachers have both positive and negative attitudes and evaluations, and suggestions were developed in this regard.
Plant invasions in Ukraine
Authors: Zavialova Liudmyla V. , Protopopova Vira V. , Kucher Oksana O. , Ryff Liubov E. , Shevera Myroslav V.
Published: June 2022

We present a comprehensive review of the plant invasions of 42 alien species and their impact on vegetation cover in Ukraine. Among these species, those currently posing the greatest threat to the environment have been identified. The structural features of this group were analyzed. In the life form spectrum the phanerophytes and therophytes are dominant, in the ecological spectrum the mesophytes are dominant, and kenophytes predominate at the time of immigration. Among the examined species, plants of North American origin predominate, agriophytes prevail by their degree of naturalization, and ergasiophytes are predominant by their way of entry. The participation of invasive species in natural and anthropogenic plant communities and biotopes was analyzed. These species are a stable component of grasses, scrub and forest habitats. Most of these invasive plants (33 species) are observed in anthropogenic habitats (I). Slightly fewer species of the studied group prefer habitat types E (25), F and G (22 each), although the largest invasions are observed exactly in these biotopes. Invasive species are characterized by eurytopicity. Four species have the greatest ecological plasticity, each of these is found in six types of habitats: Ailanthus altissima (B, F, G, I, J, H), Amaranthus retroflexus (C, E, F, G, I, J), Opuntia humifusa (B, E, F, G, H, I) and Xanthium albinum (B, C, E, F, G, I). Erigeron canadensis is found in five habitat types (C, E, F, G, I). The studied group is characterized by an insignificant regional specificity of the species composition, high invasive potential and stability of population reproduction.
Assessing Residual Seasonality in the U.S. National Income and Product Accounts Aggregates
Authors: Chen Baoline , McElroy Tucker S. , Pang Osbert C.
Published: June 2022

There is an ongoing debate on whether residual seasonality is present in the estimates of real Gross Domestic Product (GDP) in U.S. national accounts and whether it explains the slower quarter-one GDP growth rate in the recent years. This article aims to bring clarity to this topic by (1) summarizing the techniques and methodologies used in these studies; (2) arguing for a sound methodological framework for evaluating claims of residual seasonality; and (3) proposing three diagnostic tests for detecting residual seasonality, applying them to different vintages and different sample spans of data on real GDP and its major components from the U.S. national accounts and making comparisons with results from the previous studies.
Data Collection Expert Prior Elicitation in Survey Design: Two Case Studies
Authors: Wu Shiya , Schouten Barry , Meijers Ralph , Moerbeek Mirjam
Published: June 2022

Data collection staff involved in sampling designs, monitoring and analysis of surveys often have a good sense of the response rate that can be expected in a survey, even when this survey is new or done at a relatively low frequency. They make expectations of response rates, and, subsequently, costs on an almost continuous basis. Rarely, however, are these expectations formally structured. Furthermore, the expectations usually are point estimates without any assessment of precision or uncertainty.

In recent years, the interest in adaptive survey designs has increased. These designs lean heavily on accurate estimates of response rates and costs. In order to account for inaccurate estimates, a Bayesian analysis of survey design parameters is very sensible.

The combination of strong intrinsic knowledge of data collection staff and a Bayesian analysis is a natural next step. In this article, prior elicitation is developed for design parameters with the help of data collection staff. The elicitation is applied to two case studies in which surveys underwent a major redesign and direct historic survey data was unavailable.
Working Capital Management Policies for Managers to Improve Profitability
Authors: Kandukira Percy
Published: June 2022

Efficient working capital management is a requisite and is crucial for small firms’ profitability. The main reason for most SMEs’ failure is the incompetence of their managers to appropriately control and plan their current liabilities and current assets (Smith, 1973). Keeping in view the SMEs’ difficulties in proper working capital management and the significance of working capital management in profitability, survival and growth of SMEs, this research aims to analyse the association between individual working capital components, corporate governance characteristics and alternate proxies of profitability in SMEs. The study has significance for managers in planning and managing working capital in such a way that they can increase their profitability.
Transformational Consulting – Application of Idiomatic Phrases to Technical and Adaptive Challenges
Authors: Chinoperekweyi Justine
Published: June 2022

There seem to be a dominance of prescriptive models aimed at addressing organizational challenges in a dynamic environment. To what extend do prescriptive, n-step models facilitate transformational growth and development during unsettled time. Due to the realization that most emerging consultants tend to exclusively and excessively rely on certain tools and frameworks, idiomatic phrases, and quotation-based knowledge, the author elaborates the distinction between technical and adaptive challenges (Heifetz, 1998). Unfortunately, most practitioners are guided by idiomatic phrases of the past and as such treat adaptive challenges as technical challenges. The submission is informed by the view that consultants should not adopt approaches or mindsets that try to fit an organization into already prescribed models or patterns of thought. Given organizations as complex adaptive systems, the analysis proffered in this article indicates the need for the customization of idiomatic submissions to context or to the client system. Consulting work should spark curiosity, imagination, and enlightenment in client systems. Blind reliance on idiomatic phrases depletes enduring capabilities in client systems. In dealing with technical and adaptive challenges, consultants need to ensure shifting rather than static mental frameworks when supporting client systems.
A Brief Survey on How Chinese SME Think About Consulting and What would be the Most Promising Way to Cater to that Market
Authors: Klein Guenther
Published: June 2022

The purpose of the article is to gain a better understanding of SME (small to medium enterprise) in China and learn about their understanding of business consulting and whom they currently refer to when it comes to solving business related problems. An online survey was shared via platform and received 206 responses. We can show that most SME owners are not familiar with the concept of “consulting”, while the younger generation resorts to modern channels (WeChat) to gain access to information helping them to steer their business. Unlocking the full potential of this vast market will require new methods, patience and education of the potential clients. There is a chance for foreign consulting firms (except in the public sector) that will require new ways of approaching clients and new forms of delivering “knowledge”.
Developing the National Consulting Index: An Update on How to Estimate the Size of National Management Consulting Sectors
Authors: Haslam Simon
Published: June 2022

The National Consulting Index (NCI) is a means of determining the strength of a national management consulting sector, relative to other countries. It was first created in 2017 following research and analysis conducted by the author and a team at the International Council of Management Consulting Institutes. This paper provides an update to the NCI, taking into account market conditions in the Covid era and using multiple regression to strengthen the NCI formula.

The outputs of the research are a) an update of the NCI formula, showing a higher degree of fit with the data than previously experienced, and b) the ability to provide estimates of MC market sizes for any country where other data points are known. In the case of the NCI calculation outlined in this paper, these data points are Gross Domestic Product, Hofstede Individual-Collective culture, eGovernment index, and the Global Innovation Index.
Usability of Municipal Performance-based Budgets within Strategic Planning in Slovakia: Perception of Elected Local Representatives
Authors: Čajková Andrea , Šindleryová Ivana Butoracová
Published: June 2022

The article aims to present the concept of performance-based budgeting at the local government level with a focus on its importance for strategic management at the local government level. The original intention of introducing programme budgeting, which is clearly linked to performance management and results, was to improve strategic-oriented public management, in particular by focusing on objectives and using performance information as well as performance measures. Much more attention has recently been paid to the importance and use of performance information and performance measures. Based on case studies, the authors analyse the significance of the performance information provided in the newly established performance budgets of municipalities, while the findings were supplemented by a perception of the current situation in the form of semi-structured interviews with elected representatives of selected local governments. The results of the article seek to highlight the advantages of implementing this concept, the appropriate ways and obstacles often encountered, and important recommendations for improving its use, summarised on the basis of more than a decade of experience since the introduction of this budgetary innovation on the basis of legislation as mandatory budgetary policy instruments in Slovakia for all self-governing regions and local governments in municipalities with more than 2,000 inhabitants. This leads to the conclusion of whether PBB, among other approaches, is an option or a real necessity for today’s economic challenges, but at the same time to the actual need for changes in the methodology of this strategic management tool at the local government level.
Implementation of Sustainable Public Procurement in the Rail Transport in the Czech Republic and a Comparison with the Other Members of the Visegrad Group
Authors: Páleníková Markéta , Špetík Ondřej , Páleník Robert , Ilík Jan , Adamík Michal
Published: June 2022

This paper focuses on sustainable public procurement (SPP) and its role in public procurement of the members of the Visegrad Group (Hungarian, Poland, Slovakia, Czech Republic). Sustainable public procurement is a current trend in public purchasing around the world. The European Union’s sustainable development policy, which respects the objectives of the 2030 Agenda, seeks to influence the public procurement policies of the members of the European Union. Every country, including the Visegard Group countries is trying to implement sustainable development criteria in its procurement process and to change legislation.

The aim of this paper is to compare the implementation of public procurement in the Czech Republic with other members of the Visegrad Group (Poland, Slovakia, Hungary) and analyse how the public procurement (tenders) respects the criteria of sustainable public procurement in the case of the selected public procurements (tenders) in rail transport. We analyse the public procurement process and investigate the possibility/appropriateness of using social responsibility criteria in the individual phases of the procurement process (award criteria).

The results show that there are different methods of implementing SPP in the V4 countries. There are significant differences between the regions. Based on the results of our research and analysis of the selected tenders, we concluded that the principle of social responsibility needs to be reflected in all steps, i.e. in the formulation of the subject of the public contract, the preparation of the contractual terms and the selection of evaluation criteria in their qualitative form.
Impact of Qualification and Working Conditions on Civil Servant Pay Levels in Russia
Authors: Shaimardanova Nadezhda
Published: June 2022

The article is devoted to the assessment of qualification and working conditions which influence civil servant pay levels. The paper analyses two groups of measures: qualification and professionalism measures (e.g., level of education, work experience, etc.) and working conditions measures (e.g., work location, working hours, etc.). The empirical base of the research is the survey conducted by the Russian Public Opinion Research Center (VTsIOM) in 2017. The results of the regression analysis show that there are distinctions in measures determining civil servants’ pay differentiation in comparison with the average pay in the economy and with the civil servants’ expected pay. Civil servant pay levels should be more explained by qualification and professionalism than it is now. The research results would be useful for the optimisation of the civil servant pay system in Russia.
The Effect of Academic Discipline on Policy Attitudes: The Case of Czech University Students
Authors: Veselý Arnošt , Soukup Petr
Published: June 2022

While the effect of academic discipline on political attitudes has long been acknowledged, much less is known on how disciplinary background affects policy attitudes. Linder and Peters (1992) argued that attitudes to policy instruments correspond with discipline: lawyers are assumed to tend to be partial to legalistic regulatory instruments, economists to favor economic tools such as loans or taxation. Nevertheless, relevant empirical evidence is almost non-existent. The paper attempts to bridge this gap by comparing policy instruments attitudes in different academic disciplines on a sample of Czech university students (N = 8820). We inquire whether students in different academic fields (with special emphasis on economics, law, education, political science, and mass media/journalism) differ in their political and policy views. In line with previous research, students pursuing economics and law (as well as education) are found to be more right-wing oriented than students of political science and mass media. Students also differ in terms of their overall acceptance of policy instruments, with those of political science being the most accepting of all types of instruments. However, we find little support for the correspondence thesis proposed by Linder and Peters.