bluuebunny/crossref_metadata_2025 huggingface dataset:
Impact of gamma-ray irradiation on capacitance–voltage characteristics of Al2O3/GaN MOS diodes with and without post-metallization annealing
Authors: Aoshima Keito , Horita Masahiro , Suda Jun , Hashizume Tamotsu
Published: December 2020

Atomic layer deposited Al2O3/GaN metal-oxide-semiconductor (MOS) diodes with and without post-metallization annealing (PMA) were irradiated with gamma-rays. Capacitance–voltage measurements were made before and after irradiation to investigate trap formation in Al2O3 films and interface states between Al2O3 and GaN. Negative flat-band voltage shifts were observed. The flat-band voltage shift depends on the Al2O3 thickness, showing different distributions of gamma-ray-induced positive charges for samples with and without PMA. The interface state density of the PMA sample slightly increased after irradiation, but was lower than that of the sample without PMA before irradiation.
A high sensitivity magnetometer via the combination of ultrahigh-Q fiber cavity and frequency-locking technology
Authors: Xing Guohui , Xing Enbo , Tao Yu , Xing Tong , Rong Jiamin , Liu Wenyao , Tang Jun , Liu Jun
Published: December 2020

The optical cavity with high quality factor (Q) has been successfully employed to improve the sensitivity of magnetometer. However, complex system design and tedious data processing hinder the progress of application, since synchronized with other equipments and undergo additional post-processing. To overcome the limitation, we propose a single-loop frequency-locking (SLFL) optomagnetic (OM) signal solution system (SLFL-OMSS). SLFL-OMSS solution obtained a scale factor of 0.17 mV μT−1 and the peak sensitivity is 44.1 fT/Hz1/2 at 200 kHz. SLFL-OMSS reduces the calculating and complexity of the OM sensor system, which provides an efficient way for achieving a high-sensitivity OM sensing.
Spatial Organization Models of Socio-Economic Systems: Experience of Regional Development Strategies
Authors: Suvorova A. V.
Published: December 2020

Aim. The presented study identifies spatial organization models of territorial socio-economic systems based on the experience of strategic planning of spatial transformations in Russian regions.

Tasks. The authors determine the place of spatial aspects of development in each regional socio-economic development strategy by examining the structural features of the document and objectives outlined in the sections on spatial transformation prospects; systematize the experience of strategic modeling of spatial organization by meaningfully analyzing elements of regional strategies related to spatial transformation.

Methods. This study uses general methods of cognition (analysis and synthesis) to examine socioeconomic development strategies of the constituent entities of the Russian Federation, identify and systematize general aspects of spatial transformation guidelines outlined in them.

Results. Regional socio-economic development strategies are categorized by the degree to which spatial transformation issues are addressed. It was found that only 13.4% of documents ignore spatial development. Variations in the directions of spatial transformation outlined in strategies are indicated, and the ratio of the number of documents focusing on different changes is determined (in most documents, there is no clearly defined vision of projected spatial transformations). Four spatial organization models for territorial socio-economic systems are distinguished depending on the underlying vector of strategic transformations (a priority development model for territories with the greatest potential, a model for facilitating the development of lagging territories, a functional zoning model, and a hierarchical spatial organization model).

Conclusions. The results of systematization of spatial organization models proposed by regional socioeconomic development strategies reflect options for optimizing the spatial characteristics of territories (related both to the development of individual spatial elements and to the inclusion of all spatial components into transformation processes) and can be useful for local authorities at different levels when setting spatial transformation goals.
Pengaruh Yang Ditimbulkan Akibat Turunnya Tekanan Kompresi Pada Main Air Compressor Di MT. Kirana Dwitya
Authors: Sallihima
Published: December 2020

Kompresor udara merupakan pesawat bantu yang dapat menghasilkan udara bertekanan yang harus mendapatkan perhatian dan perawatan secara berkala agar main air compressor tersebut dapat beroperasi dengan lancar. Mengingat pentingnya main air compressor di atas kapal maka diperlukan metode yang tepat untuk memecahkan masalah kerusakan yang terjadi pada main air compressor dengan menggunakan metode Fishbone Analysis dan SHEL, dan juga menggunakan metode deskriptif kualitatif untuk mengetahui faktor penyebab, dampak yang terjadi, dan upaya yang dilakukan. Faktor penyebab turunya tekanan kompresi pada main air compressor adalah keausan pada ring piston, kurangnya perawatan filter udara, kebocoran pada katup isap dan katup tekan. Dampak turunnya tekanan kompresi pada main air compressor adalah gagalnya starting M/E, gagalnya starting A/E, dan menganggu proses olah gerak kapal. Upaya untuk mengatasi turunnya tekanan kompresi pada main air compressor adalah melakukan perawatan secara rutin filter udara, membersihkan katup isap dan katup tekan, dan melakukan pengukuran pada ring piston.
Analisis Kepuasan Pelanggan (Penumpang Domestik) Terhadap Kualitas Pelayanan Di Terminal Penumpang Pelabuhan Sri Bintan Pura Tanjungpinang
Authors: Dormawaty Roma , Sijabat Panderaja , Setiawan Muhammad Dimas
Published: December 2020

Pelabuhan Sri Bintan Pura merupakan salah satu pelabuhan yang melayani segala kegiatan yang berhubungan dengan kebutuhan orang yang akan berpergian menggunakan jasa angkutan laut. Penumpang Domestik Pelabuhan Sri Bintan Pura masih merasa kurang puas terhadap pelayanan yang diberikan, seperti lahan parkir yang belum ditata secara bener, antrian panjang masuk dan atau keluar pelabuhan, ruang tunggu terminal penumpang yang masih dalam perbaikan serta fasilitas bagi penyadang disfable yang belum memadai. Masalah yang diteliti adalah bagaimana tingkat kepuasan penumpang (domestik) terhadap pelayanan di terminal penumpang pelabuhan Sri Bintan Pura Tanjungpinang. Kemudian tujuan dilaksanakannya penelitian ini yaitu untuk mengetahui dan menganalisis tingkat kepuasan penumpang terhadap pelayanan di pelabuhan Sri Bintan Pura Tanjungpinang. Metode penelitian yang digunakan adalah kuantitatif dengan teknik analisa data menggunakan Indenx Performance Analysis (IPA) dan Customer Satisfaction Index (CSI). Dari hasil penelitian diperoleh tingkat kepuasan pelanggan berdasarkan Customer Satisfaction Index atas pelayanan yang ada di pelabuhan Sri Bintan Pura Tanjungpinang, diperoleh penumpang domestik di pelabuhan Sri Bintan Pura cukup puas namun belum maksimal atas pelayanan yang di berikan oleh penyelenggara pelabuhan Sri Bintan Pura Tanjungpinang. Hal ini dapat dilihat dari perhitungan hasil diatas rata–rata masih mengkha-watirkan.
Media and education in the pandemic age of COVID-19
Authors: Cappello Gianna , Ranieri Maria
Published: December 2020

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Participation?! Educational Challenges for Young Refugees in Times of the COVID-19 Pandemic
Authors: Fujii Michi Sebastian , Hüttmann Jana , Kutscher Nadia , Friedrichs-Liesenkötter Henrike
Published: December 2020

This article focuses the educational settings in the everyday life of young refugees in the context of distance education under the circumstances of the COVID-19 pandemic in Germany. It explores dimensions and intensifications of education-related digital inequality during this period in formal and non-formal educational settings. Based on ethnographic interviews with teachers, young refugees and social workers, different dimensions of inequality as well as interrelations between informal (leisure), non-formal (child and youth welfare) and formal (school) educational contexts for empowering the educational participation of young refugees, especially regarding online learning, are discussed. The empirical data show that during the period of distance education the specific needs of young refugees are only taken into account to a limited extent and thus increasing risks of exclusion from education emerge. Lack of technical access, media expertise, language skills and personal support turn out to be major challenges in enabling educational participation of vulnerable groups such as young refugees. Therefore, educational policy at federal and national level in Germany needs to outline a scheme on how to meet these challenges by further developing non-formal as well as formal educational support structures.
La scuola dell’Infanzia alla prova dei LEAD: l’esperienza del territorio marchigiano
Authors: Ceccacci Laura
Published: December 2020

The Kindergartens faced an extremely difficult time due to the suspension of face-to-face teaching activities during the health emergency. They were supported by Infancy Commission, who published the document “Pedagogical Guidelines”, with indications for maintaining the relationship through Distance Educational Links (LEADs). They were also supported by territorial training teams for the National Digital School Plan (PNSD). The study was performed during a teachers’ training course in the Marche region, to collect data in order to define the most critical areas in distance learning for younger children. It will promote the next course design. Teamwork teachers emerged as a strength, while critical issues were identified, with reference to the DigCompEdu framework, in the areas: Digital resources, Differentiation and personalization, Responsible use of digital.
A META-ANALYSIS OF PHARMACOLOGICAL AND ALLIED THERAPY IN CHILDREN WITH ADHD
Authors: Khalid Maha , Asif Siddiqui Amina , Javed Chandna Tahoora
Published: December 2020

Attention Deficit Hyperactivity Disorder (ADHD) is a behavioral disorder of childhood, having neurogenic origin. Children with ADHD are characterized by lack of focus and attention on tasks that typically developing children are able to perform. The increased prevalence of ADHD globally may be attributed to increased awareness of the
condition in society, and also its genuine rise in children. The prevalence of children with ADHD at CSLHS estimates to four per month. These children warrant treatment by a team of medical and allied health professionals who are psychologists, neurologists, pediatricians, behavior therapist, occupational and speech-language therapists and remedial educationists. A meta-analysis was carried out to review three clinical trials conducted in developed countries that addressed the efficacy and effectiveness of stimulant and non-stimulant drugs given to children with ADHD, in concomitance with behavior therapy. Medication along with the allied therapy services presented globally better results in the children with ADHD, with fulfilled educational needs and improved quality of life for their families. Appropriate attentional skills, are a key pre-requisite for acquisition and learning of communication skills in all modalities, which manifest a child’s academic success, through childhood and adolescence. Further, children presenting with ADHD are challenged by the dearth of early intervention in developing countries; hence an appropriate combination of pharmacological, behavior therapy along with parent and teacher training can lead to their successful rehabilitation.
FACTORS EFFECTING MOTIVATION AND SATISFACTION OF TEACHERS OF HEARING IMPAIRED
Authors: Aziz Abdul , Saeed Faiza , Saeed Muhammad
Published: December 2020

Objective
This study aimed at investigating motivational factors for improved
job satisfaction of teachers working in special schools for hearing
impaired children in the Punjab province of Pakistan.
Study Design and Sampling Techniques
Being qualitative in its nature, this study explored in depth responses
of teachers selected purposively.
Participants
The participants comprised both genders with a teaching experience
of more than ten years in any educational institute rendering
services for education of hearing impaired students.
Data Collection Tools
Focus group discussions were arranged and a semi structured
interview guide was used to elicit in-depth responses of the participants.
These responses were then transcribed and thematically
analyzed.
Results
Gazetted post, high pay scale, recognition, serving persons with
disability and less working hours came out as the motivating factors,
whereas improper student placement, lack of appreciation from
administration, stress level, low job status, low respect level emerged
as major job dissatisfying factors for the teachers of children with
hearing impairment.
Conclusion
The stakeholders must be aware of top motivational factors and try
to nourish them. Non motivating factors should be minimized for
teachers of hearing impaired children for their retention and
prosperous organizational atmosphere which will ultimately lead to
better student achievement.
VIDEO MODELING FOR CHILDREN WITH ASPERGER SYNDROME OR HIGH FUNCTIONING AUTISM
Authors: Hussain Humaira
Published: December 2020

A multiple case study was conducted over the duration of six
months to assess the effectiveness of video modeling intervention in
teaching social behaviors. A group of 20 children with Asperger
Syndrome or High Functioning Au-tism were selected from mainstream
public school. Each child watched a videotape demonstrating
a targeted be-havior by a typically developing peer or a video
of them-selves modeling the appropriate behavior. The child was
then asked to engage in a social situation demanding the use of
previously taught behavior. A special education teacher, classroom
teacher, and speech-language pathologist rated the child’s
interaction and use of target-ed behaviors. Videos were used to
modify, teach or shape a target behavior for the child to imitate
and learn. For the purpose of this study, three specific behaviors
were taught: teaching compliment giving, initiations, maintain-ing
conversations, and learning and obeying classroom rules. Results of
this study indicated that video modeling is an effective intervention
method in teaching social behav-iors to children on the Autism
Spectrum. All participants showed an increased use of targeted
social behaviors and also attempted to generate behaviors regardless
of target-ed stimuli. Further research in using adults as models
and targeting various social behaviors is warranted

Keywords: Autism, Asperger syndrome, High-Functioning Autism, Social Interaction, Video Model, Social Behaviors
PRESENCE OF DYSPHONIA IN INDIVIDUALS WITH TOURETTE’S SYNDROME
Authors: Hussain Humaira
Published: December 2020

Professionals working in the field of voice disorders have come to
recognize the variability of vocal qualities in different populations.
While voice disorders can be of organic, neurogenic, or functional
etiology, concomitant disorders often directly impact the vocal
features. Such a disorder is Tourette’s Syndrome which is an impairment
characterized by motor and vocal tics. This study examined
the prevalence of voice disorders in individuals with Tourette’s
Syndrome. Research was conducted over the duration of two years
with clientele aged 15;2 to 26;5. Participants were receiving continuous
treatment from a team of neurologist and psychologist at
private clinics situated around a suburban area. Two case studies
consisting of 1-2 individuals were also closely examined to further
distinguish the types of voice disorders present given the severity of
motor and vocal tics. Instrumental and perceptual analysis was
obtained to accurately diagnose the voice disorder. Given the
sample of participants, presence of spasmodic dysphonia and
falsetto were noted. Results of this study indicates a strong presence
of dysphonia in individuals with Tourette’s Syndrome, particularly
spasmodic dysphonia and falsetto. Additionally, dysphonic vocal
qualities were irrelevant to the existence of vocal tics. Further
research with this population is mandated to determine assessment
and treatment strategies
DEVELOPING SPEECH LANGUAGE THERAPY FOR CLEFT LIP AND PALATE IN PAKISTAN
Authors: Asif Siddiqui Amina
Published: December 2020

Cleft lip and palate is a congenital craniofacial anomaly of the oral cavity, where in a structural malformation in the upper jaw including the lip, teeth, alveolus, bony hard palate, soft palate and/or uvula, critically interfere with functions of feeding and speech development. The condition is defined according to its presentation, which may be unilateral or bilateral, with a partial or total cleft, having higher incidence in the Indian sub-continent, including Pakistan, as compared to the rest of the developed world.

A cleft lip/palate warrants early intervention through a multidisciplinary team of health care professionals, namely: pediatrician, plastic surgeon, otorhinolaryngologist; maxillofacial surgeon, dentist, orthodontist, prosthodontist, nutritionist, speech language therapist, and psychologist. Appropriate feeding strategies along with specialized tools may be employed soon after birth to ensure good health in preparation of surgery as early as possible. Speech-language therapy is an essential aspect of intervention, which helps the child develop effective verbal communication skills which is crucial for social and emotional well being, as well as for a successful academic career.
Lessons not learned in Antibiotic Therapy
Authors: I Klepikov
Published: December 2020

The beginning of the COVID-19 pandemic has put practical medicine in critical conditions, exposing the long-overdue problem of the lack of specific care for patients with acute pneumonia (AP). It is possible to foresee in advance that the mention of such concepts as a viral pandemic and AP in one bundle will be perceived by many readers as incorrect and contrary to modern scientific ideas in the section of lung diseases. However, the paradox and one of the main reasons for this situation is precisely the distortion of scientific concepts of AP, which differ from well-known facts and do not take into account the fundamental materials of medical science. As a result, today practical medicine in patients with viral lung damage does not have effective means of providing assistance, being limited to symptomatic medications and auxiliary resuscitation methods.
Risk as an economic category and threats to the financial security of insurance companies
Authors: Bogatyrev Andrey , Borodin Anton
Published: December 2020

The article considers risk as an economic category. The article analyzes

some indicators related to the economic security of insurance companies

as criteria that should be analyzed by employees of the Ministry of internal

affairs of Russia when detecting and solving crimes in the insurance business in the Russian Federation
Adaptive Shape based Interactive Approach to Segmentation for Nodule in Lung CT Scans
Authors: Sathish
Published: December 2020

In lung cancer diagnosis, growth of pulmonary nodule should be detected perfectly. Mostly watershed segmentation methods play a very important role in lung CT images to detect their growth. But this method detection will be ineffective in terms of energy function and speed as well. The proposed modified graph-cut technique is providing the good performing result in the speed and accuracy of the process than the conservative graph cut methods. Also, this research paper is proposed adaptive shape based interactive approach to segmentation for lung CT scan image and provide a more efficient. This proposed algorithm is proving that the energy function of the system is lesser than old methods. In this research paper, applying shape-based technique in segmentation technique has been proposed and proved for better accuracy with low energy function.
THE RELATIONSHIP BETWEEN MACROPLASTIC AND LARGE-MICROPLASTIC ABUNDANCE IN THE NORTHERN COASTAL REGION OF WEST PENINSULAR MALAYSIA
Authors: Anisah Jessica Lee  , Zaity Syazwani Mohd. Odli  , Muhammad Fakruhayat Ab Rashid  , Muhammad Aslam Abdul Aziz
Published: December 2020

Several locations representing recreational area, tourist spots and fish landing grounds were selected in the northern coastal region of Peninsular Malaysia for L-Microplastic (L-MP) data collection. Marine litter samples were collected during HWS and LWN tidal regime. Quadrats of 50 cm x 50 cm were used to collect sediment from surface to 5 cm depth for microplastic analyses. A comparison between macroplastic and L-MP showed a significant relationship with R2 =0.9579 where linear regression computed resulted in y = 26.388x + 0.051, where y: microplastic (kg/m3) while x: macroplastic (kg/m3) for Perlis sampling region. The linear regression obtained for Penang island is y = 0.1248x + 0.0854 with R2=0.9036. Both results showed a significant difference where computed P-values were both <0.05. Findings from Penang island region demonstrated possibility of macroplastic and L-MP abundance relating to tidal condition, where during neap tides more plastics are settled on the beach zone as opposed to during spring tides mainly because of the difference in water volume and movement dynamics. Largest marine litter composition was plastic, followed by fabric and rubber. Although recent plastics used are of biodegradable grades meaning it breaks down into smaller sizes through exposure to sun, hydrolysis and microorganism reactions over time, these L-MP might further degrade to nanoplastic in size. The smallest microparticle reportedly detected in the oceans at the present is 1.6 µm in diameter. Further breakdown of microplastics is imminent and will be difficult to detect as these nano-sized plastics enter the food chain resulting in health risks. Based on this, the UN-SDGs directly affected will be SDGs 3, 6, 12, 14 and 15.

KEYWORDS: microplastic, plastic, marine litter, marine debris, health risk, biodegradable
RETRACTING 1-SIMPLICIAL CHAOTIC GRAPHS WITH DENSITY VARIATION
Authors: ميلاد العــقاب فـتحـية , ميلاد العــقاب ابتسام
Published: December 2020

In this paper we will discuss retraction transformation on chaotic graphs for different cases of density variation, Two types of retraction will be discussed, geometric retraction and chaotic edges retraction, We shall study and discuss the effects of retraction on the shape and density degree of chaotic graphs shown on figures, the adjacent and incidence matrices with be presented. The density character may present many applications in life such as degree of green color in plants, net perturbation resonance, signals in the nerve system and so many, we focus our study on plants, how retraction effects of the degree of green color of plants leaves and shape of the leave its self.
The variation of the density character shows the variation of the degree of green color of plant (i.e. Chlorophyll), so we divided in three cases, the first case when the leave of plant is unit and constant everywhere, or varied from level to level or varied even in the same level line of a plant leave, each case will be discussed for two types of retraction and deduce results for both types.
Detective: Architecture, Architecture, and Urban Transport: Urban View And Urban Movement (LAUTr)
Authors: دنيا خير الدين , عيشور بوجمعة
Published: December 2020

Today, the city has become the theater of various forms of pollution of the different ecological activity of man, which affect our lives.Currently visual pollution is a big problem in a lot of adverse effects on the physical and psychic of the individua.
This will lead us to find solutions to these problems, especially health problems, which can restore the balance between man and his environment.
This research aims to find the causes of pollution and to demonstrate the causes of urban landscape of the city in Algeria in general and urban space in particular through the study of the facade of the districts planning and not planning.Or morphing the different forms of solid and liquid pollution and the appropriation of space and management.
Anticancer Effects & Comparative Study of Thymoquinone, Cordyceps, Spirulina, Ganoderma Lucidium, Poria Cocos, and Lion’s Mane on Human Nasal Cancer Cells (RPMI-2650)
Authors: مزعل موازي سعيد , فائق حسين يحيى , دولاني عبد المنعم , يوسف عبدالله السويدي سيف
Published: December 2020

Recently, many studies have been conducted to discover or improve cancers treatment. The current study aims to investigate the anticancer effect of thymoquinone, cordyceps, spirulina, ganoderma lucidium, poria cocos, and lion’s mane in four different concentrations 4, 8, 16, and 32 ug (equivalent to 1 mg/mL) in two different time treatments (48 and 96 hours) on human nasal epithelial cell line RPMI 2650. By using cell culture cytotoxicity techniques and assay, the highest anticancer effect on RPMI 2650 was obtained by thymoquinone. The lowest anticancer effect was demonstrated by poria cocos and cordyceps. However, these two medications showed higher anticancer effect when given in short-term treatment (48 hours) compared to long-term treatment (96 hours). Ganoderma lucidium and spirulina showed better impact than poria cocos, cordyceps, and lion’s mane in term of cells cytotoxicity. Mild to moderate antineoplastic effect was seen by utilizing lion’s mane treatment compared other drugs. Therefore, adopting a long-term treatment of high concentrations and doses of thymoquinone, cordyceps, spirulina, ganoderma lucidium, poria cocos, and lion’s mane can be more effective in the treatment of nasal cancer. In conclusion, these drugs were found to be a promising cancer remedy; therefore, they can be utilized as alternative treatment for nasal cancer or any other type of cancer therapy.
Development of the European market of environmental goods and services: experience for Ukraine
Authors: Skorokhod Iryna
Published: December 2020

Environmental issues are extremely relevant today at the national and international levels. The EU has become the basic platform for the unified environmental strategy formation and the development of the European principles, as well as national systems of environmental legislation. The purpose of the article is to determine the peculiarities of the European market of environmental goods and services formation and development, disclose the regulatory framework for organic production in the EU, and outline strategic directions for the Ukrainian environmental market development. The article considers the peculiarities of the European market of environmental goods and services formation and development. The instruments of normative-legal regulation of the EU environmental market are defined, among which the Directive of the Council of the EU № 834/2007 and the Directive of the EU Commission № 889/2008 are singled out. Given the global environmental situation, the EU governments pay close attention to product safety and environmental friendliness. Therefore, in recent decades, it is especially important to improve the regulatory framework to control the friendliness of the environmental product. The structure of certified agricultural lands in the EU is analyzed. Emphasis is placed on the study of the development peculiarities of the EU market for organic products, namely the constant growth of demand for these products and growing prices. The current state of the environmental market of Germany and France is characterized. The main tendencies of the Ukrainian environmental market formation and development are determined. The analysis of the domestic market of organic products is carried out. Strategic directions of the Ukrainian environmental market development are defined, including the increase of the certified organic land area, the number of certified organic farms and volumes of organic production, the ensuring of environmental marking, the forming of the ecological management and products certification system, etc.
Border areas in adverse socio-economic conditions: identification and development problems
Authors: Benovska Liliya
Published: December 2020

The war in Eastern Ukraine resulted in the creation of a new type of problem regions - border areas in adverse conditions. It is a specific type of territory, the configuration of which may change under the influence of the political situation. The main feature of such areas is the need for an additional level of security. The allocation of border areas into a separate group requires in-depth theoretical and empirical research. The purpose of the article is to identify border areas in adverse conditions and outline the main problems of their development. The following methods were used for the study: statistical, historical, abstract and logical, systematic and comparative analysis. In the article, the border areas in adverse conditions are allocated into a separate group of problem regions of Ukraine and their intragroup structuring is carried out according to certain criteria: the degree of security of the territories and their involvement in hostilities, the type of border with the aggressor state (land, sea), the activity and nature of the conflict with the aggressor state, or the state with which the relationships require a sufficient level of security. The analysis of the main indicators of social and economic development of border areas in adverse conditions is carried out. The problems of territorial development inherent in all subgroups of border areas in adverse conditions (remoteness from economic development centers; increased migration; threat of military conflicts; low investment attractiveness) and specific problems within each subgroup are highlighted. The task of regional policy is to support the development of border areas in adverse conditions. The mechanisms for regulating the development of such areas should be developed separately for each of the selected subgroups. These mechanisms should help to strengthen the economic potential of these territories and state support for their social and economic development, as well as stimulate entrepreneurial activity in border areas, etc.
Математичний аспект продуктивності дії редукційно-охолоджувальних установок.
Authors: Волошанюк О.
Published: December 2020

Розкрито поняття редукційно-охолоджувальної установки та пароохолоджувача. Здійснено визначення головних складових процесу зниження тиску та температури пари, що використовується. Наведено схему редукційно-охолоджувальної установки з детальним описом всіх складових та відокремленням потоків охолоджуючої води та свіжої пари. Також зазначено вхідні значення тиску та температури, що задаються на початку роботи редукційно-охолоджувальної установки. Описано алгоритм охолодження із зазначенням всіх компонентів. Розкрито рівень надійності редукційно-охолоджувальної установки та підкреслено основні негативні впливи, що відбуваються під час дії редукційно-охолоджувальної установки. Підкреслено, що ефективність редукційно-охолоджувальної установки, рівень її продуктивної дії лежить в основі ексергії. Наведено математичне обґрунтування продуктивності дії редукційно-охолоджувальних установок. Запропоновано рівняння ексергетичного балансу для редукційно-охолоджувальної установки та схема ексергетичних потоків редукційно-охолоджувальної установки. Відокремлено рівняння теплового балансу редукційно-охолоджувальної установки та матеріального балансу. Наведено формулу для визначення витрати гострої пари та обчислення витрати охолоджуючої води. Окремо відокремлено параметри, які використовуються при аналізі функціонування редукційно-охолоджувальної установки.
Construction and study of the system of differential equations that describes the mutual synchronization of coupled self-oscillating chemical systems
Authors: Губаль Г.
Published: December 2020

The article constructs and investigates the system of differential equations that describes the mutual synchronization of coupled self-oscillating chemical systems, defines the synchronization bar in which a synchronous mode exists and determines the time of establishment of the synchronous phase difference.
Features of technology of protection against unauthorizedly installed monitoring software products.
Authors: Марценюк В. , Сверстюк A. , Андрущак І. , Кошелюк В. , Потейчук М.
Published: December 2020

The article considers the problem of software products (modules) designed to ensure the observability of computer systems, recording the activities of users and processes, the use of passive objects, as well as clearly identified identifiers of users and processes involved in certain events - to prevent security and / or ensuring responsibility for certain actions.
Розробка комп’ютерної програми розв’язання задач мережевої оптимізації.
Authors: Димова Г. , Ларченко О.
Published: December 2020

Статтю присвячено розробці комп’ютерної програми розв’язання мережевих оптимізаційних задач для використання в навчальному процесі. Багато задач оптимізації можна сформулювати у формі тієї чи іншої задачі оптимізації на графах. У зв’язку з цим вивчення загальних властивостей задач оптимізації на графах набуває самостійного значення, а вивчення методів їх розв’язання традиційно відносять до необхідних елементів сучасної освіти, які формують алгоритмічний спосіб мислення.
Хоч загальна математична постановка задачі оптимізації на графах не дає будь-якої інформації відносно можливих методів її розв’язання, всі методи розв’язання таких задач можна умовно поділити на два класи:

більшість відомих задач оптимізації на графах можуть бути сформульовані у формі математичної моделі цілочисельного або булева програмування. В цьому випадку вибір способу їх розв’язання повністю визначається математичними властивостями відповідної постановки задачі;
задачі оптимізації на графах можуть бути розв’язані із застосуванням спеціальних алгоритмів, які враховують специфічні особливості тих чи інших об’єктів графів і скінченну потужність множини можливих альтернатив (задачі комбінаторної оптимізації) [9].

У статті зроблено аналіз пакетів прикладних програм для розрахунку задач мережевої оптимізації та показана необхідність розробки комп’ютерної програми для розв’язання цих задач. Приведені алгоритми розв’язання мережевих оптимізаційних задач (алгоритм Прима, алгоритм Флойда-Уоршелла та алгоритм Форда-Фалкерсона). Для реалізації програми обрано інтегроване середовище розробки програмного забезпечення Delphi 7.0. Розроблена та протестована комп’ютерна програма «Розрахунок характеристик комп’ютерних мереж».
Моделювання кластеризації землетрусів за допомогою методів машинного навчання
Authors: Проніна О. , Якін К.
Published: December 2020

Сейсмічний аналіз полягає у вивченні поширення пружних хвиль в товщі порід. Ґрунтуючись на принципах цього аналізу, доцільна побудова моделі, яка б описувала основні метрики поведінки земних ґрунтів під час землетрусів і яка могла б використовуватися для задач прогнозування сейсмічної активності в подальших дослідженнях. Робота присвячена моделюванню кластеризації землетрусів та візуалізації розподілу мейншокових процесів з використанням сучасних методів машинного навчання, таких як стохастичний t-розподіл та кластеризація. Розглянуто основні етапи побудови моделі для більш точного результату. Проведено моделювання на вибірки даних за останні сто років для перевірки адекватності розробленої моделі.
Сертифікаційні випробування радіоелектронних приладів в Україні: сучасний стан та перспективи розвитку
Authors: Павленко В.
Published: December 2020

У статті визначено роль та місце сертифікаційних випробувань в системі сертифікації радіоелектронних приладів в Україні. Встановлено основні особливості проведення сертифікаційних випробувань радіоелектронних приладів в Україні. Розглянуто питання проведення сертифікаційних випробувань радіоелектронних приладів у акредитованих випробувальних лабораторіях України. Сформульовано перспективи розвитку сертифікаційних випробувань радіоелектронних приладів в Україні.
Crafting a Better Future in Liberia
Authors: Kaufmann Andrea
Published: December 2020

Despite post-war reconstruction, Monrovia is an insecure, uncertain city. Many people are «hustling», an emic term for insecure income-generating activities. «Hustlers» are often part of associations. Associations strengthen identities, and form social relationships and solidarities. They fi ll the gap of war-aff ected social relationships, and contribute to social security, solidarity and integrate the marginalized. This article shows how social imaginaries serve as motor of change, and how associational life shapes social spaces as islands of certainty amidst uncertainty.
Protection of Air Transport Against Acts of Unlawful Interference
Authors: Ogonowski Krzysztof , Nowak Jacek , Achimowicz Jerzy , Biernacki Rafał
Published: December 2020

Air transport consists in moving people or goods by air. Aircrafts, known as the main means of air transport, can be divided into two categories: airplanes and helicopters. Such transport is the most modern and the most dynamically developing branch of transport. It is also considered to be the safest mode of transport, even though, for various reasons, aviation accidents still occur.

Security in aviation has various connotations. According to the International Civil Aviation Organization (ICAO), it is a state in which the possibility of damage to persons or property is minimized and is maintained as part of a continuous process of hazard identification and safety risk management at an acceptable level or below this acceptable level. Aviation security includes flight safety and aviation security against acts of unlawful interference. There is a significant difference between the meaning of  "safety" and "security". The first of these concepts means preventing unintentional damage, while the second refers to the procedures undertaken in order to prevent deliberate damage resulting from an intentional act.

As it appears from the abovementioned information, the immovable part of aviation safety is aircraft protection, including the protection of civilian airports.

The aim of the article is to draw attention to the problems of air transport security, including the security of airports, related to the evolution of threats and the functioning of the airport security system.

The problem that the authors address is expressed in a question: in what directions should the current solutions in the field of air transport security be improved in order to effectively prevent acts of unlawful interference in the future?

Theoretical research methods, such as the analysis and synthesis of information contained in literature and source materials, inference, comparison, were used to develop the article.
Fen Bilimleri Öğretmen Adaylarının Analitik Düşünme Becerisi ile İlgili Mesleki Bilgilerinin Belirlenmesi
Authors: KALA Nesli , KİRMAN BİLGİN Arzu
Published: December 2020

Fen bilimleri eğitiminde analitik düşünme becerisini tanımalarına yönelik bir kılavuz olmaması, fen bilimleri öğretmen adaylarının bu beceriyi mesleki anlamda ne kadar tanıdıkları, fen etkinlikleriyle nasıl harmanladıkları, öğrenme ortamlarında bu beceriyi nasıl ölçtükleri ve değerlendirdikleri yönünde merak konusu oluşturmuştur. Bu düşünceden hareketle mevcut araştırmada fen bilimleri 3. sınıf öğretmen adaylarının, analitik düşünme becerisi üzerine mesleki bilgilerinin tespit edilmesi amaçlanmaktadır. Alan taraması yöntemi ile yürütülen araştırmaya 148 öğretmen adayı katılmıştır. Veriler, açık uçlu sorulardan oluşan analitik düşünme becerisini tanıma testi ile toplanmıştır. Elde edilen veriler analitik düşünme becerisi göstergeleri göz önünde bulundurularak içerik analizine tabi tutulmuştur. Adayların bir kısmı analitik düşünme becerisini tanımlayabilmiş ve bu beceriye sahip bireylerin özelliklerini sıralayabilmişlerdir. Fakat adaylar, ortaokul fen bilimleri dersi analitik düşünme becerisi göstergelerini kapsayan öğrencilerin analitik düşünme becerilerini geliştirebilecekleri etkinlikler tasarlayamamışlardır. Aynı zamanda bu göstergeleri içeren ölçme ve değerlendirme aracı da belirtememişlerdir. Bu durum fen bilimleri öğretmen adaylarının analitik düşünme becerisine yönelik mesleki bilgilerinin yetersiz olduğunu göstermektedir.
Keman Eğitiminde Çift Ses ve Akor Çalma Durumlarına İlişkin Öğrenci Görüşlerinin, Öğrenim Alanlarına Göre Değerlendirilmesi
Authors: SİPAHİOĞLU Funda , ANGI Çiğdem Eda
Published: December 2020

Bu araştırma, çift ses ve akor çalma durumlarına yönelik, keman öğrencilerinin görüşlerinin, öğrenim alanları (bilişsel, duyuşsal, devinişsel, sezişsel) açısından incelenmesi amacını taşımaktadır. Araştırma, betimsel bir araştırma olup genel tarama modellerinden olan tekil tarama modelini içermektedir. Bu araştırmada verilerin bir kısmı, literatür tarama yolu ile bir kısmı anket ve uzman görüşleri ile hazırlanmış yapılandırılmış sorulardan elde edilmiştir. Araştırmanın çalışma grubunu, Niğde Ömer Halisdemir Üniversitesi Eğitim Fakültesi Güzel Sanatlar Eğitimi Bölümü Müzik Eğitimi Anabilim Dalı’nda 2018-2019 eğitim-öğretim yılında öğrenim gören toplam 39 keman öğrencisi oluşturmaktadır. Çift ses ve akor çalma durumlarına yönelik öğrenci görüşleri, bilişsel, duyuşsal, devinişsel ve sezişsel alanlarda incelenmiş, elde edilen bulgular istatiksel olarak çözümlenmiş ve tablolaştırılarak yorumlanmıştır. Öğrencilerin çift ses ve akor çalma durumları ile ilgili, bilişsel, duyuşsal, sezişsel alanlarda yeterli düzeye sahip oldukları, fakat devinişsel alanda ise yeterli düzeye sahip olmadıkları sonucuna varılmıştır.
İlk Ergenlik Dönemindeki Öğrencilerin Bilişsel Çarpıtmaları ve Sosyal Fobi Belirti Düzeyleri Arasındaki İlişki
Authors: VATASEVER BULUT Çidem , UĞUZ Şükrü , KUTLU Mahmut Oğuz , AKMAN Pınar
Published: December 2020

Bu araştırmada, ilk ergenlik dönemi (12-14 yaş) öğrencilerinde bilişsel çarpıtma düzeyi ile sosyal fobi belirti düzeyleri arasındaki ilişki ve bu düzeyleri etkileyen faktörler incelenmiştir. Adana il merkezinde eğitim alan ve basit tesadüfi örnekleme yöntemi ile araştırmaya alınan ortaokul düzeyindeki toplam 591 öğrenciden 257’si erkek, 334’ü kızdır. Tarama modelinde yapılan bu araştırmada, ölçme araçları olarak, “Ergenler İçin Mantık dışı İnançlar Ölçeği (EMİÖ)” ve “Çapa Çocuk ve Ergenler Sosyal Fobi Ölçeği (ÇESFÖ)” kullanılmıştır. Ulaşılan bulgular incelendiğinde, EMİÖ puanları arttıkça ÇESFÖ puanlarının da arttığı görülmüştür (r=0.66). Başarı odaklı olma puanı (mantık dışı inançlar alt ölçeği) arttıkça sosyal fobi ölçeği puanlarının arttığı görülmüştür. Mantık dışı inanç düzeyleri azaldıkça öğrenci ortalama başarı düzeyi yükseldiği görülmüştür. Anne baba tutumlarını ilgisiz olarak tanımlayan öğrencilerin ÇESFÖ puanlarının arttığı görülmüştür. Araştırmadan ulaşılan sonuçlar; mantık dışı inanç düzeyinin yüksek olmasının sosyal fobi belirti düzeyinin de yüksek olmasına neden olabileceğini düşündürmektedir. Öğrencilerin ders başarısı, aile yapısı gibi faktörlerin mantık dışı inançlar düzeyi ve sosyal kaygı düzeyleri üzerinde etkili olduğu anlaşılmıştır.
Sociological monitoring of vocational guidance preferences of future applicants as an element of management of the formation of the shipbuilding educational infrastructure
Authors: Голованова О.В. , Солдатов А.А. , Солдатов А.В. , Ипатова Л.П.
Published: December 2020

В работе рассматриваются профориентационные предпочтения старшеклассников Санкт-Петербурга и Ленинградской области с целью создания более эффективного управления формированием инфраструктуры вузов РФ, готовящих кадры для судостроительной промышленности. Социологический мониторинг осуществлялся силами социологической лаборатории, межвузовского центра по образованию в области истории и философии науки и техники, с привлечением бакалавров и магистров кафедры философии и социологии морского технического университета. Для большей эффективности исследования при обработке социологических данных использовались методы многомерного статистического анализа и k-групповых средних. В ходе работы было подтверждено, что для более эффективного привлечения абитуриентов вузам судостроительного профиля необходимо сохранять, поддерживать и развивать многообразие направлений подготовки, включая и гуманитарные, с упором на собственно судостроительные специальности. Для сохранения контингента обучающихся и привлечения новых необходимо также развивать систему дополнительного образования.

The article considers the vocational guidance preferences of senior students in St. Petersburg and Leningrad region in order to create a more effective management of infrastructure formation of universities of the Russian Federation training personnel for the shipbuilding industry. The sociological monitoring was carried out by the sociological laboratory and the interuniversity centre for education in the field of history and phylosophy of science and technology with the involvement of bachelors and masters students of the department of phylosophy and sociology at St. Petersburg State Marine Technical University. To make the research more effective the methods of multivariable statistical analysis were used for processing of sociological data and k-group averages. In the course of research, it was confirmed that for more effective attraction of applicants to the university of shipbuilding profile it is necessary to preserve, maintain and develop a variety of training directions including humanities with an emphasis on the actual shipbuilding specialties. To maintain the number of trainees and attract new ones it is also necessary to develop a system of the additional education.
Turbulent flow in rough pipes
Authors: Павловский В.А. , Никущенко Д.В.
Published: December 2020

Ввиду того, что применяемые в инженерной практике трубы являются шероховатыми, определение гидравлического сопротивления шероховатых труб является важной проблемой. Необходимость повышения точности расчетов коэффициентов гидравлического сопротивления при течении жидкости в трубах с различной степенью шероховатости внутренней поверхности стенок трубы требует постоянного совершенствования инженерных методик расчета. В настоящей работе анализируются формулы для скоростей и сопротивлений при установившемся течении несжимаемой вязкой жидкости в круглой цилиндрической трубе с шероховатыми стенками, в том числе и формула Коулбрука. Рассматриваются предельные случаи проявления шероховатости, а также связь между числами Рейнольдса, вычисляемых по средней и по динамической скоростями. Использован принцип нахождении профилей скорости по закону сопротивления. Приводится алгоритм построения кривой сопротивления по найденному профилю скоростей в универсальных координатах. Для коэффициента сопротивления даётся формула Коулбрука в явном виде.

As far as practically used pipes are always have different roughness the problem of practical determination of hydraulic resistance of pipes with roughness is very important. Improving the accuracy of hydraulic coefficients computations for fluid flows in pipes with different roughness of the inner surface requires continuous improvement of calculation methods. In the present article we analyze formulas for velocities and resistance for steady-state incompressible flows of a viscous fluid in a round cylindrical pipe with rough walls, including Colebrook’s formula. The limiting cases of roughness are considered, as well as the relationship between the Reynolds numbers calculated by both average and dynamic velocity. On a basis of resistance law, we have recovered velocity profiles. The algorithm of determination of resistance curve by computed velocity profile in universal coordinates is described. Colebrook’s formula for resistance coefficient is written explicitly.