bluuebunny/crossref_metadata_2025 huggingface dataset:
The Tortoise and the Hare: Industry Clockspeed and Resilience of Production and Knowledge Networks in Montréal’s Aerospace Industry
Authors: Li Pengfei , Turkina Ekaterina , Van Assche Ari
Published: April 2022

A central challenge in current cluster policy discussions is how to build innovative clusters that are resilient to external shocks. We examine the Montréal aerospace industry to explore cluster resilience. The case is interesting since it recently experienced two industrial shocks: Boeing 737 MAX crashes in 2018 and 2019 and Bombardier’s sell-off of its flagship CSeries in 2020. Surprisingly, in the wake of the two radical disruptions, the cluster fared quite well in terms of employment and export performance. Using the method of abductive reasoning to find a-matter-of-course explanation of the surprising case, we observe that a low speed of aircraft development and production – a low industry clockspeed – stabilizes local production and knowledge networks through five mechanisms: long-term contracting, R&D cost sharing, production planning, social networking, and technology solidifying. Inspired from the case, we theoretically explore how fast (e. g., fashion and cellphones or the hare) and low (e. g., shipbuilding and aerospace or the tortoise) industry clockspeeds lead to different configurations of firm relations and are thus associated with different types of economic resilience.
Fiber-optic Michelson interferometer for detecting coolant level and refractive index
Authors: Feng Luqiao , Zhang Qili , Lou Ruting , He Sijie , Yang Xiaozhan
Published: April 2022

This paper presents an interferometer based on a single-mode fiber-multimode fiber-thin-core fiber (SMF–MMF–TCF) Michelson interference structure that can be used for the measurements of coolant level and refractive index. Because of the different diameters of the cores of the individual fibers, optical excitation and coupling occur at the splicing points of the fibers. The multimode fibers are the couplers in the sensing structure, which allow the exciting light to enter the cladding of the thin-core fibers. The end face of the thin-core fiber is coated with a silver film to enhance the reflectivity of the light. The results show that the interference intensity first increases and then decreases with the length of TCF. When TCF is 4 cm, the interference light intensity is the strongest. The sensitivity of the sensor is 138.091 nm/RIU with the linearity of 0.977 over the refractive index of the coolant in the range of 1.3605–1.3880, and the temperature and time effects on the sensor are small. The proposed sensor has the advantages of simple fabrication, high repeatability, and good stability and it can be applied to the measurements of coolant level and refractive index in automotive engines.
Thermodynamics of the classical spin triangle
Authors: Schmidt Heinz-Jürgen , Schröder Christian
Published: April 2022

The classical spin system consisting of three spins with Heisenberg interaction is an example of a completely integrable mechanical system. In this paper, we explicitly calculate thermodynamic quantities such as density of states, specific heat, susceptibility and spin autocorrelation functions. These calculations are performed (semi-)analytically and shown to agree with corresponding Monte Carlo simulations. It is shown that the thermodynamic functions depend qualitatively on the character of the system in terms of its frustration, especially w. r. t. their low temperature limit. For the long-time autocorrelation function, we find, for certain values of the coupling constants, a decay to constant values in the form of an 1/t damped harmonic oscillation and propose a theoretical explanation.
Food policy councils and the food-city nexus
Authors: Stahlbrand Lori , Roberts Wayne
Published: April 2022

This field report links food and city policies by tracing the history of the Toronto Food Policy Council and offers our experience-based suggestions regarding the concept of critical food guidance, which we associate with capacity-building and providing opportunities for civic engagement on a continuous and meaningful basis. We bring the insider perspective of Canadian food policy practitioners and staff leads of the Toronto Food Policy Council – the first food policy council in a major city when it was established in 1990, and still considered one of the most influential among the world’s 350 similarly-inspired councils.
Food, Pandemics, and the Anthropocene – On the necessity of food and agriculture change
Authors: Rosol Marit , Rosol Christoph
Published: April 2022

The COVID-19 crisis demonstrates forcefully that human health, the well-being of animals, and planetary health must not be viewed in isolation—and that they all depend to a large extent on the ways in which we produce, process, trade, and consume food. In this perspective essay, we argue for the centrality of food and agriculture to the epoch of the Anthropocene and why profound changes are needed more than ever. We close with some reflections on how the disruptions associated with the current pandemic also offer the opportunity for the necessary ecological, economic, and social transformation of our agri-food systems—toward healthy humans, animals, and a healthy and biodiverse planet.
Recension du livre Diners, Dudes and Diets
Authors: Perron Janie
Published: April 2022

Le livre Diners, Dudes and Diets d’Emily Contois offre une occasion particulière aux lecteur·ice·s d’approfondir leur compréhension du caractère genré de l’alimentation dans le contexte historique états-unien. Dans son ouvrage, Contois illustre la manière dont l’industrie contribue à la construction des binarités entre les genres pour accroître la vente de ses produits. L’utilisation d’un personnage masculin, celui du « dude », permettrait de rejoindre les hommes au 21e siècle dans la vente de simples objets de consommation comme les aliments. Conformément au souhait de la chercheuse, ce type d’étude sur les représentations médiatiques des aliments donne lieu à une remise en question du système patriarcal qui nous nuit à différents degrés.
Die vertragsrechtlichen Folgen einer rückwirkenden steuerlichen Neubewertung kombinierter Wertpapierdarlehen
Authors: Herresthal Carsten
Published: April 2022

Der nachfolgende Beitrag befasst sich mit der vertraglichen Risikozuordnung bei Wertpapierdarlehen. Diese wird aktuell, wenn die steuerliche Anerkennung von kombinierten Wertpapierdarlehen in Umsetzung der jüngsten BMF-Schreiben versagt wird. In der Folge kann eine Partei die Kapitalertragsteuer und den Solidaritätszuschlag nicht auf die eigene Körperschaftssteuer anrechnen. Darüber hinaus wird in jüngerer Zeit auch die Abzugsfähigkeit der Kompensationszahlung an die andere Partei als Betriebsausgabe abgelehnt. Die Verteilung der Risiken der steuerlichen Anerkennung bei Wertpapierdarlehen harrt bislang einer tieferen Analyse.
Experimental Evaluation and Development of Artificial Neural Network Model for the Solar Stills Augmented with the Permanent Magnet and Sandbag
Authors: Chauhan Rishika , Dumka Pankaj , Mishra Dhananjay R.
Published: April 2022

The availability of potable water is reducing day by day due to rapid growth in the human population and un-planned industrialization around the globe. Although human beings cannot think of survival in the absence of water, the global leadership can still not implement their pacts in reality. Solar still is one of the prominent ways of getting potable water from contaminated water. This manuscript reports the experimental evaluation and developed ANN model for the single basin solar stills having augmentations with the sand-filled cotton bags and ferrite ring permanent magnets. Root mean square error (RMSE), efficiency coefficient (E), the overall index of model performance (OI), and coefficient of residual mass (CRM) values are in good agreement with the proposed developed model of ANN. The proposed ANN model can be utilized to predict distillate yield with a variation of 5% for the reported modified stills. Overall correlation coefficient of CSS, MSS-1&2 are 0.98171, 0.9867, and 0.99542, respectively.
Identifying Plagiarised Programming Assignments with Detection Tool Consensus
Authors: Cheers Hayden , Lin Yuqing , Yan Weigen
Published: April 2022

Source code plagiarism is a common occurrence in undergraduate computer science education. Many source code plagiarism detection tools have been proposed to address this problem. However, most of these tools only measure the similarity between assignment submissions, and do not actually identify which are suspicious of plagiarism. This work presents a semi-automatic approach that enables the indication of suspicious assignment submissions by analysing source code similarity scores among the submissions. The proposed approach seeks the consensus of multiple source code plagiarism detection tools in order to identify program pairs that are consistently evaluated with high similarity. A case study is presented to demonstrate the use of the proposed approach. The results of this case study indicate that it can accurately identify assignment submissions that are suspicious of plagiarism.
Transcatheter Aortic Valve Replacement Optimization Strategies: Cusp Overlap, Commissural Alignment, Sizing, and Positioning
Authors: Siddique Saima , Khanal Resha , Vora Amit N , Gada Hemal
Published: April 2022

As transcatheter aortic valve replacement (TAVR) rapidly expands to younger patients and those at low surgical risk, there is a compelling need to identify patients at increased risk of post-procedural complications, such as paravalvular leak, prosthesis–patient mismatch, and conduction abnormalities. This review highlights the incidence and risk factors of these procedural complications, and focuses on novel methods to reduce them by using newer generation transcatheter heart valves and the innovative cusp-overlap technique, which provides optimal fluoroscopic imaging projection to allow for precise implantation depth which minimizes interaction with the conduction system. Preserving coronary access after TAVR is another important consideration in younger patients. This paper reviews the significance of commissural alignment to allow coronary cannulation after TAVR and discusses recently published data on modified delivery techniques to improve commissural alignment.
Tuberculosis challenges: Resistance, co-infection, diagnosis, and treatment
Authors: Heidary Mohsen , Shirani Maryam , Moradi Melika , Goudarzi Mehdi , Pouriran Ramin , Rezaeian Tayebe , Khoshnood Saeed
Published: April 2022

Early diagnosis of tuberculosis (TB), followed by effective treatment, is the cornerstone of global TB control efforts. An estimated 3 million cases of TB remain undetected each year. Early detection and effective management of TB can prevent severe disease and reduce mortality and transmission. Intrinsic and acquired drug resistance of Mycobacterium tuberculosis (MTB) severely restricted the anti-TB therapeutic options, and public health policies are required to preserve the new medications to treat TB. In addition, TB and HIV frequently accelerate the progression of each other, and one disease can enhance the other effect. Overall, TB-HIV co-infections show an adverse bidirectional interaction. For HIV-infected patients, the risk of developing TB disease is approximately 22 times higher than for persons with a protective immune response. Analysis of the current TB challenges is critical to meet the goals of the end TB strategy and can go a long way in eradicating the disease. It provides opportunities for global TB control and demonstrates the efforts required to accelerate eliminating TB. This review will discuss the main challenges of the TB era, including resistance, co-infection, diagnosis, and treatment.
On Derivations and Lie Ideals of Semirings
Authors: Dadhwal Madhu , Neelam
Published: April 2022

In this paper, centralizing (semi-centralizing) and commuting (semi-commuting) derivations of semirings are characterized. The action of these derivations on Lie ideals is also discussed and as a consequence, some significant results are proved. In addition, Posner’s commutativity theorem is generalized for Lie ideals of semirings and this result is also extended to the case of centralizing (semi-centralizing) derivations of prime semirings. Further, we observe that if there exists a skew-commuting (skew-centralizing) derivation D of S, then D = 0. It is also proved that for any two derivations d 1 and d 2 of a prime semiring S with char S ≠ 2 and x d 1 x d 2 = 0, for all x ∈ S implies either d 1 = 0 or d 2 = 0.
Religion and the imperial body politic of Japan
Authors: Winfield Pamela D
Published: April 2022

This article offers a religious history of the Japanese emperor’s body as it was discursively constructed, visually imagined, and ritually reinforced as the larger body politic. It demonstrates that the Shinto-inflected notion of the imperial body politic (J. kokutai) technically only emerged during the early modern period in Japan. It therefore draws attention instead to the important premodern Buddhist precursors that first equated the emperor’s own body with the greater state polity of Japan. Buddhist teachings about the world-body of Buddhahood (dharmakaya), the monumental bronze Buddha body of Birushana in Nara, and Buddhist ritual activity throughout Japan’s provincial temple system all helped to construct Emperor Shomu (r. 710–56) as the all-protecting head of the family-state (kokka). Later esoteric Buddhist teachings about ‘becoming a Buddha in this very body’ (sokushin jobutsu) and elaborate state-protecting rites performed before Kukai’s (744–835) multi-headed and multi-armed figures all helped to protect the body of the emperor (or his clothes), and by extension, the health and wellbeing of the country at large. Finally, modern reformulations such as Kiyozawa Manshi’s (1863–1903) ‘hand metaphor’ and Minobe Tatsukichi’s (1873–1948) ‘organ theory of government’ continued to resonate with these pre-existing Buddhist corporeal tropes, as well as with newly imported Western philosophical constructs. As a result, this premodern Buddhist analysis of the emperor’s rhetorical, artistic, and ceremonial body-state demonstrates the centrality of the human body in imagining religious authority and political power in Japan.
Application of deep learning in structural health management of concrete structures
Authors: Uwanuakwa Ikenna D. , Idoko John Bush , Mbadike Elvis , Reşatoğlu Rifat , Alaneme George
Published: April 2022

Structural health management constitutes an essential factor in ensuring the durability of concrete structures. Cracks in concrete, reinforcement corrosion, alkali–silica reaction and efflorescence attacks are common concrete defects that can be identified visually. However, the detection and classification of these defects in concrete bridges and other high-rise concrete structures is a difficult and expensive process using manual approaches. In this research, a deep learning application is applied to detect and classify concrete defects. Concrete images from the public repository were used to create the explored database. The database was divided into training and validation subsets. The visual geometry group (Vgg19), neural search architecture (nasnetlarge) and residual inception block (vinceptionresnetv2) algorithms were used to analyse the images. The results of the overall performance show that the Vgg19 algorithm recorded higher accuracy in the detection and classification of concrete defects when compared to the nasnetlarge and inceptionresnetv2 algorithms. The efficiency of the proposed approach was evaluated using a new dataset containing images of concrete defects. The outcome of this research shows clearly that deep learning models could enhance the efficiency of concrete structural health monitoring in a multi-classification scenario.
Design, characterization and applications of direct-current plasma source
Authors: Atta Ali , Abdel Reheem Ahmed M , El-Khabeary Hesham
Published: April 2022

In this paper, the construction and operation of a locally designed cold plasma reactor are described. The anode diameter effect was studied at three inner diameters, 5, 10 and 15 mm. This effect on the discharge and plasma characteristics was studied using oxygen and argon gases. It was found that the optimum diameter is 10 mm. Moreover, the plasma density and temperature were investigated using a cylindrical Langmuir probe at the optimum diameter. It was found that the electron temperature reaches 1.6 eV and the electron density reaches 2.3 × 108 cm−3 in the case of oxygen gas. Moreover, X-ray diffraction, scanning electron microscopy and Fourier transform infrared spectroscopy analyses were carried out to characterize the manganese- and cobalt-doped ferrite (Mn0.5Co0.5Fe2O4) nanoparticle sample before and after oxygen plasma irradiation. The obtained results showed that the cold plasma reactor was constructed with high efficiency to meet the required applications such as surface modification, plasma deposition and etching.
Corporate Power, Human Rights and Urban Governance in South African Cities
Authors: Pieterse Marius
Published: April 2022

This article is concerned with the extent to which corporations involved in governing South African cities and towns are bound to the developmental objectives and socio-economic rights that urban governance efforts are constitutionally required to pursue. It considers the constitutional powers of local government over such non-state actors, evaluates their co-option and accountability in terms of local government legislation and discusses the evolution of their residual "horizontal" constitutional responsibilities.
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Comparison of the Contributions of Knee and Hip Muscle Strength on Maximum Oxygen Consumption Parameters During Continuous and Constant Test Protocols
Authors: ACAR Nasuh Evrim , UMUTLU Gökhan
Published: April 2022

Preliminary VO2max verification testing allows to examine the reproducibility of comparable tests in the same participants and helps to verify whether neuromuscular performance is associated with VO2max during different testing conditions. The main purpose of this study was to compare VO2max values obtained using a graded treadmill and cycling protocols and to verify whether the results are also reproducible during the constant time to exhaustion testing protocols. The second rationale of the study was to characterize the contributions of hip and knee muscle strength during four different testing conditions, and to determine how these quantities change when altering the modality of exercise for a given exercise intensity. A repeated measures study design was used. A total of 20 healthy male participants (21.20±2.17 years) underwent preliminary VO2max testing sessions on treadmill and cycling ergometers with 24 h intervals. Isokinetic strength performance of hip and knee muscles was tested at 60o /sec angular velocity. A paired and independent sample t test was performed for inter group and intra group comparisons. Linear regression was applied to determine the percentage of variation in VO2max testing outputs during either testing modality explained by hip and knee muscle streng th parameters. Lower extremity strength characteristics of hip and knee were symmetric between the dominant and nondominant limb (p>0.05). VO2max and blood lactate concentration were significantly greater during constant testing protocols for either testi ng modalities (p<0.001). Hip muscle strength performance explained a greater variation in VO 2max parameters during incremental (cycling r2 =0.25, running r2 = 0.24) and constant (cycling r2 = 0.35, running r2 = 0.33) testing protocols for either testing modal ity compared to the contribution of knee muscle strength performance on VO2max parameters during incremental (cycling r2 = 0.17, running r2 = 0.17) and constant (cycling r2 = 0.23, running r2 = 0.18) testing protocols. The local muscular performance of the hip and knee muscles were strongly related with the changes in running and cycling mechanics and hip muscles had a greater contribution to the VO2max performance during constant protocols than knee muscles . In conclusion, the extent to which contribution of lower extremity muscles during VO2max testing relies more on the mode of the exercise rather than the type of the testing modality.
Method of controlling the slipping of a wheel propeller of automobile and tractor
Authors: Gazizullin Ruslan L. , Chzhen Kh. , Kotiyev George O. , Kositsyn Boris B.
Published: April 2022

An increase in the slipping of a wheel propeller leads both to the energy loss and, up to a certain limit, the traction force increase. In this regard, in order to reduce energy losses for the movement of the vehicle, it is necessary to limit wheel slip at a level sufficient to create the required traction. Most of the existing algorithms aimed at implementing this constraint require information about the vehicle's linear speed. However, measuring the latter with a given accuracy outside laboratory conditions is difficult, which in some cases leads to a malfunction of the control algorithm. Therefore, it is relevant to develop a control method for the traction control system; in particular, for the case of acceleration, which will make it possible to estimate and limit wheel slip within specified limits with unknown characteristics of the supporting surface and the vehicle speed. The article is devoted to the development of a method for assessing and limiting slipping of a wheeled engine at a level sufficient to realize the required tractive forces without using data on the vehicle's linear speed and adhesion properties of the supporting surface. The article describes the mathematical model of the dynamics of the rectilinear movement of the quarter of the vehicle on a solid flat horizontal support surface. Through virtual experiments simulating the acceleration of a quarter of the vehicle with low slip, there was established a relationship between the traction force on the wheel axle and the kinematic parameters of the rotational motion, which are measurable and can be controlled during the movement of the vehicle, for example, using dynamometric wheels. On the basis of the obtained criterion, a regulator was developed to limit wheel slip during vehicle acceleration. The effectiveness of the developed regulator is proved by mathematical modeling of the acceleration of a quarter of the vehicle with different intensities on two types of supporting surfaces. It is also substantiated analytically provided that the wheel slip is constant within the measurement interval. The paper presents an approach to assessing and limiting the slip of the wheels of a vehicle during acceleration using a regulator based on fuzzy logic. A theoretical justification of the proposed method is given. It does not require information about the linear speed of the vehicle and the adhesion properties of a wheel with a supporting surface. An algorithm for the operation of the traction control system was developed. It allows to limit wheel slip at a given level while maintaining a sufficient margin of traction, which leads to a decrease in tire wear, a decrease in the likelihood of loss of mobility and an increase in the energy efficiency of the vehicle.
Restoration and alloying of working bodies of earth-moving machinery
Authors: Kazannikov Oleg V. , Popov Evgeniy V.
Published: April 2022

During the operation of road-building and earth-moving machinery, their working bodies are subjected to the greatest wear, in particular: crowns of rippers, blades of dumps, teeth of excavator buckets. The limiting state of parts is characterized by a 2535 % loss of mass of worn elements of working bodies that have direct contact with the ground. Rejected during repair parts are sent for recycling or restoration. The service life of some of the most loaded parts when working with heavy soils is several hours. The need for crowns for earthmoving equipment from enterprises involved in road construction and quarrying in the Far East region is measured in tens of thousands of pieces per year. Replenishment of stocks of wear parts makes it necessary to implement complex logistics schemes due to the remoteness of facilities from the centers of production of parts, and is always accompanied by significant costs. Therefore, the problem of restoring and strengthening worn crowns of rippers and teeth of excavator buckets is very relevant. Various industrial and scientific organizations have been solving this problem for a long time, and quite good results in this direction were obtained after a number of developments at the E.O. Paton Electric Welding Institute in the direction of the method of electroslag facing (ESF). Based on this method, various technological processes for the restoration of massive parts were created. The use of ESF allows not only to restore parts with significant wear, but also to obtain the corresponding design requirements or improved functional properties. These, when restoring the working bodies of construction and road vehicles, will increase their durability. The paper considers the possibility of restoring worn crowns of working bodies of earth-moving vehicles by the ESF method, using ore concentrates mined in the Far East as alloying additives.
II. DÜNYA SAVAŞI SONRASINDA SOVYETLER BİRLİĞİ’NİN KARADENİZ’DE UÇAK GEMİSİ İNŞA PROGRAMI: BOĞAZLAR VE SICAK DENİZ AKDENİZ POLİTİKASI
Authors: KÖSE İsmail
Published: April 2022

Çarlık Rusyası güneye genişleme politikasında kademeli bir anlayışla hareket ederek önce Karadeniz kıyısında müstahkem mevkiler elde etmiş, daha sonra Türk Boğazları geçiş rejimi zorlanarak sıcak denizler Ege ve Akdeniz’e erişilip doğal yaşam alanı kabul edilen bu bölgelerde güç merkezleri oluşturulmaya çalışılmıştır. Avrupa güç dengesi, bu dengeye bağlı Türk Boğazları geçiş rejimi Çarlık Rusyası’nın Akdeniz’de süreklilik içinde istikrarlı varlık gösterebilme teşebbüslerini sekteye uğratmıştır. II. Dünya Savaşı sonrasında değişen güç dengesi ve yeni koşulların sağladığı olanaklar Sovyetler’in tekrar Akdeniz’e dönmesine imkân sağlamıştır. Moskova’da bu planlamalar yapılırken Batı Bloku’nun liderliğini üstlenen ABD Altıncı Filo’yu Doğu Akdeniz’de görevlendirmiştir. Altıncı Filo envanterinde bulunan uçak gemileri Sovyetler’in Akdeniz’deki güç mücadelesinde geride kalmasına neden olmuş, Pyadyy Eskadra (Beşinci Filo) kurularak söz konusu eksiklik aşılmaya çalışılmıştır. Türk Boğazları geçiş rejiminde Montrö tara-fından konulan kısıtlamalar Sovyetler’in Akdeniz gücünün şekillenmesinde karşılaşılan diğer problem olmuştur. Sovyetler, Soğuk Savaş’ın hemen başında başlattıkları inşa programı doğrultusunda çağın gereklerine uygun ürettikleri yeni nesil uçak gemilerini ancak 1970’li yıllarda kullanıma sokabil-mişlerdir. Bu dönem Sovyet uçak gemileri Karadeniz kıyısındaki tersanelerde inşa edildiğinden bu gemilerin Boğazlardan açık denizlere çıkışı çokça tartışmayı beraberinde getirmiştir. Bu çalışmada, Akdeniz’deki güç müca-delesi eşliğinde gelişen uçak gemisi inşa programı ve Türk Boğazları geçiş rejimi tartışmaları ele alınacaktır.
CUMHUR REİSİ İSMET İNÖNÜ’NÜN BOLU’YU ZİYARETİ (5-7 Ağustos 1939)
Authors: EVCİN Erol
Published: April 2022

Atatürk’ün ebediyete intikali ile TBMM tarafından Cumhur reisliğine seçilen İsmet İnönü’nün yurt sathında gerçekleştirdiği seyahatler dikkate değer özellikler göstermektedir. Bu anlamda İkinci Dünya Savaşı’nın arefesinde Türkiye’nin büyük sorunlarla yüz yüze geldiği bir dönemde Cumhur reisi İnönü’nün eşi Mevhibe Hanım ve devlet erkânı ile Bolu’ya gerçekleştirdiği seyahat de devlet ile millet arasındaki ilişkilerin seyri açısından önem arz etmektedir. Cumhur reisi İnönü, 5-7 Ağustos 1939 tarihlerinde 3 günlük bir program kapsamında Ankara’dan başlayan seyahati vesilesiyle Ayaş, Beypazarı, Nallıhan, Mudurnu, Bolu Merkez, Yeniçağa, Gerede, Kızılca-hamam, Kazan gibi Anadolu’nun güzide bir coğrafyasını ziyaret etmiştir. Cumhur reisi bu münasebetle halkın durumunu bizzat müşahede etme, halk ise devletin en yetkin makamına sorunlarını ve taleplerini doğrudan iletme imkân ve fırsatı bulmuştur. Bu seyahat, bütün dünyada savaş rüzgârlarının estiği bir dönemde cumhuriyet mirasına sahip çıkan bir lider olarak İnönü’ye Bolu halkının yoğun ilgisini, güvenini ve sevgisini ortaya koyması bakımından da ayrıca dikkat çekicidir.
2018-2019 YÜZEY ARAŞTIRMALARI IŞIĞINDA VEZİRKÖPRÜ ERKEN TUNÇ ÇAĞI ÇANAK ÇÖMLEKLERİ
Authors: YİĞİTPAŞA Davud , ÖNTAŞ Boran
Published: April 2022

Karadeniz Bölgesi’nin Orta Karadeniz bölümünde yer alan Samsun, eski çağlardan beri yerleşim görmüş, önemli kültür bölgelerinden birisidir. Samsun’un önemli bir kültür bölgesi olmasını sağlayan en büyük etmende kuşkusuz, sahip olduğu fiziki coğrafyasından gelir. Genelde Karadeniz sıra dağları sebebiyle, Karadeniz kıyılarından Anadolu’nun içlerine geçiş zor ve meşakkatlidir. Lakin Samsun bölgesinde Karadeniz sıra dağlarının yükseltisi azalmaya başlamış ve bu durum neticesinde Samsun, İç Anadolu ile Karadeniz arasında adeta bir köprü görevi görmüştür. Samsun iline bağlı olan Vezirköprü ilçesi ise; verimli topraklara ve yaşanabilir bir iklime sahip olmasının yanı sıra yer altı ve yerüstü suları bakımından da zengin olması sebebiyle, geçmişten günümüze kadar yörede yerleşimin devam etmesine olanak sağlamıştır. Öyle ki Vezirköprü’de en erken yerleşim Kalkolitik Çağ (MÖ 5500–MÖ 3000)’de başlayıp , Tunç, Demir, Hellenistik, Roma ve Bizans Çağı’na kadar kesintisiz devam etmektedir. Lakin Vezirköprü’de araştırmalar daha çok Roma ve Bizans çağları üzerine yoğunlaşmış, bölgenin Erken Tunç Çağı’na ait çanak çömlekleri ise diğer dönemlere nazaran daha az çalışılmıştır. Bu çalışma, 2018 ve 2019 yıllarında yüzey araştırmaları sırasında tespit edilen Tunç Çağı çanak çömleklerini incelemek, çağdaşı olan diğer yerleşimlerle karşılaştırmak ve bahsettiğimiz araştırma azlığını gidermek adına ortaya çıkmıştır.
Motywacje wiary religijnej i praktyk religijnych dorosłych Katolików w Polsce w XX i XXI wieku. Na podstawie wyników badań socjologicznych
Authors: Baniak Józef
Published: April 2022

In the article I answer three questions: 1) What arguments did adult Catholics in Poland use at the turn of the twenty-first century to justify their religious faith? 2) What motivated adult Polish Catholics to pursue their religious practices at the turn of the century? 3) Why did adult Catholics in Poland relinquish their religious faith and observance of religious practices at that time? These questions form the basic problem of the undertaken research. The answers to these questions are provided by the results of sociological research and public opinion polls carried out in the second half of the 20th century and in the two first decades of the 21st century. A detailed presentation of the scientific research to date and a sociological analysis of its results are appropriate for studying the subject referred to in the title. Research results show that at the turn of the century adult Catholics in Poland variously justified their religious faith and their own religious practices. However, they were most likely to declare religious motivation. For various reasons, too, some adult Catholics abandoned their religion and observances. Most often, however, they pointed to personal reflection and their own choice of an atheistic attitude (unbelief) and renouncement of religious worship. Departure from religion was more common among adult Catholics in the 20th century than in this century.
İş Biçimlendirmenin İşe Tutulma Üzerindeki Etkisinde Kişi-iş Uyumunun Aracılık Rolü
Authors: Köksal Onur , Şenel Özlem
Published: April 2022

Bu çalışmada, işi biçimlendirmenin işe tutulma üzerindeki etkisi ve bu etkide kişi-iş uyumunun aracılık rolünün incelenmesi amaçlanmıştır. Bu kapsamda, çeşitli bankalarda iş yaşamlarını sürdüren 370 kişiden anket tekniğiyle araştırma verisi toplanmıştır. Araştırma değişkenleri arasındaki doğrudan ve dolaylı ilişkilerin incelenmesi için regresyon analizine dayalı olarak çalışan PROCESS 3.0 makrosu kullanılmıştır. Analiz bulguları, işi biçimlendirmenin işe tutulma üzerinde hem doğrudan hem de kişi-iş uyumu aracılığıyla dolaylı etkisinin olduğunu göstermiştir. Elde edilen bulgular yazın bağlamında tartışılmıştır.
Öz-Şefkatin Görev Performansı Üzerindeki Etkisinde Psikolojik Sermayenin Aracılık Rolü
Authors: Polatcı Sema , Baygın Elif
Published: April 2022

Bu araştırmanın temel amacı, öz-şefkatin görev performansı üzerindeki etkisinde psikolojik sermayenin dolaylı bir etkiye (aracı etki) sahip olup olmadığını belirlemektir. Zaman ve maliyet kısıtları nedeniyle kolayda örnekleme yönteminin kullanıldığı araştırmada veriler, Tokat ili ve ilçelerindeki kamu hastanelerinde görev yapan 176 sağlık personelinden elde edilmiştir. Analiz sonuçlarına göre, öz-şefkat görev performansı (ϸ=.37, p<.001) ve psikolojik sermayeyi (ϸ=.49, p<.001) pozitif yönde etkilemiştir. Psikolojik sermayenin de görev performansı üzerinde pozitif yönde etkisi (ϸ=.68, p<.001) tespit edilmiştir. Araştırmanın en özgün sonucu ise, öz-şefkatin görev performansı üzerindeki etkisinde psikolojik sermayenin dolaylı bir etkiye (ϸ=.33, %95 CI [.20, .46]) sahip olduğudur. Ulaşılan bulgular yazın ışığında tartışılmış ve yeni araştırmalar için öneriler geliştirilmiştir.
Investigating Threats to Power Plants Using a Carver Matrix and Providing Solutions: A Case Study of Iran
Authors: Zahedi Rahim , Golivari Sina
Published: April 2022

This paper examines Iran's power plants as potential targets of enemy groups. It identifies the most plausible targets and suggests preventive strategies to counter the threats. There are different models to assess the threat to potential targets. A commonly used model in various fields is the Carver matrix model, which, due to its comprehensiveness, has been used to assess power plants as targets of enemy action. The Carver model has six main factors, each of which is assigned a certain coefficient. To evaluate Iran's power plants as targets, information on their capacity, location, number, age, and fuel type is collected, as well as information on the various threatening groups based around Iran. Using the information on the power plants and the specified coefficients of the Carver matrix, the Iranian power plants have been evaluated as targets. The results of this study indicate that Iran's largest and most sensitive power plants are highly attractive targets for enemies.
Lecciones aprendidas sobre cambio cultural y competencias directivas para la generación de contextos socio-sanitarios favorables a la atención centrada en las personas (ACP)
Authors: Amunarriz Gerardo , Alcalde-Heras Henar
Published: April 2022

La literatura y la experiencia reflejan la dificultad en la generalización de un cambio cultural en organizaciones socio-sanitarias. La investigación se centra en revelar los intentos directivos para escalar las buenas prácticas generadas en el proyecto piloto “Etxean Ondo” mediante una aproximación cualitativa y constructivista, basada en la teoría fundamentada e investigación acción. El objetivo de este artículo es fundamentar aquellas claves organizativas que han favorecido el cambio cultural y las competencias directivas necesarias para la generación de un contexto organizacional favorable al marco ético de la Atención Centrada en la Personas (ACP). Además de una contribución conceptual, se incluyen una serie de recomendaciones prácticas a modo de “buenas prácticas” que la investigación identifica como claves en la gestión directiva favorable a la ACP: i) acciones relacionadas con la organización informal (dimensión intersubjetiva); ii) acciones relacionadas con los participantes (dimensión subjetiva); iii) acciones relacionadas con la organización formal (dimensión objetiva). El carácter de este estudio es exploratorio, pero se espera que los resultados emergentes, proporcionen elementos de reflexión a otros gestores interesados en emprender una trasformación organizativa

Recibido: 29 octubre 2021Aceptado: 25 enero 2022
Empresas conscientes: un modelo de productividad con propósito humanista
Authors: Álamo Hernández Pablo
Published: April 2022

Este trabajo de investigación propone un acercamiento al universo de las empresas conscientes, es decir, de las organizaciones que realizan su propósito de negocio partiendo de sus valores, eligen acciones coherentes con ellos y actúan con un sentido de responsabilidad incondicional. El objetivo de este trabajo es demostrar que es posible tener una alta productividad siendo una empresa consciente. La metodología utilizada es cualitativa, tiene un enfoque humanista y práctico, al analizar la experiencia de una consultora experta en asesorar a empresas en sus retos de productividad. Se presentan los resultados del modelo aplicado a más de 400 clientes en América Latina. La conclusión más importante de este trabajo es la convicción de que un modelo de productividad apto para las empresas conscientes debe compaginar el crecimiento económico sostenible y el desarrollo humano integral poniendo a la libertad, el empoderamiento y la autogestión de los colaboradores al centro de su estrategia de crecimiento.

Recibido: 1 noviembre 2021Aceptado 14 febrero 2022
Computational Analysis of the Dynamic Qualities of a Diesel Engine and a Tracked Vehicle
Authors: Markov V.A. , Barchenko F.B. , Neverov V.A. , Savastenko A.A. , Lotfullin Sh.R.
Published: April 2022

Power and dynamic characteristics are the most important indicators of internal combustion engines and vehicles equipped with them. The article considers a method for improving these indicators by transferring a four-stroke engine to work on a two-stroke cycle in modes with low rotational frequencies and the indicators of the dynamic qualities of a diesel engine and a vehicle. A dynamic model of a diesel engine and a tracked vehicle is proposed. Computational studies of the acceleration dynamics of a tracked vehicle weighing 6000 kg, equipped with a base D-245 diesel engine (4 ChN 11.0/12.5) and a modernized engine that can be switched from a four-stroke cycle to a two-stroke cycle in modes with low rotational speed, have been carried out. An analysis of the calculation results showed that when the base diesel engine was replaced with an upgraded one, the acceleration time of the tracked vehicle to a speed of 54.85 km/h went down by 12.4 %, and the acceleration distance decreased by 15.3 %.
Wood as chemical raw material. History and modernity. IV. Wood delignification as a way to produce cellulose. Part II
Authors:   BMSTU (Mytishchi branch), Kononov G.N. , Verevkin A.N. ,   BMSTU (Mytishchi branch), Serdyukova Ju.V. ,   BMSTU (Mytishchi branch), Zhukova V.A. ,   BMSTU (Mytishchi branch)
Published: April 2022

The article is devoted to the history of the wood delignification methods development in order to obtain cellulose. Their use in paper production since its inception is briefly described. The technologies of sodium, sulfate and sulfite delignification of wood are described in detail. The development of bleaching and ennobling methods of technical pulps, improvement of their hardware design and their influence on the quality of finished products is shown. The dynamics of the pulp industry development in the leading countries of the world, its current state and development prospects are given. This article is the fourth in the cycle “Wood as a chemical raw material. History and modernity”; the first, second and third parts are published in the journal «Forestry Bulletin», 2020, vol. 24, no. 1, no. 5 and 2021, vol. 25, no. 3.
Walnut and American walnut wood impulse drying in convective drying tunnels
Authors:   BMSTU (Mytishchi branch), Moiseev S.A. , Deyanov D.I. ,   BMSTU (Mytishchi branch), Kosarin A.A. ,   OOO «Forcklad», Kuryshov G.N.
Published: April 2022

A review of the literature on the physical and mechanical properties of the walnut and the scope of its application is presented. Pilot drying of walnut wood with a thickness of 50…60 mm was carried out in modernized drying chambers using impulse drying modes URAL-72 at INTAR LLC, Moscow. An example of an impulse drying mode for a walnut with a thickness of 50…60 mm is given. The initial moisture content of wood was determined in accordance with GOST 16558–91. The physical and mechanical properties of American walnut are outlined. The drying mode of American walnut 32…35 mm thick included 9 steps. The temperature of the drying agent is from 49 °C to 83 °C. The degree of saturation of the drying agent is from 79 to 31 %. Impulse drying of American walnut wood with a thickness of 32…35 mm was carried out in a pilot drying tunnel at the Department of Wood Science and Woodworking Technology of Moscow State Forest University. The initial moisture content of American walnut wood was determined in accordance with GOST 16588–91. The control over the current moisture content and internal stresses in the wood of walnut and American black walnut during drying in impulse modes was carried out using the method of control samples. Determination of the quality of dried timber was carried out in accordance with the «Guiding technical materials on the technology of tunnel drying of sawn timber» and the technical conditions of GOST 2695–83. The use of impulse modes when drying walnut and American walnut wood allows saving from 30 to 50 % of electricity.
Effect of NaCl Salt Stress on Germination and Seedling Growth of Black Gram (Vigna mungo)
Authors: Mariyappillai Anbarasu , Kulanthaivel Vadivel
Published: April 2022

Background: Dehulled and split seeds of black gram (Vigna mungo) are used in the preparation of several dishes all over India. Salt stress is a troublesome issue in the arid and semi-dry areas and is seen as a critical constraint for growth and yield. It is very sensitive to salt especially during the seedling stage. Hence, a study was conducted to assess the impact of salt stress induced with NaCl on the germination and seedling growth of black gram. Methods: The different levels of salt concentration (20 ppm, 40 ppm, 60 ppm, 80 ppm) were prepared in the laboratory. Selected black gram (ADT-6) seeds were sown in small poly pots (soil, sand and farmyard manure at 1:1:1 ratio) with 3 replications and irrigated with a respective dose of saline water. The distilled water (0 ppm) was used as a control. The germination (%), shoot length (cm) and root length (cm) in the black gram were recorded after two weeks. The inhibition effect was studied by the response index (RI) method. Result: Increase in salt concentration diminished seed germination percentage, shoot length and root length of seedling and vigor index in black gram. Further, the response index indicated that all the salt concentration treatments had negative values.
HOW THE COVID-19 OUTBREAK AFFECT THE EFFICIENCY OF ISLAMIC RURAL BANKS?
Authors: Miranti Titis , Aulia Nur Avni , Pimada Laila Masruro
Published: April 2022

Islamic Rural Banks (BPRS) have an essential function for developing the Micro, Small, and Medium Enterprises (MSME) sector. For the BPRS to exist and not be liquidated, the BPRS needs to maintain its financial efficiency. This study aims to determine the efficiency of a BPRS in East Java. Then, this is to find out what affects the efficiency. Two Stages-Data Envelopment Analysis (DEA) calculate the efficiency. The first stage of data analysis is carried out by assessing the efficiency of the BPRS. The second stage is the analysis of variables that affect efficiency using logistic regression. This analysis also uses the description of the year of the Covid pandemic as a predictor variable. The results of this study found that the BPRS in East Java was categorized as inefficient (inefficiency). However, from the 20 samples used, there are three efficient BPRS based on the average individual BPRS during the 2012-2020 period. Based on logistic regression analysis, it is known that the factors that affect the efficiency of BPRs include Operational Costs and Operating Income, Earning Assets, and the pandemic era.
El liderazgo transformacional y su influencia en la toma de decisiones, en los procesos operativos de las comisarías de San Juan de Lurigancho, 2019
Authors:   , Dapozzo Mendieta Judit Estéfane , Yataco Vásquez Thatit Kiomara
Published: April 2022

El presente trabajo de investigación tiene como finalidad determinar el nivel de influencia del liderazgo transformacional en la toma de decisiones dentro de las comisarías de la Policía Nacional del Perú. De esta forma se delimitó geográficamente el distrito de San Juan de Lurigancho y se desarrolló toda la investigación en las áreas operativas de las comisarías. Se realizó una investigación no experimental de corte transaccional y transversal con un enfoque mixto; es decir, para la presente investigación no se manipularán las variables de investigación (X: Liderazgo transformacional / Y: Toma de Decisiones) y se recogió la información de un sólo periodo de tiempo, el año 2019. Se usaron herramientas cuantitativas y cualitativas con una muestra de once comisarías del distrito; 637 policías encuestados y once Comandantes y Mayores entrevistados. Los resultados de la investigación arrojan que sí influye el liderazgo transformacional en la toma de decisiones en los procesos operativos dentro de las comisarías de San Juan de Lurigancho en el año 2019. El análisis de las encuestas y los datos de las entrevistas rechazan la hipótesis nula planteada y permite confirmar el título de nuestra investigación. Por último, se sugiere realizar mayor seguimiento a los líderes de las comisarías, además de brindarles charlas de coaching de liderazgo, actitud y trabajo en equipo.