bluuebunny/crossref_metadata_2025_split huggingface dataset:
Polarisation of Russia’s spatial development: quo vadis?
Authors: Bufetova A. N. 
Published: June 2022

Inequality is an inherent property of spatial development, but too high spatial inequality can have a number of serious consequences, from increased fiscal spending aimed at smoothing fiscal space to slowing national economic development and increasing separatist sentiment. The problem of heterogeneity in spatial development is therefore relevant, especially for countries with a large spatial extent, where such inequalities are naturally higher. In Russia the spatial inequality started to grow since the end of the 20th century and is still considered to be high. The aim of the work was to identify the features of the process of polarization of Russia’s spatial development by analyzing the dynamics of economic activity in Russian regions in the 21st century and obtaining extrapolation forecast of interregional distribution of economic activity.The study was carried out with the help of distribution dynamics analysis methods, using the theory of Markov process with discrete time and continuous state space. The above methods have allowed us to: assess the actual distribution of economic activity indicators of the regions and to conclude about its changes in the first two decades of the 21st century; to obtain extrapolation forecast of the distribution of regional economic activity indicators in the long-run, i.e. to forecast long-run spatial equilibrium; to identify and characterize groups of regions forming “convergence groups” in the long-run. The obtained results led to a conclusion about the increasing polarization of Russia’s regions by the level of economic activity both in the study period and in the long run, while maintaining the current trends, to substantiate the need to expand the practice of applying tools of place-based regional policy.
Improving the Measurement of a Company’s Performance Effectiveness
Authors: Pristavka A. N. 
Published: June 2022

In a constantly changing business environment, the company’s management faces new challenges, and the complexity of management increases. In this regard, since the end of the 1980th, after a criticism wave of traditional (financial) methods, performance measurement systems (PMS) have come to the fore, offering ideas and technologies based on a combination of both, financial and non-financial indicators, which are focused on the strategic line of a company.The purpose of this academic paper is to develop new PMS that combine existing systems’ advantages, as well as eliminating their inherent limitations.Therefore, in the course of the study, the main limitations of existing performance measurement systems were identified, and a new PMS was proposed, which had a number of advantages over the known ones. This system is focused on maximizing the company’s value, describes contribution to the change in the value of each main business process, product and client, which allows one to get away from aggregation and evaluate performance at each level, as well as turn a set of useful, but somewhat heterogeneous indicators into a system with a clear target.This PMS is based on the concepts of value-based management (Value Based Management, VBM), strategic management (Strategic Management, SA), process management (Business Process Management, BPM), as well as on the provisions of the performance management concept (Performance Management, PM).The developed performance measurement system is purposefully based on well-known categories and indicators to increase its practical significance. This PMS will help management to understand what the business is made of, what processes affect the efficiency of its work within the company. After all, the expediency of an adequate performance measurement for the successful functioning of the company in modern conditions is very significant, since it can help management both, to achieve the desired results and also to see the reserves for improving efficiency.
Uneven Development of the Spatial Economy of the Russian Federation and Differentiation of Growth Factors: Period 2016–2019
Authors: Ibragimov M. M. , Dushenin A. I. 
Published: June 2022

The issues of spatial differences in the level of socio-economic development of Russian macroregions, are discusses in the article. Authors analyze the causes and trends of changes in the spatial structure of macroeconomic indicators by federal districts and evaluate the main factors of regional growth and the potential for further development of the federal districts of the Russian Federation. The object of the study is the spatial economy of Russia in the period 2016–2019, both in the context of federal districts and in the context of the European and Asian parts. The European part of the Russian Federation includes the Central Federal District, the Northwestern Federal District, the Southern Federal District, the Northwestern Federal District, the Volga Federal District and the Ural Federal District without the Tyumen Region. The Asian part of the Russian Federation consists of the Tyumen region, the Siberian Federal District and the Far Eastern Federal District. The main goal of this work is to analyze the growth factors of Russian regions in the period 2016–2019. The research tools include methods for factorial decomposition of increments into quantitative and qualitative features, methods for analyzing structural changes. The paper shows the impact of price and volume changes on GRP growth, the impact of changes in the number of employees and total labor productivity on volume growth, the impact of changes in sectoral labor productivity and the structure of employees on the growth of total labor productivity. The paper also reflects the reasons for the uneven spatial development of the country and presents the contributions of industries to regional growth.
A simplified overview of the World Health Organization classification of central nervous system tumors 2021
Authors: Prajapati Hanuman Prasad , Kannaujia Sanjay Kumar 
Published: June 2022

Background:Building on the 2016 updated fourth edition and the work of consortium to inform molecular and practical approach to CNS tumor taxonomy, the major dramatic change occurs in 2021 fifth edition by advancing the role of molecular diagnostics in CNS tumor classification. The present review summarizes the major general changes in the 2021 fifth edition classification and the specific changes in each taxonomic category.Methods:The review was designed in accordance to the Preferred Reporting Items for Systematic Reviews and Meta-Analysis. Articles published in PubMed Central, Medline, and Embase databases till now were all searched. Only nonexperimental and nonanimal clinical studies were included in the study. Articles written only in the English language were considered.Results:All IDH mutant diffuse astrocytic tumors are considered in a single type “astrocytoma IDH mutant” and then graded as CNS WHO Grades 2–4. Pediatric-type diffuse gliomas are now classified as separate entity. Anatomical site is also taken into consideration to classify ependymoma. The “Desmoplastic myxoid tumor of the pineal region, SMARCB1 mutant” and “Atypical neurofibromatous neoplasm of unknown biological potential” are new tumor type added to pineal and neurofibroma group, respectively. Mesenchymal tumor is now termed as only solitary fibrous tumor. Adamantinomatous and papillary subtype of craniopharyngioma are now classified as distinct tumor type. The new term “Pituitary neuroendocrine tumor” has been coined for pituitary adenoma.Conclusion:The WHO CNS-5 introduces a new knowledge into the classification with progressive manner by introducing newly recognizing entities, by obsoleting tumor type, and by adjusting the taxonomic structure.
Apoplexy in sellar metastasis from papillary thyroid cancer: A case report and literature review
Authors: Hirayama Masahiro , Ishida Atsushi , Inoshita Naoko , Shiramizu Hideki , Yoshimoto Haruko , Kato Masataka , Tanaka Satoshi , Matsuo Seigo , Miki Nobuhiro , Ono Masami , Yamada Shozo 
Published: June 2022

Background:
Pituitary metastasis from papillary thyroid cancer (PTC) is rare and only a few cases have been reported.

Case Description:
We report the case of a patient who presented with visual dysfunction and panhypopituitarism. Magnetic resonance imaging revealed a pituitary tumor and hydrocephalus. Transsphenoidal surgery had been indicated, but his surgery had been postponed due to COVID-19 pandemic. During that waiting period, he showed pituitary apoplexy with consciousness disturbance, resulting in acute adrenal insufficiency and diabetes insipidus. He was urgently hospitalized and underwent transsphenoidal surgery. Rapid and permanent pathological examinations have confirmed metastasis of PTC to the pituitary. The patient also underwent serial thyroidectomy. He was also suspected to have secondary hydrocephalus and underwent lumboperitoneal shunting after excluding cerebrospinal fluid metastasis. Thereafter, his cognitive dysfunction and performance status improved dramatically.

Conclusion:
To the best of our knowledge, this is the first patient with PTC who developed pituitary apoplexy secondary to metastasis.
Intraoperative mobile computed tomography in deep brain stimulation: Comparison between Airo CT and O-arm CT
Authors: Servello Domenico , Saleh Christian , Zekaj Edvin 
Published: June 2022

Background:
A new intraoperative mobile device, called Airo computed tomography (CT), is becoming increasingly used in surgery adding to the current most widespread intraoperative imaging in form of the O-arm CT device. Intraoperative CT imaging has the advantage to reduce the discomfort derived from the patient’s transfer from the operative room to the radiological unit and also the time of control or time of reposition in cases of lead misplacement. This is the first rapport on Airo CT device application in DBS surgery.

Methods:
In our retrospective study, we have evaluated 52 patients who had DBS from October 2020 to November 2021. All patients underwent a preoperative brain magnetic resonance imaging (MRI) and a stereotactic brain CT scan. We performed an intraoperative CT scan with the Airo device. Images were subsequently transferred to the neuronavigation system (BrainLab cranial software) and merged with preoperative planning images to confirm correct position of leads. Five aspects were compared: patient and surgeon comfort, surgical planning, parenchymal visualization, radioscopic lead visualization, and costs.

Results:
Both imaging devices are easy-to-use, precise, and safe and have their pros and cons.

Conclusion:
This is the first study reporting on CT-Airo application in DBS. We advise that if only DBS is considered, the O-arm application might be more suitable. If in addition to DBS cranial surgery is performed, the Airo device is more suitable.
Ruptured traumatic posterior inferior cerebellar artery pseudoaneurysm: A case report and literature review
Authors: Ikeuchi Yusuke , Shimasaki Tomoya , Nitta Naoki , Yamamoto Yusuke , Ishii Taiji 
Published: June 2022

Background:
Traumatic intracranial aneurysm (TICA) accounts for approximately 1% of cerebral aneurysms. There are few reports of TICA limited to the posterior inferior cerebellar artery (PICA-TICA).

Case Description:
A 69-year-old woman fell into a shallow river, bruising her head and chest, and was admitted to our emergency department with disorientation. Computed tomography (CT) showed subarachnoid hemorrhage (SAH), intraventricular hemorrhage (IVH), left temporal lobe contusion, and fractures of the right temporal bone. A cerebral CT angiogram revealed no vascular abnormalities or aneurysms. The patient was in a semi-comatose state 2 h later, and CT showed worsening SAH. A cerebral angiogram revealed an 11 mm aneurysm of the anterior medullary segment of the right PICA. We attempted intra-aneurysmal embolization intending to preserve the PICA, but the aneurysmal neck was thin, and the microcatheter could not be placed in a stable position. Therefore, n-butyl-2-cyanoacrylate (NBCA) was injected to embolize the aneurysm. When the microcatheter was removed, NBCA was scattered distally in the PICA, and the distal PICA was occluded. The aneurysm could be embolized, but there was an increase in hemorrhagic contusion in the left temporal lobe. Decompression craniectomy was performed, but she died due to hemorrhagic contusion and uncal herniation 6 days after surgery.

Conclusion:
PICA-TICA is often accompanied by IVH and SAH, and there are some reports of cases with a vascular anomaly of the posterior circulation. Since TICA is at risk of rapid growth and rupture, an early and appropriate diagnosis is important.
Effect of Optiglaze Coating on the Staphylococcus aurous and Porosity of Heat Cured Acrylic Material
Authors: Rashid Amal A 
Published: June 2022

Background: Polishing technique for acrylic resin material have great effect on properties of acrylic material and bacterial colonization such as staphylococcus aurous, which are responsible for many acrylic prosthetic infections such as the commonly ocular infections. Ineffective polishing technique could affect roughness and subsequently porosity of acrylic materials.So, a new effective method for polishing acrylic was used depending on the use of optiglaze coating material. So, this study aimed to evaluate the effect of optiglaze polishing on porosity of acrylic resin material and staphylococcus aurous activity in comparison to conventional polishing technique.
Materials and methods: Specimen(n=120) were prepared :20 specimens constructed as circle shaped diameter 30mm with 1 mm thickness for porosity test (10 control polishing by conventional technique and 10 polishing by optiglaze technique). Other 82 specimens were prepared as circle specimen (6mm diameter and 1mm thickness) for sensitivity and adherences test ( each test have 20 specimens10 control and 10 optiglaze) and 42 specimens for viability test for three dilution,21 specimens for control and 21 for optiglaze (7 specimens for each dilution). Porosity were tested by light microscopic while agar well technique, adherence test and viability count test were tested for antibacterial activity of optiglaze against staphylococcus aurous.
Result: The high mean value for porosity test was recorded by control while low mean value was recorded by optiglaze group with significant differences between them. Sensitivity and adherence test high mean value recorded by optiglaze with highly significant differences in comparison to control. Viability count test all dilution 10-7 ,10-6, 10-5 showed highly significant reduction in viability count of staphylococcus aurous by optiglaze group in comparison to control. Conclusion Polishing technique by Optiglaze significantly decrease porosity of acrylic resin and this method inhibited growth of staphylococcus aurous, and decrease its viable count (have antibacterial effect) but had less effect in adherence of this bacterial in comparison to control.
Pelatihan Pengolahan Aplikasi Statistika Software SPSS bagi Guru-Guru Matematika SMA Negeri 01 Kefamenanu
Authors: Suddin Sulasri , Salsinha Cecilia Novianti 
Published: June 2022

Tujuan kegiatan pengabdian kepada masyarakat ini adalah untuk memberikan pemahaman bagi guru-guru matematika SMAN 01 Kefamenanu mengenai pengolahan data yang sesuai dengan desain penelitian. Hal ini dilatarbelakangi karena masih minimnya karya ilmiah yang dihasilkan guru yang disebabkan karena kurangnya pengetahuan guru akan pentingnya pengembangan profesi pendidik dalam melakukan penelitian serta kesulitan guru dalam mengolah data hasil penelitian terkait tehnik analisis data serta waktu yang diperlukan. Kegiatan pengabdian ini dilaksanakan sejak bulan Juli sampai dengan Agustus 2019 dengan sejumlah 15 peserta guru matematika. Kegiatan ini terdiri dalam tiga tahapan dimulai dengan persiapan, pelaksanaan dan terakhir tahap pembinaan. Pada tahap persiapan, pengabdi mengidentifikasi peserta yang belum dan telah mengenal serta menggunakan media olah data SPSS sekaligus penentuan topik materi pelatihan. Tahap kedua berupa pelaksaan yang diawali dengan penginstalan SPSS kemudian dilanjutkan dengan penyampaian materi serta simulasi berdasarkan lembar kerja yang diberikan. Pada tahap ini juga, peserta diberikan angket respon terhadap pelatihan yang telah dilakukan. Tahap terakhir berupa pembinaan. Berdasarkan kegiatan pelatihan yang telah dilaksanakan dapat disimpulkan bahwa kegiatan pelatihan ini memotivasi guru dalam melakukan penelitian karena adanya alat statistik SPSS yang memudahkan guru dalam mengolah data penelitian. Lebih lanjut, guru mampu melakukan pengolahan data penelitian sesuai dengan konsep korelasi dan regresi linear serta mampu menginterpretasikan hasil output SPSS yang diperoleh.
Sprit Pluralisme Dalam Konstruktur Karakter Bangsa Indonesia (Sebuah Pendekatan Sosio-Historis Pada Konsep Nation State)
Authors: Hasanah Aan 
Published: June 2022

The aim of this article is to discuss the pluralism values in building the nation characters. Indonesia consist of prular ethnis, nation, and religions that if its pluralisme is not well-maintained there will be secial conflict, even worse violence which result in many victims. Recent conflicts happen on behalf of communities, ethnic and even religion. To solve that problem, the nationcharacharecter neds to be built in order to creat a high-civilized, cooperative and peaceful nation. The nation-charchter can be build by the sprit of pluralism that is building the multi=cultural Indonesian into reak Indonesia who understand their position to build peaceful in Indonesia, the nation-character building is applied in two forms: autonomy and heteronomy that is the building from internal and esternal (anvironment) aspects.
Husband’s Sexual Violence: Protection Rights for Wives in Terms of Islamic and Indonesian State Law
Authors: Hayati Mulida , Ali Nuraliah 
Published: June 2022

This paper discusses the right to protect wives from husband's sexual violence, a perspective of Islamic law, the penal code, and the Law of Elimination of Domestic Violence. In recent years, violence to women has increased, while from a legal standpoint, it has not accommodated various problems related to sexual violence. Therefore, this paper reveals how these protections from three different law perspectives, and prove that these problems can be resolve through those laws. Through normative juridical research using grammatical and systematic interpretation methods, it was found that sexual violence in Islamic Law is categorized as a violation of honor which is punishable by ta’zīr. The punishments regarding violations of a person's freedom are in the form of imprisonment and banishment. In the Penal Code: Offense against decency and persecution. In the Domestic Violence Law: legal protection for victims in the form of physical, psychological, sexual violence. There is a correlation between these three different law perspectives, for instance, the equivalent view which perceives violent behavior as despicable behavior is prohibited, and threatens with imprisonment or ta’zīr. This synergy has implications for fulfilling human protection from violence, implementing a sense of security, and ensuring the survival of the community.
Features of solving the problem of condensation of vapor containing solid particles on the edge
Authors: Yakimov N. D. , Dmitriev A. V. , Badretdinova G. R. , Borisova S. D. 
Published: June 2022

THE PURPOSE. To evaluate the effect on the condensation process of contaminants contained in the steam and deposited on the surface of the cooled fins, for which to formulate a mathematical model of the process, to investigate its properties and to obtain quantitative estimates of the characteristics.METHODS. The equations of the mathematical model are based on the laws of conservation of energy and mass, their study and evaluation are carried out using analytical methods of the theory of differential equations, methods of similarity theory and dimensions, as well as numerical methods for solving boundary value problems.RESULTS. The formulation of the problem of condensation of vapor containing solid particles on the edge is formulated. The presence of a self-similar solution is revealed, which is represented as a dimensionless function of one variable, uniform for all sets of initial parameters. The relations describing the distributions of the thickness δ(x, τ) of the sediment and the temperature ϑ(x, τ) on a straight edge of unlimited height (l = ∞) with an initially clean surface (h0 = 0) are obtained. These relations also almost accurately describe the initial stage of such a process on a straight edge of a finite height l, until a sediment of noticeable thickness covers the entire surface of the rib, as well as the initial moments in the case of an edge on a round pipe, until the width of the sediment zone with a noticeable thickness is significantly less than the radius of the pipe.CONCLUSION. Using these distributions as the initial ones for edges of limited height instead of, for example, introducing a uniform initial layer h0, will allow achieving high accuracy of numerical calculations without excessive thickening of the grid in coordinate and time.
Research on optimization of vector control of an asynchronous motor using the analytical control system
Authors: Tsvetkov A. N. , Doan Ngok Shi , Yaroslavsky D. A. 
Published: June 2022

THE PURPOSE. The rapid development of electric transport requires the use of an energy-efficient drive in order to increase the range of runs between battery charges. This, in turn, requires research to optimize the electric drive system based on an asynchronous motor with a combined winding.METHODS.. A combination winding motor is a high performance motor with a stator winding consisting of a combination of two star and delta windings connected in parallel. The structure and mathematical model of the engine, which are the basis for constructing the engine control algorithm, are considered. The control algorithm based on determining the optimal value of the magnetic flux in the coordinates of the d - q axis to achieve low power losses, taking into account losses in the iron core and low magnetic saturations, helps to improve the efficiency of inverter control.RESULTS. The algorithm is pre-tested with several simulations and then experimentally verified by applying the proposed control technique to a 1.5 kW controlled field induction motor (FOC) drive.CONCLUSION. The obtained results are presented and discussed, demonstrating that the proposed inverter online control technique can significantly reduce the power loss of the electric drive.