bluuebunny/crossref_metadata_2025 huggingface dataset:
Mechanism of business entities innovative development management (organizational and economic approaches)
Authors: Zhilkina Y. , Vodennikov D. , Maslov I.
Published: October 2019

The development of the national economy and the increase of domestic enterprises competitiveness are associated with the transition to an innovative model of economic development. We proposed the structure of organizational and economic mechanism, which distinctive characteristic is the composition of the interaction process of subjects and objects of management. As subjects of management in mechanism we singled out three subsystems: functional, process and administrative which are the bases of innovative development. As a result of the research it is found that the process of innovative development management should be considered as a set of subprocesses series, reflecting the combination of the main stages of the innovation life cycle. We proposed scientific and methodical approach to evaluate the effectiveness of entities innovative development management, which allows us to assess their level of innovation and generate proposals for adjusting innovation strategy.
Risk management of the alternative power engineering
Authors: Rodina L.
Published: October 2019

The article summarizes the experience of risk neutralization arising due to the power generation from the alternative sources solar, wind, hydraulic power engineering on the basis of ebbs and flows, the use of biomass power plants, etc. At the same time, the tool for blitz diagnostics of risks of the alternative power engineering is proposed in order to substantiate the economic feasibility of investments. The results of the risk assessment application of alternative power engineering reduce the level of information uncertainty relating to the transition to new energy sources or diversification of energy supply.
Quasi-phase matching of harmonics generating in laser plasmas: experiment and theory
Authors: Stremoukhov Sergey , Ganeev Rashid , Andreev Anatoli
Published: October 2019

We compare the results of experimental and theoretical studies of the quasi-phase matching (QPM) of high-order harmonic generation (HHG) during propagation of two-color femtosecond pulses through the indium multi-jet plasmas. The role of number of coherent zones and size of plasma jets on the HHG efficiency at QPM conditions is analysed. We demonstrate the enhancement of the HHG efficiency due to QPM during laser-plasma interaction.
Super-nonradiative states in fractal quantum systems
Authors: Abramov Valeriy
Published: October 2019

Theoretically the relationships of the main parameters of active nanoobjects with the Higgs boson and the Higgs field in a fractal quantum systems, super-nonradiative states of physical fields are investigated. The estimations of numbers, mass and rest energy of the neutrino (solar, electronic), the rest energy of Majorana neutrino, dark matter are obtained.
Transformations properties of quantum optical signals in phase modulator
Authors: Trifanov Alexander , Trifanova Ekaterina
Published: October 2019

We investigate evolution of multimode quantum light in electro-optical modulator, using semiclassical model of phase modulation process. For the case of monochromatic incoming signal, we consider transformation of its spectrum and calculate statistical properties of each frequency mode. Particularly, we find that for the case of initial coherent state our result is covered by the well-known classical model. While for the case of initially squeezed state we observe single- and multi-mode squeezing in frequency spectrum of modulated light.
Generation of frequency combs and dissipative solitons in integrated microresonators in self-injection locking regime
Authors: Agafonova Sofya , Voloshin Andrey , Gorodnitskiy Alexander , Shitikov Artem , Lobanov Valery , Gorodetsky Michael
Published: October 2019

We developed a method to generate frequency combs that implements compact multimode diode laser. This technique allows for generating of low-noise frequency combs with the linewidth around 100 kHz due to self-injection locking effect.
Integration of nanodiamonds with NV-centers on optical silicon nitride structures
Authors: Elmanova Anna , Elmanov Ilia , Komrakova Sophia , Golikov Alexander , Javadzade Javid , Vorobyev Vadim , Bolshedvorskii Stephan , Soshenko Vladimir , Akimov Alexey , Kovalyuk Vadim , Goltsman Gregory
Published: October 2019

In this work we had developed optical structures from silicon nitride for further integration of the nanodiamonds containing NV-centers with them. We have introduced method of the nanodiamonds solution application on the substrates. The work has practical meaning in nanophotonics sphere and in development of optical devices with single-photon sources.
Digital design and parameters optimization for plasmonic circuits
Authors: Shesterikov Alexander , Leksin Andrey , Prokhorov Alexei
Published: October 2019

The mathematical models for the CAD-platform of plasmonic circuits design have been developed. This platform provides the efficient framework for computer-aided design of semiconductor quantum dots and full-field electromagnetic simulation of surface plasmon-polariton propagation in plasmonic waveguides. The topology of an all-plasmonic devices based on graphene layers and quantum dots is proposed for the first time.
Upconversion nanoparticles based on rare-earth elements
Authors: Zharkov Dmitrii , Leontyev Andrey , Smelev Artemii , Nikiforov Victor , Lobkov Vladimir , Alkahtani Masfer , Hemmer Philip
Published: October 2019

Using the hydrothermal method, we synthesized water soluble YVO4: Yb, Er nanoparticles with a size less than 10 nm. Nanoparticles exhibit intense luminescence in the green region due to Er3+ ions when excited by laser radiation at a wavelength of 980 nm as a result of the up-conversion process. Bright and stable luminescence also persists in an aqueous solution of nanoparticles. Based on experimental data, it can be argued that the objects obtained are promising in biological applications, as well as up-conversion phosphors.
Utilisation d’un groupe nominal de consensus en institut de formation en soins infirmiers : un éclairage sur la qualité de vie des étudiants
Authors: Joannot Barbara , Dauge Yannick , Boutte Jean-Louis
Published: October 2019

Contexte :  La situation des étudiants en soins infirmiers (ESI) de première année induit de nombreux changements dans plusieurs sphères d’activités, soient-ils personnels, familiaux ou scolaires, demandant à l’étudiant une adaptation rapide, pouvant modifier son équilibre et affecter sa qualité de vie (QdV). But : L’objectif était d’identifier, selon ces étudiants, principaux concernés par cette notion multidimensionnelle et considérés comme experts de leur QdV, les facteurs susceptibles de l’influencer. Méthode : Un groupe de 7 ESI volontaires de première année, d’un même institut de formation, ont été interrogés par la méthode du groupe nominal de consensus. Résultats : Les 7 ESI ayant participé mettent en avant le sommeil comme facteur prédominant en lien avec leur QdV. Le principal domaine qui selon eux favorise une bonne QdV est le social, regroupant la sphère amicale et l’encadrement de la part des formateurs. Conclusion : Cette étude apporte des pistes de réflexion sur la QdV des ESI, pouvant indiquer des pratiques quotidiennes des équipes pédagogiques ou pour le versant ingénierie de formation de la QdV chez les ESI.
Cooperation in the field of professional training of specialists in social work: experience of interaction between the UC SYD and NVSU
Authors: Bauer Elena
Published: October 2019

Social work is a new independent type of professional activities that needs to be analyzed from theoretical and practical perspectives. The paper describes the experience of cooperation of the University College of Southern Denmark (UC SYD) and Nizhnevartovsk State University (NVSU) on the issue of professional training of specialists in the field of social work. The article shows that the academic mobility of students and teachers enriches practical experience of specialists involved in the transfer of knowledge; enables students to correlate advantages and difficulties of training; develops an idea of unchanging requirements for the profession throughout the world. The results of cooperation are reflected in practical and theoretical planes and presented in the article.
Special aspects of communication in a multi-religious space of modern society
Authors: Bobyreva E V , Dmitrieva O A , Bocharnikova N V , Moseyko A A
Published: October 2019

The article is devoted to the peculiarities of communication in modern society. The following spheres of a religious discourse functioning are defined: communication in church, communication in small religious groups, communication of the person with God. Besides, each religion has its system of values. The system of values of each religion is not a stable phenomenon and can change with the change of society. Communication in a multi-religious society has some peculiarities. In order to overcome difficulties during communication in multi-religious space of modern society, it is important to know and consider the values of people professing this religion.
Sociocultural and legal aspects of the education-related migration in Russia
Authors: Filimonova Natalia , Romanyuk Elena , Godenko Aleksey , Davydova Marina
Published: October 2019

In this article, the prospects of the implementation of the new State migration policy framework of the Russian Federation for 2019-2025 as applied to student migrants are analyzed. We have studied the educational process for foreign students at all levels of higher education as a part of education-related (study-related) migration. We have defined the following three aspects: social, cultural, and legal as equivalent factors of adaptation and socialization for foreign students. We highlight that apart from the basic learning competencies, it is crucial to develop skills for communicating in the language of the host country while acknowledging the basic values of the social and cultural realia that are new for foreign students. The teacher has a significant role in the organization of the education process for foreign students. We have studied the stages of students’ adaptation and integration into the new sociocultural and academic environment. The hypothesis is that it is crucial to learn and take into account national and psychological characteristics of student migrants from around the world. We provide examples based on the research results of the adaptation analysisof Volgograd State Technical University foreign students. We also provide recommendations for the organization of the education process and communication with foreign students.
Diagnostics of professional challenges as a basis for designing a customized training strategy
Authors: Ibragimova Lilia , Kandaurova Anna
Published: October 2019

Diagnostics of professional challenges of teachers is an important issue for advanced professional training. Current and potential educational needs of modern teachers can only be met through a comprehensive diagnostics of their professional challenges. At the same time, the results of self-analysis and self-diagnostics do not provide comprehensive information for designing a customized training strategy and advanced training programs. The system of current and potential educational needs of teachers is based on the results of selfdiagnostics, self-analysis and reflection, peer review, professional examination, and analysis of legal, scientific and pedagogical sources and socio-cultural context. The identified educational needs of teachers determine the content and structure of a customized educational strategy, are transformed into educational objectives and determine the content of the advanced training programs providing for a continuous education of teachers.
The system of chemical and mathematical problems as a tool for the development of motivation of students of technical universities
Authors: Igtisamova Galiya , Yangirova Zemfira , Nosirov Doniyor , Yangirov Aydar
Published: October 2019

The research relevance is connected with the orientation of the modern model of education towards the formation of a competitive creative personality, with the need for constant self-improvement and self-development. It should be noted that the effectiveness of student learning is largely determined by the level of motivation, interest and personal participation of subjects. Therefore, the article is aimed at disclosing mechanisms for the development of students' learning motivation through a system of differentiated tasks. The leading approach to study of a problem was a personal approach, the purpose of which is to identify the issue under discussion from the point of view of dialogism, subjectivity and individuality. This document presents the characteristics of the developed and tested system of differentiated problems of mathematics, focused on the development of student learning motivation, as well as the provision of empirical data on the results of implementation. It also describes the principles on which we defined three levels of tasks in mathematics: “palgorithms”, “tasks of finding tasks” and “creative tasks”.
An Original Pedagogical Programme of Speed and Power Performance Training for 16-17-year-old Sprinters
Authors: Kievskaja Olga , Erohova Natalia , Aleksandrova Eugenia , Rafikova Nadezhda
Published: October 2019

The paper presents the results of implementation of the authors' training programme aimed at enhancing speed and power performance of 16-17-year-old sprinters realized from September 2018 – June 2019. The pedagogical study was conducted in three stages. At the first stage we analyzed 16 options for building a six-month cycle workout programme for sprinters of different qualifications. Using a series of pedagogical control tests, we tested 24 athletes of the third and second sports category to find their speed and power level. Then they were divided into two groups of 12 athletes: a control group and an experimental group. At the second stage we conducted a formative experiment in one of the groups to find the effectiveness of the training programme we had designed for the advanced specialization stage (n = 12). The third stage comprised data analysis and interpretation. The results showed that there was no connection between 30-meter-distance bounds and sports result. It was found that the programme designed for the experimental group leads to positive shifts during the competition period and has a positive effect on the physical development of young sprinters. The designed pedagogical programme aimed at tailoring a 6-month cycle of speed and power training for 16-17-year-old sprinters will reduce the time of mastering the sports technique.
On the Issue of Polite Appeals and Blessings in Indian English
Authors: Kurchenkova Elena , Palashevskaya Irina , Kurchenkova Maria
Published: October 2019

The primary purpose of this study is to investigate politeness as the culture-specific phenomenon, the actual manifestations of it in the Indian version of English. The study distinguishes some politeness fixed formulae in Indian English on the basis of the Speech Acts theory. It focuses on such culturally determined politeness patterns in Indian English as appeals and blessings, their functions and language features as compared with the ones in the standard version of British English. The use of polite appeals and blessings in Indian English is greatly influenced by age and gender restrictions and a traditional family structure with a Patrilineal background which has been followed since long ago. The choice of appeals and blessings in social interactions mainly depends on their basic strategies as speech acts. The study shows the points where two different lingua-cultures never meet.
Professional translation competence in advanced training process
Authors: Meshcheryakova Elena , Meshcheryakova Julia
Published: October 2019

The authors regard the technology for the translating competence improving within the training framework at the Institute of Foreign Languages. This article analyzes the basics for creating an online teaching course in order to progress translating skills seeing those as general professional training elements. The authors give a detailed overview of main translating professional competences, including their structure and classification, the ones needed to be improved in the professional development process. The system development aspects of translation competence enhancement are specified. The content and structure of appropriate translation skills and the abilities development program are considered. The authors analyzed a variety of skills technologies for developing translating skills. Professionally oriented translation skills are detailed as the translator development program components. The exercise typology used in teaching translation is considered. Some types of sample exercises for practical translation skills laboratory classes are given.
Comparative analysis of results of the pedagogical experiment on creative imagination development in speech impaired preschool children
Authors: Novikova Ekaterina
Published: October 2019

The relevance of the research is due to the fact that one of the most important mental processes in preschool children is creative imagination. Thanks to creative imagination, the child can find new ways to solve arising problems. The article reflects results of the ascertaining and control experiments and presents statistical data.
Improvement in the structure of Russian tax authorities: present status
Authors: Sadykov Timergaziz
Published: October 2019

The tax system existing in Russia needs further improvement.In the near future, its enhancement should be aimed at using tools of the tax system in order to increase the welfare of people and ensure stable growth of the national economy.This article highlights features of the tax system, the structure of tax authorities at the present stage.The author reveals peculiarities of their functioning and shortcomings, analyzes changes taking place.
Influence of gender factor in the process of analyzing professional sectoral personal identification (PSPI) of the leader
Authors: Shatokhin Alexandr
Published: October 2019

The article describes the features of the study of professional sectoral identification of a leader, taking into account the type of gender identification, temperament, style and management strategy. The paper presents the main results of the degree of professional sectoral identification of a manager. Today, issues of gender competition are the basis of the discussion platform throughout the world. Disputes about the influence of a gender factor on the organizational behavior of a manager do not fade away, but are only fueled by a growing public interest. Many see the gender factor as fundamental when choosing a manager’s position. In this regard, the study of the influence of gender aspects as an essential component of a successful leader is a prerequisite for the effective functioning of not only companies, but also society as a whole. The relevance of the study of gender differences in the field of managerial activity is justified by the possibility of using the conceptual apparatus of personality psychology and management theory, which makes it possible to use the potential of gender relations as one of the reserves for increasing the efficiency of managerial activity. Gender features of personality behavior in management activities are manifested in management strategies and are one of the factors determining the implementation of the managerial role. The key criterion, eloquently characterizing the specifics of management activities, is the management style in relation to their subordinates, which largely determines the success and dynamics of the organization’s development and on which the motivation of employees, their attitude to work, and relationships directly depend. In managerial practice, gender aspects encompass the characteristics of different approaches to the management of a team and a person, interpersonal relations, taking into account the male and female psyche and the characteristic features of intelligence.
Values dependence on generation identification
Authors: Sivrikova Nadezhda , Ptashko Tatyana , Chernikova Elena , Perebeynos Artem
Published: October 2019

In the article the communication problem between generations is considered in terms of differences of values. The authors generalize the results of research on the problem solved worldwide and provide data of an empirical research of differences in values of the Soviet, Transitional and Post-Soviet generations. At the same time values of the people identifying themselves with different generations are compared. 132 persons (72 women and 60 men) participated in the questionnaire. Sch. Schwartz's questionnaire is applied to studying values of people. Jonckheere-Terpstra test is used for mathematical data processing. Researchers confirmed a hypothesis that the existing differences in values of generations consist in a more impressed orientation of the senior generation to traditions and social norms, and more impressed orientation of the younger generation to the power and receiving pleasure. Results of the research confirm the universal trends in distinctions to values of generations consisting in stronger orientation of younger generations to values expressing interests of the individual and senior generations to values expressing interests of the group. Limitations and future research directions, possible implications of these results are also discussed.
Interpretation of signs in the conception of Ch.S. Pierce via predicabilia and categories of Aristotle
Authors: Sytko Yurii L. , Kuzina Olga A.
Published: October 2019

The article is devoted to the hypothesis explaining the order of signs' classes presented in the manuscripts and articles of Ch.S.Pierce via the diagram of relations of Aristotle's categories which was described in the first translation of Aristotle into Latin conducted after Boethius by Julius Pacius.The hypothesis allows explaining not only the order of categories in the Ch.S.Pierces diagram but also interpreting them via ten categories of Aristotle on the background of scholastic tradition of depicting relations.The conclusion is drawn that the theory of Ch.S.Pierce seems to be the development of Aristotle's doctrine of categories.The article can contribute to the history of philosophy.
An integrated approach to ensuring sustainable development of territories
Authors: Taranova Irina , Ivashova Valentina , Chaplitskaya Anastasia , Gunko Julia , Ponomarenko Marina
Published: October 2019

The article considers modern approaches to ensuring sustainable development of territories.The analysis of publications that set out best practices for harmonizing the socio-economic processes of several regions of the world is carried out.In general, they ensure the satisfaction of the population needs ofdifferent localization territories, has been carried out.The empirical part of the study shows the opinion of the regional community of the South of Russia with respect to the possibilities of implementing various approaches to ensure the balanced development of the strategically important territory of Russia.The role of developing regional brands, including rural tourism, for the sustainable development of the Stavropol Territory and improving the quality of life of the population is determined. The competitive potential of the Stavropol Territory, according to the expert community, is focused on the production of grain crops. On the second place are the resort and sanatorium services and opportunities for the development of rural and ethnic tourism. Not enough attention is given to the development of organic food production.
Ethnocultural and ethnodemographic features of the Mongols of China in the context of preserving the identity of non-Han peoples
Authors: Voronina Marina
Published: October 2019

The article analyzes ethno-demographic indicators of the non-Han Chinese people – the Mongols: the dynamics of their number, growth rates, gender and age structure, characteristics of their settlement, the share of the ethnic group in the population of administrative areas of China. The ethnoeconomic aspects of the Mongolian life of China were revealed: traditional activities and new industries based on the use of local mineral resources. The contribution of the Mongols to the sociocultural space of national suburbs, development of ethno-tourism and popularization of culture, customs and traditions were analyzed. The author uses information obtained during the field ethnographic research in the Duerbote-Mongolian Autonomous Region, Heilongjiang Province, China
Development and implementation of blended courses for Russian language teachers in Russia and abroad
Authors: Malykhina Tatyana , Zolotykhin Sergey , Larina Lyudmila , Kuzmina Alevtina , Pravednikova Tatyana
Published: October 2019

The growing popularity of massive open online courses (MOOC) stimulates teachers to appeal to the theory and practice of this philosophy. MOOCs are aimed at widespread involvement of students, improvement of their progress in studies, implementation of the principles of lifelong learning throughout life, support and development of their professional competence, etc. However, the mechanisms for implementing of the basic principles of MOOCs philosophy remain a subject of discussion. The article deals with theoretical approaches to solving a number of MOOCs problems connected with the use of a training video. The models for using a video content described in the article are given in the context of a blended Russian language learning project implemented at Kursk State University.
Real-time solar image classification: Assessing spectral, pixel-based approaches
Authors: Hughes J. Marcus , Hsu Vicki W. , Seaton Daniel B. , Bain Hazel M. , Darnel Jonathan M. , Krista Larisza
Published: October 2019

In order to utilize solar imagery for real-time feature identification and large-scale data science investigations of solar structures, we need maps of the Sun where phenomena, or themes, are labeled. Since solar imagers produce observations every few minutes, it is not feasible to label all images by hand. Here, we compare three machine learning algorithms performing solar image classification using Extreme Ultraviolet (EUV) and Hαimages: a maximum likelihood model assuming a single normal probability distribution for each theme from Rigler et al. (2012) [SpaceWeather10(8): 1–16], a maximum-likelihood model with an underlying Gaussian mixtures distribution, and a random forest model. We create a small database of expert-labeled maps to train and test these algorithms. Due to the ambiguity between the labels created by different experts, a collaborative labeling is used to include all inputs. We find the random forest algorithm performs the best amongst the three algorithms. The advantages of this algorithm are best highlighted in: comparison of outputs to hand-drawn maps; response to short-term variability; and tracking long-term changes on the Sun. Our work indicates that the next generation of solar image classification algorithms would benefit significantly from using spatial structure recognition, compared to only using spectral, pixel-by-pixel brightness distributions.
Trainieren Sie Ihren Achtsamkeitsmuskel
Authors: Losch Martina
Published: October 2019

Haben Sie sich bei der Arbeit im OP schon mal gefragt: Wie geht es mir? Was fühle ich gerade? Was könnte mir jetzt guttun? Fakt ist: Die Arbeitsbedingungen in der OP-Pflege sind aktuell schwierig. Darunter leidet auch immer häufiger die Psyche der Pflegenden. Eine Möglichkeit, um die eigenen Bedürfnisse besser wahrzunehmen, das Stressempfinden zu reduzieren und damit die Lebensqualität zu verbessern, ist das Konzept der Achtsamkeit. Wie Sie Ihren Achtsamkeitsmuskel trainieren, erklärt unsere Autorin.
More Than Fever - Novel Concepts in the Regulation of Body
Temperature by Thyroid Hormones
Authors: Mittag Jens
Published: October 2019

Thyroid hormone is well known for its profound effects on body temperature. This
minireview summarizes the recent discoveries on the underlying mechanisms,
including the role of the hormone’s central actions in the control of
brown adipose tissue thermogenesis, its effect on browning of white adipose
tissue, the possible involvement of thyroid hormone transporters, and the
potential contribution of its downstream metabolites such as
3-iodothyronamine.
Factors Affecting Dexamethasone Suppression Test
Results
Authors: Berlińska A. , Świątkowska-Stodulska R. , Sworczak K
Published: October 2019

Dexamethasone suppression tests are basic tools in diagnostics of
hypercortisolemia. Low-dose tests play major role in screening and initial
assessment. High-dose tests are aimed at more elaborate diagnostics, however
their clinical value is questionable. Dexamethasone is a highly potent,
synthetic steroid. It is metabolized by cytochrome P450 3A4 (CYP3A4), and so are
various other xenobiotics. Due to wide spectrum of substances processed by
CYP3A4, interferences and interactions are not uncommon. Physicians should be
familiar with drugs modifying dexamethasone metabolism, and therefore the
results of dynamic tests. Other important concerns are: drugs enhancing
cortisol-binding globulin production, organ dysfunction, pseudo-Cushing states,
pregnancy and other physiological conditions leading to elevated blood cortisol,
cyclic Cushing disease. To properly assess and assist patients, it is crucial
for health professionals to understand and be able to overcome such clinical
dilemmas.
Gram-Scale Solution-Phase Synthesis of Heptapeptide Side Chain of Teixobactin
Authors: Donikela Sangeetha , Nayani Kiranmai , Nomula Vishnuvardhan , Mainkar Prathama S. , Chandrasekhar Srivari
Published: October 2019

We report herein a scalable synthesis of linear heptapeptide side chain of the depsipeptide natural product teixobactin through solution phase. The synthesis of heptapeptide was achieved through an efficient coupling of suitably protected tripeptide and tetrapeptide comprising of three d-amino acids and four usual l-amino acid subunits.
12.4.5 Benzimidazoles (Update 2019)
Authors: Irudayanathan F. M. , Lee S.
Published: October 2019

This chapter is an update to the earlier Science of Synthesis contribution (Section 12.4) describing methods for the synthesis of benzimidazoles, which are of interest due to their biological properties. It covers various strategies and protocols, the most common of which involves the condensation of a benzene-1,2-diamine with a one-carbon unit.
30.1.2.3 Cyclic O,N-Acetals (Update 2019)
Authors: Minakata S. , Takeda Y.
Published: October 2019

This chapter is an update to the earlier Science of Synthesis contribution (Section 30.1.2), which describes synthetic methods and applications of cyclic O,N-acetals in organic synthesis. This update focuses on the enantioselective synthesis of cyclic O,N-acetals via asymmetric catalysis, which has witnessed significant advances in recent years. Also, recent applications of this class of compound in asymmetric organic synthesis are described.
32.4.4 Chloro-, Bromo-, and Iodoalkenes (Update 2019)
Authors: Huy P. , Czekelius C.
Published: October 2019

This update to Science of Synthesis Section 32.4 compiles methods for the synthesis of chloro-, bromo-, and iodoalkanes reported since 2007. Starting materials include alkenylmetal compounds, alkenes, haloalkanes, carbonyl compounds, enoic acids, alkynes, haloalkynes, and allenes, among others. The advantages and limitations of the different approaches and methods are discussed, and mechanisms are described briefly in order to rationalize regio- and stereoselectivities.
Spatial waveguide mode separation for acoustic waves in a meta-slab composed of subunits with graded thicknesses
Authors: Xu Yanlong , Cao Liyun , Peng Pai , Assouar Badreddine , Yang Zhichun
Published: October 2019

A meta-slab composed of subunits with graded thicknesses is proposed for spatially separating the zeroth- and first-order acoustic waveguide modes according to the generalized Snell's law. The phase velocity for the first-order mode depends on the waveguide thickness, whereas that for the zeroth-order mode does not. This enables the required phase-shift gradients of the meta-slab to be obtained for spatially separating the two waveguide modes. To design the meta-slab, analytic solutions are derived for the transmission coefficients and phase shifts of the incident acoustic waves with the two modes propagating through the subunits. Numerical simulations with transient finite-element analyses are implemented to demonstrate the propagation of the two waveguide modes. Sinusoidal signal and tone-burst excitations are applied in the analyses. The latter case shows that the two waveguide modes can be successfully separated in space by the designed meta-slab.
Verification of threading dislocations density estimation methods suitable for efficient structural characterization of AlxGa1−xN/GaN heterostructures grown by MOVPE
Authors: Moszak K. , Olszewski W. , Pucicki D. , Serafińczuk J. , Opołczyńska K. , Rudziński M. , Kudrawiec R. , Hommel D.
Published: October 2019

Selection of a suitable chemical etching method for threading dislocations density estimation is crucial for the structural characterization of epilayers grown by MOVPE and thus further for device fabrication. In this work, threading dislocations density in single layer and AlxGa1−xN/GaN periodical heterostructures has been investigated by means of chemical etching and XRD analysis. For chemical etching, two types of agents have been used: phosphoric acid (220°C/7.5min) and a molten mixture of KOH-NaOH (440°C/2.5min). Estimation of dislocation density has been carried out on the basis of SEM images. It was shown that defect-selective etching in molten alkaline solution is more effective than etching in phosphoric acid and provides more accurate data that are in agreement with data obtained from XRD characterization.
Electron transfer in photoexcited pyrrole dimers
Authors: Neville Simon P. , Mirmiran Adam , Worth Graham A. , Schuurman Michael S.
Published: October 2019

Following on from previous experimental and theoretical work [Neville et al., Nat. Commun. 7, 11357 (2016)], we report the results of a combined electronic structure theory and quantum dynamics study of the excited state dynamics of the pyrrole dimer following excitation to its first two excited states. Employing an exciton-based analysis of the Ã(π3s/σ*) and B̃(π3s/3p/σ*) states, we identify an excited-state electron transfer pathway involving the coupling of the Ã(π3s/σ*) and B̃(π3s/3p/σ*) states and driven by N–H dissociation in the B̃(π3s/3p/σ*) state. This electron transfer mechanism is found to be mediated by vibronic coupling of the B̃ state, which has a mixed π3s/3p Rydberg character at the Franck-Condon point, to a high-lying charge transfer state of the πσ* character by the N–H stretch coordinate. Motivated by these results, quantum dynamics simulations of the excited-state dynamics of the pyrrole dimer are performed using the multiconfigurational time-dependent Hartree method and a newly developed model Hamiltonian. It is predicted that the newly identified electron transfer pathway will be open following excitation to both the Ã(π3s/σ*) and B̃(π3s/3p/σ*) states and may be the dominant relaxation pathway in the latter case.
Edge effects on the high-frequency dynamics of Dzyaloshinskii domain walls
Authors: Shen Mao-Kang , Zhang Yue , Li Zai-Dong , You Long , Luo Wei , Yang Xiao-Fei
Published: October 2019

Chiral domain walls (DWs) in perpendicularly magnetized nanotracks (PMNTs) with interfacial Dzyaloshinskii-Moriya interaction (DMI) have become the primary objects of theoretical and experimental investigation due to their technological suitability in spintronic nanodevices. In this work, sway mode, a periodic dislocation of DWs, is found in a PMNT with a strong DMI under a high-frequency out-of-plane alternating magnetic field using micromagnetic simulation. This sway mode is out of prediction by the traditional collective coordinate method without considering edge effects. It is originated from DMI-related antisymmetric tilting of moments at two track edges, which results in inhomogeneous precession of moments throughout the DW under an out-of-plane alternating magnetic field. This work demonstrates the important role of edge effects to the dynamics of DWs with a strong DMI.
Optical absorption of Fe in doped Ga2O3
Authors: Bhandari Suman , Zvanut M. E. , Varley J. B.
Published: October 2019

This study investigates the Fe impurities believed to act as deep acceptors that contribute to electrical compensation of the n-type conductivity in as-grown Ga2O3. A variation of the traditional optical absorption measurement, photoinduced electron paramagnetic resonance (EPR) spectroscopy, is used to identify charge transitions in bulk Fe-doped and Mg-doped Ga2O3 with the support of hybrid functional calculations. Steady-state photo-EPR measurements show that the first optically induced change in Fe3+ occurs at 1.2 eV, significantly larger than the calculated defect levels for Fe. However, the optical cross section spectrum determined from time-dependent photo-EPR measurements compare well with a calculated cross section spectrum for the Fe2+-to-Fe3+ transition when the relaxation energy predicted from the density functional theory is folded into the model. This work explicitly demonstrates the need for an accurate accounting of electron-lattice coupling when interpreting optically induced phenomena.
Dual-potential approach for coarse-grained implicit solvent models with accurate, internally consistent energetics and predictive transferability
Authors: Lebold Kathryn M. , Noid W. G.
Published: October 2019

The dual-potential approach promises coarse-grained (CG) models that accurately reproduce both structural and energetic properties, while simultaneously providing predictive estimates for the temperature-dependence of the effective CG potentials. In this work, we examine the dual-potential approach for implicit solvent CG models that reflect large entropic effects from the eliminated solvent. Specifically, we construct implicit solvent models at various resolutions, R, by retaining a fraction 0.10 ≤ R ≤ 0.95 of the molecules from a simple fluid of Lennard-Jones spheres. We consider the dual-potential approach in both the constant volume and constant pressure ensembles across a relatively wide range of temperatures. We approximate the many-body potential of mean force for the remaining solutes with pair and volume potentials, which we determine via multiscale coarse-graining and self-consistent pressure-matching, respectively. Interestingly, with increasing temperature, the pair potentials appear increasingly attractive, while the volume potentials become increasingly repulsive. The dual-potential approach not only reproduces the atomic energetics but also quite accurately predicts this temperature-dependence. We also derive an exact relationship between the thermodynamic specific heat of an atomic model and the energetic fluctuations that are observable at the CG resolution. With this generalized fluctuation relationship, the approximate CG models quite accurately reproduce the thermodynamic specific heat of the underlying atomic model.
Accurate and efficient DFT-based diabatization for hole and electron transfer using absolutely localized molecular orbitals
Authors: Mao Yuezhi , Montoya-Castillo Andrés , Markland Thomas E.
Published: October 2019

Diabatic states and the couplings between them are important for quantifying, elucidating, and predicting the rates and mechanisms of many chemical and biochemical processes. Here, we propose and investigate approaches to accurately compute diabatic couplings from density functional theory (DFT) using absolutely localized molecular orbitals (ALMOs). ALMOs provide an appealing approach to generate variationally optimized diabatic states and obtain their associated forces, which allows for the relaxation of the donor and acceptor orbitals in a way that is internally consistent in how the method treats both the donor and acceptor states. Here, we show that one can obtain more accurate electronic couplings between ALMO-based diabats by employing the symmetrized transition density matrix to evaluate the exchange-correlation contribution. We demonstrate that this approach yields accurate results in comparison to other commonly used DFT-based diabatization methods across a wide array of electron and hole transfer processes occurring in systems ranging from conjugated organic molecules, such as thiophene and pentacene, to DNA base pairs. We also show that this approach yields accurate diabatic couplings even when combined with lower tiers of the DFT hierarchy, opening the door to combining it with quantum dynamics approaches to provide an ab initio treatment of nonadiabatic processes in the condensed phase.
Ring opening dissociation of cationic twisted conformer by conformer-specific cyclopentanone photoionization
Authors: Lee Yu Ran , Kim Myung Hwa , Kwon Chan Ho
Published: October 2019

We investigated the dissociation processes of a cationic conformer, induced by conformer-specific photoionization of cyclopentanone (CP) using a one-photon vacuum ultraviolet (VUV) laser pulse of energy in the range 9.24–9.92 eV for a few nanoseconds, generated by four-wave difference frequency mixing in a Kr cell. The adiabatic ionization energy of the CP was accurately determined to be 9.2697 ± 0.0009 eV, based on the VUV photoionization efficiency curve obtained using high-resolution VUV-photoionization time-of-flight (TOF) mass spectroscopy. The constructed potential energy contours, associated with the twisting and out-of-plane motions in the S0 and D0 states, revealed that the ionization energy value corresponded to a twisted conformer with C2 symmetry at the global minimum. Subsequently, the low photon energy above the ionization onset of the twisted conformer in the CP led to C2H4 elimination, producing a C3H4O+ fragment directly prior to CO elimination for the C4H8+ fragment. The appearance energies for the C3H4O+ and C4H8+ were determined to be 9.7068 ± 0.0017 eV and 9.7483 ± 0.0017 eV, respectively, by measuring the fragmentation yield curves for two fragments analyzed in the TOF mass spectra. The formation enthalpy for each fragment ion at 0 K, evaluated using the measured and thermochemical data, enabled the realization of plausible structures for the produced fragment ions. Consequently, based on the results of the quantum chemical calculation on the dissociation processes of the twisted CP cation (t-CP+), we suggest that the fragmentation processes to C3H4O+ and C4H8+ correspond to the methylketene and (E)-2-butene cations, respectively.
On the standard conjecture for a

-dimensional variety fibred by curves with a non-injective Kodaira–Spencer map
Authors: Tankeev S. G.
Published: October 2019

We prove that the Grothendieck standard conjecture of Lefschetz type holds for a complex projective 3-dimensional variety fibred by curves (possibly with degeneracies) over a smooth projective surface provided that the endomorphism ring of the Jacobian variety of some smooth fibre coincides with the ring of integers and the corresponding Kodaira–Spencer map has rank

on some non-empty open subset of the surface. When the generic fibre of the structure morphism is of genus

, the condition on the endomorphisms of the Jacobian may be omitted.
Proof of the Grothendieck–Serre conjecture on principal bundles over regular local rings containing a field
Authors: Panin I. A.
Published: October 2019

Let

be a regular local ring containing a field. Let

be a reductive group scheme over

. We prove that a principal

-bundle over

is trivial if it is trivial over the field of fractions of

. In other words, if

is the field of fractions of

, then the map

of the non-Abelian cohomology pointed sets induced by the inclusion of

in

has trivial kernel. This result was proved in [1] for regular local rings

containing an infinite field.
Retrospective analysis of utilisation of the Australian Child Dental Benefit Scheme
Authors: Putri Dina Eka , Kruger Estie , Tennant Marc
Published: October 2019

Objective
The Child Dental Benefit Scheme (CDBS), which provides dental services for targeted children in Australia, was implemented in 2014. Currently there is no information available on the cost and utilisation patterns of this publicly funded scheme. This study aimed to analyse the pattern of dental visits under the CDBS, as well as the cost of the CDBS over the first 2 years of operation.

Methods
This study was a retrospective descriptive analysis, using data from Medicare Statistics (an Australian Government website) from two calendar years (2014 and 2015).

Results
Nationally, the number of CDBS patients declined by 16.3% after the first year, and patients were predominantly aged 5–14 years. Preventive services were the most used service, and contributed to approximately 30% of total expenditure.

Conclusion
The utilisation of CDBS is considered to be low.

What is known about the topic?
Previous government dental schemes in Australia resulted in inequalities in utilisation of the scheme by targeted groups. The CDBS was implemented with an extension of eligibility criteria and services offered as a means to improve access to dental care.

What does this paper add?
There is no information available on the utilisation and cost patterns of the CDBS; hence, this study analysed the pattern of utilisation and the cost of the CDBS over the first 2 years of operation.

What are the implications for practitioners?
It is important that practitioners promote the scheme among those eligible to enable targeted populations access to the scheme and to ultimately improve child oral health.
Discourse-pragmatic conditions for Object topicalisation structures in early L2
Chinese
Authors: Zhang Yanyin
Published: October 2019

In this chapter, I explore the connection between language processing and
discourse-pragmatic factors in the L2 acquisition of three (Mandarin) Chinese Object
topicalisation structures. Processability Theory (Pienemann, 1998, 2005) and Information
Structure Theory (Lambrecht, 1994) are employed to
investigate when the required processing procedures are in place in the learners’ L2
Chinese, what facilitates the learners’ discourse-pragmatic interpretation of the
communicative context such that among various structural possibilities, they choose the
non-canonical Object topicalisation structures. Two longitudinal studies of 6
ab-initio L2 learners of Chinese in two learning environments were
examined. The findings show three types of discourse contexts to be particularly conducive
for the production of the Object topicalisation structures: (1) Question and Answer
(Q&A) sequences; (2) the presence of a local inanimate topic (an inanimate NP being the
sentence topic at a particular point of a conversation); and (3) the ‘disposal’ situation.
The study enhances our understanding of the discourse-pragmatic conditions that motivate and
trigger L2 structural choices under the general constraints of processability.
The Orthographic Rules of the Eighteenth Century Armeno-Persian Gospels of the Matenadaran (Ms. 8492, Ms. 3044)
Authors: Kirakosian Hasmik
Published: October 2019

The Persian Gospel codices of the Matenadaran collection, written in Armenian script in the eighteenth century in Shamakhi and Ganja, are important sources for the study of the interethnic, interfaith, and intercultural circumstances of historical Shirvan (located in Transcaucasia) of that period. These manuscripts are also considered to be essential sources for the study of inter-linguistic issues of Armenian and Persian, the Armenian orthographic rules of that period, and one of the local versions of Persian, spoken in Shirvan. In the eighteenth century, Persian was the interethnic contact language of this area and the manuscripts examined here were written for the Christian Armenians of the region. This article presents how the Armenian alphabet reflects the phonetic system of eighteenth century Persian spoken in Shirvan using the orthographic rules of Armenian.