bluuebunny/crossref_metadata_2025_split huggingface dataset:
Prevalence of Accessory Branches and Other Anatomical Variations in the Radial Artery Encountered during Radial Forearm Flap Harvest: A Systematic Review and Meta-analysis
Authors: Hoffman Ryan D. , Danos Denise M. , Lin Samuel J. , Lau Frank H. , Kim Peter S. 
Published: June 2020

AbstractBackground Harvest of the radial forearm flap (RFF) for reconstructive surgery is proceeded by the Allen test to assess for adequate contralateral perfusion of the hand, yet the Allen test may fail to detect anatomical variations in the radial artery such as aberrant branching. Therefore, the goal of this study was to systematically review the literature regarding anatomical abnormalities of the radial artery that can affect flap harvest and to perform a meta-analysis to estimate the prevalence of such abnormalities.Methods A systematic review of the literature was conducted using five online databases to identify all instances of radial artery anatomical variations. Abstracts were reviewed and categorized into either (1) large cohort studies of anatomical variations identified by angiogram or (2) case reports specifically mentioning anomalous or accessory branches of the radial artery. Data from the large cohort studies were included in a random effect meta-analysis to estimate the prevalence of such variations.Results Eighteen angiogram cohort studies containing a total of 18,115 patients were included in the meta-analysis. Accessory branches were the least common anatomical variant reported, with an estimated average prevalence of 0.5%. Prevalence estimates for more common anatomical variants, including radial artery loops (0.9%), stenosis (1.3%), hypoplasia (1.9%), tortuosity (4.3%), and abnormal origin (5.6%), were also calculated. Thirteen case reports detailing anomalous branches of the radial artery were identified, seven of which involved accessory branches encountered during RFF harvest with no incidence of flap loss.Conclusion Radial artery accessory branches are exceedingly rare, but the prevalence of other anatomical variations that can affect harvest of the RFF warrants consideration. We recommend surgeons consider comprehensive screening prior to RFF harvest to avoid intraoperative discovery of anatomical variants and suggest a low threshold for repeat perfusion testing intraoperatively if radial artery accessory branches are encountered.
Evaluation of Staging at Diagnosis and Its Relationship with Survival Duration in Nonsmall Cell Lung Cancer Cases in Southern India
Authors: Hosmane Giridhar Belur , Venkataram Rajesh , Shetty Vijith , Jacob Ankeeta Menona , Chakraborty Anirban 
Published: June 2020

Abstract
Introduction Lung cancer is one of the most common forms of malignancies worldwide. It is usually diagnosed in late stages due to overlapping symptoms with other respiratory illnesses. Identifying the stage at presentation to tertiary care determines the prognosis of a patient to large extent.
Methods Histologically/cytologically confirmed cases of nonsmall cell lung cancer subjects were included for prospective observational study. Stages of the disease at presentation and survival duration in the patients were studied and the data were compared between two groups: those that accepted and those that refused standard treatment.
Results Ninety-two percent of our patients presented either stage IIIB or stage IV disease at the time of diagnosis. Median duration of survival in the group that took standard treatment was 6 months, whereas in the group that refused standard treatment, it was 4 months. Based on their smoking status, the median duration of survival was 4 months among smokers, whereas it was 9 months among nonsmokers with a log rank test value of 3.040 and an insignificant p-value of 0.081.
Conclusion More than 90% patients presented in later stages of the disease and there was no survival benefit in patients who were treated with palliative care.
Are the Central Flores languages really typologically unusual?
Authors: Elias Alexander 
Published: June 2020

Abstract
The languages of Central Flores (Austronesian) are typologically
distinct from their nearby relatives. They have elaborate numeral classifier systems, quinary numeral systems, and lack all bound morphology. McWhorter (2019) proposes that their isolating typology is due to
imperfect language acquisition of a Sulawesi language, brought to Flores by settlers
from Sulawesi in the relatively recent past. I propose an alternative interpretation,
which better accounts for the other typological features found in Central Flores: the
Central Flores languages are isolating because they have a strong substrate influence
from a now-extinct isolating language which belonged to the Mekong-Mamberamo linguistic
area (Gil 2015). This explanation better
accounts for the typological profile of Central Flores and is a more plausible contact
scenario.
From Lamaholot to Alorese
Authors: Klamer Marian A.F. 
Published: June 2020

Abstract
Alorese is a prime example of a morphologically isolating language.
This paper traces the process of morphological simplification it has undergone by
addressing the following questions: (i) What was the morphological profile of its
ancestor, pre-Alorese? (ii) When did Alorese start to lose its morphology? (iii) Which
factors caused this loss? By comparing the morphological profile of current Alorese with
its sister language, Lewoingu-Lamaholot, I conclude that the morphology of pre-Alorese
was at least as complex as current Lewoingu-Lamaholot. Pre-Alorese underwent a process
of drastic and swift morphological loss after its speakers migrated to Pantar island
around 1300 AD. Pre-Alorese must have had a significant proportion of adult second
language speakers who acquired it imperfectly, thus causing its morphology to be lost.
Thus, this is a good example of morphological simplification due to imperfect adult
learning in a small-scale language variety.
Double agent, double cross?
Authors: Williams-van Klinken Catharina , Hajek John 
Published: June 2020

Abstract
In East Timor, there have been centuries of contact between the
strongly isolating Austronesian language Tetun Dili and the morphologically-rich Romance
language Portuguese. In all this time, only one derivational morpheme has been borrowed
into Tetun Dili for use with native lexicon. This is -dor, a
transparent agentive suffix which neatly fits the word order and stress patterns of
existing Tetun Dili agentive compounds. Tetun Dili has borrowed numerous nouns with this
suffix. However when in combination with native roots, it has shifted in terms of its
semantics, word class of the root and derivation, and even word status, bringing it more
in line with pre-existing native agentive morphemes. In other words, Tetun’s strongly
isolating nature has won, at least for now.
Relativistic kinematics of two-particle scattering reactions with participation of tachyons
Authors: Samsonenko N V , Semin M V 
Published: June 2020

Abstract
The paper discusses limitations resulting from the laws of conservation of energy and momentum in the processes of elastic and quasi-elastic scattering of relativistic particles with the participation of tachyons, luxons, and bradyons. The obtained expressions for the particle energies are given in the center-of-mass system in the generally accepted Mandelstam variables. Using the laws of conservation of energy and momentum, several channels of reactions of ultrarelativistic particles of high energy in cosmic rays have been considered. It has been shown that on the basis of the expressions obtained, assuming the existence of particles with imaginary masses — tachyons, the effect of “red shift” can be explained.
Influence of the magnetic interactions on the mass spectrum of elementary particles
Authors: Samsonenko N V , Ndahayo F , Alibin M A 
Published: June 2020

Abstract
Different approaches to the problem of mass quantization are discussed. The Barut ideas of crucial influence of magnetic forces for explaining the properties of the strong interaction are considered in details. It is shown that this approach gives the possibility to understand the enormous number of elementary particles (about 400) as the excited states of stable fundamental particles (e, p, v), bounded by magnetic interactions.
The lattice Hamiltonian modeling for active nematic liquid crystals with disclinations and oriented surfaces
Authors: Elnikova L V , Belyaev V V 
Published: June 2020

Abstract
We study the system of colloid active nematic liquid crystals evolving with transformation of the structure of surface linear topological defects. We estimate numerically the SO(2) Hamiltonian of the BKT model for disclinations on the surfaces connected with flows, which can participate in the defect ordering transitions.
Universal central extensions of superalgebras with bracket
Authors: Pinchuk I A 
Published: June 2020

Abstract
Superalgebras and, in particular, Lie superalgebras and Poisson superalgebras play an important role in theoretical physics. For example, one of the applications of such algebras is in supersymmetric unified field theories for describing bosons and fermions. In this regard, any research in the theory of superalgebras turns out to be significant from the point of view of theoretical physics. The article discusses some generalizations of Poisson superalgebras, namely, a superalgebra with a bracket. For these superalgebras, a universal central extension is constructed and the kernel of such an extension as the second homology group of the superalgebra with coefficients in the trivial module is calculated.
Transfer of water molecules in presence of low density water vapor
Authors: Konyukhov V K , Valentinova N I 
Published: June 2020

Abstract
Problems of molecular transfer in gas environment are considered with assumption that part of water molecules may change their properties to provide transfer process. This change consists in increase of dimension of vector space, which used to describe transfer process, from 3 to 4. Other cases of extending of dimension of vector space are particular considered. At first, relations between affine group and Markov chain is considered. An action of Markov chain matrix as affine matrix is analyzed with result that point with coordinate number equal 1 is fixed point on straight line.
The hydrothermal synthesis and RTA conditions influence on the Y2O3:Eu nanosized phosphors microstructure
Authors: Vlasenko A B , Bakhmetyev V V , Khristyuk N A 
Published: June 2020

Abstract
When developing new methods for the diagnosis and treatment of cancer, the use of nanomaterials may be promising. One of the ways to improve and expand the fields of application of radiation and photodynamic therapy of cancer is the use of drugs containing nanosized phosphors. The aim of the work was to study the effect of the duration of hydrothermal synthesis and the conditions of rapid thermal annealing (RTA) on the Y2O3:Eu nanosized phosphors microstructure. The hydrothermal synthesis technique was carried out in two ways: chloride (precipitation from a chloride solution using NaOH and NH4OH precipitators) and acetate (decomposition of mixed acetate without a dispersant, as well as with PEG-200 and PEG-2000 dispersants). Hydrothermal synthesis was carried out at a temperature of 230 °C for 6–24 hours. Rapid thermal annealing was carried out at a temperature of 600–800 °C for 5–20 minutes. As a result of our work, the Y2O3:Eu nanosized phosphors which particle size does not exceed 200 nm is synthesized.
Kinetics of electrical characteristics of balanced SHF mixer based on resonant-tunnelling diodes under operational factors influence
Authors: Cherkasov K. V. , Meshkov S. A. , Makeev M. O. , Ivanov Yu. A. , Khlopov B. V. 
Published: June 2020

Abstract
The purpose of this study is to analyze the impact of high temperature and gamma-irradiation on the electrical characteristics of the balanced SHF mixer based on the resonant-tunnelling diodes during its operation. Failures caused by irreversible changes in the nonlinear element’s electrical characteristics under the mentioned operational factors’ effect investigated. Revealed that the failure is caused by the mixer’s combination frequency 1-1 conversion loss’ growth. Individual times to failure, matching the mixer’s actual operating conditions, were obtained.
To the choice of spectral region for laser based analysis of molecular gases at strong interference of absorption spectra
Authors: Stepanov E V , Kasoev S G , Yulina G N , Kotelnikov S N 
Published: June 2020

Abstract
The interference of the absorption bands of H2O, CO2, and several gaseous biomarkers was analyzed in the middle and near-IR spectral region using the HITRAN2006 database. It was demonstrated that the problem o f the vibration-r o tation band interfere nce for detected and interfering gases is aggravated in the near-IR spectral region. This aggravation is caused not only by the decrease in the absolute band intensity for overtones and combination bands of the molecular vibrations but also by the relative increase in the absorption in H2O lines and high density of CO2 lines in the near-IR spectral region
Simulation and analysis of physical characteristics of a molecular beam in a collimator using methods of kinetic theory
Authors: Komarov E , Kloss Yu Yu , Tcheremissine F G , Sazikina T A , Abannikov V V 
Published: June 2020

Abstract
The paper is dedicated to the study of gas outflow from a vessel for the case of a simple collimator and to the determination of molecular beam and collimator characteristics enabling a maximum reduction in the beam width. A software system was developed for studying gas flow in various geometries using the GP-GPU.
Computer models of gas-dynamic processes of radionuclides behavior in thermal emission converter of nuclear power plant
Authors: Sherbakov D V , Kloss Yu Yu , Yu Lyubimov D , Orazbaev A N , Tcheremissine F G , Tataurov P A , Knyazev A N 
Published: June 2020

Abstract
The paper is devoted to the application of numerical solution of the Boltzmann equation method for modeling the behavior of radionuclides (Xe and Kr) in the inter-electrode gap and the vacuum-cesium channel of a thermionic reactor-converter, which is used in a space nuclear power generator. In this work, we developed modeling techniques and implemented them in a software package, that is using the algorithm of simultaneous calculations for the left side of the Boltzmann equation. We performed series of calculations for different initial flux of radionuclides and evaluated the dependence of the radionulcides output flux on the input flux for two areas of the reactor.
Simulation of gas-dispersed flow particles’ interaction with a solid body
Authors: Amelyushkin I A , Stasenko A L 
Published: June 2020

Abstract
Mathematical models and numerical algorithms for the interaction of particles of an aerosol stream with a r elief surface of a s olid are developed as applied to the problem of aircraft icing. The developed technique allows to study the interaction of particles with a solid a various speeds and particles’ sizes the spreading coefficient characterizing the hydrophobic properties of the surface.
The influence of ice crystals on the evolution of run-back ice in mixed icing conditions
Authors: Kashevarov A V , Miller A B , Potapov Yu F , Stasenko A L , Tokarev O D , Zhbanov V A 
Published: June 2020

Abstract
In the framework of the development of physical and mathematical models of icing in crystalline and mixed conditions and their verification, the effect of ice crystals in the airflow on the evolution of run-back ice on the surface of a wing model for tests in icing facility is numerically studied. The results confirm that the experimentally observed change in the mass of ice deposits with the introduction of crystals into the flow is associated with the absorption of a part of the mass of crystals by the film at low flow rates and with the film splashing at higher speeds.
Study of Magnetic Field Influence on the Stationary Plasma Thruster Plume
Authors: Bishaev A M , Abgaryan M V 
Published: June 2020

Abstract
The purpose of this paper is to study the magnetic field influence on the stationary plasma thruster (SPT) plume. In consideration of collisionless motion of ions, it is possible to write an expression for distribution function for ions leaving a ring opening. Further, the pattern of ion density calculation is built as of the corresponding integral of distribution function. Results of calculations made using the constructed pattern are given.
The MHD stability investigation of an aluminum electrolyzer under various process conditions
Authors: Savenkova N P , Yu Mokin A , Udovichenko N S 
Published: June 2020

Abstract
For analysis, the MHD electrolyzer was adapted to a three-dimensional mathematical model, which uses a multiphase approach to the description of the medium (aluminum, electrolyte and gas), as well as to hydrodynamic, electromagnetic, thermal and electrochemical processes in the bath. Test calculations were carried out, which confirmed the model adequacy and the presence of the proposed numerical solutions to the problem with sufficient accuracy. The suggestion that the Soderberg electrolyzer is less MHD-stable than the multi-anode electrolyzer was confirmed. The impact on the MHD stability of various initial configurations forms has been assessed. The influence of a potential change on the MHD-stable form of the bath working space is investigated.
Interaction of corona discharge plasma with a disperse media
Authors: Bychkov V , Chernikov V , Deshko K , Goryachkin P , Mikhailovskaya T , Shvarov A 
Published: June 2020

Abstract
Results of experimental research on influence of corona discharge on the disperse medium - clay are described. The role of the corona discharge influence in the change of its electrical conductivity is revealed. Features of changes in the concentrations of certain chemical elements under the influence of the corona discharge on the clay have been revealed.
The electromagnetic problems of interplanetary spacecraft communication
Authors: Kirdyashev K P 
Published: June 2020

Abstract
The results of the radio frequency emission measurements from the ground-based experiments using electric propulsion engine applied to electromagnetic compatibility evaluation of spacecraft radio communication. The report presents the way of looking at the electromagnetic compatibility problem based on experimental and theoretical investigations of the physical foundation of the electromagnetic field generation by the electric propulsion engines. The approach under review allows evaluating the electromagnetic performance characteristics depending on thruster construction and engine operating modes.
Coefficient Bounds Problem For Functions associated with Universally Prestarlike Functions
Authors: Mary Joseph Lourthu , Shanmugam T N 
Published: June 2020

Abstract
Universally prestarlike functions of order α ≤ 1 in the slit domain Λ = C \ [1, ∞) have been introduced by S. Ruscheweyh. This notion generalizes the corresponding one for functions in the unit disk Δ (and other circular domains in C). In this paper, we obtain coefficient bounds for certain class of analytic functions associated with universally prestarlike function.
Classes of Analytic Functions Involving a Generalization by the Srivastava-Attiya Operator
Authors: Ghanim F , Aljarah Anas , Al-Janaby Hiba F 
Published: June 2020

Abstract
In this research article, we present a class defined by a new generalization operator

ϒ

(

χ
K

)
,
(
ω
ℓ
)
,
σ

μ
,
℘
,
χ
,
ε
,
ζ
,
ψ

one that is studied and investigated recently by many authors. We present several important properties for the function f (z) which belongs to the class

Ξ

(

χ
k

)
,
(

ω
ℓ

)
,
σ

μ
,
℘
,
χ

(
A
)

in the unit disc.
The Fifth Coefficients of Strongly Convex Functions
Authors: Daniswara Krisna Adilia , Marjono  , Bagus E W R 
Published: June 2020

Abstract
Let the function f be analytic in ↁ = {z : |z| < 1} and given by

f
(
z
)
=
z
+

∑

n
=
2

∞

a

n

z

n

. For 0 < α ≤ 1, let C(α) be the class of strongly convex functions defined by

|
arg
⁡

(
1
+

z

f

′
′

(
z
)

f

′

(
z
)

)

|

<

π
α

2

. We give sharp bounds for the fifth coefficient |a
5|.
The Existence of Global Weak Solutions for Singular Parabolic System of p-Laplacian Type
Authors: Akbar P R , Karim Corina , Bagus E W R 
Published: June 2020

AbstractWe study the existence of global weak solutions for Cauchy-Dirichlet problem forp-Laplacian systems in the singular case. Here, we treat the existence of global weak solutions using Galerkin method where the initial data belonging to the Sobolev spaceW1, p(Ω, ℝm). The main result is to show the validity of theorem of global weak solutions for Cauchy-Dirichlet problem for singular case only.
Tribological and physical performance of micro bearing concept for diluted epoxy filled with UHMWPE composite
Authors: Aizuddin Ariffin Ahmad , Zafir Romli Ahmad , Noor Idayu Nik Ibrahim Nik 
Published: June 2020

Abstract
Short fillers have been widely used as reinforcing agents due to their successful effects on composite materials. However, studies for short fillers were mainly focusing on even dispersion of fillers in the composite system. As for the application related to bearing, the fillers needed to be deposited on the surface to improve the physical and tribological properties. Therefore, in this study, the fundamental of micro bearing concept was imparted by relating to the rheological study of polymer. These relations can be supported by the theory of particulate fillers in suspensions according to Modified Mooney-Einstein’s Theory of Viscosity. The Ultra High Molecular Weight Polyethylene (UHMWPE) fillers, which possess high wear resistance, were fabricated with epoxy resin. The mixture was prepared by diluting with acetone solvent and varying the filler loadings percentage for 1%, 3%, 5%, 7%, and 10%, accordingly. Based on the results observed, there were increment up to 41.7% for viscosity value. For the wear test, the results showed decrease in the wear rate up to 72.0%. For the hardness test, the results indicate increment in the hardness value up to 94% compared to UHMWPE alone. For the density test, the results showed decrease in the density value up to 3.8%.
A novel semi-analytical solution to Jeffery-Hamel equation
Authors: Nourazar Salman , Dehghanpour Hamid Reza , Ramezani Mohammad 
Published: June 2020

Abstract
A new approach based on the Adomian decomposition and the Fourier transform is introduced. The method suggests a solution for the well-known magneto-hydrodynamic (MHD) Jeffery-Hamel equation. Results of Adomian decomposition method combined with Fourier transform are compared with exact and numerical methods. The FTADM as an exclusive and new method satisfies all boundary and initial conditions over the entire spatial and temporal domains. Moreover, using the FTADM leads to rapid approach of approximate results toward the exact solutions is demonstrated. The second derivative of Jeffery-Hamel solution related to the similar number of items of recursive terms under a vast spatial domain shows the maximum error in the order of

10

−
5

comparing to exact and numerical solutions. The results also imply that the FTADM can be considered as a precise approximation for solving the third-order nonlinear Jeffery-Hamel equations.