cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
EPQ MODELS WITH MIXTURE OF WEIBULL PRODUCTION EXPONENTIAL DECAY AND CONSTANT DEMAND
Creators: name: V. Sai Jyothsna Devi
name: K. Srinivasa Rao
Publisher: name: Reliability: Theory & Applications
Year: 2021
Subjects: Stochastic production
Mixture of Weibull Distribution
Exponential decay
Production Schedules
Sensitivity analysis

description: This paper deals with an economic production quantity (EPQ) model in which production is random and having heterogeneous units of production. The production process is characterized by mixture of Weibull distribution. It is assumed that the demand is constant and the lifetime of the commodity is random and follows an exponential distribution. Assuming that the shortages are allowed and fully backlogged the instantaneous state of inventory in the production unit is derived. The minimizing the expected total production cost, the optimal production quantity, the production uptime and downtime are derived. Through sensitivity analysis it is observed that the random production with mixture distribution have a significant influence on the optimal production schedules and production quantity. It is also observed that the rate of deterioration can tremendously influence the optimal operating policies of the system. This model also includes some of the earlier models as particular cases. The model is extended to the case of without shortages. A comparison of the two models reveals that allowing shortages will reduce expected total cost of the model.
Knowing your FATE: Friendship, Action and Temporal Explanations for User Engagement Prediction on Social Apps
Creators: name: Tang, Xianfeng
name: Liu, Yozen
name: Shah, Neil
name: Shi, Xiaolin
name: Mitra, Prasenjit
name: Wang, Suhang
Publisher: name: arXiv
Year: 2020
Subjects: subject: Social and Information Networks (cs.SI)
subject: Machine Learning (cs.LG)
subject: Machine Learning (stat.ML)
subject: FOS: Computer and information sciences

description: With the rapid growth and prevalence of social network applications (Apps) in recent years, understanding user engagement has become increasingly important, to provide useful insights for future App design and development. While several promising neural modeling approaches were recently pioneered for accurate user engagement prediction, their black-box designs are unfortunately limited in model explainability. In this paper, we study a novel problem of explainable user engagement prediction for social network Apps. First, we propose a flexible definition of user engagement for various business scenarios, based on future metric expectations. Next, we design an end-to-end neural framework, FATE, which incorporates three key factors that we identify to influence user engagement, namely friendships, user actions, and temporal dynamics to achieve explainable engagement predictions. FATE is based on a tensor-based graph neural network (GNN), LSTM and a mixture attention mechanism, which allows for (a) predictive explanations based on learned weights across different feature categories, (b) reduced network complexity, and (c) improved performance in both prediction accuracy and training/inference time. We conduct extensive experiments on two large-scale datasets from Snapchat, where FATE outperforms state-of-the-art approaches by ${\approx}10\%$ error and ${\approx}20\%$ runtime reduction. We also evaluate explanations from FATE, showing strong quantitative and qualitative performance.
description: Accepted to KDD 2020 Applied Data Science Track
Study of Strangeness Condensation by Expanding About the Fixed Point of the Harada-Yamawaki Vector Manifestation
Creators: name: Brown, G. E.
name: Lee, C. -H.
name: Park, H. -J.
name: Rho, M.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Building on, and extending, the result of a higher-order in-medium chiral perturbation theory combined with renormalization group arguments and a variety of observations of the vector manifestation of Harada-Yamawaki hidden local symmetry theory, we obtain a surprisingly simple description of kaon condensation by fluctuating around the "vector manifestation (VM)" fixed point identified to be the chiral restoration point. Our development establishes that strangeness condensation takes place at about 3 n_0 where n_0 is nuclear matter density. This result depends only on the renoramlization-group (RG) behavior of the vector interactions, other effects involved in fluctuating about the bare vacuum in so many previous calculations being "irrelevant" in the RG about the fixed point. Our results have major effects on the collapse of neutron stars into black holes.
description: 4 pages
Gabor Kemeny (1999): A profilalkotás adaptálásáról (Adaptation of the criminal profiling, in. Belugyi Szemle, 1999 vol 3)
Creators: name: Kemeny, Gabor
Publisher: name: figshare
Year: 2020
Subjects: subject: 160299 Criminology not elsewhere classified
subject: FOS: Law
subject: 180110 Criminal Law and Procedure

description: The author introduces the history and the types of criminal profiling with the aim provide recommendation about the adaptation to the national system.
ESTIMATION, COMPARISON AND RANKING OF OPERATIONAL RELIABILITY INDICATORS OF OVERHEAD TRANSMISSION LINES OF ELECTRIC POWER SYSTEMS
Creators: name: Farhadzadeh E.M.
name: Muradaliyev A.Z.
name: Abdullayeva, S.A.
Publisher: name: Reliability: Theory & Applications
Year: 2021
Subjects: Operational reliability
overhead lines
estimation
comparison
ranking
classification
fiducial approach
risk of the erroneous decision

description: The regular increase in relative number of units of equipment, devices and installations (further objects) electric power systems, which service life exceeds normative value and the consequences connected with this fact, including, including unacceptable ones, demand acceptance of drastic measures on increase of efficiency of their work. The main efforts today aimed at improving the methods of recognition and control of their technical condition. In other words, the problems of increasing the reliability of work and the safety of service brought to the fore quite justifiably. In the article, it is propos to carry out monitoring of the technical condition of overhead lines with a rated voltage of 110 kV and above monthly on the basis operational reliability parameters. New methods and algorithms for their estimation, comparison and ranking presented. As the operational reliability parameters are multidimensional, the existing methods for comparing and ranking one-dimensional statistical estimates for them are unacceptable, as the neglect preconditions of these methods conducts to essential growth of risk of the erroneous decision. The proposed new methods based on the fiducial approach, imitating modeling and the theory of statistical hypothesis testing. The cumbersomeness and laboriousness of manual calculation of operational reliability parameters, the science intensity of calculation methods is compensated by the transition to automated systems that provide information and methodological support with information about the technical condition of overhead lines. The recommended methods are included in the group of risk-focused approaches of increase the efficiency of the electric power systems.
Estimation procedures for a flexible extension of Maxwell distribution with data modeling
Creators: name: Abhimanyu Singh Yadav
name: H.S. Bakouch
name: S.K. Singh
name: Singh, Umesh
Publisher: name: Reliability: Theory & Applications
Year: 2021
Subjects: Family of Maxwell distributions
Entropy
Classical and Bayes estimation
Interval estimation
Asymptotic confidence length

description: In this paper, we introduce a flexible extension of the Maxwell distribution for modeling various practical data with non-monotone failure rate. Some main properties of this distribution are obtained, and then the estimation of the parameters for the proposed distribution has been addressed by maximum likelihood estimation method and Bayes estimation method. The Bayes estimators have been obtained under gamma prior using squared error loss function. Also, a simulation study is gained to assess the estimates performance. A real-life applications for the proposed distribution have been illustrated through different lifetime data.
IDENTIFICATION OF SPATIAL RELATIONS IN MATHEMATICAL EXPRESSIONS
Creators: name: Sridevi Ravada
name: Sudheer Gopinathan
name: D. Lalitha Bhaskari
Publisher: name: Reliability: Theory & Applications
Year: 2021
Subjects: minimum spanning tree
connected
spatial
segmentation

description: The automatic recognition of mathematical expressions in digital content is a challenging task due to the complex spatial relationships between the symbols involved in the expression. The accuracy of the recognition is dependent on a variety of factors that includes nature of the input medium. The reliability of the performance of the system is dependent on the identification of the spatial relationships in an expression. Symbol recognition and structural analysis are the two important stages in the recognition process. In the present work these two stages are considered using the concepts of connected components and minimum spanning tree. For our analysis, we have created a database of 500 expression images drawn from standard databases and the experimental results are reported on them.
Inverse Weibull-Rayleigh Distribution Characterisation with Applications Related Cancer Data
Creators: name: Aijaz Ahmad
name: S. Qurat Ul Ain
name: Rajnee Tripathi
name: Ahmad, Afaq
Publisher: name: Reliability: Theory & Applications
Year: 2021
Subjects: Inverse Weibull-G family
Rayleigh distribution
moments
Renyi entropy
simulation
maximum likelihood estimation

description: The current study establishes a new three parameter Rayleigh distribution that is based on the inverse Weibull-G family and is an extension of the Rayleigh distribution. The formulation is known as the inverse Weibull-Rayleigh distribution (IWRD). The distinct structural properties of the formulated distribution including moments, moment generating function, order statistics, quantile function, and Renyi entropy have been discussed. In addition expressions for survival function, hazard rate function and reverse hazard rate function are obtained explicitly. The behaviour of probability density function (p.d.f) and cumulative distribution function (c.d.f) are illustrated through different graphs. The estimation of the formulated distribution parameters are performed by maximum likelihood estimation method. A simulation analysis has been carried out to evaluate and compare the effectiveness of estimators in terms of their bias, variance and mean square error (MSE). Eventually, the usefulness of the formulated distribution is illustrated by means of real data sets which are related distinct areas of science.
ФАКТОРЫ ДОПОЛНЯЮЩИЕ ЭФФЕКТ СПОРТИВНОЙ ТРЕНИРОВАННОСТИ И СОТЯЗАНИЙ
Creators: name: U. Kh. Abdullayeva
name: R. Zh. Shaniyazov
Publisher: name: Academic research in educational sciences
Year: 2021
Subjects: Нагрузка
восстановлены
отдых
ритм
работоспособность
тренировка
усталость
восстановлении
давление
с паринг
эффект
дихание.

description: Планируя тренировочный процесс мы главное внимание уделяем нагрузке – ее динамике форме и видам но зачастую забываем что оборотная сторона любой нагрузки это отдых не ради отдыха а ради роста тренировочного эффекта непрерывности тренировочного процесса. При многоразовой тренировки (два три раза) в день желательно учитывать суточные колебания работоспособности
The tensile strength of compressed dust samples and the catastrophic disruption threshold of pre-planetary matter
Creators: name: Sebastián, I. L. San
name: Dolff, A.
name: Blum, J.
name: Parisi, M. G.
name: Kothe, S.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: During the planetary formation process, mutual collisions among planetesimals take place, making an impact on their porosity evolution. The outcome of these collisions depends, among other parameters, on the tensile strength of the colliding objects. In the first stage of this work, we performed impact experiments into dust samples, assembled with material analogous to that of the primitive Solar System, to obtain highly compressed samples that represent the porosities measured in chondritic meteorites. In the second stage, we obtained the tensile strengths of the compressed dust samples by the Brazilian Disk Test. We found a correlation between the tensile strength and the volume filling factor of the compressed dust samples and obtained the corresponding critical fragmentation strength in mutual collisions and its dependence on the volume filling factor. Finally, we give prescriptions for the catastrophic disruption threshold as a function of the object size, for different values of the volume filling factor that can be utilized in collisional models.
Deep Photometry of Andromeda Reveals Striking Similarities in the Tidal Stream and Spheroid Populations
Creators: name: Brown, Thomas M.
name: Smith, Ed
name: Guhathakurta, Puragra
name: Rich, R. Michael
name: Ferguson, Henry C.
name: Renzini, Alvio
name: Sweigart, Allen V.
name: Kimble, Randy A.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present a color-magnitude diagram (CMD) for a field in the giant tidal stream of the Andromeda galaxy (M31). These observations, taken with the Advanced Camera for Surveys on the Hubble Space Telescope, are 50% complete at V~30 mag, reaching 1 mag below the oldest main-sequence turnoff. Striking similarities between the stream and a previous spheroid CMD imply they have very similar age and metallicity distributions, but present something of an enigma; we speculate on possible interpretations of this result, but note that none are without problems. Distinct multiple turnoffs, as might be expected from pulses of star formation caused by interaction with Andromeda, are not apparent in the stream CMD. Star formation in both fields lasted about 6 billion years, building up to relatively high metallicities and being largely complete 6 billion years ago. The close similarity of the spheroid and stream suggests that both may have derived from the same event; it would be worth exploring to what extent stars in these structures are the remnants of a disk galaxy that interacted with M31, or even were disrupted from the M31 disk itself by the interaction.
description: Four pages, latex, 1 color figure. Accepted for publication in The Astrophysical Journal Letters
AN OWNERSHIP RIGHTS TYPOLOGY OF COOPERATIVE MODELS
Creators: name: Chaddad, Fabio Ribas
name: Cook, Michael L.
name: Chaddad, Fabio Ribas
name: Cook, Michael L.
Publisher: name: Unknown
Year: 2002
Subjects: Agribusiness

description: This paper examines agricultural cooperative organizational models from an ownership rights perspective. Building upon property rights and incomplete contracts theories of the firm, the paper adopts a definition of ownership rights comprising both residual claim and control rights. We argue that alternative cooperative organizational models differ in the way ownership rights are defined and assigned to the economic agents tied contractually to the firm - members, patrons, and investors. Based on multiple case study evidence, the paper proposes a typology of discrete organizational models, in which the traditional cooperative structure and the investor-oriented firm (IOF) are characterized as polar forms. Additionally, we identify five non-traditional models that cooperatives may adopt to ameliorate perceived financial constraints. The paper is intended to facilitate a better-informed strategic decision making process among cooperative leaders in choosing among alternative cooperative ownership structures.
Horizon symmetries and hairy black holes in AdS
Creators: name: Donnay, Laura
name: Giribet, Gaston
name: Oliva, Julio
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We investigate whether supertranslation symmetry may appear in a scenario that involves black holes in AdS space. The framework we consider is massive 3D gravity, which admits a rich black hole phase space, including stationary AdS black holes with softly decaying hair. We consider a set of asymptotic conditions that permits such decaying near the boundary, and which, in addition to the local conformal symmetry, is preserved by an extra local current. The corresponding algebra of diffeomorphisms consists of two copies of Virasoro algebra in semi-direct sum with an infinite-dimensional Abelian ideal. We then reorient the analysis to the near horizon region, where infinite-dimensional symmetries also appear. The supertranslation symmetry at the horizon yields an infinite set of non-trivial charges, which we explicitly compute. The zero-mode of these charges correctly reproduces the black hole entropy. In contrast to Einstein gravity, in the higher-derivative theory subleading terms in the near horizon expansion contribute to the near horizon charges. Such terms happen to capture the higher-curvature corrections to the Bekenstein area law.
description: 25 pages, 1 figure
QOVUSHOQ-ELASTIK STERJENDA TEBRANISH JARAYONIDA REZONANS HOSIL BO'LISHI
Creators: name: Baxtiyor Iskandarovich Ashurov
name: Xudoyberdiyev, Sardor Ismoilovich
Publisher: name: Academic research in educational sciences
Year: 2021
Subjects: sterjen o‘rta radiusi
ko‘ndalang to‘lqinlar tarqalish tezligi
tebranishla ramplitudasi
sterjen materialining qovushoq-elastik parametrlari va relaksatsiya vaqtlari.

description: Mazkur maqolada qalinligi o‘zgaruvchi doiraviy, qovushoq-elastik sterjenning buralma tebranishlari haqidagi masalaning yechilshi bo‘lib, olingan natijalar tebranish jarayonidagi rezonans hodisasi sodir bo‘lishi mumkin bo‘lgan holatlarni aniqlashda ishlatilishi mumkin
Improving rigid 3D calibration for robotic surgery
Creators: name: Roberti, Andrea
name: Piccinelli, Nicola
name: Meli, Daniele
name: Muradore, Riccardo
name: Fiorini, Paolo
Publisher: name: arXiv
Year: 2020
Subjects: subject: Robotics (cs.RO)
subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: Autonomy is the frontier of research in robotic surgery and its aim is to improve the quality of surgical procedures in the next future. One fundamental requirement for autonomy is advanced perception capability through vision sensors. In this paper, we propose a novel calibration technique for a surgical scenario with da Vinci robot. Calibration of the camera and the robot is necessary for precise positioning of the tools in order to emulate the high performance surgeons. Our calibration technique is tailored for RGB-D camera. Different tests performed on relevant use cases for surgery prove that we significantly improve precision and accuracy with respect to the state of the art solutions for similar devices on a surgical-size setup. Moreover, our calibration method can be easily extended to standard surgical endoscope to prompt its use in real surgical scenario.
description: Submitted to the special issue of IEEE Transactions on Medical Robotics and Bionics 2020
A Homogeneous Sample of Sub-DLAs III: Total Gas Mass Omega_(HI+HeII) at z>2
Creators: name: Peroux, Celine
name: Dessauges-Zavadsky, Miroslava
name: D'Odorico, Sandro
name: Kim, Tae Sun
name: McMahon, Richard G.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Absorbers seen in the spectrum of background quasars are a unique tool to select HI-rich galaxies at all redshifts. In turns, these allow to determine the cosmological evolution of the HI gas, Omega_HI+HeII, a possible indicator of gas consumption as star formation proceeds. The Damped Lyman-alpha systems (DLAs with N(HI) > 10^20.3 cm^-2), in particular, are believed to contain a large fraction of the HI gas but there are also indications that lower column density systems, named ``sub-Damped Lyman-alpha'' systems play a role at high-redshift. Here we present the discovery of high-redshift sub-DLAs based on 17 z>4 quasar spectra observed with the Ultraviolet-Visual Echelle Spectrograph (UVES) on VLT. This sample is composed of 21 new sub-DLAs which, together with another 10 systems from previous ESO archive studies, make up a homogeneous sample. The redshift evolution of the number density of several classes of absorbers is derived and shows that all systems seem to be evolving in the redshift range from z=5 to z~3. This is further used to estimate the redshift evolution of the characteristic radius of these classes of absorbers assuming a Holmberg relation and one unique underlying parent population. DLAs are found to have R_* ~ 20 h_100^-1 kpc, while sub-DLAs have R_* ~ 40 h_100^-1 kpc. The redshift evolution of the column density distribution, f(N,z), down to N(HI) = 10^19 cm^-2 is also presented. A departure from a power law due to a flattening of f(N,z) in the sub-DLA regime is present in the data. f(N,z) is further used to determine the HI gas mass contained in sub-DLAs at z>2. The complete sample shows that sub-DLAs are important at all redshifts from z=5 to z=2. Finally, the possibility that sub-DLAs are less affected by the effects of dust obscuration than classical DLAs are discussed.
description: 18 pages, 23 figures. Accepted for publication in MNRAS
A silicon-integrated telecom photon-spin interface
Creators: name: Bergeron, L.
name: Chartrand, C.
name: Kurkjian, A. T. K.
name: Morse, K. J.
name: Riemann, H.
name: Abrosimov, N. V.
name: Becker, P.
name: Pohl, H. -J.
name: Thewalt, M. L. W.
name: Simmons, S.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Applied Physics (physics.app-ph)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Long-distance entanglement distribution is a vital capability for quantum technologies. An outstanding practical milestone towards this aim is the identification of a suitable matter-photon interface which possesses, simultaneously, long coherence lifetimes and efficient telecommunications-band optical access. In this work, alongside its sister publication, we report upon the T center, a silicon defect with spin-selective optical transitions at 1326 nm in the telecommunications O-band. Here we show that the T center in $^{28}$Si offers electron and nuclear spin lifetimes beyond a millisecond and second respectively, as well as optical lifetimes of 0.94(1) $μ$s and a Debye-Waller factor of 0.23(1). This work represents a significant step towards coherent photonic interconnects between long-lived silicon spins, spin-entangled telecom single-photon emitters, and spin-dependent silicon-integrated photonic nonlinearities for future global quantum technologies.
description: 5 pages, 3 figures
Investigation of Effects of Uncertain Weather Conditions on the Power Generation Ability of Wind Turbines
Creators: name: Endalew Ayenew Haile
name: Getachew Biru Worku
name: Asrat Mulatu Beyene
name: Milkias Berhanu Tuka
Publisher: name: Reliability: Theory & Applications
Year: 2021
Subjects: wind turbine aerodynamics
uncertain weather conditions
wind energy conversion system
wind turbine energy conversion factor

description: Wind energy is one of the abundant and renewable energy sources that can be harvested using wind turbines. Many factors affect the energy-yielding ability of wind turbines. The goal of this paper is to investigate the effects of uncertain weather conditions on the power generation ability of wind turbines. Uniquely, it presented the influence of the uncertain weather conditions and uncertain aerodynamic parameters of wind turbine on wind energy harvesting. The mathematical model of these factors and statistical analysis of their effects on the performance of wind turbines are presented using real-time data. It is found that the impact of uncertain weather conditions on annual average air density, and hence on the performance of wind turbines, is 1.33%. Whereas, the impact of variations of yearly average wind speed on the performance of wind turbines is found to be substantial. In particular, the annual uncertainty output power of wind turbines is found to be 32%. This investigation helps to find the mitigation mechanism and improve power generation efficiency from wind.
AMALIY MASHG'ULOTLARDA ZARRALAR FIZIKASI BO'LIMINI O'ZLASHTIRISH SAMARADORLIGINI OSHIRISH YO'LLARI
Creators: name: A. M. Madaliyev
name: K. R. Nasriddinov
Publisher: name: Academic research in educational sciences
Year: 2021
Subjects: elementar zarralar
saqlanish qonunlari
lepton soni
barion soni
g’alatilik kvant soni
maftunkorlik kvant soni
o’zlashtirish samaradorligi
pedagogika
metodika
amaliy mashg’ulot

description: Ushbu maqola Zarralar fizikasi bo’limi amaliy mashg’ulotlari samaradorligini oshirish muammolariga bag’ishlangan. Bu bo’limning keyingi taraqqiyoti natijasida yangi mavzular hamda ularga mos amaliy mashg’ulotlar mazmuni ishlab chiqilgan. Hamda amaliy mashg’ulotlarda nazariy bilimlarni mustahkamlash yo’llari bayon qilingan
Kernel Sampling Based Parameter Estimation in Detected Community in Weighted Graph in Big Data
Creators: name: Milan, Ram
name: Diwakar Shukla
Publisher: name: Reliability: Theory & Applications
Year: 2021
Subjects: Community Detection
Weighted Graph
Big Data
Internet Technology
4G
Sampling
Simulations Confidence interval

description: The social media platforms are such examples of big-data where the volume, velocity, and variety are visualized over time domain. Registered users of such platforms bear frequent communication with others and that could be identified as a community. Many methods (algorithms) exist in literature to detect such likely groups of frequent communication. This paper presents contribution to estimate parameters of detected communities using sampling procedure. A Kernel sampling procedure is suggested in the setup of detected community environment. A method is suggested whose efficiency has been estimated using calculations of confidence interval. Simulation procedure is used to obtain the lower and upper limits of confidence intervals with the help of multiple samples.
МАСОФАВИЙ ЎҚИТИШДА ЗАМОНАВИЙ МОДЕЛЛАРИНИНГ ЎРНИ
Creators: name: Нўмон Яхшиев
name: Илҳом Ғаниев
name: Абдували Лутфуллаев
Publisher: name: Academic research in educational sciences
Year: 2021
Subjects: Масофавий ўқитиш
кейсли ўқитиш
телевизион ўқитиш
тармоқли ўқитиш
мобил ўқитиш ва синхрон ўқитиш

description: ―Масофавий ўқитиш‖ атама деб масофадан туриб ташкил қилинган таълим тушунилган. Унга ―корреспондентлик ўқитиш‖, ―уйда ўқиш‖ ва бошқалар синоним ҳисобланиши. Масофавий таълим технологиялари кундузги, сиртқи, кундузги-сиртқи; экстернат шаклларида; таълимнинг маълум босқичларида; асосий ва қўшимча таълим дастурларини амалга оширишда қўлланилиши. Мақоланинг мақсади таълимда ўқитиш турлари самарали қўллашдан иборат
ГЕОЭКОЛОГИК МУАММОЛАРНИ БАРТАРАФ ЭТИШДА АГРОДЕМОГРАФИК БОСИМНИ ҲИСОБГА ОЛИШ
Creators: name: Дониёр Ғуломович Мўминов
Publisher: name: Academic research in educational sciences
Year: 2021
Subjects: геоэкология
ландшафт
ҳудуднинг сиғими
аҳоли зичлиги
агродемографик босим
қишлоқ жойлар

description: Мазкур ишда геоэкологик муаммоларни бартараф этишда ҳудуднинг ўзига хос жиҳатларига асосланиш зарурлиги тўғрисидаги масалалар ѐритилган. Бунда ҳудуднинг табиий, иқтисодий ҳусусиятларига боғлиқ ҳолда аҳоли зичлигини ҳисобга олиш кераклиги борасидаги фикрлар илгари сурилади. Аҳоли зичлиги ўрганилганда, ҳудуднинг агродемографик босимини алоҳида ҳисоблаш лозимлиги ва ҳисоблаш услуби берилган. Шу билан бирга табиатдан фойдаланишда баландлик минтақалари кесимида ландшафтли ѐндашув зарурлиги изоҳланган
MARKOV RELIABILITY MODEL OF A WIND FARM
Creators: name: Itkin, Victor Yu.
Publisher: name: Reliability: Theory & Applications
Year: 2021
Subjects: wind farm
reliability
availability
met demand
unmet demand
exponential mixture model of distributions
continues-time finite-states Markov process

description: A Markov reliability model of a wind farm has been built using the example of Anholt wind farm, Denmark. Reliability indicators of wind turbine equipment are calculated as wind speed functions. Basing hourly measurements of the wind speed and the consumed electricity, two samples of duration time of the met and unmet demand of electricity were obtained. It has been found that these samples can be approximated with exponential mixture model of the probability distributions. The wind farm operation process has been approximated with a continues-time 5-states Markov process. As a result, stationary and non-stationary probabilities that the electricity demand will be met by wind power were estimated.
АСАЛНИНГ БИОКИМИЯВИЙ ТАРКИБИ ВА ИНСОН ОРГАНИЗМИ УЧУН ФОЙДАЛИXУСУСИЯТЛАРИ
Creators: name: Мансур Мухторович Акбаров
Publisher: name: Academic research in educational sciences
Year: 2021
Subjects: асалари сути
муми
ари заҳри
падь асали
абхаз

description: Мазкур мақола асалнинг қадим замонлардан бери инсоният учун саломатлик манбаий эканлиги, биокимиявий таркиби, сифати, сақлаш талаблари ва исътимол қиймати тўғрисида таҳлил қилинган
АЛЬБЕНДАЗОЛНИНГ ГЛИЦИРРИЗИН КИСЛОТАСИ БИЛАН ҲОСИЛ ҚИЛГАН СУПРАМОЛЕКУЛЯР КОМПЛЕКСЛАРИ
Creators: name: M. U. Mengliev
Publisher: name: Academic research in educational sciences
Year: 2021
Subjects: Альбендазол (АБЗ)
Глицирризин кислота (ГК)
Супрамолекуляр комплекс
УБ-спектроскопия
ЮССХ

description: Альбендазол ва унинг бир қанча дозалаш шакиллари гелминтларни даволашда кенг қўлланилади. Аммо, Альбендазолнинг сувда ва физиоллогик муҳитда кам эрувчанлиги туфайли унинг қўлланилиши бирмунча чекланмоқда. Шу туфайли унинг сувда ва физиологик муҳитда эрувчанлигини ошириш муҳим аҳамиятга эга ҳисобланади. Ушбу ишда, Альбендазолнинг эрувчанлигини ошириш учун Глицирризин кислотадан фойдаланиб сувда ерувчан супрамолекуляр комплекслар олинди. Олинган сурамолекуляр комплексларнинг айрим физик-кимѐвий хусусиятлари, сифат ва миқдор таркиби УБ ва ЮССХ усулида ўрганилди
MIKHAIL ANDREEVICH FEDOTKIN: A NONSTATISTICAL ANALYSIS OF THE FIRST 80 YEARS OF HIS LIFE
Creators: name: Zorine, Andrei V.
Publisher: name: Reliability: Theory & Applications
Year: 2021
Subjects: biography
M.A. Fedotkin
applied probabillity school in Nizhni Novgorod

description: Professor of the Lobachevsky University of Nizhni Novgorod celebrated his 80th anniversary in May, 2021. This paper touches some of his personal histories, and his scintific contributions.
MULTI-SERVER MARKOVIAN QUEUE WITH SUCCESSIVE OPTIONAL SERVICES
Creators: name: P. Vijaya Laxmi
name: E. Girija Bhavani
Publisher: name: Reliability: Theory & Applications
Year: 2021
Subjects: queue
multi-server
first essential service
optional services
matrix-geometric method

description: In this study, we analyze a multi-server queueing model with two successive optional services. Each server provides FES as well as two optional services to each arriving customer, for a total of 𝑐 servers. Every new customer requires the first essential service (FES). The customer may quit the system with probability (1 − 𝑟!) or choose optional services supplied by the same server after finishing the FES. With probability 𝑟!, customer chooses the first optional service (OS 1). Following that, the customer has the option of joining the second optional service (OS 2) with probability 𝑟" or leave the system with probability (1 − 𝑟"). We obtain the steady-state probability distributions by applying matrix-geometric method. We also derive a number of performance measures of the queueing model. Sensitivity analysis is used to investigate the impact of various parameters on performance of the queueing model.
Additional file 3 of Hospital characteristics associated with low-value care in public hospitals in New South Wales, Australia
Creators: name: Badgery-Parker, Tim
name: Sallie-Anne Pearson
name: Elshaug, Adam G.
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Biotechnology
subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Sociology
subject: FOS: Sociology
subject: Cancer
subject: Science Policy
subject: 60506 Virology
subject: Computational Biology

description: Additional file 3. Multivariable models and output log.
On Discrete Scheduled Replacement Model of a Single Device Unit
Creators: name: Tijjani A. Waziri
Publisher: name: Reliability: Theory & Applications
Year: 2021
Subjects: category
discrete
number
optimal
replacement
scheduled

description: This paper considered a device which is subjected to three types of failures (category I, category II and category III). Also the paper tries to combine discrete age replacement model with minimal repair, where it dealt with a discrete scheduled replacement policy. Category I failure is an un-repairable failure, which occurs, suddenly, and if it occurs, the device is replaced completely, while category II and category III failures are repairable failures, which occurs, due to time and usage, and the two failures are rectified with minimal repair. To investigate the characteristics of the model constructed and determine optimum replacement number (𝑁∗) of the device, a numerical example is provided, where it is assumed that the rate of the three categories of failures follow Weibull distribution.
РОЛЬ ОБРАЗОВАНИЯ В РАЗВИТИИ СТРАНЫ И В ВОСПИТАНИИ ГАРМОНИЧНО РАЗВИТОГО ПОКОЛЕНИЯ
Creators: name: Жамалова Гулнора Гуломовна
Publisher: name: Academic research in educational sciences
Year: 2021
Subjects: модернизация
образование
инновации
молодежный форум
президент
страна.

description: В статье обсуждается, насколько образование необходимо для развития и модернизации страны. Кроме того, вопросы формирования национальных представлений с помощью образования анализируется
Quark spin - thermal vorticity alignment and the Lambda, anti-Lambda polarization in heavy-ion collisions
Creators: name: Ayala, Alejandro
name: de la Cruz, David
name: Hernández, L. A.
name: Hernández-Ortíz, S.
name: Salinas, Jordi
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: It has been proposed that the $Λ$ and $\overlineΛ$ polarizations observed in heavy-ion collisions are due to the interaction between quark spin and thermal vorticity. In this work we report on a computation of the relaxation time required for this alignment to occur at finite temperature and baryon chemical potential, considering quarks with a finite mass. The calculation is performed after modelling the interaction by means of an effective vertex which couples the thermal gluons and quarks within the vortical medium. We show that the effect of the quark mass is to reduce the relaxation time as compared to the massless quark case. An intrinsic global polarization of quarks/antiquarks emerges which is shown to be linked with the $Λ$/$\barΛ$ polarization.
description: 9 pages, 5 figures. Proceedings of the 36th Winter Workshop on Nuclear Dynamics, Puerto Vallarta, Mexico 2020
Additional file 2 of Genetic architecture and genomic selection of female reproduction traits in rainbow trout
Creators: name: J. D’Ambrosio
name: R. Morvezen
name: S. Brard-Fudulea
name: A. Bestin
name: A. Acin Perez
name: D. Guéméné
name: C. Poncet
name: P. Haffray
name: M. Dupont-Nivet
name: Phocas, F.
Publisher: name: figshare
Year: 2020
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 2 Supplementary Table 1. Mean and standard deviation over 40 replicates (in brackets) of selection accuracy (r) and inflation coefficient (b) of EBVs and GEBVs for training scenarios T+ and T-.SD: spawning date; FW: female body weight; SW*: spawn weight (adjusted for FW); EN*: egg number (adjusted for FW); EW: average egg weight; ED: average egg diameter. Supplementary Table 2. Selection accuracy (r) and inflation coefficient (b) of EBVs and GEBVs for training scenarios T1 and T2. SD: spawning date; FW: female body weight; SW*: spawn weight (adjusted for FW); EN*: egg number (adjusted for FW); EW: average egg weight; ED: average egg diameter.
Test of lepton flavour violation at LHC
Creators: name: Bartl, A.
name: Hidaka, K.
name: Hohenwarter-Sodek, K.
name: Kernreiter, T.
name: Majerotto, W.
name: Porod, W.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We study lepton flavour violating decays of neutralinos and sleptons within the Minimal Supersymmetric Standard Model, assuming two and three generation mixings in the slepton sector. We take into account the most recent bounds on flavour violating rare lepton decays. Taking the SPS1a' scenario as an example, we show that some of the lepton flavour violating branching ratios of neutralinos and sleptons can be sizable (~ 5-10%). We study the impact of the lepton flavour violating neutralino and slepton decays on the di-lepton mass distributions measured at LHC. We find that they can result in novel and characteristic edge structures in the distributions. In particular, double-edge structures can appear in the e tau and mu tau mass spectra if ~tau_1 is the lightest slepton. The appearance of these remarkable structures provides a powerful test of supersymmetric lepton flavour violation at LHC.
description: 15 pages
ON JOINT IMPORTANCE MEASURES FOR MULTISTATE RELIABILITY SYSTEMS
Creators: name: Chacko, V.M.
Publisher: name: Reliability: Theory & Applications
Year: 2021
Subjects: Multistate system
reliability
joint importance measure
universal generating function

description: The use of importance and joint importance measures to identify the weak areas of a system and signify the roles of components in either causing or contributing to proper functioning of the system, is explained by several researchers in system engineering. But a few research outputs are available in literature for finding joint importance measures for two or more components. This paper introduces, new Joint Reliability Achievement Worth (JRAW), Joint Reliability Reduction Worth (JRRW) and Joint Reliability Fussell-Vesely measure (JRFV) for two components, of a multistate system. This is a new approach to find out the joint effect of group of components in improving system reliability. A steady state performance level distribution with restriction to the component’s states is used to evaluate the proposed measures. Universal generating function (UGF) technique is applied for the evaluation of proposed joint importance measures. An illustrative example is provided.
Jennifer Bleek; Apparition, Körper, Bild. Das Helldunkel in Malerei und Film
Creators: name: Loska, Katharina
Publisher: name: Journal für Kunstgeschichte
Year: 2024

description: Rezension zu: Jennifer Bleek; Apparition, Körper, Bild. Das Helldunkel in Malerei und Film; München: Wilhelm Fink 2016; 228 S., 49 Abb.; ISBN 978-3-7705-6117-9
description: Journal für Kunstgeschichte, Bd. 24 Nr. 2 (2020): Journal für Kunstgeschichte
Momentum diffusion for coupled atom-cavity oscillators
Creators: name: Murr, K.
name: Maunz, P.
name: Pinkse, P. W. H.
name: Puppe, T.
name: Schuster, I.
name: Vitali, D.
name: Rempe, G.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: It is shown that the momentum diffusion of free-space laser cooling has a natural correspondence in optical cavities when the internal state of the atom is treated as a harmonic oscillator. We derive a general expression for the momentum diffusion which is valid for most configurations of interest: The atom or the cavity or both can be probed by lasers, with or without the presence of traps inducing local atomic frequency shifts. It is shown that, albeit the (possibly strong) coupling between atom and cavity, it is sufficient for deriving the momentum diffusion to consider that the atom couples to a mean cavity field, which gives a first contribution, and that the cavity mode couples to a mean atomic dipole, giving a second contribution. Both contributions have an intuitive form and present a clear symmetry. The total diffusion is the sum of these two contributions plus the diffusion originating from the fluctuations of the forces due to the coupling to the vacuum modes other than the cavity mode (the so called spontaneous emission term). Examples are given that help to evaluate the heating rates induced by an optical cavity for experiments operating at low atomic saturation. We also point out intriguing situations where the atom is heated although it cannot scatter light.
description: More information added
JISMONIY TARBIYA VA SPORT MUTAXASSISLARI MALAKASINI OSHIRISH TA’LIMIGA VARIATIV TAMOYILDA YONDOSHUV – KASBIY KOMPETENTLIKNI TAKOMILLASHTIRISH OMILLARI
Creators: name: Ilhomjon Axmedovich Tursunaliyev
Publisher: name: Academic research in educational sciences
Year: 2021
Subjects: malaka oshirish ta’limida variativ tamoyil
demokratlashuv
liberallashuv
kasbiy kompetentsiya
kreativ yondoshuv

description: Maqolada malaka oshirish ta’limining dolzarb muammolaridan variativ tamoyil, demokratlashtirish, liberallashtirish, innovatsion talablar, moslashtiruvchi, kasbiy kompetentsiya, kreativ yondoshuvlar bayon qilingan
On Transmuted Exponential-Topp Leon Distribution with Monotonic and Non-Monotonic Hazard Rates and its Applications
Creators: name: Aminu Suleiman Mohammed
name: Fidelis Ifeanyi Ugwuowo
Publisher: name: Reliability: Theory & Applications
Year: 2021
Subjects: Topp Leon distribution
failure rate
Maximum Likelihood
generalized distributions

description: For the last decade, inspired by the increasing demand for probability distributions in numerous fields, many generalized distributions have been studied. Most of these distributions are developed by adding one or more parameter(s) to the standard probability distributions to make them flexible in capturing the sensitive parts of a dataset. The Topp-Leone distribution (TL) is one of the continuous probability distributions used in modelling lifetime datasets and sometimes is called J-shaped distribution. In this paper, we proposed a new lifetime distribution named transmuted ExponentialTopp Leon distribution in short (TE-TLD) which possessed different density shapes. Some properties of the distribution were presented in an explicit form and the parameters of the distribution are estimated by the method of maximum likelihood. The hazard function of the TE-TLD can be monotonic or non-monotonic failure rate which makes it more robust in terms of studying failure rates. The TE-TLD outperformed other distributions with the same underlying baseline distribution when applied to real datasets in the study. Furthermore, the likelihood ratio test (LRT) shows that the additional parameter(s) are significant which further proves the robustness of the TE-TLD over the nested distributions in the study.
ҚАНОТЛИ СЎЗЛАРНИНГ ИМПЛИЦИТ ХУСУСИЯТЛАРИ
Creators: name: Гузалхон Неъматовна Исакова
Publisher: name: Academic research in educational sciences
Year: 2021
Subjects: қанотли сўз
цитата
имплицит
аниқ
ноаниқ
муаллиф
манба
функция.

description: Бадиий матнда қанотли сўзларнинг қўлланилишига хос хусусиятларни аниқлаш муҳим аҳамият касб этади. Қуйидаги мақолада лотин ва француз тилларидаги қанотли сўзларнинг имплицит тарзда матнда берилиши борасида фикр юритилади. Таҳлиллар асосида уларнинг функциялари очиб берилади
Performance of a Single Server Batch Queueing Model with Second Optional Service under Transient and Steady State Domain
Creators: name: P. Vijaya Laxmi
name: Andwilile Abrahamu George
name: E. Girija Bhavani
Publisher: name: Reliability: Theory & Applications
Year: 2021
Subjects: Batch Queueing Model
First Essential Service
Second Optional Service
Transient State
Steady State

description: The aim of this paper is to investigate the performance of a single server batch queueing model with second optional service under transient and steady state domain. It is assumed that the customers arrive in groups as per compound Poisson process and the server gives two types of services, First Essential Service (FES), which is mandatory for all arriving customers and Second Optional Service (SOS), which is given to some customers those who request it. Both FES and SOS are provided in batches of maximum 𝑏 capacity. The transient and steady state probabilities of the model are obtained by using probability generating function and Laplace transform techniques. Finally, some numerical examples are presented to study the effect of the parameters on the system performance measures.
Additional file 1 of Genetic architecture and genomic selection of female reproduction traits in rainbow trout
Creators: name: J. D’Ambrosio
name: R. Morvezen
name: S. Brard-Fudulea
name: A. Bestin
name: A. Acin Perez
name: D. Guéméné
name: C. Poncet
name: P. Haffray
name: M. Dupont-Nivet
name: Phocas, F.
Publisher: name: figshare
Year: 2020
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 1 Supplementary Figure 1. Manhattan plot of QTL detected under GBLUP-based GWAS for female reproduction traits. The red line corresponds to the genome-wide significance threshold at 1% after Bonferroni correction and the blue line corresponds to the chromosome-wide significance threshold at 1% after Bonferroni correction. SD: spawning date; SW: spawn weight; EN: egg number; EW: average egg weight; ED: average egg diameter
POWER EXPONENTIAL GEOMETRIC QUANTILE FUNCTION
Creators: name: Jeena Joseph
name: Asisha, A.P.
Publisher: name: Reliability: Theory & Applications
Year: 2021
Subjects: Exponential geometric distribution
Hazard quantile function
L moments
Mean residual quantile function
Percentile residual quantile function
Power distribution
Reversed hazard quantile function
Reversed mean residual quantile function

description: In this article, we introduced a new quantile function which is the sum of quantile functions of Power and Exponential geometric distributions. Different distributional charactaristics and reliability properties are discussed and also simulation study is conducted by using R software. Finally the new model is applied to a real data set.
Lorentz-violation and cosmological perturbations: a toy brane-world model
Creators: name: Libanov, M. V.
name: Rubakov, V. A.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study possible effects of Lorentz-violation on the generation of cosmological perturbations at inflation by introducing a simple inflating five-dimensional brane-world setup with violation of four-dimensional Lorentz-invariance at an energy scale $k$. We consider massless scalar field, meant to mimic perturbations of inflaton and/or gravitational field, in this background. At three-momenta below $k$, there exists a zero mode localized on the brane, whose behaviour coincides with that in four-dimensional theory. On the contrary, at three-momenta above $k$, the localized mode is absent and physics is entirely five-dimensional. As three-momenta get redshifted, more modes get localized on the brane, the phenomenon analogous to ``mode generation''. We find that for $k\gg H$, where $H$ is the inflationary Hubble scale, the spectrum of perturbations coincides with that in four-dimensional theory. For $k < H$ and time-dependent bulk parameters, the spectrum deviates, possibly strongly, from the flat spectrum even for pure de Sitter inflation.
description: 5 figures, iopart, minor changes, appendix added