cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
СОВРЕМЕННОЕ СОСТОЯНИЕ ГЕНОФОНДА МОЛОЧНЫХ И МОЛОЧНО-МЯСНЫХ ПОРОД КРУПНОГО РОГАТОГО СКОТА В РОССИЙСКОЙ ФЕДЕРАЦИИ
Creators: name: ПАРОНЯН И.А.
Publisher: name: Достижения науки и техники АПК
Year: 2020
Subjects: ГЕНОФОНД
ГЕНОФОНДНОЕ ХОЗЯЙСТВО
ЖИР
ИНБРИДИНГ
ИНТРОГРЕССИЯ
КРУПНЫЙ РОГАТЫЙ СКОТ
ОТЕЧЕСТВЕННЫЕ ПОРОДЫ
РОДСТВЕННЫЕ ПОРОДЫ
УДОЙ
GENE POOL
GENE POOL FARM
FAT
INBREEDING
INTROGRESSION
CATTLE
RUSSIAN BREEDS
RELATED BREEDS
MILK YIELD

description: Исследования проводили с целью изучения современного состояния пород отечественной селекции в России в целом и в генофондных хозяйствах в частности. Проведен мониторинг численности, племенных и продуктивных качеств пород крупного рогатого скота отечественной селекции, в том числе в генофондных стадах, за последние годы. По данным Министерства сельского хозяйства РФ поголовье крупного рогатого скота во всех категориях хозяйств на1.01.2019 г составляло 18152 тыс. гол., что на 0,8 % меньше, чем в 2018 г. В 2018 г. под контролем (бонитируемое поголовье) находилось 32,4 % поголовья скота 24 молочных и молочно-мясных пород. На семь основных пород с долей каждой не менее 2,50 % (черно-пестрая, голштинская черно-пестрая, симментальская, холмогорская, краснопестрая, красная степная, айрширская) приходилось 94,23 %, на остальные породы (малочисленные) - 5,77 %. Такое соотношение пород не соответствует размерам территории нашей страны с ее различными климатическими, экономическими и историческими условиями. В 12 генофондных хозяйствах по 8 породам скота численность сохраняемого поголовья варьировала от 83 до 700 голов. За анализируемый период продуктивность животных красной степной, бестужевской, суксунской, истобенской и якутской пород возросла примерно на 1000 кг молока, у коров бестужевской породы и печорского типа холмогорской пород из генофондных стад она увеличилась на 1066 и 2982 кг молока соответственно. Продолжительность продуктивного использования генофондных животных дольше на1,42 отела, а выход телят на 100 коров в генофондных хозяйствах на 3,2 теленка больше, чем в среднем по всему пробонитированному поголовью.
Formica flavitarsus
Creators: name: Smith, F.
Publisher: name: Zenodo
Year: 1859
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Formicidae
Formica
Formica flavitarsus

description: 4. Formica flavitarsus.
F. nigra, elongata et gracilis; thorace postice compresso, pedibus elongatis, tarsis flavis.
Worker. Length 4 lines. Black and sub-opake; head elongate, narrowed behind, the clypeus truncate anteriorly, the mandibles pale ferruginous; antennae elongate and slender, the flagellum filiform and pale rufo-testaceous; the thorax and legs elongate, the latter slender with their tarsi pale rufo-testaceous. Abdomen ovate, the scale of the petiole incrassate and slightly notched above.
Hab. Aru.
description: Published as part of Smith, F., 1859, Catalogue of hymenopterous insects collected by Mr. A. R. Wallace at the Islands of Aru and Key., pp. 132-158 in Journal of the Proceedings of the Linnean Society of London, Zoology 3 on page 136
Sub-second periodicity in a fast radio burst
Creators: name: FRB Collaboration
name: Andersen, Bridget C.
name: Bandura, Kevin
name: Bhardwaj, Mohit
name: Boyle, P. J.
name: Brar, Charanjot
name: Breitman, Daniela
name: Cassanelli, Tomas
name: Chatterjee, Shami
name: Chawla, Pragya
name: Cliche, Jean-François
name: Cubranic, Davor
name: Curtin, Alice P.
name: Deng, Meiling
name: Dobbs, Matt
name: Dong, Fengqiu Adam
name: Fonseca, Emmanuel
name: Gaensler, B. M.
name: Giri, Utkarsh
name: Good, Deborah C.
name: Hill, Alex S.
name: Josephy, Alexander
name: Kaczmarek, J. F.
name: Kader, Zarif
name: Kania, Joseph
name: Kaspi, Victoria M.
name: Leung, Calvin
name: Li, D. Z.
name: Lin, Hsiu-Hsien
name: Masui, Kiyoshi W.
name: Mckinven, Ryan
name: Mena-Parra, Juan
name: Merryfield, Marcus
name: Meyers, B. W.
name: Michilli, D.
name: Naidu, Arun
name: Newburgh, Laura
name: Ng, C.
name: Ordog, Anna
name: Patel, Chitrang
name: Pearlman, Aaron B.
name: Pen, Ue-Li
name: Petroff, Emily
name: Pleunis, Ziggy
name: Rafiei-Ravandi, Masoud
name: Rahman, Mubdi
name: Ransom, Scott
name: Renard, Andre
name: Sanghavi, Pranav
name: Scholz, Paul
name: Shaw, J. Richard
name: Shin, Kaitlyn
name: Siegel, Seth R.
name: Singh, Saurabh
name: Smith, Kendrick
name: Stairs, Ingrid
name: Tan, Chia Min
name: Tendulkar, Shriharsh P.
name: Vanderlinde, Keith
name: Wiebe, D. V.
name: Wulf, Dallas
name: Zwaniga, Andrew
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Fast radio bursts (FRBs) are millisecond-duration flashes of radio waves that are visible at distances of billions of light-years. The nature of their progenitors and their emission mechanism remain open astrophysical questions. Here we report the detection of the multi-component FRB 20191221A and the identification of a periodic separation of 216.8(1) ms between its components with a significance of 6.5 sigmas. The long (~3 s) duration and nine or more components forming the pulse profile make this source an outlier in the FRB population. Such short periodicity provides strong evidence for a neutron-star origin of the event. Moreover, our detection favours emission arising from the neutron-star magnetosphere, as opposed to emission regions located further away from the star, as predicted by some models.
description: Updated to conform to the accepted version
Sonnenfleckenzeichnung unnummeriert, einen Zürcher Lückentag ergänzend.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 26.09.1951, erstellt von Enrique Gullon an der Sternwarte Madrid
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1951

description: Zeichnung mit Tinte, erstellt auf einem eigenen Vordruck in Madrid. Instrument: Grubb Refraktor Teleskop (Öffnung: 20 cm, f = 3 m, projiziertes Sonnenbild D = 25 cm).
Instrumentennachweis gemäss Aparicio (u.a.): Sunspot, in: Solar Physics, Vol. 289, S. 4335-49, DOI: 10.1007/s11207-014-0567-x
ЭРИТРОЦИТАРНЫЕ АНТИГЕНЫ ГРУПП КРОВИ В СЕЛЕКЦИИ ГОЛШТИНСКОГО КРУПНОГО РОГАТОГО СКОТА НА УСТОЙЧИВОСТЬ К БОЛЕЗНЯМ
Creators: name: ШУКЮРОВА Е.Б.
Publisher: name: Достижения науки и техники АПК
Year: 2020
Subjects: КРУПНЫЙ РОГАТЫЙ СКОТ
ГОЛШТИНСКАЯ ПОРОДА
ВОСПРИИМЧИВОСТЬ (УСТОЙЧИВОСТЬ) К БОЛЕЗНЯМ
ЭРТРОЦИТАРНЫЕ АНТИГЕНЫ
КОЭФФИЦИЕНТ РИСКА
CATTLE
HOLSTEIN BREED
DISEASE SUSCEPTIBILITY
RBC ANTIGENS
RISK FACTOR

description: Исследования проводили с целью анализа влияния эритроцитарных антигенов групп крови на восприимчивость (устойчивость) к незаразным болезням внутренних органов и лейкозу крупного рогатого скота голштинской породы местной (163 головы) и австралийской (178 голов) селекции в Хабаровском крае. Животных, протестированных по группам крови, отбирали по архивным данным за 2007-2011 гг. В работе использовали общепринятые методики. Частоту антигенов сравнивали между коровами, выбывшими после 5 лактации, и животными, выбывшими на ранних лактациях из-за болезней. У голштинского крупного рогатого скота местной и австралийской селекции выделены как общие, так и индивидуальные эритроцитарные антигены групп крови - маркеры восприимчивости (устойчивости) к болезням. У местного голштинского крупного рогатого скота, более восприимчивого к болезням, достоверно чаще отмечали антигены B2, T2, B', I1, G', I', Q', B", G", C1, C2, E, W, L, S1. В группе голштинов австралийской селекции боле восприимчивыми к болезням были носители антигенных факторов A2, Z', B2, G2, G3, T2,Y2, B', G', Q', G'', C1, C2, E, C', U', U'', более устойчивыми - носители антигена W. Общими маркерами восприимчивости к болезням крупного рогатого скота голштинской породы местной и австралийской селекции служат антигенные факторы B2, T2, B', G', G'' C1, C2, E. Животные - носители этих антигенов достоверно чаще страдают гинекологическими заболеваниями, болезнями сердечно-сосудистой системы, органов дыхания и желудочно-кишечного тракта.
Sonnenfleckenzeichnung unnummeriert, einen Zürcher Lückentag ergänzend.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 26.12.1951, erstellt von L. am Skalnate Pleso Observatorium
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1951

description: Bleistiftzeichnung mit Tinte und Farbstift, erstellt als Zeichnung nach eigener Vorlage am Skalnate Pleso Observatorium. Es sind zudem statistische Angaben für die Bestimmung der Fleckenrelativzahl notiert. Instrument: unbekannt, Sonnenbild D = 25 cm
Probing the Big Bang with quantum fields
Creators: name: Ashtekar, Abhay
name: De Lorenzo, Tommaso
name: Schneider, Marc
Publisher: name: arXiv
Year: 2021
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: By carrying out a systematic investigation of linear, test quantum fields $\hatϕ(x)$ in cosmological space-times, we show that $\hatϕ(x)$ remain well-defined across the big bang as operator valued distributions in a large class of Friedmann, Lemaître, Robertson, Walker space-times, including radiation and dust filled universes. In particular, the expectation values $\langle \hatϕ(x)\,\hatϕ(x')\rangle$ are well-defined bi-distributions in the extended space-time in spite of the big bang singularity. Interestingly, correlations between fields evaluated at spatially and temporally separated points exhibit an asymmetry that is reminiscent of the Belinskii, Khalatnikov, Lifshitz behavior. The renormalized products of fields $\langle \hatϕ^2(x)\rangle_{\rm ren}$ and $\langle \hat{T}_{ab}(x) \rangle_{\rm ren}$ also remain well-defined as distributions. Conformal coupling is not necessary for these considerations to hold. Thus, when probed with observables associated with quantum fields, the big bang (and the big crunch) singularities are quite harmless.
description: 38 pages; Three small clarifications added and minor typos corrected. Version to appear in Advances in Mathematical and Theoretical Physics
Sonnenfleckenzeichnung unnummeriert, einen Zürcher Lückentag ergänzend.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 26.12.1951, erstellt von Gaston Coutrez, Observatoire Royal de Belgique in Uccle
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1951

description: Bleistiftzeichnung mit Tinte und Farbstift, erstellt als Zeichnung nach eigener Vorlage in Uccle.
Instrument: Merz-Grubb Refraktor Teleskop (Öffnung 160 mm, f = 2450 mm, projiziertes Sonnenbild D = 25 cm)
Universally Acclaimed?: A Critical Literature Review of Universal Design for Learning
Creators: Yeon Soo Ha
Publisher: name: University of Alberta Library
Year: 2024

Working in postsecondary student services, in accessibility, I have encountered universal design for learning (UDL) as a potential approach to handling students’ accessibility needs in professional development workshops, training materials, conversations with colleagues, and best practice guides.

While all of these encounters referenced UDL positively, none have pinpointed exactly how it can quantifiably impact accessibility in postsecondary campuses, and what the process of implementing UDL could look like. This paper reviews the landscape of UDL in higher education throughout its history, and determines how the concept is understood today.

Through a critical disability theory lens, and drawing from professional experience working in student accessibility services, I trace the emergence of UDL as a framework in higher education, assess the impact of UDL on students and instructors described in the available literature, and

review UDL’s viability in the current higher education landscape.
Two-neutrino double-beta decay matrix elements based on relativistic nuclear energy density functional
Creators: name: Popara, N.
name: Ravlić, A.
name: Paar, N.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Nuclear Theory (nucl-th)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: Nuclear matrix elements (NMEs) for two-neutrino double-beta decay ($2νββ$) are studied in the framework of relativistic nuclear energy density functional (REDF). The properties of nuclei involved in the decay are obtained using the relativistic Hartree-Bardeen-Cooper-Schrieffer theory and relevant nuclear transitions are described using the relativistic proton-neutron quasiparticle random phase approximation based on relativistic energy density functional (REDF-QRPA). Three effective interactions have been employed, including density-dependent meson-exchange (DD-ME2) and point coupling interactions (DD-PC1 and DD-PCX), and pairing correlations are described consistently both in $T=1$ and $T=0$ channels using a separable pairing interaction. The optimal values of $T=0$ pairing strength parameter $V_{0pp}$ are constrained by the experimental data on $β$-decay half lives. The $2νββ$ matrix elements and half-lives are calculated for several nuclides experimentally known to undergo this kind of decay: $^{48}$Ca, $^{76}$Ge, $^{82}$Se, $^{96}$Zr, $^{100}$Mo, $^{116}$Cd, $^{124}$Xe, $^{128}$Te, $^{130}$Te, $^{136}$Xe and $^{150}$Nd. The model dependence of the NMEs and their sensitivity on $V_{0pp}$ is investigated, and the NMEs obtained using optimal values of $V_{0pp}$ are discussed in comparison to previous studies. The results of the present work represent an important benchmark for the future applications of the relativistic framework in studies of neutrinoless double-beta decay.
description: 18 pages, 12 figures, accepted for publication in Physical Review C
Sonnenfleckenzeichnung unnummeriert, einen Zürcher Lückentag ergänzend.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 14.09.1951, erstellt von Lubor Kresak am Skalnate Pleso Observatorium
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1951

description: Bleistiftzeichnung mit Tinte und Farbstift, erstellt als Zeichnung nach eigener Vorlage am Skalnate Pleso Observatorium. Es sind zudem statistische Angaben für die Bestimmung der Fleckenrelativzahl notiert. Instrument: unbekannt, Sonnenbild D = 25 cm
ГИДРОЛИЗ ИНУЛИНА ФЕРМЕНТНЫМ ПРЕПАРАТОМ ЭНДОИНУЛИНАЗЫ МАРКИ "НОВОЗИМ 960" ДЛЯ ПРОИЗВОДСТВА ОЛИГОФРУКТОЗЫ
Creators: name: КАРАСЕВА О.М.
name: ПИХАЛО Д.М.
name: ПУЧКОВА Т.С.
name: ЛУКИН Н.Д.
Publisher: name: Достижения науки и техники АПК
Year: 2020
Subjects: ИНУЛИН
ОЛИГОФРУКТОЗА
СИРОП
ГИДРОЛИЗ
ИНУЛИНАЗА
ФРУКТООЛИГОСАХАРИДЫ (ФОС)
УГЛЕВОДНЫЙ СОСТАВ
INULIN
OLIGOFRUCTOSE
SYRUP
HYDROLYSIS
INULINASE
FRUCTOOLIGOSACCHARIDES (FOS)
CARBOHYDRATE COMPOSITION

description: Исследования проводили с целью изучения влияния ферментного препарата эндоинулиназы марки «Новозим 960» на эффективность гидролиза раствора инулина для определения оптимальных параметров процесса. Использовали инулин марки «Рафтилин» (Бельгия). Гидролиз осуществляли при t=55.58 оС; рН=4,7...5,2 ед.; содержание сухих веществ 19,6 %; продолжительность процесса составляла 24, 48, 72 ч; дозировки препарата - 0,3; 0,4; 0,5; 1,2; 5,0 ед. INU/г СВ раствора инулина. Контролем служил образец олигофруктозы марки «Рафтилоза» (Бельгия), следующего углеводного состава: массовая доля фруктоолигосахаридов (ФОС) - 70,12 %; олигофруктозидов - 24,79 %; дисахаридов - 2,11 %; фруктозы - 2,98 %. Углеводный состав олигофруктозы после гидролиза инулина определяли на жидкостном хроматографе с рефрактометрическим датчиком фирмы Gilson. Для получения олигофруктозы с оптимальным соотношением углеводов необходима дозировка препарата 0,3...0,4 ед. INU/г СВ раствора, продолжительность гидролиза 22.24 ч. Массовая доля ФОС в образце олигофруктозы, выработанном в этом варианте составила 73,04 %; олигофруктозидов - 22,79 %; дисахаридов - 1,74 %; фруктозы - 2,43 %, сумма ФОС и олигофруктозидов - 95,83 %; ди- и моносахаридов - 4,17 %. Углеводный состав произведенного образца соответствовал по качеству олигофруктозе марки «Рафтилоза». Увеличение дозировки препарата инулиназы до 1, 2 и 5 ед. INU/г СВ раствора инулина приводит к повышению суммы ди- и моносахаридов до 17,22.18,57 %, что более чем в 3 раза превышает величину этого показателя в контрольном образце.
Formica coxalis
Creators: name: Smith, F.
Publisher: name: Zenodo
Year: 1859
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Formicidae
Formica
Formica coxalis

description: 5. Formica coxalis.
F. nigra, nitida; flagello, coxis et abdomine subtus pallide testaceis.
Worker major. Length 5 lines. Black and very delicately roughened with a fine transverse waved striation only perceptible under a good magnifying power. Head large, much wider than the thorax, oblongovate with a deep emargination behind; the clypeus slightly produced and truncate anteriorly, the angles of the truncation rounded, and with a central shining carina; the flagellum, except the tarsal joint, pale rufo-testaceous. Thorax elongate, compressed behind, the coxae pale rufo-testaceous. Abdomen ovate, the scale of the petiole incrassate, somewhat wedge-shaped when viewed sideways, the abdomen sparingly sprinkled with long pale hairs.
description: Published as part of Smith, F., 1859, Catalogue of hymenopterous insects collected by Mr. A. R. Wallace at the Islands of Aru and Key., pp. 132-158 in Journal of the Proceedings of the Linnean Society of London, Zoology 3 on page 136
A provably efficient monotonic-decreasing algorithm for shape optimization in Stokes flows by phase-field approaches
Creators: name: Li, Futuan
name: Yang, Jiang
Publisher: name: arXiv
Year: 2021
Subjects: subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics

description: In this work, we study shape optimization problems in the Stokes flows. By phase-field approaches, the resulted total objective function consists of the dissipation energy of the fluids and the Ginzburg--Landau energy functional as a regularizing term for the generated diffusive interface, together with Lagrangian multiplayer for volume constraint. An efficient decoupled scheme is proposed to implement by the gradient flow approach to decrease the objective function. In each loop, we first update the velocity field by solving the Stokes equation with the phase field variable given in the previous iteration, which is followed by updating the phase field variable by solving an Allen--Cahn-type equation using a stabilized scheme. We then take a cut-off post-processing for the phase-field variable to constrain its value in $[0,1]$. In the last step of each loop, the Lagrangian parameter is updated with an appropriate artificial time step. We rigorously prove that the proposed scheme permits an unconditionally monotonic-decreasing property, which allows us to use the adaptive mesh strategy. To enhance the overall efficiency of the algorithm, in each loop we update the phase field variable and Lagrangian parameter several time steps but update the velocity field only one time. Numerical results for various shape optimizations are presented to validate the effectiveness of our numerical scheme.
Kim Smith response to England Curriculum Review 2024.
Creators: name: Smith, Kim
Publisher: name: figshare
Year: 2024
Subjects: classificationCode: 390304
subject: Primary education
classificationCode: 300606
subject: Food sustainability

description: This is the formal submission to the English Curriculum Review Call for Evidence in November 2024. This submission focused on food education and how it can be improved in the primary curriculum.
Sonnenfleckenzeichnung Nr. 17972.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 10.11.1951, erstellt von Helmut Müller
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1951

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der Eidgenössischen Sternwarte Zürich. Instrument: Kern-Merz-Refraktor.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Unter Umständen sind Angaben zu Protuberanzen vermerkt
Sonnenfleckenzeichnung Nr. 17978.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 17.11.1951, erstellt von Helmut Müller
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1951

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der Eidgenössischen Sternwarte Zürich. Instrument: Kern-Merz-Refraktor.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Unter Umständen sind Angaben zu Protuberanzen vermerkt
Fourth-order moment of the light field in atmosphere for moderate and strong turbulence
Creators: name: Baskov, Roman
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: Atmospheric and Oceanic Physics (physics.ao-ph)
subject: Fluid Dynamics (physics.flu-dyn)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Collisionless Boltzmann equation is used to describe the intensity correlations in partially saturated and fully saturated regimes in terms of photon distribution function in the phase space. Explicit expression for fourth moment of the light fields is obtained for the case of moderate and strong turbulence. Such expression consists of two terms accounting for two regions in the phase space that independently contribute to the correlation function. It is shown that present solution agrees with previous results for fully saturated regime. Additionally it embodies the effect of partially saturated radiation where the correlations of photon trajectories are important and the magnitude of the scintillation index is well above the unity. Fourth moment is used to study the fluctuations of transmittance which consider the effect of finite detector aperture.
description: 10 pages, 5 figures
ПРИМЕНЕНИЕ АМАРАНТОВОЙ МУКИ В ПРОИЗВОДСТВЕ ВАФЕЛЬНЫХ ЛИСТОВ ПОВЫШЕННОЙ ПИЩЕВОЙ ЦЕННОСТИ
Creators: name: ГИНС М.С.
name: ХАСАНОВА С.Д.
name: БАЛЫХИН М.Г.
name: СКОБЕЛЬСКАЯ З.Г.
Publisher: name: Достижения науки и техники АПК
Year: 2020
Subjects: АМАРАНТ (AMARANTHUS HYPOCHONDRICUS
АMARANTHUS TRICOLOR)
МУКА
ВАФЕЛЬНЫЙ ЛИСТ
РЕЦЕПТУРА
ПИЩЕВАЯ ЦЕННОСТЬ
AMARANTH (AMARANTHUS HYPOCHONDRICUS
AMARANTHUS TRICOLOR)
FLOUR
WAFFLE SHEET
FORMULATION
NUTRITIONAL VALUE

description: Производство пищевых продуктов функционального назначения - актуальный вопрос организации здорового питания. Исследования проводили с целью поиска аналитической зависимости, характеризующей влияние рецептурных компонентов на показатели качества продукции, а также обоснования доли внесения муки из семян амаранта в рецептуру вафельных листов, обеспечивающей одновременное улучшение качества готовых изделий и повышение их питательной ценности. В работе использовали муку из семян амаранта сортов Крепыш (Amaranthushypochondricus) и Валентина (Amaranthus tricolor). Оптимальное количество вносимой амарантовой муки сорта Крепыш (6 %) установлено методом планирования полного факторного эксперимента «пятиуровневый-однофакторный» (51), в котором фактором была массовая доля амарантовой (минимальный и максимальный уровни - 2,0 и 10,0 %; шаг варьирования - 2,0 %). По результатам «трехуровневого-двухфакторного» (32) эксперимента, в котором факторами служили массовая доля амарантовой муки сортов Крепыш - Х1 и Валентина - Х2 (минимальный, средний и максимальный уровни фактора Х1 - 6,0, 8,0 и 10,0 %; фактора Х2 - 2,5, 4,0 и 5,5 % соответственно), оптимальное количество муки указанных сортов при их совместном внесении составляет 8,0 и 4,0 % соответственно. Расчет пищевой ценности готового продукта свидетельствует об увеличении доли белков на 0,88 %, жиров - на 0,81 %, пищевых волокон - на 0,62 %, минеральных веществ - на 762,55 мг%. Отмечается незначительное увеличение доли ниацина на 0,14 %, а также уменьшение содержания крахмала и усвояемых углеводов на 2,33 и 1,1 % соответственно.
Sonnenfleckenzeichnung Nr. 17984.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 27.11.1951, erstellt von Helmut Müller
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1951

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der Eidgenössischen Sternwarte Zürich. Instrument: Kern-Merz-Refraktor.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Später wurden ergänzende Angaben aufgrund auswärtiger Beobachtungen direkt auf der Fleckenzeichnung hinzugefügt. Unter Umständen sind Angaben zu Protuberanzen vermerkt
Solar system peculiar motion from the Hubble diagram of quasars and testing the Cosmological Principle
Creators: name: Singal, Ashok K.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We determine here peculiar motion of the Solar system, first time from the $m-z$ Hubble diagram of quasars. Observer's peculiar motion causes a systematic shift in the $m-z$ plane between sources lying along the velocity vector and those in the opposite direction, providing a measure of the peculiar velocity. Accordingly, from a sample of $\sim 1.2 \times 10^5$ mid-infrared quasars with measured spectroscopic redshifts, we arrive at a peculiar velocity $\sim 22$ times larger than that from the CMBR dipole, but direction matching within $\sim 2σ$. Previous findings from number count, sky brightness or redshift dipoles observed in samples of distant AGNs or SNe Ia too had yielded values two to ten times larger than the CMBR value, %but this by far is the largest value arrived at for the peculiar motion, though the direction in all cases agreed with the CMBR dipole. Since a genuine solar peculiar velocity cannot vary from one dataset to the other, an order of magnitude, statistically significant, discordant dipoles, might imply that we may instead have to look for some other cause for the genesis of these dipole, including that of the CMBR. At the same time, a common direction for all these dipoles, determined from completely independent surveys by different groups employing different techniques, might indicate that these dipoles are not resulting from some systematics in the observations or in the data analysis, but could instead suggest a preferred direction in the Universe due to an inherent anisotropy, which, in turn, would be against the Cosmological Principle (CP), the most basic tenet of the modern cosmology.
description: 13 pages, 8 figures. accepted in MNRAS. arXiv admin note: text overlap with arXiv:2106.11968
Sonnenfleckenzeichnung Nr. 17982.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 23.11.1951, erstellt von Helmut Müller
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1951

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der Eidgenössischen Sternwarte Zürich. Instrument: Kern-Merz-Refraktor.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Später wurden ergänzende Angaben aufgrund auswärtiger Beobachtungen direkt auf der Fleckenzeichnung hinzugefügt. Unter Umständen sind Angaben zu Protuberanzen vermerkt
Sonnenfleckenzeichnung Nr. 17991.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 04.12.1951, erstellt von Helmut Müller
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1951

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der Eidgenössischen Sternwarte Zürich. Instrument: Kern-Merz-Refraktor.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Später wurden ergänzende Angaben aufgrund auswärtiger Beobachtungen direkt auf der Fleckenzeichnung hinzugefügt. Unter Umständen sind Angaben zu Protuberanzen vermerkt
Dose-dependent association of alcohol consumption with obesity and type 2 diabetes: Mendelian randomization analyses
Creators: name: Lu, Tianyuan
Publisher: name: figshare
Year: 2024
Subjects: classificationCode: 310599
subject: Genetics not elsewhere classified
classificationCode: 320208
subject: Endocrinology

description: Changelog: Sex-specific analyses using the doubly ranked non-linear MR method have been added. Supplementary Figure S6 and Supplementary Table S15 have been updated.Supplementary Notes (AlcoholNonLinear.Notes.13Feb2024.JCEM.corrected.docx)Supplementary Tables (Supplementary_Tables.corrected.xlsx)Supplementary Figures (SupplementaryFigures.corrected.pdf)Old files are also provided.
Exact Universal Chaos, Speed Limit, Acceleration, Planckian Transport Coefficient, "Collapse" to equilibrium, and Other Bounds in Thermal Quantum Systems
Creators: name: Nussinov, Zohar
name: Chakrabarty, Saurish
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: We introduce "local uncertainty relations" in thermal many body systems. Using these relations, we derive basic bounds. These results include the demonstration of universal non-relativistic speed limits (regardless of interaction range), bounds on acceleration or force/stress, acceleration or material stress rates, transport coefficients (including the diffusion constant and viscosity), electromagnetic or other gauge field strengths, correlation functions of arbitrary spatio-temporal derivatives, Lyapunov exponents, and thermalization times. We further derive analogs of the Ioffe-Regel limit. These bounds are relatively tight when compared to various experimental data. In the $\hbar \to 0$ limit, all of our bounds either diverge (e.g., the derived speed and acceleration limit) or vanish (as in, e.g., our viscosity and diffusion constant bounds). Our inequalities hold at all temperatures and, as corollaries, imply general power law bounds on response functions at both asymptotically high and low temperatures. Our results shed light on how apparent nearly instantaneous effective "collapse" to energy eigenstates may arise in macroscopic interacting many body quantum systems. We comment on how random off-diagonal matrix elements of local operators (in the eigenbasis of the Hamiltonian) may inhibit their dynamics.
description: 58 pages
Formica cordata
Creators: name: Smith, F.
Publisher: name: Zenodo
Year: 1859
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Formicidae
Formica
Formica cordata

description: 6. Formica cordata.
F. pallide rufa; abdomine fusco, capite cordato.
Worker. Length 2 lines. Pale rufo-testaceous; the head heart-shaped; the eyes black, the flagellum fusco-ferruginous with the basal joints pale; the mandibles ferruginous. Thorax narrow, deeply strangulated at the base of the metathorax. Abdomen more or less fuscous, the node of the petiole narrow and pointed above; the entire insect is smooth and shining.
Hab. Aru.
The worker minor is rather smaller and has the abdomen darker, in all the specimens received, but in other respects agrees with the above.
description: Published as part of Smith, F., 1859, Catalogue of hymenopterous insects collected by Mr. A. R. Wallace at the Islands of Aru and Key., pp. 132-158 in Journal of the Proceedings of the Linnean Society of London, Zoology 3 on page 137
Higher dimensional charged static and rotating solutions in mimetic gravity
Creators: name: Bakhtiarizadeh, Hamid R.
Publisher: name: arXiv
Year: 2021
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We find new solutions to the Einstein-Maxwell equations in the presence of mimetic field in $ D $ dimensions, all of which are asymptotically Antide Sitter. We derive the solutions in five-dimensional spacetime, in detail. By extending the calculations to six and seven dimensions, we obtain a general form for solutions in dimensions larger than four. The results describe electrically charged static and rotating solutions, which have spherical, toroidal or cylindrical horizons. The solutions, depending on their global identifications, can be regarded as black holes, or black strings/branes. Some physical properties of solutions such as horizons, singularities as well as entropy, mass, and angular momenta of rotating solutions are also investigated.
description: LaTex file, 22 pages, 9 diagrams. v2: To appear in EPJC
Fast and robust earthquake source spectra and moment magnitudes from envelope inversion
Creators: name: Eulenfeld, Tom
name: Dahm, Torsten
name: Heimann, Sebastian
name: Wegler, Ulrich
Publisher: name: arXiv
Year: 2021
Subjects: subject: Geophysics (physics.geo-ph)
subject: FOS: Physical sciences

description: With the present study we introduce a fast and robust method to calculate the source displacement spectra of small earthquakes on a local to regional scale. The work is based on the publicly available Qopen method of full envelope inversion which is further tuned for the given purpose. Important source parameters -- seismic moment, moment magnitude, corner frequency and high-frequency fall-off -- are determined from the source spectra by fitting a simple earthquake source model. The method is demonstrated by means of a data set comprising the 2018 West Bohemia earthquake swarm. We report moment magnitudes, corner frequencies, and centroid moment tensors inverted from short period body waves with the Grond package for all earthquakes with a local magnitude larger than 1.8. Moment magnitudes calculated by envelope inversion show a very good agreement to moment magnitudes resulting from the probabilisitc moment tensor inversion. Furthermore, source displacement spectra from envelope inversion show a good agreement with spectra obtained by multiple taper analysis of the direct onsets of body waves, but are not affected by the large scatter of the second. The seismic moments obtained with the envelope inversion scale with corner frequencies according to $M_0 \propto f_{\mathrm{c}}^{-4.7}$. Earthquakes of the present data set result in a smaller stress drop for smaller magnitudes. Self-similarity of earthquake rupture is not observed. Additionally, we report frequency-dependent site amplification at the used stations.
description: Version after peer-review
Sonnenfleckenzeichnung Nr. 17956.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 20.10.1951, erstellt von Adolf Lemans
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1951

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der Eidgenössischen Sternwarte Zürich. Instrument: Kern-Merz-Refraktor.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Später wurden ergänzende Angaben aufgrund auswärtiger Beobachtungen direkt auf der Fleckenzeichnung hinzugefügt. Unter Umständen sind Angaben zu Protuberanzen vermerkt
Robust Explainability: A Tutorial on Gradient-Based Attribution Methods for Deep Neural Networks
Creators: name: Nielsen, Ian E.
name: Dera, Dimah
name: Rasool, Ghulam
name: Bouaynaya, Nidhal
name: Ramachandran, Ravi P.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Machine Learning (cs.LG)
subject: Artificial Intelligence (cs.AI)
subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: With the rise of deep neural networks, the challenge of explaining the predictions of these networks has become increasingly recognized. While many methods for explaining the decisions of deep neural networks exist, there is currently no consensus on how to evaluate them. On the other hand, robustness is a popular topic for deep learning research; however, it is hardly talked about in explainability until very recently. In this tutorial paper, we start by presenting gradient-based interpretability methods. These techniques use gradient signals to assign the burden of the decision on the input features. Later, we discuss how gradient-based methods can be evaluated for their robustness and the role that adversarial robustness plays in having meaningful explanations. We also discuss the limitations of gradient-based methods. Finally, we present the best practices and attributes that should be examined before choosing an explainability method. We conclude with the future directions for research in the area at the convergence of robustness and explainability.
description: 23 pages, 4 figures
Formica oculata
Creators: name: Smith, F.
Publisher: name: Zenodo
Year: 1859
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Formicidae
Formica
Formica oculata

description: 7. Formica oculata.
F. pallide ferruginea; capite oblongo, oculis magnis, thorace compresso.
Worker. Length 2 1 / 2 lines. Pale ferruginous, with the vertex and apex of the abdomen black; the head oblong, the sides nearly parallel, with the anterior margin truncate; the mandibles with fine acute teeth on their inner margin; the antennae inserted wide apart about the middle of the head; the eyes very large and ovate, placed backwards on the sides of the head, reaching to the posterior margin of the vertex, forming as it were its posterior lateral angles. The thorax narrow and compressed behind; abdomen ovate, entirely smooth and shining.
Hab. Aru.
description: Published as part of Smith, F., 1859, Catalogue of hymenopterous insects collected by Mr. A. R. Wallace at the Islands of Aru and Key., pp. 132-158 in Journal of the Proceedings of the Linnean Society of London, Zoology 3 on page 137
Sonnenfleckenzeichnung Nr. 17913.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 29.08.1951, erstellt von Helmut Müller
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1951

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der Eidgenössischen Sternwarte Zürich. Instrument: Kern-Merz-Refraktor.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Später wurden ergänzende Angaben aufgrund auswärtiger Beobachtungen direkt auf der Fleckenzeichnung hinzugefügt. Unter Umständen sind Angaben zu Protuberanzen vermerkt
Formica mutilata
Creators: name: Smith, F.
Publisher: name: Zenodo
Year: 1859
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Formicidae
Formica
Formica mutilata

description: 8. Formica mutilata.
F. nigra; capite oblongo, truncato antice et sanguineo, antennis tarsisque rufo-testaceis.
Worker. Length 2 3 / 4 lines. Black and shining; the head truncate anteriorly, the antennae inserted wide apart, about the middle, the face blood-red before their insertion and deeply striated longitudinally, behind the antennae the head is black, smooth, and shining; the eyes ovate and placed backwards on the sides of the head. Thorax rounded in front and strangulated between the meso- and metathorax, the latter obliquely truncate; legs rather short and stout, the femora compressed, the anterior pair broadly dilated, the base and apex of the femora, the tibiae, and tarsi rufo-testaceous, the tibiae with a darker stain behind. Abdomen oblong-ovate, the apical margins of the segments narrowly pale testaceous; the scale of the petiole compressed, with its superior margin rounded.
Hab. Aru.
This is a very singular insect in many respects, and closely resembles in form the Formica truncata of Spinola.
description: Published as part of Smith, F., 1859, Catalogue of hymenopterous insects collected by Mr. A. R. Wallace at the Islands of Aru and Key., pp. 132-158 in Journal of the Proceedings of the Linnean Society of London, Zoology 3 on page 137
Sonnenfleckenzeichnung Nr. 17960.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 28.10.1951, erstellt von Helmut Müller
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1951

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der Eidgenössischen Sternwarte Zürich. Instrument: Kern-Merz-Refraktor.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Unter Umständen sind Angaben zu Protuberanzen vermerkt
Sonnenfleckenzeichnung unnummeriert, einen Zürcher Lückentag ergänzend.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 08.11.1951, erstellt von J. Lagomacini an der Sternwarte Madrid
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1951

description: Zeichnung mit Tinte, erstellt auf einem eigenen Vordruck in Madrid. Instrument: Grubb Refraktor Teleskop (Öffnung: 20 cm, f = 3 m, projiziertes Sonnenbild D = 25 cm).
Instrumentennachweis gemäss Aparicio (u.a.): Sunspot, in: Solar Physics, Vol. 289, S. 4335-49, DOI: 10.1007/s11207-014-0567-x
Trade off-Free Entanglement Stabilization in a Superconducting Qutrit-Qubit System
Creators: name: Brown, Tristan
name: Doucet, Emery
name: Ristè, Diego
name: Ribeill, Guilhem
name: Cicak, Katarina
name: Aumentado, Joe
name: Simmonds, Ray
name: Govia, Luke
name: Kamal, Archana
name: Ranzani, Leonardo
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Quantum reservoir engineering is a powerful framework for autonomous quantum state preparation and error correction. However, traditional approaches to reservoir engineering are hindered by unavoidable coherent leakage out of the target state, which imposes an inherent trade off between achievable steady-state state fidelity and stabilization rate. In this work we demonstrate a protocol that achieves trade off-free Bell state stabilization in a qutrit-qubit system realized on a circuit-QED platform. We accomplish this by creating a purely dissipative channel for population transfer into the target state, mediated by strong parametric interactions coupling the second-excited state of a superconducting transmon and the engineered bath resonator. Our scheme achieves a state preparation fidelity of 84% with a stabilization time constant of 339 ns, leading to the lowest error-time product reported in solid-state quantum information platforms to date.
description: 19 pages, 14 figures
Formica quadriceps
Creators: name: Smith, F.
Publisher: name: Zenodo
Year: 1859
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Formicidae
Formica
Formica quadriceps

description: 9. Formica quadriceps.
F. nigra, nitida; capite antice oblique truncato, thorace postice compresso.
Worker. Length 3 1 / 2 lines. Shining black; head oblong-quadrate, slightly narrowed anteriorly, with the sides nearly straight, the posterior angles rounded, and very slightly emarginate behind; the head obliquely truncate from the base of the clypeus; the truncation as well as the mandibles obscurely ferruginous; the apex of the flagellum and the apical joints of the tarsi pale rufo-testaceous. Thorax rounded anteriorly, compressed behind, with the metathorax abruptly truncate. The scale of the petiole narrow, incrassate, its anterior margin slightly curved, its posterior margin straight; the abdomen ovate.
Worker minor. About 3 lines long, very like the larger worker, the head being truncate in front; but it is, in proportion to the thorax, narrower; the latter is compressed and abruptly truncate; in other respects it agrees with the worker major.
Hab. Aru.
description: Published as part of Smith, F., 1859, Catalogue of hymenopterous insects collected by Mr. A. R. Wallace at the Islands of Aru and Key., pp. 132-158 in Journal of the Proceedings of the Linnean Society of London, Zoology 3 on pages 137-138
Sonnenfleckenzeichnung, unnummeriert.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 15.09.1951, erstellt von Gaston Coutrez, Observatoire Royal de Belgique in Uccle
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1951

description: Bleistiftzeichnung mit Tinte und Farbstift, erstellt als Zeichnung nach eigener Vorlage in Uccle.
Instrument: Merz-Grubb Refraktor Teleskop (Öffnung 160 mm, f = 2450 mm, projiziertes Sonnenbild D = 25 cm)
DCT2net: an interpretable shallow CNN for image denoising
Creators: name: Herbreteau, Sébastien
name: Kervrann, Charles
Publisher: name: arXiv
Year: 2021
Subjects: subject: Image and Video Processing (eess.IV)
subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Machine Learning (cs.LG)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Computer and information sciences

description: This work tackles the issue of noise removal from images, focusing on the well-known DCT image denoising algorithm. The latter, stemming from signal processing, has been well studied over the years. Though very simple, it is still used in crucial parts of state-of-the-art "traditional" denoising algorithms such as BM3D. Since a few years however, deep convolutional neural networks (CNN) have outperformed their traditional counterparts, making signal processing methods less attractive. In this paper, we demonstrate that a DCT denoiser can be seen as a shallow CNN and thereby its original linear transform can be tuned through gradient descent in a supervised manner, improving considerably its performance. This gives birth to a fully interpretable CNN called DCT2net. To deal with remaining artifacts induced by DCT2net, an original hybrid solution between DCT and DCT2net is proposed combining the best that these two methods can offer; DCT2net is selected to process non-stationary image patches while DCT is optimal for piecewise smooth patches. Experiments on artificially noisy images demonstrate that two-layer DCT2net provides comparable results to BM3D and is as fast as DnCNN algorithm composed of more than a dozen of layers.
Sonnenfleckenzeichnung Nr. 17953.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 16.10.1951, erstellt von Helmut Müller
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1951

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der Eidgenössischen Sternwarte Zürich. Instrument: Kern-Merz-Refraktor.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Später wurden ergänzende Angaben aufgrund auswärtiger Beobachtungen direkt auf der Fleckenzeichnung hinzugefügt. Unter Umständen sind Angaben zu Protuberanzen vermerkt
A Moving Embedded Boundary Approach For The Compressible Navier-Stokes Equations In A Block-Structured Adaptive Refinement Framework
Creators: name: Natarajan, Mahesh
name: Grout, Ray
name: Zhang, Weiqun
name: Day, Marc
Publisher: name: arXiv
Year: 2021
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: A computational technique has been developed to perform compressible flow simulations involving moving boundaries using an embedded boundary approach within the block-structured adaptive mesh refinement framework of AMReX. A conservative, unsplit, cut-cell approach is utilized and a ghost-cell approach is developed for computing the flux on the moving, embedded boundary faces. Various test cases are performed to validate the method, and compared with analytical, experimental, and other numerical results in literature. Inviscid and viscous test cases are performed that span a wide regime of flow speeds $-$ acoustic (harmonically pulsating sphere), smooth flows (expansion fan created by a receding piston) and flows with shocks (shock-cylinder interaction, shock-wedge interaction, pitching NACA 0012 airfoil and shock-cone interaction). A closed system with moving boundaries $-$ an oscillating piston in a cylinder, showed that the percentage error in mass within the system decreases with refinement, demonstrating the conservative nature of the moving boundary algorithm. Viscous test cases involve that of a horizontally moving cylinder at $Re=40$, an inline oscillating cylinder at $Re=100$, and a transversely oscillating cylinder at $Re=185$. The judicious use of adaptive mesh refinement with appropriate refinement criteria to capture the regions of interest leads to well-resolved flow features, and good quantitative comparison is observed with the results available in literature.
description: 31 pages