cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
The symmetric dust shell and the central star of the bipolar planetary nebula NGC 6537
Creators: name: Matsuura, M.
name: Zijlstra, A. A.
name: Gray, M. D.
name: Molster, F. J.
name: Waters, L. B. F. M.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present high-resolution images of the strongly bipolar planetary nebula NGC 6537, obtained with Hubble Space Telescope and with the infrared adaptive optics system on the Very Large Telescope. The central star is detected for the first time. Using the multi-band photometry and constraints from the dynamical age of the nebula, we derive a temperature in the range 1.5-2.5 10^5 K, a luminosity~10^3 L_sun and a core mass M_c~0.7-0.9 M_sun. The progenitor mass is probably in the range M_i = 3-7 M_sun. The extinction map shows a largely symmetric, and compact dust structure, which is most likely a shell, located at the neck of the bipolar flow, only 4 arcsec from the star. The dust shell traces a short-lived phase of very high mass loss at the end of the AGB. The dynamical age of the shell and bipolar lobes are very similar but the morphologies are very different. The data suggests that the mass loss during the ejection of the compact shell was largely spherically symmetric, and the pronounced bipolarity formed afterwards. The dynamical ages of the bipolar lobes and dust shell are similar, which is consistent with suggestions that bipolar structures form in a run-away event at the very last stages of the AGB mass loss. The inner edge of the dust shell is ionized, and PAH emission is seen just outside the ionized gas. We associate the PAH emission with the photo-dissociation region of the molecular shell.
description: 10 pages, accepted by MNRAS
ADOLESCENT GIRLS PROGRAMING IN NIGERIA-Main Report-19-10-15 (Autosaved) (1).pdf
Creators: name: Ogoko, Gerald
Publisher: name: figshare
Year: 2020
Subjects: subject: Economics
subject: 140204 Economics of Education
subject: FOS: Economics and business
subject: Education

description: This study examines the landscape for adolescent girls' programs in Nigeria.
Die georgische Version des 1. und 2. Korintherbriefes ins Lateinische übertragen und nach Syriazismen untersucht
Creators: name: Molitor, Joseph
Publisher: name: Oriens christianus : Hefte für die Kunde des christlichen Orients
Year: 2024

description: Oriens christianus : Hefte für die Kunde des christlichen Orients, Bd. 58 (1974): Oriens christianus, Band 58
Periodic quenches across the Berezinskii-Kosterlitz-Thouless phase transition
Creators: name: Brown, Kate
name: Bland, Thomas
name: Comaron, Paolo
name: Proukakis, Nick P.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: The quenched dynamics of an ultracold homogeneous atomic two-dimensional Bose gas subjected to periodic quenches across the Berezinskii-Kosterlitz-Thouless (BKT) phase transition are discussed. Specifically, we address the effect of periodic cycling of the effective atomic interaction strength between a thermal disordered state above, and a highly ordered state below the critical BKT interaction strength, by means of numerical simulations of the stochastic projected Gross-Pitaevskii equation. Probing the emerging dynamics as a function of the frequency of sinusoidal driving from low to high frequencies reveals diverse dynamical features, including phase-lagged quasi adiabatic reversible condensate formation, resonant excitation consistent with an intrinsic system relaxation timescale, and gradual establishment of dynamically-recurring or time-averaged non-equilibrium states with enhanced coherence which are neither condensed, nor thermal. Our study paves the way for experimental observation of such driven non-equilibrium ultracold superfluid states.
description: 14 pages, 5 figures
El sacrificio de la misa de Gonzalo de Berceo : estudio socio-cultural del poema con un análisis particular de su estructura tipológica
Creators: name: Escuer-Riera, Iris
Publisher: name: University of British Columbia
Year: 2009

description: The following study is divided into two parts. The first is a socio-cultural analysis of a poem by Gonzalo de Berceo (late 12th-early 13th century) entitled Sacrificio de la Misa. The second is a study of the typological structure of Berceo's poem. Critics have generally advanced the idea that Berceo was a poet with little academic formation, and that he composed his poetry for the delight of a lay audience. This study of the Sacrificio de la Misa suggests that the opposite is true; that is, that Berceo could well have received academic training, even though it may not have been what was available to monks who, at that time, received the highest level of education. The Sacrificio de la Misa also shows that the audience to whom it was aimed was not an unlettered one; rather, it was directed to students, specifically those who were preparing for the priesthood in the monastery of San Millan. We reach these conclusions after a study of the academic world of Berceo's time. We also examine the likelihood that Berceo attended a studium generate, specifically the University of Palencia. The thesis also questions the purpose of the poem, and the reason why Berceo composes a doctrinal work in which he describes in detail the canon of the Mass according to the Roman Rite. We conclude that the Sacrificio de la Misa was composed in order to establish this rite in a territory where previously the Mozarabic Rite had predominated. The poet takes the opportunity of teaching the structure of the Roman Rite to the students to whom he addresses the poem. The second part of the thesis consists of an analysis of the typological structure of the poem, a subject about which little has been written. Berceo adds nothing new to the use of typology in a Christian context, since he has acquired this method from the Bible itself, from which St. Paul already took events in the Old Testament as prophetic prefigurations of the New. Berceo's novelty lies in his adaptation of this literary technique to Castilian poetry.
Some Thoughts on China’s Territorial Spatial Planning in the New Period
Creators: name: CHENG Guilin
name: LI Xiaoyun
name: ZENG Jingxin
name: CHENG Guilin
name: LI Xiaoyun
name: ZENG Jingxin
Publisher: name: Unknown
Year: 2020
Subjects: subject: Agribusiness
subject: Urban planning, Spatial planning, Territorial spatial planning

description: The Third Plenary Session of the 18th Central Committee of the Communist Party of China clearly proposed to "establish a spatial planning system, delimit production, living, and ecological space development control boundaries, and implement use control; improve energy, water and land conservation and intensive use system", opening the prelude to territorial spatial planning in the new era. Reviewing the history of planning and development and summarizing experience and lessons is not only a necessary way to promote the development of territorial spatial planning in the new period, but also a useful reference for territorial spatial planning and construction in the new period.
WILLINGNESS TO PARTICIPATE IN A BEEF CATTLE MARKETING COOPERATIVE
Creators: name: Lacy, R. Curt
name: Hudson, Darren
name: Little, Randall D.
name: Lacy, R. Curt
name: Hudson, Darren
name: Little, Randall D.
Publisher: name: Unknown
Year: 2003
Subjects: subject: Livestock Production/Industries
subject: Marketing
subject: FOS: Economics and business

description: Based on the results of a 1999 survey of Mississippi Beef Cattle Producers, producers were willing to invest $1.66 per head marketed in a beef cattle marketing cooperative. Factors that had the largest positive impact on WTP were producers who were willing to permanently identify all of their cows and calves and producers who were willing to accept prices negotiated by the cooperative. Negative factors included producer willingness to implement a pre-weaning health management program and the percentage of replacement heifers purchased through regular auctions.
UNDERGRADUATE PERCEPTIONS OF THE NEED FOR AN AGRICULTURAL ENTREPRENEURSHIP CURRIUCULUM
Creators: name: Parcell, Joseph L.
name: Sykuta, Michael E.
name: Parcell, Joseph L.
name: Sykuta, Michael E.
Publisher: name: Unknown
Year: 2003
Subjects: Teaching/Communication/Extension/Profession

description: Interest in agri-entrepreneurship is increasingly rapidly. While rural communities believe economic growth can come for entrepreneurship, little is being done within colleges of agriculture to prepare students to become entrepreneurs. We report the results of an undergraduate student survey of University of Missouri College of Agriculture students. We find that students are interested in this topic, and we find students lack knowledge in several key areas typically needed to develop an entrepreneurship mentality.
Auditory Processing Problems Psycho social wellbeing and EMDR
Creators: name: Damien, Howard
Publisher: name: Zenodo
Year: 2021
Subjects: auditory processing disorder emir

description: presentation on the benefits of using EMDR with people who experience auditory processing problems. Auditory processing problems affect about 10% of the population. • Difficulties in neurological processing of what is heard, usually from an early age.
 • They are common among people who had middle ear disease in childhood. Most people with it are not aware they have auditory processing problems.
 • They can impact on how people communicate, socialise, learn and feel about themselves.
 • Because of the psycho social impacts it it has, it common among people who seek help from psychologists and others. Especially those with anxiety.
 • A key indicator are people having problems understanding what others say when there is background noise.
cDNA-SCoT Analysis of Differential Expressed Genes in Allium tuberosum Induced by Botrytis cinerea
Creators: name: CHEN Minghui
name: ZHANG Zhilu
name: LI Yanjiao
name: YAO Pengqiang
name: CHENG Shiping
name: ZHAO Ganqing
name: CHEN Minghui
name: ZHANG Zhilu
name: LI Yanjiao
name: YAO Pengqiang
name: CHENG Shiping
name: ZHAO Ganqing
Publisher: name: Unknown
Year: 2020
Subjects: subject: Agribusiness
subject: Allium tuberosum, Grey mould, cDNA-SCoT, Differential genes

description: [Objectives] To investigate the molecular mechanism of gene differential expression in A.tuberosum under Botrytis cinerea stress. [Methods] The leaf of A. tuberosum was inoculated with B. cinerea to induce resistance, then leaf samples were taken at 2, 4, 8, 12 and 24 h, respectively, after inoculation, and used for cDNA-SCoT analysis to detect the gene differential expressions. [Results] More than 800 bands with length of 100–1800 bp were obtained using 60 SCoT primers. A total of 40 differentially expressed EST sequences were screened out, and 18 non-redundant ESTs with high quality were obtained by cluster analyses of the ESTs sequencing. The results of BlastN showed that the differential genes of A. tuberosum mainly related to disease defense, signal transduction, and protein metabolism. [Conclusions] Further analysis of gene function indicated that brassinosteroid biosynthesis-like proteins, NBS-LRR type disease resistance protein, jasmonic acid induced protein, abscisic stress ripening protein may be involved in the process of the incompatible interaction between the A. tuberosum and B. cinerea.
Identification and Detection of Dyeing Components in Counterfeit Cinnabar (Elutriation)
Creators: name: RAN Hailin
name: RAN Hailin
Publisher: name: Unknown
Year: 2020
Subjects: subject: Agribusiness
subject: Cinnabar (elutriation), Dyeing, High performance liquid chromatography-mass spectrometry

description: [Objectives] This study aimed to analyze the dyeing status and dyeing components of counterfeit cinnabar (elutriation), in order to provide technical basis for cinnabar (elutriation) supervision. [Methods] The scarlet 808 in cinnabar (elutriation) was identified qualitatively using thin-layer chromatography (TLC) and high-performance liquid chromatography (HPLC), and the positive samples were confirmed by high-performance liquid chromatography-mass spectrometry (HPLC-MS). The conditions were as follows: column, Agilent Eclipse Plus C18; mobile phase, acetonitrile-0.1% formic acid (85:15); detection wavelength, 520 nm; ion source, electrospray ion source; scanning mode, positive ion scanning; scanning range, 100-700 m/z; cone voltage, 3.5 kv; drying gas temperature, 350℃; drying gas flow rate,12 L/min. [Results] The thin-layer chromatography spots were clear and separated well. Among the 13 batches of samples, 12 batches were positive for scarlet 808. [Conclusions] The counterfeit cinnabar (elutriation) currently circulating in the market has dyeing problem, with scarlet 808 as the dye. The TLC, HPLC and HPLC-MS methods established in this article can quickly screen and confirm the scarlet 808 in cinnabar (elutriation).
Muon Spin Relaxation and fluctuating magnetism in the pseudogap phase of YBa$_{2}$Cu$_{3}$O$_{y}$
Creators: name: Zhu, Zihao
name: Zhang, Jian
name: Ding, Zhaofeng
name: Tan, Cheng
name: Chen, Changsheng
name: Wu, Qiong
name: Yang, Yanxing
name: Bernal, Oscar O.
name: Ho, Pei-Chun
name: Morris, Gerald D.
name: Koda, Akihiro
name: Hillier, Adrian D.
name: Cottrell, Stephen P.
name: Baker, Peter J.
name: Biswas, Pabitra K.
name: Qian, Jun
name: Yao, Xin
name: MacLaughlin, Douglas E.
name: Shu, Lei
Publisher: name: arXiv
Year: 2020
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We report results of a muon spin relaxation study of slow magnetic fluctuations in the pseudogap phase of underdoped single-crystalline YBa$_{2}$Cu$_{3}$O$_{y}$, $y = 6.77$ and 6.83. The dependence of the dynamic muon spin relaxation rate on applied magnetic field yields the rms magnitude~$B\mathrm{_{loc}^{rms}}$ and correlation time~$τ_c$ of fluctuating local fields at muon sites. The observed relaxation rates do not decrease with decreasing temperature~$T$ below the pseudogap onset at $T^\ast$, as would be expected for a conventional magnetic transition; both $B\mathrm{_{loc}^{rms}}$ and $τ_c$ are roughly constant in the pseudogap phase down to the superconducting transition. Corresponding NMR relaxation rates are estimated to be too small to be observable. Our results put strong constraints on theories of the anomalous pseudogap magnetism in YBa$_{2}$Cu$_{3}$O$_{y}$.
EFFECT OF CAPTIVE SUPPLY ON FARM-TO-WHOLESALE BEEF MARKETING MARGIN
Creators: name: Pendell, Dustin L.
name: Schroeder, Ted C.
name: Pendell, Dustin L.
name: Schroeder, Ted C.
Publisher: name: Unknown
Year: 2003
Subjects: subject: Livestock Production/Industries
subject: Marketing
subject: FOS: Economics and business

description: Debates about captive supplies have been ongoing for more than a decade. This study investigates the effects captive supplies have on the beef farm-to-wholesale marketing margin. A relative price spread (RPS) model is used to estimate beef farm-to-wholesale marketing margins. Estimates indicate that forward contracts and marketing agreements have a small positive relationship with margins that is marginally significant. Packer fed cattle may or may not be related to margins to depending upon model specification.
Strategy for Human-oriented Living Street Based on the Needs of the Elderly: Taking Dieshan Road as an Example
Creators: name: ZHANG Heng
name: LI Zhi
name: ZHANG Heng
name: LI Zhi
Publisher: name: Unknown
Year: 2020
Subjects: subject: Agribusiness
subject: Aging, Living street, Human-oriented concept, Dieshan Road

description: With the continuous progress of urbanization, motor traffic has occupied the streets of contemporary China, and people's demand for street space has been ignored. The disappearance of street life and the rapid development of cars have caused various problems including congestion, exhaust, noise, accidents, environmental degradation and so on. People-oriented living streets are gradually away from people's life, the street walking environment is getting worse and worse, and the street space does not pay enough attention to the needs of pedestrians, especially the elderly. At present, China has entered an aging society, and paying attention to the needs of the elderly is an inevitable problem in urban construction and development. This study starts with the analysis of the walking needs of the elderly and the street characteristics suitable for the needs of the elderly, and takes the street space of Dieshan Road in Nanchang City as the research area. And the relevant strategies are put forward to improve the living street space environment, so that the elderly can go back to the street space.
A Translog Cost Function Analysis of U.S. Agriculture: 1948-1999
Creators: name: Ball, V. Eldon
name: Nehring, Richard F.
name: Moss, Charles B.
name: Erickson, Kenneth W.
name: Ball, V. Eldon
name: Nehring, Richard F.
name: Moss, Charles B.
name: Erickson, Kenneth W.
Publisher: name: Unknown
Year: 2003
Subjects: Research Methods/ Statistical Methods

description: This study examines the implications of the short-run specification of the standard, static translog cost function along with the possible implications of non-stationarity by estimating a dynamic translog cost specification complete with dynamic share equations for the U.S. using an empirical approach developed by Urga and Walters (2003). We compare the results of the static, long-run model with those of a dynamic, short-run error-correction model in terms of 1) significance of the parameter estimates, and 2) consistency with economic theory.
Geographical Indication of Unique Production Technology of Bahu Lotus Root
Creators: name: YANG  Huaen
name: LIU Yangang
name: LIU Shiliang
name: SHEN Zhaotang
name: WANG Jing
name: ZUO Hui
name: LI Chuanguang
name: YU Xiugang
name: LIU Deyou
name: YANG  Huaen
name: LIU Yangang
name: LIU Shiliang
name: SHEN Zhaotang
name: WANG Jing
name: ZUO Hui
name: LI Chuanguang
name: YU Xiugang
name: LIU Deyou
Publisher: name: Unknown
Year: 2020
Subjects: subject: Agribusiness
subject: Bahu lotus root, Geographical indication, Production technology, Linyi City, Shandong Province

description: Bahu lotus root is a specialty of Hedong District, Linyi City, Shandong Province. It was recognized as a national product of geographical indication in 2011. This article describes the specific production area, unique production environment, rich cultural history and unique quality of Bahu lotus root, and summarizes its unique production from four aspects: selection of origin, selection of variety, production management and timely harvest, aiming to maintain the brand of Bahu lotus root to the greatest extent and further enhance the brand value and influence.
Cultivation and Primary Processing of Medicinal Chrysanthemums
Creators: name: GAO Huashan
name: SONG Mengke
name: WANG Guanhua
name: MO Yulin
name: XU Yuyuan
name: TONG Weishuang
name: GAO Huashan
name: SONG Mengke
name: WANG Guanhua
name: MO Yulin
name: XU Yuyuan
name: TONG Weishuang
Publisher: name: Unknown
Year: 2020
Subjects: subject: Agribusiness
subject: Chrysanthemum, Medicinal use, Characteristics, Cultivation management, Processing technology

description: The morphological characteristics and growth habits of medicinal chrysanthemums are described, the cultivation techniques are summarized from the aspects of nursery, transplanting and field management, and the harvest and primary processing technology are introduced in detail.
DID THE VOLUNTARY PRICE REPORTING SYSTEM FAIL TO PROVIDE PRICE TRANSPARENCY IN THE CASH MARKET FOR DRESSED STEERS: EVIDENCE FROM SOUTH DAKOTA
Creators: name: Fausti, Scott W.
name: Diersen, Matthew A.
name: Fausti, Scott W.
name: Diersen, Matthew A.
Publisher: name: Unknown
Year: 2003
Subjects: subject: Livestock Production/Industries
subject: Marketing
subject: FOS: Economics and business

description: The information value of the former USDA voluntary price reporting system is investigated for dressed weight slaughter steers. The ability of the former system to promote market transparency and price discovery in the cash market is evaluated with state level mandatory price reporting data collected from September 1999 to April 2001. The empirical framework evaluates the informational value of public price reports according to the criteria established in the market integration literature. The empirical results indicate that in the cash market for dressed weight steers, in South Dakota and Nebraska the former voluntary price reporting system did foster market transparency and aided in the price discovery process.
Contents of Main Nutrients in Leaves of ‘Jianyang Juyou’
Creators: name: HUANG Yanfei
name: CHEN Guifen
name: HUANG Yuyi
name: XIONG  Liumei
name: LIU Bin
name: HUANG Yanfei
name: CHEN Guifen
name: HUANG Yuyi
name: XIONG  Liumei
name: LIU Bin
Publisher: name: Unknown
Year: 2020
Subjects: subject: Agribusiness
subject: Jianyang Juyou, Leaf, Macronutrient, Trace element

description: [Objectives] This study aimed to understand and master the nutritional characteristics of ‘Jianyang Juyou’ growing in southern Guangxi, with a view to providing a theoretical basis for the rational fertilization of local orchards. [Methods] The leaves of 3-year-old ‘Jianyang Juyou’ were sampled according to the phenological characteristics, and the dynamics in the contents of macronutrients and main trace elements N, P, K, Ca, Mg, Fe, Zn and B in the leaves were analyzed. [Results] The average contents of N, P and K in the leaves of ‘Jianyang Juyou’ were in the order as N > K > P. Among them, the content of N reached the highest during the flowering period and then decreased; K maintained a high content around the fruit enlargement period; the Ca content of leaves is significantly greater than that of Mg, and the peak value of Ca content appeared during the flowering and color change periods; the Mg content increased from the germination stage to the late fruit enlargement stage, while decreased in the color change stage; the average contents of main trace elements in the leaves ranked as Fe > B > Zn; the Fe content gradually increased from the germination stage to the physiological fruit drop stage, and slowly decreased after the fruit enlargement; the Zn content peaked in the physiological fruit drop period and fruit maturity period; and the B content of the leaves was 81.6-87.2 mg/kg during the flowering period, the early period of fruit enlargement, the late period of fruit enlargement, and the color change period. [Conclusions] During the phenological period, the leaves of ‘Jianyang Juyou’ had a higher demand for N, and the peak absorption period was mainly concentrated from the germination period to the early period of fruit enlargement; the demand for K was second only to N, and the peak absorption period was concentrated in the early stage of fruit enlargement to the mature stage; and the demand for P was minimal. In the production of ‘Jianyang Juyou’ Mg played an important role in promoting budding and blooming, preserving flowers and fruits and promoting fruit enlargement, so attention should be paid to the application of Mg fertilizer before the color change period. During the flowering period, the early period of fruit enlargement, the late period of fruit enlargement, and the color change period, B fertilizer could be appropriately increased by soil application or foliar spraying. Due to the large fluctuation of Zn content in leaves and small mobility of Zn, it could be supplemented quickly by spraying on the leaf surface before the physiological fruit drop period and fruit maturity period.
PRICE-RESPONSIVENESS OF DEMAND FOR IRRIGATION WATER WITHDRAWALS VS. CONSUMPTIVE USE: ESTIMATES AND POLICY IMPLICATIONS
Creators: name: Young, Robert A.
name: Cardon, Grant E.
name: Scheierling, Susanne M.
name: Young, Robert A.
name: Cardon, Grant E.
name: Scheierling, Susanne M.
Publisher: name: Unknown
Year: 2003
Subjects: subject: Resource /Energy Economics and Policy
subject: crop simulation
subject: irrigation
subject: linear programming
subject: water conservation
subject: water-demand elasticities
subject: water policy

description: Of water withdrawn for agricultural crop irrigation, a portion is consumed and the remainder comes back to the hydrologic system as return flows. Previous models of irrigation water demand have mostly focused on the change in withdrawals in response to price changes, even though knowledge of the response of consumptive use is often more significant for river basin planning. This study develops a simulation/mathematical programming model of water demand representing an irrigation company in northeastern Colorado to analyze the effect of hypothetical price increases on both the demand for withdrawals and a derived demand for consumptive use. The results demonstrate that consumptive use demand tends to be significantly less price-responsive than withdrawal demand. Elasticity estimates are shown to be highly dependent on the particular model assumptions.
Cultivation Techniques of Salix carmanica Bornm, a Genuine Herb in Xinjiang
Creators: name:  Nurbolat Aidarhan
name:  GAO Yanhua
name: Abulimiti Yili
name: NING Huixia
name: LIU  Geyu
name: Haji Akber Aisa
name:  Nurbolat Aidarhan
name:  GAO Yanhua
name: Abulimiti Yili
name: NING Huixia
name: LIU  Geyu
name: Haji Akber Aisa
Publisher: name: Unknown
Year: 2020
Subjects: subject: Agribusiness
subject: Salix carmanica Bornm, Xinjiang genuine medicinal material, Utilization value, Cultivation technique

description: Salix carmanica Bornm (Salicaceae) is a tree plant and mainly produced in Hotan and Kashgar of Xinjiang, with the characteristics of drought resistance and super vitality. It is widely used in sand control and desert greening, and is one of the first-selected tree species for sand control, afforestation and ecological environment improvement. S. carmanica Bornm is also one of the genuine medicinal materials in Xinjiang, with pharmacological effects such as clearing away heat, diminishing swelling, promoting secretion of body fluid to quench thirst, reducing adverse effects, stopping vomiting and lowering blood pressure. In order to protect the ecology and tap the authentic medicinal resources in Xinjiang, this article focuses on the utilization value and cultivation techniques of S. carmanica Bornm.
CA-SBA-947: Archaeological site record for CA-SBA-947
Creators: name: Kekich, Jessica
Year: 1972
Subjects: subject: Santa Barbara (County)
valueUri: https://core.tdar.org/browse/geographic-keyword/3486/santa-barbara-county
subject: Vandenberg Air Force Base (VAFB)
valueUri: https://core.tdar.org/browse/geographic-keyword/85469/vandenberg-air-force-base-vafb
subject: Vandenberg Space Force Base (VSFB)
valueUri: https://core.tdar.org/browse/geographic-keyword/85584/vandenberg-space-force-base-vsfb
subject: California (State / Territory)
valueUri: https://core.tdar.org/browse/geographic-keyword/1484/california-state-territory

description: This document is the archaeological site record for CA-SBA-947.
Quasi-Interpolant Operators and the Solution of Fractional Differential Problems
Creators: name: Pellegrino, Enza
name: Pezza, Laura
name: Pitolli, Francesca
Publisher: name: arXiv
Year: 2020
Subjects: subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics

description: Nowadays, fractional differential equations are a well established tool to model phenomena from the real world. Since the analytical solution is rarely available, there is a great effort in constructing efficient numerical methods for their solution. In this paper we are interested in solving boundary value problems having space derivative of fractional order. To this end, we present a collocation method in which the solution of the fractional problem is approximated by a spline quasi-interpolant operator. This allows us to construct the numerical solution in an easy way. We show through some numerical tests that the proposed method is efficient and accurate.
description: Proceedings of Approximation Theory XVI, Nashville TN, 2019
X-ray Afterglows from the Gamma-Ray Burst "Large(r)-Angle" Emission
Creators: name: Panaitescu, A.
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We derive basic analytical results for the timing and decay of the GRB-counterpart and delayed-afterglow light-curves for a brief emission episode from a relativistic surface endowed with angular structure, consisting of a uniform Core of size theta_c (Lorentz factor Gamma_c and surface emissivity i_nu are angle-independent) and an axially-symmetric power-law Envelope (Gamma ~ theta^{-g}). In this Large-Angle Emission (LAE) model, radiation produced during the prompt emission phase (GRB) at angles theta > theta_c arrives at observer well after the burst (delayed emission). The dynamical time-range of the very fast-decaying GRB "tail" and of the flat afterglow "plateau", and the morphology of GRB counterpart/afterglow, are all determined by two parameters: the Core's parameter Gamma_c*theta_c and the Envelope's Lorentz factor index g, leading to three types of light-curves that display three post-GRB phases (type 1: tail, plateau/slow-decay, post-plateau/normal-decay), two post-GRB phases (type 2: tail and fast-decay), or just one (type 3: normal decay). We show how X-ray light-curve features can be used to determine Core and Envelope dynamical and spectral parameters. Testing of the LAE model is done using the Swift/XRT X-ray emission of two afterglows of type 1 (060607A, 061121), one of type 2 (061110A), and one of type 3 (061007). We find that the X-ray afterglows with plateaus require an Envelope Lorentz factor Gamma ~ theta^{-2} and a comoving-frame emissivity i_nu ~ theta^2, thus, for a typical afterglow spectrum F_nu ~ nu^{-1}, the lab-frame energy release is uniform over the emitting surface.
description: 16 pages, to appear in the ApJ
Fast Generation and Detection of Spatial Modes of Light using an Acousto-Optic Modulator
Creators: name: Braverman, Boris
name: Skerjanc, Alexander
name: Sullivan, Nicholas
name: Boyd, Robert W.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Optics (physics.optics)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Spatial modes of light provide a high-dimensional space that can be used to encode both classical and quantum information. Current approaches for dynamically generating and measuring these modes are slow, due to the need to reconfigure a high-resolution phase mask such as a spatial light modulator or digital micromirror device. The process of updating the spatial mode of light can be greatly accelerated by multiplexing a set of static phase masks with a fast, image-preserving optical switch, such as an acousto-optic modulator (AOM). We experimentally realize this approach, using a double-pass AOM to generate one of five orbital angular momentum states with a switching rate of up to 500 kHz. We then apply this system to perform fast quantum state tomography of spatial modes of light in a 2-dimensional Hilbert space, by projecting the unknown state onto six spatial modes comprising three mutually unbiased bases. We are able to reconstruct arbitrary states in under 1 ms with an average fidelity of 96.9%.
description: 11 pages, 6 figures
Nutrition Bowl “Double Covering” Cutting Propagation Technique for Llex cornuta var. fortunei S.Y.Hu
Creators: name: YIN Xiaojiao
name: LI Xing
name: LI Xuyou
name: YIN Xiaojiao
name: LI Xing
name: LI Xuyou
Publisher: name: Unknown
Year: 2020
Subjects: subject: Agribusiness
subject: Llex cornuta var. fortunei S.Y.Hu, Nutrition bowl, Double covering cutting, Propagation technique

description: Llex cornuta var. fortunei S.Y.Hu is a good ornamental tree species for viewing fruits and leaves, and has a wide range of garden uses. Nutrition bowl cutting seedlings can improve the survival rate of L. cornuta var. fortunei S.Y.Hu transplanting and greening, and has the advantages of no time limit for planting and saving management costs. Based on this, this paper introduced the container seedling double-covering cutting technology for L. cornuta var. fortunei, to provide a reference for the propagation of L. cornuta var. fortunei.
Sectoral Growth in Chile: 1962-82
Creators: name: Coeymans, Juan Eduardo
name: Mundlak, Yair
name: Coeymans, Juan Eduardo
name: Mundlak, Yair
Publisher: name: Unknown
Year: 1993
Subjects: subject: International Development
subject: Chile
subject: Economic conditions
subject: Econometric models
subject: Agriculture
subject: Economic aspects
subject: 1918

description: To understand the time path of agricultural development, the cause for the variability in sectoral outputs must be examined as part of the general process of economic growth. Such as examination is the focus of this report by Juan Eduardo Coeymans and Yair Mundiak, which appears at a time when there is a great deal of interest in the ability to sustain agricultural as well as general economic growth. This research extends beyond previous studies of agricultural growth at IFPRI by Mudlak and his associates by looking at the economy as consisting of five sectors that vary in their degree of tradablilty as well as in other attributes that caused differential response to the rapidly changing economic conditions in Chile from 1960 on. The study uses an input-output table to structure the flow of intermediate products between agriculture and the other sectors of the economy and shows how developments outside agriculture affect agricultural ability to complete for resources and to change is productivity. One of the many foundings of the study is that it was only when a stable macroenviroment was achieved that agriculture, and the economy at large, started ti grow. IFPRI has pursued the study of the effects of macro and trade policies on agriculture: Trade and Macroeconomic Policies in Developing Countries, a book published jointly with the International Center for Economic Growth, contains eight country studies and the regional survey undertaken by IFPRI researchers and their collaborators.
Beyond universal behavior in the one-dimensional chain with random nearest neighbor hopping
Creators: name: Krishna, Akshay
name: Bhatt, R. N.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We study the one-dimensional nearest neighbor tight binding model of electrons with independently distributed random hopping and no on-site potential (i.e. off-diagonal disorder with particle-hole symmetry, leading to sub-lattice symmetry, for each realization). For non-singular distributions of the hopping, it is known that the model exhibits a universal, singular behavior of the density of states $ρ(E) \sim 1/|E \ln^3|E||$ and of the localization length $ξ(E) \sim |\ln|E||$, near the band center $E = 0$. (This singular behavior is also applicable to random XY and Heisenberg spin chains; it was first obtained by Dyson for a specific random harmonic oscillator chain). Simultaneously, the state at $E = 0$ shows a universal, sub-exponential decay at large distances $\sim \exp [ -\sqrt{r/r_0} ]$. In this study, we consider singular, but normalizable, distributions of hopping, whose behavior at small $t$ is of the form $\sim 1/ [t \ln^{λ+1}(1/t) ]$, characterized by a single, continuously tunable parameter $λ> 0$. We find, using a combination of analytic and numerical methods, that while the universal result applies for $λ> 2$, it no longer holds in the interval $0 < λ< 2$. In particular, we find that the form of the density of states singularity is enhanced (relative to the Dyson result) in a continuous manner depending on the non-universal parameter $λ$; simultaneously, the localization length shows a less divergent form at low energies, and ceases to diverge below $λ= 1$. For $λ< 2$, the fall-off of the $E = 0$ state at large distances also deviates from the universal result, and is of the form $\sim \exp [-(r/r_0)^{1/λ}]$, which decays faster than an exponential for $λ< 1$.
description: 14 pages, 7 figures
Research Progress on Diagnosis and Treatment of Bovine Mastitis
Creators: name: YAO Jia
name: PENG Dacai
name: CHENG Zhengmei
name: YAO Jia
name: PENG Dacai
name: CHENG Zhengmei
Publisher: name: Unknown
Year: 2020
Subjects: subject: Agribusiness
subject: Bovine mastitis, Etiology, Diagnosis, Prevention and treatment

description: Bovine mastitis is a common disease of dairy cows, which is the main reason for the economic loss of dairy industry. This paper reviews the types, etiology, diagnosis, prevention and treatment of bovine mastitis, in order to provide some reference basis for the prevention and treatment of bovine mastitis.
Homological algebra for Schwartz algebras of reductive p-adic groups
Creators: name: Meyer, Ralf
Publisher: name: arXiv
Year: 2005
Subjects: subject: Representation Theory (math.RT)
subject: FOS: Mathematics
subject: 20G05, 18E30

description: Let G be a reductive group over a non-Archimedean local field. Then the canonical functor from the derived category of smooth tempered representations of G to the derived category of all smooth representations of G is fully faithful. Here we consider representations on bornological vector spaces. As a consequence, if V and W are two tempered irreducible representations and if V or W is square-integrable, then Ext_G^n(V,W) vanishes for all n>0. We use this to prove in full generality a formula for the formal dimension of square-integrable representations due to Schneider and Stuhler.
description: 34 pages, version 2 contains, in addition, a discussion about formal dimensions from the point of view of Schwartz algebras and von Neumann algebras
Influence of cultivar and post-harvest storage on the quality of vacuum microwave-dried potato chips
Creators: name: Lefort, James Francis
Publisher: name: University of British Columbia
Year: 2009

description: As a healthy alternative to traditional oil-fried potato chips, microwaving potato slices under vacuum simulates puffing by deep-frying without the presence of oil. The main objective in this study was to determine how potato cultivar and post-harvest storage affected the quality of vacuum microwave-dried (VMD) potato chips, and to identify cultivars suitable for VMD chip processing. Potato tubers from eighteen cultivars, harvested in 1998, were stored for (1) six months at 12°C; and (2) ten months at 4°C with reconditioning at 12°C for 2 weeks prior to VMD chip processing. VMD chip quality, in terms of texture (sensory and instrumental methods) and colour was evaluated. Observations of tuber specific gravity and moisture content were taken immediately prior to VMD chip processing. In 1999-2000, tubers from six commercially important cultivars (Kennebec, Shepody, Russet Burbank, Norland, Warba, and White Rose) were stored at 4°C for 5 to 10 months followed by reconditioning at 12°C for 2 weeks prior to VMD chip processing. Monthly observations of VMD chip texture, tuber specific gravity and moisture, starch, amylose, reducing sugar and soluble carbohydrate contents were taken. Potato slices were dehydrated using three methods (air drying, freeze drying, and vacuum microwave drying) and the structural characteristics examined by scanning electron microscopy. VMD chips were rehydrated (at 100°C and 25°C) and their moisture absorption rates determined. Specific gravity and starch content highly correlated with VMD chip sensory crispiness and instrumental peak force values. Cultivars with low dry matter content (Norland, Warba, and White Rose) produce chips that required less force for fracturing, compared to cultivars high in dry matter content (Kennebec, Shepody, and Russet Burbank). Tuber physiology appeared in part to influence VMD chip puffing. Cultivars with low dry matter content produced chips with greater tissue porosity and/or expansion. From rehydration experiments, the rapid moisture absorption in cultivars with low dry matter content suggested a less dense chip tissue structure. Changes in tuber specific gravity and moisture content during storage affected VMD chip quality. Tuber specific gravity, starch and moisture contents, and VMD chip peak force values did not significantly change over time when tubers were stored from 5 to 10 months at 4°C with reconditioning at 12°C for 2 weeks. However, tuber reducing sugar content did significantly increase during this storage treatment. Neither cultivar nor storage was found to significantly affect VMD chip Hunter L values. Cultivars Norland, Warba, and White Rose (which are unsuitable for oil-fried chip production due to high sugar content) may be well suited for VMD chip production. From these cultivars, VMD chips of consistent quality were produced from tubers stored for up to 10 months.
Genetic variation of the intelectin gene family implicated in inflammatory disease and mesothelioma
Creators: name: Almalki, Faisal K.
Publisher: name: University of Leicester
Year: 2020
Subjects: Uncategorized

description: The human intelectin protein 1 (hItln1), coded by the ITLN1 gene, is expressed in the intestine. It recognizes and binds with multiple glycans that found solely on bacteria. A genome wide association study (GWAS) identified SNP, rs2274910, found in the ITLN1 gene that contributes to the risk of having Crohn’s disease (CD). However, the variant functionally responsible for this association with CD has not yet been identified.Several copy number variants (CNV) overlapping ITLN1 have already been identified. However, a putative duplication and a deletion were not validated, suggesting these were false positive calls. Another deletion was confirmed to be an in-frame deletion found in the African population. However, it is rare, and it does not explain the GWAS signal found in Europeans.The C57BL/6, the reference mouse genome, has a single Itln gene, yet the 129S7 strain has 6 Itln genes. Thus, any variation within the Itln locus were not able to be identified (except Itln1). To investigate the variation of these Itln genes, we realigned Illumina short read sequence reads from several inbred mouse strains and wild-caught mice to the BAC contig spanning the highly repetitive Itln locus generated from a single 129S7 strain mouse. Using sequence read depth, a deletion in the C57BL/6 strains was confirmed and several distinct deletions were identified. Analysis of sequence variation also suggested polymorphic variants introducing early stop codons in particular Itln genes.Several studies demonstrated the ITLN1 gene shows the highest expression level in mesothelioma tissue samples, compared to normal tissues and it could therefore be a potential tumour biomarker for mesothelioma. To validate this, an expression analysis of ITLN1 was carried out on several mesothelioma tissues and correlated with clinical parameters in a small patient cohort. A significant relationship between the expression level of ITLN1 and the survival time after surgery was revealed.
Sequence Variation Of Copy Number Variable Regions In The Human Genome
Creators: name: Pala, Hasret Ozturk
Publisher: name: University of Leicester
Year: 2020
Subjects: Uncategorized

description: Accurate genotyping of sequence variation in repeated and copy number variable regions of genomes remains challenging, because of the problems inherent in mapping short sequence reads to a reference genome. A computational pipeline was designed to attempt to resolve the short-read mapping ambiguity for duplicated DNA regions mapping short-reads to reference sequence comprising of a single copy of a region repeated in the reference genome. The RHCE/RHD, the beta-defensin and the low-affinity FC gamma receptor repeat regions were chosen as initial analyses. The reliability of mapping to a reduced reference was assessed by comparing sequence read depth and known copy number across a subset of samples from the 1000 Genomes Project and a three-generation pedigree from Illumina’s Platinum Genomes Project.The accuracy of variant calling was analysed by comparing variant calls at the inhibitory low-affinity Fc gamma receptor gene FCGR2B with 1000 Genomes variant calls and the variant calls generated by paralogue-specific long PCR and Ion Torrent sequencing.Both the reduced reference read approach and the 1000 genomes variant calls did not call all variants found by the Ion Torrent sequencing variant calls, with the 1000 Genomes variant calls significantly underestimating and mis-genotyping samples. Several variants in FCGR2B were found to be in strong LD with variants previously associated with complex traits by genome wide association studies (GWAS). However, these GWAS variants were in weak linkage disequilibrium with a gene conversion variant upstream of FCGR2B.Given that a coding variant of FCGR2B (rs1050501) has been previously associated with protection against severe malaria and susceptibility to systemic lupus erythematosus, the variation data was interrogated for signature of selection across global populations, and the genetic diversity of this locus revealed high haplotype diversity with 52 haplotypes. However, the population genetic statistics showed no evidence of natural selection at FCGR2B.
"Waiting for Godot" or Riding the Orient Express? Trade Negotiations and the Global Audience
Creators: name: Kerr, William A.
name: Kerr, William A.
Publisher: name: Unknown
Year: 2008
Subjects: subject: International Development
subject: International Relations/Trade
subject: Doha Round
subject: pace of negotiations
subject: stakeholders
subject: WTO

description: Interest in the Doha Round appears to be waning among those who should be its major stakeholders. While the negotiations are still interesting to trade policy professionals, the apparently endless negotiations and increasingly trivial nature of any progress that is announced – at least from the perspective of the business community and others in civil society with an interest in trade policy – may be detrimental to the future effectiveness of the WTO. While officials and trade policy professionals continue to suggest that it is business as usual at the negotiations, stakeholders are increasingly dissatisfied with this explanation. Those actively engaged in the process need to step back from the minutiae of the negotiations and consider the broader ramifications of the drawn-out negotiating process for the long-term effectiveness of multilateral trade institutions.