cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Bootstrap Simulation Study on Cooperation between Agricultural Insurance and Agricultural Credit
Creators: name: WANG Zhiwei
name: WANG Zhiwei
Publisher: name: Unknown
Year: 2017
Subjects: subject: Agribusiness
subject: Agricultural insurance, Agricultural credit, Bootstrap impulse response

description: The economic compensation function of agricultural insurance can reduce the credit default risk of farmers. Therefore, the cooperative development of agricultural insurance and agricultural credit is an inevitable trend for the development of rural financial services. In this paper, the annual time series data of agricultural insurance and agricultural credit in 1994-2013 were used to carry out bootstrap simulation based Granger causality test and make the impulse response analysis. Results indicate that based on the Granger causality test of the whole samples (1994-2013), there is no Granger causality relationship between agricultural insurance and agricultural credit; based on the test of sub-samples (2002-2013), there is a two-way Granger causality relationship between agricultural insurance and agricultural credit, the rapid development of agricultural insurance brings about structural changes in agricultural credit; agricultural credit has a positive effect on agricultural insurance, and agricultural insurance has a greater effect on agricultural credit. Finally, it came up with policy recommendations for the cooperative development of agricultural insurance and agricultural credit.
Additional file 1 of Impaired lung function and mortality in Eastern Europe: results from multi-centre cohort study
Creators: name: Court, Tatyana
name: Capkova, Nadezda
name: Pająk, Andrzej
name: Malyutina, Sofia
name: Simonova, Galina
name: Tamosiunas, Abdonas
name: Bobák, Martin
name: Pikhart, Hynek
Publisher: name: figshare
Year: 2025
Subjects: Medicine
Biotechnology
Cancer
Science Policy

description: Additional file 1: Table S1. Characteristics of the study sample by degree of lung function impairment based on (NHANES) III equations (n=24 993). Table S2. Characteristics of the study sample by degree of lung function impairment based on Z-score (n=24 993). Table S3. Survival data by country. Table S4. Association between degree of lung function impairment and all-cause mortality by type of FVC predicted. Table S5. Association between degree of lung function impairment (FEV1% predicted) and all-cause mortality by country (follow-up restricted to 10 years). Figure S1. Kaplan–Meier survival curves by groups of lung function impairment.
Field-induced thermal metal-to-insulator transition in underdoped LSCO
Creators: name: Hawthorn, D. G.
name: Hill, R. W.
name: Ronning, F.
name: Sutherland, Mike
name: Boaknin, Etienne
name: Tanatar, M. A.
name: Paglione, Johnpierre
name: Wakimoto, S.
name: Zhang, H.
name: Taillefer, Louis
Publisher: name: arXiv
Year: 2003
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The transport of heat and charge in cuprates was measured in undoped and heavily-underdoped single crystal La_{2-x}Sr_xCuO_{4+delta} (LSCO). In underdoped LSCO, the thermal conductivity is found to decrease with increasing magnetic field in the T --> 0 limit, in striking contrast to the increase observed in all superconductors, including cuprates at higher doping. The suppression of superconductivity with magnetic field shows that a novel thermal metal-to-insulator transition occurs upon going from the superconducting state to the field-induced normal state.
description: 2 pages, 2 figures, submitted to M2S-Rio 2003 Proceedings
A Study of the Industrial Development in Huazhong Agricultural High-tech Industrial Development Zone
Creators: name: ZHANG Yougang
name: SHAO Shuhui
name: ZHANG Yougang
name: SHAO Shuhui
Publisher: name: Unknown
Year: 2017
Subjects: subject: Agribusiness
subject: Huazhong Agricultural High-tech Industrial Development Zone, Industrial development, Recommendations

description: This paper illustrates the current situation and problems concerning the industrial structure in Huazhong Agricultural High-tech Industrial Development Zone, and analyzes the internal contradictions that exist in industry: small-scale land operation has become an inherent obstacle to the industrial development in Agricultural High-tech Zone; farmers are always in a passive position in industrial restructuring optimization; government's policy failures and rent-seeking behaviors have hindered industrial development; the research, popularization and application of agricultural science and technology is not suited to industrial development requirements. Finally, this paper makes the corresponding recommendations for industrial development in Huazhong Agricultural High-tech Industrial Development Zone.
Time dependent propagator for an-harmonic oscillator with quartic term in potential
Creators: name: Boháčik, J.
name: Prešnajder, P.
name: Augustín, P.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Mathematical Physics (math-ph)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences
subject: 8140

description: In this work, we present the analytical approach to the evaluation of the conditional measure Wiener path integral. We consider the time-dependent model parameters. We find the differential equation for the variable, determining the behavior of the harmonic as well the an-harmonic parts of the oscillator. We present the an-harmonic part of the result in the form of the operator function.
description: 40 pages, revised argument in Appendix F, results unchanged
Ultrafast charge transfer and vibronic coupling in a laser-excited hybrid inorganic/organic interface
Creators: name: Jacobs, Matheus
name: Krumland, Jannis
name: Valencia, Ana M.
name: Wang, Haiyuan
name: Rossi, Mariana
name: Cocchi, Caterina
Publisher: name: arXiv
Year: 2020
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Hybrid interfaces formed by inorganic semiconductors and organic molecules are intriguing materials for opto-electronics. Interfacial charge transfer is primarily responsible for their peculiar electronic structure and optical response. Hence, it is essential to gain insight into this fundamental process also beyond the static picture. Ab initio methods based on real-time time-dependent density-functional theory coupled to the Ehrenfest molecular dynamics scheme are ideally suited for this problem. We investigate a laser-excited hybrid inorganic/organic interface formed by the electron acceptor molecule 2,3,5,6-tetrafluoro-7,7,8,8-tetracyano-quinodimethane (F4TCNQ) physisorbed on a hydrogenated silicon cluster, and we discuss the fundamental mechanisms of charge transfer in the ultrashort time window following the impulsive excitation. The considered interface is $p$-doped and exhibits charge transfer in the ground state. When it is excited by a resonant laser pulse, the charge transfer across the interface is additionally increased, but contrary to previous observations in all-organic donor/acceptor complexes, it is not further promoted by vibronic coupling. In the considered time window of 100~fs, the molecular vibrations are coupled to the electron dynamics and enhance intramolecular charge transfer. Our results highlight the complexity of the physics involved and demonstrate the ability of the adopted formalism to achieve a comprehensive understanding of ultrafast charge transfer in hybrid materials.
Revisiting the Possible 4f7 5d1 Ground State of Gd Impurities in SmB6 by Electron Spin Resonance
Creators: name: Souza, J. C.
name: Rosa, P. F. S.
name: Burkhardt, U.
name: Konig, M.
name: Fisk, Z.
name: Pagliuso, P. G.
name: Wirth, S.
name: Sichelschmidt, J.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The search for topological states in strongly correlated electron systems has renewed the interest in the Kondo insulator SmB6. One of the most intriguing previous results was an anomalous electron spin resonance spectrum in Gd-doped SmB6. This spectrum was attributed to Gd2+ ions because it could be very well decribed by a model considering a change in the valence from Gd3+ to Gd2+, a dynamic Jahn-Teller effect and a 4f7 5d1 ground state in the Hamiltonian. In our work, we have revisited this scenario using electron spin resonance and energy dispersive X-ray spectroscopy measurements. Our results suggest that the resonance is produced by Gd2+ ions; however the resonance stems from an extrinsic oxide impurity phase that lies on the surface of the crystal.
description: Accepted in JPS Conference Proceedings
title: The Performance of Identities in an International NGO in Child Welfare in China
Creators: name: Taylor, Emily Jayne
Publisher: name: The Open University
Year: 2011

description: This thesis is an investigation of the performance of identities in the social interactions that constitute an international non-governmental organisation (INGO). It examines how those involved in this kind of international-development activity shape what kinds of actors they are through the identity work that is entwined with representations of the organisation and what it is doing. The thesis is based on data generated over four and a half months with an INGO working in the field of child welfare in China. Data was captured in fieldnotes, interview transcripts, organisational documents and other media such as a television programme and a promotional DVD. It is an ethnographic study that draws on discourse analysis and narrative analysis. The study addresses the implications of how the problem the organisation seeks to address and the way it is addressing that problem are constructed, and of how relationships with others are depicted. The thesis argues that analysis of identity work at the micro level, which acknowledges the context driven and variable ways in which actors make sense of the organisation and its work, offers valuable insights into how the social practices that form an INGO unfold. This research adds to understandings of being an actor in international development, specifically in the field of child welfare in China. It identifies various tensions that have implications for policy and practice.
Election Procedure for Rural Two Committees
Creators: name: ZENG Lin
name: SU Wenbin
name: ZHANG Chaozhong
name: LU Shunsheng
name: SONG Yunfei
name: YANG Guotian
name: LIAO Mingshan
name: SAI Zhenzhao
name: LIU Yan
name: ZENG Lin
name: SU Wenbin
name: ZHANG Chaozhong
name: LU Shunsheng
name: SONG Yunfei
name: YANG Guotian
name: LIAO Mingshan
name: SAI Zhenzhao
name: LIU Yan
Publisher: name: Unknown
Year: 2017
Subjects: subject: Agribusiness
subject: Rural two committees, Election procedure, Villager committee

description: In order to further strengthen the construction and improvement of villager autonomy system with democratic election, democratic decision making, democratic management, and democratic supervision of rural two committees with Chinese characteristics, experience of work team of Longyang District Agricultural Technology Extension Station dispatched to villager committees (or offices) and their guidance on election of rural two committees in 2007-2016 were used, and exploration was made for election of rural two committees from the third to the sixth committees. It summarized achievements and main problems in election of rural two committees and came up with pertinent recommendations. The results of this study are expected to provide certain reference for theory and practice of future villager autonomy.
Additional file 1 of Differential efficacy of olfactory neurospheres from deviated nasal septum and chronic rhinosinusitis patients in regenerating olfactory epithelium
Creators: name: Jiang, Rong-San
name: Lee, Chiang-Wen
name: Lin, Yu-Hsuan
name: Wang, Jing-Jie
name: Liao, Jia-Bin
name: Peng, Kuo-Ti
name: chiang, Yao-Chang
name: Chi, Pei-Ling
Publisher: name: figshare
Year: 2025
Subjects: subject: Space Science
subject: Medicine
subject: Cell Biology
subject: Molecular Biology
subject: Neuroscience
subject: Biotechnology
subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Cancer

description: Additional file 1.
Horizontal gene transfer as a mechanism of adaptation to an extreme subterranean environment by the nematode Halicephalobus mephisto
Creators: name: Allen, Sarah Elizabeth
Publisher: name: ProQuest
Year: 2023
Subjects: classificationCode: 31
subject: Biological sciences
subject: FOS: Biological sciences

description: Genetic signatures associated with adaptation to extreme conditions are of interest for understanding the limits of life on earth and in the search for extraterrestrial life, but animals (as opposed to bacteria or archaea) are relatively rare in extreme habitats. We have performed sequencing, protein prediction, and genomic analysis on a unique extremophile metazoan, Halicephalobus mephisto. H. mephisto is a nematode isolated from a borehole nearly a mile beneath the earth’s surface. There it experiences heat, low levels of oxygen, and extreme darkness, among other extreme features. Here we present data supporting an unusual evolutionary signature in its genome consistent with adaptation to an extreme environment.Specifically, a sixteen-nematode comparative analysis revealed an expanded repertoire of 70 kilodalton heat-shock protein (Hsp70) in H. mephisto, which contains 110 detected Hsp70 gene paralogs as compared to just 16 in C. elegans. In addition to a large number of Hsp70 proteins, we found evidence for several of these Hsp70 proteins being derived from bacterial sources, some of which are also extremophiles. Furthermore, we identified a 6-phosphogluconolactanse as being derived from bacterial sources as well. These data are consistent with horizontal gene transfer as a mechanism of animal adaptation of H. mephisto to the deep, hot terrestrial subsurface.
Darboux transformations of the Jaynes-Cummings Hamiltonian
Creators: name: Samsonov, Boris F
name: Negro, Javier
Publisher: name: arXiv
Year: 2004
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: A detailed analysis of matrix Darboux transformations under the condition that the derivative of the superpotential be self-adjoint is given. As a onsequence, a class of the symmetries associated to Schrödinger matrix Hamiltonians is characterized. The applications are oriented towards the Jaynes-Cummings eigenvalue problem, so that exactly solvable $2\times 2$ matrix Hamiltonians of the Jaynes-Cummings type are obtained. It is also established that the Jaynes-Cummings Hamiltonian is a quadratic function of a Dirac-type Hamiltonian.
description: 15 pages
Japan's Modern Agriculture and Its Effects on Agricultural Development of Anhui Province
Creators: name: YAO Li
name: YAO Li
Publisher: name: Unknown
Year: 2017
Subjects: subject: Agribusiness
subject: Japan, Modern agriculture, Anhui, Recommendations

description: This paper elaborated the current situations of Japan’s modern agriculture, from fine agriculture, mechanized agriculture to intelligent agriculture. According to the experience of Japan, it came up with recommendations for the development of agriculture, including cultivating new professional farmers, further strengthening construction of rural cooperative economic organizations, enhancing agricultural technology extension and technology application, and energetically promoting standardized, branding, and characteristic local agricultural production.
EKOLOGIK TOZA QISHLOQ XO'JALIGI VA UNING AFZALLIKLARI
Creators: name: Joldasbayev, Salamat
Publisher: name: Zenodo
Year: 2024

description: Ekologik toza qishloq xo'jaligi - bu hosildorlikni saqlab qolish yoki yaxshilash bilan birga dehqonchilikning atrof-muhitga ta'sirini kamaytirishga qaratilgan yondashuv. Ushbu maqolada ekologik toza qishloq xo'jaligining asosiy usullari, jumladan, organik dehqonchilik, agroo'rmon xo'jaligi, qishloq xo'jaligini muhofaza qilish va iqlimga mos qishloq xo'jaligi ko'rib chiqiladi va ularning ekologik va iqtisodiy foydalari ta'kidlanadi. Organik dehqonchilik kimyoviy ifloslanishni kamaytiradi va tabiiy manbalardan foydalanish orqali biologik xilma-xillikni rivojlantiradi. Agroforestry tuproq salomatligini yaxshilaydi, uglerodni ajratadi va fermerlarga qo'shimcha daromad keltiradi. Qishloq xo'jaligini muhofaza qilish suvni ushlab turishni, tuproq unumdorligini yaxshilaydi va tuproq buzilishlarini kamaytiradi, iqlimdan oqilona qishloq xo'jaligi esa iqlim o'zgarishiga chidamliligini oshiradi. Ekologik toza qishloq xo‘jaligi amaliyotini qabul qilish issiqxona gazlari chiqindilarini kamaytirish, tuproq salomatligini yaxshilash va oziq-ovqat xavfsizligiga hissa qo‘shishi ko‘rsatilgan. Aniq imtiyozlarga qaramay, yuqori boshlang'ich xarajatlar va texnik bilimlarga bo'lgan ehtiyoj kabi muammolar saqlanib qolmoqda. Ekologik toza qishloq xo'jaligini kengroq joriy etish va barqaror qishloq xo'jaligi tizimlarini rag'batlantirish uchun siyosatni qo'llab-quvvatlash va moliyaviy rag'batlantirish muhim ahamiyatga ega.
Studies on the Simultaneous Determination of Cr(III) and Cr(VI) by Ion Chromatography (IC)
Creators: name: LIU Guangmin
name: LIU Xin
name: GAO Feng
name: SUN Na
name: HU Liping
name: WANG Yaqin
name: HE Hongju
name: LIU Guangmin
name: LIU Xin
name: GAO Feng
name: SUN Na
name: HU Liping
name: WANG Yaqin
name: HE Hongju
Publisher: name: Unknown
Year: 2017
Subjects: subject: Agribusiness
subject: Pumpkin, Cr, Speciation analysis, Ion chromatography

description: The research aimed to develop and validate an ion chromatography method for the simultaneous analysis of Cr(III) and Cr(VI) from pumpkin. A new analytical method based on ion chromatography techniques was developed by the Cr(III) pre-column derivatization and Cr(VI) post-column derivatization. The ion chromatography condition was optimized and the detection sensitivity was improved. Cr(III) and Cr(VI) were determined by 365 and 530 nm, respectively. The temperature of water bath, the heating time for pre-column derivatization, and the flow rate of post-column derivative liquid were screened on the basis of single factor experiment, the effects of various factors were determined by the method of L16(43) orthogonal experiment design. Considering the results of orthogonal experiments and the variation tendency of peak area under different factors, the optimum derivatization conditions were chose as follows: the flow rate of post-column derivative liquid is 0.5 mL/min, the temperature of water bath for pre-column derivatization is 100 ℃ and the heating time is 5 min. The conditions were optimized by means of orthogonal experiments under the pH of leacheate ranged from 6.5 to 6.8 and the I– concentration of 5 mmol/L. Under optimized derivatization conditions, the detection limits for Cr(III) and Cr(VI) were 0.17 and 0.019 mg, respectively. And the average recoveries of Cr(III) in pumpkin were in the range of 82%-85%. Results indicated that pumpkin does not contain Cr(VI) according to this ion chromatography method of simultaneously determination for Cr(III) and Cr(VI).
Supplemental Material for Ma et al., 2021
Creators: name: Ma, Jun-Yu
name: Feng, Xie
name: Xie, Feng-Yun
name: Li, Sen
name: Lei-Ning Chen
name: Luo, Shi-Ming
name: Yin, Shen
name: Ou, Xiang-Hong
Publisher: name: GSA Journals
Year: 2021
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Figure S1. Oocytes used in this study. NSN, NSN-SN, and SN stage oocytes were used in this study. Peri-antral follicular and antral follicular NSN and NSN-SN oocytes are the growing oocytes in which transcription is active and chromatin is decondensed or less condensed. Antral follicular SN oocytes are the fully-grown oocytes in which transcription is inactive and chromatin is condensed. Figure S2. Cytoplasmic EdU signals locate at the mitochondria in mouse oocytes. Mitochondria are marked by mitofilin. EdU (purple), mitofilin (green) and DNA (blue). Bar = 20 μm. File S1. EdU signals in the oocytes recovered for 24 h after DSB inducement by 1 μM Bleomycin. EdU (green), γH2A.X (red) and DNA (blue). Bar = 10 μm.
An Empirical Study of Farmers’ Perception and Behavior on Farmland Abandonment in Yunnan Province
Creators: name: YANG Liyong
name: YANG Liyong
Publisher: name: Unknown
Year: 2017
Subjects: subject: Agribusiness
subject: Farmland abandonment, Farmers, Perception, Behavior, PRA

description: In this study, using the PRA method, we conduct a questionnaire survey on 525 farmers in 10 typical villages in Yunnan Province, and study the farmers' farmland abandonment behavior as well as their perception. Studies have shown that there are some common problems for the villages in the inner suburbs and the villages in the outer suburbs such as small scale of rural land, dispersed plots and land fragmentation, and the scale and fragmentation problems are more prominent in the villages in the inner suburbs while the dispersed plot problems are more obvious in the villages in the outer suburbs; the levels of farmland abandonment vary in different sample villages, the farmland abandonment is more prevalent in the villages in the outer suburbs, the abandonment behavior involves more farmers, and farmers tend to abandon small plots of farmland; the proportion of the abandoned farmland perceived by the farmers in the villages in the inner and outer suburbs (especially in the inner suburbs) is significantly lower than the actual proportion, and farmers' perception greatly deviates from the actual reality; some farmers have wrong perception of farmland abandonment behavior, and even if there are farmers with correct perception, they also abandon farmland.
Photo-Chemical Evolution of Elliptical Galaxies I. The high-redshift formation scenario
Creators: name: Pipino, Antonio
name: Matteucci, Francesca
Publisher: name: arXiv
Year: 2003
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: In this paper we compute new multi-zone photo-chemical evolution models for elliptical galaxies, taking into account detailed nucleosynthetic yields, feedback from supernovae and an initial infall episode. By comparing model predictions with observations, we derive a picture of galaxy formation in which the higher is the mass of the galaxy, the shorter are the infall and the star formation timescales. Therefore, in this scenario, the most massive objects are older than the less massive ones, in the sense that larger galaxies stop forming stars at earlier times. Each galaxy is created outside-in, i.e. the outermost regions accrete gas, form stars and develop a galactic wind very quickly, compared to the central core in which the star formation can last up to ~1.3 Gyr. In particular, we suggest that both the duration of the star formation and the infall timescale decrease with galactic radius. (abridged) By means of our model, we are able to match the observed mass-metallicity and color-magnitude relations for the center of the galaxies as well as to reproduce the overabundance of Mg relative to Fe, observed in the nuclei of bright ellipticals, and its increase with galactic mass. Furthermore, we find that the observed Ca underabundance relative to Mg can be real, due to the non-neglibile contribution of type Ia SN to the production of this element. We predict metallicity and color gradients inside the galaxies which are in good agreement with the mean value of the observed ones. (abridged)
description: 19 pages, 14 figures, MNRAS accepted
Optimal Design of Earth Landscape Colors Based on Beautiful Countryside
Creators: name: HUANG Wei
name: LIN Hui
name: HUANG Wei
name: LIN Hui
Publisher: name: Unknown
Year: 2017
Subjects: subject: Agribusiness
subject: Beautiful countryside, Earth landscape, Color optimization

description: Through the analysis on the earth landscape colors in the beautiful countryside, this paper stated that the color is the most sensitive element when people touch the countryside. The quality of landscape color directly influences the people's mood when appreciating the beautiful countryside. Taking respecting natural environment, extending the historical context, and conforming to aesthetic taste as the precondition, this paper made optimal design of earth landscape colors in beautiful countryside using the hue unifying method, color contrast method, and color rhyme balancing method.
Time-domain study of the young massive cluster Westerlund 2 with the Hubble Space Telescope. I
Creators: name: Sabbi, E.
name: Gennaro, M.
name: Anderson, J.
name: Bajaj, V.
name: Bastian, N.
name: Gallagher, J. S.
name: III
name: Gieles, M.
name: Lennon, D. J.
name: Nota, A.
name: Sahu, K. C.
name: Zeidler, P.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Time-domain studies of pre-main sequence stars have long been used to investigate star properties during their early evolutionary phases and to trace the evolution of circumstellar environments. Historically these studies have been confined to the nearest, low-density, star forming regions. We used the Wide Field Camera 3 on board of the Hubble Space Telescope to extend, for the first time, the study of pre-main sequence variability to one of the few young massive clusters in the Milky Way, Westerlund 2. Our analysis reveals that at least 1/3 of the intermediate and low-mass pre-main sequence stars in Westerlund 2 are variable. Based on the characteristics of their light curves, we classified ~11% of the variable stars as weak-line T-Tauri candidates, ~ 52% as classical T-Tauri candidates, ~ 5% as dippers and ~26% as bursters. In addition, we found that 2% of the stars below 6Mo (~6% of the variables) are eclipsing binaries, with orbital periods shorter than 80 days. The spatial distribution of the different populations of variable pre-main sequence stars suggests that stellar feedback and UV-radiation from massive stars play an important role on the evolution of circumstellar and planetary disks.
description: 19 pages, 15 figures, accepted for publication on ApJ
Chandra Observation of V426 Oph: Weighing the Evidence for a Magnetic White Dwarf
Creators: name: Homer, Lee
name: Szkody, Paula
name: Raymond, John C.
name: Fried, Robert E.
name: Hoard, D. W.
name: Hawley, S. L.
name: Wolfe, M. A.
name: Tramposch, J. N.
name: Yirak, K. T.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We report the results of a 45 ks Chandra observation of the cataclysmic variable V426 Ophiuchus. The high resolution spectrum from the high-energy transmission grating spectrometer is most consistent with a cooling flow model, placing V426 Oph among the group of CVs including U Gem and EX Hya. An uninterrupted lightcurve was also constructed, in which we detect a significant 4.2 hr modulation together with its first harmonic at 2.1 hrs. Reanalysis of archival Ginga, and ROSAT X-ray lightcurves also reveals modulations at periods consistent with 4.2 and/or 2.1 hrs. Furthermore, optical photometry in V, simultaneous with the Chandra observation, indicates a modulation anti-correlated with the X-ray, and later more extensive R band photometry finds a signal at ~2.1 hrs. The earlier reported X-ray periods at ~0.5 and 1 hrs appear to be only transient and quasi-periodic in nature. In contrast, the 4.2 hr period or its harmonic are stable and persistent in X-ray/optical data from 1988 to 2003. This periodicity is clearly distinct from the 6.85 hr orbit, and could be due to the spin of the white dwarf. If this is the case, V426 Oph would be the first long period intermediate polar with a ratio P_spin/P_orb of 0.6. However, this interpretation requires unreasonable values of magnetic field strength and mass accretion rate.
description: 11 pages, 7 figures, 5 tables. Accepted for publication in the Astrophysical Journal (to appear August 2004)
Why the observed jet quenching at RHIC is due to parton energy loss
Creators: name: Wang, Xin-Nian
Publisher: name: arXiv
Year: 2003
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Significant jet quenching in central $Au+Au$ collisions has been discovered at RHIC. This paper provides theoretical arguments and lists experimental evidence that the observed jet quenching at RHIC is due to parton energy loss instead of hadron rescattering or absorption in a hadronic medium. These include: (1) hadron formation time based on the uncertainty principle, (2) $p_T$ dependence and (3) centrality dependence of the observed jet quenching, (4) jet-like leading hadron correlations (5) high-$p_T$ azimuthal anisotropy and (6) experimental data from $Pb+Pb$ collisions at SPS and $e+A$ collisions. Direct measurements of the parton energy loss in the direction of a triggered high-$p_T$ hadron and the medium modified fragmentation function on the back-side are proposed to further verify the partonic nature of the observed jet quenching. The importance of jet quenching studies at lower energies at RHIC is also discussed.
description: 8 pages in RevTEX with 7 figures, a comment and reference are added in the second version
Formation Mechanism of Poor Settlements in Lanzhou City
Creators: name: ZHANG Xinhong
name: XIE Zhengguan
name: ZHANG Xinhong
name: XIE Zhengguan
Publisher: name: Unknown
Year: 2017
Subjects: subject: Agribusiness
subject: Urban poverty, Poor settlements, Formation mechanism, Lanzhou City

description: Clarifying the formation mechanism of poor settlements is the “pathological” basis for urban regeneration and poverty governance. On the basis of scientific determination of 155 poor settlements in Lanzhou City, this paper classified their type and analyzed the characteristics of their quantity distribution and density distribution. From the perspective of spatial and social interaction, and combined the internal factors and external factors, this paper put forwards the formation mechanism of poor settlements, namely, superposition of unit society collapse and physical environment degradation, interaction between differentiation of residents’ income and reform of housing institution, interweaving between urban discontinuous planning and jumping construction, coupling between passive urbanization and active urbanization, and derivation of lagged economic development and unique regional culture.
Effect of RGO/ZnxCd1?xS crystalline phase on solar photoactivation processes
Creators: name: Moradlou, Omran
Publisher: name: figshare
Year: 2020
Subjects: subject: 30604 Electrochemistry
subject: FOS: Chemical sciences

description: A series of reduced graphene oxide/ZnxCd1?xS (RGO/ZnxCd1?xS) nanocomposites (0 < x < 1) with differentratios of Zn/Cd were synthesized via a facile hydrothermal route under optimized experimental conditionsand were carefully characterized by various techniques. Because very little is known about the morphology,specific surface area, and crystal phase effects of RGO/ZnxCd1?xS crystals on their photoresponsivity, fieldemissionscanning electron microscopy (FE-SEM), BET surface area analysis and X-ray diffraction (XRD) datawere studied to investigate their effects on photoactivity. Based on the results, a crystal phase transitionfrom a cubic phase in RGO/Zn0.9Cd0.1S to a hexagonal wurtzite phase in RGO/Zn0.8Cd0.2Snanocomposites occurs and the crystalline phase is the main factor influencing the photoresponsivity ofRGO/ZnxCd1?xS nanocomposites in photodegradation and photoelectrochemical (PEC) processes undervisible light irradiation. According to the results, the RGO/Zn0.8Cd0.2S nanocomposite with the hexagonalcrystal phase revealed better photocatalytic activity (k ¼ 9.4 ? 10?3 min?1) and PEC response (?2.0 mAcm?2) in comparison with the cubic crystal phase
Darboux transformations of coherent states of the time-dependent singular oscillator
Creators: name: Samsonov, Boris F.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Darboux transformation of both Barut-Girardello and Perelomov coherent states for the time-dependent singular oscillator is studied. In both cases the measure that realizes the resolution of the identity operator in terms of coherent states is found and corresponding holomorphic representation is constructed. For the particular case of a free particle moving with a fixed value of the angular momentum equal to two it is shown that Barut-Giriardello coherent states are more localized at the initial time moment while the Perelomov coherent states are more stable with respect to time evolution. It is also illustrated that Darboux transformation may keep unchanged this different time behavior.
description: 13 pages
Additional file 3 of Differential efficacy of olfactory neurospheres from deviated nasal septum and chronic rhinosinusitis patients in regenerating olfactory epithelium
Creators: name: Jiang, Rong-San
name: Lee, Chiang-Wen
name: Lin, Yu-Hsuan
name: Wang, Jing-Jie
name: Liao, Jia-Bin
name: Peng, Kuo-Ti
name: chiang, Yao-Chang
name: Chi, Pei-Ling
Publisher: name: figshare
Year: 2025
Subjects: subject: Space Science
subject: Medicine
subject: Cell Biology
subject: Molecular Biology
subject: Neuroscience
subject: Biotechnology
subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Cancer

description: Additional file 3.
Horizontal gene transfer as a mechanism of adaptation to an extreme subterranean environment by the nematode Halicephalobus mephisto
Creators: name: Allen, Sarah Elizabeth
Publisher: name: American University
Year: 2023

description: Genetic signatures associated with adaptation to extreme conditions are of interest for understanding the limits of life on earth and in the search for extraterrestrial life, but animals (as opposed to bacteria or archaea) are relatively rare in extreme habitats. We have performed sequencing, protein prediction, and genomic analysis on a unique extremophile metazoan, Halicephalobus mephisto. H. mephisto is a nematode isolated from a borehole nearly a mile beneath the earth’s surface. There it experiences heat, low levels of oxygen, and extreme darkness, among other extreme features. Here we present data supporting an unusual evolutionary signature in its genome consistent with adaptation to an extreme environment.Specifically, a sixteen-nematode comparative analysis revealed an expanded repertoire of 70 kilodalton heat-shock protein (Hsp70) in H. mephisto, which contains 110 detected Hsp70 gene paralogs as compared to just 16 in C. elegans. In addition to a large number of Hsp70 proteins, we found evidence for several of these Hsp70 proteins being derived from bacterial sources, some of which are also extremophiles. Furthermore, we identified a 6-phosphogluconolactanse as being derived from bacterial sources as well. These data are consistent with horizontal gene transfer as a mechanism of animal adaptation of H. mephisto to the deep, hot terrestrial subsurface.
The Influencing Factors of Soil Organic Carbon Density in Lanlingxi Watershed in Three Gorges Reservoir Area
Creators: name: TIAN Yaowu
name: TIAN Yaowu
Publisher: name: Unknown
Year: 2017
Subjects: subject: Agribusiness
subject: Three Gorges Reservoir Area, Soil organic carbon density, Influencing factors

description: To reveal the influencing factors of soil organic carbon (SOC) density in 0-30 cm soil layer of Lanlingxi watershed in Three Gorges Reservoir Area, build the regression equation for soil organic carbon density and adjust carbon sink strategy in this region, soil samples of top soil profile (0-30 cm) in five land use types were selected by the typical method. The SOC density of top soil profile (0-30 cm) and other environmental factors, such as elevation, slope and aspect and soil properties in five land use types, including grassland, scrubland, woodland, land for tea plantation and farmland in the watershed was investigated. The relationship of SOC density with physical properties of soil was also examined. The SOC density of the above five land use types averaged 7.55, 3.83, 6.04, 10.24, 2.83 kg﹒m-2, respectively. There was a significant difference in the SOC density (p<0.01); SOC density was significantly positively correlated with organic matter content (R=0.942, p<0.01), clay mass percentage (R=0.898, p<0.01), total nitrogen (R= 0.863, p<0.01), elevation (R=0.599, p<0.01); SOC density was significantly negatively correlated with sand content (R= -0.932, p<0.01) and slope (R=-0.407, p<0.05); and the correlation between SOC density and soil pH, total phosphorus or total potassium was not obvious. Multiple correlation coefficient R=0.986 (R>0.8, highly correlated) between SOC density and environmental factors was greater than the correlation coefficient between any one independent variable and dependent variable, which fully proved the combined effect of environmental factors on SOC density.
Additional file 4 of Differential efficacy of olfactory neurospheres from deviated nasal septum and chronic rhinosinusitis patients in regenerating olfactory epithelium
Creators: name: Jiang, Rong-San
name: Lee, Chiang-Wen
name: Lin, Yu-Hsuan
name: Wang, Jing-Jie
name: Liao, Jia-Bin
name: Peng, Kuo-Ti
name: chiang, Yao-Chang
name: Chi, Pei-Ling
Publisher: name: figshare
Year: 2025
Subjects: subject: Space Science
subject: Medicine
subject: Cell Biology
subject: Molecular Biology
subject: Neuroscience
subject: Biotechnology
subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Cancer

description: Additional file 4.
Right hemisphere occipital rTMS impairs working memory in visualizers but not in verbalizers
Creators: name: Hilbert, Sven
name: McAssey, Michaela
name: Bühner, Markus
name: Schwaferts, Patrick
name: Gruber, Monika
name: Goerigk, Stephan
name: Taylor, Paul Christopher John
Publisher: name: Universität Regensburg
Year: 2019
Subjects: subject: 150 Psychologie

description: Distinguishing between verbal and visual working memory processes is complicated by the fact that the strategy used is hard to control or even assess. Many stimuli used in working memory tasks can be processed via verbal or visual coding, such as the digits in the digit span backwards task (DSB). The present study used repetitive transcranial magnetic stimulation (rTMS) to examine the use of visual processing strategies in the DSB. A total of 47 German university students took part in the study, 23 spontaneously using a verbal processing strategy and 24 using a visual strategy. After rTMS to the right occipital cortex, visualizers showed a significantly stronger mean performance decrease compared to verbalizers. The results indicate that the visual cortex is more critical for visualizers compared to verbalizers in the DSB task. Furthermore, the favored processing modality seems to be determined by the preference for a cognitive strategy rather than the presentation modality, and people are aware of the applied strategy. These findings provide insight into inter-individual differences in working memory processing and yield important implications for laboratory studies as well as clinical practice: the stimulus does not necessarily determine the processing and the participant can be aware of that.
The Enlightenment on Urban Ecological Construction by Research Progress of Sponge City in China Based on Literature Analysis
Creators: name: HUA Jinzhu
name: CHEN Zebin
name: WANG Haotian
name: ZHENG Zhiwei
name: HU Jingxiang
name: YAO Liyuan
name: LIU Jiani
name: ZHANG Yuyu
name: YIN Lifang
name: CHEN Chunxu
name: HUA Jinzhu
name: CHEN Zebin
name: WANG Haotian
name: ZHENG Zhiwei
name: HU Jingxiang
name: YAO Liyuan
name: LIU Jiani
name: ZHANG Yuyu
name: YIN Lifang
name: CHEN Chunxu
Publisher: name: Unknown
Year: 2017
Subjects: subject: Agribusiness
subject: Literature analysis, Sponge city, Retrieval tool, Bibliometrics, Ecological construction

description: To quantitatively analyze main figure, field, agency and level of sponge city research in China, and clear research focus and hot spot in each year, by using the Full Text Database of Chinese Sci-tech Periodicals and other retrieval tools, the statistics and analysis of 3152 research literatures on sponge city published in domestic academic journals of 2004-2016 are conducted based on bibliometrics. It is found that since the concept of “sponge city” was firstly proposed in 2012, development research of sponge city involves 40 subject fields and is mainly published in 32 kinds of journals, which is dominated by natural science research (1427 literatures). Researchers are mainly from each college and university, some design institutes and Chinese Academy of Sciences. The research could play certain guidance significance for further research and construction of ecological city construction in China.
A hydrogenic molecular atmosphere of a neutron star
Creators: name: Turbiner, A. V.
name: Vieyra, J. C. Lopez
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: A model of a hydrogenic content of atmosphere of the isolated neutron star 1E1207.4-5209 is proposed. It is based on the assumption that the main component in the atmosphere is the exotic molecular ion $H_3^{2+}$ and that there exists a magnetic field in the range of $(4 \pm 2) \times 10^{14}$ G. Photoionization $H_3^{2+} \rar e + 3p$ and photodissociation $H_3^{2+} \rar H + 2p$ correspond to two absorption features at 0.7 KeV and 1.4 KeV, respectively, discovered by {\it Chandra} observatory (Sanwal et al, 2002). The model predicts one more absorption feature at 80-150 eV corresponding to photodissociation $H_3^{2+} \rar H_2^+ + p$.
description: 8 pages, 1 figure
Acceleration of Core Post-quantum Cryptography Primitive on Open-Source Silicon Platform Through Hardware/Software Co-design.
Creators: name: Urquhart, Emma
name: Stajano, Frank
Publisher: name: Springer
Year: 2024

description: Post-Quantum Cryptography (PQC) algorithms are currently being standardised and their early implementations are not as efficient as the well-established public key cryptography (PKC) algorithms that have benefited from decades of optimisations. % We report on our efforts to accelerate the Number Theoretic Transform (NTT), the most computationally expensive primitive in the Kyber (ML-KEM) and Dilithium (ML-DSA) PQC algorithms selected by NIST for standardisation. Our target platform is the OpenTitan Big Number Accelerator (OTBN), part of the first open-source silicon root-of-trust chip. % We implemented the Kyber NTT in OTBN assembly, using only the existing instructions, and identified its bottlenecks. We then restructured the code to exploit parallelism and defined additional assembly instructions for the open-source co-processor that would enable execution of our vectorised implementation. % Our hardware/software co-design approach yielded a significant performance improvement: NTT ran 21.1 times faster than the baseline implementation which used only OTBN's existing instructions. Our approach fully leverages the potential for parallelism and maximally exploits the existing capabilities of OTBN. Some of our optimisations are fairly general and might be successfully applied to other contexts, including accelerating other algorithms on other platforms.
Synthesis of the Tetragonal Phase of Zintl’s NaTl and Its Structure Determination from Powder Diffraction Data
Creators: name: Tiefenthaler, Susanne
name: Korber, Nikolaus
name: Gärtner, Stefanie
Publisher: name: Universität Regensburg
Year: 2019
Subjects: subject: Zintl phase; NaTl; ammonia; X-ray powder diffraction
subject: 540 Chemie

description: A tetragonal distortion of the long-time known NaTl structure at 298 K was observed in different experimental setups, including Zintl’s original procedure of reducing Tl(I)-iodide by sodium liquid ammonia solutions. The powder diffraction pattern obtained by the high temperature synthesis using classical solid-state techniques allowed a model-independent unambiguous structure solution and refinement of tetragonal distorted NaTl (Rp = 0.0179, wRp = 0.0246, R = 0.0477, wR = 0.0527, GooF = 1.24).
Pathwise asymptotics for Volterra processes conditioned to a noisy version of the Brownian motion
Creators: name: Pacchiarotti, Barbara
Publisher: name: arXiv
Year: 2020
Subjects: subject: Probability (math.PR)
subject: FOS: Mathematics

description: In this paper we investigate a problem of large deviations for continuous Volterra processes under the influence of model disturbances. More precisely, we study the behavior, in the near future after $T$, of a Volterra process driven by a Brownian motion in a case where the Brownian motion is not directly observable, but only a noisy version is observed or some linear functionals of the noisy version are observed. Some examples are discussed in both cases.
description: Published at https://doi.org/10.15559/20-VMSTA149 in the Modern Stochastics: Theory and Applications (https://vmsta.org/) by VTeX (http://www.vtex.lt/)
THE RISK AND PROTECTIVE FACTORS ASSOCIATED WITH BULLYING VICTIMIZATION AMONG WASHINGTON, D.C. MIDDLE AND HIGH SCHOOL STUDENTS: AN ANALYSIS OF THE 2012 YOUTH RISK BEHAVIOR SURVEY (YRBS)
Creators: name: Hawthorne, David J.
Publisher: name: American University
Year: 2023

description: Bullying is a serious problem in the United States. The individual and community characteristics that protect against bullying are of interest in bullying prevention research. This study analyzed secondary data from the 2012 Youth Risk Behavior Survey (YRBS) administered in Washington, DC, to determine the relationship between bullying victimization and select sociodemographic, social, and environmental variables. The analysis included chi-square analysis, and logistic regression to examine the association of gender, race, grade, body mass index (BMI), academic achievement, sexual orientation, sports activity, gang membership, school support, and suicidal ideation with bullying victimization. Overall, 34 percent and 15 percent of middle school and high school students respectively were bullied (either in school or cyber) in the 12 months before the survey. Results also showed that being bullied in the past 12 months was significantly more common among females than males, in earlier school grades, among students who identify as lesbian, gay, bisexual or unsure compared to heterosexual males. Bullied students were also more likely to report having an adult in school to go to if they had a problem and had higher grades compared to students with lower grades. White students were more likely to report being bullied than other races, but the difference in race was only significant for high school students. Bullying victimization was also significantly associated with student reports of suicidal ideation, highlighting the burden that bullying is placing on students within the District.