Miracle-dz/UniFAR-FTUs huggingface dataset:
The Influencing Effect of Tourism Economy on Green Development Efficiency in the Yangtze River Delta

In the context of ecological priority and green development strategy, accelerating the upgrading of tourism structure and promoting the development of ecotourism is an important guarantee to achieve green and low-carbon economic growth and high-quality development. On the basis of constructing comprehensive evaluation indicators of tourism development (TD) and green development efficiency (GDE), this study analyzed the impulse response relationship between TD and GDE and the impact effect of TD on GDE in the Yangtze River Delta region from 2000–2018. Findings showed that: (1) During the study period, TD generally exhibited a W-shaped fluctuating upward trend and GDE showed a staggered evolution of upward and downward fluctuations, while both regional gaps of TD and GDE continued to decrease. (2) Most cities had made a leap from low to medium, high, and higher levels of tourism development, with tourism development levels decreasing along the Yangtze River basin to the north and south of the delta. The overall green development efficiency was relatively low, showing a spatial pattern of high value in the southern delta and low value in the northwest delta. (3) There was a one-way Granger causality of TD on GDE, and the impact of TD on GDE showed a significant positive cumulative effect. (4) TD exhibited a significant inverted U-shaped impact on GDE. The economic development level and government intervention had a significant positive impact on GDE. The proportion of secondary industry, energy consumption intensity, and foreign direct investment had a significant negative driving effect on GDE. While the impact of environmental regulation on GDE was insignificant positive. This study has great practical significance to alleviate the problems of urban resources and environment, and to realize a green economy and high-quality life.
Quasar Lensing Caused by Clusters of Galaxies in Various Cosmological Models

About 33% of the observed lensed quasars have separation angles larger than 3". To theoretically reproduce this observational fact, we investigate the statistics of quasar lensing due to clusters of galaxies, in various cosmological models including a super-horizon- scale inhomogeneous model. By calculating the expected number of lensed quasars and comparing it with the observed number in the Hubble Space Telescope snapshot survey, it is found that a reasonable number of lensed quasars with such large separation angles can be obtained in the cosmological-constant-dominant low-density models and the super-horizonscale inhomogeneous models with a low-density inner region. Prom the standpoint of lens statistics due to clusters of galaxies, it is concluded that these cosmological models are better, in contrast to the previous results in the galactic lens models.
Acousto‐optic control and modulation of optical coherence by electronically synthesized holographic gratings

We introduce a new technique to modify the coherence properties and the far‐field intensity distributions of optical fields. Use is made of a combination of Bragg diffraction and Raman–Nath diffraction in an acousto‐optic deflector. The high‐frequency Bragg grating in the deflector is phase modulated by a synthetic low‐frequency Raman–Nath regime grating that has a structure of an optimized phase‐only computer‐generated hologram. We demonstrate, e.g., electronic control of the state of spatial coherence of light, Gaussian to flat‐top conversion, and the generation of arrays of equally intense but mutually incoherent light spots.
The near center of an orthomodular lattice

The results described herein were obtained in connection with the development of some lattice theoretic machinery needed by Randall and Foulis in their treatment of the so-called “logic of empirical science” (See [3] for an introduction to this subject). The final product, however, turned out to be of sufficient interest to warrant its independent presentation.
Best approximation in certain Douglas algebras

Theorem B implies Theorem A. The author of [14] asked whether in Theorem B, H' + C can be replaced by other subalgebras. Also, D. Sarason [15, p. 113] and the authors of [3, p. 609] asked whether in Theorem A, H ' + C can be replaced by an arbitrary Douglas algebra. In this paper, we prove a theorem (Theorem 3.1) which answers the question raised in [14], and its Corollary 3.2 gives a partial solution to the question raised in [3] and [15]. Theorem 4.1 is related to the general LX distance problem.
A Novel Method for Instance Level Schema Matching

nformation integration refers to the problem of merging, coalescing and transforming autonomous heterogeneous data sources into a single global homogeneous database and providing a unified view of these data for future query processing purposes. One of the fundamental operations in the integration process is schema matching, which takes two schemas as input and produces a mapping between the attributes of the two schemas that correspond semantically to each other. Matching techniques can be grouped into two broad categories: schema-level matching and instance-level matching. In schema-level matching, we consider only the properties of schema elements, such as names, descriptions, data types, constraints and structures. For each match candidate pair of attributes, the degree of similarity is estimated by a normalized numeric value between 0 and 1. On the other hand, instance-level matching employs information available in the data contents of each table to determine the relationship between any two attributes. In this paper, we propose a statistical model to compare the likeliness of two lists of values under two attributes from separate databases, in order to derive the similarity ratio of the two attributes. Our framework provides efficient procedures to compute the degree ratio using statistical coefficients for both categorical and numeric attributes.
Unsteady Lagally theorem for multipoles and deformable bodies

The Lagally theorem for unsteady flow expresses the forces and moments acting on a rigid body moving in an inviscid and incompressible fluid in terms of the singularities of the analytically continued flow within the body. Previous generalizations of the Lagally theorem, originally given by Lagally (1922) for steady flows, are due to Cummins (1957) and Landweber & Yih (1956), who consider the effect of flow unsteadiness on the forces and moments. In these, the system of image singularities within the body was assumed to consist of isolated or continuous (surface or volume) distributions of sources and doublets. A further extension of Lagally's theorem ie due to Landweber (1967), who derived expressions for the steady forces and moments acting on a rigid body generated by isolated or a continuous distribution of multipoles. The purpose of the present paper is to generalize the Lagally theorem so as to include the effects of multipoles in unsteady flow, and deformability of the body, as well as to present a briefer derivation of the resulting formulae. Two examples, illustrating the application of the force and moment formulae, will be presented.
Quality-of-service enabled scheduling in ethernet-PONs

In this paper we propose a new scheduling mechanism that combines priority scheduling with dynamic bandwidth allocation in EPONs. The multi-point control protocol (MPCP) is adopted to facilitate the cooperation between OLT and ONUs. A delta cycle time algorithm (DCTA) is proposed to get adapted to the burst nature of VBR streaming media traffic. An enhanced GATE generation (EGG) method is discussed to increase the channel utilization. Simulation results show that our method leads to significant decrease of packet delay for streaming media traffic especially under heavy traffic load.
Effects of thermal environment on dairy cattle under a grazing system in the Western Amazon, Brazil

ABSTRACT This study aimed to evaluate the thermal conditions to which animals are exposed and their effect on the comfort/discomfort of dairy herds in a grazing system in the municipality of Sena Madureira, Acre State, Brazil. Eight farms and a total of 113 lactating crossbred cows were evaluated. Dry-bulb temperature (DBT, °C), relative humidity (RH, %), black globe temperature (BGT, °C), and wind speed (v, km h−1) were measured in January, February, and March (rainy season) to calculate temperature-humidity index (THI), black globe-humidity index (GTWBI), and radiant heat load (RHL). Moreover, the animals were measured for the physiological variables: rectal temperature (RT), heart rate (HR), and respiratory rate (RR). Significant differences (P<0.05) were observed for THI, GTWBI, and RHL. THI reached a mean value of 80 on farm G in January. Farm F had a GTWBI value of 79 in February. RHL reached the highest value (510 W m−2). RT and HR showed no differences among the analyzed months. Thus, the environmental conditions in which dairy cows are housed at milking time rarely promoted thermal discomfort, with farm G being the most affected by THI.
A spectroscopic study of damped Lyman-alpha systems in the Las Campanas/Palomar survey

The present intermediate-resolution spectra of nine QSOs contain 15 candidate damped Ly-alpha absorption features which are part of a sample of candidate damped Ly-alpha absorption lines. Ten of the 15 candidates are confirmed to have these features; eight of the ten have neutral hydrogen column density greater than 2 x 10 exp 20/sq cm. A simple curve-of-growth analysis is conducted for seven of the ten confirmed Ly-alpha systems, in order to characterize the kinematics of the absorbing gas; the deduced velocity dispersion, which is too large to be compatible with the simple velocity structure indicated by the 21-cm absorption data, is interpreted as grounds for a two-phase model encompassing a quiescent H I gas and a turbulent gas that dominates the equivalent widths of associated metal lines.
Narrative Themes of Chinese Canadian Intergenerational Trauma: Parental Experiences

ABSTRACT In a series of two papers, the narrative themes of Intergenerational Trauma (IGT) from both the parent and offspring generation in the Chinese diaspora in Canada are examined. This paper focuses on the experiences of parental participants and their perspectives on how trauma transmits to the next generation. Narratives of IGT from three participants were co-constructed using the Collaborative Narrative Method. The narratives were largely situated during pre-migration in China, with most traumatic experiences related to sociopolitical events between the 1950s to 1980s. Themes were developed from the narratives using reflexive thematic analysis. These themes include the following: (a) decimation of social structures; (b) oppression, chaos, and abuse; (c) desperation for survival; (d) personal losses and the denial of education and opportunities; and (e) preservation of values. Themes associated with participant perception of how their traumatic experience transmitted to their offspring, include the following: (a) desire for stability and opportunities; (b) pressure and concern for the future of their offspring; and (c) hope for the future. The study has implications for understanding the linkage between historical events and individual narratives in the Chinese diaspora, as well as the study of IGT among Chinese populations and their narratival understandings.
Measuring small lattice distortions in Si-crystals by phase-contrast x-ray topography

X-ray phase-contrast topography has been improved by using phase modulation and computing techniques to determine lattice distortions inside near-perfect Si monocrystals. The technique presented is based on the detection of the spatially varying phase shift at the output of a monolithic x-ray interferometer of the triple Laue type using phase modulation and a multi-element detector. Information was obtained about the degree of perfection of crystals being used in the determination of the (220) lattice plane spacing of silicon and of the Avogadro constant.
Average frustration and phase transition in large-scale biological networks: a statistical physics approach

Abstract For large-scale biological networks represented as signed graphs, the index of frustration measures how far a network is from a monotone system, i.e., how incoherently the system responds to perturbations. For the set of networks we analyze, we find that the frustration is systematically lower in transcriptional networks (modeled at functional level) than in signaling and metabolic networks (modeled at stoichiometric level). Interpreting this result in terms of energetic cost of an interaction, an erroneous or contradictory transcriptional action costs much more than a signaling/metabolic error, and therefore must be avoided as much as possible. Averaging over all possible perturbations, however, we also find that signaling/metabolic networks tend to undergo a phase transition to order in an energetic regime lower than for transcriptional networks, meaning that they may partially compensate for the higher frustration by lowering the interaction strenght needed to achieve a globally ordered response to perturbations.
Simulation of multivariate extreme values

A comprehensive method for simulation of bivariate extremes is developed. A list of explicit algebraic expressions is given for ready implementation of the methodology. The performance of the methodology is assessed in terms of both its efficiency and the fidelity of the generated numbers to the model that they are assumed to come from. Finally a generalisation of the methodology to multivariate extremes is outlined.
Turning Up the Heat: The Impact of Indoor Temperature on Cognitive Processes and the Validity of Self-Report

Indoor climate interventions are often motivated from a worker comfort and productivity perspective. However, the relationship between indoor climate and human performance remains unclear. We assess the effect of indoor climate factors on human performance, focusing on the impact of indoor temperature on decision processes. Specifically, we expect heat to negatively influence higher cognitive rational processes, forcing people to rely more on intuitive shortcuts. In a laboratory setting, participants (N=257) were exposed to a controlled physical environment with either a hot temperature (28° C) or a neutral temperature (22° C) over a two-hour period, in which a battery of validated tests were conducted. We find that heat exposure did not lead to a difference in decision quality. We did find evidence for a strong gender difference in self-report, such that only men expect that high temperature leads to a significant decline in performance, which does in fact not materialize. These results cast doubt on the validity of self-report as a proxy for performance under different indoor climate conditions.
Magnetic patterning of chemically-ordered CrPt3 films

We report magnetic patterning of ferrimagnetic CrPt3 films by locally suppressing the magnetic order using ion-beam irradiation. Chemically-ordered CrPt3 films grown on MgO(110) single-crystal and amorphous SiNx substrates are ferrimagnetic and exhibit strain-induced uniaxial magnetic anisotropy. X-ray diffraction confirms the formation of the L12 phase and magneto-optical Kerr effect spectroscopy reveals the theoretically expected dependence of Kerr rotation and ellipticity on photon energy. Irradiation of the films with 700 keV N+ ions at doses ≳6×1016 ions/cm2 transforms the chemically-ordered CrPt3 ferrimagnetic alloy into the chemically-disordered nonmagnetic fcc phase. As a result, ordered CrPt3 layers can be patterned into magnetic and nonmagnetic regions and are candidate material for ion-beam-patterned magnetic recording media.
Simulation of unsteady cavitation with a two-equation turbulence model including compressibility effects

Unsteady effects associated with cavitation were investigated by numerical simulations in three configurations. The simplest one was a Venturi-type section in which the cavitation sheet oscillates periodically with vapour cloud shedding. The second one was a hydrofoil whose unsteady cavitating behaviour depends on the angle of attack, and the most complex one was a cascade of three hydrofoils. In this last configuration, in addition to the unsteadiness associated with each cavity, a coupling between the three channels was also observed. These cavitating flows were simulated by 2D computations. Resolution of Reynolds-averaged Navier-Stokes equations was based on a finite-volume discretization associated with a pressure correction algorithm. Cavitation was simulated by using a barotropic vapour/liquid state law that links the fluid density evolution to the pressure variations. As standard k–ϵ RNG or k–ω turbulence models were found to be weakly efficient to simulate unsteady cavitation, influence of the com.
‘It’s a people problem, not a goat problem.’ Mitigating human–mountain goat interactions in a Canadian Provincial Park

ABSTRACT Context. Wildlife viewing is a primary reason people visit parks and protected areas. However, high rates of visitation increase the potential for interactions between humans and wildlife. This close proximity of humans and wildlife can lead to habituation to human presence and pose a threat to both animals and humans. Aims. We describe human–mountain goat interactions in Cathedral Provincial Park (CPP), in British Columbia (BC), Canada, and examine management and mitigation strategies to reduce these interactions. Methods. This project was a collaboration with BC Parks. We used community-based participatory research methodologies, conducting interviews and surveys from July 2020 to November 2021 with park visitors, staff, and researchers. Key results. Most respondents encountered mountain goats in the park and understood the park’s messaging; however, not all respondents took the necessary steps to reduce encounters. We recommend further education efforts focused on formal staff training and improved infrastructure in the park. Conclusions. Our results can be used to inform management decisions related to human–wildlife interactions, primarily in parks and protected areas. On a proximate level, we suggest further educational efforts and improved infrastructure in the park to help overcome perceived lack of action by some participants. Ultimately, there is a need to incorporate human aspects of human–wildlife interactions into management decisions aimed at addressing potential and existing problems. Implications. Using a multitude of approaches to management, informed by biological, social, and cultural knowledge, can improve responses and mitigation strategies in human–wildlife interactions. Collaboration among different stakeholders allows for the exchange of ideas and innovations that can contribute to positive movement towards coexistence of humans and wildlife in parks and recreational areas.
Early Detection of Dendroctonus valens Infestation at Tree Level with a Hyperspectral UAV Image

The invasive pest Dendroctonus valens has spread to northeast China, causing serious economic and ecological losses. Early detection and disposal of infested trees is critical to prevent its outbreaks. This study aimed to evaluate the potential of an unmanned aerial vehicle (UAV)-based hyperspectral image for early detection of D. valens infestation at the individual tree level. We compared the spectral characteristics of Pinus tabuliformis in three states (healthy, infested and dead), and established classification models using three groups of features (reflectance, derivatives and spectral vegetation indices) and two algorithms (random forest and convolutional neural network). The spectral features of dead trees were clearly distinct from those of the other two classes, and all models identified them accurately. The spectral changes of infested trees occurred mainly in the visible region, but it was difficult to distinguish infested from healthy trees using random forest classification models based on reflectance and derivatives. The random forest model using spectral vegetation indices and the convolutional neural network model performed better, with an overall accuracy greater than 80% and a recall rate of infested trees reaching 70%. Our results demonstrated the great potential of hyperspectral imaging and deep learning for the early detection of D. valens infestation. The convolutional neural network proposed in this study can provide a reference for the automatic detection of early D. valens infestation using UAV-based multispectral or hyperspectral images in the future.
Environmental and geographical factors structure cauliflower coral's algal symbioses across the Indo‐Pacific

The symbioses between corals and endosymbiotic dinoflagellates have been described as a flexible relationship whose dynamics could serve as a source of resilience for coral reef ecosystems. However, the factors that drive the establishment and maintenance of this co‐evolutionary relationship remain unclear. We examined the environmental and geographical factors structuring dinoflagellate communities in a wide‐ranging Indo‐Pacific coral to begin to address this gap.
New nematode species and genera (Nematoda: Chromadorea) from cold seeps on Hikurangi Margin, New Zealand

Relatively little is known about the taxonomy and ecology of deep-sea nematode species inhabiting cold seep habitats. The available data show that cold seep nematode communities are typically characterized by low diversity and are often dominated by a single species, although no nematode taxon appears to have a strong association with methane seepage. In July 2019, a research voyage to New Zealand’s Hikurangi Margin provided an opportunity to characterize the nematode species communities of New Zealand cold seeps, which had not been investigated until now. Here, six new species and two new nematode genera of the class Chromadorea are described from macrofauna cores obtained at three seep sites (Mungaroa, Glendhu, and Uruti South) on Hikurangi Margin from 1227 to 2077 m depth. The species described here represent a wide range of feeding groups, ranging from deposit feeders (Linhomoeus pycnocricus sp. nov., Deraionema barbatum gen. et sp. nov.) to microvores (Aulostomonema abyssum gen. et sp. nov., Aegialoalaimus magnus sp. nov.) and epigrowth feeders (Desmodora parapilosa sp. nov.). The diet of Siphonolaimus curtisensillus sp. nov., which is characterized by an unusual stylet-like feeding apparatus, remains to be determined, however the presence of several different feeding modes in the species described here indicates that a range of food sources are exploited by macrofaunal nematodes at the study sites. Desmodora, Linhomoeus, and Aegialoalaimus have been reported from cold seep habitats previously, however no records of Siphonolaimus from cold seeps could be found in the literature. Aulostomonema gen. nov. does not appear to have a close association with seeps, whilst Deraionema gen. nov. appears to be restricted to the centre of the seep sites where methane seepage is likely strongest. Ongoing work on the ecology and distribution of nematode communities at the Hikurangi Margin seep sites will help determine spatial patterns in abundance and species distributions in more detail, including the identification of any species/taxa with affinities with methane seepage.