Miracle-dz/UniFAR-FTUs huggingface dataset:
Saussurea luae (Compositae, Cardueae), a new species of Snow Lotus from China

Abstract Raab-Straube E. von: Saussurea luae (Compositae, Cardueae), a new species of Snow Lotus from China. — Willdenowia 39: 101–106. — Online ISSN 1868-6397; © 2009 BGBM Berlin-Dahlem. doi:10.3372/wi.39. 39112 (available via http://dx.doi.org/) A species of Saussurea from the S. obvallata group is described as new to science and illustrated. It occurs in the central and eastern part of the Qinghai-Tibetan Plateau in western China, in the high alpine zone above 4000 m altitude. First chromosome counts for the species resulted in 2n = 32. All previous Chinese records of S. conica, a distinct taxon so far actually known only from Sikkim and Bhutan, can be attributed to the new species.
Galhas de insetos da Reserva Biológica Estadual da Praia do Sul (Ilha Grande, Angra dos Reis, RJ)

Thirty-six morphotypes of insect galls were recorded for the first time in the Reserva Biologica Estadual da Praia do Sul (Ilha Grande, Angra dos Reis, RJ), being the majority of them comprised of leaf galls (64%). Stem and bud galls were also found (25 and 14%, respectively). Myrtaceae were the plant family with the greatest richness of insect galls. Mikania sp. (Asteraceae) and Guapira opposita (Nyctaginaceae) were the super host plant species. The most important galling group was the Cecidomyiidae (Diptera), responsible for 75% of the gall morphotypes. Hemipteran and Lepidopteran galls were also recorded (11 and 2.8%, respectively).
Deep Learning Driven Non-Orthogonal Precoding for Millimeter Wave Communications

Hybrid beamforming (HB) based millimeter wave (mm-Wave) transmission is a promising technology for providing low latency and high data rate transmission. However, due to the high path loss, the performance of mmWave-based HB is significantly impacted by channel degradation, especially when the number of the available transmission path is less than the transmission streams. Driven by deep learning (DL) based beamforming, we propose a non-orthogonal precoding based HB scheme for the deterioration of channel transmission. Instead of directly applying the neural network as the beamforming function, we present the insight and theoretical analysis of the beamforming strategy in the DL based HB. By studying the beamforming behavior, we designed and formulated deep learning driven hybrid beamforming method. Compared with the existing DL-based hybrid beamforming, the neural network in the proposed method acts as a general neural codebook, which avoids network training even channel changed. In the overloaded channel condition, the proposed deep learning driven non-orthogonal precoding can solve the problem of channel degradation, which improves the robustness for hybrid beamforming. Simulation results show that the proposed method can achieve significant performance improvement over existing ones in overloaded transmission conditions. We also designed and implemented our scheme over the FPGA platform, which shows a much lower hardware cost than other existing schemes.
Interspecific aggression in flat lizards suggests poor species recognition

Abstract Mistaken identity and competitive exclusion are two alternative hypotheses proposed to explain interspecific aggression between males. We examined agonistic behaviour in males of two lizard species: Platysaurus minor and P. monotropis. In each of nine outdoor field enclosures, we maintained a male and a female of both species (i.e., four total) and observed the dominance relationship between the males. Interspecific aggression was intense and P. monotropis was dominant in eight of nine enclosures. Furthermore, P. minor males received significantly more bite marks than P. monotropis males during the course of the experiment. To distinguish among the two hypotheses for interspecific aggression (mistaken identity and competitive exclusion), we presented P. minor males from sympatry and allopatry with model lizards of both taxa and measured aggressive responses. All trials with models were conducted in field enclosures where males were kept alone for the duration of the experiment. The model experiment revealed that compared to P. minor from sympatry, allopatric P. minor males were no less aggressive towards the heterospecific model than the conspecific model, a finding that supports the mistaken identity hypothesis. Finally, in the same experiment, we included a supernormal stimulus (pink Platysaurus model) to test if males were simply responding to a brightly coloured male lizard. Males showed some aggression towards the supernormal model, but significantly less than towards the two models (P. minor and P. monotropis) combined.
Natural densities of mesograzers fail to limit growth of macroalgae or their epiphytes in a temperate algal bed

1 Herbivory is particularly intense in marine environments, with a higher proportion of primary productivity removed than in terrestrial habitats. Experimental manipulation of large herbivores (fish, urchins) has clearly documented their grazing impacts on algal and seagrass beds. Grazing impacts of mesograzers (small invertebrates such as amphipods and isopods) are, however, less understood due to the practical difficulties in manipulating their abundance in field conditions. 2 We developed a novel technique that successfully manipulated the abundance of herbivorous amphipods on macroalgae without the potential artefacts associated with exclusion cages or mesocosms. We then used this technique to test the effects of reduced amphipod grazing over extended periods on the structure of a temperate algal assemblage. We tested grazer effects on growth rates and epiphyte cover of the brown alga Sargassum linearifolium, and on developing assemblages on bare substrates. 3 Large reductions in the abundance of herbivorous amphipods affected neither the growth rates of S. linearifolium, the cover of its epiphytes, nor the structure of algal assemblages. This result contrasts strongly to previous studies in mesocosms documenting strong impacts of mesograzers on community structure, and we discuss differences in the experimental approaches and biology of the systems that could give rise to the observed differences in grazer impacts. 4 Synthesis. Marine macroalgae and seagrasses support very high densities of small herbivores whose ecological role in these habitats is poorly understood. We have provided the first, replicated experiment that directly manipulates their density in situ to quantify grazer impacts without caging artefacts. Our results indicate that strong impacts are not likely with the naturally occurring amphipod densities in the temperate algal bed studied. Further such experimental tests in field conditions are required to understand the properties of grazer and plant communities that can predict grazer impacts.
High resolution structure and sequence of T. aurantiacus Xylanase I: Implications for the evolution of thermostability in family 10 xylanases and enzymes with βα‐barrel architecture

Xylanase I is a thermostable xylanase from the fungus Thermoascus aurantiacus, which belongs to family 10 in the current classification of glycosyl hydrolases. We have determined the three‐dimensional X‐ray structure of this enzyme to near atomic resolution (1.14 Å) by molecular replacement, and thereby corrected the chemically determined sequence previously published. Among the five members of family 10 enzymes for which the structure has been determined, Xylanase I from T. aurantiacus and Xylanase Z from C. thermocellum are from thermophilic organisms. A comparison with the three other available structures of the family 10 xylanases from mesophilic organisms suggests that thermostability is effected mainly by improvement of the hydrophobic packing, favorable interactions of charged side chains with the helix dipoles and introduction of prolines at the N‐terminus of helices. In contrast to other classes of proteins, there is very little evidence for a contribution of salt bridges to thermostability in the family 10 xylanases from thermophiles. Further analysis of the structures of other proteins from thermophiles with eight‐fold βα‐barrel architecture suggests that favorable interactions of charged side chains with the helix dipoles may be a common way in which thermophilic proteins with this fold are stabilized. As this is the most common type of protein architecture, this finding may provide a useful guide for site‐directed mutagenesis aimed to improve the thermostability of βα‐barrel proteins. Proteins 1999;36:295–306. © 1999 Wiley‐Liss, Inc.
The Maturity Measurement of Big Data Adoption in Manufacturing Companies Using the TDWI Maturity Model

Background: Big data technology has been used in several sectors in Indonesia. Adoption of big technology provides great potential for research, especially achievement in the implementation of big data in manufacturing companies. The Data Warehousing Institute (TDWI) Maturity Model is a tool that can be used to measure the state of "As-is" implementation of big data using 5 main dimensions. Maturity level shows the level of organizational ability to adjust big data technology currently.Objective: This study aims to measure the level of maturity in the implementation of big data technology in manufacturing companies PT. XYZ. This measurement is considered very important because it can know the process of managing data that is structured and has a high volume of data and provides more transparent reporting. This can help the company in making decisions that provide good information, so the company can increase the trust of stakeholders.Methods: This study uses qualitative methods to analyze research data using TWDI Maturity Model tools. Interview technique is used to retrieve respondent data where interview preparation guidelines are made by paying attention to 5 dimensions and 50 indicators in TDWI.Results: The research showed that the implementation of big data technology in the company as a whole has reached the level of corporate adoption. Infrastructure, data management, and analytics dimensions have reached the corporate adoption level while the organizational and governance dimensions are still at an early adoption level.Conclusion: To measure the maturity level of adoption of big data technology in manufacturing companies can use qualitative methods with TDWI Maturity model tools, interview guides for data retrieval by considering the 5 dimensions and 50 indicators that exist in TDWI.
Is the Buffer Mechanism Universal in Biological Evolution?

The emergence of new biological traits is landmarks of evolutionary progress. However, when, how, and why do they appear? We propose a universal mechanism, a Buffering Mechanism of Evolution to understand these questions. We speculate that all organisms possess this potential buffer capacity. This capacity would be triggered by the pressures, natural or artificial, to express the intrinsic potential variants. The potential buffer capacity of the organism increases for further selections as evolutionary progress occurs. The higher the evolutionary level of the organism, the greater the potential buffer capacity, and importantly, the buffer capacity versus the pressures of selections will result. However, when the pressures are far more than the potential capacity of the targets, the natural or artificial pressures then compromise the genetic buffering system resulting in possible species extinction if the emergence of new traits fails.
Tympanic Membrane Collagen Expression by Dynamically Cultured Human Mesenchymal Stromal Cell/Star-Branched Poly(ε-Caprolactone) Nonwoven Constructs

The tympanic membrane (TM) primes the sound transmission mechanism due to special fibrous layers mainly of collagens II, III, and IV as a product of TM fibroblasts, while type I is less represented. In this study, human mesenchymal stromal cells (hMSCs) were cultured on star-branched poly(e-caprolactone) (*PCL)-based nonwovens using a TM bioreactor and proper differentiating factors to induce the expression of the TM collagen types. The cell cultures were carried out for one week under static and dynamic conditions. Reverse transcriptase-polymerase chain reaction (RT-PCR) and immunohistochemistry (IHC) were used to assess collagen expression. A Finite Element Model was applied to calculate the stress distribution on the scaffolds under dynamic culture. Nanohydroxyapatite (HA) was used as a filler to change density and tensile strength of *PCL scaffolds. In dynamically cultured *PCL constructs, fibroblast surface marker was overexpressed, and collagen type II was revealed via IHC. Collagen types I, III and IV were also detected. Von Mises stress maps showed that during the bioreactor motion, the maximum stress in *PCL was double that in HA/*PCL scaffolds. By using a *PCL nonwoven scaffold, with suitable physico-mechanical properties, an oscillatory culture, and proper differentiative factors, hMSCs were committed into fibroblast lineage-producing TM-like collagens.
Integron-associated antimicrobial resistance in isolates of members of Enterobacteriaceae causing community-acquired urinary infections

The present study investigated 73 isolates of Enterobacteriaceae obtained from urine samples of outpatients for the presence of integrons and analysed the association between integrons and antimicrobial susceptibility. Resistance to one or two antibiotics belonging to different classes was found in 28 (38.4%) of the isolates, resistance to three or more antimicrobial agents with different mechanism of action, i.e. multidrug resistance in 37 (50.7%), while 8 (10.9%) were fully susceptible. The presence of integrons was shown in 13 (17.8%) of the strains tested: 9 (12.3%) carried a class 1 integron, 2 (2.7%) carried a class 2 integron, and 2 (2.7%) had both class 1 and class 2 integrons. Class 1 integron was clearly predominant, since 11 (84.6%) of 13 integron-positive isolates carried this class. No class 3 integron-positive isolates were detected. The association between the presence of an integron and multidrug resistance was highly significant (p<0.001). Integron-positive isolates were also more likely to be resistant to amoxicillin-clavulanic acid, co-trimoxazole, chloramphenicol, ciprofloxacin, norfloxacin, nalidixic acid, tetracycline and doxycycline. Five strains (45.5%) with class 1 integron were positive for the mercury resistance gene, merA, indicating the role of Tn21 transposon in dissemination of integrons within the samples studied.
Forecasting Inflation with the New Keynesian Phillips Curve: Frequency Matters

We show that the New Keynesian Phillips Curve (NKPC) outperforms standard benchmarks in forecasting U.S. inflation once frequency-domain information is taken into account. We do so by decomposing the time series (of inflation and its predictors) into several frequency bands and forecasting separately each frequency component of inflation. The largest statistically significant forecasting gains are achieved with a model that forecasts the lowest frequency component of inflation (corresponding to cycles longer than 16 years) flexibly using information from all frequency components of the NKPC inflation predictors. Its performance is particularly good in the returning to recovery from the Great Recession.
Holocene dust dynamics: Introduction to the special issue

This article is a brief introduction to the Special Issue on Holocene Dust Dynamics, which brings together recent research on a key aspect of the Earth’s changing climate through its effects on radiative balance, cloud cover and biogeochemical cycles. The aim of the Special Issue is to contribute to a better understanding of the role of dust aerosols by analysing the evolution and climatic impact of atmospheric dust over long and short timescales within the Holocene. Here, we introduce the rationale behind the Special Issue and the eight research papers, which include long-term records of dust deposition from different types of natural archive (e.g. peatlands, ice, loess and lake sediments) as well as present-day multi-annual dust trap records and process studies from various climatic regimes that have global implications.
Air Drying Behaviour of Fresh and Osmotically Dehydrated Onion Slices (Allium cepa) and Tomato Fruits (Lycopersicon esculentum)

Onion slices (0.5 cm thick) and tomato fruits, fresh and osmotically dehydrated in sugar (600 g/l), salt (300 g/l) or mixed salt and sugar (45/15, w/w) solutions, were air dried at 60°C and drying constants determined. The air drying occurred in two falling rate periods, characterised each by a drying constant. The drying rate and the moisture diffusivity of osmosed samples were higher than that of fresh samples. The overall drying behaviour of osmosed onion slices was not influenced by osmotic conditions (solution and time), while the drying behaviour of osmosed tomato samples depended on osmotic solution and pre-treatment time. 15 minutes and 20 hours of pre osmosis seemed more convenient before drying of onion slices and tomato respectively. In this respect, the structural modification of cells of tomato membrane during extended pre treatment seemed to explain the variation in the drying behaviour.
On the generalized bi-periodic Lucas quaternions

As is well known, the Fibonacci sequence {Fn} is generated from the recurrence relation Fn = Fn−1 + Fn−2 with initial condition F0 = 0, F1 = 1, and the Lucas sequence {Ln} satisfies the same recurrence relation with initial condition L0 = 2, L1 = 1. The Fibonacci and Lucas numbers possess many interesting properties and appear in a variety of application fields [13]. There exist many generalizations of Fibonacci and Lucas sequences in the literature. Two of them are the bi-periodic Fibonacci sequence {un} [7] and the bi-periodic Lucas sequence {vn} [1] respectively defined by
High Aperture Efficiency Array Antenna for Wireless Power Transfer Applications

We propose a novel array antenna with high aperture efficiency by employing an array element operating in a high-order mode to improve the transmission efficiency of wireless power transmission applications. The proposed array element, operating at a frequency of 5.8 GHz, consists of a square patch with four metallic shorting pins, an extended cavity, and a high dielectric superstrate. The four metallic shorting pins derive the high-order operation, which can enhance the bore-sight gain, resulting in the high aperture efficiency of the array. The extended cavity structure can help further improvement the aperture efficiency and minimize the mutual coupling strength between adjacent elements. The proposed antenna element is extended to 2 × 2 and 4 × 4 arrays, resulting in aperture efficiencies of 74.2% and 80.5%, respectively. For the 2 × 2 array, maximum measured gains of 19.9 dBi in the zx-plane and 18.8 dBi in the zy-plane are observed. For the 4 × 4 array, the maximum measured gains of 24.3 dBi in the zx-plane and 24.5 dBi in the zy-plane are obtained in a full-anechoic chamber. Finally, the transmission efficiency of 6% with a distance of 0.8 m between the transmitter (Tx) and the receiver (Rx) is measured when setting up the wireless power transfer system, which consists of the Tx with the proposed 4 × 4 array and the Rx with a single element.
Sistem Pendaratan Otomatis pada Quadcopter menggunakan Sliding Mode Controller

A quadcopter has a very nonlinear system characteristic that is inﬂuenced by unexpected disturbances such as the inﬂuence of wind that reﬂected off the ground when taking off or landing. Therefore, a robust control strategy is needed to improve the quadcopter performance. In this study, the control strategy is used to resolve outdoor automatic landing problems in a stable manner using the Sliding Mode Control (SMC) algorithm. The quadcopter has six degrees of freedom (6-DoF) with only four independent inputs, this makes it impossible to control 6-DoF directly and simultaneously. To handle this, the proposed structure is a multilevel control structure, inner loop dan outer loop controller. The Inner loop controls the rotational dynamics subsystem (3-DoF), while the outer loop controls the translational dynamics subsystem (3-DoF) which is designed in conjunction with the generation of attitude angle set-point. With the concept of automatics landing can reduce the risk of accidents on a quadcopter. The SMC technique on an automatics quadcopter landing shows the results with an error in roll of ± 0.05 radians, pitch ± 0.03 radians, yaw less than 0.3 radians, and translational movements the z-axis is ± 0.2 meters.
Mycobacterium vaccae nebulization protects Balb/c mice against bronchial asthma through neural mechanisms

Abstract Objectives Bronchial asthma can be effectively controlled but not be cured, its etiology and pathogenesis are still unclear, and there are no effective preventive measures. The key characteristic of asthma is chronic airway inflammation, and recent research has found that airway neurogenic inflammation plays an important role in asthma. We previously found that Mycobacterium vaccae nebulization protects against asthma. Therefore, this objective of this study is to explore the effect of M. vaccae nebulization on asthmatic neural mechanisms. Methods A total 18 of female Balb/c mice were randomized into normal, asthma control, and M. vaccae nebulization (Neb.group) groups, and mice in the Neb.group were nebulized with M. vaccae one month before the asthmatic model was established. Then, 1 month later, the mice were sensitized and challenged with ovalbumin. Twenty-four hours after the last challenge, mouse airway responsiveness; pulmonary brain-derived neurotropic factor (BDNF), neurofilament-medium length (NF-M, using NF09 antibody), and acetylcholine expression; and nerve growth factor (NGF) mRNA level were determined. Results We found that the BDNF, NF09, acetylcholine expression, and NGF mRNA level were decreased in the Neb.group compared with levels in the asthma control group. Conclusion M. vaccae nebulization may protected in Balb/c mice against bronchial asthma through neural mechanisms.