Miracle-dz/UniFAR-FTUs huggingface dataset:
INVESTIGATION OF BRIDGELESS POWER FACTOR CORRECTION IN SEPIC BASED ZERO VOLTAGE TRANSITION IN REDUCED RIPPLE FACTOR

In this paper, proffered an ultramodern bridgeless singlephase AC–DC PFC rectifier depends on SEPIC topology and it resort to a bidirectional switch and fast diodes. In the primary stage, AC voltage is indoctrinated into an uncontrolled DC voltage by means of diode rectifiers which is plunged with the second stage of isolated DC-DC converters adopting HF transformer for isolation. These two-stage ACDC converters have the obstacles of power quality in provisions of injected harmonic currents at AC mains evoked voltage distortion, degraded power factor and large size of DC capacitor filter at first stage. Subsequently the solid-state switch mode AC-DC converters having high-frequency transformer isolation are mellowed in buck, boost and buckboost configurations by improved power quality in conditions of reduced THD of input current, PFC at AC mains and correctly regulated and isolated DC output voltage feeding to loads starting few Watts to more than a few kW. Their realization of the proposed model is taking measured with the voltage and current stresses on the active switch and diodes, currents uninterrupted inductors and efficiency are juxtaposed to the available quadratic converters. The authority of the new hybrid converters is predominantly on notorious to saving in the range and rate of the inductors and less current stresses in the switching elements premier to smaller conduction losses. Enduringly the simulation results in like manner comparative performance are manifested and conversed for the majority of the proposed topologies.
Brooding of Chitons in Tasmania

Summary The occurrence of brooding among Tasmanian chitons is reported. For Ischnochiton (Ouatoplax) mayi this habit is recorded for the first time. Notes of brooding by Heterozona subvirldis and Paricoplox crocinus are included. Observations on Eudoxoplax inomata and Callistasecla mawlei suggest that these species may also brood
A NEW NOISE REDUCTION METHOD FOR FAULT DIAGNOSIS OF MOTORIZED SPINDLE ROLLING BEARING

The bearing is the core part of the electric spindle, and the bearing failure directly affects the normal operation of the electric spindle. When the electric spindle breaks down, the mechanical system can not operate normally, which leads to great losses. In order to detect bearing faults, many traditional intelligent fault detection methods are proposed, and the fault category can not be accurately determined due to the existence of noise components in the signal. In this paper, a new noise reduction algorithmSparse Denoising Auto-Encode (SDAE) is proposed. The Denoising Auto-Encoder can learn the noise factors and extract the succinct expressions from raw data automatically, and sparsity is integrated on the basis of Denoising Auto-Encoder to improve the generalization of feature expression. More effective feature expressions are extracted to train Convolutional Neural Network (CNN), and the Adam optimization algorithm is used to fine-tune CNN to improve the accuracy of fault diagnosis.
Analysis of the summer distribution of fish schools in the Pacific Eastern Boundary Current

The patterns of fish schools, mainly of Pacific hake (Merluccius productus), were studied in the Pacific Eastern Boundary Current during summer 1992. DiVerences between schooling patterns and depth preferenda offish schools in the north and south were elucidated through regression analysis of depth, size, and biomass information aboutfish schools, extracted from acoustic backscatter data. Hake schools appeared to be clustered, based on both visual and statistical evidence. School clusters were larger (more schools) and had more biomass in the north than in the south, but inter-cluster spacing was also larger in the north. Temperature, bottom depth and school depth all significantly aVect the biomass and number of schools in these clusters as the product of their eVect on individual schools and on school density. The eVect of these environmental factors on school cluster biomass and numbers diVers from their eVect on both individual schools and numbers of schools per arbitrary transect length (e.g. 5 nmi segments). School clusters may be a widespread phenomenon for schooling fish. 1997 International Council for the Exploration of the Sea
ANNOTATING A ROMANIAN LEXICON IN A GENERATIVE FRAMEWORK

: We present in this paper an on-going research: the construction and annotation of a Romanian Generative Lexicon (RoGL), following the generative lexicon theory. Our system follows the specifications of CLIPS project for Italian language. It contains a corpus, an ontology of semantic types, a graphical interface and a database from which we generate data in XML format. We describe here the graphical interface structure as well as functionality and the annotation procedure.
LYAPUNOV BASED OBSERVER DESIGN FOR FLYBACK CONVERTER

This paper proposes the design of observer for flyback converter using the Lyapunov direct method. Non-linearity and large signal model are considered for the design. The objective is to design a robust controller to regulate an output voltage of the converter. It will track the reference voltage for wide variation of input voltage and load. Non-linear state feedback control is used to reduce error and improves converter efficiency. Schur’s complement method is employed to convert Non-LMI into LMI. It reduces the complexity involved in the mathematical calculations. Observer functionalities are verified through Matlab simulation. It is shown that the Lyapunov observer based control performs better than pole placement controller and PID controller. Error and chaotic behavior of the converter are reduced with Lyapunov controller and compared with other controllers
Morphology, molecular phylogeny and taxonomy of Nitella comptonii (Charales, Characeae)

H. Sakayama, S. Arai, H. Nozaki, F. Kasai and M.M. Watanabe. 2006. Morphology, molecular phylogeny and taxonomy of Nitella comptonii (Charales, Characeae). Phycologia 45: 417–421. DOI: 10.2216/05-31.1 The taxonomic status of Nitella comptonii (Charales, Characeae) is not well understood because this species has not been recorded since the early 20th century, and detailed examinations of fully mature individuals have not been performed. Recently, we collected fully mature N. comptonii from the Okinawa Islands in Japan. These exhibited a distinctive fertile spherical head in the axils, and their vegetative and reproductive structures were consistent with those in the original description of the species. In 1965 in his ‘A revision of the Characeae’, R. D. Wood assigned N. comptonii as a subspecies of N. pseudoflabellata. In our study, scanning electron microscopic analysis of N. comptonii oospores revealed that external and internal oospore morphology of N. comptonii was clearly different from that of N. pseudoflabellata. In addition, multiple DNA phylogeny using the concatenated sequences of the chloroplastrbcL,atpB, andpsaB genes, and nuclear 5.8S ribosomal RNA gene and internal transcribed spacer regions, clearly separated N. comptonii from N. pseudoflabellata. Therefore, N. comptonii should be classified as a separate species.
ATROPELLIS CANKER OF LODGEPOLE PINE: ETIOLOGY, SYMPTOMS, AND CANKER DEVELOPMENT RATES

The reproductive structures of Atropellis piniphila (Weir) Lohman and Cash are described from material collected on lodgepole pine in Alberta. Conidia prob­ ably precede apothecia. They are produced endogenously and are released in a mucilaginous exudate when the fructifications are wet. Inoculations and subse­ quent reisolations provide strong evidence of the pathogenicity of A. piniphila, although only a few of the inoculations were successful. The pathogen entered through undamaged bark, and most stem infections originated on stems at branch nodes. Some stem cankers originated as branch infections in a stand where the lower branches were alive, but none originated in this way where live branches were restricted to the upper crown. In stands with large amounts of inoculum, the likelihood of stem tissues becoming infected changed as tissues grew older. An initial period of very low likelihood of infection was succeeded by one of high likelihood, and this in turn by a period of low likelihood. The development of symptoms is described, and the rates of longitudinal and tangential development of cankers are given.
Novel actions of arecoline in the C. elegans motor circuit

Figure 1: (A) The muscarinic receptors gar-2 and gar-3 are not required for suppression of acr-2(gf) by arecoline. (B) Pre-treatment with the specific muscarinic antagonist atropine does not affect suppression of acr-2(gf) by arecoline. (C) Loss of function in genes involved in GABAergic synaptic transmission eliminates suppression of acr-2(gf) by arecoline. (D) A new unc-49(ju1617) mutation was isolated in a genetic screen for mutants preventing suppression of acr-2(gf) by arecoline. Two-way ANOVA, ***P<0.001, **P<0.01, *P<0.05, n.s. =not significant.
STUDY OF TRANSIENT AND STABILITY OF SYNCHRONOUS RELUCTANCE MOTOR USING COMBINED FEM-CIRCUIT MODEL CONSIDERING CROSS MAGNETIC SATURATION

In this paper, a combined FEM-circuit model of the Synchronous Reluctance Motor (SynRM) is presented, in which the lumped circuit parameters are calculated numerically using FEM. The inductance cross-magnetic saturation is considered and used as lookup table in the circuit model. This model combines the advantages of both methods; the accuracy of FEM and ability to include geometrical and physical effects relevant to non-linearity, in addition to the speed of circuit models and ability of simulating controller/drive applications or simulating the effect of unbalanced/non-ideal supply. The dynamic operation and stability limits at supply voltage sag are also investigated to demonstrate the importance of including non-linear cross-magnetic effects in circuit models using the proposed approach.
Modern Eminence and Concise Critique of Solar Thermal Energy and Vacuum Insulation Technologies for Sustainable Low-Carbon Infrastructure

A concise critique on harnessing the abundant solar thermal energy and improvement with vacuum insulation for the utilization and conversion is presented. This research implicates that the world is becoming a global solar smart city prompted by increasing daily demand of energy by the global population and land-use. Amongst all the renewable energy resources available, solar thermal energy collectors (STC) are the most copious because it is accessible in both direct and indirect modes with global solar thermal capacity in operation in 2019 was 479 GWth and annual energy yield estimated to be 389 TWh. Hybridization has been found to be the only way of improving the existing performance of (STC) such as hybrid photovoltaic thermal (PVT) with phase-change material (PCM) for energy storage and magneto-thermoelectric generators (MTEGs) and/or vacuum insulated TEG (VTEG) for waste heat energy conversion to electrical power. The concentrating solar power (CSP) technologies were also precisely studied and yet parabolic trough collector, dish sterling and solar tower are amongst the top solar thermal heat energy harvesters and its electrical power generation has also been comprehended. The modern eminence of vacuum insulation technologies on thermal comfort and sound insulation in sustainable low-carbon buildings is presented. The research implicates that there is still a scope of improving the building and construction sector and target to achieve not only zero-energy buildings (ZEB) but generating-energy buildings (GEB). A concise critique on vacuum insulated smart glazed windows is presented and the review implicates that the hybridization with PV and TEG and novelty in the constructional materials of vacuum glazing (VG) and translucent vacuum insulation panel (TVIP) are vital in the realistic move towards the GEB. The future of vacuum insulation is not only limited to GEB but vital applications occur in medical, imaging, mechatronics and manufacturing industries.
OPTIMAL DESIGN OF ACTIVE SHUNT FILTER USING PARTICLE SWARM OPTIMIZATION

This paper proposes an optimal design method for Active power filter set at normal supply voltage, to satisfy the requirements of harmonic filtering. Optimization modal for Active power filter is constructed. The PSO algorithm was developed to find optimal solution for the design of Active filter. This filter is applied to engineering laboratories and other R&D departments, Industries where single phase rectifiers are used which involves harmonic problems indicate the practicality of the proposed design method though at base level.
Integrated Metabolomic and Lipidomic Analysis Reveals the Neuroprotective Mechanisms of Bushen Tiansui Formula in an Aβ1-42-Induced Rat Model of Alzheimer's Disease

Bushen Tiansui Formula (BSTSF) is a traditional Chinese medicine prescription. It has been widely applied to treat Alzheimer's disease (AD) in the clinic; however, the mechanisms underlying its effects remain largely unknown. In this study, we used a rat AD model to study the effects of BSTSF on cognitive performance, and UPLC-MS/MS-based metabolomic and lipidomic analysis was further performed to identify significantly altered metabolites in the cerebral cortices of AD rats and determine the effects of BSTSF on the metabolomic and lipidomic profiles in the cerebral cortices of these animals. The results revealed that the levels of 47 metabolites and 30 lipids primarily associated with sphingolipid metabolism, glycerophospholipid metabolism, and linoleic acid metabolism were significantly changed in the cerebral cortices of AD rats. Among the altered lipids, ceramides, phosphatidylethanolamines, lysophosphatidylethanolamines, phosphatidylcholines, lysophosphatidylcholines, phosphatidylserines, sphingomyelins, and phosphatidylglycerols showed robust changes. Moreover, 34 differential endogenous metabolites and 21 lipids, of which the levels were mostly improved in the BSTSF treatment group, were identified as potential therapeutic targets of BSTSF against AD. Our results suggest that lipid metabolism is highly dysregulated in the cerebral cortices of AD rats, and BSTSF may exert its neuroprotective mechanisms by restoring metabolic balance, including that of sphingolipid metabolism, glycerophospholipid metabolism, alanine, aspartate, and glutamate metabolism, and D-glutamine and D-glutamate metabolism. Our data may lead to a deeper understanding of the AD-associated metabolic profile and shed new light on the mechanism underlying the therapeutic effects of BSTSF.
Antia, a Natural Antioxidant Product, Attenuates Cognitive Dysfunction in Streptozotocin-Induced Mouse Model of Sporadic Alzheimer's Disease by Targeting the Amyloidogenic, Inflammatory, Autophagy, and Oxidative Stress Pathways

Background Many neurodegenerative diseases such as Alzheimer's disease are associated with oxidative stress. Therefore, antioxidant therapy has been suggested for the prevention and treatment of neurodegenerative diseases. Objective We investigated the ability of the antioxidant Antia to exert a protective effect against sporadic Alzheimer's disease (SAD) induced in mice. Antia is a natural product that is extracted from the edible yamabushitake mushroom, the gotsukora and kothala himbutu plants, diosgenin (an extract from wild yam tubers), and amla (Indian gooseberry) after treatment with MRN-100. Methods Single intracerebroventricular (ICV) injection of streptozotocin (STZ) (3 mg/kg) was used for induction of SAD in mice. Antia was injected intraperitoneally (i.p.) in 3 doses (25, 50, and 100 mg/kg/day) for 21 days. Neurobehavioral tests were conducted within 24 h after the last day of injection. Afterwards, mice were sacrificed and their hippocampi were rapidly excised, weighed, and homogenized to be used for measuring biochemical parameters. Results Treatment with Antia significantly improved mice performance in the Morris water maze. In addition, biochemical analysis showed that Antia exerted a protective effect for several compounds, including GSH, MDA, NF-κB, IL-6, TNF-α, and amyloid β. Further studies with western blot showed the protective effect of Antia for the JAK2/STAT3 pathway. Conclusions Antia exerts a significant protection against cognitive dysfunction induced by ICV-STZ injection. This effect is achieved through targeting of the amyloidogenic, inflammatory, and oxidative stress pathways. The JAK2/STAT3 pathway plays a protective role for neuroinflammatory and neurodegenerative diseases such as SAD.
Preparation, Reliability, and Validity of a Japanese Version of the “Satisfaction of Treatment among Caregivers of Dependent Type 2 Diabetic Patients” Questionnaire

The aim of this study was to prepare a Japanese version of the “Satisfaction of Treatment among Caregivers of Dependent Type 2 Diabetic Patients” (STCD2-J) questionnaire, which is used to assess the satisfaction of family caregivers with respect to the treatment for elderly patients with type 2 diabetes mellitus who require support. In addition, the reliability and validity of the STCD2-J questionnaire were analyzed. A Japanese version of the original STCD2 questionnaire was prepared, revised, and back-translated; the back-translated version was sent to the authors of the original version for confirmation. Family caregivers of patients with type 2 diabetes mellitus aged ≥65 years who regularly underwent medical examinations at the diabetes mellitus outpatient clinic of Ise Red Cross Hospital were included. Cronbach's α coefficient was calculated to assess internal consistency. Exploratory factor analyses were performed to assess construct validity, and Pearson's correlation coefficients between STCD2-J score and HbA1c as well as the degree of satisfaction with patients' blood glucose levels, depression, and negative self-assessment of nursing care were calculated to assess criterion-related validity. This study included 208 individuals (55 males and 153 females). Cronbach's α coefficient was 0.88. Factor analyses showed a single-factor structure both with and without rotation. The STCD2-J scores were significantly inversely correlated with HbA1c (r = −0.27, P < 0.001). Significant correlations were observed between the STCD2-J scores and degree of satisfaction with patients' blood glucose levels (r = 0.43, P < 0.001), depression (r = −0.20, P = 0.003), and negative self-assessment of nursing care (r = −0.19, P = 0.004). The reliability and validity of the STCD2-J questionnaire were confirmed. The STCD2-J questionnaire can be used in Japan as a tool to assess the satisfaction of family caregivers with the treatment of elderly patients with type 2 diabetes mellitus requiring support.
BIOsTaTIsTICal INvesTIgaTION Of lONg BONes aND meTapODIal BONes Of UrsUs spelaeUs aND UrsUs deningeri

This paper is on multivariate testing for species differentiation between Ursus deningeri and Ursus spelaeus. Significant results were achieved with twelve combinations of variables on nine postcranial elements in the discriminant analysis. These are attributed to a difference in locomotion habits, correlated to the differing diet of each species. These measurements were then used for the calculation of classification probabilities for the fossil finds of uncertain affiliation from the Einhornhöhle/Germany. A dominance of the geologically older U. deningeri is postulated here.
A framework for making predictive models useful in practice

Objective To analyze the impact of factors in healthcare delivery on the net benefit of triggering an Advanced Care Planning (ACP) workflow based on predictions of 12-month mortality. Materials and Methods We built a predictive model of 12-month mortality using electronic health record data and evaluated the impact of healthcare delivery factors on the net benefit of triggering an ACP workflow based on the models' predictions. Factors included non-clinical reasons that make ACP inappropriate, limited capacity for ACP, inability to follow up due to patient discharge, and availability of an outpatient workflow to follow up on missed cases. We also quantified the relative benefits of increasing capacity for inpatient ACP versus outpatient ACP. Results Work capacity constraints and discharge timing can significantly reduce the net benefit of triggering the ACP workflow based on a model's predictions. However, the reduction can be mitigated by creating an outpatient ACP workflow. Given limited resources to either add capacity for inpatient ACP versus developing outpatient ACP capability, the latter is likely to provide more benefit to patient care. Discussion The benefit of using a predictive model for identifying patients for interventions is highly dependent on the capacity to execute the workflow triggered by the model. We provide a framework for quantifying the impact of healthcare delivery factors and work capacity constraints on achieved benefit. Conclusion An analysis of the sensitivity of the net benefit realized by a predictive model triggered clinical workflow to various healthcare delivery factors is necessary for making predictive models useful in practice.
Efficient RF-to-DC Energy Harvesting for Portable Applications using TFET

This paper proposes a method for RF-to – DC energy harvesting with high efficiency using TFET, sensitive low load resistance and increased dynamic range for low power devices. It measures peak power conversion for more power efficiency at low input power. The Proposed TFET rectifier takes the advantages of a forward bias technique to control the selective transistor to rectify the conduction. The tunnel devices are used for specific characteristics to increase the strength of weak input signals. In this paper it is proposed to have a design performance related with peak power conversion efficiency for power and amplitude, our design fabricated starts to operate -18dBm input. The operation of rectifier circuit with tested frequency GSM 900 band includes other frequency band such as 2.4 GHz with normal impedance matching. The efficiency of the measured peak power conversion for the implemented TFET is 87% and -19.2dBm (13μW) sensitivity and this is the best rectifier utilization for energy harvesting applications and Internet of things.
MODELING, ANALYSIS AND CONTROL OF A STAND-ALONE HYBRID WIND/BATTERY CHARGEABLE POWER SYSTEM

The purpose of the present paper is to investigate a controller design and simulations of autonomous hybrid wind turbine system with variable-speed permanent magnet synchronous generator (PMSG) and a system for storing energy. The proposed system is mainly composed of a wind turbine drives permanent magnet synchronous generator, uncontrolled rectifier, DC/DC converter, DC/AC inverter and static loads. Furthermore, the mathematical model of the studied sub-systems and two control loops are considered. The first one is the controller which needed to preserve the DC-link voltage fixed at its desired value. The second one is the controller which needed to regulate the charge/discharge modes of the storage battery. The suggested hybrid wind/energy storage power generation model is considered and analyzed in case of without controller firstly. Then, the considered hybrid wind/energy storage power generation unit with the proposed controller is examined through a step change in wind speed. Digital simulation results show that the power desired by the linked loads may be successfully supplied and transported by the presented hybrid wind turbine and energy storage power generation system based on proportional-integral-derivative (PID) controller. Also, the emulation results show that there a good foretelling of the electrical variable waveforms and good achievement in case of the presented controller emulated with the case of without controller as maintaining the load voltage fixed at its reference values.