Miracle-dz/UniFAR-FTUs huggingface dataset:
Source localization using MUSIC and selection of sensor number and distance

In this paper, two methods are showed to identify the seismic source using an array signal processing technique. One method is applicable when there are multiple sources, and it identifies the directions of the sources, and the other one estimates the distance and angular position of a single seismic source. Both the methods uses MUltiple SIgnal Classifier (MUSIC) for array signal processing. In case of multiple sources, the resolvability of two closely spaced sources depends on the number of sensors and the distances between them. A method is shown to evaluate the number of sensors and the distances between them to resolve two closely spaced sources with known angular difference between them. All the results shown in this paper are generated from synthetic data.
The near-complete mitogenome sequence of the Omei Horned Toad Megophrys omeimontis Liu, 1950 (Anura, Megophryidae)

Abstract The nearly complete mitogenome of Megophrys omeimontis is 17,013 bp in length, including 13 protein-coding genes (PCGs), 2 rRNA genes, 22 tRNA genes and a D-loop region, and it shares the identical gene arrangement with Atympanophrys shapingensis. The overall base composition of this mitogenome is biased toward AT content at 60.10%. Most PCGs begin with ATG, whereas ND1 starts with ATA, ND2 initiates from ATT, ND3 starts with ATC, and COX1 begins with GTG. Four PCGs (COX1, ATP8, ND4L and ND5) use complete stop codon TAR, and ND6 ends with AGG, but the remaining eight PCGs terminate in TA or T. The putative control region of M. omeimontis mitogenome holds two tandem repeat motifs at the 5′ and 3′ ends, which is different from that of A. shapingensis mtDNA. Megophrys omeimontis becomes the sister lineage to the two other species, B. carinense and A. shapingensis.
Information fusion algorithm based on adaptive cubature strong tracking filter

The adaptive cubature strong tracking information filter(ACSTIF), which combines the strong tracking filter with the variational Bayesian method, has a good performance when the sudden change of state and the unknown variance of measurement noise appear. However, it also remains two problems. Firstly, the iteration of estimating the unknown variance of measurement noise is not very accurate. Secondly, it is designed for single sensor system so it's measure range and the accuracy is not very good. Aiming at these two problems, this paper proposed a sequential fusion algorithm based on improved adaptive cubature strong tracking information filter. We optimize the algorithm by modifying the process of estimating the unknown variance of measurement noise and combining the improved ACSTIF algorithm with sequential filtering fusion. Our analysis shows that the improved ACSTIF has a better performance than the original ACSTIF. Finally, a four dimensional simulation example is given to verify the validity and accuracy of the analysis results obtained in this paper.
Sonographic findings in a neonate with cobb syndrome

Cobb syndrome (cutaneomeningospinal angiomatosis) is a rare phacomatosis characterized by vascular abnormality of the spinal cord associated with a vascular naevus at the same metamere. We report the case of a newborn with Cobb syndrome, diagnosed by sonography of the spine and later confirmed by MRI. In neonates and young infants with dermatomal cutaneous vascular abnormalities, sonography of the spine should be used as the first imaging modality. © 2012 Wiley Periodicals, Inc. J Clin Ultrasound, 2013
The relationship between airway resistance, airway conductance and lung volume in subjects of different age and body size.

The resistance of the airways to the airflow through them depends on the radius, length and number of the airways. It has long been apparent (1, 2) that the bronchi are distended as well as lengthened in the inspiratory position of the lung. These two changes in the dimensions of these airways would have opposite effects on their resistance to airflow, lengthening increasing resistance and widening reducing it. More recent measurements of airway resistance have shown that it is reduced in the inspiratory position of the lung (3, 4, 5) and is more in individuals with small lungs (6). The body plethysmograph affords a good technique for comparing changes in airway resistance with changes in lung volume in an individual, since each measurement of airway resistance includes as an essential stage in its derivation, a measurement of intrathoracic gas volume. It therefore seemed desirable to explore further the relationship between airway resistance and lung volume at different degrees of inflation of the lung in normal subjects.
History Elements of Campaign Surgery through the Ages

Human history is usually confused with conflagrations history. Since ancient times, wars have led to deaths and injuries, and this has been considered as a normal situation. What has evolved over time was the value of the human life for the army and society in general. Aid to the injured has evolved from comradely aid to the formation of specialized structures, in good part due to the increased 'value' of the soldier, through the investment in his preparation. Only recently, a soldier is regarded as a being with intrinsic value for society, military and family, who is performing a social service, and to whom society owes to protect and do everything it can to save his life or to mitigate the effects of his injuries.
The succession process at social enterprises in Brazil

Este trabajo se fundamenta en una investigacion realizada en empresas sociales en Brasil, con el objetivo de verificar si y como dichas empresas efectuan la planificacion y gestion del proceso de sucesion de las posiciones de direccion de esas entidades. Se investigo el subconjunto de las asociaciones dedicadas a la produccion colectiva de bienes y servicios, puesto que tienen una organizacion formalmente constituida y buscan la aceleracion de la dinamica del desarrollo local. La investigacion empirica fue estructurada en dos etapas, la primera una encuesta con una muestra de 378 empresas, para identificar las que ya habian pasado o estaban pasando por sucesion. En la segunda etapa los principales directivos de 32 empresas fueron entrevistados, y se busco obtener una narracion de las experiencias de sucesion que se produjeron en la trayectoria de la empresa. En esta etapa se analiza como interactuan las dimensiones Individuo, Organizacion, y Ambiente en la configuracion del proceso de sucesion, y se identifica en cada una de esas dimensiones cuales son los factores que pueden facilitar y los que pueden limitar el proceso de sucesion. Para analizar la estructura y las principales caracteristicas del proceso de sucesion, los siguientes ejes de orientacion fueron considerados como base: dimension Individuo - roles del liderazgo, habilidades de liderazgo y estilos de liderazgo; dimension Organizacion - la estructura, planificacion, consejos, comunicacion (transparencia), control y evaluacion; dimension Ambiente - las influencias de los stakeholders (comunidad, proveedores, clientes, socios) en el proceso de sucesion. Los resultados mostraron que el proceso de sucesion en las asociaciones investigadas se encuentra en fase de construccion: se adapta a las exigencias del escenario actual, pero presenta clara necesidad de perfeccionamiento para conducir mas eficazmente la planificacion y la gestion compartida del proceso.
The Application of Biosignal Feedback for Reducing Cybersickness from Exposure to a Virtual Environment

We examined the efficacy of a new method to reduce cybersickness. A real-time cybersickness detection system was constructed with an artificial neural network whose inputs were the electrophysiological signals of subjects in a virtual environment. The system was equipped with a means of feedback; it temporarily provided a narrow field of view and a message about navigation speed deceleration, both of which acted as feedback outputs whenever electrophysiological inputs signaled the occurrence of cybersickness. This system is named cybersickness relief virtual environment (CRVE). Forty-seven subjects experienced the VR for 9.5 min twice in CRVE and non-CRVE conditions. The results indicated that the frequency of cybersickness and simulator sickness questionnaire scores were lower in the CRVE condition than in the non-CRVE condition. Subjects also showed a higher net increase in tachyarrhythmia from the baseline period to the virtual navigation period in the CRVE condition compared to the non-CRVE condition. These results suggest that a CRVE condition may be a countermeasure against cybersickness.
Investigation of aneuploidy induction in mouse oocytes following exposure to vinblastine‐sulfate, pyrimethamine, diethylstilbestrol diphosphate, or chloral hydrate

The various causative and mechanistic phenomena associated with aneuploidy induction require considerable investigation to better understand the etiology of chromosome missegregation. We investigated the potential of vinblastine sulfate, pyrimethamine, diethylstilbestrol diphosphate, and chloral hydrate to induce numerical and structural chromosome changes in female mouse germ cells. Superovulated ICR mice were administered the compounds either by intraperitoneal injection or oral gavage, and oocytes were collected and processed for cytogenetic analysis 17 hr later. Vinblastine sulfate, administered i.p., induced a significant increase in the frequency of ovulated Ml oocytes and of hyperploid Mll oocytes compared to controls, but did not increase the frequency of structural aberrations. Pyrimethamine, diethylstilbestrol diphosphate, and chloral hydrate did not increase the frequency of numerical or structural chromosome changes in female mouse germ cells. © 1993 Wiley‐Liss, Inc.
The cDNA Cloning and Characterization of Inositol Polyphosphate 4-Phosphatase Type II

Inositol polyphosphate 4-phosphatase (4-phosphatase) is a Mg2+-independent enzyme that catalyzes the hydrolysis of the 4-position phosphate of phosphatidylinositol 3,4-bisphosphate, inositol 1,3,4-trisphosphate, and inositol 3,4-bisphosphate. We have isolated cDNA encoding a 105,257-Da protein that is 37% identical to the previously cloned 4-phosphatase. Recombinant protein was expressed inEscherichia coli and shown to hydrolyze all three 4-phosphatase substrates with enzymatic properties similar to the original enzyme. We designate the original 4-phosphatase and the new isozyme as inositol polyphosphate 4-phosphatase types I and II, respectively. 4-Phosphatase II is highly conserved with the human and rat enzymes having 90% amino acid identity. A conserved motif between 4-phosphatase I and II is the sequence CKSAKDRT that contains the Cys-Xaa5-Arg active site consensus sequence identified for other Mg2+-independent phosphatases. Northern blot analysis indicated that 4-phosphatase II is widely expressed with the highest levels occurring in the skeletal muscle and heart. In addition, cDNA encoding alternatively spliced forms of human 4-phosphatase I (107,309 Da) and rat 4-phosphatase II (106,497 Da) were also isolated that encode proteins with a putative transmembrane domain near their C termini. These alternatively spliced forms were expressed as recombinant proteins in E. coli and SF9 insect cells and found to possess no detectable enzymatic activity suggesting that additional factors and/or processing may be required for these alternatively spliced isozymes.
Prevalence of malnutrition at the time of admission among patients admitted to a Canadian tertiary-care paediatric hospital.

BACKGROUND Malnutrition among hospitalized children is known to negatively influence their response to therapy and to prolong their admission. It also has short- and long-term consequences for growth, development and well-being. It is commonly regarded as a condition affecting children in low-income countries; however, malnutrition has been found to be variably prevalent among hospitalized children in higher-income countries. At the time the present study was conducted, it had been >30 years since the nutritional status of Canadian hospitalized children was last published. OBJECTIVES To determine and communicate the prevalence of malnutrition among children in a Canadian tertiary-care paediatric hospital at the time of their admission. METHODS In the present cross-sectional study, anthropometric measures were obtained from 322 children admitted to The Hospital for Sick Children in Toronto, Ontario. Nutritional indexes (BMI for age, weight for age, weight for length/height and length/height for age) were generated from anthropometric measures using the WHO igrowup software, and summarized according to WHO definitions. RESULTS The overall prevalence of malnutrition using BMI for age was 39.6% (95% CI 33% to 46%), of which 8.8% and 30.8% of participants were under- and overnourished, respectively. Furthermore, 6.9% (95% CI 3% to 13%) were determined to be acutely malnourished (weight for length/height <-2 SD) and 13.4% (95% CI 10% to 18%) chronically malnourished (length/height for age <-2 SD). CONCLUSION The high prevalence of overall malnutrition observed among study participants suggests that initial screening using simple anthropometric measures should be conducted on hospital admission so that patients can receive appropriate nutrition-specific care.
Fasting in king penguin. II. Hormonal and metabolic changes during molt.

The coincidence of fast and molt in penguins is an interesting condition for investigating the factors controlling protein metabolism; avian molt involves the utilization of amino acids for synthesis of new feathers, whereas a major factor for adaptation to fasting in birds, as for mammals, is reduction in net protein breakdown. Hormonal and biochemical changes were studied in seven molting king penguins. Their initial body mass was 18 kg. It decreased by 58% over 41 days of fasting. Feather synthesis lasted for the first 3 wk of the fast. It was marked by plasma concentrations of alanine and uric acid 1.5 to 2 times those for nonmolting fast, and plasma thyroxine was increased five times. At the completion of molt all these values returned to levels comparable to those in nonmolting fast. As indicated by high plasma levels of beta-hydroxybutyrate, lipid stores were mobilized readily during molting. The fast ended by a phase of enhancement in protein utilization that was characterized by a fivefold increase in uricacidemia and coincided with an 80% drop in plasma beta-hydroxybutyrate and a fourfold increase in plasma corticosterone. These data suggest that two different hormones control the two successive periods marked by an increased protein mobilization during the molting fast, i.e., thyroxine during feather growth and corticosterone toward the end of the fast, when the molt is completed.
Frequency-Domain AoA Estimation and Beamforming with Wideband Hybrid Arrays

High speed long range millimetre-wave (mm-wave) links can be achieved by using wideband hybrid antenna arrays of sub-arrays. Due to the array architecture difference, conventional wideband angle-of-arrival (AoA) estimation and beamforming techniques are not applicable to such wideband hybrid arrays. Targeted at point-to-point line-of-sight wireless transmission in the 70/80 GHz E bands, a unified frequency-domain AoA estimation and beamforming algorithm suitable for large scale wideband hybrid arrays of both interleaved and side-by-side sub-arrays is proposed in this paper. The AoA estimation performance is analyzed by deriving a recursive modified Cramér-Rao bound (MCRB). The effect of mutual coupling among antenna elements on the estimation performance is also considered for the hybrid array of side-by-side sub-arrays. The analytical results can be used to determine system parameters according to required system specifications. Simulation results show that the proposed AoA estimation algorithm is robust against practical impairments, and the frequency dependency of the array pattern is significantly reduced after digital beamforming. Simulated mean square errors of AoA estimation are also compared with the analytical bounds, showing that the derived recursive MCRB provides a meaningful indication to the AoA estimation performance.
Transformer-based single-phase AC-DC-AC topology for grid issues mitigation

This paper proposes a single-phase ac-dc-ac converter composed of a transformer and two three-leg converters connected in series. The proposed converter allows to feed the load voltage with sinusoidal voltages with constant amplitude and frequency and to operate with sinusoidal grid current with high power factor. Besides, the converter can be used to mitigate fundamental over-voltage and voltage harmonics at the grid. The system model, regions of operation, two pulse width modulation (PWM) techniques (including space-vector PWM), a power flux analysis, and a method to regulate the dc-link voltages using the voltage vector redundancies are given. Finally, a complete control system is provided. The proposed topology is compared with two conventional systems in terms of operation range, harmonic distortions and semiconductor losses. Simulation and experimental results are provided to validate the feasibility of the system.
Entwicklung und Test von Onboard-Algorithmen für die Landfernerkundung

Mit dem verstarkten Einsatz operationeller Fernerkundungssysteme in der nachsten Zukunft wird die Onboard-Prozessierung von Daten immer mehr an Bedeutung gewinnen. Zur Bearbeitung derartiger Aufgabenstellungen haben die verwendete Hardware und Software bestimmte Anforderungen zu erfullen. Die Algorithmen zur Datenverarbeitung stehen im Mittelpunkt dieser Arbeit. Als Beispiel wird die automatische Verarbeitung von Daten stereofahiger Zeilenscanner zu einem digitalen Gelandemodell betrachtet. Die Eigenschaften des Sensors und die Forderung nach Online-Fahigkeit erfordern neue Ansatze zur Losung dieser photogrammetrischen Aufgabenstellung. Die vorgestellte Verarbeitungskette zeichnet sich durch hohe Rechengeschwindigkeit, Zuverlassigkeit und Einfachheit aus. Das Hauptaugenmerk bei den Betrachtungen zur Erhohung der Verarbeitungsgeschwindigkeit liegt auf der Optimierung von Algorithmen, der Parallelisierung und der Nutzung spezieller Hardware. Es wird nachgewiesen, das die Entwicklung auf den Gebieten der CCD-, Navigations- und Rechentechnik bereits heutzutage die Realisierung sehr komplexer Datenverarbeitungsprozeduren an Bord der Fernerkundungssysteme ermoglichen.
Shape Similarity System driven by Digital Elevation Models for Non-rigid Shape Retrieval

Shape similarity computation is the main functionality for shape matching and shape retrieval systems. Existing shape similarity frameworks proceed by parameterizing shapes through the use of global and/or local representations computed in the 3D or 2D space. Up to now, global methods have demonstrated their rapidity, while local approaches offer slower, but more accurate solutions. This paper presents a shape similarity system driven by a global descriptor encoded as a Digital Elevation Model (DEM) associated to the input mesh. The DEM descriptor is obtained through the jointly use of a mesh ﬂattening technique and a 2D panoramic projection. Experimental results on the public dataset TOSCA [BBK08] and a comparison with state-of-the-art methods illustrate the effectiveness of the proposed method in terms of accuracy and efﬁciency.
A Circuit for Contact Monitoring in Electrocardiography

A circuit for contact impedance monitoring in ECG is presented. An ac current in the same frequency band as the ECG signal is used for the measurement. This makes the measurement independent of polarization potentials and gives the correct weight to the impedances in the skin-to-electrode junction. The measurement of the contact impedance is made continuously during ECG monitoring and causes no interference in the ECG signal.
A Nonvolatile Fast-Read Two-Transistor SRAM Based on Spintronic Devices

This paper proposes a compact nonvolatile three-terminal two-transistor spintronic memory cell with a fast-read operation. It is applicable to a variety of current-driven and voltage-controlled write mechanisms, such as spin diffusion, spin Hall effect, domain wall motion, and magnetoelectric effect. Compared to the prior three-terminal spintronic memory proposal, the new cell provides 20% improvement in cell density. Compared to the conventional spin torque transfer random access memory, the proposed cell separates the read and write paths, and improves the read energy-delay product by up to <inline-formula> <tex-math notation="LaTeX">$22\times $ </tex-math></inline-formula> considering process variations for transistors and MTJs.
Analytical Modeling of a Novel Vernier Pseudo-Direct-Drive Permanent-Magnet Machine

In low-speed high-torque applications, gearboxes are widely used to amplify the output torque of electrical machines, which inevitably introduce side effects caused by mechanical contact. Consequently, a gear-free system has become increasingly interesting. Although a Vernier permanent-magnet machine has good torque capability, the low power factor is its weakness. This paper proposes a novel topology called the Vernier pseudo-direct-drive (VPDD) machine. A two-stepped design methodology is adopted by combining the subdomain analytical method and finite-element method (FEM). According to the results, the exact subdomain analytical model allows a quick pre-optimization of the structure, and the FEM can be used for further adjustment, dealing with the saturation effect and demagnetization. The optimized VPDD is capable of reaching a very high torque density of 91.8 Nm/L, and the torque ripple is negligible. Its power factor is 0.94.
A high‐throughput microchip‐based glycan screening assay for antibody cell culture samples

A high‐throughput screening assay was developed to quantify major glycan species in the crude mammalian cell culture samples for monoclonal antibodies (mAbs). This method utilizes high‐speed microchip electrophoresis separation following a fast sample preparation procedure. Using a 96‐well ultra‐filtration membrane, interfering species in the cell culture media were efficiently removed as the samples were concentrated. A commercial microchip electrophoresis instrument was used for high‐speed separation, allowing each sample to be analyzed in less than 1 min. This method is well suited for the purpose of high‐throughput antibody glycan profiling during cell culture expression, including clone selection and cell culture process optimization. The relative levels of high mannose (HM), fucosylated and galactosylated glycan species in the Fc domain can be determined for hundreds of crude cell culture samples in a few hours.