Miracle-dz/UniFAR-FTUs huggingface dataset:
Matrix analysis and algorithms

The book contains an introduction to matrix analysis, and to the basic algorithms of numerical linear algebra. Further results can be found in many text books. The book of Horn and Johnson [HJ85] is an excellent reference for theoretical results about matrix analysis; see also [Bha97]. The subject of linear algebra, and matrix analysis in particular, is treated in an original and illuminating fashion in [Lax97]. For a general introduction to the subject of numerical linear algebra we recommend the book by Trefethen and Bau [TB97]; more theoretical treatments of the subject can be found in Demmel [Dem97], Golub and Van Loan [GL96] and in Stoer and Bulirsch [SB02]. Higham's book [Hig02] contains a wealth of information about stability and the effect of rounding errors in numerical algorithms; it is this source that we used for almost all theorems we state concerning backward error analysis. The book of Saad [Saa97] covers the subject of iterative methods for linear systems. The symmetric eigenvalue problem is analysed in Parlett [Par80].
The miR166d/TaCPK7-D Signaling Module Is a Critical Mediator of Wheat (Triticum aestivum L.) Tolerance to K+ Deficiency

It is well established that potassium (K+) is an essential nutrient for wheat (Triticum aestivum L.) growth and development. Several microRNAs (miRNAs), including miR166, are reportedly vital roles related to plant growth and stress responses. In this study, a K+ starvation-responsive miRNA (miR166d) was identified, which showed increased expression in the roots of wheat seedlings exposed to low-K+ stress. The overexpression of miR166d considerably increased the tolerance of transgenic Arabidopsis plants to K+ deprivation treatment. Furthermore, disrupting miR166d expression via virus-induced gene silencing (VIGS) adversely affected wheat adaptation to low-K+ stress. Additionally, miR166d directly targeted the calcium-dependent protein kinase 7-D gene (TaCPK7-D) in wheat. The TaCPK7-D gene expression was decreased in wheat seedling roots following K+ starvation treatment. Silencing TaCPK7-D in wheat increased K+ uptake under K+ starvation. Moreover, we observed that the miR166d/TaCPK7-D module could affect wheat tolerance to K+ starvation stress by regulating TaAKT1 and TaHAK1 expression. Taken together, our results indicate that miR166d is vital for K+ uptake and K+ starvation tolerance of wheat via regulation of TaCPK7-D.
The Link between HRM Practices and Performance in Healthcare: The Mediating Role of the Organizational Change Process

The role of human resources as a change agent in the organizational change process holds great importance. Hence, it is crucial to identify ways human resources can support change. This paper investigates the direct and indirect relationships between human resource management (HRM) practices and organizational performance, as well as the mediating role of the organizational change process in these relationships. The proposed model integrates primary HRM practices, organizational change components, organizational performance, employee retention, and organizational abandonment. We collected data to evaluate the relationships between the model variables through a survey questionnaire applied to 441 Romanian employees in the healthcare industry. The paper used structural equation modeling to test the model’s validity and hypotheses. The results show that HRM practices directly impact organizational performance and have a mediated impact through the organizational change process. Additionally, the direct and mediating effects are consistent, and healthcare employers consider appropriate HRM practices and effective management of the organizational change process as essential drivers to achieve superior performance. The empirical findings provide valuable insights for government policymakers, stakeholders, and health managers on how suitable HRM practices can influence organizational performance.
Transcriptome Analysis of the Salt-Treated Actinidia deliciosa (A. Chev.) C. F. Liang and A. R. Ferguson Plantlets

The area of saline land in the world is quite large, and there is broad room for its development and usage. ‘Xuxiang’ is an Actinidia deliciosa variety that is tolerant to salt and can be planted in an area of light-saline land, and has good comprehensive characteristics and high economic value. However, the molecular mechanism of salt tolerance is unknown at present. To understand the molecular mechanism of salt tolerance, the leaves of A. deliciosa ‘Xuxiang’ were used as explants to establish a sterile tissue culture system, and plantlets were obtained using this system. One percent concentration (w/v) of sodium chloride (NaCl) was employed to treat the young plantlets cultured in Murashige and Skoog (MS) medium, then RNA-seq was used for transcriptome analysis. The results showed that the genes related to salt stress in the phenylpropanoid biosynthesis pathway and the anabolism of trehalose and maltose pathways were up-regulated; however, those genes in the plant hormone signal transduction and metabolic pathways of starch, sucrose, glucose, and fructose were down-regulated after salt treatment. The expression levels of ten genes that were up-regulated and down-regulated in these pathways were confirmed by real-time quantitative polymerase chain reaction (RT-qPCR) analysis. The salt tolerance of A. deliciosa might be related to the expression level changes in the genes in the pathways of plant hormone signal transduction, phenylpropanoid biosynthesis, and starch, sucrose, glucose, and fructose metabolism. The increased expression levels of the genes encoding alpha-trehalose-phosphate synthase, trehalose-phosphatase, alpha-amylase, beta-amylase, feruloyl-CoA 6-hydroxylase, ferulate 5-hydroxylase, and coniferyl-alcohol glucosyl transferase might be vital to the salt stress response of the young A. deliciosa plants.
Intuitionistic Fuzzy multi-objective Mathematical Programming on Reliability Optimization Model

This paper proposes an intuitionistic fuzzy optimization approach to solve a multi-objective nonlinear programming problem in the context of a reliability application. We have considered a multi-objective reliability optimization problem with reliability and cost as objective functions. Intuitionistic fuzzy optimization approach is used to solve this multi-objective reliability optimization model. It is shown that the proposed intuitionistic fuzzy optimization approach is more efficient than the analogous fuzzy technique. Numerical examples are provided to illustrate our approach.
Agricultural Harvesting Robot Concept Design and System Components: A Review

Developing different robotic platforms for farm operations is vital to addressing the increasing world population. A harvesting robot significantly increases a farm’s productivity while farmers focus on other relevant farm operations. From the literature, it could be summarized that the design concepts of the harvesting mechanisms were categorized as grasping and cutting, vacuum suction plucking systems, twisting and plucking mechanisms, and shaking and catching. Meanwhile, robotic system components include the mobile platform, manipulators, and end effectors, sensing and localization, and path planning and navigation. The robotic system must be cost-effective and safe. The findings of this research could contribute to the design process of developing a harvesting robot or developing a harvesting module that can be retrofitted to a commercially available mobile platform. This paper provides an overview of the most recent harvesting robots’ different concept designs and system components. In particular, this paper will highlight different agricultural ground mobile platforms and their associated mechanical design, principles, challenges, and limitations to characterize the crop environment relevant to robotic harvesting and to formulate directions for future research and development for cotton harvesting platforms.
Gait Expression and Recognition Based on Primary Motion Contours

This paper introduces a gait expression and recognition algorithm based on the feature matrix constructed from the primary motion contours of gait.Three segments are extracted from silhouette contours to represent primary motions of gait.Three feature matrices are constructed based on the horizontal distances from the segmented curves to the silhouette centroid.Principal component analysis(PCA)and multiple discriminant analysis(MDA)are utilized to reduce redundant data and separate different classes,respectively.The proposed algorithm is evaluated on USF dataset, and its performance is compared with three typical algorithms.Experimental results show that this algorithm has a higher mean recognition rate and achieves better performance in robustness than the other algorithms.
Tailoring Functionality of Nanocellulose: Current Status and Critical Challenges

Nanocellulose (NC) isolated from natural cellulose resources, which mainly includes cellulose nanofibril (CNF) and cellulose nanocrystal (CNC), has garnered increased attention in recent decades due to its outstanding physical and chemical properties. Various chemical modifications have been developed with the aim of surface-modifying NC for highly sophisticated applications. This review comprehensively summarizes the chemical modifications applied to NC so far in order to introduce new functionalities to the material, such as silanization, esterification, oxidation, etherification, grafting, coating, and others. The new functionalities obtained through such surface-modification methods include hydrophobicity, conductivity, antibacterial properties, and absorbability. In addition, the incorporation of NC in some functional materials, such as films, wearable sensors, cellulose nanospheres, aerogel, hydrogels, and nanocomposites, is discussed in relation to the tailoring of the functionality of NC. It should be pointed out that some issues need to be addressed during the preparation of NC and NC-based materials, such as the low reactivity of these raw materials, the difficulties involved in their scale-up, and their high energy and water consumption. Over the past decades, some methods have been developed, such as the use of pretreatment methods, the adaptation of low-cost starting raw materials, and the use of environmentally friendly chemicals, which support the practical application of NC and NC-based materials. Overall, it is believed that as a green, sustainable, and renewable nanomaterial, NC is will be suitable for large-scale applications in the future.
Nonparametric Statistics for the Behavioral Sciences

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Circularly-Polarized Patch Antennas With Enhanced Bandwidth Based on Capacitively Coupled Orthogonal Patch Radiators

Circularly-polarized (CP) patch antennas with enhanced bandwidth based on capacitively coupled orthogonal patch radiators are proposed. Several patch radiators are alternately arranged one by one along the <inline-formula> <tex-math notation="LaTeX">${x}$ </tex-math></inline-formula>- and <inline-formula> <tex-math notation="LaTeX">${y}$ </tex-math></inline-formula>-direction, producing orthogonal currents and far fields. The adjacent patch radiators are coupled to each other and the coupling structure not only contributes to power distribution but also introduces 90° phase shift for circularly-polarized radiation. There is no need for an additional feeding circuit in the design. The far-field components are mapped to the excitation voltage of the equivalent circuit model and a quantitative design method based on the equivalent circuit model is proposed. The theoretical axial ratio response can be predicted and analyzed. Wideband CP patch antennas with 3 and 4 coupled radiators under a profile of <inline-formula> <tex-math notation="LaTeX">$0.035{\lambda }_{0}$ </tex-math></inline-formula> are designed, fabricated, and measured as examples. Full-wave simulation results agree well with the theoretical ones. Multiple minima in the axial ratio response are produced to form wide bandwidth. The measured overlap bandwidths of reflection coefficient, realized gain, and axial ratio for these two antennas are 4.9% and 6.3%, respectively.
Simulation of Lower Limb Muscle Activation Using Running Shoes with Different Heel-to-Toe Drops Using Opensim

Background: Although numerous studies have been conducted to investigate the acute effects of shoe drops on running kinematics and kinetic variables, their effects on muscle forces remain unknown. Thus, the primary aim of this study was to compare the muscle force, kinematics, and kinetic variables of habitually rearfoot runners with heel-to-toe drops of negative 8 mm shoes (minimalist shoes) and positive 9 mm shoes (normal shoes) during the running stance phase by using musculoskeletal modeling and simulation techniques. Methods: Experimental data of lower limb kinematics, ground reaction force, and muscle activation from 16 healthy runners with rearfoot strike patterns were collected and analyzed in OpenSim. Using Matlab, the statistical parameter mapping paired t-test was used to compare the joint angle, moment, and muscle force waveform. Results: The results revealed differences in the sagittal ankle and hip angles and sagittal knee moments between the different heel-to-toe drops of running shoes. Specifically, it showed that the negative 8 mm running shoes led to significantly smaller values than the positive 9 mm running shoes in terms of the angle of ankle dorsiflexion, ankle eversion, knee flexion, hip flexion, and hip internal and hip external rotation. The peak ankle dorsiflexion moment, ankle plantarflexion moment, ankle eversion moment, knee flexion moment, knee abduction moment, and knee internal rotation also decreased obviously with the minimalist running shoes, while the lateral gastrocnemius, Achilleas tendon, and extensor hallucis longus muscles were obviously greater in the minimalist shoes compared to normal shoes. The vastus medialis, vastus lateralis and extensor digitorum longus muscles force were smaller in the minimalist shoes. Conclusions: Runners may shift to a midfoot strike pattern when wearing negative running shoes. High muscle forces in the gastrocnemius lateral, Achilleas tendon, and flexor hallucis longus muscles may also indicate an increased risk of Achilleas tendonitis and ankle flexor injuries.
Enhancing underwater VLC with spatial division transmission and pairwise coding.

In this paper, we propose and evaluate two spatial division transmission (SDT) schemes, including spatial division diversity (SDD) and spatial division multiplexing (SDM), for underwater visible light communication (UVLC) systems. Moreover, three pairwise coding (PWC) schemes, including two one-dimensional PWC (1D-PWC) schemes, i.e., subcarrier PWC (SC-PWC) and spatial channel PWC (SCH-PWC), and one two-dimensional PWC (2D-PWC) scheme are further applied for signal-to-noise ratio (SNR) imbalance mitigation in the UVLC systems using SDD and SDM with orthogonal frequency division multiplexing (OFDM) modulation. The feasibility and superiority of applying SDD and SDM with various PWC schemes in a practical bandlimited two-channel OFDM-based UVLC system have been verified through both numerical simulations and hardware experiments. The obtained results show that the performance of SDD and SDM schemes are largely determined by both the overall SNR imbalance and the system spectral efficiency. Moreover, the experimental results demonstrate the robustness of SDM with 2D-PWC against bubble turbulence. Specifically, SDM with 2D-PWC can obtain bit error rates (BERs) under the 7% forward error correction (FEC) coding limit of 3.8 × 10-3 with a probability higher than 96% for a signal bandwidth of 70 MHz and a spectral efficiency of 8 bits/s/Hz, achieving an overall data rate of 560 Mbits/s.
Calmodulin Regulates Transient Receptor Potential TRPM3 and TRPM8-Induced Gene Transcription

Calmodulin is a small protein that binds Ca2+ ions via four EF-hand motifs. The Ca2+/calmodulin complex as well as Ca2+-free calmodulin regulate the activities of numerous enzymes and ion channels. Here, we used genetic and pharmacological tools to study the functional role of calmodulin in regulating signal transduction of TRPM3 and TRPM8 channels. Both TRPM3 and TRPM8 are important regulators of thermosensation. Gene transcription triggered by stimulation of TRPM3 or TRPM8 channels was significantly impaired in cells expressing a calmodulin mutant with mutations in all four EF-hand Ca2+ binding motifs. Similarly, incubation of cells with the calmodulin inhibitor ophiobolin A reduced TRPM3 and TRPM8-induced signaling. The Ca2+/calmodulin-dependent protein phosphatase calcineurin was shown to negatively regulate TRPM3-induced gene transcription. Here, we show that TRPM8-induced transcription is also regulated by calcineurin. We propose that calmodulin plays a dual role in regulating TRPM3 and TRPM8 functions. Calmodulin is required for the activation of TRPM3 and TRPM8-induced intracellular signaling, most likely through a direct interaction with the channels. Ca2+ influx through TRPM3 and TRPM8 feeds back to TRPM3 and TRPM8-induced signaling by activation of the calmodulin-regulated enzyme calcineurin, which acts as a negative feedback loop for both TRPM3 and TRPM8 channel signaling.
Comment on the level-set method used in ‘Numerical study on mobilization of oil slugs in capillary model with level set approach’

ABSTRACT This is a comment on a 2014 paper by Dai and Wang. It is argued that the validation in Dai and Wang's paper is an artifact caused by the boundary conditions of the level-set function, meaning that the effects reported in their paper have little physical relevance. Simulations are presented using Dai and Wang's methods to illustrate this claim. Remarks are made on the choice of boundary conditions for the level-set function, as well as the frequency of reinitialization, both of which are important topics that are sometimes overlooked. A simple criterion is proposed for determining the appropriate reinitialization frequency in simulations of highly viscous flows.
Applicability of DualSPHysics model to derivation of drag coefficient in vegetation

Vegetation such as mangroves and saltmarshes plays an important role for coastal protection. However the mechanism to dissipate energy is not clear yet. One of the reasons is due to the lack of knowledge about drag coefficient. Hence, a numerical model can be useful to study the basic mechanism. In this study, an applicability of the SPH-based DualSPHysics model to derive drag coefficient in vegetation using a simple case is explored. The obtained Strouhal number, cross flow magnitude and drag coefficient are compared to the values in literature. Numerical outputs in DualSPHysics are in good agreement with the values in literature. Preliminary results show the capacity to apply the DualSPHysics model to the derivation of drag coefficient in vegetation.
Multiple fundamental frequency estimation based on timbre model

To solve the partial overlapping problem in polyphonic music effectively,a multiple-f0 estimation method based on the timbre model is proposed.After the time-frequency feature of the timbre is analyzed,it is pointed out that the harmonic structure in delay and sustain state is stable and suitable for fundamental frequency estimation.The candidate f0 is selected according to the harmonic matching rate and the strength,and the exact f0 is determined using the spectrum iterative subtraction method.The spectral line is subtracted based on the minimum harmonic matching rate,and the partial overlapping problem is solved applying the proportional subtraction mechanism.The simulation experiments and actual music testing show that this algorithm is accurate,and can be applied widely to music signal analysis with stable harmonic structure.
PUNAHNYA ETIKA MORAL ELIT POLITIK DI INDONESIA

ABSTRACT The problem of corruption has reached its peak, the establishment of institutions that handle this case has carried out its functions well but the trend of corruption cases does not decrease every day but instead jumps sharply. vision, mission, goals become measurable and directed, political parties have a reconciliation process that can produce good politicians who are able to make political decisions or actions. The political elite prioritizes public interests and ethics. done and the corruption gap is closed. Keywords: moral ethics, responsibility, political elite
The Design, Synthesis and Application of Nitrogen Heteropolycyclic Compounds with UV Resistance Properties

Exposure to ultraviolet (UV) light is known to cause skin aging, skin damage, cancer, and eye diseases, as well as polymer material aging. Therefore, significant attention has been devoted to the research and development of UV absorbers. Considering the robust hydrogen bonding and conjugated structure present in nitrogen-containing polycyclic compounds, these compounds have been selected as potential candidates for exploring ultraviolet absorption properties. After structural optimization and the simulation of ultraviolet absorption spectra, four tris-[1,2,4]-triazolo-[1,3,5]-triazine (TTTs) derivatives, namely TTTB, TTTD, TTTJ, and TTTL, were selected as the preferred compounds and synthesized. The structure of the compound was determined using various analytical techniques, including FTIR, 1HNMR, 13CNMR, HRMS, and XRD. Subsequently, composite films of polyvinyl chloride (PVC) and TTTs were produced using a simple solvent casting technique. The PVC films were subjected to UV age testing by exposing them to an ultraviolet aging chamber. The age-resistant performance of the fabricated films was evaluated using an ultraviolet spectrophotometer and Fourier infrared spectrum instrument. The findings suggest that TTTs exhibit a noteworthy capacity for absorbing ultraviolet radiation. The TTTL compound exhibits a superior UV absorption performance compared to commercially available UV absorbers such as UV-0 and UV-327 in the market.