Miracle-dz/UniFAR-FTUs huggingface dataset:
Pharmaceutical quality control laboratory digital twin – A novel governance model for resource planning and scheduling

A digital twin of pharmaceutical quality control laboratory was developed and employed as a benchmarking platform to estimate the performance of a new facility under alternative governance models. Key performance metrics, such as sample processing times and utilisation rates of analytical staff and equipment were computed and compared under alternative governance scenarios, to determine solutions to be implemented in practice. Two frameworks were evaluated, leading to the conclusion that higher efficiency can be achieved under a novel, free-for-all governance, without the need to procure additional resources.
Glycerin-Grafted Starch as Corrosion Inhibitor of C-Mn Steel in 1 M HCl solution

C-Mn steels, commonly employed in structural applications, are often exposed to near-neutral aerated environments and hence subjected to general corrosion. In broader contexts, for example during pickling, acidizing treatments, or acid-releasing processes, where steel comes in contact with more aggressive solutions, the use of corrosion inhibitors is a supplementary strategy to cathodic protection and/or coating. This work focuses on the C-Mn steel corrosion protection in the presence of HCl, either as process fluid or by product. In order to avoid the toxicological issues related to conventional synthetic products, a bio-copolymer containing glycerin-grafted starch, synthesized by modification of maize starch, was studied as a “green” corrosion inhibitor by the weight loss method and electrochemical techniques (open circuit potential, potentiodynamic polarization and electrochemical impedance spectroscopy). Corrosion-related parameters, such as inhibitor concentration and temperature, were varied and optimized to characterize the corrosion process. Results showed that inhibition efficiency increases with increasing bio-copolymer concentration, reaching a maximum of 94%at the concentration of 300 mg L−1. The kinetic and thermodynamic parameters were determined and discussed. The obtained values of corrosion potential and corrosion current density, Ecorr and icorr, obtained by potentiodynamic polarization, are in agreement with the weight loss method. The corrosion current densities decrease when the concentration of the inhibitor increases.
A Triple-Band High-Gain Multibeam Ambient RF Energy Harvesting System Utilizing Hybrid Combining

Overcoming the challenge of battery recharging and replacement in industry Internet-of-Things (IoT) applications is considered by proposing the design of a triple-band high-gain multibeam ambient radio frequency (RF) energy harvesting system utilizing hybrid combining. The novelty of the design is that it simultaneously exploits frequency, space, and polarization to maximize the harvested RF energy. Wideband hybrid combining is proposed, which enables the harvesting of energy at low RF power densities while maintaining the wide frequency and space coverage necessary for ambient RF energy harvesting. The antenna design consisting of 16-ports has an average area per port of <inline-formula><tex-math notation="LaTeX">$0.3\lambda \times 0.3\lambda$</tex-math></inline-formula> (where <inline-formula><tex-math notation="LaTeX">$\lambda$</tex-math></inline-formula> is the freespace wavelength at 1.8 GHz) and is demonstrated to achieve a wide relative bandwidth of 38.5% covering the GSM-1800, UMTS-2100, and WiFi frequency bands. Hybrid combining of the 16-port antenna provides multiple antenna beams each with up to 11 dBi antenna gain and these provide broad beam coverage. The design for the rectifiers, using multistub impedance matching, is also provided and these are shown to be efficient over the frequency bands of interest. Measurements in an anechoic chamber demonstrate that the proposed energy harvesting system can provide an output dc voltage of more than 755 mV, an output dc power of more than <inline-formula><tex-math notation="LaTeX">$-$</tex-math></inline-formula>6.4 dBm and RF-to-dc efficiencies greater than 40% when the power density is more than 1400 <inline-formula><tex-math notation="LaTeX">$\mu \mathrm{W}/\mathrm{m}^{2}$</tex-math></inline-formula>. It is also shown that the proposed system can provide output dc power of 80 <inline-formula><tex-math notation="LaTeX">$\mu \mathrm{W}$</tex-math></inline-formula> and 7.3 <inline-formula><tex-math notation="LaTeX">$\mu \mathrm{W}$</tex-math></inline-formula> in real outdoor and indoor ambient environments, respectively.
Short‐term wind power forecasting based on two‐stage attention mechanism

Wind power is usually closely related to the meteorological information around the wind farm, which leads to the fluctuation of wind power and makes it difficult to predict precisely. In this study, a wind power forecasting model based on long-short-term memory network two-stage attention mechanism is established. The attention mechanism is extensively employed to weigh the input feature and strengthen the trend characteristic of wind power. The intermittency and volatility feature of the wind are efficiently mitigated, and the prediction accuracy is improved significantly. Besides, quantile regression and kernel density estimation are combined with the proposed model to predict the wind power interval and the probability density. These two parameters are important information for ensuring security and stability while accessing to the electricity grid. The simulation results on the actual wind power dataset verify the higher prediction accuracy of the proposed model compared with other machine learning methods.
Probing Electronic Strain Generation by Separated Electron-Hole Pairs Using Time-Resolved X-ray Scattering

Photogeneration of excess charge carriers in semiconductors produces electronic strain. Under transient conditions, electron-hole pairs may be separated across a potential barrier. Using time-resolved X-ray diffraction measurements across an intrinsic AlGaAs/n-doped GaAs interface, we find that the electronic strain is only produced by holes, and that electrons are not directly observable by strain measurements. The presence of photoinduced charge carriers in the n-doped GaAs is indirectly confirmed by delayed heat generation via recombination.
Peak Current Control and Feed-Forward Compensation of a DAB Converter

The double active bridge (DAB) converter has been proposed in different applications due to its advantage of wide soft-switching range and power flow regulation capability. Applications like hybrid or electric vehicles and avionics systems require a fast dynamic response since the demanded power depends on the driving, which becomes an important factor for safety. Additionally, due to unbalance in the components, a dc offset may be applied to the transformer; therefore, the risk of saturation is possible. This article presents a double band current control for the DAB converter that permits to avoid the risk of transformer saturation. Additionally, feed-forward compensation is employed to achieve a very fast transient response under load and input voltage variations. The proposal is described, analyzed, designed, simulated, and experimentally tested.
Validation of a Discrete Element Method (DEM) Model of the Grinding Media Dynamics within an Attritor Mill Using Positron Emission Particle Tracking (PEPT) Measurements

Positron emission particle tracking (PEPT) was used to investigate the grinding media dynamics in a laboratory-scale attritor mill in the absence of powder. The grinding media motion was analysed as a function of the equipment’s typical operating parameters: impeller speed, impeller clearance and bead fill level. It was observed that the impeller speed had the strongest influence on the media motion. An increase of the impeller speed from 300 rpm to 600 rpm led to a change in the bead recirculation patterns with the increasing formation of well segregated upper and lower recirculation loops that fully developed at the maximum speed of 600 rpm. For a constant impeller speed, an increase of the bead loading did not majorly affect the bead velocity as remarked by minor changes on the flow field. For all the impeller clearance values, the occupancy plots revealed an inefficient dead region at the bottom of the attritor where the beads were moving at very low velocity. In this region the beads were tightly packed under their own weight and, furthermore, there was an absence of direct contact with the impeller arms. The depth of this region increased proportionally to the distance between the bottom of the impeller and the vessel base indicating that a minimum value of clearance should be set to optimise the lower recirculation pattern. For two experimental conditions, the data generated by PEPT measurements were utilised to set-up a friction-adjusted discrete element method (DEM) model. Here, the simulation results were qualitatively and quantitatively compared against the PEPT data by assessing the averaged velocity flow fields and the average velocity profiles at different radial locations inside the vessel. Given the intrinsic uncertainty of the PEPT measurements, the DEM model results were in considerably good agreement with the experimental results. The major discrepancy was observed close to the vessel wall where the simulations overpredicted the velocity by about 10%.
Principles Of Instructional Design 4th Edition

The 4th World Congress on Technical Vocational Education and Training The Essentials of Instruction Design Connecting Fundamental Principles with Process and Practice. Instructional Technology And Media For Learning Ninth edition. Other books: Foundations of American Education Plus MyEducationLab with Pearson eText -Access Card Package (7th Edition) Human Sexuality (case) Plus. nomenclature of graphic design and learn fundamental principles of Our class demonstrations and instructional videos (Lynda.com) should be helpful, but the The Non-Designer's Design Book (4th Edition) by Robin Williams.
Experimental modelling of spray deflection influence on planing craft performance in calm water and waves

This study explores the prospects of using scaled model experiments for capturing the influence of a novel spray deflection concept on planing craft performance in calm water and in waves. An experimental setup with a towed planing craft model is designed and systematic experiments are performed, first with a bare hull model and then with the same model equipped with spray deflectors. Measured trim, sinkage and resistance in calm water and accelerations and resistance in waves are presented. The results, as well as various aspects of the experimental setup and the spray phenomenon, are discussed. The experimental results indicate that the studied spray deflector concept can have positive effects by lowering the resistance as well as the acceleration in waves. The detailed tailoring of the deflectors is concluded to be crucial. The developed experimental setup is concluded to give consistent results that capture the influence of the spray deflection details on the craft resistance and responses and is concluded to be useful for further research as well as for design purposes.
Nonrigid point set registration based on Laplace mixture model with local constraints

Purpose This paper aims to investigate a probabilistic mixture model for the nonrigid point set registration problem in the computer vision tasks. The equations to estimate the mixture model parameters and the constraint items are derived simultaneously in the proposed strategy. Design/methodology/approach The problem of point set registration is expressed as Laplace mixture model (LMM) instead of Gaussian mixture model. Three constraint items, namely, distance, the transformation and the correspondence, are introduced to improve the accuracy. The expectation-maximization (EM) algorithm is used to optimize the objection function and the transformation matrix and correspondence matrix are given concurrently. Findings Although amounts of the researchers study the nonrigid registration problem, the LMM is not considered for most of them. The nonrigid registration problem is considered in the LMM with the constraint items in this paper. Three experiments are performed to verify the effectiveness and robustness and demonstrate the validity. Originality/value The novel method to solve the nonrigid point set registration problem in the presence of the constraint items with EM algorithm is put forward in this work.
Optimal Control of a Differentially Flat 2D Spring-Loaded Inverted Pendulum Model

This paper considers the optimal control problem of an extended spring-loaded inverted pendulum (SLIP) model with two additional actuators for active leg length and hip torque modulation. These additional features arise naturally in practice, allowing for consideration of swing leg kinematics during flight and active control over stance dynamics. On the other hand, nonlinearity and the hybrid nature of the overall SLIP dynamics introduce challenges in the analysis and control of the model. In this paper, we first show that the stance dynamics of the considered SLIP model are differentially flat, which has a strong implication regarding controllability of the stance dynamics. Leveraging this powerful property, a tractable optimal control strategy is developed. This strategy enables online solution while also treating the hybrid nature of the SLIP dynamics. Together with the optimal control strategy, the extended SLIP model grants active disturbance rejection capability at any point during the gait. Performance of the proposed control strategy is demonstrated via numerical tests and shows significant advantage over existing methods.
Performance of cooperative multiple-input multiple-output NOMA in Nakagami-m fading channels with channel estimation errors

The performance of a downlink non-orthogonal multiple access based cooperative network with maximum ratio transmission/receive antenna selection (MRT/RAS) over Nakagami- m fading channels in the presence of channel estimation errors (CEEs) is studied. In the system, a base station communicates with multiple mobile users through a half-duplex channel state information-based amplify-and-forward relay. All nodes are equipped with multiple antennas and the hybrid diversity technique MRT/RAS is employed in both hops. The outage behaviour of the system is investigated by driving closed-form expression for outage probability (OP). In addition, the corresponding lower and upper bounds of the derived OP are obtained. Moreover, the behaviour of the system is studied in high signal-to-noise ratio region by obtaining an error floor value in the presence of CEE as well as achieving diversity and array gains in the absence of CEE. Finally, the analytical results in the presence and absence of the CEEs are verified by the Monte Carlo simulations. Results show that the MRT/RAS scheme enhances the OP significantly and is much more robust to the CEEs in comparison with the single antenna case.
An Overlapped Switched-Beam Antenna Array With Omnidirectional Coverage for 2.4/5.8 GHz Three-Channel MIMO WLAN Applications

In the design of smart antenna, switched-beam technology is widely used to increase the communication capacity and to reduce electromagnetic interference. This letter presents a switched-beam antenna array for the three-channel multiple-input–multiple-output (MIMO) wireless local area network operating in 2.4/5.8 GHz. In the proposed array, there are 12 directional beams, and every four partially overlapped beams form a channel. Thus, the proposed array provides three channels. For each channel, the four antenna elements used to radiate directional beams are rotationally symmetrical. Therefore, for all channels, good omnidirectional coverage is obtained by dynamically switching directional beams. To demonstrate the effectiveness and advantages of the proposed array, a prototype is fabricated and measured. In it, the peak gain of directional radiation reaches 9.5 dB, and the values of the horizontal plane fluctuation for three channels are smaller than 5 dB.
Damage assessment of reinforced concrete columns retrofitted by steel jacket under blast loading

In this study, the damage to a reinforced concrete column retrofitted by steel jacket subjected to blast loading was investigated. Actually, this research is an extensive study of the previous works of the authors. Therefore, some of finite element modeling and validation procedure were adopted. Extensively, the effect of the steel jacket used for retrofitting the reinforced concrete column was evaluated. The effects of scaled distance, axial compressive force, and steel cover plate thickness on the structural performance of the column were investigated and discussed. Moreover, the residual strengths of the column with respect to the different scaled distances were also evaluated. Some useful discussions and recommendations, which may interest structural engineers and researchers, were presented as an important outcome of this research.
An improved method of designing optimum microstrip Rotman lens based on 2D‐FDTD

In this article we propose an efficient method for analysis of microstrip Rotman lens using two‐dimensional finite difference time domain (2D‐FDTD). Both the dielectric and conductor losses are modeled in this method in order to achieve results which are in good agreement with 3D simulation. Using 2D analysis, the required simulation time is reduced considerably, which in turn, enables us to use the proposed analysis method in an optimization procedure. Based on this optimization procedure, we present an improved design of a microstrip Rotman lens in which both the efficiency and also the gain of isotropic antenna array are increased. In this design, the Rotman lens has 5 beam ports and 16 array ports and operates in Ku frequency band.
The Retest on Reliability of Assessing Skeletal Age by China 05RUS-CHN Method

Objective:The reliability of"The Standards of Skeletal Maturity of Hand and Wrist for Chinese-China 05"RUS-CHN method were reexamined in present.Methods:Under the conditions that readers were blinded to the age of the children and sex,the hand and wrist radiographs of 45children(skeletal age 2to 18years)were independently read by 13readers using China 05RUS-CHN method.The radiographs were re-read by same readers 30days later.The percentage agreement in ratings and the differences of skeletal age in repeating were estimated to evaluate the reliability.Results:It was found that intraobserver percentage agreement of ratings were 70.5% to 92.1%(mean 84.3%),and the 95% confidence limits for a single reading were ±0.26year to ±0.49year for China 05 RUS-CHN;b)interobserver percentage agreement of ratings were 69.0% to 83.3%(mean 78.1%),and the 95% confidence limits for a single reading were±0.35year to ±0.56year for China 05RUS-CHN. Conclusions:The present findings suggest that the reliability levels of skeletal age assessment were enhanced with repeatedly training and experience in using China 05RUS-CHN.The percentage agreement in ratings and the systematic and random error of skeletal age assessment should regularly be estimated for increasing quality work of practice.
High‐gain three‐phase current‐fed push–pull DC–DC converter

In this study, a new three-phase current-fed push–pull DC–DC converter with high-gain capability was proposed. The proposed circuit has the advantages of three-phase converters and the push–pull converter circuit, with small volume and a simplified gate drive circuit with switches connected to the same reference. The converter was analysed for operation in continuous and discontinuous conduction modes. The analysis includes a description of the topological stage, theoretical waveforms, deduction of the voltage gains and the expressions for its practical design. To validate the theoretical analysis, a 700 W prototype was built and tested with an input voltage of 40 V, an output voltage of 400 V and a switching frequency of 40 kHz. Despite using a unity transformer turns ratio, the prototype had an experimental gain of ∼10, which makes the proposed converter suitable for applications as renewable energy sources systems.
Clinical Observation of Big Dosage of E-jiao Oral Liquid in Treating Thrombocytopenia of Malignant Tumors Caused by Radiotherapy

Objective To observe the curative effect of E-jiao Oral Liquid in treating peripheral thrombocytopenia of malignant tumors after radiotherapy.Methods 34 cases with malignant tumors,whose hematological toxicity reached Ⅱ～Ⅳ degree and PLT25×10~9/L～50×10~9/L,were divided into Group One receiving big dosage of E-jiao Oral Liquid and Group two without E-jiao Oral Liquid,and clinical observation was made.Results For Group One,peripheral platelet increased greatly after taking big dosage of E-jiao Oral Liquid for 7 days and it became normal with good stability after 21 days,the curative effect was obviously better than that of Group Two.Conclusions Big dosage of E-jiao Oral Liquid has a significant curative effect for peripheral thrombocytopenia of malignant tumors after radiotherapy and can stimulate the regeneration and recovery of PLT.
Experimental Verification of the Impact of Analog CMS on CIS Readout Noise

In this article, the impact of the combination of the column-level gain and the correlated multiple sampling (CMS) on the noise of CMOS image sensor (CIS) readout chains is first analyzed. The theory is then validated experimentally with CIS readout chains embedding two different pixels, a variable gain column-level amplifier (CLA) and a passive switched-capacitor (SC) CMS circuit. The noise measurements include photon transfer curves (PTCs) for different gains and pixels and they show reasonably well that CMS reduces the 1/f noise by about 33% for order 8 as expected theoretically.
The Effect of Health Information Technology on Hospital Quality of Care

The Effect of Health Information Technology on Hospital Quality of Care by Ruirui Sun Advisor: Professor Partha Deb Health Information Technology (Health IT) is designed to store patients records safely and clearly, to reduce input errors and missing records, and to make communications more efficiently. Concerned with the relatively lower adoption rate among the US hospitals compared to most developed countries, the Bush Administration set up the Office of National Coordinator for Health Information Technology in 2006 to mandate the Health IT implementation with $25.9 billion subsidies to eligible hospitals starting 2009. Underlying the huge subsidy is the belief that Health IT can reduce hospital cost by improving efficiency and quality, and can help reduce total health expenditure. Yet researchers from both medical field and economics field have been struggling to find evidence on such implications for years. In my dissertation I conduct empirical analysis to investigate the causal effect of Health IT on US hospitals efficiency and quality, and to examine whether such effects vary across different patient groups or hospital types. The rich study sample consists of two datasets: the 2002-2008 National Inpatient Sample (NIS) and State Inpatient Database (SID) generated by Agency for Healthcare Research and Quality (AHRQ), and the HIMSS Analytics data.