Miracle-dz/UniFAR-FTUs huggingface dataset:
Issues in File Caching and Virtual Memory Paging with Fast SCM Storage

Article history: Received: 09 August, 2020 Accepted: 21 September, 2020 Online: 05 October, 2020 Storage-Class Memory (SCM) like Optane has advanced as a fast storage medium, and conventional memory management systems designed for the hard disk storage need to be reconsidered. In this article, we revisit the memory management system that adopts SCM as the underlying storage medium and discuss the issues in two layers: file caching and virtual memory paging. Our first observation shows that file caching in the SCM storage is profitable only if the cached data is referenced more than once, which is different from the file caching in hard disks, where a single hit is also beneficial. Our second observation in virtual memory paging shows that the page size in the SCM storage is sensitive to the memory system performance due to the influence of memory address translation and storage access cost. Our simulation studies show that the performance of paging systems can be improved by adjusting the page size appropriately considering application characteristics, storage types, and available memory capacities. However, the page size will not be a significant issue in mobile platforms like Android, where applications are killed before the memory space is exhausted, making situations simpler. We expect that the analysis shown in this article will be useful in configuring file caches and paging systems with the emerging SCM storage.
A Study on Synthetic Data Generation Based Safe Differentially Private GAN

The publication of data is essential in order to receive high quality services from many applications. However, if the original data is published as it is, there is a risk that sensitive information (political tendency, disease, ets.) may reveal. Therefore, many research have been proposed, not the original data but the synthetic data generating and publishing to privacy preserve. but, there is a risk of privacy leakage still even if simply generate and publish the synthetic data by various attacks (linkage attack, inference attack, etc.). In this paper, we propose a synthetic data generation algorithm in which privacy preserved by applying differential privacy the latest privacy protection technique to GAN, which is drawing attention as a synthetic data generative model in order to prevent the leakage of such sensitive information. The generative model used CGAN for efficient learning of labeled data, and applied R é nyi differential privacy, which is relaxation of differential privacy, considering the utility aspects of the data. And validation of the utility of the generated data is conducted and compared through various classifiers.
The Adsorption of Lysozyme to Hydrophilic Silicon Oxide Surfaces: Comparison between Experimental Data and Models for Adsorption Kinetics

The adsorption of lysozyme onto silicon oxide surfaces was investigated using in situ ellipsometry. Both the adsorption kinetics and the desorption upon rinsing with buffer were followed and the experimental data obtained were compared to models for adsorption kinetics. The effects of concentration, time of adsorption, and ionic strength were studied. The adsorbed amount reached a semiplateau within an hour of adsorption and only partial desorption was observed upon rinsing. The adsorption was found to be affected by the ionic strength and the following parameters were seen to increase in buffers of low ionic strength; the amount adsorbed, the rate of initial adsorption, and the amount adsorbed irreversibly after rinsing with buffer. The amount adsorbed after 1 h did not reach a plateau within the concentration range investigated, in spite of reaching levels above monolayer coverage. The fraction adsorbed irreversibly increased during the time interval studied (1 h). The experimental data could be fitted to a model involving lysozyme adsorbed in three states. These include molecules adsorbed reversibly to the surface, models adsorbed irreversibly to the surface, and molecules adsorbed in a second layer. The second layer was considered to adsorb irreversibly to the molecules in the first layer. Furthermore, the rate constants were dependent on the surface coverage and the model allowed for exchange between adsorbed molecules and those in solution.
Motion Function Transformation and Control of Amphibious Robot Based on 4D Printing

： The propulsion structure of traditional amphibious robot usually superimposes the land motion structure and the water motion structure, which leads to the complicated mechanical structure of the whole robot and increases the difficulty of control. A wheel-propeller compound propulsion structure consisting of a hub and blades with thermal deformation responsiveness is designed and fabricated based on 4D printing technology. The structure realizes the motion transformation from land to water by the thermal stimulation deformation response, which substantially reduces the complexity of the propulsion structure of the amphibious structure. In addition, the influence of geometric parameters and input power on the deformation rate of the blade structure are analyzed to realize the controllable deformation, which reduces the difficulty of motion control of the robot. Prototype tests show that the amphibious robot prepared by 4D printing technology possesses the capability of motion transformation and control from land to water while reducing the structural complexity and control difficulty.
Dynamic Self-Assembly Induced Rapid Dissolution of Cellulose at Low Temperatures

Cellulose can be dissolved in precooled (−12 °C) 7 wt % NaOH−12 wt % urea aqueous solution within 2 min. This interesting process, to our knowledge, represents the most rapid dissolution of native cellulose. The results from 13C NMR, 15N NMR, 1H NMR, FT-IR, small-angle neutron scattering (SANS), transmission electron microscopy (TEM), and wide-angle X-ray diffraction (WAXD) suggested that NaOH “hydrates” could be more easily attracted to cellulose chains through the formation of new hydrogen-bonded networks at low temperatures, while the urea hydrates could not be associated directly with cellulose. However, the urea hydrates could possibly be self-assembled at the surface of the NaOH hydrogen-bonded cellulose to form an inclusion complex (IC), leading to the dissolution of cellulose. Scattering experiments, including dynamic and static light scattering, indicated that most cellulose molecules, with limited amounts of aggregation, could exist as extended rigid chains in dilute solution. Further, the cellu.
Analysis of E-commerce Ranking Signals via Signal Temporal Logic

The timed position of documents retrieved by learning to rank models can be seen as signals. Signals carry useful information such as drop or rise of documents over time or user behaviors. In this work, we propose to use the logic formalism called Signal Temporal Logic (STL) to characterize document behaviors in ranking accordingly to the specified formulas. Our analysis shows that interesting document behaviors can be easily formalized and detected thanks to STL formulas. We validate our idea on a dataset of 100K product signals. Through the presented framework, we uncover interesting patterns, such as cold start, warm start, spikes, and inspect how they affect our learning to ranks models.
Statistical copolymers of methyl methacrylate and 2‐methacryloyloxyethyl ferrocenecarboxylate: Monomer reactivity ratios, thermal and electrochemical properties

Statistical copolymers of methyl methacrylate (MMA) with 2-methacryloyloxyethyl ferrocenecarboxylate (MAEFC) were prepared by free radical polymerization. The reactivity ratios were estimated using the Fineman-Ross, inverted Fineman-Ross, Kelen-Tudos, and extended Kelen-Tudos graphical methods. Structural parameters of the copolymers were obtained by calculating the dyad monomer sequence fractions and the mean sequence length. The glass-transition temperature (T g ) values of the copolymers were measured and examined by means of several theoretical equations, allowing the prediction of these T g values. The thermal degradation behavior of the copolymers was also studied and compared with the respective homopolymers. Cyclic voltammetry was employed to study the electrochemical properties of the copolymers.
Models of technical systems management for the forest fire prevention

Today, in Ukraine and in the world, despite the rapid development of science and technology, there is a problem of developing as well as improving and adapting information, organizational and technical systems capable of preventing forest fires. The object of the study is the process of identification and formation the parameters of safety­oriented management of technical systems of forest fire prevention. Purpose. To develop new approaches to the safety­oriented project management of technical systems of forest fire prevention, and their modeling, based on the principles of system analysis. Methodology. Using the general scientific principles and fundamental provisions of the project management methodology, including system analysis, modeling tools, proactive and reactive management mechanisms, we form a triad of creating the con­ cept of designing a portfolio of technical systems for environmental protection against forest fires. findings. A conceptual triad of model­scheme of formation of the portfolio of projects of technical systems for protection of environment from forest fires is presented. A cybernetic model of the “black box” for decision making management during the implementation of the project of the technical system of forest fire prevention is adapted; the impact of factors that may occur under the influence of turbulent internal and external environment on the project is described. A safety­oriented model of project management of the technical system of forest fire prevention is developed, which is characterized by the presence of sub­phases of the life cycle, which are critical places of the project, have their own time frame of operation and resource consumption. originality. The model of safety­oriented project management of the technical system of forest fire prevention is developed and subphases in the basic phases of the project life cycle are identified. The developed models are adapted for use in different countries because they are formed in accordance with international standards for project, programs and portfolio of projects management P2M, PmBok, PRINCE2, AGILE, KANBAN. Practical value. It is possible to use the obtained results in the practical activities of project, operational and management teams of authorities, emergency services and managers in the formation of national projects to prevent forest fires.
Cultivating Social Science Research in Vietnam: A Case of Collaboration between a Private Research Institute with International and Domestic Research Entities

Developing research groups within universities and science-technology institutions is one topic that gained a special interest in recent times. In this article, we will present our experience of building a research team in the field of Social Science at EdLab Asia Educational Research and Development Centre (EdLab Asia), a young research institute which achieved several initial results after one year of establishment: 14 published works in the journals from Clarivate WOS and Scopus list, between the time from Sept 2019 to Sept 2020. This article will present the goals, strategies, structure, and operating principles of EdLab Asia. Policy implications for universities and sciencetechnology institutions in educational science in particular, and social science in general will be mentioned at the end of this article.
High-Reliability Wireless Packaging for High-Temperature SiC Power Device Sintered by Novel Organic-Free Nanomaterial

This article presents a wireless packaging design for SiC power device, which displays low induction, good thermal management performance, and excellent high-temperature reliability. A novel organic-free nanomaterial fabricated by ultrafast pulsed laser deposition (PLD) is employed as the bonding material for both die attach and die top. With <inline-formula> <tex-math notation="LaTeX">$t_{\text {on}} =20$ </tex-math></inline-formula> s and <inline-formula> <tex-math notation="LaTeX">$\Delta T_{J} =200$ </tex-math></inline-formula> K, longtime power cycling tests were performed to evaluate the high-temperature reliability of the packaging, and 11 500 cycles were achieved before failure. The Cu ribbon bonded by the nanomaterial eliminated hot spot on the die top and facilitated heat dissipation, which improved thermal management performance of this packaging. Failure analysis and simulation indicate that thermal stress in the interconnection layer is considered as the primary failure mode under high-temperature operation.
Source Localization with Feedback Beamforming

State-of-the-art array processing methods, ranging from high-order statistics to adaptive configuration, require costly computing efforts in pursuit for spatial performance improvement. A feedback based approach is introduced in the context of localization, featuring low complexity and high spatial performance in the excess of integrating a transmitter to the array. In the proposed scheme, a signal is continuously re-transmitted between the array and the target of interest. Considering ideal scenarios, the feedback beamformer virtually achieves an infinite aperture, increasing the available spatial information about the target and significantly improves the array's spatial performance. Using a traditional beamforming performance analysis, the beamwidth, peak to side-lobe ratio, array directivity and white noise sensitivity are evaluated for the feedback based array. A significant improvement in all aspects is shown, while thoroughly discussing the conditions for enhanced performance. As a practical and robust implementation of the feedback-based localization concept, an application of low estimation errors sensitivity, is presented and analyzed.
An efficient way to reduce graphene oxide by water elimination using phosphoric acid

This study concerns the synthesis of high-quality graphene by the water elimination reaction in the presence of phosphoric and sulfuric acid (H3PO4–G and H2SO4–G). Graphene was synthesized via a single-step efficient reduction method which is not yet found in the literature. This new method is called the acidic method and offers significant advantages, such as absence of toxic products, ease of purification and a high-quality graphene yield. Graphene formation from graphene oxide (GO) was verified by the use of Fourier transform infrared spectroscopy (FT-IR), raman spectroscopy, X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). Thermal properties and the surface morphology of the graphene obtained were elucidated by the use of thermogravimetric analysis (TGA) and transmission electron microscopy (TEM). H3PO4–G prepared by this method was observed to have a very high conductivity value of 3860 S m−1 and a low capacitance value of 114 F g−1 cm2. The capacitance and conductivity values of graphene samples obtained with the conventional method by the use of sodium borohydride (NaBH4–G) as a reducing agent were compared with those obtained with the acidic reduction method. It was seen that the acidic reduction method showed promising features for the production of high-quality graphene and its applications.
Enhanced Degradation of Lactide-co-Glycolide Polymer with Basic Nucleophilic Drugs

The purpose of this study was to examine the degradative effect of weakly basic nucleophilic drugs on a lactide-co-glycolide (PLGA) polymer in a microsphere formulation. Biodegradable PLGA microspheres of two second-generation atypical antipsychotics, Risperidone and Olanzapine, were manufactured using a solvent extraction/evaporation technique. The effect of drug content, buffer pH and temperature on polymer molecular weight and degradation, were examined via a series of experiments and compared against a control (Placebo PLGA microspheres). In comparison to Placebo microspheres, significant polymer molecular weight reduction was observed upon encapsulation of varying levels of either Risperidone or Olanzapine. There was excellent correlation between the extent of molecular weight reduction during manufacture and the amount of encapsulated drug in the microspheres. Subsequent studies on polymer degradation showed: the following (a) the Placebo and Olanzapine microspheres followed pseudo first order kinetics, (b) Risperidone microspheres exhibited biphasic degradation profiles, and (c) polymer degradation was dependent on temperature, not pH. The findings of these studies show that encapsulation of weakly basic nucleophile type drugs into PLGA can accelerate the biodegradation of the PLGA and have major implications on the design of polymeric microsphere drug delivery systems.
A Meloidogyne graminicola Pectate Lyase Is Involved in Virulence and Activation of Host Defense Responses

Plant-parasitic nematodes secrete an array of cell-wall-degrading enzymes to overcome the physical barrier formed by the plant cell wall. Here, we describe a novel pectate lyase gene Mg-PEL1 from M. graminicola. Quantitative real-time PCR assay showed that the highest transcriptional expression level of Mg-PEL1 occurred in pre-parasitic second-stage juveniles, and it was still detected during the early parasitic stage. Using in situ hybridization, we showed that Mg-PEL1 was expressed exclusively within the subventral esophageal gland cells of M. graminicola. The yeast signal sequence trap system revealed that it possessed an N-terminal signal peptide with secretion function. Recombinant Mg-PEL1 exhibited hydrolytic activity toward polygalacturonic acid. Rice plants expressing RNA interference vectors targeting Mg-PEL1 showed an increased resistance to M. graminicola. In addition, using an Agrobacterium-mediated transient expression system and plant immune response assays, we demonstrated that the cell wall localization of Mg-PEL1 was required for the activation of plant defense responses, including programmed plant cell death, reactive oxygen species (ROS) accumulation and expression of defense-related genes. Taken together, our results indicated that Mg-PEL1 could enhance the pathogenicity of M. graminicola and induce plant immune responses during nematode invasion into plants or migration in plants. This provides a new insight into the function of pectate lyases in plants-nematodes interaction.
Calcium Effects on Acetic Acid Toxicity in Rice

Recent soil‐management practices such as no‐tillage and minimal tillage, when applied to the irrigated rice crop, promote changes in soil composition as a result of anaerobic degradation of organic matter. Several short‐chain organic acids are formed, such as acetic acid. The objective of this work was to determine the effect of calcium (Ca) on plant development under stress by acetic acid toxicity. The experiment was conducted in hydroponics by testing different Ca (0.2, 1.0, and 5.0 mmol L−1) and acetic acid (0 and 2.5 mmol L−1) concentrations. The variables evaluated were the root system morphological parameters (total length, radius, area, dry‐matter weight, and main root growth), shoot parameters (shoot dry matter, plant height), and concentration and total accumulated nitrogen (N), phosphorus (P), potassium (K), Ca, and magnesium (Mg) in the plants. The growth of the root system and the shoots of rice plants were not affected by the addition of Ca to the treatments containing acetic acid.
The Impact of the Workflow Re-Engineering of Outpatient Operation In a Hospital Pharmacy: A New Model with Advanced Screening by Pharmacist.

Objective: The primary objective of this study is to investigate the impact on pharmacists’ pre-prescription vetting advanced screening on the effectiveness of identifying drug-related problems (DRPs). The aim is to evaluate the impact of the pharmacists’ pre-vetting advanced screening on the enhancement of dispensing workflow and to reduce unnecessary uplication of effort in the dispensing procedures. Methods: This is a prospective interventional cohort study, with a control group, carried out in United Christian Hospital Hong Kong. In the control arm, all prescriptions were processed according to the standard procedures from 19th June to 06th July 2020. In the intervention arm, it involved a workflow re-engineering having two clinical pharmacists to screen the rescriptions and to perform clinical checking before the data entry process from 05th June to 18th June 2020. A standardised checklist was used to guide the clinical checking. The number of prescriptions with potential DRPs requiring clarification, identified at different stages, were compared between the intervention and control arms. Results: In the control group, 152 interventions were made with 56% of them were made in the vetting stage by dispensers and 44% of interventions were made at the checking and issuing stages by pharmacists or senior dispensers. In the intervention group, a total of 216 interventions were captured with 76% of interventions were made by pharmacists at the early dispensing stage before data entry. Conclusion: Workflow re-engineering having clinical pharmacists to screen the prescriptions and to perform clinical checking before the data entry process could provide an effective way to detect drug-related problems at early stages of the hospital pharmacy dispensing process.
A New Record of Prionospio depauperata (Annelida: Polychaeta: Spionidae) with DNA Barcoding Data of Four Prionospio Species in South Korea

In this study, Prionospio depauperata Imajima, 1990 is newly reported in Korean fauna. Prionospio depauperata can be distinguished from other relatives by the four pairs of branchiae which are pinnate on chaetigers 2 and 5, and apinnate on chaetigers 3 and 4; caruncle extending to the end of chaetiger 2; and moderate dorsal crest present on chaetigers 7-13. The morphological diagnosis of P. depauperata are provided with the photographs of four Prionospio species. The mitochondrial cytochrome c oxidase subunit 1 (CO1), 16S ribosomal DNA (16S rDNA), and the nuclear 18S ribosomal DNA (18S rDNA) sequences of four Prionospio species from Korean waters, P. depauperata Imajima, 1990, P. japonica Okuda, 1935, P. krusadensis Fauvel, 1929, and P. membranacea Imajima, 1990, were determined for the first time. The inter-specific genetic distances among the congeners of four Prionospio species were 22.3-29.6% in CO1, 10.5-25.0% in 16S rDNA, and 0.3-3.6% in 18S rDNA.