bluuebunny/crossref_metadata_2025 huggingface dataset:
INSPECTION AND QUALITY CHECKING OF CERAMIC CUP USING MACHINE VISION TECHNIQUE: DESIGN AND ANALYSIS
Authors: Mohd Ali Nursabillilah , Karis Mohd Safirin , Ahmad Tarusan Siti Azura , Wong Gao-Jie , Mohd Aras Mohd Shahrieel , Bahar Mohd Bazli , Zainal Abidin Amar Faiz
Published: July 2017

The development of inspection and quality checking using machine vision technique are discussed where the design of the algorithm mainly to detect the sign of defect when a sample product is used for inspection purposes. There are several constraints that a machine need to be improved based on technology used in vision application. CMOS image sensor as well as programming language and open source computer vision library were used in designing the inspection method. Experimental set-up was conducted to test the proposed technique for evaluate the effectiveness process. The experimental results were obtained and represented in graphical and image processing form. Besides, analysis and discussion were made according to obtained results. The proposed technique is able to perform the inspection process using good and defect ceramic cup based on detection technique. Moreover, based on the analysis gathered, the proposed technique able to differentiate between good and defect ceramic cup. The result shows that there is a difference frequency by 236 which is 2% of total value in pixels frequency. The frequency indicated as pixel frequency of image using histogram method based on scaled value of image.
IMPLEMENTATION OF ROBUST COMPOSITE NONLINEAR FEEDBACK FOR ACTIVE FRONT STEERING BASED VEHICLE YAW STABILITY
Authors: Che Hasan Mohd Hanif , Md Sam Yahaya , Aripin Muhamad Khairi , Harun Mohamad Haniff , Mohamad Syahrul Hisham
Published: July 2017

In this paper, Robust Composite Nonlinear Feedback (CNF) was implemented on Active Front Steering (AFS) vehicle system for yaw stability control. In this control system, the main objective is to get excellent transient response of vehicle yaw rate and at the same time resist to side wind disturbance. To cater unknown constant disturbance, non-integral function for Robust CNF version is used. Meanwhile for vehicle model, 7 degree of freedom vehicle body with Pacejka Tire formula model for typical passenger car is used to simulate controlled vehicle. The computer simulation by Matlab software is performed to evaluate the system performance in J-Turn and Single sine steer with magnitude from 1 to 3.1 degree with additional 400 Nm external side wind disturbance. By using typical Proportional Integration and Derivative (PID) control auto-tuned by Matlab as comparison, the new designed controller demonstrates higher capability to track reference signal faster and having minimal tracking error during disturbance occur where having less than 0.01 degree compared 0.22 degree by PID. The Robust CNF based designed control system is able to compensate disturbance effect efficiently and also has super-fast tracking as classical CNF.
MODIFIED-PID CONTROL WITH FEEDFORWARD IMPROVEMENT FOR 1-DEGREE-OF-FREEDOM PNEUMATIC MUSCLE ACTUATED SYSTEM
Authors: Chong Shin-Horng , Chan Chun-Yuan , Sato Kaiji , Sakthivelu Vasanthan , Loh Ser-Lee
Published: July 2017

attention due to the favorable advantages that PMA has to offer such as inherent compliant safety, compactness, dust-resistant and powerful, especially for rehabilitation application. However, the highly non-linear phenomenon exhibited by PMA poses a challenge in positioning control of the mechanism. Due to the highly nonlinear properties of the PMA system, it is difficult and challengeable to model the system accurately. Many advanced controls have been proposed, however, majority of them requires accurate model parameters for the design and/ or deep understanding of control theory. Therefore, this research aims to highlight a practical and simple control framework capable of providing ameliorated compensation towards the non-linearities in a PMA positioning system. The proposed controller is a combination of a modified PID control incorporated with a model-based feed-forward element. The modified PID control is cascaded with a modeled-nonlinear function and a linearizer that works to compensate the influence of the nonlinearities. The design procedure of the proposed control remains simple and none of the known parameter is required. The proposed controller is verified experimentally using the constructed testbed â€“ 1DOF PMA system; in point-to-point motion that driving in several step heights (5 mm, 10 mm, 20 mm, and 30 mm). At the step height of 30 mm, the proposed control has demonstrated three times smaller of overshoot and the reduction of 39% of settling time as compared with the conventional PID control. Overall, the experimental results show that the proposed controller is capable of demonstrating a satisfactory transient, with better overshoot reduction characteristic and faster settling time; and robust performance under default and in the presence of the change of load, in comparison with the conventional PID control.Â
PRELIMINARY STUDY ON THE SOUND ABSORPTION BEHAVIOR OF SPENT TEA LEAVES FILLED WITH NATURAL RUBBER LATEX BINDER
Authors: Wong Kylie , Ahsan Qumrul , Putra Azma , Subramonian Sivarao , Mohd Nor Mohd Jailani
Published: July 2017

Nowadays, sound control has been regarded as one of the important requirements for human comfort. For an instance, control of room acoustic enables the room to achieve a good auditive environment for effective speech deliverance and presentations. Synthetic fibers such as glass wool fiber are commonly used for sound absorption. Over the years, it was discovered that synthetic fibers are expensive and possess potential hazard to environment and human health. Therefore, growing attention has been turned to natural fibers as an alternative to synthetic fibers. This paper demonstrates the feasibility of spent tea leaf (STL) fiber as an eco-friendly sound absorbing material. STL fiber is a by-product which was extracted from tea plant. It is unique with fresh aroma and rich in phenolic extractive content. Three different grades of STL fiber were studied and the acoustic property was analyzed in terms of sound absorption coefficient (SAC). Results showed that all the samples obtained maximum SAC above 0.70 at frequency range of 1993-3861 Hz. Furthermore, it was found that finest STL fiber grade exhibits better acoustic performance among others with a maximum SAC of 0.88 at 1993 Hz. Besides, the effect of latex binder on the acoustic property of STL fiber was also analyzed. Results suggest that the types of latex binder did not influence the acoustic performance of STL fiber. The overall results indicate that STL fiber can be a promising environment-friendly sound absorbing material.
PERFORMANCE ANALYSIS BETWEEN KEYPOINT OF SURF AND SKIN COLOUR YCBCR BASED TECHNIQUE FOR FACE DETECTION AMONG FINAL YEAR UTEM MALE STUDENT
Authors: Karis Mohd Safirin , Mohd Ali Nursabillilah , Mohd Saad Wira Hidayat , Zainal Abidin Amar Faiz , Ismaun Nazurah , Abd Aziz Munawwarah
Published: July 2017

This project presents an analysis of development out-of-plane of face detection using Speeded-Up Robust Feature (SURF) and skin colour of YCbCr colour-based technique. The technique of SURF method and skin colour of YCbCr was explored in order to compare the performances in terms of time response. The significant difference can be seen with an extraction of feature point followed by matching it using SURF technique whereas skin colour of YCbCr colour extract the skin region. It is discovered that the skin colour of the respondent does not give any impact on the result. The outcome is presented using MATLAB 2013a software. To determine the response of both technique in detecting the face area, out-of-plane captured images is varied and chosen randomly from 0Â°, 45Â° and 90Â°. The outcome shows that SURF technique can detect the SURF feature point in different angles, but the matching point cannot discover if the images in 45Â° and 90Â°. In contrast, the skin colour of YCbCr can spot the present of face despite its angle. Through the project analysis, the respondentsâ€™ tone of skin colour does not affect the result of both techniques. Overall, SURF technique gives an impact in face detection if the angle of the images is being varied. Different angles are applied in this technique in order to vary the result of out-of-plane. The number of key feature for image 2 is the highest due to variation of angles from 90Â°, 45Â° and 0Â° in corresponding.
INFLUENCE OF SONICATION ASSISTED DISPERSION METHOD ON THE MECHANICAL AND ELECTRICAL PROPERTIES OF NYLON 66/NANO-COPPER NANOCOMPOSITE
Authors: Shueb Mohammed Iqbal , Abd Manaf Mohd Edeerozey , Thevy Ratnam Chantara , Mohamad Noraiham
Published: July 2017

Nylon 66 is a well known engineering polymer with excellent mechanical and thermal properties. However, its poor electrical conductivity restricts its application for conductive material. In this study, nano-copper particles are added into nylon 66 polymer matrix to enhance the electrical conductivity value of the nanocomposite. Sonication assisted dispersion method was used to achieve well dispersed nanomaterials through reasonable exfoliation of the nano-copper particles in the nylon 66 polymer. The impact of sonication on the mechanical performance and the electrical conductivity of nanocomposite were evaluated. The sonication was found to effectively reduce agglomeration of nano-coppers in nylon 66, and improved both mechanical performance and electrical conductivity of the nanocomposite. Irrespective of the nano-copper amount, nanocomposite with sonication-treated nano-copper consistently showed higher hardness and impact strength than nanocomposite without sonication. The electrical conductivity increased by two orders of magnitude from 10-15 to 10-13 for the nanocomposite added with sonication-treated nano-copper compared to that without sonication treatment.
MECHANICAL PROPERTIES AND CUTTING PERFORMANCE OF ELECTROLESS TERNARY NI-W-P COATED CUTTING TOOLS
Authors: Abdul Aziz Mohd Sanusi , Redzuwan Bahrin Ikram , Zaimi Muhammad , Izamshah Raja , Kasim Mohd Shahir , Md Ali Mohd Amran , Mizobuchi Akira , Ishida Tohru
Published: July 2017

This paper presents a new approach of electroless nickel deposition (END) on cutting tools as to enhance tool performance. END involves several reactions in aqueous solution and is performed without using electrical power. The cutting performance of electroless ternary Ni-W-P alloy-coated cutting tools that were prepared in plating baths with different pH levels and with the addition of heat treatment was investigated. The cutting tool life was evaluated during machining on AISI D2 steel followed by measurement of surface roughness. Experimental results showed that END cutting tools produced from a plating bath with a pH of 8.5 with heat treatment resulted in the longest tool life, which was 7 minutes 32 seconds, and the lowest surface roughness, which was 0.412 Î¼m. High deposition rate and high thickness of coating obtained under such pH condition were found to be the main factors in enhancing tool life. Furthermore, the addition of heat treatment increases the hardness and improves the coating surface.
THE EFFECT OF ALKALINE TREATMENT AND FIBER LENGTH ON PINEAPPLE LEAF FIBER REINFORCED POLY LACTIC ACID BIOCOMPOSITES
Authors: Ramli Siti Nur Rabiatutadawiah , Md. Fadzullah Siti Hajar Sheikh , Mustafa Zaleha
Published: July 2017

The awareness of natural fibers as alternative materials to synthetic fibers in composite applications have increased briskly due to lightweight, non-toxic, low cost and abundantly available. To-date, there are still limited works on fully biodegradable composites also known as biocomposites, especially using long pineapple leaf fiber (PALF) reinforced poly lactic acid biocomposites. Thus, this study presents an investigation of the effects of alkaline treatment and use of different fiber length on the mechanical performance of pineapple leaf fibers reinforced poly lactic acid, biocomposites. Flexural testing was conducted via ASTM D790. The results showed enhancement in flexural properties of the biocomposites when the PALF fibers were treated with alkaline treatment, suggesting an effect of improving mechanical interlocking between matrix and reinforcement due to rougher fiber surface. The flexural strength and modulus of long treated fibers increased from 56.47 MPa and 4.24 GPa to 114.03 MPa and 5.70 GPa respectively compared to long untreated fibers. Â In addition, the effect of fiber length is also proven to affect the overall performance of the biocomposites, in which the long PALF fiber composites exhibit superior flexural properties to those of the short fiber reinforced PLA biocomposites, i.e. flexural modulus of 5.7 GPa and 0.22 GPa for the long fiber composites and short fiber composites respectively. The existence of sodium hydroxide, (NaOH) on PALF fibers were confirmed by FTIR analysis. Surface morphology of both untreated and treated samples was studied by using a scanning electron microscope (SEM). Results from both analyses suggest removal of lignin and hemicellulose on the alkaline-treated PALF fiber reinforced composites led to a rougher fibers surface and formed a better fiber-matrix adhesion, as reflected in the flexural properties of the biocomposites as reported above.
EFFECT OF VOLTAGE ON TIO2 NANOTUBES FORMATION IN ETHYLENE GLYCOL SOLUTION
Authors: Ismail Syahriza , Khairul Khairil Azwa , Nor Hisham Nurul Asyikin Ahmad , Mamat Md Shuhazlly , Azam Mohd Asyadi
Published: July 2017

The crystalline phase of the TiO2 nanotubes without further heat treatment were studied. The TiO2 nanotube arrays were produced by anodization of Ti foil at three different voltage; 10, 40, and 60 V in a bath with electrolytes composed of ethylene glycol (EG), ammonium fluoride (NH4F), and hydrogen peroxide (H2O2). The H2O2 is a strong oxidizing agent which was used as oxygen provider to increase the oxidation rate for synthesizing highly ordered and smooth TiO2 nanotubes. Anodization at voltage greater than 10 V leads to the formation of tubular structure where higher anodization voltage (~ 60 V) yield to larger tube diameter (~ 180 nm). Crystallinity of the nanotubes is improved as the voltage was increased. The transformation of amorphous to anatase can be obtained for as anodized TiO2 without any heat treatment. The Raman spectra results show the anodization at 40 V and 60 V gives anatase peak in which confirms the crystalline phase. The stabilization of the crystalline phase is due to the oxygen vacancies and ionic mobilities during the anodization at high voltage.Â
Reviewer Acknowledgements
Authors: Walter Andrew
Published: July 2017

Studies in Engineering and Technology (SET) would like to acknowledge the following reviewers for their assistance with peer review of manuscripts for this issue. Many authors, regardless of whether SET publishes their work, appreciate the helpful feedback provided by the reviewers. Their comments and suggestions were of great help to the authors in improving the quality of their papers. Each of the reviewers listed below returned at least one review for this issue.Reviewers for Volume 4, Number 1António Calha, Polytechnic Institute of Portalegre, PortugalCarmen Pérez-Sabater, Universitat Poltècnica de València, SpainCélio Gonçalo Marques, Polytechnic Institute of Tomar, PortugalDeborah Christine Robinson, University of Derby, UKElena Jerves, University of Cuenca, EcuadorEnisa Mede, Bahcesehir University, TurkeyEsra DERELİ-Eskişehir Osmangazi University, TurkeyEsra DERELİ-Eskişehir Osmangazi University, TurkeyIntakhab Khan, King Abdulaziz University, Saudi ArabiaJohn Cowan, Edinburgh Napier University, UKLisa Marie Portugal, Grand Canyon University, USALorna T. Enerva, Polytechnic University of the Philippines, PhilippinesM. Emin Türkoğlu, Afyon Kocatepe University, TurkeyMarcie Zaharee, The MITRE Corporation, USAMeral Seker, Alanya Alaaddin Keykubat University, TurkeyMustafa Çakır, Marmara Üniversity, TurkeyNerina Fernanda Sarthou, Univ. Nacional del Centro de la Provincia de Buenos Aires, ArgentinaNicole Celestine, The University of Western Australia, AustraliaNiveen M. Zayed, MENA College of Management, JordanPirkko Siklander, University of Lapland, FinlandRichard Penny, University of Washington Bothell, USARui Manuel Carreteiro, National Institute of Psychology and Neurosciences, PortugalSamad Mirza Suzani, Islamic Azad University, IranYalçın Dilekli, Aksaray University, Turkey    Andrew WalterEditorial AssistantStudies in Engineering and Technology-------------------------------------------Redfame Publishing9450 SW Gemini Dr. #99416Beaverton, OR 97008, USATel: 1-503-828-0536 ext. 504Fax: 1-503-828-0537E-mail: set@redfame.comURL: http://set.redfame.com
Differential effects of late gestation maternal overnutrition on the regulation of surfactant maturation in fetal and postnatal life
Authors: Lock Mitchell C. , McGillick Erin V. , Orgeig Sandra , McMillen I. Caroline , Mühlhäusler Beverly S. , Zhang Song , Morrison Janna L.
Published: July 2017

Key points

Offspring of overweight and obese women are at greater risk for respiratory complications at birth.

We determined the effect of late gestation maternal overnutrition (LGON) in sheep on surfactant maturation, glucose transport and fatty acid metabolism in the lung in fetal and postnatal life.

There were significant decreases in surfactant components and numerical density of surfactant producing cells in the alveolar epithelium due to LGON in the fetal lung. However, there were no differences in the levels of these surfactant components between control and LGON lambs at 30 days of age.

The reduced capacity for surfactant production in fetuses as a result of LGON may affect the transition to air breathing at birth.

There was altered glucose transport and fatty acid metabolism in the lung as a result of LGON in postnatal life. However, there is a normalisation of surfactant components that suggests accelerated maturation in the lungs after birth.

With the increasing incidence of obesity worldwide, the proportion of women entering pregnancy overweight or obese has increased dramatically. The fetus of an overnourished mother experiences numerous metabolic changes that may modulate lung development and hence successful transition to air breathing at birth. We used a sheep model of maternal late gestation overnutrition (LGON; from 115 days’ gestation, term 147 ± 3 days) to determine the effect of exposure to an increased plane of nutrition in late gestation on lung development in the fetus (at 141 days’ gestation) and the lamb (30 days after birth). We found a decrease in the numerical density of surfactant protein positive cells, as well as a reduction in mRNA expression of surfactant proteins (SFTP‐A, ‐B and ‐C), a rate limiting enzyme in surfactant phospholipid synthesis (phosphate cytidylyltransferase 1, choline, α; PCYT1A), and glucose transporters (SLC2A1 and SLC2A4) in the fetal lung. In lambs at 30 days after birth, there were no differences between Control and LGON groups in the surfactant components that were downregulated in the LGON fetuses. However, mRNA expression of SFTP‐A, PCYT1A, peroxisome proliferator activated receptor‐γ, fatty acid synthase and fatty acid transport protein were increased in LGON lambs compared to controls. These results indicate a reduced capacity for surfactant production in late gestation. While these deficits are normalised by 30 days after birth, the lungs of LGON lambs exhibited altered glucose transport and fatty acid metabolism, which is consistent with an enhanced capacity for surfactant synthesis and restoration of surfactant maturity in these animals.
Effects of photoperiod, thermoperiod, and salt stress on Gymnocarpos decandrus seeds: potential implications in restoration ecology activities
Authors: Bhatt Arvind , Santo Andrea
Published: July 2017

Gymnocarpos decandrus Forssk. (Caryophyllaceae) is a perennial plant widely used for its ability to protect the soil from erosion. The aim of this study was to evaluate the effects of salt stress on its seed germination, with the potential objective to sow seeds instead of planting adult individuals in salt-damaged areas, which would greatly reduce the economic costs of ecological restoration activities. Germination tests were conducted under two photoperiods and three thermoperiods, and with several concentrations of NaCl. The ability of seeds to recover their germinability after salt exposure was also evaluated. The highest rates of germination occurred at 20/30 °C in the light, but no seed germinated in the salt substrate. When exposed to NaCl, only a few seeds (no more than 20%) recovered their germinability and only at the lowest salinity, indicating that this species is highly glycophytic. The inability of its seeds to germinate in saline soils or to successfully recover from exposure to NaCl shows that G. decandrus may be used in rehabilitation programs of degraded lands in arid regions, but only when planting adult plants. Our results will help conservation biologists or people involved in ecological restoration activities to avoid the economic waste associated with unsuccessful sowing of G. decandrus seeds in saline soils.
Net-chasing training improves the behavioral characteristics of hatchery-reared red sea bream (Pagrus major) juveniles
Authors: Takahashi Kohji , Masuda Reiji
Published: July 2017

The low return rate of fish released for stock enhancement has often been attributed to hatchery-reared fish having inferior behavioral characteristics. We tried to improve the behavioral characteristic of red sea bream (Pagrus major) juveniles by using a net-chasing treatment. The fish were provided with 2 min of net chasing twice daily for 3 weeks, following which their behavioral characteristics (emergence from a start area, avoidance response to novel stimulus, and foraging following transfer between tanks) were individually tested and compared with a control group. A predator exposure test was then conducted using marbled rockfish (Sebastiscus marmoratus). Net-chased fish exhibited a shorter latency to emergence, a higher avoidance rate, and an earlier foraging time than the control fish, indicating that the net-chasing treatment may improve adaptability for environmental change and alertness to a novel object. The net-chased fish also exhibited a better survival rate than the control fish, with an odds ratio of 6.76. We suggest that net-chasing training represents an easy and efficient method for improving the behavior of fish for stock enhancement.
A compositional framework for reaction networks
Authors: Baez John C. , Pollard Blake S.
Published: July 2017

Reaction networks, or equivalently Petri nets, are a general framework for describing processes in which entities of various kinds interact and turn into other entities. In chemistry, where the reactions are assigned ‘rate constants’, any reaction network gives rise to a nonlinear dynamical system called its ‘rate equation’. Here we generalize these ideas to ‘open’ reaction networks, which allow entities to flow in and out at certain designated inputs and outputs. We treat open reaction networks as morphisms in a category. Composing two such morphisms connects the outputs of the first to the inputs of the second. We construct a functor sending any open reaction network to its corresponding ‘open dynamical system’. This provides a compositional framework for studying the dynamics of reaction networks. We then turn to statics: that is, steady state solutions of open dynamical systems. We construct a ‘black-boxing’ functor that sends any open dynamical system to the relation that it imposes between input and output variables in steady states. This extends our earlier work on black-boxing for Markov processes.
Noether symmetries and anisotropic universe models in f(R, T) gravity
Authors: Sharif M. , Nawazish Iqra
Published: July 2017

This paper investigates the existence of Noether symmetries of some anisotropic homogeneous universe models in non-minimally coupled f(R, T) gravity (R and T represent Ricci scalar and trace of the energy–momentum tensor). We evaluate symmetry generators and the corresponding conserved quantities for two models of this theory admitting direct and indirect non-minimal curvature–matter coupling. We also discuss exact solutions for dust as well as non-dust matter distribution and study the physical behavior of some cosmological parameters through these solutions. For dust distribution, the exact solution corresponds to power-law expansion and Einstein universe while exponential expansion appears for non-dust matter. The graphical analysis of these solutions and cosmological parameters provide consistent results with recent observations about accelerated cosmic expansion. We conclude that Noether symmetry generators and conserved quantities exist for both models.
1 Gbit/s UDP/IP Offload Engine IP Core with PCIe Interface
Authors: Batmaz Burak , Doğan Atakan
Published: July 2017

A significant amount of processor power is required to handle packet processing in high speed data networks and taking it to the hardware helps processor to save its energy for other processes. In this study, an Offload Engine IP core that provides the hardware acceleration of UDP/IP protocol stack together with a few other network protocols is introduced. Furthermore, the IP core is equipped with PCI Express (PCIe) interface so as to communicate with applications running on a host PC. Consequently, a processor core deals with only the data processing, while the IP core takes care of the packet processing as per the protocol. The design and implementation of the IP core are verified and tested on an FPGA board; its area utilization and supported features are compared against several competitive designs from the literature. According to these results, the IP core is proved to be a useful one for those network applications that require a hardware-accelerated network protocol stack.
Technology Scaling Roadmap for FinFET-Based FPGA Clusters Under Process Variations
Authors: Abdelkader Osama , El-Din Mohamed Mohie , Mostafa Hassan , Abdelhamid Hamdy , Fahmy Hossam A. H. , Ismail Yehea , Soliman Ahmed M.
Published: July 2017

The technology scaling impact on FinFET-based Field-Programmable Gate Array (FPGA) components (Flip-Flops and Multiplexers) and cluster metrics is evaluated for technology nodes starting from 20[Formula: see text]nm down to 7[Formula: see text]nm. Power consumption, delay and energy (Power Delay Product, or PDP) trends are reported with FinFET technology scaling. Cluster metrics are then evaluated based on three benchmarking circuits: 2-bit adder, 4-bit NAND and cascaded flip-flops chain. The study shows that power, delay and PDP of the FPGA cluster are improved as we scale down the technology. An example for improvement is that for 7[Formula: see text]nm 2-bit adder, circuit speed is 15% higher than its value at 20[Formula: see text]nm and PDP at 7[Formula: see text]nm is reduced by 43% compared to its value at 20[Formula: see text]nm. The impacts of temperature and threshold voltage variations on FPGA cluster performance are also reported after evaluating a 2-bit adder circuit as a benchmark which is then used to calculate the design constraints to meet 99.9% yield percentage.
Electromagnetic properties of nonstrange Baryons in a nonrelativistic quark model
Authors: Ghalenovi Zahra , Moazzen Masoumeh
Published: July 2017

Masses and magnetic moments of [Formula: see text] and [Formula: see text] resonances are calculated employing the hyperspherical approach. We extend our scheme to obtain the helicity amplitudes and transition magnetic moments of the [Formula: see text] process. We also compute the radiative decay widths and branching ratios of [Formula: see text] baryons. A comparison of our results with the predictions obtained in recent theoretical models is also presented.
Production cross-sections of superheavy elements using nearly double magic nuclei as projectile
Authors: Ansari Ahmad , Ghahramany Nader
Published: July 2017

In our new approach, evaporation residue cross-sections for new superheavy nuclei with atomic numbers [Formula: see text] are estimated by calculation of vital characteristics of superheavy nuclei synthesis such as the fission barrier height, the compound nucleus formation probability and the survival probability of the residue nuclei. Our presented estimation is in good agreement with available experimental data. In addition, this new approach allowed us to predict the evaporation residue cross-sections for superheavy nuclei with [Formula: see text] and 120 via introducing synthesis box and compare our results with other models. It is shown that the fission barrier heights of two nuclei with [Formula: see text] and 120 are comparable with their corresponding neutron separation energies. It is suggested that for the synthesis of new superheavy nuclei, it is proper to use nearly double magic nuclei such as [Formula: see text] as our projectile, so that the fission barrier heights remain high.
AVERAGE GEODESIC DISTANCE OF SIERPINSKI GASKET AND SIERPINSKI NETWORKS
Authors: WANG SONGJING , YU ZHOUYU , XI LIFENG
Published: July 2017

The average geodesic distance is concerned with complex networks. To obtain the limit of average geodesic distances on growing Sierpinski networks, we obtain the accurate value of integral in terms of average geodesic distance and self-similar measure on the Sierpinski gasket. To provide the value of integral, we find the phenomenon of finite pattern on integral inspired by the concept of finite type on self-similar sets with overlaps.
Remarkable Lubricating Effect of Ionic Liquid Modified Carbon Dots as a Kind of Water-Based Lubricant Additives
Authors: Liu Xiang , Huang Zhiyu , Tang Weiwei , Wang Baogang
Published: July 2017

Ionic liquid modified carbon dots (CDs-IL) were successfully synthesized by one-pot pyrolysis. The tribological properties of CDs-IL as a kind of water-based lubricant additive were investigated under four-ball mode. The experimental results demonstrated that the added CDs-IL not only increased load-carrying capacity of base liquid but also displayed remarkable friction-reducing and antiwear properties. At an optimal concentration of 0.05[Formula: see text]wt.% and a proper load of 50[Formula: see text]N, the mean friction coefficient and wear volume reduced by 65% and 60%, respectively. The remarkable lubricating effect of CDs-IL was attributed to the boundary tribofilm formed by absorption and deposition of CDs-IL on rubbing surfaces. The lubricating effect of CDs-IL especially antiwear effect greatly attenuated when the load was lower or higher than 50 N because the function of deposition tribofilm formed by CDs-IL was suppressed by the absorption tribofilm or tribochemical film derived from triethanolamine in base liquid, respectively.
Hydrogen-Induced Damage During the Plasma Etching Process
Authors: Yoon Junho , Lee Jeongyun , Yoo Won Jong
Published: July 2017

As devices scale down, we need to employ higher ion energy in the plasma etching to meet the requirements for critical dimensions. As a result, physical damage can be more severe. Since hydrogen can penetrate deeply into silicon due to its low mass compared to other species, there is a possibility of electrical degradation by deeply penetrated hydrogen. In this study, we demonstrated hydrogen-induced damage from the plasma etching process. Permeated hydrogen from the plasma etching process increases the amount of interface and bulk defects with increasing bias power, resulting in electrical degradation. Improvement of the device performance was possible via process modification using a rapid thermal anneal (RTA) directly after the hydrogen-containing plasma etching process and the hydrogen-free etching process.
Fibrations and higher products in cohomology
Authors: Gorokhovsky Alexander , Xie Zhizhang
Published: July 2017

This paper is a continuation of [2]. Working in the context of commutative differential graded algebras, we study the ideal of the cohomology classes which can be annihilated by fibrations whose fiber has finite homological dimension. In this paper we identify these classes with certain higher products in cohomology.
A DFA-Resistant and Masked PRESENT with Area Optimization for RFID Applications
Authors: Wang Yi , Ha Yajun
Published: July 2017

Radio-Frequency Identification (RFID) tag-based applications are usually resource constrained and security sensitive. However, only about 2,000 gate equivalents in a tag can be budgeted for implementing security components [27]. This requires not only lightweight cryptographic algorithms such as PRESENT (around 1,000 gate equivalents) but also lightweight protections against modern Side Channel Attacks (SCAs). With this budget, the first-order masking and fault detection are two suitable countermeasures to be developed for PRESENT. However, if both countermeasures are applied without any optimization, it will significantly exceed the given area budget. In this work, we optimize area to include both countermeasures to maximize the security for PRESENT within this RFID area budget. The most area-consuming parts of the proposed design are the masked S-boxes and the inverse masked S-boxes. To optimize the area, we have deduced a computational relationship between these two parts, which enables us to reuse the hardware resource of the masked S-boxes to implement the inverse masked S-boxes. The proposed design takes up only 2,376 gates with UMC 65nm CMOS technology. Compared with the unoptimized design, our implementation reduces the overall area by 28.45%. We have tested the effectiveness of the first-order Differential Power Analysis (DPA) and Differential Fault Analysis (DFA) -resistant countermeasures. Experimental results show that we have enhanced the SCA resistance of our PRESENT implementation.
Harmonicity-Aware Task Partitioning for Fixed Priority Scheduling of Probabilistic Real-Time Tasks on Multi-Core Platforms
Authors: Wang Tianyi , Homsi Soamar , Niu Linwei , Ren Shaolei , Bai Ou , Quan Gang , Qiu Meikang
Published: July 2017

The uncertainty due to performance variations of IC chips and resource sharing on multi-core platforms have significantly degraded the predictability of real-time systems. Traditional deterministic approaches based on the worst-case assumptions become extremely pessimistic and thus unpractical. In this article, we address the problem of scheduling a set of fixed-priority periodic real-time tasks on multi-core platforms in a probabilistic manner. Specifically, we consider task execution time as a probabilistic distribution and study how to schedule these tasks on multi-core platforms with guaranteed Quality of Service (QoS) requirements in terms of deadline-missing probabilities. Moreover, it is a well-known fact that the relationship among task periods, if exploited appropriately, can significantly improve the processor utilization. To this end, we present a novel approach to partition real-time tasks that can take both task execution time distributions and their period relationships into consideration. From our extensive experiment results, our proposed methods can greatly improve the schedulability of real-time tasks when compared with existing approaches.
Introduction to the Special Issue on Big Personal Data in Interactive Intelligent Systems
Authors: Cena F. , Gena C. , Houben G. J. , Strohmaier M.
Published: July 2017

This brief introduction begins with an overview of the types of research that are relevant to the special issue on Big Personal Data in Interactive Intelligent Systems. The overarching question is: How can big personal data be collected, analyzed, and exploited so as to provide new or improved forms of interaction with intelligent systems, and what new issues have to be taken into account? The three articles accepted for the special issue are then characterized in terms of the concepts of this overview.
New Results on Short-Range Correlations in Nuclei
Authors: Fomin Nadia , Higinbotham Douglas , Sargsian Misak , Solvignon Patricia
Published: July 2017

Nuclear dynamics at short distances is one of the most fascinating topics of strong interaction physics. The physics of it is closely related to the understanding of the role of the QCD in generating nuclear forces at short distances, as well as of the dynamics of the superdense cold nuclear matter relevant to the interior of neutron stars. The emergence of high-energy electron and proton beams has led to significant recent progress in high-energy nuclear scattering experiments investigating the short-range structure of nuclei. These experiments, in turn, have stimulated new theoretical studies resulting in the observation of several new phenomena specific to the short-range structure of nuclei. We review recent theoretical and experimental progress in studies of short-range correlations in nuclei and discuss their importance for advancing our understanding of the dynamics of nuclear interactions at short distances.
The Social Bases of Philanthropy
Authors: Barman Emily
Published: July 2017

Philanthropy—private giving for public purposes by individuals, corporations, and foundations—is a widespread activity. Scholarship on philanthropy is long-standing and can be traced to competing theorizations of gift-giving, wherein the gift has been framed as a case of altruism, self-interest, or reciprocity. Much of the resulting scholarship, in the disciplines of anthropology, economics, evolutionary biology, and psychology, has retained a focus on emphasizing actors’ motivations for the scope and scale of philanthropy. Although sociologists have entered into the study of philanthropy more recently, they nonetheless have made important contributions to its understanding by drawing attention to the social bases of philanthropy. Sociologists have done so through the study of the micro-, meso-, and macro-level factors that explain variation in philanthropy; the specification of the institutional and legal arrangements that permit philanthropy; and the delineation of the social contexts that shape the direction and consequences of philanthropy.
Phosphorylated mTOR Expression Profiles in Human Normal and Carcinoma Tissues
Authors: Lee Hojung
Published: July 2017

Mammalian target of rapamycin (mTOR) is a key controller of cell growth and proliferation in normal tissues and solid tumors. In the present study, an immunohistochemical analysis of the expression pattern of phosphorylated mTOR (p-mTOR) was performed in human normal fetal and adult tissues and various carcinoma tissues. p-mTOR expression showed tissue and cell type specificity in normal and cancer tissues. In normal fetal and adult tissues, p-mTOR staining was observed in the intestinal crypt, intrahepatic bile ductule, pancreatic duct, distal nephron of the kidney, umbrella cell of urothelium, mesothelial cell, and choroid plexus. In cancer tissues, p-mTOR expression was higher in adenocarcinoma than in other types of cancers, in metastatic cancer than in primary cancer, and in the forefront of the infiltrating cancer cells. These results suggest that p-mTOR is implicated not only in cell proliferation but also in tubular morphogenesis in normal and cancer tissues. In addition, mTOR activation appears to be associated with cancer cell invasion and migration in solid tumors.
Hybrid Microstrip/Slotline Ultra-Wideband Bandpass Filter with a Controllable Notch Band
Authors: Guan Xuehui , Gui Ping , Xiong Tao , Ren Baoping , Zhu Lei
Published: July 2017

An ultra-wideband (UWB) bandpass filter (BPF) with a controllable notch band is presented by using hybrid microstrip/slotline structure. Firstly, a slotline resonator with symmetrically loaded stubs is fed by two microstrip lines to produce a UWB bandpass filtering response. Secondly, a microstrip triangular loop resonator is externally loaded over the slotline, and a notch band is introduced in the UWB passband. The notch band is determined by the perimeter of the loop resonator. Thirdly, two patches are added as the perturbation element to the corners of the microstrip resonator to excite a pair of degenerate modes. Bandwidth of the notch band can be tuned by properly selecting the patch size. Circuit model for the microstrip resonator loaded slotline is given and studied. Finally, the filter is designed, simulated, and measured. Measured results have agreed well with the simulated ones, demonstrating that a UWB filter with a controllable notch band has been realized.
Novel Technique to Overcome the Nonavailability of a Long Needle 9-0 Polypropylene Suture for Sutured Scleral Fixation of the Posterior Chamber Intraocular Lens Using a Single Fisherman’s Knot
Authors: Shin Yong Un , Seong Mincheol , Cho Hee Yoon , Kang Min Ho
Published: July 2017

Purpose. To describe a method to overcome the nonavailability of a long needle 9-0 polypropylene suture for sutured scleral fixation of the posterior chamber intraocular lens (PC-IOL) using a single fisherman’s knot (SFK).Methods. First, a 10-0 polypropylene suture was passed from the sclera to the ciliary sulcus using a long needle. A 9-0 suture was tied to the unpassed portion of the 10-0 suture with an SFK. We pulled the 10-0 suture to pass the SFK through the sclera, and then we cut the knot and removed the 10-0 suture. IOL fixation with 9-0 sutures used the conventional techniques used for sutured scleral-fixated IOL. Preoperative and postoperative visual acuity, corneal astigmatism, and endothelial cell count and intraoperative/postoperative complications were evaluated.Results. An SFK joining the two sutures was passed through the sclera without breakage or slippage. A total of 35 eyes from 35 patients who underwent sutured scleral fixation of the IOL. An intraoperative complication (minor intraocular hemorrhage) was recorded in four cases. Knot exposure, IOL dislocation, subluxation, and retinal detachment were not observed.Conclusions. The SFK offers the opportunity to use 9-0 sutures for the long-term safety and may not require the surgeon to learn any new technique.
Pathoanatomic Risk Factors for Instability and Adjacent Segment Disease in Lumbar Spine: How to Use Topping Off?
Authors: Bredow J. , Löhrer L. , Oppermann J. , Scheyerer M. J. , Sobottke R. , Eysel P. , Siewe J.
Published: July 2017

Purpose. The goal of this review is to identify criteria indicating implantation of hybrid system into lumbar spine and to evaluate general benefits of use. Methods. A systematic review of literature was performed using current randomized clinical trials, reviews, and meta-analyses. Data sources included relevant literature of human studies identified through searches of Medline Library until May 2015. Results. Predisposing factors for Adjacent Segment Disease (ASDi) are discussed in literature: laminar horizontalization, insufficiency of fascia thoracolumbalis, facet tropism, and facet sagittalization. Currently there is no evidence for topping off. There are only 12 studies and these have no consistent statements about use of a hybrid system for avoidance of ASDi. Conclusion. Hybrid instrumentation of lumbar spine, either with pedicle-based technique or additional spacer, might possibly prevent ASDi from developing in previously damaged segment adjacent to a fusion. Good clinical data proving effectiveness of this new implant technique is as yet unavailable. Thus, currently one must speak of an unevaluated procedure. Various radiological classifications can assist in making a reliable decision as to whether hybrid instrumentation is an appropriate choice of therapy. Pathoanatomical conditions of facet joints and laminae as well as preservation of sagittal balance must also be considered.
Durability of Mortar Made with Fine Glass Powdered Particles
Authors: Sales Rosemary Bom Conselho , Sales Fernando Augusto , Figueiredo Enio Pazini , dos Santos White José , Mohallem Nelcy Della Santina , Aguilar Maria Teresa Paulino
Published: July 2017

Different studies investigate the use of waste glass in Portland cement compounds, either as aggregates or as supplementary cementitious materials. Nevertheless, it seems that there is no consensus about the influence of particle color and size on the behavior of the compounds. This study addresses the influence of cement replacement by 10 and 20% of the colorless and amber soda-lime glass particles sized around 9.5 μm on the performance of Portland cement mortars. Results revealed that the partial replacement of cement could contribute to the production of durable mortars in relation to the inhibition of the alkali-aggregate reaction. This effect was more marked with 20% replacement using amber glass. Samples containing glass microparticles were more resistant to corrosion, in particular those made of colorless glass. The use of colorless and amber glass microparticles promoted a reduction in wear resistance.
Pravastatin-Induced Eczematous Eruption Mimicking Psoriasis
Authors: Salna Michael P. , Singer Hannah M. , Dana Ali N.
Published: July 2017

Background. Statins, an example of the most commonly prescribed medications to the elderly, are not without side effects. Dermatologic events are often overlooked as arising from medications, particularly those which are taken chronically. Moreover, elderly patients are prone to pharmacologic interactions due to multiple medications. In this report, we describe a case of a statin-induced eczematous dermatitis with a psoriasis-like clinical presentation and review the skin manifestations that may arise from statin therapy.Case Presentation. An 82-year-old man with gout and hypercholesterolemia presented to dermatology clinic with new onset of pruritic, scaly erythematous plaques bilaterally on the extensor surfaces of his arms. He had never had similar lesions before. Despite various topical and systemic treatments over several months, the rash continued to evolve. The patient was then advised to discontinue his long-term statin, which led to gradual resolution of his symptoms. He was subsequently diagnosed with statin-induced eczematous dermatitis.Conclusions. This case report describes an adverse cutaneous reaction to statins that is rarely reported in the literature. Medications, including longstanding therapies, should be suspected in cases of refractory dermatologic lesions.
Source Term Study on Tritium in HTR-PM: Theoretical Calculations and Experimental Design
Authors: Cao Jianzhu , Zhang Liguo , Xie Feng , Xia Bing , Lam Stephen Tsz Tang
Published: July 2017

The high temperature gas-cooled reactor pebble-bed module (HTR-PM) in China received much attention for its inherent safety performance and high thermal efficiency. The generation mechanism, distribution, reduction route, and release type of tritium (H-3) in HTR-PM are presented with a complete theoretical model. The calculation results indicate the majority of H-3 in the core is generated by the activation reaction of B-10. The activity concentration of H-3 in the primary loop and the specific activity of H-3 in the secondary loop at the operating equilibrium are computed as 3.69 × 106 Bq/m3STPof helium and 4.22 × 104 Bq/kg of water, respectively. The H-3 sampling measurement in HTR-PM has been designed to collect data from the primary coolant, from the liquid waste storage tank, from the secondary coolant, and from the liquid and gaseous effluents, separately. In this paper, the design of H-3 sampling positions in the helium purification system is discussed. The H-3 sampling measurement from the primary helium in HTR-PM has been improved, which can provide reliable activity concentration data of H-3 in the primary loop and supply accurate evaluation for the efficiency of the helium purification system.