bluuebunny/crossref_metadata_2025 huggingface dataset:
Genome-wide Identification of Jatropha curcas MAPK, MAPKK, and MAPKKK Gene Families and Their Expression Profile Under Cold Stress
Authors: Wang Haibo , Gong Ming , Guo Junyun , Xin Hu , Gao Yong , Liu Chao , Dai Dongqin , Tang Lizhou
Published: October 2018

Mitogen-activated protein kinase (MAPK) cascades are fundamental signal transduction modules in all eukaryotic organisms, controlling cell division, growth, development, and hormone signaling. Additionally, they can be activated in response to a variety of biotic and abiotic stressors. Although the evolution and expression patterns of MAPK cascade families have been systematically investigated in several model plants (e.g.,Arabidopsis, rice, and poplar), we still know very little aboutMAPK,MAPKK, andMAPKKKfamilies inJatropha curcas, an economically important species. Therefore, this study performed genome-wide identification and transcriptional expression analysis of these three families inJ. curcas. We identified 12 J. curcas MAPK(JcMAPKs), 5JcMAPKKs, and 65JcMAPKKKs. Phylogenetic analysis classified allJcMAPKsandJcMAPKKsinto four subgroups, whereasJcMAPKKKswere grouped into three subfamilies (MEKK, RAF, and ZIK). Similarities in exon/intron structures supported the evolutionary relationships within subgroups and subfamilies. Conserved motif analysis indicated that allJ. curcasMAPK cascades possessed typical, 200–300 amino-acid protein kinase domains. MAPK cascade genes were presented throughout all 11 chromosomes. Gene duplication analysis suggested that afterJcMAPKandJcMAPKKKdiverged, 3 and 19 tandem duplicates occurred under strong purifying selection. Furthermore, RNA-seq and qRT-PCR analyses revealed that some MAPK cascade genes are predominantly expressed in specific tissues. Moreover, their expression levels significantly increased under cold treatment. Our results should provide insight into the roles of MAPK cascade genes in regulatingJ. curcasstress responses and in hormonal signal transduction. Furthermore, these data have important applications in the genetic improvement ofJ. curcas.
Randomised Clinical Trial for Postoperative Complications after Ex-PRESS Implantation versus Trabeculectomy with 2-Year Follow-Up
Authors: Arimura Shogo , Miyake Seiji , Iwasaki Kentaro , Gozawa Makoto , Matsumura Takehiro , Takamura Yoshihiro , Inatani Masaru
Published: October 2018

We compared complications between Ex-PRESS implantation and trabeculectomy for 2 years after surgery. Sixty-four open-angle glaucoma eyes were randomly assigned to treatment with trabeculectomy (n = 32) or Ex-PRESS implantation (n = 32). The primary outcomes were postoperative complications, including reduction of the endothelial cell density (ECD) of the cornea, cataract progression and the frequency of other late postoperative complications. The Ex-PRESS group had significantly greater reduction of postoperative corneal ECD than the trabeculectomy group did at 2 years after surgery (P = 0.026). Among the corneal areas measured using specular microscopy, the superior area, where the Ex-PRESS tube was inserted, had significantly more severe corneal ECD reduction than the inferior area after 2 years (−17.6% in superior area and −11.7% in inferior area, P = 0.04). More cataract progression occurred in the trabeculectomy group than in the Ex-PRESS group (P = 0.04). Twelve eyes (37.5%) in the trabeculectomy group and 4 eyes (12.5%) in the Ex-PRESS group underwent cataract surgery (P = 0.019). The total number of other postoperative complications between 3 months and 2 years was significantly higher in the trabeculectomy group than in the Ex-PRESS group (P = 0.02). Although Ex-PRESS implantation might be associated with an increased rate of corneal endothelial cell loss compared with trabeculectomy, it is beneficial for preventing cataract progression after filtering surgery.
Impact of Cardiovascular Magnetic Resonance Imaging on Identifying the Etiology of Cardiomyopathy in Patients Undergoing Cardiac Transplantation
Authors: Lin Lucy Q. , Kazmirczak Felipe , Chen Ko-Hsuan Amy , Okasha Osama , Nijjar Prabhjot S. , Martin Cindy M. , Akçakaya Mehmet , Farzaneh-Far Afshin , Shenoy Chetan
Published: October 2018

Errors in identifying the etiology of cardiomyopathy have been described in patients undergoing cardiac transplantation. There are increasing data that cardiovascular magnetic resonance imaging (CMR) provides unique diagnostic information in heart failure. We investigated the association of the performance of CMR prior to cardiac transplantation with rates of errors in identifying the etiology of cardiomyopathy. We compared pre-transplantation clinical diagnoses with post-transplantation pathology diagnoses obtained from the explanted native hearts. Among 338 patients, there were 23 (7%) errors in identifying the etiology of cardiomyopathy. Of these, 22 (96%) occurred in patients with pre-transplantation clinical diagnoses of non-ischemic cardiomyopathy (NICM). Only 61/338 (18%) had CMRs prior to transplantation. There was no significant association between the performance of CMR and errors in the entire study cohort (p = 0.093). Among patients with pre-transplantation clinical diagnoses of NICM, there was a significant inverse association between the performance of CMR and errors (2.4% vs. 14.6% in patients with and without CMR respectively; p = 0.030). In conclusion, CMR was underutilized prior to cardiac transplantation. In patients with pre-transplantation clinical diagnoses of NICM – in whom 96% of errors in identifying the etiology of cardiomyopathy occurred – the performance of CMR was associated with significantly fewer errors.
Molecular signature of the putative stem/progenitor cells committed to the development of the bovine mammary gland at puberty
Authors: Finot Laurence , Chanat Eric , Dessauge Frederic
Published: October 2018

Milk production is highly dependent on the extensive development of the mammary epithelium, which occurs during puberty. It is therefore essential to distinguish the epithelial cells committed to development from the related epithelial hierarchy. Using cell phenotyping and sorting, we highlighted four cell sub-populations within the bovine mammary gland at puberty. The CD49fhighCD24neg cells expressing CD10, KRT14, vimentin and PROCR corresponded to cells committed to the basal lineage. The CD49flow sub-population contained two cell subsets (CD49flowCD24neg and CD49flowCD24pos). Both subsets expressed hormone receptors including ER, PR and PRLR, as well as ALDH1 activity but only the CD49flowCD24pos subset expressed ELF5. These data indicated that the CD49flow sub-population is mainly composed of cells displaying a luminal phenotype and that this population comprises two luminal cell subsets, namely the CD24neg and CD24pos cells, likely committed to ductal and alveolar lineage, respectively. The putative mammary stem cell (MaSC) fraction was recovered in the CD49fhighCD24pos sub-population which were shown to form mammospheres in vitro. These cells differentially expressed CD10, KRT14 and KRT7, suggesting the existence of several putative MaSC sub-fractions. In-depth characterization of these epithelial sub-populations provides new insights into the bovine mammary epithelial cell lineage and suggests a common developmental lineage in mammals.
Manganese(iv) oxide amendments reduce methylmercury concentrations in sediment porewater
Authors: Vlassopoulos Dimitri , Kanematsu Masakazu , Henry Elizabeth A. , Goin Jessica , Leven Alexander , Glaser David , Brown Steven S. , O'Day Peggy A.
Published: October 2018

Manganese(iv) oxide amendments reduce methylmercury concentrations in sediment by poising redox to inhibit sulfate reduction.
Multifunctional 3D K2Ti6O13 nanobelt-built architectures towards wastewater remediation: selective adsorption, photodegradation, mechanism insight and photoelectrochemical investigation
Authors: Wang Qiang , Zhang Bei , Lu Xin , Zhang Xinyuan , Zhu Hongmin , Li Bing
Published: October 2018

Efficient wastewater remediation was achieved via initial selective adsorption and subsequent photodegradation using multifunctional 3D K2Ti6O13 NAs with promising photoelectrochemical application.
Low intake of digestible carbohydrates ameliorates the duodenal absorption of carbohydrates in mice with glucose metabolic disorders induced by sucralose
Authors: Shi Qing , Zhu Xuemei , Zhou Jue , Chen Lianlian
Published: October 2018

In the current study, the protective effects of diets with low digestible carbohydrates (LDCs) on plasma glucose, plasma fasting insulin, sweet taste receptors, glucose transporters and absorption of carbohydrates in mice that consume sucralose were evaluated.
Novel O-methyl goniofufurone and 7-epi-goniofufurone derivatives: synthesis, in vitro cytotoxicity and SAR analysis
Authors: Francuz Jovana , Popsavin Mirjana , Djokić Sanja , Kojić Vesna , Srdić-Rajić Tatjana , Rodić Marko V. , Jakimov Dimitar , Popsavin Velimir
Published: October 2018

Novel goniofufurone (1) and 7-epi-goniofufurone (2) derivatives bearing a methoxy group at the C-5 and/or C-7 positions were prepared and their in vitro antitumour activity against some human tumour cell lines was evaluated.
Self-supported Al-doped cobalt phosphide nanosheets grown on three-dimensional Ni foam for highly efficient water reduction and oxidation
Authors: Lv Xianwei , Hu Zhongpan , Ren Jintao , Liu Yuping , Wang Zheng , Yuan Zhong-Yong
Published: October 2018

Al-doped CoP nanosheets self-supported on Ni foam are shown to be an efficient bifunctional electrocatalyst for long-time overall water splitting.
Crystal structures of transition metal pernitrides predicted from first principles
Authors: Yu Rongmei , Sun Ermiao , Jiao Liguang , Cai Yongmao , Wang Hongbo , Yao Yansun
Published: October 2018

We identified for the first time the ground-state structures of MnN2, TaN2, NbN2, VN2, ZrN2 and HfN2 pernitrides and proposed their synthesis pressures.
Reprocessable and recyclable styrene-based resins with low dielectric and good mechanical properties
Authors: Xiong Yang , Liu Lili , Hu Chengyao , Huang Yawen , Zhao Xiuli , Yang Junxiao
Published: October 2018

In this work, we create a new recyclable and reprocessable low-dielectric materials by introducing coordination bonds in styrene resins.
Methane adsorption and methanol desorption of copper modified boron silicate
Authors: Wang Xueting , Shishkin Alexander , Hemmingsson Felix , Skoglundh Magnus , Martinez-Casado Francisco Javier , Bock Lorenz , Idström Alexander , Nordstierna Lars , Härelind Hanna , Carlsson Per-Anders
Published: October 2018

Boron silicate (BS) with a chabazite framework structure was synthesized and ion-exchanged with copper to form Cu-BS which was capable of oxidizing methane to methoxy species.
Controlling crystal polymorphism of isotactic poly(1-butene) by incorporating long chain branches
Authors: Maimaitiming Aizezi , Zhang Maojiang , Hu Jiangtao , Wu Guozhong
Published: October 2018

The polymorphic behavior of forms II/I, and form III built of unconventional highly twined lamellae, is controlled by changing the coil contraction conformations in the melt via tailoring the long-chain-branched microstructures of isotactic poly(1-butene) under high energy irradiation.
Microporous polymeric composite membranes with advanced film properties: pore intercalation yields excellent CO2 separation performance
Authors: Sekizkardes Ali K. , Kusuma Victor A. , McNally Joshua S. , Gidley David W. , Resnik Kevin , Venna Surendar R. , Hopkinson David
Published: October 2018

PIM-1 based blend membranes with advanced gas transport and mechanical properties.
Alteration of clot architecture using bone substitute biomaterials (beta-tricalcium phosphate) significantly delays the early bone healing process
Authors: Wang Xin , Luo Yan , Yang Yan , Zheng Baoyu , Yan Fuhua , Wei Fei , Friis Thor E. , Crawford Ross W. , Xiao Yin
Published: October 2018

When a bone substitute biomaterial is implanted into the body, the material's surface comes into contact with circulating blood, which results in the formation of a peri-implant hematoma or blood clot.
Metabolic bioengineering: glycans and glycoconjugates
Authors: Koffas Mattheos A.G. , Linhardt Robert J.
Published: October 2018

The application of metabolic engineering to the production of glycans and glycoconjugates is the subject of this of Emerging Topics in Life Science. The lack of availability of these complex carbohydrate or saccharide structures has severely limited the development of the field of glycobiology. This issue contains eight articles from respected scientists in the field that cover this new and emerging field.
Early Identification of Dyslexia: Understanding the Issues
Authors: Colenbrander Danielle , Ricketts Jessie , Breadmore Helen L.
Published: October 2018

Purpose

The purpose of this tutorial is to provide an overview of the benefits and challenges associated with the early identification of dyslexia.

Method

The literature on the early identification of dyslexia is reviewed. Theoretical arguments and research evidence are summarized. An overview of response to intervention as a method of early identification is provided, and the benefits and challenges associated with it are discussed. Finally, the role of speech-language pathologists in the early identification process is addressed.

Conclusions

Early identification of dyslexia is crucial to ensure that children are able to maximize their educational potential, and speech-language pathologists are well placed to play a role in this process. However, early identification alone is not sufficient—difficulties with reading may persist or become apparent later in schooling. Therefore, continuing progress monitoring and access to suitable intervention programs are essential.
What Speech-Language Pathologists Need to Know About Dyslexia
Authors: Hogan Tiffany P.
Published: October 2018

Purpose

The purpose of this clinical forum is to provide a broad survey of up-to-date, evidence-based information about dyslexia that can be readily applied to clinical practice by speech-language pathologists. Topics include (a) theoretical and clinical frameworks for understanding dyslexia in relation to other language-based communication disorders, (b) the neurobiological basis of dyslexia, (c) the current state of dyslexia legislation, (d) issues around identification of dyslexia, (e) and evidence-based reviews of instruction for reading and writing.

Conclusion

Though there have been numerous papers written on the topic of dyslexia, this clinical forum is unique in that it is the only combination of articles to focus on dyslexia with the speech-language pathologist in mind.
TV white space and its applications in future wireless networks and communications: a survey
Authors: Zhang Wenjie , Yang Jingmin , Zhang Guanglin, , Yang Liwei , Kiat Yeo Chai
Published: October 2018

In 2008, the Federal Communications Commission issued a ruling permitting the unlicensed usage of TV white spaces (TVWS), i.e. locally vacant TV channels. Due to its low‐frequency range (50–698 MHz), the TV spectrum has much better propagation characteristic and higher‐spectral efficiency, resulting in a wide range of potentially important applications. However, unlike typical cellular and industrial scientific medical bands, TVWS are subjected to high‐spatial variation, temporal variation, and fragmentation, resulting in new challenges in TVWS identification and in implementing a wireless network in this band. Identification and network design are the two key issues required to be addressed while investigating TVWS. These two problems have been widely discussed in several existing literature. Applications in TVWS are also an important topic, which has not been adequately explored. This study provides an up‐to‐date survey of TVWS and its applications in future wireless networks and communication. Various problems and challenges associated with each use case as well as the possible enabling methods to address these challenges are also presented.
Multi‐stage bi‐level linear model for low carbon expansion planning of multi‐area power systems
Authors: Asgharian Vahid , Abdelaziz Morad M. A. , Kamwa Innocent
Published: October 2018

This study proposes a multi‐stage expansion model for coordinated transmission and generation of expansion planning of a multi‐area power system (MAPS) wherein each region seeks to benefit from the changes. The proposed model adopts a bi‐level optimisation approach. In the first level, the expansion cost and carbon emissions are calculated for each region separately for expansion planning. In the second level of optimisation, the calculated cost and emission values are used as the upper limits for the cost of expansion and emissions of the regions in multi‐area expansion planning. The proposed bi‐level approach prevents one region from bearing additional expansion costs without compensatory benefits and provides advantageous collaboration for the participant regions in the MAPS expansion. The proposed linear model requires fewer computational expansion models for long‐term planning of the MAPS, but takes the uncertain generation of renewable units into account.
Three‐phase four switch DSTATCOM topologies with special transformers for neutral current compensation and power quality improvement
Authors: Kumar Alladi Pranay , Kumar Ganjikunta Siva , Sreenivasarao Dharmavarapu
Published: October 2018

Three‐phase four switch (TPFS) inverters are an effective solution to reduce the size and cost of the distribution STATic COMpensator (DSTATCOM). The performance of TPFS inverter is identical to three‐phase four leg, three‐phase split capacitor inverter topologies during balanced load conditions. During unbalanced load conditions, the absence of the neutral wire in TPFS topologies does not allow the DSTATCOM to compensate the unbalance in load currents. To overcome this limitation, a special purpose transformer is connected across the load along with the DSTATCOM. This special transformer provides a path for neutral current, reduces the cost and rating of the inverter, improve the performance under stringent unbalanced currents generated by computer loads and also improves short duration overloading capability. In the proposed work, two different TPFS topologies namely four switch one capacitor and four switch split capacitor are proposed along with two special purpose transformers which include zigzag and T‐connected for three‐phase four‐wire distribution systems. The combination of TPFS inverter and special transformer can achieve power factor improvement, harmonic elimination, neutral current compensation and load balancing. The evaluation of the proposed method has done using simulation and experimental investigations.
Locating minimum number of PMUs for pre‐ and post‐disturbance monitoring of power systems
Authors: Rezaeian Koochi Mohammad Hossein , Esmaeili Saeid , Ledwich Gerard
Published: October 2018

In this study, the post‐disturbance coherency of buses is added to the conventional phasor measurement unit (PMU) placement problem to find the minimum number of PMUs at different depths of unobservability. To do that, different scenarios are defined based on probabilistic parameters. Then, in each scenario, central buses are determined based on the similarity of post‐disturbance variations using subtractive clustering algorithm. The central bus in each area is the bus that its post‐disturbance variations are similar to the highest number of buses in the area. The PMU placement problem is then solved considering the number of scenarios where each bus has been selected as a central bus. The resulted placement scheme is more suitable for monitoring the power system dynamics compared to the conventional method. In order to reduce the number of PMUs, the placement problem is solved for higher depths of unobservability. In each depth, the voltage phasor of unobservable buses is obtained using state estimation methods. The results of applying the proposed methodology on 68‐bus, 16‐machine system show its better performance compared to the conventional method.
High step‐up DC–DC converter with coupled inductor suitable for renewable applications
Authors: Pourjafar Saeed , Sedaghati Farzad , Shayeghi Hossein , Maalandish Mohammad
Published: October 2018

In this study, a new non‐isolated high step‐up DC–DC converter is presented with high‐voltage gain which is suitable for renewable applications. The proposed converter uses coupled inductor and voltage multiplier cell (diode capacitor) for increasing the voltage level. The voltage gain of the proposed converter can be increased by selecting the appropriate turns ratio of coupled inductor. Voltage multiplier cell consists of two diodes and two capacitors which are used to obtain high‐voltage gain. The diode‐capacitor cell is used as a clamp circuit, which leads to reducing the voltage stress across the semiconductors. The proposed converter has a single power switch which causes the control of the proposed converter is simple. Also, the power switch is used with lower ON‐state resistant (RDS‐ON). The zero‐current switching of the diode is obtained in OFF state. Therefore, the conduction losses are decreased with lower normalised voltage stress across semiconductors. To prove the performance of the proposed converter, theoretical analysis and comparison with other converters are provided. To confirm the benefits of the proposed converter, a laboratory prototype with 20 V input voltage, 200 V output voltage and about 200 W power level at operating 25 kHz is built and tested.
Control strategy of UPFC based on power transfer distribution factor
Authors: Chen Jing , Tao Jiagui , Wang Chenggen , Wei Peng , Liu Jiankun , Li Qun , Zhou Qian
Published: October 2018

In practical engineering application, trial method is widely used to determine the control value of unified power flow controller (UPFC in short). Since the calculation is based on offline typical data, the trial method is inefficient and less accurate, which could not adjust to the changing operating conditions. In order to make up for the deficiency, this paper proposes a novel UPFC control strategy based on power transfer distribution factors. First, the anticipated line tripping fault throughout the grid is scanned and the N  − 1 overload lines are marked. Then, in regard to each overload condition, a certain UPFC control value is calculated based on power transfer distribution factors. The anticipated control list could be formed and updated according to online EMS data. When a line tripping fault is detected, simply by searching the control list, a condition could be matched and the UPFC could immediately be activated to eliminate the line overload. This method mentioned above could provide decision‐making support to power‐grid dispatching institutions. The results of a simulation example shows that the method is efficient and utilisable.
Dynamic interaction between synchronous machine and DC‐power‐modulated LCC in electromechanical timescale
Authors: Hou Jiazuo , Ma Shicong , Gong Xuan , Hu Jiabing
Published: October 2018

Active power modulation of line‐commutated converter (LCC)‐based high‐voltage direct current (HVDC) system is increasingly utilised, especially for the case of damping low‐frequency oscillation associated with synchronous machine (SM) in electromechanical timescale (around 1 Hz). Many papers have tried to analyse the mechanism of damping effects, but almost rely on numerical studies, which cannot reveal the dynamic interaction between SM and DC‐power‐modulated LCC. This study proposes a small‐signal model of DC‐power‐modulated LCC based on motion equation concept. With this model, analytical investigation of low‐frequency oscillation from the scope of damping and synchronising powers is presented. Comparisons of analytical results and eigenvalues draw some general conclusions which offer insight into the dynamic behaviour. By examining the case of an SM connected to a DC‐power‐modulated LCC, simulations in MATLAB/Simulink are conducted to verify the analytical results.
Research of non‐destructive testing for aluminium sheaths of HV cables using ultrasonic‐guided waves
Authors: Junping Cao , Hang Jiang , Shaohua Wang , Yong Yang , Luyao Zhou , Peng Jiang
Published: October 2018

The method of fast non‐destructive testing for aluminium sheaths of high‐voltage (HV) cables using ultrasonic‐guided waves is proposed. The dispersion curve is calculated by solving the dispersion equation from the simplified model of aluminium sheaths of HV cables; thus, the appropriate wave mode and excitation frequency can be chosen. Three defects including crack, perforation, and sag have been set up. Then, the simulation experiments have been carried out for aluminium sheaths of HV cables based on the theoretical analysis and finite element simulation. The results show that cracks with the loss ratio of the sectional area over 4.25% can be detected by the T (0, 1) mode whose frequency is 32 kHz; the amplitude of the flaw echo increases along with the loss ratio of the crack. Theoretical analysis, finite element simulation, and experiments prove the feasibility of aluminium sheaths using ultrasonic‐guided waves, providing a new method for the defect testing.
Design of the fuzzy PI control system for load voltage in hybrid distribution transformer
Authors: Zhang Mingkang , Liang Deliang , Liu Yibin , Liang Yang
Published: October 2018

Hybrid distribution transformer (HDT) is a novel transformer that has a powerful control on grid current and load voltage, and it is significant for the construction of the smart grid. The load voltage control is the key part in HDT control system. Here, a load voltage control strategy based on fuzzy PI controller is proposed, since the traditional PI controller cannot achieve satisfying dynamic performance under the operation of grid voltage change. The fuzzy controller can respond faster than PI controller for the outputs that is only determined by inputs and independent with time, when the grid voltage rags or swells. While combining the fuzzy controller with the PI controller, the fuzzy control will cover the shortage of PI control in transient process and the PI control ensures that the static performance will not be affected. In the end, the simulation model of HDT is carried out, and the result shows that the load voltage can track the reference faster than the traditional PI controller, which improves the performance of voltage control system.
Research of bi‐directional DC/DC converter topology based on supercapacitor energy storage system in IP transmitter
Authors: Zeng Zhihui , Wang Xiaowei , Wei Yanfang , Yu Yangxiao
Published: October 2018

According to the energy storage requirement of IP transmitter in geophysical exploration, the practical application of the supercapacitor energy storage system in the polarisation instrument is proposed. In order to meet the requirement of the precise adjustment of the output voltage of the supercapacitor energy storage system in the storage process of the polarisation instrument and the change range of the terminal voltage wide during the charging and discharging process of the supercapacitor group and pursue the high efficiency, high power density, and high reliability of the energy storage system, a novel‐cascaded bidirectional Buck/Boost‐LLC DC‐DC converter topology is proposed and the system efficiency is analysed comparatively through the thermal simulation of the main switch device and the theoretical calculation of loss. Results show that the topology structure can achieve soft switching in the full load range, greatly reduce the power converter in the switching losses, improve the efficiency and power density of the energy storage system with its novel structure. The practical application of the supercapacitor energy storage system based on IP transmitter is studied and the results show the feasibility and superiority of the topology.
PACS and SPIRE range spectroscopy of cool, evolved stars
Authors: Nicolaes D. , Groenewegen M. A. T. , Royer P. , Lombaert R. , Danilovich T. , Decin L.
Published: October 2018

Context. At the end of their lives AGB stars are prolific producers of dust and gas. The details of this mass-loss process are still not understood very well. Herschel PACS and SPIRE spectra which cover the wavelength range from ∼55 to 670 μm almost continuously, offer a unique way of investigating properties of AGB stars in general and the mass-loss process in particular as this is the wavelength region where dust emission is prominent and molecules have many emission lines.

Aims. We present the community with a catalogue of AGB stars and red supergiants (RSGs) with PACS and/or SPIRE spectra reduced according to the current state of the art.

Methods. The Herschel interactive processing environment (HIPE) software with the latest calibration is used to process the available PACS and SPIRE spectra of 40 evolved stars. The SPIRE spectra of some objects close to the Galactic plane require special treatment because of the weaker fluxes in combination with the strong and complex background emission at those wavelengths. The spectra are convolved with the response curves of the PACS and SPIRE bolometers and compared to the fluxes measured in imaging data of these sources. Custom software is used to identify lines in the spectra, and to determine the central wavelengths and line intensities. Standard molecular line databases are used to associate the observed lines. Because of the limited spectral resolution of the PACS and SPIRE spectrometers (∼1500), several known lines are typically potential counterparts to any observed line. To help identifications in follow-up studies the relative contributions in line intensity of the potential counterpart lines are listed for three characteristic temperatures based on local thermodynamic equilibrium (LTE) calculations and assuming optically thin emission.

Results. The following data products are released: the reduced spectra, the lines that are measured in the spectra with wavelength, intensity, potential identifications, and the continuum spectra, i.e. the full spectra with all identified lines removed. As simple examples of how this data can be used in future studies we have fitted the continuum spectra with three power laws (two wavelength regimes covering PACS, and one covering SPIRE) and find that the few OH/IR stars seem to have significantly steeper slopes than the other oxygen- and carbon-rich objects in the sample, possibly related to a recent increase in mass-loss rate. As another example we constructed rotational diagrams for CO (and HCN for the carbon stars) and fitted a two-component model to derive rotational temperatures.
Vers une meilleure compréhension des douleurs oculaires chroniques
Authors: Melik Parsadaniantz Stéphane , Rostène William , Baudouin Christophe , Réaux-Le Goazigo Annabelle
Published: October 2018

La sécheresse oculaire est un des premiers motifs de consultation en ophtalmologie. Sa prévalence varie de 5 à 35 % chez des sujets âgés de plus de 50 ans. Cette pathologie du segment antérieur de l’œil est caractérisée par des sensations de douleurs variables dans leur intensité, allant du simple inconfort à une douleur oculaire prononcée. Les douleurs oculaires sont très invalidantes et difficiles à traiter et leurs mécanismes physiopathologiques demeurent de nos jours mal connus. Ce constat impose un approfondissement de nos connaissances fondamentales sur l’anatomie du système nociceptif cornéen et sur les mécanismes cellulaires impliqués dans l’initiation et la chronicisation de la douleur oculaire. Cette revue présente dans une première partie l’anatomie et la physiologie de l’innervation cornéenne et les différentes classes de récepteurs cornéens ainsi que les structures centrales mises en jeu dans la transmission du message nociceptif. La seconde partie fait un état des lieux des données précliniques et cliniques sur les mécanismes inflammatoires et neuro-inflammatoires qui ont été identifiés lors de douleurs cornéennes. Enfin, la dernière partie de cette revue décrit les différents dispositifs actuellement utilisés pour évaluer la douleur et l’inflammation oculaire en clinique humaine.
Power quality improvement using dynamic voltage restorer in distribution system PT. DSS Power Plant
Authors: Martiningsih Wahyuni , Yudho Prakoso Untung , Herudin
Published: October 2018

In the power plant power system, voltage drops often occur and one of the contributing factors is a short circuit that affects the performance of motor drivers on the mills in the generator. In this research proposed the use of compensation dynamic voltage restorer (DVR) to damped voltage sag. The DVR using a three-phase voltage source inverter (VSI) with voltage loop control (PI). To detect the voltage drop system using park transform and apply it in the voltage regulator as a control system function that detects the voltage amplitude at the sensitive load continuously. The result of simulation in system distribution with active load 280 kVA and 50 kVAR reactive, before a voltage compensation system 0.67 pu and after voltage compensation system becomes 0.99 pu on nominal voltage 0f 380V. The performance of DVR is reliable because it is able to compensate quickly to changes in the value of the voltage
Polynomial Load Model Development for Analysing Residential Electric Energy Use Behaviour
Authors: Nashrullah Erwin , Halim Abdul
Published: October 2018

Analysing and simulating the dynamic behaviour of home power system as a part of community-based energy system needs load model of either aggregate or dis-aggregate power use. Moreover, in the context of home energy efficiency, development of specific and accurate residential load model can help system designer to develop a tool for reducing energy consumption effectively. In this paper, a new method for developing two types of residential polynomial load model is presented. In the research, computation technique of model parameters is provided based on median filter and least square estimation and implemented by MATLAB. We use AMPDs data set, which have 1-minute data sampling, to show the effectiveness of proposed method. After simulation is carried out, the performance evaluation of model is provided through exploring root mean-squared error between original data and model output. From simulation results, it could be concluded that proposed model is enough for helping system designer to analyse home power energy use.
Study and Analysis of Shading Effects on Photovoltaic Application System
Authors: Handoko Rusiana Iskandar , Yuda Bakti Zainal , Sambasri Susanto
Published: October 2018

This study investigates the shading on PV systems. Shading has considerable influence on the solar cells characteristics, temperature and radiation on site need to be considered as the basis for designing PV systems. Modeling conducted on a 1 kWp PV system at a latitude of 6°53ˈ2.69̎S and a longitude of 107°32ˈ28.69̎, to find the magnitude of solar radiation, surface temperature, and tilt angle, and partial shadow simulation using PVsyst software. Testing result shows the characteristic PV 1 kWp is obtained with the angle of solar cell shade at 18˚, and azimuth 0˚, the shading per year generates 4.71 kWh/m2in a solar active area at 6.9m2, the power losses of 20.8% of its nominal power.
Design of Auto-tuning Relay Feedback controller for Shell Heavy Oil Fractionator
Authors: Wahyudi  , Martasia Sela , Setiyono Budi , Setiawan Iwan
Published: October 2018

Auto-tuning relay feedback is one of the control techniques, which is used to solve the non-linear, long delay time, and disturbance's problems. This control technique is the development of Ziegler-Nichols that can be done automatically without doing system modeling. In this paper, auto-tuning relay feedback is used in the control system response to optimization of Shell Heavy Oil Fractionator (SHOF) system so the output of product composition as expected. SHOF is a distillation column type used to separate crude oil into desired products based on the difference in the boiling point of each product. PI regulators of relay feedback are used to control the valves on the SHOF with three inputs and three outputs that has been decoupled. Based on the tests, the average values of IAE at top end point composition (Y1) obtained with disturbance and no disturbance are 83.17 and 10.933, respectively. At the side end point composition (Y2), the average values of IAE with disturbance and no disturbance are obtained respectively, 336.38 and 42.3467. The average values of IAE at bottom reflux temperature (Y3) with disturbance and no disturbance are obtained 0.15 and 0.13, respectively.
Body Design Concept of Remotely Operated Vehicle (ROV) of Observation Class with the Method of Concept Screening and Concept Scoring
Authors: Satria Dhimas , Pujangga Asmara Lanank Esiswitoyo Dovan , Caturwati Ni Ketut , Listijorini Erny , Lusiani Rina
Published: October 2018

The Remotely Operated Vehicle (ROV) underwater observation equipment has previously been developed, but it had restriction for not being hydrodynamic still due to the unique conditions of the Sunda Strait waters. This study aims to further develop the previously developed ROV by improving the design structure of the ROV body. The method of design concept selection used was concept screening and concept scoring. In concept screening, the initial concept was evaluated relatively to the same preferences using screening matrices. On the other hand the Concept Scoring was conducted by determining the relative performance value which was the assessment used to evaluate how the comparison between concepts and number as the comparison. The result of the study obtained the selected design concept, which was small ROV with streamlined / half-streamlined body geometry which had rear-middle rotor configuration as motion component of hydrodynamic 3 DOF (surge, heave, and yaw).
Usability Evaluation Using Multi-Method for Improvement Interaction in M-Commerce
Authors: Hadrian Yohandy Daniel , Setyohadi DjokoBudiyanto
Published: October 2018

Today, M-Commerce has become one of the common choices as a way of shopping for society. Therefore, the transaction in m-commerce grows significantly. Moreover, the competition of M-Commerce increases and the performance should be improved primarily for the satisfaction of buyers. These conditions are seen from an improvement of the features and service options that can be used by users, even outside the process of buying and selling goods. Increasing amount of features may reduce the usability of the application which may impact on the performance of M-Commerce. Therefore, this study aims to evaluate the usability of M-Commerce service. Our study addressed to evaluate the usability of one famous M-Commerce in Indonesia. The evaluation process was performed by using cognitive walkthrough and heuristic usability method. Data collection is done by using depth interview and questionnaire to collect quantitative and qualitative data. Our findings show some new insight for designers and developers about M-Commerce especially about usability and the potential of usability to improving the satisfaction of users in terms of using the M-Commerce application overall.
Designing Automatic Guided Device of Books
Authors: Advent Putra Yulius , Pangaribuan Porman , Ardianto Priramadhi Rizki
Published: October 2018

There are several methods returning scattered books in library, such as asking visitors to put them back to the bookshelf, recruiting more employees, or creating system that can return the books automatically. But, by using the system, visitors no need to walk to certain bookshelf. The system itself called Automatic Guided Device included of Automatic Guided Vehicle (AGV), RFID tag, scissor-lift, and book thruster. Every books have RFID tags which contains the book database. There are name of books and shelf location inside of the database. Visitors just need scan the book(s) and laid on the device, then the system will begin to operate. After that, this Automatic Guided Device sensor equipped will start its journey and go through to the location of bookshelf by following tracked line on the floor. To show them, it uses ASCII Table in the C Source Code Program. This table is to represent information substitutes which contains certain number, then it will be declared as the bookshelf location spot. After reaching certain distance, scissor-lift lifts as high as the table. Then scissor-lift stops, while the book thruster removing the book from device into bookshelf. So, this system not only returning the books without any manual operation but also can do more things such as lifting and putting the books automatically at once. Based on several tests, AGD reaches at certain spot within an average 60% of successfulness by using ASCII Table numbering format.
Design Of Array and Circular Polarization Microstrip Antenna For LTE Communication
Authors: Alam Syah , Wijanto Eddy , Harsono Budi , Samandatu Fidelia , Upa Markus , Surjati Indra
Published: October 2018

This paper proposes a high gain microstrip antenna with circular polarization for LTE applications at a working frequency of 2300 MHz. Gain of antenna is optimized by using an array method with 4 elements arranged in plannar using feed line of 50 Ohm, 100 Ohm and 70.7 Ohm. The proposed antenna designed using FR-4 substrate with (ɛr) = 4.3, substrate thickness (h) of 1.6 mm and loss tangent (tan δ) of 0.0265. Gain of antenna can be optimized by increasing the number of elements in the array of the antenna. Circular polarization can be obtained by cutting the edge of a rectangular patch antenna with an angle of 45° . From the simulation results obtained reflection coefficient value of -20.02 dB and VSWR of 1.22 at the working frequency of 2300 MHz. The gain of proposed microstrip antenna is 10.56 dB with an impedance bandwidth value of 714 MHz (1925 - 2639 MHz). The proposed antenna obtained a circular polarization with axial ratio of 1.745 dB at working frequency of 2300 MHz. Array method with four elements increased the gain of antena until 45.07% compared to the single element antenna.
Designing a tri-band microstrip antenna for targetting 5g broadband communications
Authors: Firdausi Ahmad , Hakim Galang , Alaydrus Mudrik
Published: October 2018

One of the technologies that has wireless application nowadays was 5G mobile communication.This paper presents the designing of a Tri-band microstrip antenna for targeting 5G broadband communications, This element antenna has 3x3 rectangular patches with feeding line structures are branched. With the use of double feeding proximity coupling structure, we intend to maximize antenna bandwidth, therefore the antenna cover range tri-band frequency from 40 GHz to 70 GHz. The reflection factor comparation between simulation and measurement has a minimum with respective frequency at 45.3 GHz, 57 GHz, and 66 GHz. The total measurement bandwith 11.5 Ghz. With this combination tecnique, the proposed antenna is a promising candidate for 5G communication systems.
A Study on internet addiction among teenagers in selangor state of malaysia
Authors: Raja Kumar Murugesan , Binti Mohd Hamzaht Siti Khadijah , Supriyanto
Published: October 2018

Internet addiction is becoming a growing phenomenon across the world due to the tendency of Internet overuse for varied reasons. The objective of this study is to identify the extent of Internet use and level of addiction among teenagers with the age ranging from 13 to 17 years old. This also include the risk factor and impact to their social life. The sample data were taken from several schools covering 500 students from the state of Selangor in Malaysia. The survey was done using an instrument from Internet Addiction Test (IAT) developed by Dr. Kimberly Young. This test had been modified to meet the requirements of the youngster’s mind-set in Malaysia. Demographics factors such as age, gender and race were examined apart from family and personal factors. The results of the study and Chi-square test summarizes that the level of internet addiction among teenagers in Selangor is p = 0.161 and tends to be minimal. We need to be aware of the level of Internet usage by teenagers so that measures could be made in place to deter or mitigate Internet addiction.
Genetic algorithm based protocols to select cluster heads and find multi-hop path in wireless sensor networks: review
Authors: Al-Shalabi Mohammed , Anbar Mohammed , Wan Tat-Chee
Published: October 2018

A wireless sensor network (WSN) is a modern technology in radio communication. A WSN comprises a number of sensor nodes that are randomly spread in a specific area for sensing and monitoring physical attributes that are difficult to monitor by humans, such as temperature, fire, and pressure. Many problems, including data transmission, power consumption and selecting cluster heads, may occur due to the nature of WSNs. Various protocols have been conducted to resolve these issues. Most of the proposed protocols are based on the Genetic Algorithm as an optimization technique to select the Cluster Heads (CHs) or to find a multi-hop path for sending the data from the CHs to the Base Station (BS). This paper presents a comprehensive study of the protocols for WSNs that are proposed to come up with these issues. This study emphasises on CHs selection protocols and multi-hop path finding protocols and their strengths and weaknesses. A new taxonomy is presented to discuss these protocols on the basis of different classes. A complete comparison of the main features and behaviors of the protocols is conducted. This study will give basic guidelines for the researchers those have a motivation to develop a new CHs selection protocol or a multi-hop path finding protocol.
Prediction of Grinding Work Roll Demand in a Job Shop Company By using Artificial Neural Network and ARIMA Method
Authors: Muharni Yusraini , Irman Ade , Ilhamsyah Muhammad
Published: October 2018

This study concern about forecasting grinding work roll demand in a job shop company located in industrial area in Cilegon. This factory main production is fabrication, which accepts various orders from other companies especially from the company around. Grinding Work Roll is one of those products that frequently request by customer. Although the order is frequent but the volume is fluctuation month by month. This situation drives the company to face the problem in preparing the resources required in fabrication process specially in scheduling the operators. To cope with this problem, we proposed to apply two robust forecasting methods, Artificial Neural Network and ARIMA to help in prediction the grinding work roll demand so as the company could make a good plan for the production process. The best architecture for ANN is obtained through applying Taguchi Method which applies Levenberg-Marquardt algorithm as Training Function. The best number for hidden layer is 10, while Momentum is 0.9. The Prediction result shows that ANN predicts better than ARIMA Method according to the lower Mean Square Error (MSE). MSE Value for ANN is 0.002 while for ARIMA MSE is 0.0043. From this study, we experienced that by applying Taguchi method could improve the performance of Artificial Neural Network.
Knowledge management in multi-generation workforce: investigation on critical success factor and strategy
Authors: I Komang Artha Winadi , Suzianti Amalia , Ardi Romadhani
Published: October 2018

This paper investigates critical success factors and strategy of knowledge management within organization that made of multi generation workforce. It is widely understood that tensions and conflicts are inevitable if employees from every generational cohort fail to understand and accept the unique characteristics of each group. As the race to gain competitive advantage between businesses growing intensely from time to time, there is a need emerging for a strong guidance in developing a correct knowledge management strategy in respect to multi-generation work force phenomenon. By incorporating knowledge management critical success factor and strategy and also generational differences obtained from literature review, we design models that can be used to choose appropriate knowledge management strategy in a multi generational workforce organization. Using these models, which were validated using Structural Equation Modelling (SEM), it is found that the appropriate knowledge management strategy for multi generation work force organization is external personalization.