bluuebunny/crossref_metadata_2025 huggingface dataset:
Deep core photoionization of iodine in CH3I and CF3I molecules: how deep down does the chemical shift reach?
Authors: Boudjemia Nacer , Jänkälä Kari , Gejo Tatsuo , Nagaya Kiyonobu , Tamasaku Kenji , Huttula Marko , Piancastelli Maria Novella , Simon Marc , Oura Masaki
Published: February 2019

Hard X-ray electron spectroscopic study of iodine 1s and 2s photoionization of iodomethane (CH3I) and trifluoroiodomethane (CF3I) molecules is presented.
Membrane pore formation and ion selectivity of the Ebola virus delta peptide
Authors: Pokhrel Rudramani , Pavadai Elumalai , Gerstman Bernard S. , Chapagain Prem P.
Published: February 2019

The Ebola virus delta peptide homo-oligomerizes in the host cell membrane to form amphipathic pores that alter the membrane properties.
Mechanical properties of molybdenum diselenide revealed by molecular dynamics simulation and support vector machine
Authors: Wang Xinyu , Hong Yang , Wang Man , Xin Gongming , Yue Yanan , Zhang Jingchao
Published: February 2019

A data-driven approach combining classical molecular dynamics simulation and machine learning technique is used to investigate the mechanical properties of freestanding h-MoSe2and t-MoSe2.
Towards establishing standard performance metrics for batteries, supercapacitors and beyond
Authors: Noori Abolhassan , El-Kady Maher F. , Rahmanifar Mohammad S. , Kaner Richard B. , Mousavi Mir F.
Published: February 2019

Electrochemical energy storage (EES) materials and devices should be evaluated against clear and rigorous metrics to realize the true promises as well as the limitations of these fast-moving technologies.
Blue-emitting bolaamphiphilic zwitterionic iridium(iii) complex
Authors: Darmawan Noviyan , Sambri Letizia , Daniliuc Constantin G. , De Cola Luisa
Published: February 2019

Aggregation induced emission of blue emitting bolaamphiphilic zwitterionic Ir(iii) complex.
Tuning particle–particle interactions to control Pickering emulsions constituents separation
Authors: Sabri Faezeh , Berthomier Kevin , Wang Chang-Sheng , Fradette Louis , Tavares Jason R. , Virgilio Nick
Published: February 2019

This work demonstrates how grafting natural polysaccharides, herein sodium alginate, on a particle surface enhances the separation of Pickering emulsion constituents.
Aerobic oxidation of the C–H bond under ambient conditions using highly dispersed Co over highly porous N-doped carbon
Authors: Nie Renfeng , Chen Jingwen , Chen Minda , Qi Zhiyuan , Goh Tian-Wei , Ma Tao , Zhou Lin , Pei Yuchen , Huang Wenyu
Published: February 2019

Highly dispersed Co in porous N-doped carbon is active for oxidation of the C–H bond to ketones under 60 °C and 1 atm O2, which is 41.3 times more active in comparison to ZIF-67-derived Co catalyst.
Laboratory based GIXRF and GEXRF spectrometers for multilayer structure investigations
Authors: Szwedowski-Rammert Veronika , Baumann Jonas , Schlesiger Christopher , Waldschläger Ulrich , Gross Armin , Kanngießer Birgit , Mantouvalou Ioanna
Published: February 2019

This work reports laboratory angle resolved XRF measurements with the goal of establishing laboratory techniques to obtain a more complete idea of the intralayer composition of multilayer samples.
Determination of silver nanoparticles in single cells by microwell trapping and laser ablation ICP-MS determination
Authors: Zheng Ling-Na , Sang Yuan-Bo , Luo Rui-Ping , Wang Bing , Yi Fu-Ting , Wang Meng , Feng Wei-Yue
Published: February 2019

Silver nanoparticles in single cells trapped by a microwell array were quantified by laser ablation-ICP-MS.
Elastic reversible valves on centrifugal microfluidic platforms
Authors: Aeinehvand Mohammad Mahdi , Weber Laura , Jiménez Martín , Palermo Andrea , Bauer Maria , Loeffler Felix F. , Ibrahim Fatimah , Breitling Frank , Korvink Jan , Madou Marc , Mager Dario , Martínez-Chapa Sergio O.
Published: February 2019

We developed and modeled tunable reversible valves on microfluidic discs, and employed them to automate a multiplexed immunoassay with peptide microarrays.
Design and properties of a new family of bridged bis(nitraminotetrazoles) as promising energetic materials
Authors: He Piao , Mei Haozheng , Yang Junqing , Zhang Jianguo
Published: February 2019

A new family of bridged bis(nitraminotetrazoles) on the basis of the combination of bistetrazoles and the energetic nitramino as well as various linkage groups was designed, and their properties were investigated in detail. Their good performance makes them promising candidates for new environmentally friendly energetic materials.
Graphene–Si CMOS oscillators
Authors: Gilardi Carlo , Pedrinazzi Paolo , Patel Kishan Ashokbhai , Anzi Luca , Luo Birong , Booth Timothy J. , Bøggild Peter , Sordan Roman
Published: February 2019

The ambipolarity of graphene is exploited to realize a new class of electronic oscillators by integrating a graphene field-effect transistor with Si CMOS logic.
Structure–activity relationship of nanostructured ceria for the catalytic generation of hydroxyl radicals
Authors: Fisher Tamra J. , Zhou Yunyun , Wu Tai-Sing , Wang Meiyu , Soo Yun-Liang , Cheung Chin Li
Published: February 2019

The morphologies and associated atomic structures of ceria catalysts influence their intrinsic activity towards the catalytic production of hydroxyl radicals from hydrogen peroxide.
Aggregation control of Ru and Ir nanoparticles by tunable aryl alkyl imidazolium ionic liquids
Authors: Schmolke Laura , Lerch Swantje , Bülow Mark , Siebels Marvin , Schmitz Alexa , Thomas Jörg , Dehm Gerhard , Held Christoph , Strassner Thomas , Janiak Christoph
Published: February 2019

Small change–large effect: An added para-methyl group on the aryl ring in the 1-aryl-3-alkyl-imidazolium motif of TAAILs leads to well-separated metal nanoparticles.
Design and synthesis of a dual imageable theranostic platinum prodrug for efficient cancer therapy
Authors: Mukherjee Saikat , Patra Diptendu , Dash Tapan K. , Chakraborty Ipsita , Bhattacharyya Rangeet , Senapati Shantibhusan , Shunmugam Raja
Published: February 2019

Platinum-based chemotherapeutic agents are considered first-line treatments for various cancers but their application is limited by the lack of site specificity and severe side effects.
Enhanced thermoelectric properties of polycrystalline BiCuSeO via dual-doping in Bi sites
Authors: Li Fu , Ruan Min , Chen Yuexing , Wang Wenting , Luo Jingting , Zheng Zhuanghao , Fan Ping
Published: February 2019

Enhanced electrical transport properties are achieved for La, Pb co-doped BiCuSeO, resulting in optimized thermoelectric properties.
Crumpling of thin sheets as a basis for creating mechanical metamaterials
Authors: Fokker M. C. , Janbaz S. , Zadpoor A. A.
Published: February 2019

Random formation of layers and ridges through the crumpling of a flat matter can form a robust mechanical metamaterial.
Computational investigations into the structural and electronic properties of CdnTen (n = 1–17) quantum dots
Authors: Imran Muhammad , Saif Muhammad Jawwad , Kuznetsov Aleksey E. , Idrees Nazeran , Iqbal Javed , Tahir Asif Ali
Published: February 2019

It is a systematic study on CdnTen quantum dots based on localized (Gaussian) wave functions that discuss the lowest energy geometries and electronic properties.
Intact mangrove root electrodes for desalination
Authors: Wood Adam R. , Garg Raghav , Justus Kyle , Cohen-Karni Tzahi , LeDuc Philip , Russell Alan J.
Published: February 2019

Biological adaptation in mangrove root enables freestanding carbonized architecture to be used as a highly permeable flow-through capacitive deionization electrode.
Fabrication of Ag/AgBr/Ag3VO4 composites with high visible light photocatalytic performance
Authors: Li Wenxue , Chen Qianlin , Lei Xianyu , Gong Shang
Published: February 2019

Ag/AgBr/Ag3VO4 composites were synthesized by a simple continuous precipitation method, which were used to degrade organic pollutants and found to have excellent photocatalytic properties.
Rapid room temperature synthesis of red iridium(iii) complexes containing a four-membered Ir–S–C–S chelating ring for highly efficient OLEDs with EQE over 30%
Authors: Lu Guang-Zhao , Su Ning , Yang Hui-Qing , Zhu Qi , Zhang Wen-Wei , Zheng You-Xuan , Zhou Liang , Zuo Jing-Lin , Chen Zhao-Xu , Zhang Hong-Jie
Published: February 2019

Three red iridium(iii) complexes with dithiocarbamate ligands were rapidly synthesized at room temperature with good yields, and their OLEDs exhibit an EQEmax of 30.54% with mild efficiency roll-off.
Hydroxyl-mediated ethanol selectivity of CO2 hydrogenation
Authors: Yang Chengsheng , Mu Rentao , Wang Guishuo , Song Jimin , Tian Hao , Zhao Zhi-Jian , Gong Jinlong
Published: February 2019

This paper describes the promotional effect of hydroxyl groups over RhFeLi/TiO2 catalysts for the ethanol synthesis via CO2 hydrogenation.
Diphosphination of CO2 and CS2 mediated by frustrated Lewis pairs – catalytic route to phosphanyl derivatives of formic and dithioformic acid
Authors: Szynkiewicz Natalia , Ponikiewski Łukasz , Grubba Rafał
Published: February 2019

The first example of CO2 diphosphination is described.
Benchmarking quantum chemistry methods for spin-state energetics of iron complexes against quantitative experimental data
Authors: Radoń Mariusz
Published: February 2019

Wave function and DFT methods tested against quantitative, experimentally-derived benchmark data of relative spin-state energetics for iron complexes.
Facile synthesis of porous carbon/Ni12P5 composites for electrocatalytic hydrogen evolution
Authors: Wang Fangxiao , Liu Yan-ming , Zhang Chun-yang
Published: February 2019

We demonstrate for the first time the facile synthesis of porous carbon/Ni12P5 (C/NiP-C) composites for electrocatalytic hydrogen evolution.
Prediction of MXene based 2D tunable band gap semiconductors: GW quasiparticle calculations
Authors: Zhang Yujuan , Xia Weiyi , Wu Yabei , Zhang Peihong
Published: February 2019

MXenes are a large family of layered transition metal carbide/nitride materials that possess a number of desired properties such as flexible chemical composition, high mechanical strength, and excellent structural stability.
Heterogeneous catalysts based on built-in N-heterocyclic carbenes with high removability, recoverability and reusability for ring-opening polymerization of cyclic esters
Authors: Liu Wen , Tian Guo-Qiang , Yang Dan-Dan , Wu Gang , Chen Si-Chong , Wang Yu-Zhong
Published: February 2019

Both activity and reusability are critical issues for developing new generation metal-free catalytic systems.
Activatable smart nanoprobe for sensitive endogenous MMP2 detection and fluorescence imaging-guided phototherapies
Authors: Hu Binbin , Li Pengyun , Zhang Yu , Shan Changfu , Su Pingru , Cao Jing , Cheng Bo , Wu Wenyu , Liu Weisheng , Tang Yu
Published: February 2019

A stimuli-activatable nanoprobe for precise cancer theranostics has been designed and fabricated, which integrates multiple functions with matrix metalloproteinase 2 sensing and selective photodynamic/photothermal therapies.
Shape-programming of hyperelastic plates through differential growth: an analytical approach
Authors: Wang Jiong , Wang Qiongyu , Dai Hui-Hui , Du Ping , Chen Danxian
Published: February 2019

In this work, we study the plane-strain deformations of hyperelastic plates induced by differential growth, aiming to derive some analytical formulas for 2D shape-programming of hyperelastic plates.
Enhanced electrocaloric strength of P(VDF-TrFE-CFE) induced by edge-on lamellae
Authors: Qian Jianfeng , Guo Mengfan , Jiang Jianyong , Dan Zhenkang , Shen Yang
Published: February 2019

Edge-on lamellae induced in the P(VDF-TrFE-CFE) terpolymer lead to significantly enhanced electrocaloric strength without compromising the thermal stability.
Autophagy induced by SAHA affects mutant P53 degradation and cancer cell survival
Authors: Foggetti Giorgia , Ottaggio Laura , Russo Debora , Mazzitelli Carlotta , Monti Paola , Degan Paolo , Miele Mariangela , Fronza Gilberto , Menichini Paola
Published: February 2019

Missense mutations in the TP53 gene produce mutant p53 (mutp53) proteins which may acquire oncogenic properties favoring chemoresistance, cell migration, and metastasis. The exploitation of cellular pathways that promote mutp53 degradation may reduce cell proliferation and invasion as well as increase the sensitivity to anticancer drugs, with a strong impact on current cancer therapies. In the last years, several molecules have been characterized for their ability to induce the degradation of mutp53 through the activation of autophagy. Here, we investigated the correlation between autophagy and mutp53 degradation induced by suberoylanilide hydroxamic acid (SAHA), an FDA-approved histone deacetylase inhibitor. In the human cancer lines MDA-MB-231 (mutp53-R280K) and DLD1 (mutp53-S241F), SAHA induced a significant mutp53 degradation. However, such degradation correlated with autophagy induction only in MDA-MB-231 cells, being counteracted by autophagy inhibition, which also increased SAHA-induced cell death. Conversely, in DLD1 cells SAHA triggered a low level of autophagy despite promoting a strong decrease in mutp53 level, and autophagy inhibition did not change either mutp53 levels or sensitivity to this drug. We conclude that autophagy can be a relevant pathway for mutp53 degradation induced by SAHA, but its contribution to mutp53 destabilization and the consequences on cell death are likely context-dependent.
Search for AGN counterparts of unidentified Fermi-LAT sources with optical polarimetry
Authors: Mandarakas N. , Blinov D. , Liodakis I. , Kouroumpatzakis K. , Zezas A. , Panopoulou G. V. , Myserlis I. , Angelakis E. , Hovatta T. , Kiehlmann S. , Kokolakis K. , Paleologou E. , Pouliasi A. , Skalidis R. , Pavlidou V.
Published: February 2019

Context. The third Fermi-LAT catalog (3FGL) presented the data of the first four years of observations from the Fermi Gamma-ray Space Telescope mission. There are 3034 sources, 1010 of which still remain unidentified. Identifying and classifying γ-ray emitters is of high significance with regard to studying high-energy astrophysics.

Aims. We demonstrate that optical polarimetry can be an advantageous and practical tool in the hunt for counterparts of the unidentified γ-ray sources (UGSs).

Methods. Using data from the RoboPol project, we validated that a significant fraction of active galactic nuclei (AGN) associated with 3FGL sources can be identified due to their high optical polarization exceeding that of the field stars. We performed an optical polarimetric survey within 3σ uncertainties of four unidentified 3FGL sources.

Results. We discovered a previously unknown extragalactic object within the positional uncertainty of 3FGL J0221.2+2518. We obtained its spectrum and measured a redshift of z = 0.0609 ± 0.0004. Using these measurements and archival data we demonstrate that this source is a candidate counterpart for 3FGL J0221.2+2518 and most probably is a composite object: a star-forming galaxy accompanied by AGN.

Conclusions. We conclude that polarimetry can be a powerful asset in the search for AGN candidate counterparts for unidentified Fermi sources. Future extensive polarimetric surveys at high Galactic latitudes (e.g., PASIPHAE) will allow the association of a significant fraction of currently unidentified γ-ray sources.
Laboratory formation of large molecules in the gas phase
Authors: Zhen Junfeng
Published: February 2019

We report the experimental study on the formation process of large molecules (e.g. a family group of molecular clusters and graphene) in the gas phase. The experiment was carried out using a quadrupole ion trap in combination with time-of-flight mass spectrometry. As the initial molecular precursor, dicoronylene (DC, C48H20)/anthracene (C14H10) cluster cations, the results show that large PAH cluster cations (e.g., (C14H10)C48Hn+, n = [1–19] and (C14H10)C62Hm+, m = [1–25]) and PAH-graphene cluster cations (e.g., (C14H10)nC48+, n = 0, 1, 2, 3 and (C14H10)mC62+, m = 0, 1, 2) are formed by gas-phase condensation under laser irradiation conditions. We infer that these results present in here provide a formation route for interstellar large molecules under the influence of a strong radiation field in the ISM. The relevance of newly formed species to the nanometer-sized dust grain in space is briefly discussed.
Study on the enhancement of hydrogen generation via biomass gasification in fluidizedbed reactors
Authors: Chyou Yau-Pin , Chen Po-Chuang , Chang Der-Ming , Wu Keng-Tung , Chein Rei-Yu
Published: February 2019

In this study, solid biomass is gasified in fluidized-bed reactors, to investigate the effect of various means on syngas composition, especially for enhancing hydrogen content in the production gas. Conventionally, air is supplied to the reactor as gasification medium, which inevitably results in a high nitrogen content in the syngas. Alternatively, steam or oxygen-rich gas can be supplied to improve the syngas characteristics. On the other hand, a so-called “indirect gasification technology” realizes the whole conversion processes in dual reactors, for combustion and gasification, respectively; moreover, solid materials are circulated through two reactors, while gaseous streams in between are separated from each other. Hence, this system features the advantage of producing near nitrogen-free syngas in the gasifier, with air as oxidant in the combustor. Baseline experiments with various operating parameters, including air equivalence ratio (ER) and temperature, were firstly performed in a 30 kWth bubbling fluidized-bed gasifier; then, trial tests were conducted with the aforementioned operational and constructional factors. The preliminary test data show positive trends for the enhancement of hydrogen generation via biomass gasification. Further efforts will be pursued to establish a data base, which would be beneficial to extensive researches on clean energy and carbon abatement technologies.
Flexible hydrogen fuel cell fabricated on paper with embedded aluminium foil
Authors: Wang Yifei , Kwok Holly , Zhang Yingguang , Pan Wending , Leung Dennis Y.C.
Published: February 2019

Direct hydrogen fuel cells are generally heavy and rigid systems based on metal or plastic materials, which are not suitable for various miniwatt and flexible devices. In this study, we have developed a lightweight and flexible fuel cell based on paper substrate embedded with an Al foil inside, which is used as an in-situ hydrogen source by reaction with an electrolyte solution during operation. Benefited from the inhibited hydroxyl transportation by the porous cellulose network, the vigorous Al corrosion reaction is well controlled even though strong alkaline electrolyte is adopted, so that the fuel cell can be discharged for more than 5 hours at 1 mA cm-2 (0.83 V) with only 3.5 mg Al foil. The corresponding faradaic and energy efficiencies are as high as 72% and 18.3%, respectively. The fuel cell flexibility is also quite good when facing different bending angles. Considering its moderate power output, this flexible paper-based hydrogen fuel cell is especially suitable for powering various miniwatt and flexible devices, such as wearable electronics, biosensors, RFID tags, etc. However, higher power can be obtained by suitable stacking of the fuel cell.
Numerical investigation on the characteristics of water transfer in PEMFC with bionic flow channel
Authors: Chen Tao , Liu Shihua , Yang Li
Published: February 2019

The content and the transmission characteristics of the water in the polymer electrolyte membrane fuel cell (PEMFC) have a significant influence on its performance. So far, there are few separate numerical studies on the process of water transport in the bionic flow channel, and the performance of bionic flow channel is different from conventional flow channel in part owing to the differences of their water drainage. Therefore, in order to understand the water drainage process of bionic flow channel, two different types of bionic flow channels are adopted in this paper. The method of numerical simulation is used to study the transmission process of liquid water in the bionic flow channel of different placement orientations. The simulation results found that the orientations of bionic flow channel has an influence on the process of water transport in the flow channel, and the process of water drainage also has a significant difference in the two different types of bionic flow channel.
Effects of temperature on oxidation behaviours of 35CrMo in high temperature flue gas environment
Authors: Cui Chengchao , Wang Shuzhong , Yang Jianqiao , Zhang Baoquan , Jiang Zhuohang , Wang Dong , Li Jianna
Published: February 2019

The pipelines made by alloy 35CrMo are widely used in the process of flue gas injection. Therefore, corrosion behaviours of alloy 35CrMo have been investigated at varied temperatures, namely 120 °C, 150 °C, 200 °C and 250 °C, with same experimental pressure of 9 MPa and flus gas environment. Scanning electron microscopy was employed to examine the morphologies and microstructures of the oxide films. The results indicated that moderate temperature stands an essential role in the reaction mechanism and aggressive effects. In addition to increase in the diffusion rate of both alloy ions and corrosive gas, temperature can also reform the morphology of oxides by resulting in larger oxide particles and thicker oxide films, plus the transmission from needle-like oxides to spherical oxides.
Forecasting of electricity demand in the region
Authors: Sowiński Janusz
Published: February 2019

Ongoing structural changes on the electricity market and technological development affecting consumers and producers increase uncertainty concerning demand for electricity, even in a short-time horizon. Because of this, it is necessary to develop forecasting methods. This paper presents a method for forecasting electricity demand based on the idea of an end-use model. Such models use regional electricity consumption rates and population growth predictions as input data, on the basis of which they yield electricity demand forecast for the whole country and for particular regions. The model also deploys stochastic differential equations for simulating time-variation of electricity consumption rates by means of the Euler method. On the basis of available statistical data, the results of a forecast in a medium-term horizon are presented.
General earth fault protection for MV networks using wavelet decomposition and Bayesian criterion
Authors: Marciniak Lubomir
Published: February 2019

For selective detection of earth faults in medium voltage networks, the general protection can be used, which unlike individual protections controls earth currents in all lines supplied from the substation. To detect high-resistance and arc faults, it is possible to use in such protections the details from wavelet decomposition of earth currents and the Bayesian conditional probability criterion. The paper presents a protection model using details of earth currents and the Bayesian criterion. Significant parameters of the model were determined: sampling frequency, wavelet types and decomposition levels, parameters of the probability density function and decision conditions. The effectiveness of the protection in the case of non-stationary high-resistance short-circuits in the network with natural asymmetry and harmonic distortion was also assessed.
Mathematical models of the electric arc of variable geometrical parameters based on static voltage-current characteristics
Authors: Sawicki Antoni
Published: February 2019

The paper presents the Schellhase and Pentegov models utilizing static voltage-current characteristics for representing processes occurring in the electric arc. In the approximations of these characteristics variation in geometrical parameters, i.e. arc length and cross-section is taken into account. A modification of the Voronin-type models is also proposed, introducing a static voltage-current characteristic. In this way, it is possible to take into account distortions of the arc geometrical parameters of the static and dynamic character.
An alternative approach to provisions of the Network Code on blocking HVDC LCC systems during short-circuits in AC network
Authors: Szablicki Mateusz , Rzepka Piotr , Halinka Adrian , Czapaj Rafał
Published: February 2019

The Network Code for HVDC systems introduces a requirement for such systems to remain in operation in an AC network during short-circuits. This requirement (among others) is determined by a time curve of a minimum voltage in HVDC connection point. The HVDC system is not allowed to be turned-off while the voltage value exceeds the values of the curve, however the HVDC system in LCC technology does not meet this requirement. The Network Code introduces the possibility of blocking the LCC systems. After the LCC system is blocked it stops transmitting the power, which prevents the LCC system from being turned off during a short-circuit in the network but results in a lack of power exchange between the network and the LCC system. Therefore, the authors developed a proposal to limit the power level being transmitted by the LCC system, thus there is no necessity to block the LCC system operation. The simulation research carried out clearly indicate the validity of this idea. In addition, the authors presented the concept of an automation system that adaptively adjusts the scale of the LCC system power level reduction to change the network operating conditions during a short-circuit in the network. The operation of this automation system is presented for the practical LCC system model installed in the Polish Power System.
The idea of non-restricted use of LV networks by electricity consumers, producers, and prosumers
Authors: Szablicki Mateusz , Rzepka Piotr , Sołtysik Maciej , Czapaj Rafał
Published: February 2019

Until now, electricity users are being connected to the LV networks by a physical electricity consumption point. In this point an electricity meter is assigned to each and every one user. A given user may use the flowing electricity only by the meter assigned to him at the consumer-specific point. This is a significant limitation in the non- restricted access to the power network. The Authors come with an idea to eliminate this restriction. The paper presents the concept of virtualization of a physical point of electric power consumption in a LV network. The proposed novel idea of using the power network will ensure the expected non-restricted access to any point of the power network for users. This seems particularly important nowadays and is dictated by the growing expectations of users’ mobility. The presented concept is dedicated especially to networks in the form of clusters (cooperatives) or energy clouds. Its application in LV networks will significantly simplify the users’ use of the power infrastructure, also in the aspect of financial settlements. This should also contribute to the rapid significant development of electro- mobility.
Solar air drying for innovative Opuntia ficus-indica cladode dehydration
Authors: Ciriminna Rosaria , Morreale Vincenzo , Pecoraino Mario , Pagliaro Mario
Published: February 2019

Providing a case study of general applicability in all world's semi-arid regions where the plant is increasingly harvested, we describe the use and outcomes of solar air heating and ventilation coupled to a conventional kiln to dehydrate Opuntia ficus-indica cladodes. For the first time, the dried cladodes and the ground dehydrated ‘Nopal’ cladodes retain their natural green-yellow color. New applications to functionalize foodstuff and to formulate nutraceutical, personal care and cosmetic products of even higher efficacy and broader scope are anticipated.
Design of Digital Logical Controller in the Non-Circulating DC Speed Adjusting System
Authors: Ma Qing , Guo Haokun
Published: February 2019

The non-circulating DC speed adjusting system is widely used. DLC is the core controller of the non-circulating DC speed adjusting system. The working principle of DLC was analyzed. A simulation model of the DLC controller was built. The parameters of the DLC were set. The reversible system obtained forward and reverse waveforms was obtained. And the simulation results surface: the method is correct and feasible.
Intelligent Control and Target-controlled Infusion
Authors: Wang Na , Wang Jinguo , Liu Dechuan
Published: February 2019

With the development of science and technology, intelligent control system has been used more and more widely. Closed-loop target-controlled infusion system is a typical example. This great combination of medicine and intelligent control system, especially in the field of anesthesia, solves many clinical problems. This article mainly introduces some typical examples of closed-loop target-controlled infusion system.
Model Analysis and Optimization of BIM Technology in High-rise Shear Wall Residential Structure
Authors: Xiao Liangli , Liu Yan , Du Zhuang , Yang Zhao , Xu Kai
Published: February 2019

This study combines specific high-rise shear wall residential projects with the Revit to demonstrate BIM application processes. The use of R-Star CAD may help to realize the link barrier of the building information model and the structural analysis software PKPM. Sequentially, the information supplement of the structural analysis model is completed by extracting the structural information with the Revit secondary development. By the collaborative design platform based on BIM technology, the paper examines the collision check of structural model, conducts collision analysis on other professional models and modifies the design scheme for conflict points. After the statistics of material usage, an optimized design is proposed. The findings of this paper could contribute to provide some reference for the specific application of BIM in structural design and realize the application of BIM technology in the process of building structure design.
The Application of Intelligent Control in Clinical Medicine
Authors: Wang Na , Wang Jinguo , Wang Yuanyuan
Published: February 2019

Since the emergence of intelligent control, it has continuously developed and been applied to various fields, which has also greatly promoted the progress of clinical medicine and solved some difficult problems in clinical work. The development of intelligent control pushes the emergence and development of new technologies and new industries. It promotes a new wave of information technology, which continuously penetrates medicine. Intelligent control plays an increasingly important role, and its application in medical field is an inevitable trend. This article mainly gives examples of intelligent control in some clinical departments.
Design and Implementation of Campus Competition Information Sharing Platform Based on Android
Authors: Ming Xiaobo , Pan Haizhen , Wu Yun
Published: February 2019

At present, the market share of the Android system in the smartphone operating system has reached 90%. In view of the limitations of the existing sharing platform for campus competition information, a campus APP, which integrates competition and activity information release, information sharing and interrogative interaction, is put forward. In this paper, the overall architecture design, function module design, database design and RESTful API design are carried out. The Java language and MVP pattern are used by Android part. Python language, RESTful architecture and ORM technology are used at the backend to realize the information of publishing competition information, the list of competition information, the information of search competition and the management of competition information. The platform is running on the North Campus of Guizhou University, the current operation situation is well.
Analysis of the Combination of Information Technology and Government Functions ——Take China MOOC as an Example
Authors: Qi Binhua
Published: February 2019

With the advent of "Internet +", the information age has followed, and the traditional teaching model is no longer fully qualified for the current and future teaching channels. The MOOC platform should be produced by the times. MOOC has set off a wave of education reform, and it will inevitably lead to the government's management transformation in the field of education. The government's management functions affect the development of MOOC This paper provides a reference for improving information technology by reviewing China's MOOC and current status issues, and guiding domestic MOOC information technology and government management.
An Algorithm Rapidly Segmenting Chinese Sentences into Individual Words
Authors: Xiong Zhibin
Published: February 2019

This paper proposes an improved Trie tree structure. The tree node records the position information of the characters participating in the word formation, and the child node uses the hash search mechanism. On this basis, the forward maximum matching algorithm of Chinese word segmentation is optimized. In the process of word segmentation, the automaton mechanism is used to judge whether it constitutes the longest word, and the problem that the forward maximum matching algorithm needs to adjust the string according to the word length is solved. The algorithm time complexity is 1.33, and the comparison test results show that there is a fast word segmentation speed. The forward maximum matching algorithm based on the improved Trie tree structure improves the Chinese word segmentation speed, especially when the dictionary structure needs to be updated in real time.
Map Analysis of the Progress of Tourism Interpretation Research: Based on the Measurement Comparison of Chinese and International Literature
Authors: Li Jia
Published: February 2019

This paper collects research literature on tourism interpretation at home and abroad, uses Citespace software to analyze the co-linearity of keyword networks, studies the thematic collinear map, compares the content of collinear maps of the past years, and finds that the theoretical basis of domestic research is relatively simple, especially there is no complete and systematic research system on the interpretation of national parks. In addition, the sources of domestic research funds are mostly concentrated in the National Natural Science Foundation, which means that regional governments and local industry organizations pay insufficient attention to research in this field, and the research results have little guiding effect on practice. Studying the scientific explanation of tourism, excavating the natural and humanistic knowledge of tourist attractions, and presenting them in an effective and reasonable way can solve the problem of low quality of tourism supply and respond to the reform of the supply side of China's tourism economy. To this end, this study will lay the foundation for the improvement of the quality of domestic tourism service supply.
Human Resource Management in the dental office: the advent of scientific and adaptive Management
Authors: Cochet R.
Published: February 2019

The professionalization of the “management” function in dental practices and especially in group practices and specialized dento-facial orthopedics has become a major challenge for their economic viability.

However, most practitioners manage their care structure and team empirically and intuitively on the “patriarchal” model that has been in place for decades in human-sized businesses.

Unilateral decision-making, omnipotence and authoritarianism are favored to the detriment of a more participative and delegative mode of management involving the firm’s human and active forces in its continuous improvement approach (Quality approach).

The management of organizational change and the adoption of working methods inherited from scientific management are all the more important as the social and economic situation is increasingly undermining the dental industry.
Zur Kommunikationsstruktur von Gefährdungssituationen – PART II: „Simulation und Reduktion von Zwangsmaßnahmen in der Psychiatrie“ (SRZP)
Authors: Radovic Marco , Debus Stephan
Published: February 2019

Durch welche Kommunikationsweisen von Therapeuten und Patienten können psychiatrische Gefährdungssituationen hinsichtlich ihrer (Un-)Ähnlichkeit unterschieden werden? Explorative Cluster- und Diskriminanzanalysen des Datenmaterials (Kommunikationsprofile aus Filmanalysen – vgl. Teil I) führen zu mindestens fünf Situationstypen. Die berechnete Diskriminanzfunktion mit 18 Prädiktorvariablen kann 96,3 % aller Situationen korrekt klassifizieren. Die Ergebnisse zeigen, dass und wie psychiatrische Gefährdungssituationen mittels sprachhandlungsbezogener Methoden differenziert werden können.
1,5,7-Triazabicylodec-5-ene-Promoted Direct Vinylogous Aldol Reaction for the Synthesis of 3-Hydroxy-2-oxoindole Derivatives
Authors: Wang Qinggang , Zhang Xianhui , Zhou Li , Mahmood Qaiser , Zhao Mengmeng , Wang Xiaowu
Published: February 2019

A simple and efficient method has been developed for the synthesis of 3-hydroxy-2-oxoindole derivatives through a direct vinylogous aldol reaction of allylic esters with isatins, catalyzed by 1,5,7-triazabicyclodec-5-ene. This method affords a variety of 3-hydroxy-2-oxoindole derivatives in moderate to excellent yields with high regioselectivities. An asymmetric version of this reaction catalyzed by Corey’s chiral guanidine proceeded with moderate enantioselectivity. The protocol can also be used to synthesize isatin spiro ethers.
Acute Manifestations of Neuromuscular Disease
Authors: Edmundson Christyn , Bird Shawn
Published: February 2019

Neuromuscular emergencies may be defined as disorders or exacerbation of diseases of the peripheral nervous system that are rapidly progressive and potentially life-threatening. Such disorders can affect any level of the peripheral nervous system, from the muscle to the anterior horn cell. While their clinical manifestations may vary, severe morbidity and mortality is most frequently the result of neuromuscular respiratory failure. Some disorders, such as Guillain–Barré syndrome, provide the additional threat of severe, and potentially irreversible, nerve loss. Others, such as rhabdomyolysis and malignant hyperthermia, may produce serious medical complications. This article reviews neuromuscular emergencies by localization in the peripheral nervous system of the underlying disorder, as well as the identification and management of neuromuscular respiratory failure.
Wilderness Neurology
Authors: Schlein Sarah , Marcolini Paul , Marcolini Evie
Published: February 2019

The study of wilderness medicine is within the scope of medical care in the austere environment and addresses medicine as practiced in the setting of delayed access to definitive medical care, hostile environment, limited equipment, and inherent risks to the patient and/or rescuers. Part of this topic includes the care of patients with neurologic illness and/or injury.

We will address the five most important skills of a wilderness medicine professional: decision making, prevention, preparation, protocol development, and education by applying the principles to select common neurologic problems that occur in the extended environment: traumatic brain injury, dehydration, hyponatremia, heat illness, hypothermia, spine injury, and lightning injury. We will focus on the most pertinent aspects of wilderness medicine: signs and symptoms, initial stabilization and treatment, evacuation, and extended care.

An astute wilderness medicine specialist brings environmental and medical skill sets together to know when it is better to treat in the field and when evacuation, with its inherent risks to the patient and rescuers, is unavoidable.
Predicting Cardiac Surgery-Associated Acute Kidney Injury Using a Combination of Clinical Risk Scores and Urinary Biomarkers
Authors: Grieshaber Philippe , Möller Sina , Arneth Borros , Roth Peter , Niemann Bernd , Renz Harald , Böning Andreas
Published: February 2019

Background Prediction, early diagnosis, and therapy of cardiac surgery-associated acute kidney injury (CSA-AKI) are challenging. We prospectively tested a staged approach to identify patients at high risk for CSA-AKI combining clinical risk stratification and early postoperative quantification of urinary biomarkers for AKI.

Methods All patients, excluding those on chronic hemodialysis, undergoing scheduled surgery with cardiopulmonary bypass between August 2015 and July 2016 were included. First, patients were stratified by calculating the Cleveland clinic score (CCS) and the Leicester score (LS). In high-risk patients (defined as LS > 25 or CCS > 6), urinary concentrations of biomarkers for AKI ([TIMP-2]*[IGFBP-7]) were evaluated 4 hours postoperatively. CSA-AKI was observed until postoperative day 6 and classified using the Kidney Disease: Improving Global Outcomes criteria.

Results AKI occurred in 352 of613 patients (54%). In high-risk patients, AKI occurred more frequently than in low-risk patients (66 vs. 49%; p = 0.001). In-hospital mortality after AKI stage 2 (15%) or AKI stage 3 (49%) compared with patients without AKI (1.8%; p = 0.001) was increased. LS was predictive for all stages of AKI (area under the curve [AUC] 0.601; p < 0.001) with a poor or fair accuracy, while CCS was only predictive for stage 2 or 3 AKI (AUC 0.669; p < 0.001) with fair accuracy. In 133 high-risk patients, urinary [TIMP-2]*[IGFBP-7] was significantly predictive for all-stage AKI within 24 hours postoperatively (AUC 0.63; p = 0.017). However, for the majority of AKI (55%), which occurred beyond 24 hours postoperatively, urinary [TIMP-2]*[IGFBP-7] was not significantly predictive. Sensitivity for all-stage AKI within 24 hours was 0.38 and specificity was 0.81 using a cutoff value of 0.3.

Conclusion CSA-AKI is a relevant and frequent complication after cardiac surgery. Patients at high risk for CSA-AKI can be identified using clinical prediction scores, however, with only poor to fair accuracy. Due to its weak test performance, urinary [TIMP-2]*[IGFBP-7] quantification 4 hours postoperatively does not add to the predictive value of clinical scores.
A Regression Model for Prediction of Cesarean-Associated Blood Transfusion
Authors: Albright Catherine M. , Spillane Timothy E. , Hughes Brenna L. , Rouse Dwight J.
Published: February 2019

Objective To develop a model to predict cesarean-associated red blood cell transfusion.

Study Design Secondary analysis of all cesarean deliveries in the Maternal-Fetal Medicine Units Network Cesarean Registry. Using a split-sample technique, the derivation group was used to identify associated factors and build predictive models, and the validation group was used to estimate classification errors and determine test characteristics. Using factors available at the time of cesarean, we developed a multivariable logistic regression prediction model.

Results A total of 59,468 women were split evenly and randomly into the derivation and validation groups. The overall rate of transfusion was 2.7%. The area under the receiver operating characteristic curve for the derivation and validation groups were 0.82 (95% confidence interval [CI]: 0.80–0.84) and 0.84 (95% CI: 0.82–0.85), respectively (p = 0.16). The strongest predictors of transfusion were placenta previa (odds ratio [OR]: 7.06, 95% CI: 5.19–9.61) and eclampsia/Hemolysis Elevated Liver Enzymes Low Platelets syndrome (OR: 5.67, 95% CI: 3.77–8.51). In the validation group, the model had a sensitivity, specificity, positive, and negative predictive values of 55.8, 91.5, 16.2, and 98.6%, respectively. Overall, 90.5% of patients were correctly classified.

Conclusion A regression model incorporating variables available at the time of cesarean accurately predicts the need for intra- or postoperative transfusion.
Fractionally delayed Legendre wavelet transform based detection and optimal features based classification of voltage sag causes
Authors: Saini M. K. , Aggarwal A.
Published: February 2019

Detection of underlying causes of voltage sag is more crucial than detection of voltage sag from the mitigation point of view. Therefore, this paper proposes the detection and classification of the eight causes of voltage sag. This approach augments the conventional technique of wavelet transform by designing the fractionally delayed Legendre wavelet as the signal processing tool. The unique event characteristics are sought from approximation, and detailed signal coefficients which are obtained by using 4-level multiresolution analysis. To achieve a higher classification rate, the best optimal features are rummaged around the extracted features by employing the ant lion optimization algorithm. This algorithm retains only the suitable features as per the fitness criterion based on the classification accuracy and number of features. The representative feature set is classified using the classifier ensemble employing plural majority voting. The classifier ensemble has three members which are support vector machine, probabilistic neural network, and multilayer neural network. Better performance of the classifier ensemble is observed as compared to individual members in classification of voltage sag causes. The efficacy of the proposed methodology has been validated in the presence of noise also. This approach has successfully classified the causes of voltage sag using optimal features with good accuracy in the case of both noiseless signals and noisy signals.
Microfluidic rectifier for polymer solutions flowing through porous media
Authors: Kawale Durgesh , Jayaraman Jishnu , Boukany Pouyan E.
Published: February 2019

Fluidic rectification refers to anisotropic flow resistance upon changing the flow direction. Polymeric solutions, in contrast to Newtonian fluids, can exhibit an anisotropic flow resistance in microfluidic devices by tuning the channel shape at low Reynolds number. Such a concept has not been investigated in an anisotropic porous medium. We have developed a fluidic rectifier based on an anisotropic porous medium consisting of a periodic array of triangular pillars that can operate at a low Reynolds number. Rectification is achieved, when the type of high Weissenberg number elastic instabilities changes with the flow direction. The flow resistance differs across the two directions of the anisotropic porous medium geometry. We have identified the type of elastic instabilities that appear in both forward and backward directions. Particularly, we found a qualitative relation between the dead-zone instability and the onset of fluidic rectification.
Installation and commissioning of the European XFEL beam transport in the first two beamlines from a metrology point of view
Authors: Vannoni M. , Freijo-Martin I.
Published: February 2019

The European XFEL is a large x-ray free-electron laser facility under construction in the Hamburg area of Germany. It is designed to provide a transversally fully coherent x-ray radiation with outstanding characteristics: high repetition rate (up to 2700 pulses with a 0.6 ms long pulse train at 10 Hz, for a total of 27 000 pulses/s), short wavelength (down to 0.05 nm), short pulse (in the femtosecond scale), and high average brilliance [1.6 × 1025 photons/s/(mm2/mrad2)/0.1% bandwidth]. Five main beamlines are foreseen, with three fully financed and installed, called SASEs (from “self-amplified spontaneous-emission”): SASE1 (hard x-rays, 3–25 KeV), SASE2 (hard x-rays, 3 to possibly 60 KeV with the use of a third harmonic), and SASE3 (soft x-rays, 0.3–3 KeV). For each beamline, two separate scientific instruments will be served using the beam alternately in 24-h, 7-day shifts. The installation and commissioning of the European XFEL beamlines are proceeding rapidly. So far, the hard x-ray SASE1 beamline and the soft x-ray SASE3 beamline, both injected with the same electron beam, have been installed and fully commissioned. SASE1 already delivers beam to the corresponding stations and has been open for external users since September 2017. The SASE3 beamline was successfully commissioned in February 2018, and the simultaneous operation of SASE3 and SASE1 was also demonstrated. In the meantime, the SASE2 beamline is being equipped and will be commissioned starting October 2018. We present the last results in the SASE1 and SASE3 beam transport, taking consideration in particular of the metrology carried out before the installation, the installation itself, and the final commissioning. The different stages were crucial to have good quality optical beam and fast commissioning to proceed with the delivery to experiments and users.