bluuebunny/crossref_metadata_2025_split huggingface dataset:
Using Behavioral Based Safety to Enhance Safety Performance
Authors: Fazilov Jamil , Senouci Ahmed , Al-Derham Hassan 
Published: December 2018

Safety in the construction industry has progressed exponentially in the last century. The development of the Occupational Safety and Health Administration (OSHA) may be seen as a major milestone for work place safety. However, the first stages of OSHA were reactive. In the early 2000‘s, companies placed aggressive focus on the application of proactive measures in preventing incidents rather than simply reacting. Risk Assessments, Constructability Reviews, and Hazard Identifications were few of the best practices implemented in this time period. Experts now believe the implementation of a Behavioral Based Safety Program (BBS) is the next revolutionary technique to help decrease injury rates further. Several studies were conducted which exhibit a correlation between effective BBS implementation and OSHA classified recordable injury rates. However, there are no previous studies identifying correlation between BBS implementation versus Near Misses, and BBS implementation versus OSHA classified First Aid Cases. This paper helps identify whether BBS implementation on a typical Petrochemical/refinery construction project impacts the number of Near Misses and First Aid Cases. BBS was implemented on 14 different construction projects within Technip, collecting all BBS and incident data, and applying different analysis techniques to identify existing trends between BBS observations/First Aids Cases/Near Misses. It helps identify whether BBS improves the safety performance on a job site by identifying its impact on injuries, in addition to Near Miss reporting. The paper will assist similar companies with evaluating whether the implementation of a BBS program yields favorable results to the safe performance of their projects.
Propriétés physiques des grenats. Calcul de la dimension de la maille unité à partir de la composition chimique
Authors: McConnell Duncan 
Published: December 2018

Dans l'hypothèse d'une relation strictement linéaire entre la composition chimique et les dimensions de la maille unité pour les membres du groupe des grenats, on obtient l'expression : a = 9,900 + 1,212 r²⁺ + 1,464 r³⁺, qui contient des fonctions linéaires du rayon divalent et du rayon trivalent d'Ahrens. Les dimensions de la maille unité ainsi obtenues sont comparées aux valeurs observées, et utilisées comme points de départ pour le calcul des indices de réfraction et des densités pour les membres hypothétiques de fin de série des grenats selon Fermor de même que pour les membres de fin de série des six grenats courants et des hydrogrenats. Bien que les grenats ne constituent pas un groupe homologue simple, les calculs sont probablement utiles et semblent cohérents.
Étude du polymorphisme des sesquioxydes de terres rares à haute température
Authors: Foëx Marc , Traverse Jean-Pierre 
Published: December 2018

Les courbes obtenues lors de l'analyse thermique des sesquioxydes de terres rares à haute température présentent, entre 1 800° et 2 400° C, un certain nombre d'anomalies susceptibles de correspondre à des changements de forme cristalline. L'étude aux rayons X à haute température de ces phénomènes a permis de confirmer cette hypothèse et de mettre en évidence deux formes cristallines nouvelles. Tous les sesquioxydes de terres rares, à l'exception probablement du dernier terme de la série, Lu₂O₃, cristallisent sous une forme hexagonale II stable à haute température. On étudie le passage de cette forme aux formes classiques de ces oxydes : A hexagonale, B monoclinique et C cubique. En outre, les premiers sesquioxydes de la série (La₂O₃ à Gd₂O₃) présentent, au voisinage de leur fusion, une autre forme cristalline de structure non encore identifiée.
Structure cristalline de CoAs2
Authors: Darmon R. , Wintenberger Micheline 
Published: December 2018

Groupe d'espace : P 2₁/c. a = 6,03 Å ; b = 5,86 Å ; c = 5,92 Å ; β = 117° ; Z = 4.
Chaque cobalt est entouré d'un octaèdre irrégulier d'atomes d'arsenic, et a un voisin cobalt à 2,77 Å. Chaque arsenic a un voisin arsenic à 2,45 Å et trois voisins cobalt. Ces quatre voisins forment un tétraèdre irrégulier.
Modèle d'évolution de paysages, application aux karsts en cockpit de Jamaïque
Authors: Fleurant Cyril , Tucker Gregory , Viles Heather 
Published: December 2018

Landscape evolution model, example of cockpit karst terrains, Jamaica
A model of cockpit karst landscape evolution is presented. After explaining implementation of dissolution processes of limestone in the landscape evolution model CHILD, we develop a model of limestone denudation based on epi karst theory processes. The model takes into account an anisotropic dissolution in space and time according to what is observed in reality or described by scenarios of cockpit karst landscape evolution. This model requires a fracture's network to take into account subsurface flow. Then, dissolution and thus fractures widening are computed and show a positive feedback between dissolution and flow. The relation between subcutaneous dissolution of fractures and denudation of the topography is introduced by means of an empirical equation associated with epikarst processes : the denudation is taken to be proportional to the dissolution in the subcutaneous zone. Simulated cockpit karst terrains are compared with real landscapes by means of morphometric criteria. Results of the model are very dose to reality which hence confirms the importance of anisotropic dissolution processes and above all could be a numerical validation of the epikarst processes to describe cockpit karst genesis.
Association of Serum Total Cholesterol with Pegylated Interferon-α Treatment in HBeAg-Positive Chronic Hepatitis B Patients
Authors: Xun Zhen , Lin Jin-Piao , Liu Can , Huang Jin-Lan , Shen Ye , Xu Si-Yi , Wu Wen-Nan , Ou Qi-Shui 
Published: December 2018

Background Recent studies suggest that serum lipids are associated with pegylated interferon-alpha (PEG-IFN-α) treatment response in chronic hepatitis C patients. However, the role of serum lipids in influencing the outcome of HBV treatment is not well understood. This study aims to investigate the association of serum lipids with the response to interferon-alpha treatment for chronic hepatitis B (CHB) patients. Methods We dynamically measured 11 clinical serum lipid parameters of 119 hepatitis B e antigen (HBeAg)-positive CHB patients, including 53 patients who achieved sustained response (SR) and 66 patients who achieved non-response (NR) induced by PEG-IFN-α treatment for 48 weeks. Results The dynamic analysis showed that the baseline serum total cholesterol (TCHO) level was higher in the NR group than that in the SR group ( P=0.004). Moreover, the correlation analysis demonstrated a significant positive correlation between TCHO and hepatitis B surface antigen (HBsAg) at baseline ( P=0.009). In addition, CHB patients with high baseline TCHO levels exhibited higher HBV DNA, HBsAg, HBeAg and hepatitis B e antibody (HBeAb) levels during early treatment periods (weeks 0, 4, 12 and 24) than those with the low TCHO levels. Furthermore, the logistic regression analysis identified that baseline serum TCHO was a risk factor for NR achievement (OR=4.94; P=0.047). Conclusions: Our results indicated that serum TCHO was associated with PEG-IFN-α therapeutic response in HBeAg-positive CHB patients which suggested that serum TCHO could be useful as an auxiliary clinical factor to predict poor efficacy of PEG-IFN-α therapy.
[First nesting of Phalacrocorax pygmeus in Mantua province (Lombardy, N Italy)]
Authors: Grattini Nunzio , Bellintani Stefano , Gialdi Paolo 
Published: December 2018

[The Authors describe the first Pygmy Cormorants nesting in the Province of Mantua, in the “Valli del Mincio” Natural Reserve, in 2014 and 2015.]
[Article in Italian]
Družbenogospodarski razvoj obmejnih območij v Sloveniji
Authors: Klemenčič Marijan M. 
Published: December 2018

Skoraj vsa obmejna območja v Sloveniji zaostajajo v driižbeno-gospodarskem razvoju. Osnovni vzrok je v naravnih mejah, po katerih poteka državna meja ter gospodarska nerazvitost območij na drugi strani meje.
Narodnostno mešano območje občine Lendava in nova državna meja
Authors: Zupančič Jernej , Repolusk Peter 
Published: December 2018

Prispevek obravnava vplive nove državne meje med Slovenijo in Hrvaško na narodnostno mešanem območju občine Lendava v severovzhodni Sloveniji. Različne socialne, starostne in narodnostne skupine imajo različen odnos do prostorskih vplivov nove meje.
Filozofija, metodologija in vizija razvoja podeželja
Authors: Premzl Vilibald 
Published: December 2018

V članku so prikazani osnovni elementi planiranja s posebnim ozirom na podeželski prostor Izpostavljena je potreba po izvajanju politike razvoja podeželskega prostora, ki mu je tudi v Sloveniji na vseh ravneh posvečene premalo pozornosti.
Opredelitev dnevne migracije v občini Ravne na Koroškem s posebnim ozirom na možnosti celične proizvodnje
Authors: Gosar Anton 
Published: December 2018

Celično proizvodnjo predvidevamo za demografsko ustrezna območja. Kandidati za Železarni ustrezno celično proizvodnjo so predvsem naslednje tri socialnodemografske kategorije: nezaposleni (iz socialnih razlogov), delavci na začasnem delu v tujini (zaradi možnosti naložbe kapitala) in predvsem v Železarni zaposleni dnevni migranti. Napor, izdatki in poraba časa za potovanje na delo govorijo v prid približevanju delovnega mesta bivališču. Nameravana celična proizvodnja Železarne Ravne daje dnevnim migrantom možnosti delati v dislociranih obratih z isto tehnologijo kot v Železarni. Dnevno migracijo na Koroškem želimo v tej fazi proučevanja opredeliti po naslednjih kazalcih: število vseh dnevnih migrantov Železarne v koroški regiji in prepletenost dnevne migracije v Železarno z migracijami v druge obrate in ustanove v občini Ravne.
Prometnogeografski položaj krajev v KS Črna
Authors: Černe Andrej 
Published: December 2018

Prometnogeografski položaj krajev - naselij, vasi in posameznih kmetij smo določili na osnovi analize tipologije cestnega omrežja v KS Črna. Namen opredeljevanja prometnega položaja krajev je bil v vrednotenju relativne lokacije krajev z vidika njihove medsebojne prometne povezanosti in prometne dostopnosti. Vrednotenje lokacij posameznih krajev s prometnogeografskega vidika pa je ena izmed osnov za določevanje najprimernejše lokacije proizvodnih celic v KS Črna.
Geografske značilnosti gozdne vegetacije v KS Črna
Authors: Lovrenčak Franc 
Published: December 2018

Gozd porašča večji del ozemlja krajevne skupnosti Črna. V gospodarstvu tega predela je imel in še ima pomembno vlogo. Marsikomu, ki se še ukvarja s kmetijstvom, daje prodaja lesa pretežni del dohodka. Vendar se v zadnjem času izraziteje kažejo negativne posledice onesnaženega zraka. Žveplov dioksid vpliva na sušenje drevesnih vrst. Prizadetost gozdnega drevja, prej omejena na ožje območje terjava, se je močno razširila po zgornji Mežiški dolini. Poškodbe na drevju se kažejo že severno od Mežice in na jugu od Žerjava v širši okolici Črne. Gozd je treba obravnavati v okviru vsega gospodarstva, saj gre tu za območje ob državni meji in je potrebno pojave opuščanja obdelovanja zemlje in zaraščanja kulturne pokrajine ustrezno upoštevati.
Lokacijski dejavniki ponudnikov informacijske in komunikacijske opreme - proučeni na območju Ren - Maina
Authors: Bördlein Ruth 
Published: December 2018

Hiter razvoj informacijske in komunikacijske opreme zasleduje določene lokacije, ki so posledica gospodarske in prebivalstvene sestave. Hkrati pa ta dejavnost vpliva tudi obratno na razvoj gospodarstva in prebivalstva.
Možnosti razvoja Rogle na Pohorju z vidika primernosti pokrajine za rekreacijo
Authors: Horvat Uroš 
Published: December 2018

Prispevek predstavlja v prvem delu osnovna izhodišča in značilnosti metode vrednotenja primernosti pokrajine za rekreacijo, v drugem delu pa rezultate vrednotenja primernosti Rogle na Pohorju za izbrane rekreacijske aktivnosti in iz tega izhajajoče možnosti nadaljnjega razvoja.
Nekateri negativni pojavi v novejši preobrazbi pokrajinske podobe Zgornjega in Srednjega Posočja
Authors: Kunaver Jurij 
Published: December 2018

Kljub gospodarskemu napredku v centralnih krajih Zgornjega in Srednjega Posočja v dnu glavnih dolin doživljajo njegove odročnejše pokrajine v zadnjih desetletjih močno depopulacijo in propadanje kulturne pokrajine. Ta se odraža v različnih oblikah, zlasti v postopnem spreminjanju pokrajinske podobe in zemljiške strukture zaradi ogozdovanja in v izginjanju nekaterih pokrajinskih prvin.
Razporeditev prebivalstva v Severovzhodni Sloveniji z vidika kraja bivanja in kraja zaposlitve
Authors: Belec Borut 
Published: December 2018

Članek analizira razmerje med številom aktivnega prebivalstva v kraju bivanja in v kraju zaposlitve ter razmerje zaposlenih glede na kraj zaposlitve z namenom ugotavljanja stopnje demogeografske mobilnosti.
Kako tudi s slabšim DMR do uspešnih aplikacij
Authors: Radovan Dalibor 
Published: December 2018

Opisan je postopek korekcije in analize natančnosti uradnega DMR-100 za celo Slovenijo. Kot alterantiva je naveden projekt digitalne baze reliefa, ki temelji na digitalnih plastnicah. V smislu izboljšave DMR sta obdelana pomen in smiselnost uporabe interpolacijskih metod. Na koncu je predstavljenih pet aplikacij DMR-100 s področja kartografije, prostorskega planiranja, radiodifuzije in višje geodezije.
Primer uporabe GIS-a v topoklimatski analizi pokrajine za potrebe vinogradništva
Authors: Žiberna Igor 
Published: December 2018

Za potrebe analize leg vinogradniških površin in spreminjanja vinogradniških površin med leti 1824 in 1985 smo izdelali preprost GIS za dve sondni območji v Srednjih Slovenskih goricah. GIS je kot osnovno ploskev uporabil mrežo DMR 50 x 50 m. S pomočjo nekaterih topoklimatskih podatkov smo poskušali izdelati karto klimatsko primernih območij za vinsko trto. Prikazane so tudi spremembe vinogradniških površin med leti 1824 in 1985.
Primeri uporabe GIS pri katastru odlagališč odpadkov in ocenjevanju njihove nevarnosti
Authors: Šebenik Igor , Špendl Robert 
Published: December 2018

Odlagališča odpadkov so v Sloveniji množičen pojav. Šele v zadnjih letih se jim posveča večja pozornost. Kmalu je postalo jasno, da je dobra evidenca kataster odlagališč podlaga za programe sanacij odlagališč. Sanacije brez ustrezne dokumentacije so pomanjklive, saj se dogaja, da nekatera odlagališča preprosto zginejo, se zasujejo brez vednosti kaj smo zasuli ali s časom o zasuti lokaciji obstajajo le še nasprotujoč si ustna izročila. V taki situaciji je tehnologija GIS več kot dobrodošla za upravljanje s podatki o odlagališčih. Vsekakor je podatkovni sloj odlagališč odpadkov potreben GIS-u za upravljanje s prostorom. Dobro razvita računalniška atributivna baza in grafični prikazi na merilih 1:5000 ali 1:10000 so povsem primerna podlaga za razvoj tega sloja. Na vodovarstvenem območju smo z PC ARC/INFO izdelali testni GIS. Za potrebe MVOUP Republike Slovenije pa se je izdelala aplikacija za povpraševanje po podatkih v GeoSQL. Nadaljna poteza je ekspertni sistem za postopek prioritetizacije nevarnosti odlagališč za okolje na osnovi računalniške baze podatkov v GIS.
Sistem za izdelavo digitalnega ortofota na PC
Authors: Gvozdanović Tomaž 
Published: December 2018

Digitalni ortofoto postaja v svetu osnovni sloj GIS-ov. Izdelava digitalnega ortofota temelji na razpačevanju digitalnih slik aeroposnetkov, ki predstavljajo ogromne količine podatkov. Trenutno poznane operacionalne rešitve temeljijo na delovnih postajah in specialni strojni opremi. V referatu je predstavljen sistem, ki je plod domačega znanja, in je operacionalen na močnejših PC računalnikih. Poudarek je na reševanju problemov v zvezi s hranjenjem, prenosi in obdelavo digitalnih slik. Sistem je namenjen predvsem izdelavi digitalnega ortofota, ki glede natančnosti ustreza TTN5 oziroma TTN10 in je kot tak interesanten za najširši krog uporabnikov.
Influence of gravity waves on the climatology of high-altitude Martian carbon dioxide ice clouds
Authors: Yiğit Erdal , Medvedev Alexander S. , Hartogh Paul 
Published: December 2018

Abstract. Carbon dioxide (CO2) ice clouds have been routinely observed in the
middle atmosphere of Mars. However, there are still uncertainties concerning
physical mechanisms that control their altitude, geographical, and seasonal
distributions. Using the Max Planck Institute Martian General Circulation
Model (MPI-MGCM), incorporating a state-of-the-art whole atmosphere
subgrid-scale gravity wave parameterization (Yiğit et al., 2008), we
demonstrate that internal gravity waves generated by lower atmospheric
weather processes have a wide-reaching impact on the Martian climate.
Globally, GWs cool the upper atmosphere of Mars by ∼10 % and
facilitate high-altitude CO2 ice cloud formation. CO2 ice
cloud seasonal variations in the mesosphere and the mesopause region
appreciably coincide with the spatio-temporal variations of GW effects,
providing insight into the observed distribution of clouds. Our results
suggest that GW propagation and dissipation constitute a necessary physical
mechanism for CO2 ice cloud formation in the Martian upper atmosphere
during all seasons.
20% Efficient Perovskite Solar Cells with 2D Electron Transporting Layer
Authors: Zhao Xiaojuan , Liu Shuangshuang , Zhang Haitao , Chang Sheng‐Yung , Huang Wenchao , Zhu Bowen , Shen Yan , Shen Cai , Wang Deyu , Yang Yang , Wang Mingkui 
Published: December 2018

AbstractHerein, a 2D SnS2 electron transporting layer is reported via self‐assembly stacking deposition for highly efficient planar perovskite solar cells, achieving over 20% power conversion efficiency under AM 1.5 G 100 mW cm−2 light illumination. To the best of the authors' knowledge, this represents the highest efficiency that has so far been reported for perovskite solar cells using a 2D electron transporting layer. The large‐scaled 2D multilayer SnS2 sheet structure triggers a heterogeneous nucleation over the perovskite precursor film. The intermolecular Pb⋅⋅⋅S interactions between perovskite and SnS2 could passivate the interfacial trap states, which suppress charge recombination and thus facilitate electron extraction for balanced charge transport at interfaces between electron transporting layer/perovskite and hole transporting layer/perovskite. This work demonstrates that 2D materials have great potential for high‐performance perovskite solar cells.
Controlled Doping of Wafer‐Scale PtSe2 Films for Device Application
Authors: Xu Hu , Zhang Haima , Liu Yawen , Zhang Simeng , Sun Yangye , Guo Zhongxun , Sheng Yaochen , Wang Xudong , Luo Chen , Wu Xing , Wang Jianlu , Hu Weida , Xu Zihan , Sun Qingqing , Zhou Peng , Shi Jing , Sun Zhengzong , Zhang David Wei , Bao Wenzhong 
Published: December 2018

AbstractSemiconductive transition metal dichalcogenides (TMDs) have been considered as next generation semiconductors, but to date most device investigations are still based on microscale exfoliation with a low yield. Wafer scale growth of TMDs has been reported but effective doping approaches remain challenging due to their atomically thick nature. This work reports the synthesis of wafer‐scale continuous few‐layer PtSe2 films with effective doping in a controllable manner. Chemical component analyses confirm that both n‐doping and p‐doping can be effectively modulated through a controlled selenization process. The electrical properties of PtSe2 films have been systematically studied by fabricating top‐gated field effect transistors (FETs). The device current on/off ratio is optimized in two‐layer PtSe2 FETs, and four‐terminal configuration displays a reasonably high effective field effect mobility (14 and 15 cm2 V−1 s−1 for p‐type and n‐type FETs, respectively) with a nearly symmetric p‐type and n‐type performance. Temperature dependent measurement reveals that the variable range hopping is dominant at low temperatures. To further establish feasible application based on controllable doping of PtSe2, a logic inverter and vertically stacked p–n junction arrays are demonstrated. These results validate that PtSe2 is a promising candidate among the family of TMDs for future functional electronic applications.
High Performance Roll‐to‐Roll Produced Fullerene‐Free Organic Photovoltaic Devices via Temperature‐Controlled Slot Die Coating
Authors: Na Seok‐In , Seo You‐Hyun , Nah Yoon‐Chae , Kim Seok‐Soon , Heo Hyojung , Kim Jueng‐Eun , Rolston Nicholas , Dauskardt Reinhold H. , Gao Mei , Lee Youngu , Vak Doojin 
Published: December 2018

AbstractSolution‐processed organic photovoltaics (OPVs) have continued to show their potential as a low‐cost power generation technology; however, there has been a significant gap between device efficiencies fabricated with lab‐scale techniques—i.e., spin coating—and scalable deposition methods. Herein, temperature‐controlled slot die deposition is developed for the photoactive layer of OPVs. The influence of solution and substrate temperatures on photoactive films and their effects on power conversion efficiency (PCE) in slot die coated OPVs using a 3D printer‐based slot die coater are studied on the basis of device performance, molecular structure, film morphology, and carrier transport behavior. These studies clearly demonstrate that both substrate and solution temperatures during slot die coating can influence device performance, and the combination of hot substrate (120 °C) and hot solution (90 °C) conditions result in mechanically robust films with PCE values up to 10.0% using this scalable deposition method in air. The efficiency is close to that of state‐of‐the‐art devices fabricated by spin coating. The deposition condition is translated to roll‐to‐roll processing without further modification and results in flexible OPVs with PCE values above 7%. The results underscore the promising potential of temperature‐controlled slot die coating for roll‐to‐roll manufacturing of high performance OPVs.
A Stretchable Ionic Diode from Copolyelectrolyte Hydrogels with Methacrylated Polysaccharides
Authors: Lee Hae‐Ryung , Woo Jaesung , Han Seok Hee , Lim Seung‐Min , Lim Sungsoo , Kang Yong‐Woo , Song Won Jun , Park Jae‐Man , Chung Taek Dong , Joo Young‐Chang , Sun Jeong‐Yun 
Published: December 2018

AbstractAs the demand for soft and flexible devices steadily increases, the ionic applications demonstrated with gel materials have come under the spotlight. Here, stretchable and wearable ionic diodes (SIDs) made from polyelectrolyte hydrogels are introduced. Polyelectrolyte hydrogels are mechanically modified using methacrylated polysaccharides while preserving the ion‐permselectivity of poly(sulfopropyl acrylate) potassium salt (PSPA) and poly([acrylamidopropyl]trimethylammonium chloride) (PDMAPAA‐Q), forming ionic copolymers. Then, SIDs composed of polyelectrolyte copolymer hydrogels are fabricated in VHB substrates as a stretchable and transparent insulating layer which is engraved by a laser. The SIDs show rectifying behaviors beyond the stretch of 3 with the aid of perfect adhesion between hydrogels and elastomeric substrates, and preserve their rectifications over hundreds of cycles. The operation of the SID is visualized by a wearable ionic circuit which rectifies ionic currents and lightens the LED under the forward bias during finger movements.