bluuebunny/crossref_metadata_2025_split huggingface dataset:
TRABALHO E SUBJETIVIDADE NA “NOVA” CONFIGURAÇÃO LABORAL: QUEM PAGA A CONTA?
Authors: Heloani Roberto , Piolli Evaldo 
Published: January 2019

<div class="page" title="Page 1"><div class="layoutArea"><div class="column"><p><span style="font-size: 11.000000pt; font-family: 'Garamond';">O texto apresenta uma análise geral sobre a nova configuração do trabalho ao mesmo tempo em que discute suas implicações à saúde e à subjetividade dos trabalhadores. Na primeira parte analisamos o desenvolvimento das organizações e o desenvolvimento do aparato administrativo e burocrático destacando sua função mediadora e produtora de ideologia. Sob a lógica da reprodução ampliada do capital a teoria da administração produz eficientes resignificações em relação ao trabalho e novas formas de controle, submissão e disciplinamento. Discute a atual conformação do trabalho sob o arranjo pós- fordista, o qual pressupõe esquemas flexíveis que requisitam o envolvimento subjetivo do trabalhador elevando sua visibilidade e maior responsabilização pelos resultados e metas. Analisa a concepção ideológica produzida no âmbito das organizações centrada no desempenho individual e sua consequência para a saúde mental daqueles que vivem do seu trabalho. </span></p></div></div></div>
A EDUCAÇÃO EM MÉSZÀROS: TRABALHO, ALIENAÇÃO E EMANCIPAÇÃO
Authors: Cherobini Demetrio 
Published: January 2019

<div class="page" title="Page 1"><div class="layoutArea"><div class="column"><p><span style="font-size: 11.000000pt; font-family: 'Garamond';">István Mészáros é um autor que há muitos anos se dedica a uma tarefa imprescindível: utilizar o ferramental teórico criado por Marx para compreender a sociedade do capital e, com base nisso, fornecer elementos para a elaboração de uma estratégia capaz de revolucionar o atual modo de controle do metabolismo social. Seu intento fundamental é bastante claro e visível em todos os seus escritos: envidar esforços para a realização da comunidade de homens e mulheres verdadeiramente emancipados, </span><span style="font-size: 11.000000pt; font-family: 'Garamond,Italic';">comunismo</span><span style="font-size: 11.000000pt; font-family: 'Garamond';">, e evitar assim que a barbárie capitalista comprometa o futuro da humanidade. Mas apesar de o filósofo húngaro possuir uma vasta e reconhecida produção intelectual e escrever há pelo menos seis décadas, são poucos os estudos sistemáticos sobre o seu pensamento. Nesse sentido, a obra do professor Caio Antunes, </span><span style="font-size: 11.000000pt; font-family: 'Garamond,Italic';">A educação em Mészáros: trabalho, alienação e emancipação</span><span style="font-size: 11.000000pt; font-family: 'Garamond';">, vem ajudar a suprimir essa lacuna, trazendo uma importante contribuição para todos os que no Brasil se interessam pelas questões que envolvem a relação entre </span><span style="font-size: 11.000000pt; font-family: 'Garamond,Italic';">educação </span><span style="font-size: 11.000000pt; font-family: 'Garamond';">e </span><span style="font-size: 11.000000pt; font-family: 'Garamond,Italic';">revolução</span><span style="font-size: 11.000000pt; font-family: 'Garamond';">. </span></p></div></div></div>
Enhancing the Photoelectric Performance of Photodetectors Based on Metal Oxide Semiconductors by Charge‐Carrier Engineering
Authors: Ouyang Weixin , Teng Feng , He Jr‐Hau , Fang Xiaosheng 
Published: January 2019

AbstractSemiconductor‐based photodetectors (PDs) convert light signals into electrical signals via the photoelectric effect, which involves the generation, separation, and transportation of the photoinduced charge carriers, as well as the extraction of these charge carriers to external circuits. Because of their specific electronic and optoelectronic properties, metal oxide semiconductors are widely used building blocks in photoelectric devices. However, the compromise between enhancing the photoresponse and reducing the rise/decay times limits the practical applications of PDs based on metal oxide semiconductors. As the behaviors of the charge carriers play important roles in the photoelectric conversion process of these PDs, researchers have proposed several strategies, including modification of light absorption, design of novel PD heterostructures, construction of specific geometries, and adoption of specific electrode configurations to modulate the charge‐carrier behaviors and improve the photoelectric performance of related PDs. This review aims to introduce and summarize the latest researches on enhancing the photoelectric performance of PDs based on metal oxide semiconductors via charge‐carrier engineering, and proposes possible opportunities and directions for the future developments of these PDs in the last section.
Macrophage and Fibroblast Interactions in Biomaterial‐Mediated Fibrosis
Authors: Witherel Claire E. , Abebayehu Daniel , Barker Thomas H. , Spiller Kara L. 
Published: January 2019

AbstractBiomaterial‐mediated inflammation and fibrosis remain a prominent challenge in designing materials to support tissue repair and regeneration. Despite the many biomaterial technologies that have been designed to evade or suppress inflammation (i.e., delivery of anti‐inflammatory drugs, hydrophobic coatings, etc.), many materials are still subject to a foreign body response, resulting in encapsulation of dense, scar‐like extracellular matrix. The primary cells involved in biomaterial‐mediated fibrosis are macrophages, which modulate inflammation, and fibroblasts, which primarily lay down new extracellular matrix. While macrophages and fibroblasts are implicated in driving biomaterial‐mediated fibrosis, the signaling pathways and spatiotemporal crosstalk between these cell types remain loosely defined. In this review, the role of M1 and M2 macrophages (and soluble cues) involved in the fibrous encapsulation of biomaterials in vivo is investigated, with additional focus on fibroblast and macrophage crosstalk in vitro along with in vitro models to study the foreign body response. Lastly, several strategies that have been used to specifically modulate macrophage and fibroblast behavior in vitro and in vivo to control biomaterial‐mediated fibrosis are highlighted.
Ambipolar Conjugated Polymers with Ultrahigh Balanced Hole and Electron Mobility for Printed Organic Complementary Logic via a Two‐Step CH Activation Strategy
Authors: Ni Zhenjie , Wang Hanlin , Zhao Qiang , Zhang Jianqi , Wei Zhixiang , Dong Huanli , Hu Wenping 
Published: January 2019

AbstractHigh mobility ambipolar conjugated polymers are seriously absent regardless their great potential for flexible and printed plastic devices and circuits. Here, ambipolar polymers with ultrahigh balanced hole and electron mobility are developed via a two‐step CH activation strategy. Diketopyrrolopyrrole‐benzothiadiazole‐diketopyrrolopyrrole (DBD) and its copolymers with thiophene/selenophene units (short as PDBD‐T and PDBD‐Se) are used as examples. PDBD‐Se exhibits highly efficient ambipolar transport with hole and electron mobility up to 8.90 and 7.71 cm2 V−1 s−1 in flexible organic field‐effect transistors, presenting a milestone for ambipolar copolymer screening. Based on this performance metrics and good solubility, PDBD‐Se is investigated as inkjet‐printable semiconductor ink for organic complementary logic circuits. Under ambient processing, maximum hole and electron mobilities reach 6.70 and 4.30 cm2 V−1 s−1, respectively. Printed complementary inverter and NAND gates with transition voltages near VDD/2 are fabricated, providing an easy‐handling, general material for printed electronics and logic.
Revealing the Effects of Trace Oxygen Vacancies on Improper Ferroelectric Manganite with In Situ Biasing
Authors: Cheng Shaobo , Meng Qingping , Han Myung‐Geun , Deng Shiqing , Li Xing , Zhang Qinghua , Tan Guotai , Botton Gianluigi A. , Zhu Yimei 
Published: January 2019

AbstractMultiferroic materials, which exhibit multiple orderings, are promising for next generation data‐storage device applications. YMnO3, in particular, because of the coexistence of the ferroelectricity and (anti)ferromagnetism within one single material, has drawn special attentions to application‐based research. However, the role of defect chemistry related to the behaviors of the ferroelectric polarization has been seldomly studied due to its complexity. In this work, a novel switching behavior of multiferroic YMnO3 single crystal is reported using in situ biasing and Landau based numerical calculation. It is revealed that the domain switching only happens at the topmost surface, which can be well explained by the electric field redistribution due to the trace amount of oxygen vacancies. These in situ observations demonstrate that defect chemistry plays an important role in domain switching and can be utilized as an additional parameter for controlling the distribution of electric field within the multiferroic materials.
Visible‐Light‐Induced, Manganese‐Catalyzed Tandem Cyclization of 2‐Biphenyl Isocyanides with Cyclopropanols for the Synthesis of 6‐β‐Ketoalkyl Phenanthridines
Authors: Wang Liping , Ding Qiuping , Li Xiaofang , Peng Yiyuan 
Published: January 2019

AbstractA visible‐light‐induced, manganese‐catalyzed protocol for the synthesis of 6‐β‐keto alkyl phenanthridines has been developed efficiently from 2‐biphenyl isocyanides and cyclopropanols in the absence of an external oxidant. This transformation is amenable to various isocyanides and tertiary cyclopropanols under catalytic amounts of Mn(acac)3 (10 mol%).
Robust fault detection filters design for switched systems with all subsystems unstable
Authors: Su Qingyu , Fan Zhongxin 
Published: January 2019

AbstractThis paper studies the fault detection problem for switched systems with all modes unstable. In this paper, we convert the fault detection filters design problem into the H∞ performance study. First, employing the average dwell time approach, a switching signal ensuring the stability property is acquired. Then, through discretized Lyapunov function method, a novel Lyapunov function is put forward. In addition, sufficient conditions are presented to get the H∞ performance in terms of LMIs. It should be mentioned that the parameters of the fault detection filters can be gained through solving the LMIs, utilizing the Schur's lemma. Finally, an example is given to show the effectiveness of the proposed method.
Vereinfachter Nachweis der inneren Tragfähigkeit von Stabilisierungssäulen
Authors: Alber Dirk 
Published: January 2019

AbstractEin Schema zum Nachweis der inneren Tragfähigkeit von unbewehrten Stabilisierungssäulen auf der Basis von Schiefstellungen in Anlehnung an das Berechnungsschema der DIN EN 1992‐1 wurde vom Verfasser in der Bautechnik 90 (2013) vorgestellt. Um die Anwendung dieses Nachweises zu vereinfachen, wurde eine Vielzahl von Vergleichsberechnungen für verschiedene Arten von Stabilisierungssäulen durchgeführt. So war es möglich, einfache Bemessungskurven für horizontal unverschieblich gehaltene Tragsysteme zu entwickeln, die den Aufwand für diesen Nachweis erheblich verringern.
CGRP monoclonal antibody for preventive treatment of chronic migraine: An update of meta‐analysis
Authors: Han Lin , Liu Yao , Xiong Hai , Hong Peiwei 
Published: January 2019

AbstractBackgroundCGRP monoclonal antibody (mAb) is a promising preventive treatment for episodic migraine and has been approved by US FDA recently. But the treatments for chronic migraine are rare. Therefore, we performed meta‐analysis to assess the efficacy and safety of CGRP mAbs in preventing chronic migraine.MethodsDatabase including Cochrane Library and PubMed were systematically searched for randomized controlled trials (RCTs) which are about CGRP mAb in preventing treatment of chronic migraine. Evaluating the bias and quality of RCTs was carried out according to the Cochrane collaboration's tool for assessing risk of bias. The data analysis was carried out by reviewer manager 5.2.ResultsTotally, 6 articles enrolled in the present meta‐analysis, including 4 independent clinical trials and 3,166 patients. After pooled analysis, it indicated that CGRP mAb improved 50% responder rate (OR = 2.42, 95% CI = [2.04, 2.87], I2 = 0%, p < 0.00001) and 75% responder rate (OR = 1.95, 95% CI = [1.30, 2.91], I2 = 0%, p = 0.001), as compared with placebo. And there was no difference in incidence of adverse events between CGRP mAb group and placebo group except incidence of injection site discomfort.ConclusionsCGRP mAb is an effective and safety preventive treatment for chronic migraine.
Interactive effects of various institutional pressures on corporate environmental responsibility: Institutional theory and multilevel analysis
Authors: Gao Yawen , Gu Jibao , Liu Hefu 
Published: January 2019

AbstractThis study investigates the role of institutional pressures in corporate environmental responsibility (CER) by testing the interacting effects among cognitive, regulative, and normative pressures at cross levels. Specifically, this research decomposes the cognitive dimension of CER into perceived environmental benefit and perceived ethical obligation to differentiate their mechanisms. The sample is obtained from 212 firms within 34 industrial clusters. Results of two‐level regression modeling confirm that regulative and normative pressures play different roles in the positive effects of perceived environmental benefit and perceived ethical obligation on CER. Regulative pressure attenuates the effect of perceived environmental benefit and amplifies the effect of perceived ethical obligation. Meanwhile, normative pressure attenuates the effect of perceived ethical obligation. These findings suggest that heterogeneous interaction effects may reduce the efficiency of institutional pressures during the initial stage of CER diffusion. Implications for future research and policies are discussed.
Long‐term outcome after surgical repair of a rapid‐grown ischemic ventricular aneurysm causing ventricular tachycardia
Authors: Gensler Daniel , Müntze Jonas , Nordbeck Peter 
Published: January 2019

Key Clinical MessageWhile improved treatment numerically decreased ventricular aneurysms after myocardial infarction, respective cases still represent a clinical challenge due to difficulties in diagnosis, complications like tachycardia, and controversies in state‐of‐the‐art treatment. Our case illustrates good long‐term outcome of surgical aneurysmectomy in cases where ventricular geometry can be restored to near‐physiological dimensions.
Severe headache in primary Sjögren’s syndrome treated with intrathecal rituximab
Authors: Tjensvoll Anne Bolette , Lauvsnes Maria Boge , Norheim Katrine Brekke , Omdal Roald 
Published: January 2019

Key Clinical MessageA severe and persistent migrainous headache in a patient with primary Sjøgren's syndrome unresponsive to treatment with immunosuppressive drugs, triptans, opioids, and NSAIDs, responded successfully to intrathecal B‐cell depletion with rituximab. We hypothesize that brain‐resident autoreactive B cells were involved in headache pathogenesis and were eliminated by this procedure.
Urea‐Modified Phenol‐Formaldehyde Resins for the Template‐Assisted Synthesis of Nitrogen‐Doped Carbon Nanosheets as Electrode Material for Supercapacitors
Authors: Liu Hao , Zhai Duo D. , Wang Min , Liu Jin S. , Chen Xiang Y. , Zhang Zhong J. 
Published: January 2019

AbstractVarious kinds of phenol‐formaldehyde resins modified with urea have been firstly designed and synthesized; next, nitrogen‐doped carbon nanosheets with porous features are fabricated by a template‐assisted carbonization method, using the resin as nitrogen and carbon sources, and commercial Mg(OH)2 as template. Increasing the initial molar ratio of urea results in promoting porosity and N content. When a molar ratio of phenol and urea of 1 : 2 is employed, the resulting carbon nanosheets exhibit a large SBET (1503 m2 g−1), high pore volume (3.37 cm3 g−1) and high N doping (6.44 %). Moreover, the material delivers a remarkably improved capacitive performances with a high rate capability up to 81.27 % (pristine material: 27.31 %) and excellent cycling stability up to 119.1 % (pristine material: 88.5 %). Energy densities of up to 4.30 Wh kg−1 (6.0 M KOH) and 10.42 Wh kg−1 (1.0 M Na2SO4) are found, which are almost 2.70 and 6.61 fold compared to that of the pristine one. The present resin‐based synthesis strategy can be extended to other systems and opens up an avenue for producing N‐doped carbon materials for supercapacitor applications.
Comparison of validation variants by sum of ranking differences and ANOVA
Authors: Héberger Károly , Kollár‐Hunek Klára 
Published: January 2019

AbstractThe old debate is revived: Definite differences can be observed in suggestions of estimation for prediction performances of models and for validation variants according to the various scientific disciplines. However, the best and/or recommended practice for the same data set cannot be dependent on the field of usage. Fortunately, there is a method comparison algorithm, which can rank and group the validation variants; its combination with variance analysis will reveal whether the differences are significant or merely the play of random errors. Therefore, three case studies have been selected carefully to reveal similarities and differences in validation variants. The case studies illustrate the different significance of these variants well. In special circumstances, any of the influential factors for validation variants can exert significant influence on evaluation by sums of (absolute) ranking differences (SRDs): stratified (contiguous block) or repeated Monte Carlo resampling and how many times the data set is split (5‐7‐10). The optimal validation variant should be determined individually again and again. A random resampling with sevenfold cross‐validations seems to be a good compromise to diminish the bias and variance alike. If the data structure is unknown, a randomization of rows is suggested before SRD analysis. On the other hand, the differences in classifiers, validation schemes, and models proved to be always significant, and even subtle differences can be detected reliably using SRD and analysis of variance (ANOVA).
Experimental and thermodynamic study of Li‐O and Li2O‐P2O5 systems
Authors: Jin Liling , Wang Jian , Rousselot Steeve , Dollé Mickaël , Chartrand Patrice 
Published: January 2019

AbstractLiFePO4 (LFP) as a promising cathode material has been extensively studied. However, the high cost of current batch production technology limits its application, especially in automotive industries. To develop the new melting synthesis of LFP, the process conditions have to be strictly controlled, such as temperature, composition, and the partial pressure of oxygen. Reliable and accurate thermodynamic information about Li‐Fe‐P‐O systems could serve as a useful guide for designing operating conditions. As part of ongoing efforts, the Li‐O and Li2O‐P2O5 binary systems have been first studied following the CALPHAD method using FactSage thermodynamic software. The data on thermodynamic properties (Cp, enthalpy of formation, and vapor pressure) and phase diagrams (liquidus/solidus temperature, phase transition, and solid solubility) available in the literature were carefully reviewed and evaluated for the above‐mentioned systems. The modified quasichemical model (MQM) with quadruplet approximation was used for the liquid phase in the present studies. This model simultaneously takes into account the short‐range ordering of first‐nearest‐neighbours (FNN) and second‐nearest‐neighbours (SNN), which improves the thermodynamic description of the Gibbs energy of the liquid. The thermodynamic model parameters of the Gibbs energy have been obtained for all of the phases considered in the Li‐O and Li2O‐P2O5 binary systems. DSC‐TGA experiments on the selected four compositions were carried out to validate the liquidus and phase transition temperature reported in the literature. Overall, the self‐consistent thermodynamic description using the model parameters obtained in this work can successfully reproduce the evaluated experimental data.
Social car: The research of interaction design on the driver's communication system
Authors: Yu Zhao , Lin Xun 
Published: January 2019

SummaryRoad traffic in the city is changing with each passing day. The current communication system is based on sound, light, and other ways. Insufficient information may lead to misunderstandings and conflicts among drivers. We hope to use the existing digital information and interaction technology in designing socialized information service for automobiles. This is to enable drivers to exercise a more social behavior while driving. In this paper, the interaction design of a driver communication system is studied. We carried out three driving simulation experiments to study three different ways of interaction interfaces and then promoted a questionnaire based on NASA TLX to understand the subjective feelings and subjective workload of drivers in using these interaction interfaces. The four dimensions of driving quality evaluation, road attention evaluation, interaction effect evaluation, and subjective evaluation are analyzed. The results suggest four ideas. (a) The distractions of the audio and text interface are far below that of the video interface. The audio interface has the least distraction by sending information. (b) The errors in words or pronunciation barely affect the understanding of the meaning of the drivers' message. However, it will cause an increase in distraction. (c) Marking some important information in text display gives drivers a better understanding and interaction experience. (d) The video interface gives drivers a sense of social participation. According to these conclusions, we can give some guidance to the driver's communication system. It not only helps the drivers accomplish the driving task but also creates more social actions with other drivers. It is necessary to reduce driving distraction and enhance the availability for the communication system in the future.
Direct Hydrogenation of Aluminum via Stabilization with Triethylenediamine: A Mechanochemical Approach to Synthesize the Triethylenediamine ⋅ AlH3 Adduct
Authors: Ortmeyer Jochen , Bodach Alexander , Sandig‐Predzymirska Lesia , Zibrowius Bodo , Mertens Florian , Felderhoff Michael 
Published: January 2019

AbstractTwo approaches for the synthesis of the triethylenediamine (TEDA) ⋅ AlH3 adduct have been discovered. Both, the mechanochemical procedure and the wet chemical method lead to crystalline products. Starting from metallic Al powder and TEDA, ball milling under a pressure of 100 bar H2 facilitates a direct hydrogenation of aluminum with conversions up to 90 %. Structure determination from X‐ray powder diffraction data revealed an 1‐D‐coordination polymer of the type [TEDA−AlH3]n. Furthermore, solid‐state NMR techniques have been applied to analyze composition and structure of the products. Due to the polymeric arrangement, an enhanced stability of the material occurred which was investigated by thermal analysis showing a decomposition located above 200 °C. Overall, the stabilization of AlH3 by TEDA holds promise for hydrogen storage applications.