bluuebunny/crossref_metadata_2025_split huggingface dataset:
Voir Neptune au bout de sa plume
Authors: Ringuedé Yohann 
Published: April 2017

En 1846, Urbain Le Verrier découvre grâce à la seule méthode algébrique, la planète Neptune qu’il ne prendra même pas la peine d’aller contempler empiriquement. Cette date constitue un point de bascule dans l’histoire de l’astronomie : désormais, un nouveau savoir voir marque la modernité de la science des astres, qui repose exclusivement sur le nombre. Lorsque Flammarion, plus de trente ans plus tard, relate cette anecdote, il explicite dans un premier temps cette révolution paradigmatique. Cependant, l’astronome vulgarisateur, ardent défenseur d’une astronomie sensible et ouverte à l’imagination, ne peut pas se contenter d’entériner un tel changement. Le texte de vulgarisation met alors au profit de la science des outils littéraires en vue d’inventer un nouveau savoir voir, qui prolonge effectivement, sur la base du calcul algébrique, le nombre par l’observation et par l’outil spéculatif de l’imagination.
Le Paon, le blé et le Château-Margaux
Authors: Plas Élisabeth 
Published: April 2017

Durant la période romantique, l’analogie s’impose comme moyen à la fois d’expression poétique et de connaissance. À travers l’étude de trois auteurs (Fourier, Toussenel et Baudelaire), cet article explore l’un des avatars les plus singuliers de ce paradigme analogique : celui des « analogies passionnelles », sans ressemblances sensibles, mettant en relation les êtres et les choses par-delà les règnes et les apparences. Cette cosmologie fouriériste est à la fois une herméneutique et une grammaire analogique, permettant de voir au-delà du visible ce dont chaque élément est l’emblème. La restituer permet de comprendre la portée des hiéroglyphes animaux de Baudelaire et de saisir un aspect complexe de la pensée analogique du siècle.
Pentecostal talk about God: Attempting to speak from experience
Authors: Nel Marius 
Published: April 2017

Pentecostals have their own ethos to bring to the theological table. Although they represent a diverse spectrum of beliefs, they share a basic preference for experience co-determining their theology, along with their interpretation of Scripture. Their hermeneutical viewpoint since the 1970s that links them with that of early Pentecostals allows them to regard the Bible as the inspired Word of God with authority for their lives although they qualify that statement by adding that encounters with God within the faith community in ways similar to those recorded in the Bible is conditional for understanding and interpreting biblical accounts of God and God’s faith community. It is proposed that Pentecostals need to develop a perspective on the all-inclusive difference made by their experience of God in all areas of their lives. Their experience of God through his Spirit shifts their loci communes and theological method. It is argued that Pentecostal theology should rethink every aspect of theological enterprise through the lens of the reality of God’s encounter with human beings as experienced in the faith community. In the last section, this is demonstrated in terms of one subject, of God as the object of theology.
Reading Hebrews through Akan ethnicity and social identity
Authors: Kissi Seth , Van Eck Ernest 
Published: April 2017

The Akan people of Ghana have concepts of ethnicity and social identity which are similar to those found in the Mediterranean world, which find expression in the issues addressed in the letter to the Hebrews. This similarity makes the reading of Hebrews in light of Akan ethnicity and social identity possible, giving one the expected meaning from the perspective of those concepts as within the original context of the audience. This article therefore discusses some theories on ethnicity and social identity as well as the Akan people of Ghana and their concepts of ethnicity and social identity. It further explains the social context of the letter of Hebrews against which Hebrews is then read in light of Akan ethnicity and social identity. The focus of this reading is on how the ethnic identity of the readers presented in Hebrews enhances the social identity of the readers and provides the means by which the author’s appeal to his readers for their faithfulness to God becomes meaningful and urgent.
Some recent responses to neoliberalism and its views on education
Authors: Van der Walt Johannes L. 
Published: April 2017

This article is about developments that are on the rise in response to the global hegemony of the neoliberal approach to life in general and education in particular. After an outline of what neoliberalism entails and how it has impacted education, the discussion moves on to an outline of several of these new developments that are seemingly unrelated but at the deepest level seem to be critical of neoliberalism and its views about education. This is followed by a critical appraisal of these new developments. The appraisal, executed along the guidelines of the social space and ethical function theory, shows that these new developments, although they suggest a number of important corrections regarding neoliberalism and its views on education, are in themselves one-sided and narrow. It is nevertheless important for educators and educationists to take account of such new developments that are in the process of changing our view of the world.
Towards systematic approaches for the development of carbon dioxide management policy and strategy
Authors: Linke Patrick , Al-Mohannadi Dhabia M. 
Published: April 2017

In Qatar, the energy and basic materials industries together with the utility sector account for significant carbon, energy and water footprints. Individual plants responsible for footprints are clustered in industrial parks, resulting in spatially concentrated, stationary footprints. Individual companies operating plants and the industrial cities at large are challenged to respond to ambitious, emerging footprint reduction targets as part of the nation's transition towards QNV 2030 for sustainable development and the world's quest to avoid dangerous climate change.This presentation will provide an overview over novel, systematic optimization-based approaches to support resource integration in industrial clusters. The focus of the presentation will be on approaches to the sustainable management of carbon dioxide and energy resources around industrial clusters. We will explain how the approaches have extended the state of the art in the field or process integration to enable industrial cluster resource integration to be systematically addressed in planning. The presented approaches have been developed into optimization-based computer aided tools that can help planners identify low footprint options by screening and identifying the most cost efficient solutions for managing resources under footprint and other relevant constraints. Case studies will be presented to illustrate applications and the potential benefits from applying the different approaches. We will conclude by explaining current and future extensions to enable resource planning across the broader nexus beyond GHG and Energy.
The fate of Scincus mitranus in the face of climate change: A Qatar case study
Authors: Majid Sara Abdul , Chatziefthimiou Aspassia D. , Richer Renee , Dargham Soha , Hay Anthony , Louge Michel , Sultan Ali , Herrel Anthony , Courant Julien 
Published: April 2017

Over the past 22 years, annual mean temperatures have increased by 1°C in Qatar and even greater increases are projected in the future. Since lizards depend on thermoregulation to survive, how do such rises in air temperature affect the Eastern sandfish Scincus mitranus in Qatar? S. mitranus exclusively inhabit Barchan dunes, which are restricted to the South-Eastern region of the country and are currently disappearing due to the North-Westerly Al Shamal winds driving them into the sea. Loss of this ecosystem, coupled with climate change pose serious risk to the survival of S. mitranus. Our study was carried out in two tiers. In the first we set out to estimate dune-dependent population densities, while in the second tier of the study we observed sandfish activity in relation to soil temperature. Sandfish (106) were captured and tagged from 5 terrestrial Barchan dunes in Qatar over a period of 10 months. The captured sandfish ranged from 6 to 29 cm in length and, weighed between 2 and 47 g. Sandfish population estimates were generated for 3 large dunes (Slip face area 1.7 × 104 − 2.5 × 104 m2) and ranged from 30–92 individuals while survival probability ranged from 0.39–0.76 per dune, respectively. Population size (R2 = 0.645) and survival probability (R2 = 0.953) were positively correlated with insect abundance within each dune. Sandfish were observed on the surface of sand dunes at soil temperatures of 35 to 55°C. However sandfish were absent at the mean soil temperature of 44.7°C and present at the mean soil temperature of 43.5°C, a small difference of 1.2°C between the 2 means. Heating of the sandfish significantly affected their ability to carry out activities such as foraging, traveling and interacting. This is the first attempt at creating population baselines and understanding the ecology of S. mitranus in the Barchan dunes of Qatar. Our results may be used to inform environmental management policies in order to preserve this fragile ecosystem.
Nitrogenase Cofactor: Inspiration for Model Chemistry
Authors: Djurdjevic Ivana , Einsle Oliver , Decamps Laure 
Published: April 2017

AbstractThe cofactor of nitrogenase is the largest and most intricate metal cluster known in nature. Its reactivity, mode of action and even the precise binding site of substrate remain a matter of debate. For decades, synthetic chemists have taken inspiration from the exceptional structural, electronic and catalytic features of the cofactor and have tried to either mimic the unique topology of the entire site, or to extract its functional principles and build them into novel catalysts that achieve the same—or very similar—astounding transformations. We review some of the available model chemistry as it represents the various approaches that have been taken from studying the cofactor, to eventually summarize the current state of knowledge on catalysis by nitrogenase and highlight the mutually beneficial role of model chemistry and enzymology in bioinorganic chemistry.
In vitro study of the proliferation and growth of human fetal osteoblasts on Mg and Si co‐substituted tricalcium phosphate ceramics
Authors: Parra Juan , García Páez Ismael H. , De Aza Antonio H. , Baudin Carmen , Rocío Martín M. , Pena Pilar 
Published: April 2017

AbstractThe objective of this work was to study the feasibility of the solid state sintering, a conventional ceramic processing method, to obtain Mg and Si co‐substituted tricalcium phosphate bioceramics and composites containing diopside. A series of new Ca3(PO4)2 based ceramics has been prepared from attrition milled mixtures of synthetic Ca3(PO4)2 and CaMg(SiO3)2 powders, isostatically pressed and sintered at 1250–1300°C. Materials containing 0, 1, and 5 wt % of CaMg(SiO3)2 were constituted by β + α ‐ Ca3(PO4)2 solid solutions while the material containing 60 wt % of CaMg(SiO3)2 was a constituted by β‐ Ca3(PO4)2 and CaMg(SiO3)2. The biological responses of the developed ceramics were studied in vitro using human fetal osteoblast cultures. Culture times ranged from 1 to 21 days. The new family of materials promotes the adhesion and proliferation of human osteoblasts cultured onto their surface forming a monolayer and showing a normal morphology. The results of the MTT and Alamar Blue assays showed that the soluble components extracted from the Mg/Si‐ co‐substituted Ca3(PO4)2 and the Ca3(PO4)2‐CaMg(SiO3)2 composite were noncytotoxic. The specimens with diopside exhibited a better in vitro behavior which is attributed to the release of Si and Mg ions to the culture medium, enhancing the activity of cells. © 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 105A: 2266–2275, 2017.
Clinical, Biochemical, and Genetic Features of 41 Han Chinese Families With Primary Hypertrophic Osteoarthropathy, and Their Therapeutic Response to Etoricoxib: Results From a Six-Month Prospective Clinical Intervention
Authors: Li Shan-Shan , He Jin-We , Fu Wen-Zhen , Liu Yu-Juan , Hu Yun-Qiu , Zhang Zhen-Lin 
Published: April 2017

ABSTRACT

Primary hypertrophic osteoarthropathy (PHO) is a rare inherited disease caused by genetic defects in the prostaglandin metabolism pathway; disturbed prostaglandin E2 (PGE2) catabolism resulting in increased PGE2 level is suggested in the pathogenesis. Forty-three Han Chinese patients with PHO were studied and 41 of them were treated. Mutations in the HPGD gene, causing hypertrophic osteoarthropathy, primary, autosomal recessive 1 (PHOAR1; OMIM 259100), were identified in seven patients, and mutations in the SLCO2A1 gene, causing hypertrophic osteoarthropathy, primary, autosomal recessive 2 (PHOAR2; OMIM 614441), were identified in 36 patients. Clinical phenotypes of PHO varied, ranging from mild isolated finger clubbing to severe pachydermia and disabling joint swelling, even within families. Circulating PGE2 metabolism features of PHOAR2 were different from those of PHOAR1. Different frequency and severity of pachydermia between the subgroups were also indicated. A percentage of PHOAR2 patients suffered from gastrointestinal hemorrhage, but this symptom was not observed in the PHOAR1 subgroup. Clinical evidence highlighted the essential role of sex hormones in prostaglandin transporter regulation with respect to PHOAR2 onset, although no significant associations of urinary PGE2 or PGE-M with sex hormones were identified. Treatment with etoricoxib, a selective cyclooxygenase-2 inhibitor, was proved to be beneficial and safe. We detected its notable efficacy in decreasing urinary PGE2 levels in the majority of the enrolled patients during 6 months of intervention; clinical phenotypes assessed, including pachydermia, finger clubbing, and joint swelling, were improved. We found no visible evidence of a positive effect of etoricoxib on periostosis; however, significant links between urinary PGE2 and serum bone turnover markers indicated a potential role of decreased PGE2 in periostosis management. This is the largest reported cohort of subjects genetically diagnosed with PHO. For the first time, we systematically investigated the biochemical and clinical differences between PHOAR1 and PHOAR2, and prospectively showed the positive efficacy and safety of etoricoxib for PHO patients. © 2017 American Society for Bone and Mineral Research.
Solid‐Phase Synthesis of a Seventh‐Generation Inverse Poly(amidoamine) Dendrimer: Importance of the Loading Ratio on the Resin
Authors: Kao Chai‐Lin , Huang Adela Ya‐Ting , Chen Hui‐Ting 
Published: April 2017

Here, this study overcomes the current barriers to efficient solid‐phase synthesis of high‐generation dendrimers by decreasing the loading ratio on the resin. G7 inverse poly(amidoamine) dendrimer is now prepared, for the first time, through a solid‐phase synthesis using only 50% of the available reactive sites and by choosing a large resin. This preparation takes only 15 d to afford highly pure product in 80% yield with precipitation being the only purification procedure used. The results clearly show the amount of the initial monomer loaded on the resin to be a vital factor for the ability to use solid‐phase synthesis to produce large dendrimers. This finding also sets stage for the applications of solid‐phase synthesis for the preparation of other macromolecules.
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The role of Domanik deposits in the formation of oil pools in the central areas of the Volga–Ural petroleum province (Buzuluk depression)
Authors: Kiseleva Yu.A. , Zheglova T.P. , Dakhnova M.V. , Mozhegova S.V. , Nazarova E.S. , Nechitailo G.S. 
Published: April 2017

Abstract
The results of genetic typification of oils and bitumens from oil source rocks (OSR) of the Buzuluk depression are presented. Crude oils within the study area were divided into five genetic types, which differ both in organic-matter composition and in the conditions of its accumulation. Characteristic of the potential source rock was given for each oil type. Oil-to-source rock bitumen correlation studies were performed using biomarker distribution. The studies have shown that only oils from the Upper Devonian–Middle Carboniferous deposits (oils of Types I and II) were generated by Domanik rocks. Middle Devonian oils (Types III–V) are not related to the Domanik strata. The identified relationships between oils and organic matter of different facies-genetic types of Domanikoid-Domanikite OSR can be used to refine the stratigraphic volume and geographic distribution boundaries of Domanik deposits in the study area.
SAFAVIDS BEFORE EMPIRE: TWO 15TH-CENTURY ARMENIAN PERSPECTIVES
Authors: Carlson Thomas A. 
Published: April 2017

AbstractArmenian sources from the 15th century provide distinctive viewpoints on the history of the Safaviyyih Sufi order before the foundation of the Safavid Empire. The history of T‘ovma of Metsop‘ suggests an earlier intermediate step in the militarization of the order, which scholars have typically viewed as an unprecedented development beginning after 1447, and ascribes to the Safavi shaykh the idea of taxing non-Muslims to encourage conversion to Islam. A second Armenian text, a previously unknown colophon, describes Haydar's attack on Shirvan in 1488 and the suffering of the Muslim and Christian sedentary population, as well as an episode of interreligious mockery. It is probably the earliest extant source to identify the Qizilbash by their distinctive red hats. Together, these sources suggest ways in which the Safaviyyih order's development was conditioned by the multireligious environment. They are examples of the value of non-Muslim sources even for late medieval Islamic history.
Plant gum identification in historic artworks
Authors: Granzotto Clara , Arslanoglu Julie , Rolando Christian , Tokarski Caroline 
Published: April 2017

AbstractWe describe an integrated and straightforward new analytical protocol that identifies plant gums from various sample sources including cultural heritage. Our approach is based on the identification of saccharidic fingerprints using mass spectrometry following controlled enzymatic hydrolysis. We developed an enzyme cocktail suitable for plant gums of unknown composition. Distinctive MS profiles of gums such as arabic, cherry and locust-bean gums were successfully identified. A wide range of oligosaccharidic combinations of pentose, hexose, deoxyhexose and hexuronic acid were accurately identified in gum arabic whereas cherry and locust bean gums showed respectively PentxHexy and Hexn profiles. Optimized for low sample quantities, the analytical protocol was successfully applied to contemporary and historic samples including ‘Colour Box Charles Roberson & Co’ dating 1870s and drawings from the American painter Arthur Dove (1880–1946). This is the first time that a gum is accurately identified in a cultural heritage sample using structural information. Furthermore, this methodology is applicable to other domains (food, cosmetic, pharmaceutical, biomedical).
Individual size but not additional nitrogen regulates tree carbon sequestration in a subtropical forest
Authors: Wu Jianping , Duan Honglang , Liu Wenfei , Wei Xiaohua , Liao Yingchun , Fan Houbao 
Published: April 2017

AbstractRecent studies have indicated that tree carbon accumulation in subtropical forests has been negatively affected by global change phenomena such as warming and drought. However, the long-term effect of nitrogen addition on plant carbon storage remains poorly understood in these regions. In this study, we conducted a 10-year field experiment examining the effect of experimental N addition on plant growth and carbon storage in a subtropical Chinese fir forest. The N levels were 0 (control), 60, 120, and 240 kg ha−1yr−1, and the N effects on tree carbon were divided into stand and individual levels. The results indicated that tree carbon storage at the stand scale was not affected by long-term N addition in the subtropical forest. By contrast, significant impacts of different tree size classes on carbon sequestration were found under different N treatments, which indicated that the amount of plant carbon sequestration was significantly enhanced with tree size class. Our findings highlight the importance of community structure and growth characteristics in Chinese fir forests, in which individual size but not additional N regulates tree carbon sequestration in this subtropical forest.
Nonspecific synaptic plasticity improves the recognition of sparse patterns degraded by local noise
Authors: Safaryan Karen , Maex Reinoud , Davey Neil , Adams Rod , Steuber Volker 
Published: April 2017

AbstractMany forms of synaptic plasticity require the local production of volatile or rapidly diffusing substances such as nitric oxide. The nonspecific plasticity these neuromodulators may induce at neighboring non-active synapses is thought to be detrimental for the specificity of memory storage. We show here that memory retrieval may benefit from this non-specific plasticity when the applied sparse binary input patterns are degraded by local noise. Simulations of a biophysically realistic model of a cerebellar Purkinje cell in a pattern recognition task show that, in the absence of noise, leakage of plasticity to adjacent synapses degrades the recognition of sparse static patterns. However, above a local noise level of 20%, the model with nonspecific plasticity outperforms the standard, specific model. The gain in performance is greatest when the spatial distribution of noise in the input matches the range of diffusion-induced plasticity. Hence non-specific plasticity may offer a benefit in noisy environments or when the pressure to generalize is strong.
Analysis and design of power conditioning circuit for piezoelectric vibration energy harvester
Authors: Savarimuthu Kirubaveni , Sankararajan Radha , Murugesan Sudha 
Published: April 2017

This study presents the design of a piezoelectric vibration energy generator with power conditioning circuit to power CMOTE wireless sensor node. The test result shows that the energy harvester produces a maximum AC output voltage of 3 V with an optimal resistive load of 200 Ω for 1.5 m/s2 acceleration at the resonant frequency of 275 Hz. The output power from the energy harvester is 65.9 mW. The characterisation analysis of energy harvester without tip mass and effect caused by the addition of mass at different positions have been analysed. Additional mass reduces the device frequency to 21.5 Hz and improves the output voltage up to 3.632 V. A single‐stage AC–DC power converter which integrates the rectification and boosting circuit is designed, simulated and implemented in hardware to extract the maximum power from harvester to attain higher efficiency. The designed circuit will operate at a minimum AC voltage of 0.5 V. The minimum output from the harvester is rectified, boosted to 7VDC output and regulated to 3.3 V to power wireless sensor node. The conversion efficiency of the circuit is improved to 70.03% with reduced loss of 19.76 mW by size reduction.