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Monolithic metal-based/porous carbon nanocomposites made from dissolved cellulose for use in electrochemical capacitor

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Green Carbon 2024年第1期2卷 109-117页

作者： Madhav P.Chavhan Arjeta Kryeziu Somenath Ganguly Julien parmentier University of Ostrava Faculty of Science30.dubna 22Ostrava 70103Czech Republic Universitéde Strasbourg Universitéde Haute-AlsaceInstitut de Science des Matériaux de Mulhouse(IS2M)UMR 7361 CNRS-UHA15 rue Jean StarckyBP 248868057 Mulhouse CedexFrance Indian Institute of Technology Kharagpur Department of Chemical EngineeringKharagpurIndia

Porous metal-based carbon nanocomposites,with a monolithic shape,were prepared by a one-pot synthesis from dissolved cellulose and metallic salts using a simple,cheap,and environmentally friendly *** potential performances as electrochemical capacitors were tested with three metal precursors(M=Cu,Mn,and Fe)with two loadings and in an asymmetric cell for the Fe-based carbon ***,here soluble metal precursors were not deposited on a hard cellulose template but mixed in a precooled concentrated NaOH solution where cellulose was previously dissolved,allowing for a good dispersion of the metallic *** a freezing step where concomitant cellulose regeneration and pore ice-templating phenomena took place,followed by a carbonization step,the mixture led to a porous carbon monolith embedding well-dispersed metal-based nanoparticles having a diameter below 20 nm and present as metallic,oxide,or carbide phase(s)according to the element *** materials were characterized by different physicochemical techniques and electrochemical *** performances as supercapacitors are discussed in light of the specific behaviour of the metal-based phase and its influence on the carbon matrix properties such as mesopore formation and carbon *** asymmetric energy storage cell assembled with a Fe-based carbon electrode against a carbon xerogel electrode derived from a phenolic resin shows specific energy and power of 18.3 Wh kg^(−1)at 5 mA cm^(−2)and 1.6 kW kg^(−1)at 25 mA cm^(−2),respectively.

关键词： Cellulose Metal-based carbon nanocomposite Nanoparticles Monolith Supercapacitor

The Long-term Survival Chances of Young Massive Star Clusters

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Chinese Journal of Astronomy and Astrophysics 2007年第2期7卷 155-186页

作者： Richard de Grijs Geneviève parmentier Department of Physics & Astronomy The University of Sheffield Hicks Building Hounsfield Road Sheffield S3 7RH U. K.National Astronomical Observatories Chinese Academy of SciencesBeijing 100012 Institute of Astrophysics & Geophysics Université de LiègeAllée du 6 Aot17Sart-Tilman (B5c)B-4000 LiègeBelgium

We review the long-term survival chances of young massive star clusters （YMCs）, hallmarks of intense starburst episodes often associated with Violent galaxy interactions. We address the key question as to whether at least some of these YMCs can be considered protoglobular clusters （GCs）, in which case these would be expected to evolve into counterparts of the ubiquitous old GCs believed to be among the oldest galactic building blocks. In the absence of significant external perturbations, the key factor determining a cluster＇s long-term survival chances is the shape of its stellar initial mass function （IMF）. It is, however, not straightforward to assess the IMF shape in unresolved extragalactic YMCs. We discuss in detail the promise of using high-resolution spectroscopy to make progress towards this goal, as well as the numerous pitfalls associated with this approach. We also discuss the latest progress in worldwide efforts to better understand the evolution of entire cluster systems, the disruption processes they are affected by, and whether we can use recently gained insights to determine the nature of at least some of the YMCs observed in extragalactic starbursts as proto-GCs. We conclude that there is an increasing body of evidence that GC formation appears to be continuing until today; their long-term evolution crucially depends on their environmental conditions, however.

关键词： stellar dynamics - globular clusters general - galaxies interactions - Magellanic Clouds - galaxies starburst - galaxies star clusters

A different gut microbial community between larvae and adults of a wild bumblebee nest （Bombus pascuorum）

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Insect Science 2018年第1期25卷 66-74页

作者： Anneleen parmentier Ivan Meeus Filip Van Nieuwerburgh Dieter Deforce Peter Vandamme Guy Smagghe Laboratory of Agrozoology Department of Crop Protection Faculty of Bioscience Engineering Ghent University Laboratory of Pharmaceutical Biotechnology Faculty of Pharmaceutical Sciences Ghent University Laboratory of Microbiology Department of Biochemistryand Microbiology Faculty of Sciences Ghent University Ghent Belgium

Although the gut microbial communities in adult bumblebees and their as- sociated functionalities are widely studied, descriptive data on the larval gut microbiota are still limited. The gut microbiota of a fully sampled wild Bombus pascuorum nest has been characterized, using the multiplexed Illumina MiSeq 16S ribosomal RNA ampli- con sequencing technique. The nesters and foragers inhabiting the same nest showed the typical core bacterial sequences and only marginal differences in their characterized gut microbiota. The gut microbial communities within the adult and larval specimens differed strongly, as the typical core gut bacteria in the adult bumblebees are absent in the larval bumblebees. The bacterial communities within the larval gut are dominated by bacterial phylotypes of Enterobacteriaceae and Lactobacillaceae, supplemented with genera be- longing to Corynebacteriales and Bacillales. The function of this larval gut microbiota, being different from the adult, remains to be determined.

关键词： bumblebee gut Illumina sequencing larvae microbiota nest sample size

Effects of Different Rearing Strategies and Ages on Levels of Natural Antibodies in Saliva of the Philippine Crocodile

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Asian Herpetological Research 2013年第1期4卷 22-27页

作者： Jordy GROFFEN Henk K.parmentier Willem A.C.VAN DE VEN Merlijn VAN WEERD Department of Adaptation Physiology Wageningen University Mabuwaya Foundation Inc Isabela State University Cabagan Campus Institute of Environmental Sciences (CML) Leiden University

The endemic Philippine crocodile （Crocodylus mindorensis） is a relatively small, critically endangered fresh-water crocodile. In a head start program, crocodile hatchlings are caught in the wild, reared in captivity, and released back into the wild after two years. The current study aimed to determine optimal rearing strategies of Philippine crocodile hatchlings, including identification of possible diseases during rearing, and studying the effect of ages on natural antibody （NAb） levels. Thirty Philippine crocodiles were divided into two groups, half were reared with a hiding board, and half without the hiding board. Both groups received three different kinds of diets： meat, shrimp, or a combination of both. Saliva samples of the crocodiles were taken three times over a period of three months to test for NAb levels. Saliva samples were also taken from older crocodiles and crocodiles from different locations. NAb titres were compared to sheep red blood cells. Each time saliva samples were taken, a health check was done. The results showed that crocodiles would prefer the hiding board, and neither housing nor diet could affect the level of NAb titres in saliva. A positive correlation was found between NAb titres and body size, weight and age. Wild hatchlings had higher NAb titres than the hatchlings born in captivity, but the difference diminished with ageing. Five different diseases were found.

关键词： behaviour Crocodylus mindorensis diet disease husbandry stress

事件提示和时间提示对新异干扰的影响--来自听视跨通道和听通道的证据

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心理科学进展 2012年第6期20卷 815-824页

作者：李毕琴 parmentier Fabrice B. R. 张明东北师范大学心理学系长春130024 贵州师范大学心理学系贵阳550001 Department of Psychology University of the Balearic Islands Palma 07122 Spain Department of Psychology University of Western Australia Perth 6009 Australia

采用Oddball范式考察听视跨感觉通道和听感觉通道中"无关刺激"或"无关属性"的信号提示对新异干扰的影响。实验1和实验2分别比较了听视跨通道和听通道中时间事件提示、时间提示和事件提示三种条件。结果表明:(1)时间提示条件下新异干扰... 详细信息

采用Oddball范式考察听视跨感觉通道和听感觉通道中"无关刺激"或"无关属性"的信号提示对新异干扰的影响。实验1和实验2分别比较了听视跨通道和听通道中时间事件提示、时间提示和事件提示三种条件。结果表明:(1)时间提示条件下新异干扰效应消失,而事件提示条件下新异干扰效应仍存在。无关刺激意外变化引起的靶任务行为受损,不仅与偏差刺激的小概率和新颖性有关,而且与干扰刺激与靶子间提示信号关联有关,这种提示关联中事件发生的提示功能比时间间隔的提示功能更为重要。(2)听通道下新异干扰与视听跨通道结果一致,无关属性也会起到提示信号作用,同样事件提示功能比时间提示功能更重要。

关键词：新异干扰事件提示时间提示听视跨通道听通道

Method to Study the Primary Nucleation for Solid Solution: Application to Uranium-Neodymium Oxalate Coprecipitation

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Crystal Structure Theory and Applications 2013年第2期2卷 75-87页

作者： Delphine parmentier Murielle Bertrand Edouard Plasari Pascal Baron Commissariat à l’Energie Atomique et aux Energies Alternatives Radiochemistry and Process Department Marcoule France Reactions and Chemical Engineering Laboratory-CNRS Nancy France

Actinides co-precipitation is currently investigated in order to synthesize solid solutions of actinides mixed oxalates. This paper deals with the thermodynamic and kinetic study of the precipitation of uranium-neodymium oxalate system. Based on an analysis of the theories developed in the literature, a new expression for the determination of the supersaturation ratio for the solid solutions is presented. An experimental study of the nucleation kinetics was performed on the mixed uranium-neodymium oxalates. Homogeneous and heterogeneous primary nucleation laws are obtained using a specific stopped flow apparatus. The experimental results are consistent with the classical behaviour of nucleation phenomena. The values of the kinetic parameters for the solid solution point out that the formation of the uraniumneodymium mixed oxalates is kinetically favoured compared with the simple uranium and neodymium oxalates.

关键词： Coprecipitation Solid Solution Thermodynamics Kinetics Supersaturation Nucleation Uranium

视觉工作记忆负载对听觉偏差干扰效应的调控:来自不同外周提示线索的证据

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心理学报 2013年第3期45卷 263-275页

作者：李毕琴 parmentier FabriceB.R. 王爱君胡艳梅张明东北师范大学心理学院长春130024 贵州师范大学心理学系贵阳550001 Department of Psychology University of the Balearic Islands Department of Psychology University of Western Australia

采用线索提示和视听Oddball结合的实验设计,通过四个实验探讨了外周视线索下视觉工作记忆负载对听觉偏差干扰效应的调控作用。结果表明:(1)操作外周视线索有效性为50%的条件下,视觉工作记忆负载的增加使得原本抑制无关声音的过程失败,... 详细信息

采用线索提示和视听Oddball结合的实验设计,通过四个实验探讨了外周视线索下视觉工作记忆负载对听觉偏差干扰效应的调控作用。结果表明:(1)操作外周视线索有效性为50%的条件下,视觉工作记忆负载的增加使得原本抑制无关声音的过程失败,因此出现了显著的听觉偏差干扰效应;(2)操作外周视线索有效性为80%的条件下,发现有策略性的注意定向消耗了注意资源,无视觉工作记忆负载的情况下同样出现听觉偏差干扰,并且随着工作记忆负载增加偏差干扰效应增强。研究说明视觉工作记忆负载对听觉偏差干扰的调控是有条件性的,当来自不同感觉通道的无关刺激与目标的加工过程存在重叠时,视觉工作记忆负载的增加使得听觉偏差干扰效应增强而不是减弱。

关键词：外周视线索偏差干扰工作记忆负载视听Oddball范式

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认知期望对偏差干扰和偏差后干扰的影响

西南大学学报（自然科学版） 2012年第12期34卷 150-156页

作者：李毕琴 parmentier Fabrice B.R. 张明胡艳梅东北师范大学心理学院长春130024 贵州师范大学心理学系贵阳550001 西班牙巴利阿里群岛大学心理系帕尔马07122 西澳大利亚大学心理系

采用听觉通道Oddball范式考察认知期望高低对偏差干扰和偏差后干扰的影响.实验一采用声音方位辨别任务证实了偏差干扰效应和偏差后干扰效应,实验二通过改变靶出现概率操作认知期望水平,结果发现:高期望水平整体反应显著性快于低期望水平... 详细信息

采用听觉通道Oddball范式考察认知期望高低对偏差干扰和偏差后干扰的影响.实验一采用声音方位辨别任务证实了偏差干扰效应和偏差后干扰效应,实验二通过改变靶出现概率操作认知期望水平,结果发现:高期望水平整体反应显著性快于低期望水平;在高标准高偏差和高标准低偏差条件下偏差干扰效应均显著,而偏差后干扰效应消失;低标准低偏差条件下偏差干扰和偏差后干扰均消失;低标准高偏差条件下偏差干扰消失而出现易化作用,而偏差后干扰显著存在.研究认为干扰现象受认知期望的影响.

关键词：偏差干扰偏差后干扰听觉通道认知期望

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鲕状褐铁矿的重选和磁选

国外金属矿选矿 1964年第4期 28-33页

作者： A.Bragard,P.parmentier,胡力行比利时国立列日冶金研究中心比利时国立列日冶金研究中心工程师工程师

一、问题概况及解决方案首先,应该提出,黑色冶金研究所对于洛林鲕状褐铁矿(minette)的彻底研究,作了重大的贡献,并对其选矿过程的改进,作了深入的研究。比利时列日冶金研究中心从事鲕状褐铁矿的选矿研究工作,已有若干时日。直到目前为止... 详细信息

一、问题概况及解决方案首先,应该提出,黑色冶金研究所对于洛林鲕状褐铁矿(minette)的彻底研究,作了重大的贡献,并对其选矿过程的改进,作了深入的研究。比利时列日冶金研究中心从事鲕状褐铁矿的选矿研究工作,已有若干时日。直到目前为止,我们在试验研究工作中,主要是处理硅酸质鲕状褐铁矿经破碎后的细粒产品。处理此种产品,除合理地改变铁品位和杂质含量而外,直接的目的是减少待烧结的矿

关键词：磁选机稀释度排矿尾矿矿层矿石磁力分选机选矿机械矿体铁矿物褐铁矿矿泥重选机跳汰机