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Acta Metallurgica Sinica(English Letters) 2000年第4期13卷 937-943页

作者： j.M. Hu H.M. Meng D.B. Sun S.j. Zhang j.X. Wu and D.j. Yang Beijing Corrosion and Protection Center, Open Laboratory of Corrosion, Erosion and Surface Technology, University of Science and Technology Beijing, Beijing 100083, China Beijing Univ of Science and Technology Beijing China

Service life of two different oxide anodes in phenolsulfonic acid (PSA) solution was investigated by accelerated electrolysis. The durability of Ti/IrO_2+Ta_2 O_5 anode increased by the addition of SnO_2 in the mixed oxides. The degradation mechanisms of Ti/IrO_2+ Ta_2 O_5 and Ti/IrO_2 +Ta_2 O_5 +SnO+2 anodes were different. It was shown from the observation of scanning electron microscopy (SEM) and the electrochcmical measurement that, the deactivation of Ti/IrO_2 + Ta_2 O_5 anode was due to the build-up of an organic film on surface. The growth of the covered film on surface was restricted by addition of SnO_2, which resulted in increasing of the service life of anodes. The over-potential for oxygen evolution on Ti/IrO_2 +Ta_2 O_5 electrode increased after doping SnO_2, and the intermediate products of PSA building-up on the surface was much more rapidly oxidized. Meanwhile, a certain part of the surface oxide deposit entered into the solution leading to loss of oxides, which resulted in degradation of Ti/IroO_2 + Ta_2 O_5 anode containing SnO_2 component.

关键词： metal oxide anode IrO_2 + Ta_2 O_5 IrO_2 + Ta_2 O_5 +SnO_2 phenolsulfonic acid degradation

碳纤维预制体的初始A/V值对化学气相渗透动力学和热解碳结构的影响(英文)

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中国材料进展 2013年第11期32卷 646-654,675页

作者：张伟刚 Huettinger k j 卡尔斯鲁厄理工学院化学技术与高分子化学研究所德国卡尔斯鲁厄76131 中国科学院过程工程研究所多相复杂系统国家重点实验室北京100190

采用体积含量分别为7.1%和14.2%的两种碳纤维各向同性针刺毡为预制体,研究了预制体内部初始碳纤维表面积与自由体积比值(A/V值)对热解碳的等温等压化学气相渗透动力学以及热解碳织态结构变化的影响。实验研究以22.5 kPa纯甲烷为碳源气体... 详细信息

采用体积含量分别为7.1%和14.2%的两种碳纤维各向同性针刺毡为预制体,研究了预制体内部初始碳纤维表面积与自由体积比值(A/V值)对热解碳的等温等压化学气相渗透动力学以及热解碳织态结构变化的影响。实验研究以22.5 kPa纯甲烷为碳源气体,沉积温度为1 095℃,气体平均停留时间0.1 s,沉积时间从20 h到120 h不等。热解碳沉积后测量了C/C复合材料的表观密度、开气孔率、热解碳的真密度及其内部分布。利用正交偏光显微镜测试了热解碳的织态结构。研究结果表明,热解碳的初始沉积过程主要受气相-表面形核机制控制,随着致密化的进行,逐渐转变为表面生长机制。这种从形核到表面生长机制的转化,导致了热解碳的织态结构相应地从低织构向中织构、最后到高织构的转化。上述沉积机制和结构的变化,都是由于碳纤维编制体初始A/V值的不同以及由于热解碳不断沉积导致的A/V值的不断增大引起的。增大碳纤维编制体的初始A/V值,可以导致这些转化在致密化过程中提前发生。上述结果能够很好地证明以前相关研究的结论。

关键词：热解碳化学气相渗透压汞仪孔隙率测试光学显微镜织态结构

基于CT的临床Ⅰ期肺腺癌病理特征和肿瘤转归的影像基因组学分析

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国际医学放射学杂志 2022年第4期 484-485页

作者： r.Perez-johnston j.A.Araujo-Filho j.G.Connolly r.Caso k.Whiting k.S.Tan 丁智

摘要需要一种可用于识别复发或转移风险较高的肺腺癌（LUAD）病人的术前预测模型。目的研究Ⅰ期LUAD的基于CT的影像组学一致性聚类与临床病理特征、基因组数据

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Does feeding more phases reduce ammonia concentrations from broiler litter?

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Animal Nutrition 2022年第4期11卷 152-159页

作者： Madri Brink Geert P.j.janssens Evelyne Delezie Flanders research Institute for Agriculture Fisheries and Food(ILVO)Animal Sciences UnitScheldeweg 689090 MelleBelgium Department of Veterinary and Biosciences Ghent UniversityHeidestraat 199820 MerelbekeBelgium

We compared a 3-and 5-phase feeding program in terms of ammonia concentrations measured at litter level,litter composition and quality,nitrogen(N)utilization,performance,welfare,and meat deposition in broilers.A total of 744 ross 308 male broilers was divided into 2 treatments,each with 6 *** 3-phase diets were formulated to CP and digestible lysine contents of 205 and 11.5 g/kg(0 to 9 d),195 and 10.8 g/kg(9 to 24 d),and 183.3 and 10.15 g/kg(24 to 39 d),*** 5-phase diets had additional phases from 17 to 24 d and 32 to 39 d with CP and digestible lysine contents of 188 and 10.4 g/kg and 177 and 9.8 g/kg,*** 5 phases reduced the NH3concentrations at litter level by37.95%and 20.81%at 23(Pr a lower litter total ammoniacal nitrogen concentration for the 5-phase treatment than the 3-phase treatment at 24 and 39 d of age(Pr both).Total N concentration of the litter also tended to be lower for the 5-phase treatment at 39 d of age(Pr NH3coincided with a lower average litter pH at 24 and 32 d of age(Pr both).Birds fed the 5-phase treatments had a lower incidence of foot lesions at 24 d of age(Prformance as well as carcass yield could be maintained,except for FCr,which was higher for the 5-phase treatment between 17 and 24 d of age and the overall period(Prespectively).The impact of the 5-phase treatment regarding the utilization of N(digestibility,excretion,and retention)was less clear,however the NH3volatilized from the litter was significantly *** 5 phases may therefore potentially reduce the NH3emitted from broiler houses which has several environmental and health *** the 5-phase treatment resulted in a significant decrease in feed efficiency,growth performance and meat deposition were maintained.

关键词： Broiler Ammonia Phase feeding Crude protein Performance

Settling,consolidation and shear strength behaviour of coal tailings slurry

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International journal of Mining Science and Technology 2020年第6期30卷 849-857页

作者： Shriful Islam David j.Williams Marcelo Llano-Serna Chenming Zhang School of Civil Engineering The University of QueenslandQueensland 4072Australia Department of Civil and Environmental Engineering Shahjalal University of Science and TechnologySylhet 3114Bangladesh Geotechnical Engineer Klohn Crippen Berger Ltd.Queensland 4101Australia

The volume change and shear strength behaviour of tailings slurry with the changes in gravimetric moisture content is important to effectively utilise the storage volume and analysis of dam failure *** testing of tailings from a slurry-like to soil-like state is a critical task,and conventional consolidation apparatus does not have the capability of doing such testing,as the tailings slurries contain high water *** tests conducted on slurries having a 25%solids concentration showed very low efficiency;final sediment was still *** intrinsic point was identified based on pore water pressure dissipation during consolidation tests in a slurry consolidometer that can define two states of the tailings ***-like and *** the slurry-like state,the volume change was greater for Slurry 2 than Slurry 1,while the inverse was observed in the soil-like *** evolution of peak vane shear strength with the changes in moisture content was almost similar for both samples and obeyed the power *** models have been developed and validated to predict the shear strength of materials at any gravimetric moisture content or void ratio.

关键词： Settling Consolidation Vane shear strength Coal tailings slurry Slurry consolidometer

Decision support model for effects estimation and proportionality assessment for targeting in cyber operations

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Defence Technology（防务技术） 2021年第2期17卷 352-374页

作者： C.Maathuis W.Pieters j.van den Berg Delft University of Technology Jaffalaan 52628 BXDelftNetherlands TNO Military Operations Oude Waaldorperweg 632597 AKDen HaagNetherlands Netherlands Defense Academy De la Reyweg 1204818 BBBredaNetherlands Open University of the Netherlands Valkenburgerweg 1776419 ATHeerlenNetherlands

Cyber operations are relatively a new phenomenon of the last two *** that period,they have increased in number,complexity,and agility,while their design and development have been processes well kept under *** a consequence,limited data(sets)regarding these incidents are *** various academic and practitioner public communities addressed some of the key points and dilemmas that surround cyber operations(such as attack,target identification and selection,and collateral damage),still methodologies and models are needed in order to plan,execute,and assess them in a responsibly and legally compliant *** on these facts,it is the aim of this article to propose a model that i))estimates and classifies the effects of cyber operations,and ii)assesses proportionality in order to support targeting decisions in cyber *** order to do that,a multi-layered fuzzy model was designed and implemented by analysing real and virtual realistic cyber operations combined with interviews and focus groups with technical e military *** proposed model was evaluated on two cyber operations use cases in a focus group with four technical e military *** the design and the results of the evaluation are revealed in this article.

关键词： Cyber operations Cyber warfare Cyber weapons Artificial intelligence Fuzzy logic Targeting

One step synthesis of high efficiency nickel/mesoporous TiO_2 hybrid catalyst for hydrogen evolution reaction

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journal of Energy Chemistry 2019年第2期28卷 79-87页

作者： Esteban A.Franceschini Melisa j.Gomez Gabriela I.Lacconi INFIQC-CONICET Dto.de Fisicoquímica – Facultad de Ciencias QuímicasUniversidad Nacional de CórdobaCiudad Universitaria Departamento de Física de la Materia Condensada Centro Atómico ConstituyentesComisión Nacional de Energía Atómica

Nickel-Ti O_2 hybrid catalysts are synthesized by electrodeposition and their catalytic activity with respect to the hydrogen evolution reaction is *** types of titanium oxide particles,which are commercial particles of dense Ti O_2 and mesoporous TiO_2 particles synthesized by an aerosol method,are incorporated into the matrix of the nickel *** nickel catalysts containing Ti O_2 particles presented higher catalytic activity than the conventional nickel Watts *** TiO_2-modified nickel catalyst showed the highest catalytic activity towards HEr in alkaline *** addition,this type of nickel catalyst increases its catalytic activity after ageing treatment,which is an indication of an increase in the electro-active area of the electrode.

关键词： Co-deposition Impedance spectroscopy Titanium oxide Ageing process raman spectroscopy

Clusterphene:A new two-dimensional structure from cluster selfassembly

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Nano research 2022年第7期15卷 5790-5791页

作者： jian Zhou Leyun Li Xuejiao j.Gao Haiqing Wang Institute for Advanced Interdisciplinary research(iAIr) University of JinanJinan 250022China College of Chemistry and Chemical Engineering Jiangxi Normal UniversityNanchang 330022China

Since the advent of graphene in 2004,two-dimensional(2D)materials had ignited the development of fascinating functional materials for almost 20 ***,the main members of 2D materials family are graphene,transition metal dichalcogenides(TMDs,MoS_(2),WS_(2),and others),MXenes(Ti_(3)C_(2),Ta_(4)C_(3),and others),Xenes(B,Si,P,Ge,and Sn),organic materials(COF,covalent organic frameworks),*** unique sheet-like morphology(single-or few-atomic-layer thickness)endow 2D materials with unconventional physicochemical properties for promising applications in catalysis,energy storage/conversion,electronics,biomedicine,sensors,***,the exploration and preparation of novel twodimensional materials with desired characteristics through highly controlled strategy remains one of the major challenges in this *** a recent work from Nature Chemistry published on 10 February 2022,Liu et *** a new member,clusterphene,in the family of two-dimensional materials.

关键词： MXene cluster dimensional

THE INTErFACIAL BEHAVIOrS OF ALUMINUM MATrIX COMPOSITE IN DIFFErENT WELDING METHODS

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Acta Metallurgica Sinica(English Letters) 2004年第1期17卷 55-60页

作者： W.Guo j.T.Niu j.F.Zhai G.T.Zhou M.Z.Wang State key Laboratory of Advanced Welding Production Technology Harbin Institute of Technology(HIT)Harbin150001China State key Laboratory of Metal Matrix Composite Shanghai Jiaotong University.Shanghai 200030.China

Non-interlayer liquid phase diffusion welding (China Patent) and laser welding methods for aluminum matrix composite are mainly described in this paper. In the non-interlayer liquid phase diffusion welding, the key processing parameters affecting the strength of joint is welding temperature. When temperature rises beyond solidus temperature, the bonded line vanishes. The strength of joint reaches the maximum and becomes constant when welding temperature is close to liquid phase temperature. Oxide film in the interface is no longer detected by SEM in the welded joint. With this kind of technique, particle reinforced aluminum matrix composite Al2 O3p/6061Al is welded successfully, and the joint strength is about 80% of the strength of composite (as-casted). In the laser welding, results indicate that because of the huge specific surface area of the reinforcement, the interfacial reaction between the matrix and the reinforcement is restrained intensively at certain laser power and pulsed laser beam. The laser pulse frequency directly affects the reinforcement segregation and the reinforcement distribution in the weld, so that the weldability of the composite could be improved by increasing the laser pulse frequency. The maximum strength of the weld can reach 70% of the strength of the parent.

关键词： non-interlayer liquid phase diffusion welding Al2O3p/6061 Alaluminum matrix composite laser welding interface behavior reinforcement

roles for the VCP co-factors Npl4 and Ufd1 in neuronal function in Drosophila melanogaster

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journal of Genetics and Genomics 2017年第10期44卷 493-501页

作者： Dwayne j.Byrne Mark j.Harmon jeremy C.Simpson Craig Blackstone Niamh C. O'Sullivan UCD School of Biomolecular and Biomedical Science UCD Conway Institute University College Dublin Dublin 4 Ireland UCD School of Biology and Environmental Science UCD Conway Institute of Biomolecular and Biomedical Research University College Dublin Dublin 4Ireland Cell Biology Section Neurogenetics Branch National Institute of Neurological Disorders and Stroke National Institutes of Health Bethesda MD 20892 USA

The VCP-Ufd1-Npl4 complex regulates proteasomal processing within cells by delivering ubiquitinated proteins to the proteasome for *** in VCP are associated with two neurodegenerative diseases,amyotrophic lateral sclerosis（ALS） and inclusion body myopathy with Paget＇s disease of the bone and frontotemporal dementia（IBMPFD）,and extensive study has revealed crucial functions of VCP within *** contrast,little is known about the functions of Npl4 or Ufd1 in *** neuronalspecific knockdown of Npl4 or Ufd1 in Drosophila melanogaster,we infer that Npl4 contributes to microtubule organization within developing motor ***,Npl4 rNAi flies present with neurodegenerative phenotypes including progressive locomotor deficits,reduced lifespan and increased accumulation of TAr DNA-binding protein-43 homolog（TBPH）.knockdown,but not overexpression,of TBPH also exacerbates Npl4 rNAi-associated adult-onset neurodegenerative *** contrast,we find that neuronal knockdown of Ufd1 has little effect on neuromuscular junction（NMj） organization,TBPH accumulation or adult *** findings suggest the differing neuronal functions of Npl4 and Ufd1 in vivo.

关键词： Proteasome TDP-43 accumulation Neurodegeneration Drosophila