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作者： Paul R Mort Procter ＆ Gamble Co. CincinnatiOhioUSA

＜正＞In considering how discrete particles interact to influence bulk powder behavior,one faces the challenge of connecting across many orders of magnitude in length *** attempting to bridge across these gaps in scale,it is convenient to consider a *** meso-scale can be defined according to a relevant set of properties or other distributed aspects that are key to making the *** processes commonly include a number of distinct transformations that may overlap in the process to make the analysis and modeling of the system more *** this case,it may be more convenient to describe the meso-scale in terms of empirical relationships, e.g.,a set of constitutive relationships that link the mechanical energy of the process to the material properties of the *** the other hand,it may be possible to develop more fundamental models for individual product *** this case,it may be advantageous to consider meso-scale models that are based on the distributed features of the particles or particle mixture.

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Semiconductor Quantum Dots for Efficient Solar Conversion in Photoelectrochemical Cells

Semiconductor Quantum Dots for Efficient Solar Conversion in...

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中国颗粒学会第七届学术年会暨海峡两岸颗粒技术研讨会

作者：簡淑華 Chin-Lung Lin Chia-Chun Pan Wen-Kai Tu Institute of Chemistry Academia SinicaTaipei Department of Chemistry Taiwan UniversityTaipei

Utilization of semiconductor quantum dots to photoelectrochemical applications has received enormous ***,we investigated the performance of T1O2 nanotube arrays(TiNT) for solar water splitting and obtained a conversion efficiency of 0.70%[1].After adding CdS quantum dots(QD) on ZnO/TiNT,a significant enhanced conversion efficiency of 1.30%for solar water splitting was obtained[2].Up to date,improvement of solar conversion efficiency of photoelectrochemical devices still remains a challenge.

关键词： CdS/CdSe quantum dots TiO2-nanotube ZnO-nanorod Solar water splitting QD-sensitized solar cell

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用电弧法合成碳包裹铜与钼奈米颗粒

用电弧法合成碳包裹铜与钼奈米颗粒

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中国颗粒学会超微颗粒专委会2011年年会暨第七届海峡两岸超微颗粒学术研讨会

作者：鄧茂華李尚實吕睿晟邱志成李雱雯国立台湾大学地质科学系

石墨包裹奈米金属颗粒材料(Graphite Encapsulated Metal Nanoparticles,又称为"GEM奈米颗粒")是一种在1993年发现的超微复合材料,其外观是直径约5至100奈米(nm)大小的球状颗粒,其构造则是碳质的外殼和金属的内核。由於奈米... 详细信息

石墨包裹奈米金属颗粒材料(Graphite Encapsulated Metal Nanoparticles,又称为"GEM奈米颗粒")是一种在1993年发现的超微复合材料,其外观是直径约5至100奈米(nm)大小的球状颗粒,其构造则是碳质的外殼和金属的内核。由於奈米金属颗粒被碳质外层包裹,因此具有抗氧化、抗水解与抗强酸、强碱腐鉵等优点,并且可以保持该金属原有的特性,例如磁性、吸附性、放射性等。从1993年之后,便有许多针对各种金属进行碳质包覆的研究,其中铁、钴、镍因为具有催化碳转变为石墨的特性,也具有作为磁流体、吸氢材料到生医应用等各种潜在用途,所以相关的研究工作最多。Teng et al.与Dravid et al.於1995年所发展出之改良式钨-碳电弧法,虽然可以有效率的合成铁、钴、镍GEM奈米颗粒,但对於其他非铁磁性金属则几乎完全无法合成。本研究重点便是利用钨-碳电弧法配合新式的石墨坩场配置,可有效调控电弧挥发之碳和金属的比率,无论是针对熔点较低(例如铜)或是熔点较高(例如钼和钨)的金属,都可以进行碳质包覆。对於熔点较低的铜金属,可使用电弧间接加热铜金属的方式,有效降低铜金属原本过快的挥发速率;而对於熔点较高的钼金属,除了使用电弧直接加热外,并於石墨坩场底部和周围配置氧化铝的热绝缘陶瓷片,如此便可有效增加钼金属原本过低的挥发速率。利用上述方式便可将原本包裹良率趋近於零的铜和钼金属,提升至5 wt%左右。本研究之初步成果显示,原本只针对合成铁磁性GEM金属颗粒的钨-碳电弧法,经过适当的设计调配后也可以用来合成各种不同熔点的非铁磁性GEM金属颗粒,在合成的制程技术与基础科学上都有显著的进步。

关键词：碳包裹电弧法铜钼奈米颗粒

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Multivariate SPC of Emulsion and Nanoparticle Slurry Processes Based on Process Tomography,Dynamic Light Scattering and Acoustic Spectroscopic Data

Multivariate SPC of Emulsion and Nanoparticle Slurry Process...

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中国颗粒学会第七届学术年会暨海峡两岸颗粒技术研讨会

作者： Bundit Boonkhao Richard Tweedie Ken Primrosc Jason Corbett Fraser McNeil-Watson Institute of Particle Science and Engineering University of LeedsLeeds LS2 9JT

Manufacture of nanometre particulate products in suspensions is becoming increasingly important to the pharmaceutical,speciality chemical,and functional materials *** instance,nano-processing is now used as an effective drug-delivery method for solid form hydrophobic pharmaceuticals due to the dramatically increased drug solubility and bioavailability at *** biggest challenge to nano-processing under industrial conditions has repeatedly highlighted as the difficulty in achieving consistency in product quality as characterised by particle size / size distribution and ***-line process analytical technology is considered as an enabling technique to improve process control and develop product quality assurance strategies.

关键词： multivariate statistical process control dynamic light scattering acoustic spectroscopy process tomography

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Coating powdered Copper Catalysts with Yttria Sol

Coating powdered Copper Catalysts with Yttria Sol

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中国颗粒学会第七届学术年会暨海峡两岸颗粒技术研讨会

作者： C.Y.Lee S.J.Lee H.C Leu 葉君棣 Fuel Cell Center Yuan Ze UniversityChung-Li Department of Mechanical Engineering Yuan Ze UniversityChung-Li Graduate School of Renewable Energy Engineering Yuan Ze UniversityChung-Li Energy and Environment Research Laboratories Industrial Technology Research InstituteHsinchu Department of Chemical and Engineering and Materials Science Yuan Ze UniversityChung-Li

A commercial YO sol was tried as a binder to coat CuZnAl catalyst powders onto micro-channels of stainless steel plate（SSP）.Coated plates were used to fabricate micro-channel reactors for generation of hydrogen from the steam reforming of methanol（SRM）.Catalyst powders were suspended into the sol to prepare washcoating *** parameters,such as solid content,binder content,pH value and stir time,were optimized for a stable coating of

关键词： yttria sol copper catalyst coating slurry stir time

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The Ca-and Sn-doping effect of（Y,Gd）3Fe5O12 garnet

The Ca-and Sn-doping effect of（Y,Gd）3Fe5O12 garnet

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中国颗粒学会第七届学术年会暨海峡两岸颗粒技术研讨会

作者：戴明鳳 Chih-Min Lin Tung-Chang Wu Shi-I Hsu Kung-Min Kwo Hsing-Zin Liu Department of Physics Tsing Hua UniversityHsinchu Department of Applied Science HsinChu Univesity of EducationHsinchu

Ferrimagnetic insulating ferrites of yttrium iron garnet（Y1G） are widely used in microwave devices due to their unique magnetic,thermal,electrical,mechanical and microwave properties. We have demonstrated that the substitution of rare earth ion for the Y ion can well modulate or improve its high-frequency properties for microwave *** this study we prepared a

关键词： The Ca-and Sn-doping effect of garnet

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Co掺杂Bi5Ti3Fe1-xCoxO15的相结构和铁磁性

Co掺杂Bi5Ti3Fe1-xCoxO15的相结构和铁磁性

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中国颗粒学会超微颗粒专委会2011年年会暨第七届海峡两岸超微颗粒学术研讨会

作者：顾红星余晓华邵刚勤王剑吴伯麟欧阳世翕武汉理工大学材料复合新技术国家重点实验室桂林理工大学有色金属及材料加工新技术教育部重点实验室中国建筑材料科学研究总院

较多的多铁性材料具有层状的Aurivillius型类钙钛矿结构,其通式为:ABiBO=（BiO）(ABO),是一种由萤石型[BiO]单层和钙钛矿型[ABO]板块交互叠合构成的层状氧化物,其中m=1-8（整数）,对应着形成钙钛矿型板块的共角八面体二维薄板的数目,即... 详细信息

较多的多铁性材料具有层状的Aurivillius型类钙钛矿结构,其通式为:ABiBO=（BiO）(ABO),是一种由萤石型[BiO]单层和钙钛矿型[ABO]板块交互叠合构成的层状氧化物,其中m=1-8（整数）,对应着形成钙钛矿型板块的共角八面体二维薄板的数目,即一个钙钛矿型板块由m层薄板构成。A是可以12配位的大阳离子(Na,K,Ca,Sr,pb,Ba,Ln,Bi,Y,U,Th,…etc.),B是可以6配位（形成八面体）的小阳离子(Fe,Cr,Ga,Ti,Zr,Nb,Ta,Mo,W,…etc.)。通过在上式中的A位引入Bi,B位引入Ti、Fe可以得到结构比较稳定的BiTiFeO层状化合物（m=4）,它可以看作是由三层结构的BiTiO与BiFeO结合而成的四层化合物。BiTiO铁电转换温度为675℃,BiFeO铁电转换温度为850℃,后者的反铁磁温度为370℃。BiTiFeO具铁电与反铁磁性(磁化率为1.85×10 emu/mo),尼尔温度为80K。BiTiFeO属于斜方晶系,对其电性能如铁电、介电等研究的较多,对磁性仅有单一Co掺量试样的研究。本工作制备了BiTiFeCoO（x=0,0.25,0.5,0.75,1.0）系列粉末,以期将磁性单元引入到层状结构中的钙钛矿层以提高材料的铁磁性,探讨了钙钛矿层中Fe位（B位）Co掺杂对材料的相结构、显微结构和铁磁性的影响。结果表明:未掺杂试样（x=0）和Co掺量较低试样（x=0.25）为单相四层结构,x=0.5时主相为四层结构,但同时产生了少量杂相,x≥0.75时主相变为三层结构。所有试样都具有铁磁性,当x=0.25时试样呈均匀的层片状结构,铁磁性达最高值（Ms=0.4142emu/g,Hc=158.59Oe）。铁磁性的变化规律与主相钙钛矿层中所含Fe和Co数量、粉末的物相组成以及层状显微结构有关。

关键词：多铁性材料 Bi5Ti3Fe1-xCoxO15 钴掺杂铁磁性

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Chemical composition of water-soluble ions in spring aerosol at a semi-arid site of Tongyu,China

Chemical composition of water-soluble ions in spring aerosol...

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中国颗粒学会第七届学术年会暨海峡两岸颗粒技术研讨会

作者： K.F.Ho SKLLQG Institute of Earth EnvironmentChinese Academy of Sciences

Daily fine aerosol samples(PM) were collected at Tongyu,a semi-arid site in Northeast China from April to June in 2006,when Asian dust event frequently *** concentrations of 9 water-soluble ions were determined in the filter *** results showed that the mean mass level of PM at Tongyu station was 260.9μg/m,and the total mass concentration of 9 kinds of water-soluble ions occupied -17%of PN *** dust storm events（DS） were observed during the sampling period with mean concentration of 528.0μg/m for PM and 39.5μg/m for total *** during non-dust storm（NDS） period,they were 111.7 and 19.6μg/*** mass concentrations of most of water-soluble ions in the DS samples were much higher than those in the NDS *** ratios of ions to Fe were stable in DS samples,while they are more scatter in NDS samples,suggesting that anthropogenic influence was significant on NDS samples collected at ***,the observed stable value of K/Fe,Ca/Fe,Na/Fe,NO/Fe,and SO/Fe ratios during the DS events should link to the characteristics of ionic composition in soil dust northeastern *** balance calculations for the NDS samples suggest that those aerosol particles were alkaline while DS samples were strongly alkaline.A deficit of measured anions during DS implied the presence of carbonate, which can be used to evaluate the carbonate *** relationship between the calculated and detected carbonate concentration was observed,which demonstrate that ion balance supplies another method to estimate the carbonate content during DS.

关键词： Tongyu PM2.5 water-soluble ions carbonate

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中国颗粒学会宝洁青年颗粒学奖揭晓

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中国科技奖励 2010年第9期18卷 53-53页

作者：苏阳本刊记者

8月17日，中国颗粒学会第七届（2010年）学术年会暨海峡两岸颗粒技术研讨会在西安市召开。大会评选并颁发了中国颗粒学会宝洁青年颗粒学奖。

关键词：中国颗粒学会技术研讨会海峡两岸学术年会西安市

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水庫淤泥燒制輕質骨材之膨脹機理研究

水庫淤泥燒制輕質骨材之膨脹機理研究

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2004“第七届全国轻骨料混凝土学术讨论会”暨“第一届海峡两岸轻骨料混凝土产制与应用技术研讨会”

作者：王顺元陈豪吉范国晃台灣中興大學土木工程系台灣中興大學土木工程系台灣中興大學土木工程系

本研究以台湾石门水库淤泥为原料,探讨淤泥轻质骨材高温烧结之热膨胀机理,针对原料的基本性质以及烧制所用的温度与时间等因子深入研究瞭解。试验结果显示,石门水库淤泥为良好之轻质骨材烧制原料。烧制温度及时间的控制,对淤泥轻质骨材... 详细信息

本研究以台湾石门水库淤泥为原料,探讨淤泥轻质骨材高温烧结之热膨胀机理,针对原料的基本性质以及烧制所用的温度与时间等因子深入研究瞭解。试验结果显示,石门水库淤泥为良好之轻质骨材烧制原料。烧制温度及时间的控制,对淤泥轻质骨材的颗粒表观密度及吸水率有很大之影响。淤泥主要的发气物质,可能来自於碳酸盐、有机物及矿物结晶水等热分解而成。

关键词：石门水库淤泥淤泥轻质骨材膨胀机理

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