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7篇 您的检索式:作者名="Tim Freeman"
    题名 作者 年代 出处 被引量
1Effect of particle shape and size on flow properties of lactose powders显示文摘The shape and size of particles are understood to affect the bulk behaviour of powders, though there are but few studies that present quantitative information on the relationship between particle shape and the flow properties of powder. This is due in part to the lack of techniques for rapidly determining both particle shape and the range of flow characteristics that describe the response of powders to the stress and shear experienced during their processing. This study presents data that quantifies the influence of particle shape/size of three different lactose powders on their respective flow and bulk characteristics. Two of the samples differ in size but have similar shapes; the third sample is more spherical but similar in size to one of the other two samples. The results demonstrate that in addition to particle size, particle shape significantly affect the flow characteristics of a powder over a wide range of stress conditions.Xiaowei Fu Deborah Huck Lisa Makein Brian Armstrong Ulf Willen Tim Freeman 2012Particuology2012,10,2:22
2A biopsy simulation study to assess the accuracy of several transrectal ultrasonography (TRUS)‐biopsy strategies compared with template prostate mapping biopsies in patients who have undergone radical prostatectomy显示文摘Yipeng Hu Hashim U. Ahmed Tim Carter Nimalan Arumainayagam Emilie Lecornet Winston Barzell Alex Freeman Pierre Nevoux David J. Hawkes Arnauld Villers Mark Emberton Dean C. Barratt 2012BJU International2012,,6:1
3Perceived social support from team-mates: Direct and stress-buffering effects on self-confidence 显示文摘Freeman Paul Rees Tim 2010European Journal of Sport Science2010,1,10:1
4The influence of roller compaction processing variables on the rheological properties of granules显示文摘This study is part of an ongoing project to enable the full specification of the Design Space for roller compactor systems and shows how the processing parameters influence the behaviour of the product granulate from a placebo formulation. Granulate was produced using a proprietary roller compactor by varying the compaction pressure and gap width,and the dynamic, bulk and shear properties of the resultant granulates were measured.The results demonstrate several rheological properties of the granulate, which have been shown to be closely correlated with variance in die filling and tablet strength, and are predictably influenced by the processing parameters.Tim Freeman Harmut Vom Bey Michael Hanish Katrina Brockbank Brian Armstrong 2016Asian Journal of Pharmaceutical Sciences2016,11,4:0
53D MicroPrint使用FT4粉体流变仪推动增材制造的极限显示文摘3D MicroPrint公司率先使用了增材制造(AM)来生产复杂、微米尺度的金属部件,公司正在使用英国富瑞曼科技公司的FT4粉体流变仪来识别超细粉能否有效加工,这家公司使用小于5pm的粉末来成型具有极高精度和分辨率的组件。FT4粉体流变仪能够区分出流动性优越的原材料,并成功应用于3DMicroPrint的微激光烧结(MLS),在医疗、半导体、航空航天、能源和化工等领域取得成功。Tim Freeman 2019现代制造2019,0,17:0
6利用粉体流变仪分析不同机制导致的粉体结块显示文摘通常,结块通过机械、化学和热学等一种或多种机制形成,其中,水分的转移和吸收的影响最为重要。为了考察这些机制,将一系列材料在更高的温度、相对湿度和作用载荷等不同条件下存放较长一段时间。用FT4粉体流变仪测量特定形状刀片按照既定方式穿过存储前后粉体所需能量,并对能量进行量化,以确定结块水平。在大多数情况下,这些外部因素导致粉床部分或整体流动性的下降和结块。但是,从有些材料的表现可以看出,暴露在适中的湿度条件下,可起到实质性改善流动性能的效果。Tim Freeman Katrina Brockbank 2016现代科学仪器2016,0,5:0
7用动态粉末测试方法优化湿法造粒工艺显示文摘湿法造粒是口服固体制剂生产经常采用的加工工艺,目标是将通常细而粘的活性成分和辅料加工成更均匀、自由流动的颗粒、方便下游加工——本文描述了全球粉末表征技术领先企业富瑞曼科技和制药加工解决方案主要供应商GEA Group(基伊埃集团)公司双方进行的联合实验研究。Tim Freeman 2016流程工业2016,,3:0
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