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The amount of montmorillonite (MMT) in each extruded batch was determined by placing the central portion of a tensile bar or Izod bar in a furnace at 900 ℃ for 45 min and weighing the remaining MMT ash with appropriate correction for loss of structural water during incineration. Thin sections for transmission electron microscopy (TEM) analysis were microtomed from the central and skin regions of an Izod bar; the cuts were made parallel and perpendicular to the flow direction ca. 3e4 cm away from the far end of a 13 cm Izod bar and halfway between the top and bottom surfaces of the bar. These sections were viewed in the three orthogonal directions, flow direction (FD), transverse direction(TD), and normal direction (ND). The related nomenclature can be found elsewhere [27e29]. TEM image analyses were made on a view observed parallel to the transverse direction, or TD (FDeND plane) in this paper; the morphologies viewed parallel to the flow direction, or FD (TDeND plane), and parallel to the normal direction, or ND (FDeTD plane), will be presented in subsequent papers. Ultra-thin sections ranging from 50 to 70 nm in thickness were cryogenically cut with a diamond knife at temperatures of 65 C for the specimen and 58 C for the knife using an RMC PowerTome XL ultramicrotome. Sections were collected on 300 mesh copper TEM grids and subsequently dried with filter paper. The sections were examined by TEM using a JEOL 2010F TEM with a LaB6 filament operating at an accelerating voltage of 120 kV. |
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6楼2013-05-09 14:51:06
Rio2016: 严禁用机器翻译进行应助、这样会影响正常应助、望注意自己的行为、这次不扣金币、下不为例 2013-05-08 18:52:10
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2楼2013-04-26 19:04:06
3楼2013-05-08 14:16:34
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Rio2016: 金币-5, 与二楼答案一样、二楼为机器翻译、望注意自己的行为、 2013-05-09 08:20:33
Rio2016: 金币-5, 与二楼答案一样、二楼为机器翻译、望注意自己的行为、 2013-05-09 08:20:33
| 蒙脱土（MMT）在每个挤出量批量确定放置在炉内张力杆或悬臂梁杆的中心部分在900 ℃45分钟和称量剩下的蒙脱土灰与结构水的损失在焚烧过程中适当的校正。透射电子显微镜（TEM）分析的薄切片的显微切片从悬臂梁杆中心和皮肤区域；削减是平行和垂直于流动方向约3E4厘米的距离从13厘米的悬臂梁杆的远端和中间的顶部和底部表面之间的酒吧。这些部分在三个正交方向上看，流动方向（FD），横向（TD），和正常的方向（ND）。相关术语可以在其他地方找到[ 27e29 ]。TEM图像分析上观察平行的横向方向，或TD（fdend平面）在本文中；形貌观察的流动方向平行，或FD（tdend平面），和法线方向平行，或Nd（fdetd平面），将在随后的论文。超薄切片的范围从50到70 nm的厚度在低温切割使用RMC powertome XL超薄切片机的刀的标本和58 C 65 C的温度 钻石刀。切片收集300目铜TEM网格和随后干燥滤纸。切片的TEM使用JEOL 2010f TEM与LaB6灯丝在加速电压为120 kV操作检查。 |
4楼2013-05-09 07:35:43