Lunchtime finds the large summer terrace at ben rather hof , the oldest restaurant on the ko , filled with the smart set sampling its meat and sausage assortments 午餐时间可在本拉特尔?霍夫的大型露天平台就餐。它是国王林荫大道上最古老的餐馆，餐馆内配备了精美的餐具，餐具上摆了各类肉食和香肠。
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" she was a little scared of the slippery snow and the people and the camera crews but we lured her with some fish , " zoo keeper fred van " t hof told anp on thursday . tania had seen snow before but only very little as it mostly falls in the dutch winter , when polar bears hibernate 动物管理员弗雷德冯特霍夫表示： “光洁的白雪以及围观的人群和照相机让它感到有些害怕，但我们用几条鱼将它引诱了出来。 ”塔妮亚以前只见过几场小雪，因为荷兰冬季降雪的季节恰好是北极熊冬眠的时候。
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The dual - bath coagulation method suggested by j . a . va n ' t hof could be used in membranes with high selectivity clearance rate of low - molecular weight substances and moderate water flux theoretically . therefore it may be applied in the field of hemofiltration . to improve and optimize the performance of the pes ultrafiltration membrane applied in the hf , here the flat membranes and hollow fiber ( hf ) membranes are made in certain conditions based on the dual - bath coagulation method where pes is used as the membrane material , dmso as solvent and pvp & peg as additives this paper includes five parts as follow : 1 为了改善和优化聚醚砜超滤膜(单浴法)在血液过滤实际应用中的性能，本论文以j . a . van ' thof等提出的双凝固浴法为基础，以聚醚砜( pes )为主要成膜材料，以二甲基亚砜为溶剂，并添加一定分子量的致孔剂( pvp ，聚乙烯吡咯烷酮)以及一定分子量的添加剂( peg ，聚乙二醇)按照一定配比在一定温度下制成透明均一的铸膜液，静置脱泡后在一定的工艺条件下制成聚醚砜平板膜和中空纤维膜，然后通过测试膜的结构和性能来评估其用于血液过滤中的前景。
