以下为句子列表：
英文: Abstract: A semi-analytical method is used to modelling the pract ical 3-zone simulated moving bed chromatography(SMBC) process for optimal searc hing.The switch time which is the most important operation parameter of 3-zone SMBC is analyzed based on the
中文: 文摘:针对三带模拟移动床色谱的实际模型，用一种融合了前馈与反馈的半解析优化计算方法对三带模拟移动床色谱过程进行了模拟.首先，由非线性单柱色谱理论解析地给出一个三带模拟移动床色谱的主要操作参数即切换时间值，然后利用所得结果与目标量之间的偏差来校正切换时间，在理论指导下进行优化搜索，切换时间能很快达到最佳值.将测得的系统参数引入计算，并将计算结果用于实际操作，得到了很好的分离效果.
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英文: Although samples were in a hot reflux for a long time at 85℃ in the experiment, and 5? molecular sieve of the adsorbed sample was acidized by hydrofluoric acid, the analytical method was tested to have little influence on carbon isotopic composition of th
中文: 尽管实验过程中样品经过85℃长时间加热回流及吸附样品的5?分子筛用氢氟酸酸化处理，但实验结果经仪器检测，证明该方法对正构烷烃碳同位素值影响因素不大。
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英文: An analytical method for simultaneous determination of anions in high-concentration phosphate solution in Dayawan Nuclear Power Plant by suppressed ion chromatography has been developed.
中文: 摘要建立了对核电站中含高浓度磷酸盐水样中常见痕量阴离子（氟离子、氯离子、甲酸根、乙酸根、硫酸根）梯度淋洗的分析方法。
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英文: An analytical method for the bast fiber compns. was proposed according to the features of oil flax and flax.
中文: 摘要针对亚麻及胡麻的特性，提出－种麻成分的分析方法。
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英文: An overview is presented on the analytical method based on dissipation structure and depended on biological spatiotemporal oscillators.
中文: 细胞分析是研究生命过程的切入点，也是现代分析化学研究的前沿和热点。
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