采用阴离子捕收剂油酸钠将矿石中的石英和方解石浮选分离以后，采用阳离子捕收剂醚胺浮选绿泥石时呈现出良好的选择性。
After the separation of quartz and calcite by flotation using anionic sodium oleate, cationic ether amine collector was used to float the chlorite, which exhibited a good selectivity.
底物的选择性结合实验表明，该聚合物对三唑酮呈现高度的选择性及识别能力。
The selective binding experiment for substrates indicated that the polymer gave much higher affinity and selectivity for triadimefon than for triadimenol and imidacloprid.
但是，对于这样高速率的传输，信道会由于具有不同延迟时间的多条干扰路径的存在而呈现出严重的频率选择性。
However, for such high-speed data transmissions, the channel is severely frequency-selective due to the presence of many interfering paths with different time delays.
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