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- Wide bandwidth and high selectivity. 广泛的带宽和灵活的选择性。
- This process relies on a catalyst of high selectivity and week activity. 这过程所靠的是一种高选择性和低活性的催化剂。
- This process relies on a catalyst of high selectivity and weak activity. 这过程所靠的是一种高选择性和低活性的催化剂。
- This process lasted for 8-1 Ohr and yields of NHP could beabove 70%, with high selectivity of 95% and about 75% conversion of GBL. 在此条件下,GBL转化率达到75%25以上,关键中间体N-羟乙基吡咯烷酮(NHP)的选择性达到95%25以上,NHP的收率可达70%25以上。
- TS-1 catalyst showed high selectivity of MPO and DPO during transesterification of DMO with phenol. TS-1在催化DPO合成反应中表现出良好的选择性，弱的L酸中心是DPO合成反应的活性中心。
- Accordingly,TiO_2-SiO2 catalysts showed high selectivity to target products, DPO. TiO_2主要以Ti-O-Si键的形式存在,表现出更多的弱酸性,因而有利于DPO选择性的提高。
- The uniquely existed weak Lewisacid sites in the TiO_2/SiO2 catalyst resulted in high selectivity to MPO and DPO. 载体物化性能、TiO_2负载量以及焙烧温度是影响负载型TiO_2催化剂酸性的重要原因。
- Biocatalysis has many advantages such as effective activator,mild reaction,high selectivity and purity. 生物催化具有反应条件温和、高度选择性、产物纯度高等优点。
- It has convenience and rapidness.It also has high selectivity,accuracy and sensitively. 其特点是简易、方便、快速,并具有一定的选择性、精确度和灵敏度。
- It is shown that these composite membranes are durable for pervaporation and have high selectivity. 经实验证明，几类复合膜都具有很好的耐用性及较高的选择性。
- Comparing with different chemical etchant, FPM(HF-H2O2-H2O Mixing) can reach a high selectivity of Sion/SiO2. 通过不同腐蚀药液的比较，结果表明，FPM(HF- H2O2-H2O混合液)能够达到氮氧化硅对氧化硅较高的选择比。
- Very careful in choosing; highly selective. 审慎选择的；非常讲究的
- Enzymatic synthesis has wide application prospect in the industrial production of diaclyglycerol for the high Selectivity of enzyme. 由于酶的高度选择性，使酶法催化生产甘油二酯具有广阔的工业化应用前景，但使用酶法催化生产甘油二酯还存在一些问题。
- If the ratio is low, the index is highly selective. 如果比率较低,索引就是高选择性的。
- For the high selectivity and safety of chitin synthase inhibitors, they are used for insecticides, fungicides and acaricides. 几丁质合成酶抑制剂由于具有安全、高效等特点，成为农用杀虫、杀螨、杀菌剂以及医药抗真菌药物的研发热点。
- It was pointed out that development of green route for cyclohexane oxidation with high efficiency and high selectivity is the tendency in this aspect. 重点介绍了目前国内外生产环己酮的主要方法-环己烷催化氧化法，提出探索一种高效、高选择性的环己烷绿色氧化技术是今后的发展方向。
- Analytical advantages of high sensitivity ,high selectivity ,and rapid response time make GC-MS a preferred detection technique for CWAs and TICs[7]. 高灵敏度、高选择性、响应速度快等分析优点，使得GC-MS成为检测化学武器制剂、工业毒性化合物的首选方法。
- The results indicated that the catalyst had high selectivity to middle distillates,high activity and good stability, with excellent product quality. 结果表明,该催化剂具有较高的中油选择性、反应活性以及良好的稳定性,产品质量好。
- The results showed that nitration of benzene could proceed completely in this novel microreactor with high selectivity at a short residence time. 因此，苯硝化反应得以在很短的时间内高选择性地进行完全。
- As a novel separation technique with high selectivity and efficiency,molecularly imprinted membrane(MIM) is a high pot of research. 分子印迹膜作为一种新型的分离手段,因其高度的选择透过性而成为国内外研究的热点。
