Experimental results showed the advantages of liquid membranes: rapid rate of uranium transport, high efficiency of extraction, high selectivity and good stability.
结果表明，此乳状液膜体系对铀具有迁移速度快，提取效率高，选择性和稳定性好的优点。
Small size, low power, fast response, high sensitivity, better selectivity and stability.
尺寸小，功耗低，响应快，灵敏度高，选择性和稳定性好。
A break - through in the research and development of domestic wax hydrotreating catalysts with high activity, good selectivity and superior stability is observed.
具有活性高、选择性和稳定性好的石蜡加氢催化剂，标志着我国对专用催化剂的研究与开发达到了突破性的进展。
Thus, the synthesized cobalt-based catalysts are ideal Fischer-Tropsch synthesis catalysts due to their high activity, selectivity and performance stability.
由此可见，我们制备的钴基催化剂具有高活性，高选择性和高稳定性，是一种理想的费托合成催化剂。
It has chromatographic performance of high column efficiency, good inertia and thermal stability, very high selectivity on analyzing dimethylbenzene isomer.
该柱具有柱效高、惰性好热稳定性好的色谱特性；用于二甲苯异构体的分析具有很好的选择性。
It was indicated that the modified elect rode was possessed of high sensitivity, selectivity and stability.
结果表明，硝基酚三种异构体在该修饰电极上具有良好的灵敏度、选择性和稳定性。
The results show that the catalysts have high activity, selectivity and stability, and are valuable for industrial application.
研究结果表明，所研制的催化剂具有较高的活性、选择性和稳定性，具有工业开发价值；
Progress of the research in field ionization gas sensor was investigated and there are still some disadvantages: high working voltage, bad selectivity and stability.
在对国内外场致电离气体传感器研究进展进行详细调研的基础上，发现它始终存在着工作电压高、选择性差和稳定性差问题。
It may be used as probe for hydrogen detection and alarm and quantitative hydrogen measurement with such advantages as high selectivity, stability, anti-interference nature and anti-poisoning power.
用该器件作为探头可用于各种环境的氢气检测及报警，具有选择性高、稳定性好、抗干扰、抗毒化能力强等特点，是各类氢气检测报警及用于便携式定量测氢仪的理想探头。
The catalyst has high catalytic activity and excellent stability, both the conversion rate of TAME and the selectivity of isoamylene can be over 99%.
该催化剂具有良好的活性和稳定性，TAME转化率和异戊烯的选择性均超过99%。
The method has high propylene conversion rate and high propylene oxide selectivity; especially the effective availability of hydrogen is higher and the stability of activity is better.
该方法具有高的丙烯转化率和环氧丙烷选择性，尤其是氢气有效利用率更高，活性稳定性更好。
The catalyst has high catalytic activity, good selectivity and stability, environment protection, simple preparation and lower cost.
本发明所述催化剂具有催化活性高、选择性好、稳定性良好、环境友好、制备简单、成本低的优点。
The present invention has high stability, cyclohexanone selectivity greater than 99.7% and conversion rate over 83%.
本发明具有很好的稳定性，环己酮选择性均大于99．7％，转化率能达到83％以上。
The catalyst has high activity, high selectivity, high stability, long service life and high catalytic efficiency.
本发明使得催化剂的活性和选择性高、稳定性好、使用寿命长、催化效率大大提高。
It's very important to study sorbent with high selectivity, low cost and good stability, applying in separation enrichment and detection of pesticide in food and environment field.
因此研究高选择性，低成本，稳定性好的吸附材料用于食品和环境中农药的分离、富集和检测十分重要。
It's very important to study sorbent with high selectivity, low cost and good stability, applying in separation enrichment and detection of pesticide in food and environment field.
因此研究高选择性，低成本，稳定性好的吸附材料用于食品和环境中农药的分离、富集和检测十分重要。
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