| 1. | Piezoelectric quartz crystal biosensor and its application 压电石英晶体生物传感器及其应用 |
| 2. | Quartz crystal units ; methods for the measurement of frequency and equivalent resistance of unwanted resonances of filter crystal units 压电石英器件.测量方法.滤波器晶体附加谐振的频率和 |
| 3. | The studies in the thesis are summarized as follows : ( 1 ) the recent progress of the piezoelectric quartz crystal impedance analysis is reviewed 本论文主要研究内容如下: ( 1 )综述了压电石英晶体传感器的测定方法和近期应用。 |
| 4. | As a result , we focus on applications of spr and qcm biosensors for high - throughput screening and the acquisition of thermodynamic and kinetic parameters of different biding systems in this article 本文中,笔者针对表面电浆共振与压电石英微天秤在小分子药物活性筛选、动力学及热力学参数的求测来进行探讨。 |
| 5. | In the fifties of the 20th century , sauerbey had reported that the oscillation frequency of a piezoelectric quartz crystal ( pqc ) is linearly related to the mass change on the pqc electrode surface 二十世纪五十年代, sauerbrey提出了压电石英晶体( pqc )的谐振频率与其表面的质量负载呈一定线性关系的理论。 |
| 6. | ( 3 ) the piezoelectric quartz crystal impedance ( qci ) technique was employed to monitor in situ the pb2 + - induced precipitation of bsa onto a gold electrode and the precipitate dissolution via edta in an aqueous solution ( 3 )用压电石英晶体阻抗法( pqci )现场监测了水溶液中铅离子诱导牛血清白蛋白( bsa )沉淀及沉淀由na _ 2edta溶解的过程。 |
| 7. | The studies made in the thesis are summarized as follows : 1 . a series piezoelectric quartz crystal ( spqc ) sensor has been applied to detect l - glutamic acid and l - lysine . the effect of formaldehyde on the frequency shift was studied 本学位论文研究工作总结如下:一、利用串联式压电石英传感器对电导的灵敏响应用两种方法对l -谷氨酸和l -赖氨酸进行了定量测定,并探讨了甲醛溶液浓度对测定的影响。 |
| 8. | Ln this thesis , diff6rent kinds of marcromoieculars were modified on to the crystai surface individually . their properties on the surface were studied and the resuits were used as evidence for the seiection of sensitive membrane of macromolecular 本文以压电石英晶体为传感器件,从生物大分子敏感膜膜材料的选择出发,研究了两种类型的生物大分子敏感膜的性质,成功地进行了生物大分子在压电石英晶体表面的修饰。 |
| 9. | Piezoelectric quartz crystal ( pqc ) sensor has found its extensive application in various fields including analytical chemistry , life science , pharmaceutical chemistry , membrane science , surface science , and environmental monitoring because of its outstanding advantages such as high sensitivity , simple construction , convenient operation and low cost , etc . however , due to its broad sensing - spectrum , the selectivity of pqc is poor 压电石英晶体( pqc )传感器因其具有灵敏度高、结构简单、操作方便、成本低廉等优点而广泛应用于分析化学、生命科学、药物科学、表面科学、膜科学和环境科学等诸多领域。然而其响应具有广谱性,选择性能差。 |
| 10. | It is comprised of a sensor head ( a quadrangular pyramid tip , a base , four quartz crystal plates ) and a network analyzer and an apparatus to apply three - axis force . according to mechanics , four plates of the quadrangular pyramid tip correspondingly receive four one - dimension forces when applying a three - axis force to the sensor head . because quartz crystal has a force - frequency effect , namely , resonance frequency change of the quartz crystal is in direct proportion to one - dimension forces applying to it , four certain resonance frequency changes of the four quartz crystal plates are corresponding to a three - axis force 当传感头受三轴力作用时,根据力学的分析可以确定三轴力与四角锥体四个面上单向力之间的对应关系,用分别贴在四角锥体四个面上的四片压电石英晶体作为压敏元件,由于石英晶体的力频效应(即石英晶体在受到应力作用时,它的谐振频率与应力大小成正比) ,从而最终确定了四片石英晶体的谐振频率改变量与传感头上所受三轴力大小和方向之间的对应关系。 |