New conducting polymer materials together with advanced microelectronics and computational techniques have enabled the development of a new range of chemical sensors capable of mimicking some aspects of the biological system 新的传导聚合材料结合先进的微电子和计算技术，已经使能模仿生物系统某些方面的一个新的化学传感器领域得到了发展。
After analyzing and discussing the results a conclusion is drawn that it is a kind of valid method to realize the automation and intelligence of distinguishing chemical agents using the neural networks combined with chemical sensor 用沙林模拟数据进行了测试和分析，结果表明，利用与化学传感器相联结的神经网络识别毒剂，是实现毒剂识别自动化、智能化的一种有效方法。
Electronic tongue is a kind of chemical analysis instrument . it is composed of an electronic chemical sensor array that has partly specificity and a proper pattern recognition system . it can be applied to recognize single or multiple solutions 电子舌是一种化学分析仪器，它由一个具有部分专一性的电子化学传感器阵列和一个合适的模式识别系统组成，能识别单一的或混合的溶液。
The study will develop a fiber optic chemical sensor based on multiple quenching and its instrument system . a applied techniques will be established for monitoring analyte in biologic medicine and environment 本课题的研究目的是发展一类基于荧光多元猝灭原理的光纤化学传感器( fiberopticchemicalsensorsbasedonmultiplequenching ， focsmq ) 、仪器系统及其在生物医药和环境领域的应用技术。
This compound was firstly used as a fluorescence carrier of chemical sensors to examine the toxic p - nitroaniline . compared with conventional methods , this sensor has lower cost , wider detection range , higher sensitivity and selectivity , better reproducibility and reversibility . 4 与传统的检测对硝基苯胺的方法相比，该传感器操作简便，制作成本低廉，在较宽的范围内有响应，具有较高的灵敏度和选择性，重现性好，响应迅速。
This article prepared the optic - chemical sensor membrane of pb2 + with three pb2 + sensitive fluorescence indicators which were synthesized in the lab , by utilizing the technology of optical fibre of chemical sensor ( focs ) , and technology of organic modification sol - gel as well 本文就以光纤化学传感器( focs )为手段,采用有机改性的溶胶-凝胶技术,对实验室合成的三种对水中铅离子有较好响应的荧光指示剂进行包埋,制备了铅离子光化学传感膜。
Fluorescein and porphyrin have been linked by an alkyl chain , and been firstly used as a fluorescence carrier of opto - chemical sensors . based on the principle of energy transfer , it examined the iodine in the aqueous solution with high sensitivity and wide detection range 通过脂肪链把荧光素和卟啉连接起来，并首次把它作为荧光载体应用于光化学传感器的研制，基于分子内能量转移原理检测了水溶液中的单质碘，该传感器灵敏度高，检测范围宽。
A novel circulatory system for on - line monitoring of dissolved oxygen that makes use of a fiber - optic chemical sensor is presented . an oxygen sensitive optode was combined with a membrane onto which was immobilized pyrenebutyric acid as a fluoroprobe , the membrane was composed of cellulose triacetate as a polymer and di - 2 - ethyl hexyl - 就用于水中溶解氧在线监测的光纤光谱仪的搭建传感探头的设计及传感膜的制作进行了探索，并对传感器的响应性能进行了考察。
The pyrogallol was adhered on the surface of the solid electrode by the direct oxidative electropolymerization to construct the chemical sensors for bi ( iii ) . the sensor exhibits perfect long stability and reproducibility . a low detection was obtained in the determination of bi ( iii ) and this way can be applied to determine the real samples such as human hair and nails 2 、将修饰剂邻苯三酚直接电聚合到固体电极的表面，研制bi ( )离子化学传感器，该修饰电极稳定性和重现性很好，克服了以往碳糊电极机械强度差、重现性不好的缺陷，测定bi ( )达到了很低的检出限，应用于人发和指甲等实际样品的测定。
This thesis consists of four chapters : ( 1 ) a review ; ( 2 ) study on the optical chemical membrane for detection of lead ion by using 2 - hydroxy - 1 - naphthaldehydene - 8 - aminoquinoline as fluorescence indicator ; ( 3 ) study on the optical chemical membrane for detection of lead ion by using meso - ( 4 - methyloxyphenyl ) porphyrin as fluorescence indicator ; ( 4 ) study on the optical chemical membrane for detection of lead ion by using 2 - methene - benzimidazole monoaza - 18 - crown - 6 as fluorescence indicator . in chapter one , the laboratory method for determination of lead ion , the progresses of chemical sensor for detection of lead ion recently and the introduction of the basic theory , relative merits of sol - gel and its application in optical chemical sensor were involved 第二章利用有机改性的溶胶-凝胶包埋方式,以2 -羟基- 1 -萘甲醛- 8 -氨基喹啉为荧光指示探针,结合正交实验方法探索了几个重要因素,如加水量、醇硅比、催化剂、添加剂等对成膜性的影响,制备了对水中铅离子有较好响应的传感膜,其线性范围为1 . 0 10 - 7 ~ 5 . 0 10 - 5mol / l ,检测限为3 . 6 10 - 8mol / l 。
