Main contents of this paper include two aspects : the synthesis of fluorescent indicator and the preparation of oxygen sensing membrane and the research of their characteristics ; the design of the absorptive - type fiber optic acetylene sensor and the use of it in detecting gaseous acetylene 本论文内容主要包括以下两个主要方面：荧光指示剂合成和氧传感膜的制备及其性能研究与应用；吸收型光纤乙炔传感器的设计及其对乙炔气体的在线检测。
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。
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 。
The stern - volmer equation described the oxygen quenching progress . sol - gel processes include basic theory , primary steps , and the influence of some parameters to the sol - gel membrane performance such as precursor , water , catalyzer , ph value , drying control chemical additives and temperature . the third part of this paper includes : 1 采用溶胶-凝胶法制备氧传感膜的工艺过程包括溶胶-凝胶法的基本原理，基本工艺流程，溶胶-凝胶过程中前驱物、加水量、催化剂、 ph值、控制干燥的化学添加剂和温度等参数对氧传感膜性能的影响。
The basic principle of the experiment including system composing , responding theory , making and installing of sensor membrane , establishing standard 3 curve , measuring , predicting results and confecting manual seawater etc . optimizing the component of sd - gel membrane by chancing species and quantity of those parameters had mentioned content 第一节实验部分介绍了实验使用的仪器和试剂，阐述了实验方法，包括系统组成与响应原理，传感膜的制备与安装，标准曲线的建立，测定方法及分析结果预报，人工海水配制等。
