This paper aims at reviewing the development of nitrogen oxides ( no ( subscript x ) ) chemical sensors , which are classified into four main types : surface acoustic wave ( saw ) no ( subscript x ) sensors , optical fiber no ( subscript x ) sensors , semiconductor no ( subscript x ) sensors and electrochemical no ( subscript x ) sensors 摘要简要介绍了声表面波化学传感器、光纤化学传感器、半导体化学传感器和电化学传感器等各种类型的氮氧化物化学传感器的特点和基本原理，分析比较了各种类型传感器的优缺点。
In this thesis , several new fluorescence carriers have been synthesized bearing a carbon chain with a terminal double bond introduced into the molecule and copolymerized with a monomer under uv irradiation on the silanized glass or quartz disk . the sensors prepared were studied . covalent immobilization effectively prevents the leakage of the carrier dye from the sensor membrane , a phenomenon that shortens the lifetime of ordinary optical sensors 本论文合成了几种含末端双键、可共价固定的新型荧光化合物，并以此作为荧光指示剂，与膜基质单体在光引发剂作用下发生光聚反应共聚在经过硅烷化处理的石英或普通玻片上制成光极膜，制备了对一些物质有响应的荧光化学传感器。
1 , the preparation of fiber optic chemical sensor the preparation of various sensitive , stable and reversible sensors is the key for development of focs . after completing the methods of embedding with organic polymer and chemical bonding , the present paper mainly describes the method of sol - gel technique technique 本课题在完善聚合物包埋和化学键合法制备光纤化学传感器( fiberopticalchemicalsensor ， focs )的基础上，重点发展溶胶-凝胶法，研制多种光纤化学传感器。
Searching for novel porphyrin derivatives , including corrole , with high selectivity as the molecular recognition ionophores for chemical sensors , therefore , remains task of theoretical and practical significance . the contents of the thesis are presented as follows : 1 . the syntheses of series of porphyrin derivatives were presented in the second charpter 以卟啉及其金属配合物为分子识别载体的化学传感器件研究是一个十分活跃的领域,寻找具高选择性的包括可咯在内的新型卟啉类化合物用于化学传感研究仍然是一项非常有意义的工作。
