水质重金属激光在线检测仪的设计(含全套CAD图纸).docVIP

需全套CAD或三维图或代码 联系QQ 648328618 JIANGXI AGRICULTURAL UNIVERSITY 本 科 毕 业 论 文（设 计） 题目： 水质重金属激光在线检测仪设计 学 院： 工学院 姓 名： 学 号： 专 业： 机械设计制造及其自动化 年 级： 机制1004班 指导教师： 职 称： 副教授 二0 一 四 年 四 月 摘 要 随着现代社会的发展，水质重金属污染越来越严重，给生态环境和人类健康造成很大危害，因此，对水质重金属污染物进行快速定量检测意义重大。而常规的水质重金属检测方法如原子光谱法紫外-可见分光光度法质谱法电化学分析法基于QCM技术的检测方法基于纳米材料的检测方法 Abstract With the development of modern society, the water heavy metal pollution is becoming more and more seriously,which has direct influence on the ecological environment and human health.Therefore, rapid quantitative detection the water metal pollutants in the soil is of great significance.And the common heavy metal detection methods such as Atomic spectroscopy, UV Vis spectrophotometry, mass spectrometry, electrochemical analysis, detection method based on QCM technology, detection method based on Nanometer materials and so on.Those methods have a number of weaknesses such as complicated analysis,a longer analyzing cycle,poor real-time measurement and long cycle analyzing and so on. this paper raised a method which rapid and quantitative analysis of heavy metal pollution in water using laser induced breakdown spectroscopy (LIBS). LIBS is a qualitative and quantitative analytic technology based on atomic emission spectrum which has many advantages such as a shorter analyzing cycle,simple structure,little damage to the analysis objects, non-contact analysis over a long distance and multielement analyzing simultaneously,etc.It’s adaptive to various bad environments, available to real-time online detection which is of considerable significance in Real-time monitoring of the environmental quality as well as in other fields shows its great potential applications. The design is for