一种便携式测定昆虫过冷却点的方法

本文介绍了热敏电阻 +万用电表测定昆虫过冷却点的新方法。通过实验比较发现使用热敏电阻法测定昆虫过冷却点较之热电偶法有如下优点 :(1)测量灵敏度和精确度高 ;(2 )测定昆虫范围广 ;(3)装置体积小 ,不用交流电 ,携带方便 ;(4 )价格较低。

A new simple method to test insect super-cooling point.

This paper introduced a new method of using the critesistor\|avometer to test insect super cooling point. By comparing the new method with the old method\|thermocouple,it was found the new method had the following merits:(1) the testing sensitivity and accuracy is higher; (2) the insect range which can be tested is wider; (3) the device is smaller,not using alternating current,and easy to carry about; (4) the price of the device is lower.