电厂冷却水对梭幼鱼热效应的研究  

Study on the Thermal Effects of Cooling Water from Power Plants on Young Mullet

作　　者：汝少国[1] 侯文礼[1] 张梅英[1] 岳玉环[1] 

机构地区：[1]青岛海洋大学海洋生命学院,东北师范大学环境科学系

出　　处：《环境科学》1995年第5期30-32,共3页Environmental Science

摘　　要：通过对梭幼鱼各项温度基准值的测定，研究了电厂冷却水对梭幼鱼的热效应。结果表明，自然水温２５℃条件下，校幼鱼的回避温度、ＴＬ５０、ＵＩＬＴ、ＭＷＡＴ、ＣＴＭ、短期暴露最高温度分别为３４℃、３６．７℃、３８．７５℃、３０．５２℃、４０．８２℃、３５．３２℃；建立了校幼鱼对温度效应的敏感区域图和温度一时间方程ｌｏｇｔ（ｍｉｎ）＝１７．９４２２＋０．４２０２Ｔ（℃）及安全受热方程Ｔ（℃）＝（ｌｏｇ１４４０—α）／ｂ－２；初步得出△Ｔ—１５℃高温冲击２ｍｉｎ，梭幼鱼死亡率为２５％，△Ｔ＝１４℃高温冲击５ｍｉｎ为１５％，可忍受最大△Ｔ不超过１５℃。The title study was carried out by measuring various critical temperatures for young mullet. Theresults show that under the condition of a naturalwater temperature of 25'C, young mullet had itsacvoidance temperature, TL50 UILT, MWAT,CTM and short-term exposure maximum temperature of , 34℃, 36. 7℃, 38. 75℃, 30. 52℃,40. 82℃ and 35. 32℃, respectively. The areaswhere young inn.llet was sensitive to a thermal effect were mapped. and a temperature-time equation log t(min)=17. 9422+0. 4202 T(℃) and asafe temperature equation T (℃)=(log 1440- a)/b-2 were estabilished. A high temperatureshock of aam 15℃ for 2 minutes led to a mortality of 25%, that of △T=14℃ for 5 minutes ledto a mortality of 15 % and the maximum tolerable△T was leSS than 15℃.

关 键 词：电厂 冷却水 梭幼鱼 热效应 环境动物学 鱼类 

分 类 号：X174[环境科学与工程—环境科学]