天气预报 > 其他 > 钠光灯使用时应注意什么事项
钠光灯使用时应注意什么事项
更新时间: 2020-09-09 00:00:00  

使用注意事项旋光仪在使用时,需通电预热几分钟,但钠光灯使用时间不宜过长。旋光仪是比较精密的光学仪器,使用时,仪器金属部分切忌沾污酸碱,防止腐蚀。光学镜片部分不能与硬物接触,以免损坏镜片。不能随便拆卸仪器,以免影响精度。

关键词: 用时 注意 什么 事项

钠光灯使用时应注意什么事项相关经验

天气预报

最新推荐

页面:/news/view-1527475/ | 耗时:0.7235 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=1527475 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1527475 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1527475 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1062392,1068558,1079277,1064251,1062580,1048945,1048220,1041559,1086290,1073399,1056832,1062712,1087833,1072028,1065841,1091123,1014587,1060779,1086928,1062670,1063977,1072921,1078595,1069505,1089560,1068150,1071265,1067423,1079069,1065155) ORDER BY field (ArticleID,1062392,1068558,1079277,1064251,1062580,1048945,1048220,1041559,1086290,1073399,1056832,1062712,1087833,1072028,1065841,1091123,1014587,1060779,1086928,1062670,1063977,1072921,1078595,1069505,1089560,1068150,1071265,1067423,1079069,1065155)