天气预报15天查询> 财经> 绝对压力怎么算

绝对压力怎么算

更新时间: 2021-04-11 21:13:59     

1、绝对压力计算公式:PABS = B + Pg。

2、绝对压力是指直接作用于容器或物体表面的压力,即物体承受的实际压力,其零点为绝对真空,符号为PABS(ABS为下标)。包围在地球表面一层很厚的大气层对地球表面或表面物体所造成的压力称为“大气压”,符号为B。

关键词: 绝对 压力 怎么

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-2656343/ | 耗时:0.3857 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=2656343 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2656343 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2656343 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(3305838,809741,995300,1081984,1747893,1090283,934158,1464269,1843878,2659082,3475008,910593,1039949,429079,1105321,483160,3483489,675879,1208170,720515,1723388,1771595,1091210,1471336,1035812,1978967,563362,503053,400710,3425944) ORDER BY field (ArticleID,3305838,809741,995300,1081984,1747893,1090283,934158,1464269,1843878,2659082,3475008,910593,1039949,429079,1105321,483160,3483489,675879,1208170,720515,1723388,1771595,1091210,1471336,1035812,1978967,563362,503053,400710,3425944)