新闻动态

新闻动态

%{tishi_zhanwei}%
\n %{tishi_zhanwei}%\n
\n","advanced":{"customState":[{"select":true,"label":"未处理","value":1},{"label":"审核通过","value":2},{"label":"审核驳回","value":3}],"message":1}},"href_7":{"type":"field","value":"_href","target":"_self"},"formId_9":"1097164222799245312","pageConfig_2":{"rolling":{"navigation":true,"scrollType":"horizontal","pagenation":true,"scrollTime":4,"autoScroll":true},"showJump":true,"pageType":"hidden","pcColumn":6,"marquee":{"navigation":true,"marqueeTime":4},"loopItem":".p_loopitem","pcRow":2,"moColumn":2},"showLabel_10":false,"validate_10":{"minLength":{"msg":"您输入的内容不能少于%len个字符","state":false,"value":5},"custom":{"msg":"","reg":"","state":false},"required":{"msg":"内容不能为空","value":true},"maxLength":{"msg":"您输入的内容不能多于%len个字符","state":false,"value":128}},"action_11":1,"showPlaceholder_10":true,"enterSubmit_10":true,"rule_9":[],"submit_9":{"obj2":{"type":"customPage","value":{"type":"page","params":[{"param":"_detailId","valueName":"单行文本","valueType":"value","paramName":"默认参数","type":"form","value":"e_input-10"}],"value":"bd5b650e-b336-4da1-b5fa-dc97019a7c1f"},"target":"_self"},"obj1":{"result":1,"request":[],"reload":1,"promptTime":2,"prompt":""},"logic":[],"type":2,"obj3":{}},"customParam_10":"","state_10":"normal","value_10":"","async_9":{"status":2,"target":"","relation":[]},"type_10":"text","cuname_10":"text","type_11":1,"page_2":{"size":6,"from":0,"totalCount":100},"reload_11":1,"ddItem_10":{},"sourceUuid_9":"1647484696445190144","placeholder_10":"请输入...","logic_11":[],"datasource_10":{},"notice_9":{"rules":[{"code":"submit","mail":"","phone":"","title":"搜索关键词","user":2}],"status":1},"prompt_11":"","href_3":{"type":"field","value":"_href","target":"_self"},"label_10":"单行文本","business_11":[],"logic_9":[]}">

江南全站app下载官方网站安装 的水正压负压怎么区分


2024-12-02


江南全站app下载官方网站安装 的水正压与负压是两种不同的测试条件,用于评估产品或材料在特定水压环境下的防水性能。近日,看到一些用户对于江南全站app下载官方网站安装 的水正压负压怎么区分?似乎有些还分不太清楚,为了能够让大家很好地了解关于该设备的测试方法,本文将介绍关于它们的主要区别如下:

江南全站app下载官方网站安装

一、江南全站app下载官方网站安装 的正压测试:

1.定义:正压测试是将样品没入水中,保持样品在水面以下,并通过往容器中加压的测试方法。

2.原理:通过向测试容器内加压,模拟特定水深的压力。例如,模拟10米水深时,对应的压力就是0.1Mpa。外部压力表会显示相应的压力值。

3.特点:如果样品是不良品,在外部的压力压挤之下,水就会进入样品中,样品中的空气被水挤入后,空气会被排出,在水体中形成气泡。

二、江南全站app下载官方网站安装的负压测试:

1.定义:负压测试是将样品浸入水中,保持样品在水面以下,并通过抽空的方式降低容器内部压力(即形成负压)的测试方法。

2.原理:在不抽压的情况下,测试容器内部(包括样品)的各项压力都视为是均等的。在抽空的过程中,由于外部空气被抽走,导致样品内部的压力大于外部的压力。

3.特点:如果样品是不良品,存在泄露情况,它里面的空气就会排出来,从而在水体中形成气泡。

总结来说,江南全站app下载官方网站安装的正压测试和负压测试的主要区别在于加压的方式和原理不同。正压测试通过向测试容器内加压来检测样品的防水性能,而负压测试则是通过抽空容器内部空气来形成负压,进而检测样品的防水性能。这两种测试方法可以根据具体的测试要求和产品特性来选择。

© 2023 版权所有:江南APP官方下载苹果版安装粤ICP备13080521号SEO

电话:400-997-0881

广州市番禺区石碁镇大龙街道办傍江西村将军子3号

E-mail:yxipx@yxipx.com

我们会及时给您反馈

Baidu
map