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Behaviors of capacitive and Pirani vacuum gauges

机译:电容性和Pirani真空仪的行为

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Summary >Knowing the exact pressure of the process has a great impact on the validity of the results, product quality, energy efficiency, and in some processes, on the security of work with the system. Hence, the calibration of the barometers and the accuracy of the readings should be taken seriously. Choosing the appropriate time interval for re‐calibration is done according to the extent and conditions of use, uncertainty, and the inaccuracy allowed in measurement, constructive suggestion, and some other things. Failure to pay attention to the importance of periodic calibration in vacuum gauges leads to some irreparable losses in the research project and the vacuum generator system. In this study, using McLeod's barometer, the deviation of capacitive and Pirani vacuum gauges is investigated at different time intervals in the middle vacuum range, and it is determined that the vacuum gauge faces a serious deviation from the actual calibrated amount for upper and lower ranges of middle vacuum in the same working pressure range over time. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译:</span><Abstract XMLNS =“http://www.wiley.com/namespaces/wiley”type =“main”xml:lang =“en”> <标题类型=“main”>摘要</ title> <P>了解该过程的确切压力对结果的有效性,产品质量,能效以及在某些过程中的有效性产生了很大的影响,就系统的工作安全性。因此,应严重校准气压计和读数的准确性。选择适当的重新校准时间间隔是根据使用的范围和条件,不确定性以及测量,建设性建议和其他一些其他事项的不准确性来完成的。未能注意真空仪表中定期校准的重要性,导致研究项目和真空发电机系统中的一些无法弥补的损失。在本研究中,使用McLeod的晴雨表,在中间真空范围的不同时间间隔中研究了电容和Pirani真空仪的偏差,并且确定真空计面临着与上下范围的实际校准量的严重偏差中间真空在相同的工作压力范围内随着时间的推移。</ p> </摘要> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-31855/'>《Vakuum in Forschung und Praxis》</a> <b style="margin: 0 2px;">|</b><span>2018年第5期</span><b style="margin: 0 2px;">|</b><span>共6页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Zavarian Ali Asghar&option=202" target="_blank" rel="nofollow">Zavarian Ali Asghar;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Arman Ali&option=202" target="_blank" rel="nofollow">Arman Ali;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Ghotbi S. M. Jamal&option=202" target="_blank" rel="nofollow">Ghotbi S. M. Jamal;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Korpi Alireza Grayeli&option=202" target="_blank" rel="nofollow">Korpi Alireza Grayeli;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Salehi Maryam&option=202" target="_blank" rel="nofollow">Salehi Maryam;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Mardani Mohsen&option=202" target="_blank" rel="nofollow">Mardani Mohsen;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Hafezi Fatemeh&option=202" target="_blank" rel="nofollow">Hafezi Fatemeh;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Shafiekhani Azizollah&option=202" target="_blank" rel="nofollow">Shafiekhani Azizollah;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=??lu ?tefan&option=202" target="_blank" rel="nofollow">??lu ?tefan;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Afghan Ashkan Sepehr&option=202" target="_blank" rel="nofollow">Afghan Ashkan Sepehr;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Sharif University Branch Vacuum Technology Research Group ACECRTehran Iran;</p> <p>Sharif University Branch Vacuum Technology Research Group ACECRTehran Iran;</p> <p>Sharif University Branch Vacuum Technology Research Group ACECRTehran Iran;</p> <p>Sharif University Branch Vacuum Technology Research Group ACECRTehran Iran;</p> <p>Sharif University Branch Vacuum Technology Research Group ACECRTehran Iran;</p> <p>Sharif University Branch Vacuum Technology Research Group ACECRTehran Iran;</p> <p>Sharif University Branch Vacuum Technology Research Group ACECRTehran Iran;</p> <p>Sharif University Branch Vacuum Technology Research Group ACECRTehran Iran;</p> <p>Sharif University Branch Vacuum Technology Research Group ACECRTehran Iran;</p> <p>Sharif University Branch Vacuum Technology Research Group ACECRTehran Iran;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>ger</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/6985.html" title="真空技术的应用">真空技术的应用;</a><a href="https://www.zhangqiaokeyan.com/clc/1168.html" title="真空电子学(电子物理学)">真空电子学(电子物理学);</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> </p> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704024996136.html">Behaviors of capacitive and Pirani vacuum gauges</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Zavarian Ali Asghar&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Zavarian Ali Asghar,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Arman Ali&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Arman Ali,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Ghotbi S. 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