<div dir="ltr"><img width="0" height="0" class="mailtrack-img" style="float:right;" alt="" src="https://mailtrack.io/trace/mail/9bb991e611ef3688036f8491cd54b405242ae1ad.png?u=1249159">Dear All<div>I have designed a cooling system for a greenhouse. The temperature should be between 22 and 28 C during the day and  15 to 21 C during the night. I'm going to account number of hours during a month, which the greenhouse temperature is out of the range. As the standard range of temperature is different during the day and night, how can I calculate it?</div><div>Thank you <br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div><div style="text-align:right"><div style="text-align:left"><br></div><div style="text-align:left">--------------------------------------------------------------------------------------------------------------------------------------------------<br><img src="https://docs.google.com/uc?id=0B56a_joPrCZuYUg5aFkzTlR2dTg&export=download" width="96" height="96"><br></div><div style="text-align:left;font-size:12.8px"><b><font face="georgia, serif">amirrezaheidary</font></b></div><div style="text-align:left;font-size:12.8px"><i><font color="#444444" face="trebuchet ms, sans-serif">master student of energy systems Engineering</font></i></div><div style="text-align:left;font-size:12.8px"><font color="#444444" face="trebuchet ms, sans-serif"><i>Sharif university of technology</i></font></div><div style="text-align:left;font-size:12.8px"><font color="#444444" face="trebuchet ms, sans-serif"><i>Tehran-Iran</i></font></div><div style="text-align:left;font-size:12.8px"><font face="georgia, serif"><i>E-mail address</i></font><font face="comic sans ms, sans-serif">:</font></div><blockquote style="margin:0px 0px 0px 0.8ex;padding-left:1ex;font-size:12.8px;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid"><p style="text-align:left"><font color="#1155cc" face="tahoma, sans-serif"><a href="mailto:heidari@energy.sharif.edu" target="_blank" class="mt-detrack-inspected">heidari@energy.sharif.edu</a></font></p></blockquote><blockquote style="margin:0px 0px 0px 0.8ex;padding-left:1ex;font-size:12.8px;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid"><p style="text-align:left"><font face="tahoma, sans-serif" style="color:rgb(17,85,204)"><a style="color:rgb(17,85,204)" href="mailto:sm_mousavi@pwut.ac.ir" target="_blank" class="mt-detrack-inspected">a</a><a href="mailto:mirrezaheidarysbu@gmail.com" target="_blank" class="mt-detrack-inspected">mirrezaheidarysbu@gmail.com</a></font></p></blockquote><div style="text-align:left"><b style="color:rgb(0,0,0);font-family:"times new roman","new york",times,serif;font-size:small"><span lang="EN-GB" style="color:green;font-family:Webdings">P</span></b><i style="color:rgb(0,0,0);font-family:"times new roman","new york",times,serif;font-size:small"><span lang="EN-GB" style="color:navy"> </span></i><b style="color:rgb(0,0,0);font-family:"times new roman","new york",times,serif;font-size:small"><i><span lang="EN-GB" style="color:green">Save a tree... Please don't print this E-mail unless you really need to.</span></i></b><b><font color="#0000ff"><font size="1">                                                                                                                              </font></font></b><br></div><br></div><font color="#0000ff"><font size="1"><br></font></font></div><div><font color="#0000ff"><font size="1"><br></font></font><div><div><font color="#0000ff"><font size="1"><br></font></font></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
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