由于派 发表于 2006-5-5 12:45

请教Origin 的问题

某种合金的抗拉强度σ(N/mm<SUP>2</SUP>)和延伸率δ(%)与含碳量x(%)关系的试验数据如下表所示。根据生产需要,该合金有如下质量指标:在置信率为99%的条件下,抗拉强度σ&gt;330(N/mm<SUP>2</SUP>),延伸率δ&gt;34%,问该材料的含碳量应该控制在什么范围?<BR>
<TABLEcellSpacing=0 cellPadding=0 width=216 border=0 x:str>
<COLGROUP>
<COL style="WIDTH: 54pt" span=3 width=72>

<TRheight=21>
<TD class=xl24width=72 height=21><FONT face="Times New Roman">A</FONT><FONT>(</FONT><FONT face="Times New Roman">X</FONT><FONT>)</FONT></TD>
<TD class=xl24width=72><FONT face="Times New Roman">B</FONT><FONT>(</FONT><FONT face="Times New Roman">Y</FONT><FONT>)</FONT></TD>
<TD class=xl24width=72><FONT face="Times New Roman">C</FONT><FONT>(</FONT><FONT face="Times New Roman">Y</FONT><FONT>)</FONT></TD></TR>
<TRheight=21>
<TD class=xl24height=21><FONT face="Times New Roman">Carbon(%)</FONT></TD>
<TD class=xl24 ><FONT face="Times New Roman">TS/Mpa</FONT></TD>
<TD class=xl24 ><FONT face="Times New Roman">EL(%)</FONT></TD></TR>
<TRheight=19>
<TDalign=right height=19 x:num="00.04">0.04</TD>
<TDalign=right x:num>371</TD>
<TDalign=right x:num>40.5</TD></TR>
<TRheight=19>
<TDalign=right height=19 x:num="00.06">0.06</TD>
<TDalign=right x:num>384</TD>
<TDalign=right x:num>39.8</TD></TR>
<TRheight=19>
<TDalign=right height=19 x:num="00.07">0.07</TD>
<TDalign=right x:num>405</TD>
<TDalign=right x:num>37.2</TD></TR>
<TRheight=19>
<TDalign=right height=19 x:num="00.08">0.08</TD>
<TDalign=right x:num>410</TD>
<TDalign=right x:num>37.7</TD></TR>
<TRheight=19>
<TDalign=right height=19 x:num="00.09">0.09</TD>
<TDalign=right x:num>421</TD>
<TDalign=right x:num>39.2</TD></TR>
<TRheight=19>
<TDalign=right height=19 x:num="00.1">0.1</TD>
<TDalign=right x:num>421</TD>
<TDalign=right x:num>38.5</TD></TR>
<TRheight=19>
<TDalign=right height=19 x:num="00.11">0.11</TD>
<TDalign=right x:num>439</TD>
<TDalign=right x:num>37</TD></TR>
<TRheight=19>
<TDalign=right height=19 x:num="00.12">0.12</TD>
<TDalign=right x:num>447</TD>
<TDalign=right x:num>38.5</TD></TR>
<TRheight=19>
<TDalign=right height=19 x:num="00.12">0.12</TD>
<TDalign=right x:num>450</TD>
<TDalign=right x:num>37.4</TD></TR>
<TRheight=19>
<TDalign=right height=19 x:num="00.15">0.15</TD>
<TDalign=right x:num>473</TD>
<TDalign=right x:num>35.9</TD></TR>
<TRheight=19>
<TDalign=right height=19 x:num="00.16">0.16</TD>
<TDalign=right x:num>482</TD>
<TDalign=right x:num>35</TD></TR>
<TRheight=19>
<TDalign=right height=19 x:num="00.17">0.17</TD>
<TDalign=right x:num>491</TD>
<TDalign=right x:num>34.2</TD></TR>
<TRheight=19>
<TDalign=right height=19 x:num="00.19">0.19</TD>
<TDalign=right x:num>505</TD>
<TDalign=right x:num>35.5</TD></TR>
<TRheight=19>
<TDalign=right height=19 x:num="00.2">0.2</TD>
<TDalign=right x:num>544</TD>
<TDalign=right x:num>33.2</TD></TR>
<TRheight=19>
<TDalign=right height=19 x:num="00.23">0.23</TD>
<TDalign=right x:num>569</TD>
<TDalign=right x:num>32.1</TD></TR></TABLE>

suffer 发表于 2006-6-5 09:55

回复:(由于派)请教Origin 的问题

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