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< 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; tab-stops: list 21.0pt">二、下面我们来研究氮源的种类及含量变化与<FONT face="Times New Roman">IFN-</FONT><v:shapetype><FONT face="Times New Roman"> <v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path connecttype="rect" gradientshapeok="t" extrusionok="f"></v:path><lock aspectratio="t" v:ext="edit"></lock></FONT></v:shapetype><v:shape><v:imagedata></v:imagedata></v:shape>的产量之间的关系<p></p></P>< 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.5pt">从题中给出的实验数据可看出,当碳源固定为<FONT face="Times New Roman">C<SUB>1</SUB></FONT>且其含量固定为<FONT face="Times New Roman">c<SUB>1</SUB>=2</FONT>时,<FONT face="Times New Roman">IFN-</FONT><v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>的产量随着氮源<FONT face="Times New Roman">N<SUB>1</SUB></FONT>的含量的增加而先逐渐减少,再逐步增加,最后又减少;而当氮源<FONT face="Times New Roman">N<SUB>2</SUB></FONT>,<FONT face="Times New Roman">N<SUB>3</SUB></FONT>的含最增加时,<FONT face="Times New Roman">IFN-</FONT><v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>的产量一直都在增大,氮源<FONT face="Times New Roman">N<SUB>4</SUB></FONT>的含量增加时,<FONT face="Times New Roman">IFN-</FONT><v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>的产量却先增加再减少,最后又增加,这说明不同的的氮源的种类的含量的变化,<FONT face="Times New Roman">IFN-</FONT><v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>对的产量的影响是不同的。<p></p></P>< 0cm 0cm 0pt"><FONT face="Times New Roman"> </FONT>这里我们和前面一样,用曲线回归方法建立氮源的含量与<FONT face="Times New Roman">IFN-</FONT><v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>的产量之间的函数关系<p></p></P><P 0cm 0cm 0pt 18pt; TEXT-INDENT: 3pt; tab-stops: list 45.0pt"><FONT face="Times New Roman">1</FONT>、<FONT face="Times New Roman"> </FONT>根据给出的有关数据,当碳源固定以<FONT face="Times New Roman">C<SUB>1</SUB></FONT>且其含量为<FONT face="Times New Roman">2</FONT>时,氮源<FONT face="Times New Roman">N<SUB>1</SUB></FONT>,<FONT face="Times New Roman">N<SUB>2</SUB></FONT>,<FONT face="Times New Roman">N<SUB>3</SUB></FONT>,<FONT face="Times New Roman">N<SUB>4</SUB></FONT>的含量与<FONT face="Times New Roman">IFN-</FONT><v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>的产量之间的关系曲线图,我们可利用计算机拟合出来,分别如图(四),图(五),图(六),所示。(程序见附录(二)。根据以上的分析可将<FONT face="Times New Roman">N<SUB>1</SUB></FONT>、<FONT face="Times New Roman">N<SUB>4</SUB></FONT>的含量与<FONT face="Times New Roman">IFN-</FONT><v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>的产量的关系图拟合成高四次,三次曲线。即<FONT face="Times New Roman">N<SUB>2</SUB></FONT>,<FONT face="Times New Roman">N<SUB>3</SUB></FONT>与<FONT face="Times New Roman">IFN-</FONT><v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>的产量关系可拟合成二次曲线。<p></p></P><P 0cm 0cm 0pt; TEXT-INDENT: 156.35pt; mso-char-indent-count: 14.89; mso-char-indent-size: 10.5pt"><FONT face="Times New Roman"> <p></p></FONT></P><P 0cm 0cm 0pt 21pt"><FONT face="Times New Roman">2</FONT>.建立回归曲线方程<p></p></P><P 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.5pt">从氮源<FONT face="Times New Roman">N<SUB>1</SUB></FONT>的含量与<FONT face="Times New Roman">IFN-</FONT><v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>的产量的关系,我们可将<FONT face="Times New Roman">IFN-</FONT><v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>的产量<v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>与<FONT face="Times New Roman">N<SUB>1</SUB></FONT>的含量<FONT face="Times New Roman">n<SUB>1</SUB></FONT>的函数为:<v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape><p></p></P><P 0cm 0cm 0pt 21pt">利用最小二乘法求下式成立的函数<v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>:<p></p></P><P 0cm 0cm 0pt; TEXT-INDENT: 136.5pt; mso-char-indent-count: 13.0; mso-char-indent-size: 10.5pt"><v:shape><v:imagedata></v:imagedata></v:shape><p></p></P><P 0cm 0cm 0pt 21pt">利用<FONT face="Times New Roman">M ATLAB </FONT>软件,我们得到产量<v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>与<FONT face="Times New Roman">n<SUB>1</SUB></FONT>的函数为:(程序见附录(二)<p></p></P><P 0cm 0cm 0pt 21pt"><v:shape><v:imagedata></v:imagedata></v:shape><FONT face="Times New Roman"> </FONT>④<p></p></P><P 0cm 0cm 0pt 21pt">同样设<FONT face="Times New Roman">IFN-</FONT><v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>的产量<v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>与<FONT face="Times New Roman">N<SUB>2</SUB></FONT>,<FONT face="Times New Roman">N<SUB>3</SUB></FONT>的含量<FONT face="Times New Roman">n</FONT>的函数为<FONT face="Times New Roman">:<p></p></FONT></P><P 0cm 0cm 0pt 21pt; TEXT-INDENT: 26.25pt"><v:shape><v:imagedata><FONT face="Times New Roman"></FONT></v:imagedata></v:shape><p></p></P><P 0cm 0cm 0pt 21pt; TEXT-INDENT: 26.25pt">利用最小二乘法,得到<v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>与<FONT face="Times New Roman">n</FONT>之间的函数为:<p></p></P><P 0cm 0cm 0pt 21pt; TEXT-INDENT: 26.25pt"><v:shape><v:imagedata></v:imagedata></v:shape><FONT face="Times New Roman"> </FONT>⑤<p></p></P><P 0cm 0cm 0pt 21pt; TEXT-INDENT: 26.25pt">设<FONT face="Times New Roman">IFN-</FONT><v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>的产量<v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>与<FONT face="Times New Roman">N<SUB>4</SUB></FONT>的含量<FONT face="Times New Roman">n<SUB>4</SUB></FONT>的函数为:<p></p></P><P 0cm 0cm 0pt 21pt; TEXT-INDENT: 26.25pt"><v:shape><v:imagedata></v:imagedata></v:shape><p></p></P><P 0cm 0cm 0pt 21pt; TEXT-INDENT: 26.25pt">利用最小二乘法,得到<v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>与<FONT face="Times New Roman">n<SUB>4</SUB></FONT>之间的函数为:<p></p></P><P 0cm 0cm 0pt 21pt; TEXT-INDENT: 26.25pt"><v:shape><v:imagedata></v:imagedata></v:shape><FONT face="Times New Roman"> </FONT>⑥<p></p></P><P 0cm 0cm 0pt 21pt; TEXT-INDENT: 26.25pt">此时,便得出了当碳源固定时,氮源的含量与<FONT face="Times New Roman">IFN-γ</FONT>的产量之间的函数关系。这样利用上面的函数关系,我们可以进一步分析,得出在碳源固定的情况下的最佳培养基配比方案。这时有以下三个配比方案(<FONT face="Times New Roman">2,n<SUB>1</SUB></FONT>)<FONT face="Times New Roman">,(2,n)</FONT>,<FONT face="Times New Roman">(2,n<SUB>4</SUB>)</FONT>其中<FONT face="Times New Roman">n<SUB>1</SUB></FONT>,<FONT face="Times New Roman">n</FONT>,<FONT face="Times New Roman">n<SUB>4</SUB></FONT>分别为氮源<FONT face="Times New Roman">N<SUB>1</SUB></FONT>,<FONT face="Times New Roman">N<SUB>2</SUB></FONT>和<FONT face="Times New Roman">N<SUB>3</SUB></FONT>,<FONT face="Times New Roman">N<SUB>4</SUB></FONT>的含量。<p></p></P><P 0cm 0cm 0pt 21pt; TEXT-INDENT: 26.25pt">这里,我们同样根据<FONT face="Times New Roman">IFN-γ</FONT>的相对产量<v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>来确定在碳源固定时的最佳配比方案。<p></p></P><P 0cm 0cm 0pt 21pt; TEXT-INDENT: 26.25pt">当氮源为<FONT face="Times New Roman">N<SUB>1</SUB></FONT>,<FONT face="Times New Roman">N<SUB>2</SUB></FONT>,<FONT face="Times New Roman">N<SUB>3</SUB></FONT>,<FONT face="Times New Roman">N<SUB>4</SUB></FONT>时,我们根据上面的函数<FONT face="Times New Roman"> ④</FONT>、<FONT face="Times New Roman">⑤</FONT>、<FONT face="Times New Roman">⑥</FONT>分别求出其相应的最大相对产量<v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>,及此时各类氮源的含量和实际的<FONT face="Times New Roman">IFN-</FONT><v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>的产量<v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>,其具体数据如下:<p></p></P><P 0cm 0cm 0pt 21pt; TEXT-INDENT: 26.25pt"><FONT face="Times New Roman"> <p></p></FONT></P><P 0cm 0cm 0pt 21pt; TEXT-INDENT: 26.25pt"><FONT face="Times New Roman">n<SUB>1</SUB>=0.8946, </FONT><v:shape><v:imagedata><FONT face="Times New Roman"></FONT></v:imagedata></v:shape><FONT face="Times New Roman">43.881, </FONT><v:shape><v:imagedata><FONT face="Times New Roman"></FONT></v:imagedata></v:shape><FONT face="Times New Roman">=127.006</FONT><p></p></P><P 0cm 0cm 0pt 21pt; TEXT-INDENT: 26.25pt"><FONT face="Times New Roman">n<SUB>2</SUB>=n<SUB>3</SUB>=n=5, </FONT><v:shape><v:imagedata><FONT face="Times New Roman"></FONT></v:imagedata></v:shape><FONT face="Times New Roman">6.3456, </FONT><v:shape><v:imagedata><FONT face="Times New Roman"></FONT></v:imagedata></v:shape><FONT face="Times New Roman">=76.000</FONT><p></p></P><P 0cm 0cm 0pt 21pt; TEXT-INDENT: 26.25pt"><FONT face="Times New Roman">n<SUB>4</SUB>=0.0459 , </FONT><v:shape><v:imagedata><FONT face="Times New Roman"></FONT></v:imagedata></v:shape><FONT face="Times New Roman">15.35.9, </FONT><v:shape><v:imagedata><FONT face="Times New Roman"></FONT></v:imagedata></v:shape><FONT face="Times New Roman">=31.4071</FONT><p></p></P><P 0cm 0cm 0pt; TEXT-INDENT: 36pt">通过比较上面数据,我们可得到在碳源固定的情况下的最佳培养基配比方案为:碳源为<FONT face="Times New Roman">C<SUB>1</SUB></FONT>其含量<FONT face="Times New Roman">c<SUB>1</SUB>=2,</FONT>氮源为<FONT face="Times New Roman">N<SUB>1</SUB></FONT>其含量为<FONT face="Times New Roman">n<SUB>1</SUB>=0.8946, <p></p></FONT></P><P 0cm 0cm 0pt; TEXT-INDENT: 36pt"><FONT face="Times New Roman">IFN-</FONT><v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>的产量<v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape><FONT face="Times New Roman">=127.0206</FONT><p></p></P> |
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