激光安全知识普及（3）
<Palign=center><B>光照射皮肤的病理生理效应</B><B><p></p></B></P><DIV align=center>
<TABLEcellSpacing=0 cellPadding=0 border=1>
<TR>
<TDvAlign=top width=77>
<Palign=center>辐射类型<p></p></P></TD>
<TDvAlign=top width=99>
<Palign=center>波长（<FONT face="Times New Roman">nm</FONT>）<p></p></P></TD>
<TDvAlign=top width=342>
<Palign=center>主要症状<p></p></P></TD></TR>
<TR >
<TDvAlign=top width=77>
<Palign=center><FONT face="Times New Roman">UV-C<p></p></FONT></P></TD>
<TDvAlign=top width=99>
<Palign=center><FONT face="Times New Roman">180~280<p></p></FONT></P></TD>
<TDvAlign=top width=342>
<Palign=center>红斑，皮肤老化，皮肤癌<p></p></P></TD></TR>
<TR >
<TDvAlign=top width=77>
<Palign=center><FONT face="Times New Roman">UV-B<p></p></FONT></P></TD>
<TDvAlign=top width=99>
<Palign=center><FONT face="Times New Roman">280~315<p></p></FONT></P></TD>
<TDvAlign=top width=342>
<Palign=center>色素颗粒增多，色素沉着<p></p></P></TD></TR>
<TR >
<TDvAlign=top width=77>
<Palign=center><FONT face="Times New Roman">UV-A<p></p></FONT></P></TD>
<TDvAlign=top width=99>
<Palign=center><FONT face="Times New Roman">315~400<p></p></FONT></P></TD>
<TDvAlign=top width=342>
<Palign=center>色素颗粒增多，皮肤变黑，皮肤烧伤<p></p></P></TD></TR>
<TR >
<TDvAlign=top width=77>
<Palign=center>可见光<p></p></P></TD>
<TDvAlign=top width=99>
<Palign=center><FONT face="Times New Roman">400~700<p></p></FONT></P></TD>
<TDvAlign=top width=342>
<Palign=center>光敏反应，色素增多，皮肤变黑，烧伤<p></p></P></TD></TR>
<TR >
<TDvAlign=top width=77>
<Palign=center><FONT face="Times New Roman">IR-A<p></p></FONT></P></TD>
<TDvAlign=top width=99>
<Palign=center><FONT face="Times New Roman">700~1400<p></p></FONT></P></TD>
<TDvAlign=top width=342>
<Palign=center>皮肤烧伤<p></p></P></TD></TR>
<TR >
<TDvAlign=top width=77>
<Palign=center><FONT face="Times New Roman">IR-B<p></p></FONT></P></TD>
<TDvAlign=top width=99>
<Palign=center><FONT face="Times New Roman">1400~3000<p></p></FONT></P></TD>
<TDvAlign=top width=342>
<Palign=center>皮肤烧伤<p></p></P></TD></TR>
<TR>
<TDvAlign=top width=77>
<Palign=center><FONT face="Times New Roman">IR-C<p></p></FONT></P></TD>
<TDvAlign=top width=99>
<Palign=center><FONT face="Times New Roman">3000~10<SUP>6<p></p></SUP></FONT></P></TD>
<TDvAlign=top width=342>
<Palign=center>皮肤烧伤<p></p></P></TD></TR></TABLE></DIV>
页:
[1]