<div dir="ltr"><table align="center" border="0" cellpadding="0" cellspacing="0" height="100%" width="100%" id="gmail-bodyTable" style="border-collapse:collapse;height:1004.4px;margin:0px;padding:0px;width:975.2px;background-color:rgb(250,250,250);font-family:"Times New Roman""><tbody><tr><td align="center" valign="top" id="gmail-bodyCell" style="height:984.4px;padding:10px;width:955.2px;border-top:0px"><table border="0" cellpadding="0" cellspacing="0" width="100%" class="gmail-templateContainer" style="border-collapse:collapse;border:0px;max-width:600px;width:600px"><tbody><tr><td valign="top" id="gmail-templatePreheader" style="background-image:none;background-repeat:no-repeat;background-position:50% 50%;background-size:cover;border-top:0px;border-bottom:0px;padding-top:9px;padding-bottom:9px"><table border="0" cellpadding="0" cellspacing="0" width="100%" class="gmail-mcnTextBlock" style="border-collapse:collapse;min-width:100%"><tbody class="gmail-mcnTextBlockOuter"><tr><td valign="top" class="gmail-mcnTextBlockInner" style="padding-top:9px"><table align="left" border="0" cellpadding="0" cellspacing="0" width="100%" class="gmail-mcnTextContentContainer" style="border-collapse:collapse;max-width:100%;min-width:100%"><tbody><tr><td valign="top" class="gmail-mcnTextContent" style="word-break:break-word;color:rgb(101,101,101);font-family:Helvetica;font-size:12px;line-height:18px;text-align:center;padding:0px 18px 9px"></td></tr></tbody></table></td></tr></tbody></table></td></tr><tr><td valign="top" id="gmail-templateHeader" style="background-color:rgb(255,255,255);background-image:none;background-repeat:no-repeat;background-position:50% 50%;background-size:cover;border-top:0px;border-bottom:0px;padding-top:0px;padding-bottom:0px"><table border="0" cellpadding="0" cellspacing="0" width="100%" class="gmail-mcnImageBlock" style="border-collapse:collapse;min-width:100%"><tbody class="gmail-mcnImageBlockOuter"><tr><td valign="top" class="gmail-mcnImageBlockInner" style="padding:0px"><table align="left" width="100%" border="0" cellpadding="0" cellspacing="0" class="gmail-mcnImageContentContainer" style="border-collapse:collapse;min-width:100%"><tbody><tr><td class="gmail-mcnImageContent" valign="top" style="padding:0px;text-align:center"><img align="center" alt="" src="http://gamma-y.net/header.jpg" width="600" class="gmail-mcnImage" style="border: 0px; height: auto; outline: none; vertical-align: bottom; max-width: 600px; padding-bottom: 0px; display: inline;"></td></tr></tbody></table></td></tr></tbody></table></td></tr><tr><td valign="top" id="gmail-templateBody" style="background-color:rgb(255,255,255);background-image:none;background-repeat:no-repeat;background-position:50% 50%;background-size:cover;border-top:0px;border-bottom:2px none rgb(234,234,234);padding-top:0px;padding-bottom:9px"><table border="0" cellpadding="0" cellspacing="0" width="100%" class="gmail-mcnTextBlock" style="border-collapse:collapse;min-width:100%"><tbody class="gmail-mcnTextBlockOuter"><tr><td valign="top" class="gmail-mcnTextBlockInner" style="padding-top:9px"><table align="left" border="0" cellpadding="0" cellspacing="0" width="100%" class="gmail-mcnTextContentContainer" style="border-collapse:collapse;max-width:100%;min-width:100%"><tbody><tr><td valign="top" class="gmail-mcnTextContent" style="word-break:break-word;color:rgb(32,32,32);font-family:Helvetica;font-size:16px;line-height:24px;padding:0px 18px 9px"><img align="left" height="251" src="http://gamma-y.net/cover.jpg" width="228" style="border: 0px; height: 251px; outline: none; width: 228px; margin: 0px 15px 0px 0px;"><strong>The Journal of Hunan University (Natural Sciences) </strong>is the leading Chinese academic journal that publishes articles in all areas of natural sciences. The Journal is meant to serve as a means of communication and discussion of important issues related to science and scientific activities. The Journal publishes only original articles in English and Chinese which have international importance. In addition to full-length research articles, the Journal publishes review articles. Papers can be focused on fundamental research leading to new methods, or adaptation of existing methods for new applications.<br>Currently, The Journal of Hunan University Natural Sciences contains such columns as biotechnologies and chemical engineering, computer science, mathematics, engineering, mechanical engineering, electrical engineering, civil engineering and materials science and management, and so on.</td></tr></tbody></table></td></tr></tbody></table><table border="0" cellpadding="0" cellspacing="0" width="100%" class="gmail-mcnTextBlock" style="border-collapse:collapse;min-width:100%"><tbody class="gmail-mcnTextBlockOuter"><tr><td valign="top" class="gmail-mcnTextBlockInner" style="padding-top:9px"><table align="left" border="0" cellpadding="0" cellspacing="0" width="100%" class="gmail-mcnTextContentContainer" style="border-collapse:collapse;max-width:100%;min-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