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Çѱ¹Áö¹Ý°øÇÐȸ / v.15, no.3, 1999³â, pp.131-149

( Quantification of Surface Topography Using Digital Image Analysis )
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¿©·¯ ¿¬±¸µéÀ» ÅëÇÏ¿© Ç¥¸é °ÅÄ¥À½ Á¤µµ°¡ Á¢Ã˸é Àü´Ü·Â¿¡ ¸Å¿ì Áß¿äÇÔÀÌ ¹àÇôÁ³À¸¸ç, µû¶ó¼­ ±× ¿ªÇÒÀ» ÃæºÐÈ÷ ÀÌÇØÇϱâ À§Çؼ­´Â Ç¥¸é °ÅÄ¥À½ Á¤µµ°¡ Á¤È®È÷ Á¤·®È­ µÇ¾î¾ß ÇÑ´Ù. ÀÌ ¿¬±¸¿¡¼­´Â Ç¥¸é Çü»óÀ» Á¤·®È­Çϱâ À§ÇÏ¿© ÀϹÝÀûÀ¸·Î »ç¿ëµÇ´Â Ç¥¸é °ÅÄ¥±â ¸Å°³º¯¼ö¿Í ÃøÁ¤¹æ¹ý¿¡ ´ëÇÏ¿© ¿©·¯ Âü°í¹®ÇåµéÀ» °ËÅäÇÏ¿´´Ù. À̰ÍÀ» ¹ÙÅÁÀ¸·Î Normalized Roughness Parameter, $R_n$ (Uesugi and Kishida, 1986), Profile Roughness Parameter, $R_L$, ±×¸®°í Surface Roughness Parameter, $R_n$(Dove and Frost, 1996)°¡ ÀûÇÕÇÑ Ç¥¸é °ÅÄ¥±â ¸Å°³º¯¼ö·Î ¼±ÅõǾúÀ¸¸ç, µðÁöÅÐ À̹ÌÁö ºÐ¼® ½Ã½ºÅÛÀ» ÀÌ¿ëÇÑ Optical Profile Microscopy(OPM) ¹æ¹ýÀ» Ç¥¸é °ÅÄ¥À½ ÃøÁ¤¹æ¹ýÀ¸·Î ¼±ÅÃÇÏ¿´´Ù ÀÌ ½ÇÇèÀåºñ¸¦ ÀÌ¿ëÇÏ¿© ÀϹÝÀûÀ¸·Î »ç¿ëµÇ´Â Áö¿À¸âºê·¹ÀÎÀÇ Ç¥¸é°ú Ç¥¸é ÆÐÅÏÀ» ´ëÇ¥ÇÏ´Â, Ç¥¸éÀÌ ¸Å²ô·¯¿î °Í°ú 3°¡Áö Á¾·ùÀÇ µ¹±âÇü HDPE Áö¿À¸âºê·¹ÀÎÀ» »ç¿ëÇÏ¿©, Àü´Ü ½ÃÇè¿¡ »ç¿ëµÇÁö ¾Ê¾Ò´ø Áö¿À¸âºê·¹Àΰú Àü´Ü½ÃÇèÈÄÀÇ Áö¿À¸âºê·¹Àο¡ ´ëÇÑ Ç¥¸é °ÅÄ¥À½ Á¤µµÀÇ Á¤·®È­ ÀÛ¾÷À» ¼öÇàÇÏ¿´´Ù. ±× °á°ú, $R_L°ú; R_S$°ªÀº ÀÌ ¿¬±¸¿¡ »ç¿ëµÈ Áö¿À¸âºê·¹ÀÎÀÇ °ÅÄ¥À½ Á¤µµ¸¦ ÃæºÐÇÑ ÃøÁ¤¹üÀ§·Î Ç¥ÇöÇÒ ¼ö ÀÖ´Â ¸Å°³º¯¼ö·Î ¹àÇôÁ³À¸³ª, $R_n$°ªÀº ÃæºÐÈ÷ Ç¥¸é °ÅÄ¥À½ Á¤µµÀÇ Â÷À̸¦ Ç¥ÇöÇϱ⿡´Â ºÎÁ·ÇÏ°Ô ¸Å¿ì Á¼Àº º¯È­ ¹üÀ§¸¦ ³ªÅ¸³»¾ú´Ù. ÀÌ ¿¬±¸´Â Á¢Ã˸鿡¼­ Ç¥¸é °ÅÄ¥À½ Á¤µµ°¡ Á¢Ã˸é Àü´Ü·Â¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Á¶»çÇϰíÀÚ ¿ì¼±ÀûÀ¸·Î Ç¥¸é °ÅÄ¥À½ Á¤µµÀÇ Á¤·®È­ ÀÛ¾÷À» ¿¬±¸ÇÑ °ÍÀÌ´Ù.M SDS¿Í 117mM $SOFTANOLcircledR-90$ÀÇ Log $K_m$Àº °¢°¢ 2.95-3.76, 2.95-3.49ÀÇ °ªÀ» ³ªÅ¸³»¾ú´Ù. ¶ÇÇÑ SDS¿Í $SOFTANOLcircledR-90$ÀÇ °æ¿ì Log $K_m°ú; Log; K_{ow}$´Â ¼±ÇüÀûÀÎ °ü°è¸¦ º¸¿´´Ù. °è¸éȰ¼ºÁ¦ ¿ë¾×¿¡¼­ BTEXÀÇ ºÐ¹è °³³äÀº Áö¹Ý³» Æ÷ÁýµÇ¾î ÀÖ´Â ¼Ò¼ö¼º À¯±â ¿À¿°¹°ÀÇ Á¦°Å¸¦ ÅëÇÑ Áö¹Ýº¹¿ø°ú È¿À²¼º Æò°¡¿¡ Áß¿äÇÑ ¿ªÇÒÀ» ÇÒ °ÍÀÌ´Ù.largely ignored since the introduction of western medical science, and was considered something used only by the aged or the uneducated. Moreover, Health concerned practices and customary traditional therapy have been discarded in the clinical medicine as "unscientific" or "unsystematic". As described above, it is true that Korean nursing has developed in the quantitative aspect only adhering to western nursing intervention. Now it is the time to stop to hold ourself and to look back our past. To find and develop the originality of Korean nursing to cope with the globalization, it is necessary t
It was found that surface roughness has a first-order effect on the interface shear strength and accordingly it should be accurately quantified if its role is to be properly understood. To quantify the surface topography, first of all, a variety of commonly used surface roughness parameters and profiling methods were reviewed in this study. Based on this review, the normalized roughness parameter. $R_n$(Uesugi and Kishida, 1986), the profile roughness parameter, $R_L$, and the surface roughness parameter, $R_n$(Dove and Frost, 1996), were selected to be appropriate candidates of roughness parameters and the digital image analysis based Optical Profile Microscopy(OPM) method(Dove and Frost, 1996) to be an appropriate profiling method for this study. Using a smooth and three textured HDPE geomembranes which encompass the range of textures and texture patterns commonly used, a series of roughness measurements on virgin and previously used geomembranes were performed. The results showed that both $R_L; and; R_S$ values appropriately reflect the degree of texturing for the geomembranes used in this study, however, $R_n$ value showed limited ranges of variation which may not be sufficient to permit distinction between roughness values for certain conditions. The results of this study will be extended to the investigation of the influence of surface roughness on interface strength in future study.
 
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Surface roughness;Geomembrane;Interface;Shear strength;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.15, no.3, 1999³â, pp.131-149
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911921749241)
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³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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