Diffusion ½ÇÇè°úÁ¦ °Ë»ö°á°ú
16 °Ç (1/2 ÂÊ)
»ó¼¼Á¶°Ç 
 
ÆÄÀÏÁ¾·ù 
|
[ÀÚ¿¬°úÇÐ]ÈÇаøÇÐ - Liquid Diffusion [¾×ü È®»ê ½ÇÇè] / ½ÇÇèÁ¦¸ñ Liquid Diffusion (¾×ü È®»ê) 0000³â ¹Ý Á¶ 0¿ù0ÀÏ ½ÇÇè¸ñÀû ¾×ü È®»ê °è¼ö¸¦ ÀÌ¿ëÇÏ¿© ¾×ü¿Í ¾×ü°£ÀÇ È®»êÀ» °üÂûÇÏ°í ÀÌ¿¡ ´ëÇÑ ¾×ü È®»ê °è¼ö¸¦ ÃøÁ¤ÇÏ°í °è»êÇÑ´Ù. ¸ô¼ö¿¡ µû¸¥ NaClÀÇ Àüµµµµ(conductivity)¸¦ ÀÌ¿ëÇÏ¿© ¾×üÀÇ È®»ê¼Óµµ °è¼ö¸¦ ±¸ÇÑ´Ù. Çйø ¼º¸í ±â±â ¹× ÃÊÀÚ Àüµµµµ ÃøÁ¤ ÀåÄ¡, ¸¶±×³×¡¦ |
|
¹°¸®ÈÇÐ  | 
5p age   | 
1,500 ¿ø
|
|
|
|
|
|
[ÀÚ¿¬°úÇÐ]ÈÇаøÇÐ - Liquid Diffusion [¾×ü È®»ê ½ÇÇè] / ½ÇÇèÁ¦¸ñ Liquid Diffusion (¾×ü È®»ê) 0000³â ¹Ý Á¶ 0¿ù0ÀÏ ½ÇÇè¸ñÀû ¾×ü È®»ê °è¼ö¸¦ ÀÌ¿ëÇÏ¿© ¾×ü¿Í ¾×ü°£ÀÇ È®»êÀ» °üÂûÇÏ°í ÀÌ¿¡ ´ëÇÑ ¾×ü È®»ê °è¼ö¸¦ ÃøÁ¤ÇÏ°í °è»êÇÑ´Ù. ¸ô¼ö¿¡ µû¸¥ NaClÀÇ Àüµµµµ(conductivity)¸¦ ÀÌ¿ëÇÏ¿© ¾×üÀÇ È®»ê¼Óµµ °è¼ö¸¦ ±¸ÇÑ´Ù. Çйø ¼º¸í ±â±â ¹× ÃÊÀÚ Àüµµµµ ÃøÁ¤ ÀåÄ¡, ¸¶±×³×¡¦ |
|
¹°¸®ÈÇÐ  | 
5p age   | 
1,500 ¿ø
|
|
|
|
|
|
[ÀÚ¿¬°úÇÐ] ÈÇлý¹°°øÁ¤ ½ÇÇè - Liquid Diffusion Coefficient / Abstract À̹ø ½ÇÇè¿¡¼´Â Diffusion Cell¿¡¼ ÀϾ´Â Na+/Cl- ÀÌ¿ÂÀÇ DiffusionÀ» Conductivity ÃøÁ¤À» ÅëÇØ °üÂûÇÏ¿´´Ù. Conductivity ÃøÁ¤À» ÅëÇØ Á¤·®ÈµÈ µ¥ÀÌÅÍÀÇ °è»êÀ¸·Î Na+/Cl- ÀÌ¿ÂÀÇ Æò±Õ Diffusion Coefficient¸¦ ±¸ÇÏ¿´°í À̸¦ ÀÌ·Ð °ª°ú ºñ±³ÇÔÀ¸·Î ÀÌ·Ð ½ÄÀÇ ¼º¸³À» È®ÀÎÇÏ¿´´Ù. ºñ·Ï °è»êµÈ Diffusio¡¦ |
|
»ý¹°ÀÇ¾à  | 
14p age   | 
2,000 ¿ø
|
|
|
|
|
|
¡¥r Sink of Matter 1 Surface Diffusion Surface Neck 2 Lattice Diffusion Surface Neck 3 Vapor transport Surface Neck 4 Boundary Diffusion Grain Boundary Neck 5 Lattice Diffusion Grain Boundary Neck 6 Lattice Diffusion Dislocations Neck Ãʱâ´Ü°è´Â ÀÔÀÚ¿Í ÀÔÀÚ »çÀÌ¿¡ neck°¡ Çü¼ºµÇ´Â ´Ü°è·Î½á, º¸Åë ¼Ò°á¼öÃàÀÌ ¾à 3~5%±îÁö µÇ´Â ´Ü°è¸¦ ¸»ÇÑ´Ù. ÀÌ ´Ü°è´Â ¼Ò°áÀÇ ±¸¡¦ |
|
±â°èÀç·á  | 
4p age   | 
1,200 ¿ø
|
|
|
|
|
|
¡¥r Sink of Matter 1 Surface Diffusion Surface Neck 2 Lattice Diffusion Surface Neck 3 Vapor transport Surface Neck 4 Boundary Diffusion Grain Boundary Neck 5 Lattice Diffusion Grain Boundary Neck 6 Lattice Diffusion Dislocations Neck Ãʱâ´Ü°è´Â ÀÔÀÚ¿Í ÀÔÀÚ »çÀÌ¿¡ neck°¡ Çü¼ºµÇ´Â ´Ü°è·Î½á, º¸Åë ¼Ò°á¼öÃàÀÌ ¾à 3~5%±îÁö µÇ´Â ´Ü°è¸¦ ¸»ÇÑ´Ù. ÀÌ ´Ü°è´Â ¼Ò°áÀÇ ±¸¡¦ |
|
±â°èÀç·á  | 
4p age   | 
1,200 ¿ø
|
|
|
|
|
|
[¹Ì»ý¹°ÇÐ] Cystine Tellurite Blood Agar ¿Ü 4°¡Áö ½ÇÇè / [¹Ì»ý¹°ÇÐ] Cystine Tellurite Blood Agar ¿Ü 4°¡Áö ½ÇÇè 1. Cystine-Tellurite Blood Agar 2. Disk Diffusion (BAUER-KIRBY) Susceptibility Test For Nonfastidious Bacteria 3. Performance of Microbroth Dilution Susceptibility Tests with Nonfastidious Bacteria 4. Gradient Diffusion Test(ETEST) for Bacterial Susc¡¦ |
|
»ý¹°ÀÇ¾à  | 
7p age   | 
1,000 ¿ø
|
|
|
|
|
|
Á¢ÇÕ ´ÙÀÌ¿ÀµåÀÇ Æ¯¼º / Á¢ÇÕ ´ÙÀÌ¿ÀµåÀÇ Æ¯¼º 1. ½ÇÇè ¸ñÀû (1) ¼ø¹æÇâ ¹× ¿ª¹æÇâ ¹ÙÀ̾(bias)Àü¾ÐÀÌ Á¢ÇÕ ´ÙÀÌ¿Àµå(Junction diode)ÀÇ Àü·ù¿¡ ¹ÌÄ¡´Â È¿°ú¸¦ ÃøÁ¤ÇÑ´Ù. (2) Á¢ÇÕ ´ÙÀÌ¿ÀµåÀÇ Àü¾Ð-Àü·ù Ư¼ºÀ» ½ÇÇèÀûÀ¸·Î °áÁ¤ÇÏ°í µµ½ÃÇÑ´Ù. (3) Á¢ÇÕ ´ÙÀÌ¿Àµå¸¦ ÀúÇ×°è·Î ½ÃÇèÇÏ´Â ¹ýÀ» ÀÍÈù´Ù. 2. ½ÇÇè ÀÌ·Ð 1) pnÁ¢ÇÕ ´ÙÀÌ¿Àµå pÇü ¹ÝµµÃ¼¿Í nÇü ¹ÝµµÃ¼°¡ ±Ý¼ÓÀûÀ¸·Î Á¢Çյȡ¦ |
|
Àü±âÀüÀÚ  | 
5p age   | 
1,500 ¿ø
|
|
|
|
|
|
[°øÇÐ]±âÃʽÇÇè - Àç·áÀÇ È®»ê½ÇÇè / 1)½ÇÇèÁ¦¸ñ Àç·áÀÇ È®»ê½ÇÇè 2)½ÇÇè¸ñÀû »óȣȮ»êÀ» ÀÌÇØÇϱâ À§Çؼ Cu ³»¿¡¼ÀÇ Zn È®»ê¿¡¼ÀÇ È®»ê°è¼ö¸¦ ¾î¸² °áÁ¤ÇÑ´Ù. 3)½ÇÇèÀåºñ (1) ¿Ü°æ 25mm, ³»°æ ¾à 10mm ³ôÀÌ 20mm¸¦ °®´Â ±¸¸®È¯°ú Á÷°æÀÌ ¾à 10mmÀÌ°í ³ô ÀÌ°¡ 25mmÀÎ 60Cu-40Zn, 60Cu-40Sn ºÀÀÇ ½Ã·á (2) ÇÁ·¹½º, Åé (3) ¿Âµµ Á¶Á¤ÀåÄ¡°¡ ºÙÀº Àü±â °¡¿·Î(900¡ÆC ±îÁö »ç¿ë°¡´É¡¦ |
|
±â°èÀç·á  | 
8p age   | 
1,800 ¿ø
|
|
|
|
|
|
[ÀÚ¿¬°úÇÐ]±âÃʽÇÇè - Àç·áÀÇ È®»ê½ÇÇè / 1)½ÇÇèÁ¦¸ñ Àç·áÀÇ È®»ê½ÇÇè 2)½ÇÇè¸ñÀû »óȣȮ»êÀ» ÀÌÇØÇϱâ À§Çؼ Cu ³»¿¡¼ÀÇ Zn, Sn È®»ê¿¡¼ÀÇ È®»ê°è¼ö¸¦ ¾î¸² °áÁ¤ÇÑ´Ù. 3)½ÇÇèÀåºñ (1) ¿Ü°æ 25mm, ³»°æ ¾à 10mm ³ôÀÌ 20mm¸¦ °®´Â ±¸¸®È¯°ú Á÷°æÀÌ ¾à 10mmÀÌ°í ³ô ÀÌ°¡ 25mmÀÎ 60Cu-40Zn, 60Cu-40Sn ºÀÀÇ ½Ã·á (2) ÇÁ·¹½º, Åé (3) ¿Âµµ Á¶Á¤ÀåÄ¡°¡ ºÙÀº Àü±â °¡¿·Î(900¡ÆC ±îÁö ¡¦ |
|
±â°èÀç·á  | 
8p age   | 
1,800 ¿ø
|
|
|
|
|
|
¡¥luid Dynamics)¿¡¼´Â, À¯Ã¼°¡ ¸ð¸àÅÒ È®»ê(Diffusion)ÀÌ ³ô°í, ¸ð¸àÅÒ ´ë·ù(Convection)°¡ ³·À¸¸ç, ¾Ð·Â ¹× ¼Óµµ°¡ ½Ã°£¿¡ ¹«°üÇÑ À¯µ¿À» Ãþ·ù¶ó°í ÇÑ´Ù. ÀÌ ¿ë¾î´Â ³·ù(Turbulent flow)¿Í ¹Ý´ëµÇ´Â ¿ë¾îÀÌ´Ù. ¾î¶² À¯µ¿ÀÌ Ãþ·ùÀÎÁö ³·ùÀÎÁö¸¦ ±â¼úÇÏ´Â µ¥¿¡ Áß¿äÇÑ ÀÎÀÚ°¡ µÇ´Â °ÍÀÌ ¹«Â÷¿ø ¼ö(Dimensionless Number)ÀÎ ·¹À̳îÁîÀÌ´Ù. ³»ºÎ À¯µ¿(Internal Flow)¿¡¼´Â ·¹À̳îÁî ¼ö°¡¡¦ |
|
ÀÚ¿¬°úÇÐ  | 
9p age   | 
1,800 ¿ø
|
|
|
|
|