เอกสารการประชุมวิชาการและเสนอผลงานวิจัย มหาวิทยาลัยทักษิณ ครั้งที่ 19 2552 - page 637

„µ¦ž¦³»¤ª·µ„µ¦Â¨³Áœ°Ÿ¨Šµœª·‹´¥ ¤®µª·š¥µ¨´¥š´„¬·– ‡¦´ÊŠš¸É 19 ž¦³‹Îµže 2552
3) ‹ÎµÂœ„°™µ¤‹µ„„µ¦Îµ¦ª‹˜´ ª°¥n µŠÄœÂ˜n¨³Á ˜
4) ‡Îµœª–®µ°´˜¦µ„µ¦šn°ŠÁš¸É¥ª °Šœ´„šn°ŠÁš¸É ¥ªÄœÂ˜n¨³Á ˜ ×¥„µ¦Áž¦¸ ¥Áš¸¥„´‹Îµœªœž¦³µ„¦
1,000 ‡œ čo ¤„µ¦—´Šœ¸Ê (Clowson ¨³ Knetsch, 1974)
Qj = ((Vj/n) NDj x1,000)/Pj
×¥š¸É Qj = °´˜¦µ„µ¦¤µšn °ŠÁš¸É¥ªœÊε˜„š¦µ¥ µª °Šž¦³µ„¦ÄœÁ ˜ j ˜n°ž¦³µ„¦ 1,000 ‡œ Ĝ¦° 1 že
Vj = ‹Îµœªœ˜´ª°¥nµŠœ´„šn°ŠÁš¸É¥ª‹µ„Á ˜ j
n = œµ—„¨»n ¤˜´ª°¥n µŠš´ÊŠ®¤—Ášnµ„´ 322 ‡œ
Dj = ‹Îµœªœ‡¦´ÊŠ„µ¦¤µšn°ŠÁš¸É¥ªœÊε˜„š¦µ¥ µªœ´„šn°ŠÁš¸É¥ªÄœÁ ˜ j Ĝ¦° 1 že
N = ‹Îµœªœœ´„šn°ŠÁš¸É¥ª‹Îµœªœ 6,874 ‡œ/Á—º°œ
P j = ‹Îµœªœž¦³µ„¦š´ÊŠ®¤—ÄœÁ ˜ j
j = Á ˜š¸É ¤µ °Šœ´„šn°ŠÁš¸É¥ªš´ÊŠ®¤— 5 Á ˜
5) «¹ „¬µ‡ªµ¤´ ¤¡´œ›r ¦³®ªnµŠž{ ‹‹´¥šµŠÁ«¦¬“„·‹ ´ Š‡¤Â¨³°´ ˜¦µ„µ¦¤µœ´ œšœµ„µ¦ °Ššn°ŠÁš¸É¥ªš¸É¤µ
Áš¸É¥ªœÊε˜„š¦µ¥ µª
Qj = f (TCj,X,…, Xn)
×¥š¸É Qj = °´˜¦µ„µ¦¤µœ´ œšœµ„µ¦œÊε˜„š¦µ¥ µª °Šž¦³µ„¦ÄœÁ ˜ j ˜n °ž¦³µ„¦1,000 ‡œ Ĝ¦° 1 že
TCj = ˜oœš»œÁŒ¨¸É¥Äœ„µ¦Á—·œšµŠšn°ŠÁš¸É¥ªœÊε˜„š¦µ¥ µª š¸ÉÁ„·—‹µ„„µ¦ Á—·œšµŠšn°ŠÁš¸É¥ª °Š
œ´„šn°ŠÁš¸É¥ª 1 ‡œ
X,…, Xn = ˜´ªÂž¦šµŠÁ«¦¬“„· ‹Â¨³´Š‡¤˜nµŠÇ
6) ‡Îµœª–®µ°´˜¦µ„µ¦¤µœ´œšœµ„µ¦˜n °ž¦³µ„¦ 1,000 ‡œ Ĝ˜n¨³Á ˜ Á¤ºÉ°¤¤˜·Ä®o ¤¸„µ¦Áž¨¸É¥œÂž¨Š
‡nµ›¦¦¤Áœ¸¥¤Ÿnµœž¦³˜¼ ¤¤˜· ¨³¤¸„µ¦Á¡·É¤‡nµ›¦¦¤Áœ¸¥¤ ¹ÊœÁ¦ºÉ°¥Ç čo ¤„µ¦‡ªµ¤´¤¡´œ›rŗo —´Šœ¸Ê
Q j
f = f (TCj+F)
×¥š¸É Q i
f = °´˜¦µ„µ¦¤µœ´ œšœµ„µ¦š¸ÉœÊε˜„š¦µ¥ µª °Šž¦³µ„¦ÄœÁ ˜ j ˜n°ž¦³µ„¦ 1,000 ‡œ Ĝ¦° 1 že
– ‡n µŸnµœž¦³˜¼ ¤¤˜· F µš
F = ‡n µŸn µœž¦³˜¼ ¤¤˜· š¸É¦³—´ ˜nµŠÇ
7) ‡Îµœª–®µ‹Î µœªœ‡¦´ÊŠ„µ¦¤µšn°ŠÁš¸É¥ª °Šž¦³µ„¦Â˜n¨³Á ˜ – ¦³—´ ‡nµ›¦¦¤Áœ¸¥¤Ÿnµœž¦³˜¼ ¤¤˜·š¸É
¦³—´˜nµŠÇ ×¥„µ¦œÎ µ°´˜¦µ„µ¦¤µšn °ŠÁš¸É¥ª °Šž¦³µ„¦ÄœÂ˜n¨³Á ˜‡¼–„´‹Îµœªœž¦³µ„¦Â˜n¨³Á ˜ ץčo
¼˜¦—´Šœ¸Ê
Qj
f = (Pi x Q j
f)/1,000
×¥š¸É Q i
f = °´˜¦µ„µ¦¤µœ´ œšœµ„µ¦š¸ÉœÊε˜„š¦µ¥ µª °Šž¦³µ„¦ÄœÁ ˜ j ˜n°ž¦³µ„¦ 1,000 ‡œ Ĝ¦° 1 že
– ‡nµŸnµœž¦³˜¼ ¤¤˜· F µš
8) ¦ª¦ª¤‹Îµœªœ‡¦´ÊŠ °Š„µ¦¤µšn°ŠÁš¸É¥ªœÊε˜„š¦µ¥ µª °Šœ´„šn°ŠÁš¸É¥ªÄœÂ˜n¨³Á ˜ – ‡nµŸnµœž¦³˜¼ ¤¤˜·
š¸É ¦³—´˜nµŠÇ Ĝ¦¼ž¤„µ¦—´Šœ¸Ê
Qjf = ™ Qjf
×¥š¸É Qjf = °´˜¦µ„µ¦¤µœ´ œšœµ„µ¦š¸ÉœÊε˜„š¦µ¥ µª °Šž¦³µ„¦ÄœÁ ˜ j ˜n°ž¦³µ„¦1,000 ‡œ Ĝ¦°
1 že – ‡n µŸnµœž¦³˜¼ ¤¤˜· F µš
5
j=1