Page 171 - The International Journal of the Royal Society of Thailand Vol.XIII-2021

The International Journal of the Royal Society of Thailand
The International Journal of the Royal Society of Thailand
Volume XIII – 2021
Volume XII, 2020
The International Journal of the Royal Society of Thailand hailand
The International Journal of the Royal Society of Thailand
The International Journal of the Royal Society of Thailand
The International Journal of the Royal Society of T
The International Journal of the Royal Society of Thailand
The International Journal of the Royal Society of Thailand
Volume X - 2020
Volume X - 2020 X - 2020
Volume
Volume X - 2020
Volume X - 2020
Volume X - 2020
• The paper should be submitted to the Editorial Board in three copies
These consonant letters are added to the original Indian based consonants
These consonant letters are added to the original Indian based consonants by
These consonant letters are added to the original Indian based consonants by
These consonant letters are added to the original Indian based consonants by
These consonant letters are added to the original Indian based consonant
These consonant letters are added to the original Indian based consonants by
by putting the curved consonants in front of the serrated ones and putting tailless
These consonant letters are added to the original Indian based consonants by s by
and an electronic file as a text file (e.g. doc).
putting the curved consonants in front of the serrated ones and putting tailless consonants
putting the curved consonants in front of the serrated ones and putting tailless consonants
putting the curved consonants in front of the serrated ones and putting tailless consonants
putting the curved consonants in front of the serrated ones and putting tailless consonants
putting the curved consonants in front of the serrated ones and putting tailless consonants
putting the curved consonants in front of the serrated ones and putting tailless consonants
consonants in front of tailed ones and then putting อ and ฮ at the very last which

• Figures should be numbered and stored in separate files with legends
in front of tailed ones and then putting อ and ฮ at the very last which gives us 44 44
in front of tailed ones and then putting อ and ฮ at the very last which gives us 44 Thai
in front of tailed ones and then putting อ and ฮ at the very last which gives us 44Th
in front of tailed ones and then putting อ and ฮ at the very last which gives us 44 Thai Thai
in front of tailed ones and then putting อ and ฮ at the very last which gives us 44 Thai Thai ai
in front of tailed ones and then putting อ and ฮ at the very last which gives us
gives us 44 Thai consonant letters as follows:
included in the main text file.
• Either English or American spelling can be used but should be
consonant letters as follows:
consonant letters as follows:
consonant letters as foll
consonant letters as follows: ows:
consonant letters as follows:
consonant letters as follows:
ก ข ฃ ค ฅ ฆ ง
ฆ ฆ
ค ฅ
ก
ค ฅ
ก ก ก
ข ฃ ข ฃ ข ฃ
ก ข ฃ
ก
ข ฃ ข ฃ ค ฅ ค ฅ ค ฅ
ช ซ
ฌ
consistent for the entire article. ค ฅ ฆ ฆ ฆ ฆ ง ง ง ง ง ง ญ
จ
ฉ
จ
ช ซ
ช ซ ช ซ ช ซ
จ
ฌ ฌ
จ
Article Structure
ฐ
ฎ ฏ
ฒ
จ จ จ ฉ ฉ ฉ ฉ ฉ ฉ ช ซ ช ซ ฌ ฌ ฌ ฌ ญ ญ ญ ญ ญ ญ ณ
ฑ
Each article should contain the following :ฒ ณ ณ ณ ณ น
ธ
ถ
ท
ด
ต
ณ ณ
ฐ ฐ
ฎ ฏ ฎ ฏ ฐ ฐ ฐ
ฑ
ฒ ฒ ฒ ฒ ฒ
ฎ ฏ
ฐ
ฎ ฏ ฎ ฏ ฎ ฏ
ฑ ฑ ฑ ฑ ฑ
• Title ด ต ถ ถ ผ ฝ ท ท ท ท ท ท ธ น ม
ถ
พ ฟ ธ ธ ธ ธ ธ
ด ต
ด ต ด ต ด ต
ภ น น น น น
บ ป ด ต ถ ถ ถ
• Short title for page headings ย ร ล ว

พ ฟ พ ฟ ภ ภ ภ
พ ฟ
บ ป บ ป บ ป
บ ป
ภ ภ
บ ป บ ป ผ ฝ ผ ฝ ผ ฝ
ผ ฝ ผ ฝ พ ฟ พ ฟ พ ฟ
ผ ฝ
• Authors and their affiliations ศ ษ ส ภ ม ม ม ม ม ม

ย ร ล ว ย ร ล ว

• A concise abstract (not more than 300 words) ย ร ล ว ว

ย ร ล ว ล

ย ร ล ว

ย ร

• Key words ศ ษ ส ศ ษ ส ห ฬ
ศ ษ ส ศ ษ ส
ศ ษ ส
ศ ษ ส
อ
ฮ

• Main text divided into sections e.g. Introduction, Materials and

ฬ

ห
ห ห ห ห ห

ฬ ฬ ฬ ฬ ฬ

Methods, Results and Conclusion
ฮ
อ
ฮ ฮ ฮ ฮ ฮ
อ อ อ อ อ
• References (of all articles cited in the text)
th

In spite of their similarity, the letter ค, the 4 consonant letter and the letter
• Table and Figure captions (numbered in sequence as they appear in
th
ศ, the In spite of their similarity, the letter ค, the 4 consonant letter and the letter ศ, the
th th th th th
In spite of their similarity, the letter ค, the 4 consonant letter and the letter ศ, the
the text) their similarity, the letter ค, the 4 consonant letter and the letter ศ, the e
In spite of their similarity, the letter ค, the 4 consonant letter and the letter ศ, th
In spite of their similarity, the letter ค, the 4 consonant letter and the letter ศ, the
In spite of their similarity, the letter ค, the 4 consonant letter and the letter ศ, the
In spite of
th th th th th
th
Abstract th letter, are put in a very distant order. If we investigate Sanskrit knowledge we may
38 letter, are put in a very distant order. If we investigate Sanskrit knowledge we may
38 lett letter, are put in a very distant order. If we investigate Sanskrit knowledge we
3838 letter, are put in a very distant order. If we investigate Sanskrit knowledge we
38er, are put in a very distant order. If we investigate Sanskrit knowledge we maymay
38 letter, are put in a very distant order. If we investigate Sanskrit knowledge we may may
38 letter, are put in a very distant order. If we investigate Sanskrit knowledge
The abstract should be concise and informative, not more than 300 words.
notice that the similarity between these 2 letters is not a coincidence.
we may notice that the similarity between these two letters is not a coincidence.
notice that the similarity between these 2 letters is not a coincidence.
notice that the similarity between these 2 letters is not a coincidence.
notice that the similarity between these 2 letters is not a coincidence.
notice that the similarity between these 2 letters is not a coincidence.
notice that the similarity between these 2 letters is not a coincidence.
It should not only indicate the general scope of the article but also state the main
In Sanskrit, the letter ศ ś becomes ค g especially when a voiced consonant comes
In Sanskrit, the letter ศ ś becomes ค g especially when a voiced consonant comes
In Sanskrit, the letter ศ ś becomes ค g especially when a voiced consonant comes
In Sanskrit, the letter ศ ś becomes ค g especially when a voiced consonant comes
In Sanskrit, the letter ศ ś becomes ค g especially when a voiced consonant comes
In Sanskrit, the letter ศ ś becomes ค g especially when a voiced consonant comes
In Sanskrit, the letterศ ś becomes ค g especially when a voiced consonant
results and conclusions.
after it. as exa
after it. as example: mple:
after it. as example:
after it. as example: ple:
after it. as example:
after it. as exam
comes after it. as example:

Ethical Guidelines
ทิศฺ diś ‘a direction’
Skt दिश ् ทิศฺ diś ‘a direction’
Experimental investigation papers must state in the Materials and
Skt Skt दिश ् ทิศฺ diś ‘a direction’
Skt दिश ् ทิศฺ diś ‘a direction’ tion’
Skt दिश ् ทิศ diś ‘a direction’
Skt दिश श ् ทิศฺ diś ‘a direc
ฺ्ทิศฺ diś ‘a direction’
Skt दि
Methods section that
วิชยินฺ vijayin ‘a conqueror’
Skt Skt दिश ् ทิศฺ diś ‘a direction’ + विजयिन् วิชยินฺ vijayin ‘a conqueror’
Skt दिश ् ทิศฺ diś ‘a direction’ + विजयिन् วิชยินฺ vijayin ‘a conqueror’
Skt दिश ् ทิศฺ diś ‘a direction’ + विजयिन् วิชยินฺ vijayin ‘a conqueror’
ทิศฺ diś ‘a direction’ + िजयिन् วิชยินฺ vijayin ‘a conqueror’
Skt दिश ् ทิศฺ diś ‘a direction’ + विजयिन् วิชยินฺ vijayin ‘a conqueror’
Skt दिश ् ทิศฺ diś ‘a direction’ + व
Skt दिश ् ทิศฺ diś ‘a direction’ + विजयिन् วิชยินฺ vijayin ‘a conqueror’
1) informed consent was obtained from all adult participants and from
The International Journal of the Royal Society of Thailand
The International Journal of the Royal Society of Thailand
parents or legal guardians of minors, including the name of the appropriate
श ् ศ ś > ग् ค g / ि ् ว v = vd = vd d
श ् ศ ś > ग् ค g / ว v = v
श ् ศ ś > ग् ค g / ि ् ว v = vd
श ् ศ ś > ग् ค g / ि ् ว v = vd
श ् ศ ś > ग् ค g / ि ् ว v = vd
श ् ศ ś > ग ค g / ि ् ว v = vd
ศ ś > ् ค g / ि ् ว v
Volume X - 2020
Volume X - 2020
institutional review board having approved the project;
The International Journal of the Royal Society of Thailand
ทิคฺวิชยินฺ digvijayin ‘a conqueror of all directions’
> दिग्विजयिन् ทิคฺวิชยินฺ digvijayin ‘a conqueror of all directions’
>
> दिग्विजयिन् ทิคฺวิชยินฺ digvijayin ‘a conqueror of all directions’
Volume X - 2020 2) the maintenance and care of experimental animals comply with the

The Thai Writing System: Reasons behind Its System
The Thai Writing System: Reasons behind Its System
The Thai Writing System: Reasons behind Its System
The Thai Writing System: Reasons behind Its System

8 8 8 8 8
The Thai Writing System: Reasons behind Its System
8 The Thai Writing System: Reasons behind Its System

> दिग्विजयिन् ทิคฺวิชยินฺ digvijayin ‘a conqueror of all directions’ Thai National Institute of Health Guidelines for the humane use of laboratory
animals or the equivalent country authority or agency;
In Sanskrit Devanāgarī script, you could see no likely relation between the letter श ्
In Sanskrit Devanāgarī script, you could see no likely relation between the letter श ्
In Sanskrit Devanāgarī script, you could see no likely relation between the
3) approval is obtained from the relevant ethical committee.
ś and ग् g but in Thai, its connection between ศ ś and ค g is easily noticed.
letter श ् ś and ग् g but in Thai, its connection between ศ ś and ค g is easily noticed.
In Sanskrit Devanāgarī script, you could see no likely relation between the letter ś and g but in Thai, its connection between ศ ś and ค g is easily noticed.
ś and ग् g but in Thai, its connection between ศ ś and ค g is easily noticed.
There are multiple pairs of similar consonant letters that can be explained in either
There are multiple pairs of similar consonant letters that can be explained in either

way. The case for ด-ต, บ-ป, ฎ-ฏ has been explained. As for ท-ฑ which look similar because
way. The case for ด-ต, บ-ป, ฎ-ฏ has been explained. As for ท-ฑ which look similar because
161
There are multiple pairs of similar consonant letters that can be explained in either 191
Anant Laulertvorakul
they share a voiced unaspirated stop but different places of articulation, the letter ท is a
they share a voiced unaspirated stop but different places of articulation, the letter ท is a
way. The case for ด-ต, บ-ป, ฎ-ฏ has been explained. As for ท-ฑ which look similar because
dental stop but ฑ is retroflex. For ล-ส are both dental but the difference is that ล is a voiced
dental stop but ฑ is retroflex. For ล-ส are both dental but the difference is that ล is a voiced
they share a voiced unaspirated stop but different places of articulation, the letter ท is a
_21-0619(189-196)END.indd 191 5/1/2565 BE 09:05
semi-vowel whereas ส is voiceless fricative.
dental stop but ฑ is retroflex. For ล-ส are both dental but the difference is that ล is a voiced semi-vowel whereas ส is voiceless fricative.

semi-vowel whereas ส is voiceless fricative.
4. Classification of Thai Consonant Letters as High, Mid and Low class
4. Classification of Thai Consonant Letters as High, Mid and Low class

4. Classification of Thai Consonant Letters as High, Mid and Low class
Because Sanskrit consonants are classified in phonological order as stated in stated in
Because Sanskrit consonants are classified in phonological order as

section 3, the inventor of Thai consonant letters has adopted the same concept
section 3, the inventor of Thai consonant letters has adopted the same concept in both in both
Because Sanskrit consonants are classified in phonological order as stated in
ordering and classifying Thai consonant letters. Even with 10 additional consonant letters
ordering and classifying Thai consonant letters. Even with 10 additional consonant letters
section 3, the inventor of Thai consonant letters has adopted the same concept in both
we have still kept the same logic in ordering and classifying to that of Sanskrit. As such
we have still kept the same logic in ordering and classifying to that of Sanskrit. As such
ordering and classifying Thai consonant letters. Even with 10 additional consonant letters
we can see that even though we divide consonants into three groups which are the High
we can see that even though we divide consonants into three groups which are the High
we have still kept the same logic in ordering and classifying to that of Sanskrit. As such
Class, the Mid Class and the Low Class, the High Class and the Low Class
Class, the Mid Class and the Low Class, the High Class and the Low Class are sub- are sub-
we can see that even though we divide consonants into three groups which are the High
categorized into High Class-1 and the High class-2 like the Low class-1 and the Low the Low
categorized into High Class-1 and the High class-2 like the Low class-1 and
Class, the Mid Class and the Low Class, the High Class and the Low Class are sub-
Class-2. All of these classes of consonant letters still have the logic of phonology behind
Class-2. All of these classes of consonant letters still have the logic of phonology behind
categorized into High Class-1 and the High class-2 like the Low class-1 and the Low
them which we will discuss later. The three classes of Thai consonant letters as stated are
them which we will discuss later. The three classes of Thai consonant letters as stated are
Class-2. All of these classes of consonant letters still have the logic of phonology behind
in table 3 as follows:
in table 3 as follows:
them which we will discuss later. The three classes of Thai consonant letters as stated are

in table 3 as follows:

Anant Laulertvorakul
Anant Laulertvorakul 9 9
Anant Laulertvorakul 9