จำนวน Repository ( 771 )
การวัดความเสี่ยงตลาดทุนอาเซียน 3 ประเทศ ระหว่างปี พ.ศ. 2552 – 2556
This study examined risk measurement of 3 ASEAN capital markets during year 2009 – 2013. The objective was to study and compare risk of 3 ASEAN capital markets before and after integration of 3 ASEAN member countries : Thailand Malaysia and Singapore. GARCH Model was used for estimating risk in order to measure the daily securities price index of 3 ASEAN member countries The study split the data into two time periods the first period before integration starting from December 1st 2009 to December 1st 2011 and the second period after integration starting from December 1st 2012 to December 1st 2013. The results show volatility which is transferred by the stock exchange and the other stock exchange. The internal and external factors caused the volatility. The level and direction of volatility was likely to depend on balance between listed companies structure and economic structure of those countries characteristic of the stock exchanges and the majority of the investors of those stock exchanges.
การพัฒนาสื่อวีดิทัศน์ วิชาแกะสลักเชิงธุรกิจเพื่อการเข้าสู่ประชาคมอาเซียน
The purposes of the study were firstly to develop video program on commercial fruits and vegetables carving for accessing to ASEAN secondly to find out the video efficiency based on 80/80 criteria and lastly to survey the student satisfaction towards the video program. Samples were 30 sophomore students in Home Economics Technology under Rajamangala University of Technology Phra Nakhon in semester 2/ 2557 which were assigned to the study by simple random sampling method. The instruments used in the study were lesson assessment teaching- skill assessment and questionnaires. The data were analyzed by descriptive and inferential statistics. The study results revealed that overall both of video quality and the content were very good having mean of 4.64 and 4.51 respectively. The video program’s efficiency was 93.83/90.69 higher than 80/80 efficiency criterion. And the students satisfaction on video program was good having mean of 4.32
การอนุรักษ์และเผยแพร่ศิลป์ดอกไม้แบบไทยกรณีศึกษา : ประเพณีงานแต่งงาน
The purpose of the study is as follows : 1) to collect and study Thai floral art in wedding ceremony 2) to produce the digital media namely Thai floral art in wedding ceremony 3) to survey the satisfaction of the target group towards the media. The data is collected and analyzed form 50 persons of the target group. And the results on the media satisfaction as a whole are highly rated (4.02) when considering each category the satisfaction is highly rated from highest level to lowest level as follows : interesting contents 4.30 comfortable steps to do themselves 4.22 well sequences 4.18 revealing conservative media 4.16 pict continuity and presentation duration 4.08 special technics pictures speed motion and narration 3.96 sound effects on the media 3.88 clearly motion picture 3.82 leagible letter design 3.80 and suitable picture size 3.70
การเพิ่มประสิทธิภาพเครื่องปรับอากาศแบบแยกส่วนโดยใช้ลมเย็นจากพัดลมระบายอากาศ
This research aimed to find the possibility of increasing the efficiency of the split type air conditioner by using the cool air from a ventilation fan in the air conditioning room for cooling the condenser. Two simulation rooms size 120x120x200 centimeters were constructed. The first room was installed the evaporator and the second room was installed the condenser and a ventilation fan in the lower part of the air conditioning room to deliver the cool air for cooling the condenser. Then the system was tested and compared the energy efficiency ratio and the reduced power consumption between turning on and turning off a ventilation fan. The results of the proposed air conditioner system observed from the various load conditions at 0% 30% 60% and 100% The surrounding temperature of the condenser ranged in 30C 40C and 50C It was found that the energy efficiency ratios increased in the range of 2.94% to 5.92% and the power consumptions decreased in the range of 4.56% to 12.5% The possibility of increasing the efficiency of the air conditioner system by using the cool air from ventilation fan in the air conditioning room for cooling the condenser was verified by the increased energy efficiency ratios and the reduced power consumptions.
ผลของการใช้สารควบคุมการเจริญเติบโตร่วมกันต่อความเป็นพิษของเฮกซะคลอโรไซโคลเฮกเซนในข้าวโพดข้าวเหนียว
The effects of plant growth regulators alone or in combination on Hexachlorocyclohexane (HCH) phytotoxicity were studied. Waxy corn seeds were immersed in different plant growth regulators that are 1) 2 mg/l Indolebutyric acid (IBA) 2) 2 mg/l Thidiazuron (TDZ) 3) 2 mg/l Gibberellic acid (GA3) 4) 1 mg/l IBA + 1 mg/l TDZ 5) 1 mg/l TDZ + 1 mg/l GA3 and 6) 1 mg/l IBA + 1 mg/l GA3 then sawn in 30 mg/kg HCH-contaminated soil or non-contaminated soil for 10 days. All plant growth regulators could enhance shoot and root dried weight of waxy corn seedlings in non-contaminated soil. Only 2 mg/l GA3 could enhance root length of waxy corn seedlings in non-contaminated soil. In HCH-contaminated soil only 2 mg/l TDZ could increase shoot dried weight of waxy corn seedlings. Also 2 mg/l IBA or 1 mg/l IBA and1 mg/l GA3 could increase root fresh weight of waxy corn seedlings. The exposure with HCH in soil did not affect to shoot and root tissue even though the growth of shoot and root were inhibited. However the exposure with HCH and receive exogenous plant growth regulator induced aerenchyma formation in cortex and pith of waxy corn root.