จำนวน Repository ( 891 )

การพัฒนาสื่อมัลติมีเดีย เรื่องการเย็บตะเข็บผ้าพื้นฐานวิชาการงานอาชีพ สำหรับนักเรียนชั้นมัธยมศึกษาปีที่ 1 โรงเรียนสาธิตมหาวิทยาลัยศรีนครินทรวิโรฒ ประสานมิตร (ฝ่ายมัธยม)
การพัฒนาสื่อมัลติมีเดีย เรื่องการเย็บตะเข็บผ้าพื้นฐานวิชาการงานอาชีพ สำหรับนักเรียนชั้นมัธยมศึกษาปีที่ 1 โรงเรียนสาธิตมหาวิทยาลัยศรีนครินทรวิโรฒ ประสานมิตร (ฝ่ายมัธยม)

The purpose of this research was to: 1) use Multimedia Development to instruct Secondary 1 students learning Basic Sewing in Home Economics subject 2) compare academic achievement of students taught with the multimedia instruction and students taught with the conventional method and 3) study student satisfaction of the Multimedia Development technique Basic Sewing in Home Economics subject. A sample of 60 secondary 1 students attending Sinakharinwirot University Prasanmit Demonstration School was chosen using Cluster Random Sampling and were classified into 2 groups of 30 students; the first being the experimental group instructed with the Multimedia Development technique and the second being the control group instructed with conventional methods. The instruments of this research include lesson plans multimedia an evaluation form to track the multimedia efficiency a practice evaluation form and a questionnaire surveying student satisfaction. The statistics used for the data analysis were percentages mean standard deviation and a t-test. The results were as follows: 1) using Multimedia Development to instruct Secondary 1 students learning Basic Sewing in Home Economics subject achieved the efficiency of 82.14/80.06 2) the students taught with the multimedia technique have greater after learning achievement than those taught with the conventional method; statistical significance was at the .05 level and 3) the student satisfaction of the Multimedia Development technique Basic Sewing in Home Economics subject in high level is (x̅ = 4.42S.D. = 0.54)

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ศักยภาพของมะดูกพืชสมุนไพรพื้นบ้านของไทยในการรักษาโรคเพื่อพัฒนาองค์ความรู้ของภูมิปัญญาท้องถิ่นไปสู่การใช้ประโยชน์อย่างยั่งยืน
ศักยภาพของมะดูกพืชสมุนไพรพื้นบ้านของไทยในการรักษาโรคเพื่อพัฒนาองค์ความรู้ของภูมิปัญญาท้องถิ่นไปสู่การใช้ประโยชน์อย่างยั่งยืน

The research project on The potential of Siphonodon celastrineus Griff traditional medicinal plants of Thailand for treatment from local wisdom knowledge lead to the development of sustainable use with the objective of studying the botanical phytochemical and biological activity of the Siphonodon celastrineus to create confidence in the use of S. celastrineus in herbal medicine by using the bark leaves and fruit of the S. celastrineus to extract with 3 types of solvents. Each of hexane ethyl acetate and methanol respectively from low to high polarity. All nine extracts will be extracted. Preliminary examinations for phytochemistry Antioxidant activity by DPPH radical scavenging assay and quantitative determination of phenolic compounds by Folin-Ciocalteu method and antimicrobial activity were tested. The research found that. 1. The extract of the results of the methanol layer of the S.celastrineus shows a reduction in the amount of 11-diphenol-2-picrylhydrazyl (DPPH) had the highest EC50 equal to 31 mg/ml. The amount of phenol compounds found that the extracts from the methanol extract of S. celastrineus contain the amount of phenol. The highest concentration of 95.23 mg GAE / g dw 2. Extract from the bark of the S. celastrineus with methanol showed the best inhibition of the growth of Vibrio paraheamolyticus with the MIC value of 15.60 mg/ml. The extracts of the S. celastrineus leaf extracts with hexane showed the best inhibition of the growth of Vibrio cholerae with the MIC value equal to 31.25 mg/ml and leaf extracts with ethyl acetate showed the best inhibitory effect on the growth of Vibrio cholerae with a MIC value of 31.25 mg/ml and the extract of the fruit with ethyl acetate to inhibit the growth of Vibrio paraheamolyticus most with MIC equal to 15.60 mg/ml.

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การพัฒนาชุดตรวจวัดก๊าซสำหรับติดตั้งบนอากาศยานไร้คนขับ
การพัฒนาชุดตรวจวัดก๊าซสำหรับติดตั้งบนอากาศยานไร้คนขับ

The objective of this study were 1) to develop the gas detector unit for installation on Drone and 2) to test the operational sensitivity of the developed device. The development steps included designing complying the electrical circuit testing the electrical system and online connecting system. Besides the operational sensitivity of the developed device was tested comparing the Gas Alert Micro 5 IR the reference gas detector device both in the laboratory and the field site. The results showed that the developed gas detector could detect carbon dioxide carbon monoxide and methane and displayed the results via Line notification every minute. Additionally carbon dioxide detection by MG-811 sensor gave the results similar to the reference device by 95 percent of significant level with the average amount of detected carbon dioxide in the laboratory and the field site were 700-915 ppm and 138-399 ppm respectively. However the measured results of carbon monoxide and methane from the develop device were relatively different to the reference device. Further study on carbon monoxide sensor and methane sensor calibration are recommended.

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การพัฒนาบรรจุภัณฑ์เพื่อสิ่งแวดล้อมจากวัสดุคอมโพสิตเส้นใยผักตบชวา แกลบ และใยมะพร้าว สำหรับรักษาอุณหภูมิ
การพัฒนาบรรจุภัณฑ์เพื่อสิ่งแวดล้อมจากวัสดุคอมโพสิตเส้นใยผักตบชวา แกลบ และใยมะพร้าว สำหรับรักษาอุณหภูมิ

The research was to develop environmental packaging from composite materials hyacinth fiber rice husk and coconut fiber for temperature preservation to replace the use of foam packaging that cannot be degraded naturally. In the composite materials water hyacinth fiber rice husk and coconut fiber at the ratios 7: 1: 2 1 : 1 : 2 and 1: 1: 1 were extruded by heat using isocyanate glue as a solder and testing the physical and biological properties of composite materials as fiberboard. For testing of temperature preservation of the bio packaging heat transfer test to obtain the bio-packaging for the environment the composite materials of fiber water hyacinth rice husk and coconut fiber at the ratio of 7 : 1 : 2 was the most appropriate type. Since it had a density of 0.7 grams per cubic centimeter strength of 26.76 MPa moisture content of 3.8 percent ages and swelling of 26.63 percent ages. In dry condition at room temperature it could store heat for 2 hours and could retain the cold temperature as shown for the temperatures rising from 4 to 30.7 degree Celsius within 2 hours. This research therefore presents a new alternative method of natural fiber composite materials application for temperature preservation in order to reduce the use of foam containers and increase cost value to natural bio waste materials.

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การพัฒนาผลิตภัณฑ์สารสกัดจากผลกล้วยและเปลือกมะละกอทดแทนสารเคมีเพื่อยับยั้งเชื้อจุลินทรีย์ในครีมทาส้นเท้า
การพัฒนาผลิตภัณฑ์สารสกัดจากผลกล้วยและเปลือกมะละกอทดแทนสารเคมีเพื่อยับยั้งเชื้อจุลินทรีย์ในครีมทาส้นเท้า

At present most human-related products contain a mixture of chemicals for inhibiting microorganisms polluting the environments and harming the users. The purpose of this research was to develop a product using banana and papaya peel extracts as replacers for the chemicals inhibiting microorganisms in heel cream. By extracting raw bananas and papaya peels with coconut oil the studying the efficacy of inhibition on E. coli S. aureus Aspergillus sp. and S. cerevisiae with Disk Diffusion method at the protein concentration were performed as follows: 25 50 100 and 150 micrograms per milliliter. The observation of clear zone to observer clear zone of inhibition. and the Turbidity method using light absorption at a length of 600 nm was also were shown the corresponding results of microbial inhibition. observed and showed the consistent results. Especially the papaya extract having the protein concentration at least of 150 micrograms per milliliter could inhibit all 4 microbe species but could not inhibit S. cerevisiae that indicated a good trend of no harm on human. When mixing the extract in the heel cream it was found that Heel cream containing banana extract papaya and both mixtures displayed the density of 0.9674 0.9103 and 0.8057 gram per cubic meter respectively. They could be stored at room temperature for more than 45 days and still maintained the properties of microbial inhibition by up to 80 percentages. When studying the satisfaction of consumers collected randomly from teenagers to elders at both sexes of 40 people more than 80 percentages of the customers were satisfied with the heel cream from all extracts. These all creams could make the feet soft and moisturized within 1 week. More suggestions were to improve the smell of heel cream products to be suitable for all age of consumers. Therefore this research could be concluded that banana and papaya peel extracts inhibiting microorganisms could be used as a heel cream for further continuously developing at the industrial level.

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