This research presents a study about extrudate swell properties of high density polyethylene melts in annular die extruded in a capillary rheometer through 3 types of annular die: normal annular die convergent annular die and divergent annular die. Each type of die had a die gap of 1mm 1.5 mm and 2 mm respectively. Results of the experiment showed that extrudate swell of high density polyethylene melts occurred in both diameter swell and thickness swell ratio. The swell measured in all 3 types of die tended to be higher with the increase of shear rate and the decrease of 2 mm 1.5 mm to 1 mm die gap by an average of 12%. This occurrence could be explained from measurement of flow properties in all 3 types of die which had increasing shear stress due to the decrease of die gap by an average of 10%. Moreover it was also found that the thickness swell ratio was higher than the diameter swell by an average of 45% in all sizes of die gap. This could be explained from the Stress distribution which was more dense at the mandrels surface when the die gap of annular die decreased.

The purposed of this research the design and development of disabled clothing who sit on wheelchair to solve of wearing and removing their clothes and increase their confident to stay in normal societies for them. Research processes was to collect primary data by disabled sample measurement observed and interviewed about their requirement of the clothes analyzed and designed clothing for disability people who sit on wheelchair selected the designs to make as; 3 men clothes and 3 women clothes. Then took disability sample of 10 men’s wear and 10 women’s wear to try on clothes and corrected data to satisfied assessment of disability people for 20 samples. Statistic tools were percentage standard average and standard deviation. Research result found that disabled clothing who sit on wheelchair which selected by experts. Experts choosed prototype#1 prototype#3 and prototype#4 for Men’s wear and prototype#1 prototype#2 and prototype#4 for Women’s wear. Satisfied assessment of disabled boy who effect with clothes of Pretty Outlook Trendy Neatly Comfortably found ; In Men section as Men prototype#3 Men prototype#4 Men prototype#1 could reach satisfies as high-scored (Average scored 4.5 4.5 and 4.1). In women section as women prototype#1 Men prototype#2 Men prototype#4 could reach satisfies as high-scored (Average scored 4.4 4.2 and 4.1). of 10 sample people whom aged between 10-20 years old educated in primary school incomed less than 2000 bahts Almost care giver was female who went out to normal societies for 1-2 times per month and wanted to buy new cloth. Satisfied assessment of disabled boy who effect with clothes of Pretty Outlook Trendy Neatly Comfortably found ; In Men section as Men prototype#3 Men prototype#4 Men prototype#1 could reach satisfies as high-scored (Average scored 4.5 4.5 and 4.1). In women section as women prototype#1 Men prototype#2 Men prototype#4 could reach satisfies as high-scored (Average scored 4.4 4.2 and 4.1). It found Men prototype#1 Men prototype#3 as highest scored of satisfaction (Average scored 4.85 and 4.65 ) Men prototype#4 as high scored of satisfaction (Average scored 4.40 ). Which effected to women’s wear found that Women prototype#4 as highest scored of satisfaction (Average 4.90 ) and Women prototype#1 and #2 as high scored of satisfaction (Average 4.40 ).

A new integrable fully-balanced current-tunable in phase-lead all-pass filter is presented. The architecture of the circuit is relatively simple and symmetry with differential signals consisting of merely 6 NPN Bipolar transistors. Without external resistors and matching condition the proposed circuit is very appropriate to further develop into an integrated circuit. Simulation results shown that: frequency is a function of bias current- the increasing currents effect the higher frequency frequency is a function of capacitance low-power-consumption and the maximum useful frequency of 250 MHz

The objective of this research was to design the maternity clothes on various occasions and to explore the satisfaction of wearing the maternity clothes among pregnant women. The methodology is begin with designing the maternity dress with five collections. For each collection has three ind of particular maternity dresses. All of them will be sent to a specialist for decide and pick up the best one of each collections. Then the best of them is going to be cut out and bring to ask the satisfaction. A sample of this Quasi Experimental Research were drawn from 200 of the pregnant women with over 3 months of gestational age in Chonburi Hospital and Somdej Sriracha Hospital. They will tend to have a shape enlargement of Breast Lumbar Wrist and Ankle swelling. The researchers used data analysis with statistic of Percentage and Mean. The study showed that the pregnant women who have 13 to 24 weeks of gestation are in the majority of samples. They have ages 26 to 30 years with low level of undergraduate education degree. Most of them are doing a personal job and have a monthly income of 15000 to 20000 THB. The reasons of purchasing maternity cloth are colorful and design with the beautiful pattern. They also provide comment and suggestion that the maternity cloth should add more styles such as Casual dress shirt and pant. So that it can be worn on various occasions.The majority of samples have Mean and the level of satisfaction of all wearing the maternity clothes at High range are second third fourth fifth and the first one has percentage of 3.76 3.69 3.65 3.59 and 3.54 respectively.