• Title/Summary/Keyword: WASH

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Development Case for Washed Rice (″씻어나온 쌀″개발 사례)

  • 이상효
    • Proceedings of the Korean Society of Postharvest Science and Technology of Agricultural Products Conference
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    • 2002.08a
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    • pp.72-85
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    • 2002
  • When the quality and cooking characteristics of wash free rice was compared with those of control milled rice during storage, smaller quality change during storage and more easy to cook was found in wash free rice than control. The wash free rice equipment manufactured in foreign country was carefully investigated and commercial wash free rice equipment with 1metric ton per hour capacity was made considering the characteristics of domestic rice cultivar. Modification of the equipment was made through the repeated field test, and the technique on wash free rice equipment was transferred to the RICETECH. These systems were manufactured in RICETECH will be exported of China next year.

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Cleansing effect of the alkaline ionized water on microorganisms of the denture surface (알칼리 이온수의 의치 미생물에 대한 세정효과에 관한 연구)

  • Kim, Young-Mi;Choi, Yu-Sung;Cho, In-Ho
    • The Journal of Korean Academy of Prosthodontics
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    • v.49 no.2
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    • pp.138-144
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    • 2011
  • Purpose: The purpose of this study was to evaluate the cleansing effect of recently developed alkaline ionized water, e-WASH, on microorganisms of the denture surface. Materials and methods: Removable partial and complete dentures were randomly assigned to the experimental group of 41 dentures, and the control group of 26. The denture was immersed in the e-WASH solution (experimental group), or tap water (control group) for 5 minutes. The plaque was collected from the denture surface before and after immersion, and smeared on the slide glass. Amount and motility of microorganisms were compared according to the morphology and strain of microorganisms, using the phase contrast microscope. Statistical analysis was accomplished with paired t-test and independent t-test at 95% confidence level (P<.05). Results: 1. The amount of cocci, bacilli, filamentous, spiral/comma, and the motility of bacilli, filamentous, and spiral/comma were decreased after denture cleansing with the alkaline ionized water, e-WASH (P<.05). But in the control group, only the amount of cocci showed a significant difference (P<.05), but no difference from the others. There were no differences in other analysis. 2. In the experimental group, the amount of cocci, bacilli, filamentous, spiral/comma, and the motility of bacilli, filamentous, and spiral/comma were smaller and more inactive compared to the control group (P<.05). Conclusion: These results indicated that the alkaline ionized water, e-WASH could effectively reduce the amount and motility of the experimented microorganisms on the denture surface, and that e-WASH could be recommended as an effective denture cleanser.

Column regeneration for Partisil/Partisphere ion-exchange columns (Partisil/Partisphere 이온 교환 컬럼 재생 가이드)

  • Mark Fever;Gemma Howse
    • FOCUS: LIFE SCIENCE
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    • no.1
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    • pp.5.1-5.3
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    • 2024
  • The document discusses the regeneration of Partisil/Partisphere ion-exchange columns in chromatography. It mentions that column efficiency can diminish with use due to the accumulation of sample and/or mobile phase impurities at the head of the column. This can lead to a change in back pressure, lower column efficiency, and sometimes a change in selectivity. The document outlines a procedure that may restore column performance. The document also provides everyday practices to enhance the lifetime of a column. These include using only high-purity HPLC solvents and buffers, using freshly prepared mobile phases and buffers, filtering mobile phases to remove particulates, using appropriate sample clean-up procedures, using a guard column or pre-column filter, and working within the pressure and flow rate limitations of the column. For the regeneration of Partisil/Partisphere SAX, SCX, WAX, and WCX columns, the document suggests passing 20 column volumes of various mobile phases through the column. These include a buffer wash, distilled water, an acid wash, a chelating wash, a methanol wash, and a buffer for separation. The document emphasizes that not all of these wash steps are required for every column clean-up and that some chromatographers require only a combination of certain steps.

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A Study of Washing Conditions on Soil-release -Laundering P/C Fabric- (세탁조건이 세정 효과에 미치는 영향에 관한 연구 -P/C혼방직물을 중심으로-)

  • Nam Sang-woo
    • Journal of the Korean Society of Clothing and Textiles
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    • v.12 no.1 s.26
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    • pp.69-80
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    • 1988
  • In this study, we have compared the relative importance of various washing condition affecting on soil release for P/C blended fabrics. P/C blended fabrics were soiled by the pad-dry method with aqueous and oily soil. The washing procedures of soiled samples were performed by Atlas Launder-Ometer with 27 wash conditions which are combinations of wash temp. wash time and detergent cone. The degree of soil-release was evaluated with CIE 1976 Lab color difference before and after washing. Multiple regression analysis was used to evaluate the optimum wash conditions and the relative importance of the factors providing maximum soilremoval.

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A Study on the planning of the Sub-kitchen Module Meeting Consumer Needs for the Apartment Unit Plan (소비자 요구를 반영한 아파트 보조주방 모듈 개발에 고한 연구)

  • Bang, Hee-Jo
    • Korean Institute of Interior Design Journal
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    • v.21 no.1
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    • pp.170-176
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    • 2012
  • Korean living culture raised the users' needs for sub-kitchen. In the traditional Korean house, there was large space related to kitchen area for preparing food and stock big and bulky housing stuffs. As apartment housing became dominant as Korean dwelling, sub-kitchen has been planed in the balcony that is not included in the sales area. In this study, the case of the apartment housing in Esiapolis, Daegu was analyzed. To plan the user-oriented sub-kitchen, the consumer research was carried out. Consumers needed a pantry, more storage near the kitchen, and wanted to place washing machine and washing stand in a sub-kitchen. Sub-kitchens were planed to meet those consumers' needs. Through this case study and former studies analysis, sub-kitchen's function unit was derived: wash, storage, auxiliary work. By combining each function unit, sub-kitchen was classified into 3 types, wash & auxiliary work, wash & storage, and wash & storage & auxiliary work. For each sub-kitchen type, components of function units, available layouts, and minimum size were recommended.

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Color Fastness of PLA Fiber Dyed with Vat Dyes (Poly Lactic Acid 섬유의 Vat 염료에 대한 염색견뢰도)

  • Jeong, Dong-Seok;Chun, Tae-Il
    • Textile Coloration and Finishing
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    • v.25 no.1
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    • pp.75-81
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    • 2013
  • Colorimetric and wash fastness data after repeated wash cycles of Poly Lactic Acid(PLA) fiber were examined with C. I. Vat Blue 1, also other comparing 2 dyes (C. I. Vat Blue 35, C. I. Vat Blue 5), in this study. The fastness of three vat dyes on PLA fiber to repeated washing according to KS K 0430 A-2 regulation increased with dyeing temperatures. The $L^*$ values of the dyed material gradually increased with increasing numbers of wash. Also the f(k) values were decreased reversely. During repeated washing, the vagrant dyes were deposited especially on nylon, polyester, cotton of the adjacent multifiber. C. I. Vat Blue 5 displayed lowest color change to repeated washing of the three dyes used.

The Compatibility and Wash Durability of Antimicrobial Activities of Cotton Fabrics Treated with Gallnut Extracts After Dyed with Reactive Dyes (반응 염색 면직물에 대한 오배자 추출 항균물질의 상용성 및 세탁내구성)

  • 윤석한;김태경;김미경;김윤영;윤남식;이유순
    • Textile Coloration and Finishing
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    • v.16 no.2
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    • pp.41-46
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    • 2004
  • We have studied on the experimental variables such as optimum adsorption condition, color changes, light fastness, antimicrobial properties, and wash durability of the cotton fabrics treated with gallnut extracts. Treatment of gallnut extracts on the cotton fabrics was optimally achieved at 6$0^{\circ}C$ for 60min. Gallnut extracts did not cause unintended color change after treatment on the cotton fabrics dyed with reactive dyes. The cotton fabrics treated with gallnut extracts showed good light fastness, though we took into the account the extract is a natural material. The cotton fabrics treated with 10.0% o.w.f. of gallnut extracts had strong antimicrobial activity and good wash durability.

Exploration and Analysis of "Integration of Chinese and Western Cultures" of Chinese Realistic Ink Wash Figure Painting

  • Guo Yuan
    • International Journal of Advanced Culture Technology
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    • v.11 no.1
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    • pp.204-211
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    • 2023
  • Chinese figure painting is the earliest type of painting to be mature in the history of Chinese painting. After its peak in the Jin and Tang dynasties, Chinese figure painting turned into a low tide in the Ming and Qing dynasties. Under the influence of the May Fourth New Culture Movement's concept of "introducing the Western culture into China", realistic ink wash figure painting emerged, which was different from traditional painting. Realistic ink wash figure painting is a new kind of painting that combines traditional Chinese painting methods with concepts of Western scientific painting. With the mutual reconciliation of realistic modeling and traditional Chinese painting, it makes up for the shortcomings of traditional Chinese figure painting in reproducing life, thus forming the diversified development of Chinese figure painting. Through an in-depth interpretation of the fusion of Chinese realistic ink figure painting with Chinese and Western, this paper accurately grasps the characteristics of the painting language, which is an important guide to the creation of Chinese realistic ink painting today.

Design Guideline of Height-adjustable Wash Basin for Persons with Disability (고령자 및 장애인용 높이조절 세면기의 설계 가이드라인)

  • Bae, Ju-Hwan;Moon, Inhyuk
    • Journal of rehabilitation welfare engineering & assistive technology
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    • v.11 no.4
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    • pp.349-354
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    • 2017
  • In this study, we proposed a design guideline of height-adjustable wash basin which is an assistive product for personal hygiene for persons with disability. We performed biomechanical assessments using both of conventional and prototype height adjustable wash basin. Total five elderly subjects (all male, age $68.6{\pm}4.3yrs.$, height $169.8{\pm}5.7cm$, weight $70{\pm}7.7kg$) participated for the assessment test. Each joint angles were measured by using a 3D motion capture system when subjects use wash basins, and the lumbar moment of each subjects was estimated based on a human body model. From the assessment results, a design guideline which has the range of the height from 652[mm] to 1162[mm] was proposed. Then additional assessment tests with five healthy subjects ($25.8{\pm}1.8yrs.$, $175.5{\pm}5.8cm$, $74{\pm}15.7kg$) were performed in order to verify effectiveness of the design guideline. The results showed a height-adjustable wash basin applied the proposed design guideline was effective to reduce the lumbar moment.

Burden of Disease Attributable to Inadequate Drinking Water, Sanitation, and Hygiene in Korea

  • Kim, Jong-Hun;Cheong, Hae-Kwan;Jeon, Byoung-Hak
    • Journal of Korean Medical Science
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    • v.33 no.46
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    • pp.288.1-288.12
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    • 2018
  • Background: Diarrheal and intestinal infectious disease caused by inadequate drinking water, sanitation, and hygiene (WASH) is not only a great concern in developing countries but also a problem in low-income populations and rural areas in developed countries. In this study, we assessed the exposure to inadequate WASH in Korea and estimated the burden of disease attributable to inadequate WASH. Methods: We used observational data on water supply, drinking water, sewage treatment rate, and hand washing to assess inadequate WASH conditions in Korea, and estimated the level of exposure in the entire population. The disease burden was estimated by applying the cause of death data from death registry and the morbidity data from the national health insurance to the population attributable fraction (PAF) for the disease caused by inappropriate WASH. Results: In 2013, 1.4% of the population were exposed to inadequate drinking water, and 1.0% were living in areas where sewerage was not connected. The frequency of handwashing with soap after contact with excreta was 23.5%. The PAF due to inadequate WASH as a cluster of risk factors was 0.353 (95% confidence interval [CI], 0.275-0.417), among which over 90% were attributable to hand hygiene factors that were significantly worse than those in American and European high-income countries. Conclusion: The level of hand hygiene in Korea has yet to be improved to the extent that it shows a significant difference compared to other high-income countries. Therefore, improving the current situation in Korea requires a continuous hand washing campaign and a program aimed at all people. In addition, continuous policy intervention for improvement of sewage treatment facilities in rural areas is required, and water quality control monitoring should be continuously carried out.