• Title/Summary/Keyword: healing temperature

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The Graft-take and Growth of Grafted Peppers (Capsicum annuum L.) Affected by Temperature, Relative Humidity, and Light Conditions During Healing and Acclimatization (접목활착 기간 중 온도.상대습도 및 광조건이 고추 접목묘의 활착 및 생육에 미치는 영향)

  • Jang, Yoon-Ah;Moon, Ji-Hye;Lee, Ji-Weon;Kim, Seung-Yu;Chun, Chang-Hoo
    • Journal of Bio-Environment Control
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    • v.18 no.4
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    • pp.385-392
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    • 2009
  • This study was performed to evaluate the influence of temperature, relative humidity, and light conditions during healing and acclimatization on the graft-take and growth of grafted peppers (Capsicum annuum L.), in order to propose optimum environmental conditions for the healing and acclimatization of grafted peppers. The healing and acclimatization period was for six days and was divided into three stages (Stage I, II and III), of which each period was two days. Grafted peppers were healed under the condition of 30 and 95% relative humidity (RH) during Stage I. During Stage II and III, grafted peppers were healed and acclimatized under different temperatures ($20^{\circ}C$, $25^{\circ}C$, or $30^{\circ}C$) and RH conditions (75%, 85% or 95%). The growth of grafted peppers was greater under lower temperature and lower relative humidity conditions. The graft-take just after the end of healing and acclimatization was greater grafted peppers under high RH condition. However, the graft-take of peppers which were healed and acclimatized under $30^{\circ}C$ and RH 95%, dropped by about 10 percent on day seven after healing and acclimatization. And also, grafted peppers were healed and acclimatized under the different temperatures ($25^{\circ}C$ or $30^{\circ}C$), RH conditions (65%, 75% or 85%), and light condition (dark or light). Lower RH (to 65%) and light condition at $25^{\circ}C$ during healing and acclimatization promoted the graft-take and growth of grafted peppers.

Studies on the HACCP Model of Steak-Set Menu in Hotel (HACCP 모델 적용시 호텔 .레스토랑의 세트 메뉴 중 스테이크에 관한 연구)

  • 양신철
    • Journal of Applied Tourism Food and Beverage Management and Research
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    • v.12 no.1
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    • pp.5-24
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    • 2001
  • This study was focused on the sanitary analysis of hazard factors and the establishment of critical control points on steak-set menu In hotel by the documents and microbiological investigation. The hazard factors of shrimp cocktail were microbial contamination, residual pesticides, unsuitable healing and cross contamination. The hazard factors of potato soap were residual pesticides, microorganisms contamination, unsuitable heating and solanine in potato. The hazard factors of simple salad were microorganisms contamination, unsuitable heating and cross contamination by inappropriate package. The hazard factors of steal were residual antimicrobial drugs, microorganisms contamination, unsuitable heating and cross contamination. The critical control points of shrimp cocktail were temperature control , number of washing and center temperature control of heating step. The critical control points of potato soup were stock temperature control , number of washing and center temperature control of Heating step. The critical control points of simple salad were number of washing and dryness of utensil. The critical control points of steak were stock temperature control , number of washing, center temperature and time control of heating step.

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Behavior of Plasma-doped Graphene upon High Temperature Vacuum Annealing

  • Lee, Byeong-Joo;Jo, Sung-Il;Jeong, Goo-Hwan
    • Applied Science and Convergence Technology
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    • v.27 no.5
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    • pp.100-104
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    • 2018
  • Herein, we present the behavior of plasma-doped graphene upon high-temperature vacuum annealing. An ammonia plasma-treated graphene sample underwent vacuum annealing for 1 h at temperatures ranging from 100 to $500^{\circ}C$. According to Raman analysis, the structural healing of the plasma-treated sample is more pronounced at elevated annealing temperatures. The crystallite size of the plasma-treated sample increases from 13.87 to 29.15 nm after vacuum annealing. In addition, the doping level by plasma treatment reaches $2.2{\times}10^{12}cm^{-2}$ and maintains a value of $1.6{\times}10^{12}cm^{-2}$, even after annealing at $500^{\circ}C$, indicating high doping stability. A relatively large decrease in the pyrrolic bonding components is observed by X-ray photoelectron spectroscopy as compared to other configurations, such as pyridinic and amino bindings, after the annealing. This study indicates that high-vacuum annealing at elevated temperatures provides a method for the structural reorganization of plasma-treated graphene without a subsequent decrease in doping level.

General Pharmacology of AS2-006A, A New Wound Healing Agent (창상치료후보물질 AS2-006A의 일반약리연구)

  • 정혜진;조민경;손문호;강건욱;최성희;김혜정;이애경;박형근;주상섭
    • Toxicological Research
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    • v.16 no.3
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    • pp.211-219
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    • 2000
  • The therapeutic effect of AS2-006A, a derivative of asiaticoside, has been studied and is being developed as a new wound-healing agent. In the present study, the general pharmacological effects on 1) central nervous system, 2) autonomic nervous system, 3) respiratory system, 4) gastrointestinal system. 5) cardiovascular system. and 6) urinary system were assessed in experimental animals and in in vitro models. 1. In vivo animal study: External applications of the 1 % gel ointment of AS2-006A to rats at the doses of 200. 600 or 2000 mg/kg body weight showed no observable pharmacological effects. The effects on the central nervous system were assessed by observation of behavior, hexobarbital-induced sleeping time, pentetrazole-induced convulsion assay, body temperature measurements, and observations on spontaneous activity and catalepsy. The gel ointment exhibited no effects on the cardiovascular system (i.e. blood pressure and heart rate), renal physiology (i.e. urine volume and electrolytes excretion) and gas-trointestinal physiology (i.e. intestinal charcoal propulsion and gastric mucosal irritation). 2. In vitro experiments: The effects of AS2-006A on the physiology of smooth and cardiac muscles were assessed. Muscle contractions were isotonically and isometrically measured in organ chambers using a physiograph. Cumulative additions of AS2-006A (10$^{-9}$ -10$^{-5}$ M) induced no changes in the tension of isolated guinea pig ileum and tracheal muscles. AS2-006A only slightly increased contractility of rat atrial and papillary muscles at 10$^{-2}$ M, which was not statistically different from control. These data showed that the gel ointment of AS2-006A could be externally applied as a wound-healing agent with no potential side effects.

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Bending Strength of Crack Healed $Si_3N_4/SiC$ Composite Ceramics by $SiO_2$ Colloidal

  • Park, Sung-Won;Kim, Mi-Kyung;Ahn, Seok-Hwan;Nam, Ki-Woo
    • Proceedings of the Korea Committee for Ocean Resources and Engineering Conference
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    • 2006.11a
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    • pp.166-168
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    • 2006
  • $Si_3N_4/SiC$ composite ceramics was sintered in order to investigate their bending strength behavior after crack healing. $Y_2O_$ and $TiO_2$ power was added as sintering additives to enhance it's sintering property. A three-point bending specimen was cut out from sintered plates. About $100\;{\mu}m$ semi-circular surface cracks were made on the center of the tension surface of the three-point bending specimen using Vickers indenter. After the crack-healing processing from $500^{\circ}C$ to $1300^{\circ}C$, for 1 h, in air, the bending strength behavior of these crack-healed specimen coated with $SiO_2$ colloidal were determined systematically at room temperature. $Si_3N_4/SiC$ ceramics using additive powder ($Y_2O_3+TiO_2$) was superior to that of additive powder $Y_2O_3$. The additive powder $TiO_2$ exerted influence at growth of $Si_3N_4$. The optimum crack healing conditions coated $SiO_2$ colloidal were $1000^{\circ}C$ at $Si_3N_4/SiC$ using additive powder ($Y_2O_3+TiO_2$), and $1300^{\circ}C$ at $Si_3N_4/SiC$ using additive powder $Y_2O_3$.

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A Development and Performance Assessment of On-Line Monitoring System for Optical Fiber Composite Underground Distribution Network using DTS (DTS를 활용한 광복합 지중 배전계통 실시간 감시시스템 개발 및 성능평가)

  • Cho, Jin-Tae;Kim, Ju-Yong;Lee, Hak-Ju;Cho, Hwi-Chang;Choi, Myeong-Ho
    • Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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    • v.25 no.6
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    • pp.115-121
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    • 2011
  • Intelligent distribution equipment is inevitable to realize self-healing which is one of smart grid functions in distribution network. Therefore, most of distribution equipment have been developed with self diagnostic sensors. However, it is not effective to construct on-line monitoring system for underground distribution cable because of high cost and low sensitivity. Recently, optical fiber composite cable is being considered for communication and power delivery in order to cope with increasing communication in distribution network. This paper presents the design and performance assessment results of underground cable on-line monitoring system using DTS(Distributed Temperature Sensing) and optical fiber composite underground cable.

A Stduy on the Self Healing Performance of Acrylate at Elevated Tmeperature (아크릴레이트의 온도별 자가 보수 성능에 관한 연구)

  • Yoon, Jun-No;Park, Wan-Goo;Choi, Su-Young;Kim, Dong-Bum;Kim, Byoung-Il;Oh, Sang-Keun
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2018.11a
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    • pp.175-176
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    • 2018
  • In this study, the performance of acrylate was evaluated by using acrylate composite waterproof sheet. Through this experiment, the waterproof sheet plays a primary role of waterproofing. When the water leakage occurs, the acrylate reacts with water and expands, and the performance of the self repairing of the damaged part is confirmed by temperature.

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Possible Factors Affecting Crack Development in Ginseng Roots (인삼뿌리의 균열발생에 관한 연구)

  • 김요태
    • Journal of Ginseng Research
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    • v.14 no.1
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    • pp.63-66
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    • 1990
  • The development of cracking in ginseng roots was studied to elucidate the factors affecting it in the field. The cracking of 6-year-old ginseng roots harvested in late October callld be induced in 2 days after soaking in water or in watersatllrated soil. However, it callld be slowed down by approximately 10 days when the roots were kept at a low temperature(5$^{\circ}C$). Roots excavated in late May did not develop cracking tinder the conditions tested. There was no significant difference between rice-straw shade and P.E. net shade in the rate of cracked ginseng roots. Which varied with ginseng varieties in relation to shade material. The rate of cracked roots was about 40% in 6-year plants, but it was extremely high (55.6%) in rusty roots. Healing of the wound formed by cracking was generally low but varied between harvest years.

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Safety pharmacology study of AS2-006A, a new wound healing drug

  • Kim, Hyun-Jin;Choi, Kyu-Gap;Yoon, Mi-Ran;Do, Sun-Hee;Kim, Eun-Joo;Cha, Kyung-Hoi
    • Proceedings of the PSK Conference
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    • 2002.10a
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    • pp.287.2-287.2
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    • 2002
  • The safety pharmacological core battery studies of AS2-006A. a newly developed wound healing drug, were investigated according to the ICH S7A guidelines in compliance with Good Laboratory Practice(GLP) Regulations, The doses given were 0, 100. 300 and 1000 mg/kg and drugs were administered subcutaneously. The animals used for this study were mice, rats and guinea pigs. AS2-006A showed no effects on the central nervous system such as motor activity. behaviotal changes. coordination, sensory/motor reflex responses and body temperature. no effects on blood pressure(BP). heart rate(HR), and ECG profiles and respiratory system. it was concluded that AS2-006A possess no general pharmacological effects at all doses tested. (omitted)

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Methods that can be Substituted for Earth Healing of Seedling by Using the Plastic Vinyl and their Micro-climatical Characteristics (프라스틱비닐제품(製品)을 이용(利用)한 가식대치방법(假植代置方法)과 미기상학적(微氣象學的) 특성(特性))

  • Ma, Sang Kyu;Lee, Jang Soo
    • Journal of Korean Society of Forest Science
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    • v.47 no.1
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    • pp.44-51
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    • 1980
  • In order to find out the suitable methods that can omit the earth healing and increase the survival through improving the seedling-healing and transportable methods. Several trials with plastic vinyl have been done and its results are as follows: 1. Though P. rigitaeda seedling have been stored in the black and white vinyl sack for 35 days in the storehouse. This seedling have survived with very high percentage as Table 1. This means that the earth healing work at the nursery or planting area can be omitted if seedling sould be stored in the storehouse by using the vinyl sack. The possibilities of long-period storage in the black and white vinyl sack seem to be come from the reasons that air humidity in the sack is nearly 100% and its air temperature is only around $15^{\circ}C$ with very little difference between day and night time. This sack also can be utilized in place of the planting sack, and though this sack with seedling have been laid under direct sunshine for 1 to 2 days. Any difference between the sack stored in the storehouse has not been observed on the survival specially Table 2. 2. When the bundled seedling have been covered with the black and white vinyl instead of earth healing, even if these seedling have been laid for 18 days under the vinyl. This seedling show us high survival as Table 3. High humidity with nearly 95%, very little difference of air temperature between day and night time under the vinyl and not so big difference between out-and inside temperature could be reasons of high survival to be considered. So through covering by the black and white vinyl. The labour power for earth healing works can be saved also. 3. In order to protect the healed seedling from the direct sunshine and the eva-transpiration. Black vinyl net and reed mat could be effective for this purpose. Because vinyl net could intercept around one to third, reed mat two to third of total solar energy and also suppress more than 50% of total water loss by the transpiration.

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