• Title/Summary/Keyword: Shortening Effect

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EFFECT OF CIGARETTE PAPER POROSITY ON THE VENTILATION OF CIGARETTES (궐련지 기공도가 담배연기 희석에 미치는 영향)

  • 이영택;이근회;양광규;이정일;이규서;안동명
    • Journal of the Korean Society of Tobacco Science
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    • v.7 no.2
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    • pp.179-188
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    • 1985
  • From the combination of cigarette papers, tipping papers and plug wrapping papers, whose physical properties and effect of cigarette smoke dilution were studied. The result obtained from this study are as follows. Envelop ventilation (Env-V'R) cigarettes used high porous cigarette papers showed less changes of unencapsulated pressure drop VPD) compared to tip ventilation (Tip-VR) cigarettes. Higher cigarette paper porosity increased, more decreased the WD of cigarette by Tip-VR. With cigarette length shortening, the UPD or VR changed a little in Tip-VR cigarette, while changed very much in Env-VR cigarettes. The ratio of nicotine/tar was higher in Env-VB cigarettes than in Tip-VR cigarettes, and CO/nicotine value of the former was lower than those of the later. The effect of Tip-VR cigarettes on the delivery reduction of tar and nicotine was more effective compared to Env-VR cigarettes and the reduction prefer Env-VR cigarettes to Tip-VR cigarettes in CO delivery. From the results investigated above it was noted that each defect appeared in the Tip-VR and the Env-VR cigarettes could be complemented by the combination of them.

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Anticoagulant Activity of Gleditsiae Spina Extract (조각자(皂角刺)추출물의 항응혈 활성)

  • Yoo, Ji-Hyun;Jung, Bung-Tea;Kil, Gi-Jung
    • The Korea Journal of Herbology
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    • v.25 no.1
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    • pp.39-43
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    • 2010
  • Objectives : This research was investigated the anticoagulant effect of the Gleditsiae spina extract. Methods : We researched prothrombin time (PT) assay, activated partial thromboplastin time (APTT) assay in vitro and in vivo using arteriovenous (A-V) shunt rat model and shortening Rat tail bleeding time (BT). A-V shunt and BT were treated with extract of Gleditsiae spina (GS) 400 mg/kg for a week. Results : Bleeding time of Gleditsiae spina extract in vivo had a significant increase as about 1.2 times and thrombus weight of Gleditsiae spina extract had a significant reduction of thrombus weight as 26%. Gleditsiae spina extract represented an effect of anticoagulation by operating on extrinsic pathway factor II, V, VII, X and intrinsic pathway factor VIII, IX, X, XI, XII in the coagulation system. Conclusions : Considering the above mentioned results, it is judged that a Gleditsiae Spina extract has a control effect of thrombus creation.

Causal Relationship Between Working Capital Policies and Working Capital Indicators on Firm Performance: Evidence from Thailand

  • WICHITSATHIAN, Sareeya
    • The Journal of Asian Finance, Economics and Business
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    • v.9 no.5
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    • pp.465-474
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    • 2022
  • Using structural equation modeling, the study aims to investigate the causal relationship between working capital policies and working capital indicators on firm performance, including profitability and market value (SEM). The samples of 381 firms were selected from various industries listed on the Stock Exchange of Thailand (SET) from 2016 to 2020. The results showed that 1) there is an effect of working capital policies on profitability and market value; 2) there is an effect of working capital indicators on profitability and market value and 3) there is the effect of profitability on market value. From the results, it is suggested that conservative working capital investment policy (CIP) and conservative working capital financing policy (CFP) affect a company's performance in the Thailand context. In addition, shortening the cash conversion cycle (CCC) should be applied in management to increase profitability by reducing the receivables collection period (RCP) and inventory conversion period (ICP) while increasing the payables deferral period (PDP). The practical implications of the study provide the evidence that meeting the dues according to short CCC management can represent healthy liquidity in cash flow that helps gain investor confidence and the investment interest that further increases the market value.

Study on the Shortening Effect of the Egress Travel Time Based on an Escape Scenarios by Using Shuttle Elevators for Lotte Tall Building's Evacuation Plan (초고층건물 피난계획시 피난용 엘리베이터 이용에 의한 피난소요시간의 단축효과 연구)

  • Park, Hyung-Joo;Lee, Young-Jae
    • Fire Science and Engineering
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    • v.32 no.6
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    • pp.46-54
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    • 2018
  • A total of 19 elevators for evacuation were installed in the Lotte World Tower and it is planned to operate the shuttle using the manual key from five refuge floors to the 1st floor in an emergency. In the event of a fire or other disaster, it is necessary to conduct intensive analysis to determine how much RSET reduction could be achieved using the evacuation elevator compared to the existing evacuation plans. When the optimal transportation sharing ratio by the evacuation elevators was 40% at the Lotte World Tower, the RSET of the evacuation scenario in parallel with the elevators in the entire building was calculated to be 1 hour and 2 minutes. The RSET of a conventional evacuation scenario (Walking along the stairs without using the elevators) was calculated to be 1 hour 29 minutes, therefore, the former evacuation scenario were found to have a shortening effect of approximately 27 minutes compared to the latter. On the other hand, to maintain this effect, each part of the evacuation route using the elevator must have the capability to protect the evacuee from any hazards caused by fires, such as smoke, flame, and radiant heat during the evacuation. Moreover, the evacuation route should be continuous from the residence position of the elevator user to the final evacuation site, and be recognized easily.

Lodging Related Traits of Rice Plants as Affected by ′KIM -112′ Application (KIM-112 처리가 벼 도복관련형질에 미치는 영향)

  • Choi, Chung-Don;Kim, Soon-Chul;Lee, Soo-Kwan
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.35 no.3
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    • pp.218-223
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    • 1990
  • This experiment was carried out to obtain basic information on the lodging characteristics and yield components of rice plants by new anti-lodging reagent 'KIM-112' (3%, Wp) application at 30 days before heading (DBH) to 5 DBH under two dosage levels (lg 2g, a. i. /10a) at the Yeongnam Crop Experiment Station in 1989. Culm length was shortened by 10-17% at 1g, a. i. /10a and by 16-23% at 2g of KIM -112 applications. The shortening effect of internode was different by dosages and application times: 2g treatment was greater effect than 19 and early application resulted in shortening of lower internode while this was upper internode at the late application. There were positive correlation between culm length and lodging index, the 1st and the 4th internode lengths had on important effect to lodging index. Thickness of culm wall, culm diameter and weight of basal part of culm were not affected by KIM-112 application. However anti-lodging characters improved by increasing the breaking weight and by decreasing the moment. Lodging index was related to breaking weight, moment and weight of panicle. Heading date by KIM-112 application was delayed one to four days and number of grains per panicle was decreased by shortened panicle length as compared with untreated control, but yield capacity was high a little because of improvement ripening ratio by no lodging.

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Effect of Hold-Relax Technique for College Students with Hamstring Shortening (슬괵근 단축이 있는 대학생에 대한 유지-이완 기법의 효과)

  • Oh, Yeong-Taek
    • Journal of the Korean Society of Physical Medicine
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    • v.8 no.3
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    • pp.433-441
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    • 2013
  • PURPOSE: The purpose of this study was to determine the effectiveness of three PNF stretching techniques for improving hamstring flexibility and to compare the effectiveness of three PNF stretching techniques(direct and indirect and mix(direct&indirect) of hold-relax technique). METHODS: The subjects were randomly assigned into three groups: group1-direct-hold-relax technique(n=10); group2-indirect-hold-relax technique(n=8); group3-mix(direct&indirect)-hold-relax technique(n=10). For each group, stretch was performed three times a week for a period of three weeks. Hamstring flexibility for each group was measured using the ASLR and PSLR. RESULTS: The results showed significant improvement in hamstring flexibility for all subjects of three groups. However, were not significantly different between the three groups. CONCLUSION: In conclusion, three PNF stretching techniques are confirmed to be useful for improving hamstring flexibility. The choice for a qualified technique has to be made individually according to patient and therapist.

Stress Analysis of Semi-Rigid Steel Frame (부분 고정 강골조의 응력해석)

  • 안성기;김순철;이수곤
    • Proceedings of the Computational Structural Engineering Institute Conference
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    • 2000.04b
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    • pp.35-42
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    • 2000
  • Among the various models proposed for the description of semi-rigid connection behavior, Kinney's fixity facto. (=f) definition is adopted. If one follows this definition, f=1.0 signifies a completely fixed connection and f=0.0, the frictionless hinge. Kim's new slope-deflection equations based on the Kinney's fixity factors are the principal idea of this paper. Proposed finite element program also includes the effect of axial shortening of column, which is neglected in the stress analysis of frame leg conventional slope-deflection method. For the economic design, especially for the saving of beam weight in the high-rise office buildings or apartment houses, the proposed method can be applied.

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Lesser Metatarsal Osteotomies for Metatarsalgia (중족골통에서의 소족지 중족 절골술)

  • Lee, Seung-Yeol;Chung, Jin-Wha
    • Journal of Korean Foot and Ankle Society
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    • v.21 no.3
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    • pp.83-87
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    • 2017
  • Metatarsalgia means the pain under the lesser metatarsal heads. The many causes of metatarsalgia can be categorized into three groups: local disease in the region, altered forefoot biomechanics, and systemic disease affecting the region. Surgical options need to be considered if nonsurgical treatment fails. The metatarsal osteotomies are designed primarily to reduce the weightbearing forces on the metatarsal head by elevating or shortening the metatarsal. Many lesser metatarsal osteotomies have been described, and their success depends on many factors. Regardless of the method employed, it is important to maintain or restore the metatarsal cascade to maintain an even pressure under the lesser metatarsal heads and prevent transfer lesions. The surgeon must understand the effects of the metatarsal osteotomy on the forefoot patho-biomechanics and decide, using a combination of clinical examinations and imaging, whether the desired effect of the osteotomy is to shorten or elevate the metatarsal head or both.

Study of Strain/Counterstrain Technique (좌상/역좌상기법에 대한 고찰)

  • Song, Yun-Kyung;Lim, Hyung-Ho;Park, Sung-Ho
    • The Journal of Korea CHUNA Manual Medicine
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    • v.4 no.1
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    • pp.99-109
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    • 2003
  • Dr. Lawrence H Jones developed innovative approach for the treatment of neuromuscular and musculo-skeletal disorders such as fibromyalgia, myofacial pain syndrome, any other muscle pain. This technique is called Strain/Counterstrain technique which uses effect of neuromuscular reflex for treatment of strain. First, Relieving spinal or other joint pain by passively putting the joint into its position of greatest comfort; secondly relieving pain by reduction and arrest of the continuing inappropriate proprioceptor activity. This was accomplished by markedly shortening the muscle that contains the malfunctioning muscle spindle by applying. mild strain to its antagonists. In other words, the inappropriate strain reflex is inhibited by application of counterstrain. Many other techniques have been developed for treating of muscle pain due to somatic dysfunction, but we want to introduce you to strain/counterstrain technique because this is basic concept and theory of Chum therapy for controling motor system.

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Extending Shelf-life of Rice Cake Using Coating Agent Containing Soy Protein Isolate (찹쌀떡의 보존기간 연장을 위한 대두단백질 코팅제의 특성)

  • 박상규;조지미;이유석;이종욱
    • Food Science and Preservation
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    • v.8 no.2
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    • pp.181-186
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    • 2001
  • The objective of this study is to determine the effect of soy protein isolate (SPI) film coating on the color, firmness, viscosity and weight loss of Rice Cake stored at 15, 20 and $25^{\circ}C$ (RH 50%) for 30 days. Raw materials mixed with SPI and cocoa powder (10:0, 7:3, 5:5, 3:7, w/w) were prepared. After adding sugar and shortening to raw materials, the mixture were refined to 25 micron of particle size. Coating of Rice Cake were carried out at $65^{\circ}C$. SPI coated Rice Cake had higher internal and external firmness comparing to the control at $25^{\circ}C$. SPI coated Rice Cake showed smooth surface morphology and had 0.71-1.01 mm of thickness. SPI coated Rice Cake showed less weight loss for 30 days compared to controls. SPI coating solution was successfully coated on Rice Cake and extended shelf-life over 15 days at room temperature.

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