• 제목/요약/키워드: smokeless

검색결과 61건 처리시간 0.026초

유침 구멍이 구비된 전기뜸기의 구현 (Implementation of the Electric Cauterizer with the Hole for Acupuncture)

  • 조봉관;하운성
    • 대한한의진단학회지
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    • 제18권3호
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    • pp.217-223
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    • 2014
  • Objectives This study is on the implementation of the electric cauterizer with the hole for acupuncture to achieve the superposition effect of acupuncture-moxibustion therapies. Methods In this paper, we especially made a hole across the heat terminal of the electric cauterizer for acupuncture. Before the cauterization, the doctor treats a patient with needle. And after acupuncture, the heat terminal is to be superposed upon the needle along the hole to add the cauterization. Results There are 2 coupling methods that the heat terminal is to be superposed with the needle; one is the top-coupling and the other is side-coupling. The top-coupling means that the heat terminal is to be superposed upon the needle along the top of the needle, and side-coupling means that the heat terminal is to be superposed to the needle along the side of the needle. Conclusion This study was aimed to implement the electric cauterizer with the hole for acupuncture to achieve the superposition effect of acupuncture-moxibustion therapies. Not electric acupuncture but manual acupuncture is adopted. The electric cauterizer generates the heat $38{\sim}45^{\circ}C$. This heat is safe for skin not to burn. The electric cauterizer constitutes the smokeless moxa- pad which effects the skin DDS.

알루미늄 연속주조 용탕의 탈 가스 일체화 장치 개발 (An Implementation of an Integrated Degasing System for Aluminum Molten Metal in Continuous Casting)

  • 이용중
    • 한국공작기계학회논문집
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    • 제17권1호
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    • pp.1-6
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    • 2008
  • There are some methods that have been used to manage a degasing process in recent years, such as an injection method that uses aluminum molten metal powder and chemicals supplier and input method that supplies argon and nitrogen, or chlorine gas by using a gas blow-tube. However, these methods show some problems, and it shows that it is a difficult process to handle, pollution due to producing a lot of toxic gases like chlorine and fluoride gas, irregular effects, and lowering work efficiency due to the excessive processing time. The problems that are the most fatal are the producing a lot of sludge due to the reaction of aluminum molten metal with chemicals, loss of metals, and decreasing the life of refractory materials. In order to solve these problems, this paper develops a technology that is related to aluminum continuous casting molten metal and monolithic degasing apparatus. A degasing apparatus developed in this study improved the existing methods and prevented environmental pollution with smokeless, odorless, and harmlessness by using a new method that applies argon and nitrogen gas in which the methods used in the West and Japan are eliminated. The method developed in this study decreases the molten metal processing and settling time compared to the existing methods and improves the workers' health, safety, and environment because there is no pollution in processes.

Prevalence and Correlation of Oral Lesions among Tobacco Smokers, Tobacco Chewers, Areca Nut and Alcohol Users

  • Sujatha, D.;Hebbar, Pragati B.;Pai, Anuradha
    • Asian Pacific Journal of Cancer Prevention
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    • 제13권4호
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    • pp.1633-1637
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    • 2012
  • Introduction: The incidence of oral premalignant and malignant lesions is on the rise due to an increased number of people taking in tobacco and alcohol related habits. Material and Methods: 1028 patients with tobacco, alcohol and areca nut habits attending our Department of Oral Medicine and Radiology formed the study sample. An interviewer based questionnaire was used to record the habit details. All the patients were then examined clinically for the presence of lesions. Chi square and Fisher exact tests were used to assess the statistical significance of the study parameters. Results: Males had a higher prevalence and comprised 87.9% of the sample. The commonest habit in this study sample was smoking (39.2%) followed by smokeless tobacco use (28.1%). Out of the 1028 patients with habits 40% had no clinically detectable changes in their mucosa. Of the mucosal changes leukoplakia (14%) was the commonest. Conclusions: This study provided information about the habit trends in the patients visiting this institution. The study may serve as a useful tool in educating the patients about the deleterious effects of oral tobacco, alcohol and betel exposure.

Pattern of Tobacco Use and its Correlates among Older Adults in India

  • Mini, G.K.;Sarma, P.S.;Thankappan, K.R.
    • Asian Pacific Journal of Cancer Prevention
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    • 제15권15호
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    • pp.6195-6198
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    • 2014
  • Purpose: We examined tobacco use pattern and its correlates among older adults. Materials and Methods: We used data of 9,852 older adults (${\geq}60$ years) (men 47% mean age 68 years) collected by the United Nations Population Fund on Ageing from seven Indian states. Logistic regression analysis was used to assess the correlates of tobacco use. Results: Current use of any form of tobacco was reported by 27.8% (men 37.9%, women 18.8%); 9.2% reported only smoking tobacco, 16.9% smokeless tobacco only and 1.7% used both forms. Alcohol users (OR:5.20, 95% CI:4.06-6.66), men (OR:2.92, CI :2.71-3.47), those reporting lower income (OR:2.74, CI:2.16-3.46), rural residents (OR 1.34, CI 1.17-1.54) and lower castes (OR:1.29, CI:1.13-1.47) were more likely to use any form of tobacco compared to their counterparts. Conclusions: Tobacco cessation interventions are warranted in this population focusing on alcohol users, men, those from lower income, rural residents and those belonging to a lower caste.

담배 중 pH와 Nicotine 함량에 의한 Free nicotine 측정 (Calculation of Free Nicotine by Determination of pH and Nicotine in Tobacco)

  • 이정민;장기철;황건중;김용하;이문수
    • 한국연초학회지
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    • 제27권2호
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    • pp.219-225
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    • 2005
  • Characterizing nicotine delivery from tobacco products is important in the understanding of their addictive potential. Most previous studies report total nicotine and have not differentiated between nicotine in its protonated or free-base form. The amount of free nicotine calculated by determining pH and nicotine contents. The pH and nicotine contents in smokeless tobacco product, tobacco products and tobacco leaves were analyzed by Health Canada-Official Method T-310 and CORESTA Recommended Method $N^{\circ}62$. The content of free nicotine was calculated according to the Henderson-Hasselbalch equation and the value of $\alpha_{fb}$(the fraction of nicotine that is in the free base form) by using a pKa value of 8.02 for nicotine. The percentage of free nicotine then was calculated by dividing the free nicotine content by total nicotine content. The pH value and percentage of free nicotine ranged from 5.01 to 5.45 and $0.10\%\;to\;0.27\%$ in cut tobacco and 5.10 to 7.10 and $0.12\%\;to\;10.73\%$ in tobacco leaves, respectively.

협착성 심낭염 환자에서 하모닉 스칼펠을 이용한 심낭절제술 -1예 보고- (Pericardiectomy for Constrictive Pericarditis Using the Harmonic Scalpel -A case report-)

  • 이기복;김응중;신윤철;손정환;박종운;지현근
    • Journal of Chest Surgery
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    • 제36권8호
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    • pp.610-613
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    • 2003
  • 협착성 심낭염을 앓던 68세 남자 환자가 심낭절제술을 받았다. 심낭은 하모닉 스칼펠로 절제되었다. 하모닉 스칼펠은 에너지의 적은 전달과 조직으로의 전기 에너지 전달이 거의 없다는 점이 전지소작과는 다르다. 전기소작은 전류의 전달을 통하여 작동하기 때문에, 종종 정상적인 심장 리듬을 방해한다. 이는 전류의 전달이 없기 때문에, 수술 중 그리고 수술 후에 의미 있는 심박동의 이상이 감소됨을 확인할 수 있다. 이러한 새로운 도구는 근육 자극이 없고, 적은 열을 발산하며, 연기가 없어서 수술장 시야가 방해받지 않으며, 쉽게 지혈이 가능한 장점이 있다. 본 교실은 하모닉 스칼펠을 이용하여 심낭절제술을 시행한 환자를 경험하였기에, 간략한 문헌고찰과 함께 보고하는 바이다.

함산소 및 파라핀계 혼합 디젤유 액적의 연소특성에 관한 연구 (A Study on the Combustion Characteristics of Diesel Fuel Droplet with Additive Oxygenate and Paraffin)

  • 김봉석;궁본등
    • 한국자동차공학회논문집
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    • 제14권2호
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    • pp.49-56
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    • 2006
  • The single droplet combustion characteristics of multicomponent fuel such as diesel-oxygenate and diesel-paraffin blends under high ambient temperature and atmospheric pressure were investigated in the study. The results of the study may be concluded as follows : In the combustion of diesel fuel droplet with additive of oxygenate and paraffin, the dimensionless droplet size of $(D/D_o)^2$ was linearly decreased with time. A fuel droplet with low boiling temperature additives and in high boiling temperature diesel fuel evaporates and burns faster than usual diesel fuel. This rapid burning may result from so-called "micro-explosion" and its burning intensity varies with the types of additives. The results above may suggest that rapid evaporation of oxygenate additive in the middle stage of combustion can contribute much to combustion improvement of blended fuels. When compared to ordinary diesel fuel, neat oxygenate and paraffin fuels show blue flame during entire combustion which prove smokeless combustion.

화재안전성 향상을 고려한 도시철도 차량의 구조개선에 관한 연구 (A Study on the Improvement of Structure of Urban Transit Vehicle Considering Elevation of Fire Safety)

  • 김규중;이승용;이근오
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 2005년도 추계학술대회 논문집
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    • pp.15-20
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    • 2005
  • This is a comparative study where we compare simulation results with model examining the time and direction the fire spreads when it breaks out. Also there is vertical distribution of temperature in carriage where the fire spreads out. This study is about demonstrating how to establish smokeless system in urban vehicle, about its necessity, and about vehicle system restructuring, This study also makes an effort to find more advanced method for efficient fire safety in trains, In existing vehicles, in case of fire, the smoke can't go out when doors are closed and hence it spreads in whole train. Even though the method of using ventilation or exhaust established inside the carriage to throw smoke out is much better than the way of opening end doors in each carriage, this study is trying to do research on second way. Through simulation we see that in second case, even though not as good as the first one, smoke can exit through gates. Even though the first method is better, the second can also be uses to let fire out. We can know that in the first case as the smoke can exit out faster, it provides more safety for people. So this system provides better fire safety condition.

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Global School Personnel Survey Among 5200 School Personnel in India: Comparison of the Results for the Years 2009 and 2006

  • Gajalakshmi, V.;Kanimozhi, C.V.;Sinha, D.N.;Rahman, K.;Warren, C.W.;Asma, S.
    • Asian Pacific Journal of Cancer Prevention
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    • 제13권2호
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    • pp.539-543
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    • 2012
  • Background: The results of the Global School Personnel Survey (GSPS) conducted in India in 2009 are compared with 2006 GSPS to assess any change in 2009 on tobacco use and knowledge and attitudes to tobacco use, training and availability of tobacco control teaching material in schools and the existence of school tobacco control policies. Methods: GSPS is a cross sectional survey conducted twice (2006 and 2009) in entire India. A total of 180 schools were surveyed each time. Results: Of the participating school personnel, 2660 in 2006 and 2575 in 2009, about 95% were teachers and the balance administrators. In 2009, compared to 2006 the prevalence of current smoking of cigarettes (19.6% in 2006 and 10.3% in 2009) and bidis (21.5% in 2006 and 13.9% in 2009) was found to be significantly lower; the percentage of teachers receiving training on preventing youth tobacco use has significantly reduced (16.7% in 2006 and 10.1% in 2009); access of teachers to educational materials on tobacco use and how to prevent its use among youth had not increased (34.6% in 2006 and 37.8% in 2009); there was no change in policy prohibiting tobacco use among students and school personnel; however, ever use of any tobacco on school premises was significantly lower (15.6% in 2006 and 9.6% in 2009). Conclusions: The prevalence of current smoking (cigarettes/bidis) among school personnel and use of any tobacco on school premises were significantly decreased in 2009 as compared to 2006. Necessary action should be planned to increase the number of teachers trained and the availability of teaching materials on preventing youth tobacco use in order to have effective prevention of tobacco use among students.

Awareness and Knowledge of Oral Cancer among University Students in Malaysia

  • Dubai, Sami Abdo Radman Al;Ganasegeran, Kurubaran;Alabsi, Aied M.;Alshagga, Mustafa Ahmed;Ali, Riyadh Saif
    • Asian Pacific Journal of Cancer Prevention
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    • 제13권1호
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    • pp.165-168
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    • 2012
  • Objectives: This study aimed to assess the level of knowledge of oral cancer and its associated factors among university students in Malaysia. Methods: A cross sectional study was conducted among 200 university students in Malaysia. A self administered questionnaire was used to collect data. It included questions on sociodemographic data, awareness and knowledge of oral cancer. Results: Mean age of the respondents was $21.5{\pm}2.5$ and the age ranged from 18 to 27 years. The majority of the respondents were aware of oral cancer (92.0%) and recognized the followings as signs and symptoms of oral cancer: ulcer and oral bleeding (71.0%), followed by swelling (61.5%). A satisfactory knowledge was observed on the following risk factors; smoking (95.5%), poor oral hygiene (90.5%), family history (90.0%), alcohol (84.5%) and poor fitting dentures (83.0%). However, unsatisfactory knowledge was observed about hot/spicy food (46.5%), obesity (36.0%), old age (31.5%), dietary factor (29.0%) and smokeless tobacco (25.5%). Knowledge of oral cancer was associated significantly with age (p<0.01), year of study (p<0.01) and course of study (p<0.01). Conclusion: Instead of satisfactory awareness and knowledge of oral cancer and its clinical presentations, inadequate knowledge was observed about its risk factors. There is a need to introduce oral cancer education among university students.