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조정민,조성웅,김도형,양중석,백기태,Cho, Jung-Min,Jo, Sung-Ung,Kim, Do-Hyung,Yang, Jung-Seok,Baek, Ki-Tae 한국지하수토양환경학회 2011 지하수토양환경 Vol.16 No.5
The electrokinetic transport characteristics of salts were investigated using nitrate and sulfate accumulated saline greenhouse soil. Within 8 days, 95% of nitrate was removed from the soil, while sulfate removal was 19% for 8 days. The low removal of sulfate came from adsorption reaction on the soil particles or organic matter and precipitation with calcium. Divalent cations such as calcium and magnesium were transported toward cathode via electromigration, and most monovalent cation such as potassium was removed. The pattern of residual electrical conductivity was similar with that of sulfate. Based on the results, electrokinetic technique is effective to restore nitrate-accumulated saline soil, but is not effective to restore sulfate-accumulated soil.
동전기 정화기술을 이용한 Zn, Ni, F 복합오염 토양의 정화
조정민,류병곤,박성우,김경조,백기태,Cho, Jung-Min,Ryu, Byung-Gon,Park, Sung-Woo,Kim, Kyeong-Jo,Baek, Ki-Tae 한국지하수토양환경학회 2009 지하수토양환경 Vol.14 No.1
Zn, Ni 및 불소로 복합 오염된 토양의 정화를 위해서 동전기 정화(Electrokinetic remediation)기술을 적용하였다. 토양에서 탈착된 불소는 음이온 형태이고, Zn, Ni은 양이온으로 존재하기 때문에 간극수가 이동하는 전기삼투(electro-osmosis)와 이온이 이동하는 전기이동(electro-migration)의 두 가지 기작에 의해 제거되는 경향이 달랐다. 불소는 알칼리 조건에서 토양으로부터의 탈착이 증가하고, Zn과 Ni은 산성조건에서 탈착이 증가된다. 두 가지 탈착 특성이 다른 오염물질을 순차적 pH조절을 통해 효과적으로 제어할 수 있었다. 정전압 하에서의 영향을 평가하기 위하여 2V/cm를 적용하여으며, 2주간의 실험을 통해 Zn은 20.5%, Ni은 2.5%, 불소는 57.4% 제거되었다. Zn과 Ni의 제거율은 낮았으나 토양 ph조절을 통해 이동 가능함을 확인하였다. 토양 pH조절을 통하여 특성이 다른 복합오염물질을 동전기 정화 기술로 제거할 수 있을 것으로 사료된다. The feasibility of electrokinetic remediation was investigated in the laboratory to treat contaminated soil with Zn, Ni and F. Electro-migration and electro-osmosis are the major removal mechanisms because fluorines desorbed from soil exist as an anionic form in soil pores, and Zn and Ni exist as a cationic form. Desorption of fluorine was enhanced under the alkaline condition, but that of Zn and Ni increased under the acidic condition. Sequential pH control was effective to control the mixed wastes from contaminated soil. 2 V/cm was applied to reactor to evaluate the effect of constant voltage gradient, after two weeks, the removal efficiency of Zn, Ni and F was 20.5%, 2.5% and 57.4%, respectively. Even though the removal of Zn and Ni was very low, the pH control enhanced transport of Zn and Ni significantly. As a result, sequential pH control is a effective method to remediate mixed waste-contaminated soil.
분광학(分光學)적 방법(方法)에 의한 중유회(重油灰) 용출액(溶出液) 중(中)의 Ni 정량(定量)에 관(關)한 기초(基礎) 연구(硏究)
조정민,한혜철,Jo, Jung-Min,Han, Hyea-Chul 한국자원리싸이클링학회 2012 資源 리싸이클링 Vol.21 No.5
중유회로부터 증류수로 용출시킨 중유회 용출액에서 금속 중 $Ni^{2+}$이온의 정량을 분광광도법으로 측정하고자 하였다. 또 중유회용출액 중 다량 존재하는 $V^{3+}$이온이 $Ni^{2+}$이온의 분광광도법적 정량에 미치는 영향을 알아보기 위하여 $Ni^{2+}$이온 ppm 대비 $V^{3+}$이온의 함량을 달리한 시료의 흡광도를 조사한 결과 $V^{3+}$이온의 함량이 $Ni^{2+}$ 함량의 50% 이하인 조건에서는 시료 중 $Ni^{2+}$이온의 정량이 분광광도법으로 가능함을 확인하였다. We tried to measure the fixed quantity of $Ni^{2+}$ion among the metals which were eluted by distilled water from the Fly Ash Leach Liquor(FALL) with a spectrophotometric method. In addition, we researched absorbance values which had different contained quantity of $V^{3+}$ion in contrast with $Ni^{2+}$ion ppm to find out the influence of the $V^{3+}$ion existed in the FALL on the spectrophotometric fixed quantity of $Ni^{2+}$ion. As a result, when $V^{3+}$ ion has below 50% of amount of $Ni^{2+}$ion, the fixed quantity of $Ni^{2+}$ion among the FALL was able to be confirmed by spectrophotometry.
조정민 ( Jung Min Jo ),신미선 ( Mi Seon Shin ),김주희 ( Joo Hui Kim ),김민정 ( Min Jung Kim ),박현정 ( Hyun Jung Park ),나희경 ( Hee Kyung Na ),조경욱 ( Kyung Uk Jo ),김재중 ( Jae Joong Kim ),심태선 ( Tae Sun Shim ) 대한결핵 및 호흡기학회 2010 Tuberculosis and Respiratory Diseases Vol.69 No.3
Nontuberculous mycobacterial (NTM) diseases are increasing worldwide. However NTM lung disease in organ transplant recipients has been rarely reported. Here, we report 2 cases of NTM lung disease in heart transplant recipients. A 37-year-old man, who had undergone a heart transplant one year previous, was admitted to hospital due to a cough. Chest CT scan showed multiple centrilobular nodules in both lower lungs. In his sputum, M. abscessus was repeatedly identified by rpoB gene analysis. The patient improved after treatment with clarithromycin, imipenem, and amikacin. An additional patient, a 53-year-old woman who had undergone a heart transplant 4 years prior and who suffered from bronchiectasis, was admitted because of purulent sputum. The patient`s chest CT scan revealed aggravated bronchiectasis; M. intracellulare was isolated repeatedly in her sputum. Treatment was successfully completed with clarithromycin, ethambutol, and ciprofloxacin. NTM lung disease should be considered as a potential opportunistic infection in organ transplant recipients.
A Study on the Syntax and Semantics of Noun Phrases with Numeral Classifiers in Korean
조정민 ( Jung Min Jo ) 21세기영어영문학회 2010 영어영문학21 Vol.23 No.4
This paper examines the syntax and semantics of noun phrases with numeral quantifiers in Korean. Pointing out the syntactic properties of these noun phrases, I propose their syntactic structure and provide some syntactic motivation for the proposed structure. Also I examine the semantic properties of these noun phrases while pointing out their semantic ambiguities, i.e. cardinal vs. partitive reading of the numeral quantifier. Raising some problems of Y-S Jung (1997)`s analysis, I propose the analysis on the basis of Diesing (1992). Depending on the position of the noun phrases at the LF, they can have different interpretations. Noun phrases and CIPs adjoined to the MP (mood phrase) are mapped to the restrictive clause (R)and the operator (Q), respectively, in the tripartite logical representation. Consequently this gives rise to the presupposition of the existence of the entity denoted by the noun and the partitive reading of the numeral classifier. On the other hand, if the noun phrase with the CIP remains VP internally at the LF, the numeral classifier functions as a cardinality predicate, along with no presupposition of the entity denoted by the noun.
자기누설탐상 비파괴 검사에서 배관두께 증가에 따른 속도기전력에 의한 신호왜곡 분석
조정민(Jung Min Jo),허창근(Chang Geun Heo),김영채(Youngchae Kim),남효승(Hyo Seung Nam),박관수(Gwan Soo Park) 대한전기학회 2021 대한전기학회 학술대회 논문집 Vol.2021 No.11
자기누설탐상 비파괴 검사에서 자기누설탐상 비파괴 검사 장치는 검사 시에는 배관을 따라 이동하게 된다. 검사 장치가 이동함에 따라 검사장치가 배관에 인가하는 자기장의 반대 방향의 와전류가 생성되며 이로 인해 결함탐지를 위한 누설자속 신호가 왜곡되게 된다. 이러한 신호왜곡은 배관의 두께에 따라 달라질 수 있으며, 배관두께에 따라 결함감지를 위한 신호의 왜곡 패턴이 달라지기 때문에 분석이 필요하다. 따라서 본 논문에서는 유한요소 해석을 통하여 배관두께 증가에 따른 속도기전력에 의한 신호왜곡에 대해서 분석하였다.
Some Notes on Predicative Copular Constructions in Predicate Contrastive Topic
조정민 ( Jung Min Jo ) 21세기영어영문학회 2013 영어영문학21 Vol.26 No.4
This paper re-examines Jo (2013)`s phrasal movement approach to predicate contrastive topic constructions in Korean and applies his analysis to predicative copular constructions with regard to forming predicate contrastive topic. Jo (2013) proposed a unified analysis of two kinds of predicate contrastive topic constructions, so-called Ha- and R-constructions, and claimed that the two constructions arise as a result of morphophonological variation at the PF/Morphological component via selective PF-deletion process in the lower copy of the moved constituent. By extending his analysis to predicative copular constructions, this paper strongly confirms the validity of his analysis and claim. The analysis of the affix ‘-ki` as a rescue affix along with the dummy verb ‘-ha` is further supported by its morphological distribution in predicative copular constructions. Also the phrasal movement approach to predicative copular constructions makes it viable to assume that the copula is a syntactic head selecting a Small Clause.
성인 알코올사용장애 환자에서 주의력결핍 과잉행동 증상 유무에 따른 임상적 및 신경심리학적 특성
조정민(Jung Min Jo),이동준(Dong Jun Lee),정경희(Kyung Hi Jung),오송인(Song In Oh),안동현(Dong Hyun Ahn) 대한소아청소년정신의학회 2014 소아청소년정신의학 Vol.25 No.4
Objectives:Alcohol use disorder (AUD) is often comorbid with adult attention-deficit hyperactivity disorder (ADHD) and other psychiatric illnesses. When associated with other mental problems, the prognosis of the AUD can be more serious. This study shows research on the clinical and neuropsychological characteristics according to whether or not ADHD symptoms and AUD were comorbid. Methods:A total of 64 adult inpatients who completed AUD scales about adult ADHD, alcohol dependence, depression, anxiety, and impulsiveness. They also completed neuropsychological tests about attention and executive function. According to the Adult ADHD Self-Report Scale score, patients were categorized into two groups (ADHD symptom positive/negative group). Results:Fourteen among the 64 subjects were part of the ADHD symptom positive group (21.9%). They had statistically significant shorter abstinence periods and a higher rate of history of ‘rule violation during school’ and ‘physical damage in childhood’ compared to the ADHD symptom negative group. Conclusion:The comorbidity rate with ADHD symptom in adult AUD is higher than the general population. The ADHD symptom positive group suffered from more severe and refractory AUD. Considering the more frequent history of rule violation during school in the ADHD symptom positive group, the association between ADHD and AUD may be mediated by conduct disorder. Therefore we suggest the necessity of careful evaluation and intervention in children and adolescents with ADHD and conduct disorder.