• Title/Summary/Keyword: beneficial use

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Assessing Impacts of Water Rights Corresponding to Simulation Periods (모의 기간에 따른 수리권 영향성 평가)

  • Kim, Tae Jin;Kim, Jae Ha;Lim, Ji Seop
    • Proceedings of the Korea Water Resources Association Conference
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    • 2022.05a
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    • pp.377-377
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    • 2022
  • 수리권은 물을 소유할 수 있는 권리가 아닌 지속적이고 배타적으로 물을 사용할 수 있는 권리를 의미한다. 국내 수리권은 공유하천용수권, 관행수리권, 허가수리권, 댐사용권 및 농어촌용수 수리권으로 구분되어 있다. 미국의 경우 연안주의 수리권 (Riparian Rights), 유용한 사용의 원칙 (Beneficial Use Doctorin)에 근거한 우선전용 수리권 (Prior Appropriation Rights)으로 구분되어 있으며 물 분쟁이 발생할 경우 동등배분원칙에 따라 해결방안을 제시하고 있다. 일본 수리권의 경우 댐 건설할 경우 건설 주체 및 비용 분담이 명확하게 규정되어 있어 별도의 수리권 규정 절차가 없으며 농업용수에 대한 관행수리권 또는 기득수리권이 존재할뿐 그 외의 생활용수 등에 대한 수리권은 존재하지 않는다. 이렇듯 본 연구에서 검토된 국내외 수리권 법률 및 해결 방안에 대한 비교 및 검토 결과는 향후 국내의 수리권 법률 규정에 기초 자료로 활용 될 수 있을 것이다.

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Attentional modulation on multiple acoustic cues in phonological processing of L2 sounds

  • Hyunjung Lee;Eun Jong Kong
    • Phonetics and Speech Sciences
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    • v.15 no.4
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    • pp.11-16
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    • 2023
  • The present study examines how a cognitive attention affects Korean learners of English (L2) in perceiving the English stop voicing distinction (/d/-/t/). This study tested the effect of attentional distractor on primary and non-primary acoustic cues, focusing on the role of Voice Onset Time (VOT) and fundamental frequency (F0). Using the dual-task paradigm, 28 Korean adult learners of English participated in the stop identification task carried with (distractor) and without (no-distractor) arithmetic calculation. Results showed that when distracted, Korean learners' sensitivity to VOT decreased as priorly reported with native English speakers. Furthermore, as F0 is a primary cue for a L1 Korean stop laryngeal contrast, its role in L2 English voicing distinction was also affected by a distractor, without compensating for the reduced VOT sensitivity. These findings suggest that flexible use of multiple cues in L1 is not necessarily beneficial for L2 phonological processing when coping with a adverse listening condition.

Voltammetry of Constant Phase Elements: Analyzing Scan Rate Effects

  • Hyeonsu Je;Kwok-Fan Chow;Byoung-Yong Chang
    • Journal of Electrochemical Science and Technology
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    • v.15 no.3
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    • pp.427-435
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    • 2024
  • Here we introduce a new method for characterizing the constant phase element (CPE) in electrochemical systems using cyclic voltammetry (CV), presenting an alternative to the conventional electrochemical impedance spectroscopy (EIS) approach. While CV is recognized for its diagnostic capabilities in electrochemical analysis, it traditionally encounters difficulties in accurately measuring CPE systems due to a lack of clear linearity with scan rates, unlike capacitors. Our research demonstrates a linear relationship between current and scan rate on a log-log plot, enabling the calculation of n and Y0 values for CPE from the slopes of these linear relationships. For validation of our method, it is applied to two kinds of capacitors and the results agree with those measured by EIS. Although EIS is known to be accurate in measuring CPE systems, our alternative approach offers a timely and reasonably precise diagnostic tool, balancing between ease of use and accuracy, especially beneficial for preliminary assessments before conducting further in-depth analysis.

Effective and appropriate use of weight loss medication in pediatric obesity: a narrative review

  • Yoojin Lindsey Chung
    • Journal of Yeungnam Medical Science
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    • v.41 no.3
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    • pp.158-165
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    • 2024
  • Over the past few decades, there has been a notable increase in the incidence of pediatric obesity, which is a significant public health concern. Children who are obese have a greater risk of type 2 diabetes, hypertension, dyslipidemia, polycystic ovary syndrome, obstructive sleep apnea, and adult obesity. Lifestyle modification therapy is typically the initial approach to treat pediatric obesity. For patients who do not achieve success with lifestyle modification therapy alone, pharmacotherapy is the next logical treatment option. When selecting an anti-obesity medication (AOM), it is essential to first ascertain the medical background of the patient, including current medications and obesity-associated comorbidities. Evaluation of obesity phenotypes in patients may also be beneficial. AOMs for pediatric obesity include metformin, orlistat, glucagon-like peptide 1 agonists, phentermine, and the phentermine/topiramate combination. Sufficient lifestyle modification therapy should be administered before considering pharmacotherapy and continued after the initiation of AOM. To ensure healthy development, monitoring growth and puberty development during anti-obesity treatments is essential.

Reconsidering the Semantic Properties of the Get-Passive Construction

  • Eunsuk Lee
    • International Journal of Advanced Culture Technology
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    • v.12 no.3
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    • pp.47-51
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    • 2024
  • We aim to re-examine the semantic properties of the get-passive construction in English, distinguishing it from the more commonly discussed be-passive. Through a detailed analysis of a variety of examples and linguistic contexts, we explore how the get-passive uniquely conveys dynamic, agentive meanings that often implicate the subject in the event's outcome. This construction is particularly prevalent in informal and colloquial speech, where it is frequently employed to depict both adversity and beneficial situations. Our study also reveals that the get-passive has been gaining traction in contemporary English, reflecting broader linguistic trends that favor more expressive and nuanced forms of communication. We argue that understanding these semantic nuances is essential for English learners, as it allows them to navigate the subtle differences between passive constructions more effectively. By mastering the use of the get-passive, learners can enhance their communicative competence, particularly in contexts where speaker stance and subject involvement are key.

Effects of Charcoal Powder on the Growth and Development of Red Pepper and the Changes of Soil Microflora (목탄분말 시용이 고추의 생육 및 토양미생물상 변화에 미치는 영향)

  • 김승환;이상민;이윤정;김한명;송석용;송범헌
    • Korean Journal of Organic Agriculture
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    • v.11 no.3
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    • pp.55-64
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    • 2003
  • It was investigated the possibility to use charcoal powder as beneficial soil conditioner, which used frequently in environmentally friendly agricultural farming system. For this purpose, the effects of charcoal powder on the growth of red pepper and chemical and microbiological properties of soil were also determined. The application of charcoal powder resulted in no significant differences of pH and EC in the soil compared to those of control. However, small particle size of charcoal powder increased yield of red pepper while large charcoal powder resulted in decrease of root growth of red pepper. Furthermore, the application of charcoal powder resulted in changes of soil microflora relating to plant growth stage. The number of the nitrogen fixing bacteria and fungi increased at the early growth stage, while phosphate releasing fungi in the soil increased at the late stage of growth by charcoal powder application. These beneficial effect of charcoal powder on the soil microbial properties was larger by the use of smaller particle size of charcoal powder. Therefore, it indicated that the small size of charcoal powder might be more influential on the red pepper yield and soil microbial properties may be due to large capacity of nutrients uptake for the plant and microorganisms. Additionally the optimal application amount of charcoal powder for the red pepper could be suggested as much as 300kg 10a$^{-1}$ for the both purposes of improvement of crop yield and retardation of the nutrients accumulation by excess charcoal application.

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The Use of Oyster Shell Powders for Water Quality Improvement of Lakes by Algal Blooms Removal

  • Huh, Jae-Hoon;Choi, Young-Hoon;Lee, Hyun-Jae;Choi, Woo Jeong;Ramakrishna, Chilakala;Lee, Hyoung-Woo;Lee, Shin-Haeng;Ahn, Ji-Whan
    • Journal of the Korean Ceramic Society
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    • v.53 no.1
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    • pp.1-6
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    • 2016
  • In this year, Koreans have a shortage in agricultural and drinking water due to severe algal blooms generated in major lakes. Waste oyster shells were obtained from temporary storage near the workplace at which oysters were separated from their shells. Heating ($1000^{\circ}C$ for 1 h in air) was employed to convert raw oyster shell powders into calcium oxide powders that reacted efficiently with phosphorus and nitrogen to remove algal blooms from eutrophicated wastewater. As the dispersed amount of heated oyster shell powders was increased, water clarity and visual light penetration were improved. Coagulation, precipitation and carbonation process of the heated oyster shell powders in a water purifier facilitated removal of eutrophication nutrient such as phosphorus and nitrogen, which is both beneficial and economically viable. $CO_2$ implantation by carbonation treatment not only produced thermodynamically stable CaO in oyster shells to derive precipitated calcium carbonate (PCC) but also accelerated algal removal by activation of coagulation and precipitation process. The use of oyster shell powders led to a mean reduction of 97% in total phosphate (T-P), a mean reduction of 91% in total nitrogen (T-N) and a maximum reduction of 51% in chemical oxygen demand (COD), compared with the total pollutant load of raw algal solution. Remarkable water quality improvement of algal removal by heated oyster shell powders and PCC carbonation treatment will allow utilization as water resources to agricultural or industrial use.

Usage and perceptions of phosphodiesterase type 5 inhibitors among the male partners of infertile couples

  • Song, Seung-Hun;Kim, Dong Suk;Shim, Sung Han;Lim, Jung Jin;Yang, Seung Choul
    • Clinical and Experimental Reproductive Medicine
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    • v.43 no.1
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    • pp.26-30
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    • 2016
  • Objective: We aimed to investigate the prevalence of erectile dysfunction (ED) and the usage of phosphodiesterase type 5 (PDE5) inhibitors for ED treatment in infertile couples. Methods: A total of 260 male partners in couples reporting infertility lasting at least 1 year were included in this study. In addition to an evaluation of infertility, all participants completed the International Index of Erectile Function (IIEF)-5 questionnaire to evaluate their sexual function. The participants were asked about their use of PDE5 inhibitors while trying to conceive during their partner's ovulatory period and about their concerns regarding the risks of PDE5 inhibitor use to any eventual pregnancy and/or the fetus. Results: Based on the IIEF-5 questionnaire, 41.5% of the participants (108/260) were classified as having mild ED (an IIEF-5 score of 17-21), while 10.4% of the participants (27/260) had greater than mild ED (an IIEF-5 score of 16 or less). The majority (74.2%, 193/260) of male partners of infertile couples had a negative perception of the safety of using a PDE5 inhibitor while trying to conceive. Only 11.1% of men (15/135) with ED in infertile couples had used a PDE5 inhibitor when attempting conception. Conclusion: ED was found to be common in the male partners of infertile couples, but the use of PDE5 inhibitors among these men was found to be very low. The majority of male partners were concerned about the risks of using PDE5 inhibitors when attempting to conceive. Appropriate counseling about this topic and treatment when necessary would likely be beneficial to infertile couples in which the male partner has ED.

A Framework Integrating Problem Frames and Goal Modeling to Support Variability Analysis during Requirements Elicitation (요구사항 수집 단계에서 가변성 분석을 위한 문제 프레임 및 목표 모델 통합 프레임워크)

  • Singh, Meetushi;Lee, Seok-Won
    • Journal of KIISE
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    • v.44 no.3
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    • pp.261-274
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    • 2017
  • Variability management is the foremost criterion that defines the extent to which complexities can be handled in a system. Predominantly, the requirements' engineering (RE) study overlooks, or speculates a consistent behavior of, the environment in which a system functions. In real-time systems it is vital to observe and adjust to an intrinsically changing context. Therefore, in this work we identify the requirements of the system in various contexts by recommending a framework using i* goal model, problem frames, use case maps and live sequence charts. The framework is illustrated using a case study of the smart grid RTP system. In the case study, elaboration of scenarios using use case maps and live sequence charts proved beneficial as they assisted in early analysis and validation of contexts. In addition, the elaboration of requirements for obstacle and conflict analysis assists the requirements engineer to increase the robustness of the system. The proposed framework is evaluated theoretically and by empirical study.

Impact of IT Education on Organizational Performance in the Agricultural Sector (정보화 교육이 농업 경영 조직에 미치는 영향)

  • You, Jihye;Moon, Junghoon;Rhee, Cheul;Lee, Jongtae
    • Management & Information Systems Review
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    • v.35 no.3
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    • pp.273-287
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    • 2016
  • This study aimed to clarify the effect of information technology (IT) education on the efficiency and effectiveness of working processes among agriculture corporations. Survey data on information levels from 222 agriculture corporations were collected from the Korean Agency of Education, Promotion, and Information Service in Food, Agriculture, Forestry, and Fisheries (EPIS) for a governmental white paper. Structural equation modeling was used for analysis. This study found that IT education increases the ratio of the use of information systems in working processes, especially given the use of data accumulated through information and communications technologies (ICT). The findings of this study suggest that the use of ICT data as an aspect of IT education is beneficial for the agricultural sector.

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