• 사회복지연구
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• 제47권4호
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• pp.121-150
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• 2016

본 연구는 도박에 중독되고 회복되는 과정에서 주체의 감각이 어떻게 달라지는지를 확인하기 위해 수행되었다. 연구의 목적 달성을 위해 단도박자 10인과 일대일 심층면담을 실시했다. 면담을 통해 수집된 자료는 Giorgi(1970; 1985)가 제안한 현상학 방법으로 분석했다. 분석 과정에서 드러난 여러 의미단위(meaning unit)를 18개의 '드러난 주제'로 재구성했으며, 드러난 주제들 간의 관련성을 검토하여 총 6개의 '본질적 주제'로 통합했다. 주요한 연구결과는 다음과 같다. 첫째, 연구 참여자들은 도박중독 과정에서 시각, 청각과 같은 특정 감각에만 모든 정신을 집중시킴으로써 다른 감각들을 상실해갔다. 둘째, 참여자들은 회복 과정에서 '금단의 고통'을 겪었지만 이를 통해 잃어버린 감각을 회복해 갔다. 셋째, 참여자들의 체험에 관한 주제들을 일관적 진술로 통합한 결과 참여자들에게 있어서 회복은 일종의 '도박으로 잃어버린 감각 회복 과정'이었다. 연구자들은 연구결과를 바탕으로 '감각에 대한 정보 제공', '자극과 관련된 프로그램 개발', '감각회복훈련 적용'과 같은 실천적 대안들을 제시했다.

• KSBB Journal
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• 제21권1호
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• pp.1-10
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• 2006

식물세포배양으로부터 항암제 paclitaxel의 생산을 위해 회수 및 정제는 산업적 공정에 있어서 필수적이다. 본 총설은 식물세포배양으로부터 고순도, 고수율의 paclitaxel 생산을 위한 대량 회수 및 정제 방법을 기술하고자 한다. 또한 이러한 분리 및 정제 공정은 추출, 전 처리, 정제, 제품화 단계를 총괄하여 최종 제품의 요구조건들 즉, 순도, 잔류용매, 제품형태, 불순물 함량, 엔도톡신 함량 등을 충족시킬 수 있도록 최적화되어야 한다. 이러한 관점에서 본 총설은 산업화 단계에서의 의약품 생산 및 품질관리에 상당히 유용하게 활용될 수 있을 것으로 판단된다.

• 대한원격탐사학회지
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• 제20권1호
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• pp.13-21
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• 2004

The usefulness of the multi-temporal satellite image to monitoring the vegetation recovery process after forest fire was tested. Using multi-temporal Landsat TM and ETM＋data, NDVI and NBR changes over times were analyzed. Both NDVI and NBR values were rapidly decreased after the fire and gradually increased for all forest type and damage class. However, NBR curve showed much clearer tendency of vegetation recovery than NDVI. Both indices yielded the lowest values in severely damaged red pine forest. The results show the vegetation recovery process after forest fire can detect and monitor using multi-temporal Landsat image. NBR was proved to be useful to examine the recovering and development process of the vegetation after fire. In the not damaged forest, however the NDVI shows more potential capability to discriminate the forest types than NBR..

• 한국환경농학회지
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• 제41권3호
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• pp.206-216
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• 2022

BACKGROUND: Dithiocarbamate fungicide propineb can be analyzed quantitatively by derivatization reaction followed by HPLC/UVD, which has high reproducibility and stability. However, the presence of high protein in soybeans and peas affects the derivatization process resulting in extremely low recoveries. Therefore, this study was conducted to improve the analytical method for analysis of propineb in soybeans and peas by applying a deproteinization process using chloroform-gel method. METHODS AND RESULTS: The deproteinization process was carried out up to 6 times for soybeans and 5 times for peas using 50 mL chloroform. After 4 times of deproteinization process followed by a derivatization reaction with methyl iodide, the recovery yields of propineb in both pulses were >90%. However, the recovery yield tended to decrease when the deproteinization process was performed more than 5 times. The method limit of quantification (LOQ) was 0.04 mg/L. The recovery conducted in triplicate at 10 times and 50 times of the LOQ ranged from 87.2 to 95.0 % with a coefficient of variation <10%. CONCLUSION(S): This study confirmed that 4 times of deproteinization process using the chloroform-gel method was effective when derivatizing and analyzing dithiocarbamate fungicides in pulses with high protein content. However, depending on the initial protein content present in the pulses, there was a difference in the recovery: the lower the protein content, the higher the recovery rate of propineb. It is expected that the method proposed in this study could be applied to remove high content of protein as analytical interference substance from agricultural samples.

• 한국분말재료학회지
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• 제23권5호
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• pp.372-378
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• 2016

This study focuses on the development of an alkaline leaching hydrometallurgy process for the recovery of tungsten from WC/Co hardmetal sludge, and an examination of the effect of the process parameters on tungsten recovery. The alkaline leaching hydrometallurgy process has four stages, i.e., oxidation of the sludge, leaching of tungsten by NaOH, refinement of the leaching solution, and precipitation of tungsten. The WC/Co hardmetal sludge oxide consists of $WO_3$ and $CoWO_4$. The leaching of tungsten is most affected by the leaching temperature, followed by the NaOH concentration and the leaching time. About 99% of tungsten in the WC/Co hardmetal sludge is leached at temperatures above $90^{\circ}C$ and a NaOH concentration above 15%. For refinement of the leaching solution, pH control of the solution using HCl is more effective than the addition of $Na_2S{\cdot}9H_2O$. The tungsten is precipitated as high-purity $H_2WO_4{\cdot}H_2O$ by pH control using HCl. With decreasing pH of the solution, the tungsten recovery rate increases and then decrease. About 93% of tungsten in the WC/Co hardmetal sludge is recovered by the alkaline leaching hydrometallurgy process.

• Journal of Microbiology and Biotechnology
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• 제12권4호
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• pp.535-543
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• 2002

Although the generic implementation of aqueous two-phase systems (ATPS) processes for the recovery of biological products has been exploited for several years, this has not resulted in a wide adoption of the technique. The main reasons involve the poor understanding of the mechanism governing phase formation and the behavior of solute partitioning in ATPS processes, the cost of phase forming polymers, and the necessary extended time to optimize the technique. In this review paper, some of the practical disadvantages attributed to ATPS are addressed. The practical approach exploited to design ATPS processes, the application to achieve process integration, the extended use for the recovery of high-value products, and the recent development of new low-cost ATPS, are discussed. It is proposed that the trend of the practical application of ATPS processes for the recovery of biological products will involve the purification of new high-value bioparticulate products with medical applications. Such a trend will give new impetus to the technique, and will draw attention from industries needing to develop new, and improve existing, commercial processes.

• Journal of Plant Biology
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• 제38권1호
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• pp.1-10
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• 1995

Photoinhibition and its recovery of spectrally adapted Anacystis nidulans were studied. Phycocyanin and Chl content and phycocyanin/Chl ratio were increased in cells grown under blue-green light compared with those grown in white light. Photosynthetic activities of white light and blue-green light grown cells were reduced by 50% after 15 min and 10 min of photoinhibitory light treatment (1.2 mmol·m-2s-1), respectively, largely due to the decline of PSII activities. However, their activities were recovered fully after 30 min incubation under weak light. Treatment of rifampicin and chloramphenicol magnified the photoinhibitory effects and suppressed the recovery with disappearance of susceptibility to photoinhibition and delayed the recovery process, indicating no significant differences in phosphorylation, dephosphorylation and protease activity between two cells. Therefore, it is suggested that the increased sensitivity of blue-green adapted cells might be attributed to the decline of protein synthesis, and phosphorylation-dephosphorylation of protein and protease activity might be involved in the recovery process.

• 대한간호학회지
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• 제26권1호
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• pp.107-126
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• 1996

The Purpose of this study was to build a substantive theory about the experience of postpartum depression. The qualitative research method used was rounded theory. The interviewees were eight others who had experienced postpartum depression. The data were collected through in-depth interviews with audiotape recording done by the investigator over a period of twelve months. he data were analyzed simultaneously by a constant comparative method in which new data were continuously coded into categories and properties according to Strauss and Corbin's methodology. Analysis the grounded data resulted in 28 concepts being identified. Eight categories emerged from the analysis. The categories were regret, loss of freedom, isolation of oneself, heartache, loss, emotional upset, avoidance, recovery. These substantive categories are consistent with precious research results. Causal conditions included : regret, loss of freedom. Phenomena : heartache, loss, emotional upset. Context : isolation oneself. Intervention condition : avoidance. Action/interaction strategies : desire for recovery. Consequences : recovery. These categories were synthesized into the core concept-The process of filling the empty loss of self. The process of the experienced postpartum depression was ① change after delivery, ② searching for a reason for depression, ③ effort to recover from postpartum depression, ④ recovery from postpartum depression and return to previous life. The process of recovery from postpartum depression was proceeded by ① support from others, especially husband, ② resolution of stressful life events, ③ reconstructing of life goals and resolution strategies, ④ acceptance of depression and seeking psychiatric treatment. Seven hypotheses were derived from the analysis. ① Mothers who experienced stressful life event and economic problem are more depressive. ② Mothers who have conflict with parents are more depressive. ③ The more somatic symptoms, the more depression. ④ Social support facilitates recovery from postpartum depression. ⑤ Mothers who have lower self-esteem are more depressive. ⑥ Mother's role overload disturbs recovery from postpartum depression. ⑦ Ideal maternal identity facilitates recovery from postpartum depression. Through this substantive theory, nurses can understand the importance of postpartum depression management.

• 경영과정보연구
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• 제33권1호
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• pp.17-43
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• 2014

현재까지 진행되어 온 서비스 실패 및 회복 관련 선행연구들의 한계는 서비스 실패 후 회복노력에 대한 고객의 행동이 인지적 판단과 감정적 판단이 함께 작용하여 이루어짐에도 불구하고 공정성과 진정성으로 두 측면을 분리하여 연구하였다는 점이다. 대부분의 선행연구들은 회복만족의 선행요인으로 인지적 측면에서의 공정성만을 제시하고 있다. 비교적 최근에는 감정적 접근을 통한 진정성의 효과가 검증된 바 있다. 그러나 실제상황에서의 서비스 회복 과정에서는 소비자가 지각하는 공정성과 진정성이 함께 작용하는 경우가 대부분이기에, 관련 연구의 이해의 폭을 넓히고, 실무에 적용하기 위해서는 추가적인 연구결과가 필요하다고 판단하였다. 따라서 본 연구에서는 기존연구의 한계점을 고려하여 서비스 회복상황에서 지각된 공정성과 진정성의 역할을 함께 살펴보았다. 이를 통해 인지적 측면의 공정성과 더불어 감정적 측면의 진정성이 내포된 서비스 회복노력의 중요성을 고찰할 수 있는 계기를 마련하였다. 본 연구의 결과를 통해 인지적 판단에 근거한 회복공정성만이 중요한 것이 아니라 서비스 실패 후 회복에서 감정적 측면인 진정성의 조절효과를 살펴봄으로써 진정성이 내포된 회복노력의 중요성을 확인할 수 있었다.

• 경영과정보연구
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• 제33권3호
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• pp.105-128
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• 2014

본 연구는 서비스 실패 상황에서 고객의 역할(관계의 질, 고객참여)이 회복공정성 지각에 따른 긍정적 감정, 회복과정에서의 접점만족, 회복만족에 어떤 영향력을 제공하면서 조절역할을 하는지 살펴보는 것이다. 기존의 서비스 실패와 회복에 대한 연구가 서비스 기업의 관점에서 제시되어 왔던 연구의 한계에서 벗어나 '고객의 역할(관계의 질, 고객참여)'이 서비스 실패와 회복에 이르는 과정에서 어떤 영향력을 제공하는지, 그리고 서비스 기업에게 어떤 완충역할을 할 수 있는지를 다차원적으로 살펴봄으로써 이론적, 실무적으로 의미있는 결과를 도출할 수 있을 것으로 판단된다.