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압출성형 공정변수가 압출성형 비지의 이화학적 특성에 미치는 영향
정상현,권경태,류기형 한국산업식품공학회 2018 산업 식품공학 Vol.22 No.1
This study aims to investigate the physicochemical properties of extruded Biji. As the extrusion process variables, the barrel temperature and the moisture content were adjusted at barrel temperatures of 120, 140, and 160°C and 35, 45% respectively. L-value (lightness) increased as the moisture content and barrel temperature increased from 35% to 45% and 120°C to 160°C. In contrast, decreasing a-value and b-value resulted in increasing moisture content and barrel temperature. Total sugar, DPPH (1,1-diphenyl-2-picrylhydrazyl) radical-scavenging activity, ABTS (2,2'- azino-bis-(3-ethylbenzothiazoline-6-sulfonic acid)) radical scavenging activity, and total phenolic compound were increased by the extrusion process. The water solubility index (WSI) and dietary fiber of the extruded biji decreased to 3.9% and 592.6 mg/g compared to the non-extruded biji of 12.3% and 592.6 mg/g. According to the result of this study, the extruded biji could be used in various kinds of food processing, and future study is needed to find the optimum condition of the extrusion.
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정상현,박석일 민사법의 이론과 실무학회 2020 民事法理論과 實務 Vol.23 No.2
전용물소권에 관한 우리민법의 근거 역시 간접적으로 발견할 수 있다. 민법 제747조 제2항이 규정하고 있는 악의의 무상취득자에 대한 최초 손실자의 부당이득반환청구권은 그 입법취지와 관계없이 계약의 당사자가 아닌 제3자 사이에 인정되는 것으로 전형적인 전용물소권의 모습이 투영된다. 부합 등 첨부를 통하여 소유권을 잃은 자가 소유권 취득자를 상대로 부당이득반환을 청구할 수 있는 민법 제261조에서 부합된 물건의 소유자가 제3자인 경우에도 마찬가지이다. 이와 같은 규정이 없더라도 전용물소권은 부당이득반환청구권의 본질을 가지므로 민법 제741조가 충분한 근거로서 작용할 수 있다고 생각한다. 나아가 대법원이 전용물소권을 부정한 2002년 판결 이후에도 이를 인정하는 다수의 판결을 내보이고 있는 것도 부정할 수 없다. Although one party to the contract fulfills its obligation to pay, the performance may result in a benefit to a third person who is not the other party to the contract. At that time, there is the right of the contracting party who has not received the payment, to claim the return of unjust enrichment against the third person. This is the right to claim the return of benefits transferred to others and it was called “actio de in rem verso” in Roman law. Sons or slaves whose rights were not recognized could enter into contracts and the head of household or the owner to take the profit transferred through that contract. At this time, the other party was entitled to claim the performance in accordance contract against the head of household or owner. Later, son's capacity for rights was recognized and slavery became meaningless. In the era of common law, the relative effect of contracts began to be recognized as a general principle of civil law. Then, the “actio de in rem verso” were no longer dealt with under contract, but in terms of claims for unjust enrichment and return. Currently in Germany, France, Japan, and Korea, this is also discussed as part of the claim for the return of unjust enrichment. Our Supreme Court completely denied the “actio de in rem verso” in 2002. This is because it is contrary to the basic principle of contract law. The loser passes the risk of the contract to the beneficiary. This makes the loser superior to the general creditors of the intermediary. This violates the right of defense that the beneficiary can assert against the intermediary. The Supreme Court has denied the “actio de in rem verso” on this ground. However, as we have seen earlier, “actio de in rem verso” only have the nature of the right to claim unjust enrichment and return since common law. It is no longer a contractual right. The recognition of this right shall then depend on whether it has met the requirements for establishing the right to claim for unjust enrichment. Nevertheless, it is questionable that our theories and precedents to deny “actio de in rem verso” because this right is not in accordance with the principles of contract law. I think it is necessary to review “actio de in rem verso” positively if considering the theoretical aspect of the law in order to solve the legal relationship in Korean civil law. Article 747 (2) of the Korean Civil Code provides that the first loser has the right to claim for unjust enrichment against the beneficiary who knows that there is no legal cause and acquires a benefit of a free from intermediary. Regardless of their legislative intent, this provision represents a typical “actio de in rem verso” between persons who are not parties to a contract. Furthermore, it cannot be denied that the Supreme Court has issued a number of positive rulings on “actio de in rem verso” after the 2002 ruling which denies.
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정상현 성균관대학교 법학연구원 2007 성균관법학 Vol.19 No.3
Eine Untersuchung ber die Anerkennung desAnspruch auf das stellvertretende Surrogat
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비등온 이상유동에서 원통벽면으로의 미소입자 부착에 관한 연구
정상현,김용진,김상수 대한기계학회 1987 대한기계학회논문집 Vol.11 No.5
본 연구에서는 유동장과 입자의 부착율과의 관계에 대해 고찰하기 위하여 부 착되는 고체 벽면의 형상을 원통형으로 하여 비등온 유동에서 열확산에 의한 미소입자 의 원주방향으로의 부착율을 측정하고, 원통 내부의 냉각장치를 이용하여 벽면과 고온 가스와의 온도 차이를 크게하여(약 400∼700˚K), 높은 온도구배 영역에서의 열확산 효과에 대해 실험적인 연구를 확장시킴으로써 폭넓은 온도구배 영역에서의 열확산 이 론의 타당성을 검토한다. 그리고 이러한 실험결과들은, 원통주위의 미소입자 전달에 관한 종래의 Levich 등의 해와 입자의 미소한 관성의 영향을 동시에 고려한 Fernandez de la Mora 등의 점근적인(asymptotic)이론과 비교될 것이다. The inclusion of thermophoresis in particle deposition studies has often been treated separately from deposition due to flow characteristics. Also previously reported experimental results on thermophoresis have been studied in the regions of relatively small temperature gradients. In this study, using real-time laser light reflectivity method, we measured the angular dependence of the deposition rates of particles of the cylindrical collector surface, which immerged in laminar flow of a hot gas suspension of small particles. And we extended the previous narrowband results of thermophoretic deposition rates to the regions of large temperature gradients between the hot gas stream and the collector surface. Based on the obtained data, the cylinder's forward stagnation-point region is considerably enriched in particle 'phase' density owing to the compressibility effect, which leads to locally enhanced deposition while the downstream region from the stagnation point inertial force acts in the opposite direction, which tends to centrifuge particles away from the wall, thus the local deposition rates by thermophoresis are reduced.
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