• 한국물환경학회지
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• 제20권5호
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• pp.432-436
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• 2004

The principle and methodology of risk assessment was applied to establish the quality standard of potential impurities of drinking water treatment chemicals. The impurities(arsenic, lead, cadmium, chromium, mercury, etc.) are regulated as the contained quantity of chemicals in Korea while they are regulated as the quality standard with the idea of 10% of the national safety drinking water standard in U.S.A(NSF) and Japan(JWWA). According to risk assessment of the current standard implemented in Korea, the excess cancer risk of arsenic and lead were determined in around $10^{-5}$ and the hazard quotient(HQ) of cadmium and chromium were below $10^{-2}$, respectively. And the standard concentration of the impurities are regulated as much as 2%~6% of the national drinking water quality standard. The values are more enforced rather than the standards in U.S.A(NSF) and Japan(JWWA) regulating the concentration of impurities the 10% of the national drinking water quality standard. We conclude that the impurities standard of drinking water treatment chemicals should be reconsidered comprehensively concerning the national safety drinking water quality standard and risk assessment.

• 한국수학교육학회지시리즈C:초등수학교육
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• 제9권2호
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• pp.119-134
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• 2005

The goals of this study is to analyze develop the materials which help students develop spatial sense in elementary school and to investigate its effects. To accomplish those goals, the 7th National Curriculum was analyzed to identify the contents of spatial sense. After analyzing the 7th National Curriculum, the principle for developing the teaching aids focusing the realization of the contents in the spatial sense was set up. And then various teaching materials which can enhance students' spatial sense was developed. It is consist of 17 kinds of concretely operating materials, 7 kinds of tangram papers, one web-material. To verify the effect of the materials, surveyed the usability of the materials and two classes was selected and tests were administered before and after the treatment. Through this application, several conclusion were drawn. First, a survey result says that teachers thought materials developed would be effective in developing spatial sense. Second, the materials developed were effective to develop spatial sense. The score gained by the experiment group after the treatment was statistically meaningfully higher than the control group. This means that the materials developed helped children to develop spatial sense.

• 한국중재학회지:중재연구
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• 제19권1호
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• pp.121-145
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• 2009

South Korea has investment agreements such as FTAs, BITs with several countries. Up to now, no single case has been registered against the Korean government on breach of investment agreements, but it is likely that the number of such cases would increase. Therefore, an investor-state dispute settlement system, an arbitral procedure by which a foreign investor may seek compensation of damage against the host country, is gaining its importance. The provision of the ISDS has been one of the hottest issues in Korea while the Kor-US FTA was being signed. In this respect, with the growing number of regional agreements such as BITs and FTAs, a careful scrutiny on the ISDS is necessary for Korea. I have therefore studied theoretically subjects including the National Treatment(NT), the Most-Favored Nation(MFN), Fair and Equitable Treatment and Expropriation - those that have been the objects of protection on investors. And I have analyzed ICSID arbitral awards and provided implications. In the ICSID arbitral awards, the Fair and Equitable Treatment turned out to be the most recognized violation on investors by the host State in terms of investor protection. On the other hand, Indirect Expropriation - a matter of which public anxiety was shown led by civic groups - was not generally recognized in arbitral awards. This study is written for sake of governments, local autonomous entities and public enterprises that are in charge of FTAs and BITs.

• 한국의학물리학회지:의학물리
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• 제31권3호
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• pp.63-70
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• 2020

Stereotactic radiosurgery is one of the most sophisticated forms of modern advanced radiation therapy. Unlike conventional fractionated radiotherapy, stereotactic radiosurgery uses a high dose of radiation with steep gradient precisely delivered to target lesions. Lars Leksell presented the principle of radiosurgery in 1951. Gamma Knife^® (GK) is the first radiosurgery device used in clinics, and the first patient was treated in the winter of 1967. The first GK unit had 179 cobalt 60 sources distributed on a hemispherical surface. A patient could move only in a single direction. Treatment planning was performed manually and took more than a day. The latest model, Gamma Knife^® Icon^TM, shares the same principle but has many new dazzling characteristics. In this article, first, a brief history of radiosurgery was described. Then, the physical properties of modern radiosurgery machines and physicists' endeavors to assure the quality of radiosurgery were described. Intrinsic characteristics of modern radiosurgery devices such as small fields, steep dose distribution producing sharp penumbra, and multi-directionality of the beam were reviewed together with the techniques to assess the accuracy of these devices. The reference conditions and principles of GK dosimetry given in the most recent international standard protocol, International Atomic Energy Agency TRS 483, were shortly reviewed, and several points needing careful revisions were highlighted. Understanding the principles and physics of radiosurgery will be helpful for modern medical physicists.

• 의료법학
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• 제16권2호
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• pp.131-157
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• 2015

국민건강보험공단은 의사가 요양급여기준을 위반하여 처방을 함으로써 국민건강보험공단이 약국에 약제비를 지급하게 된 것은 의사가 국민건강보험공단에 대해 민사상 불법행위를 한 것이라고 주장하며 손해배상청구를 하였다. 대법원이 이를 인정하는 판결이 잇따르자, 국민건강보험공단은 의사들이 의료법을 위반하여 진료를 하여 약국에 지급하게 된 약제비나 해당 의료기관에 지급하게 된 요양급여비용에 대해서도 모두 국민건강보험공단에 대한 민법상 불법행위라고 주장하며 손해배상을 청구하였으며, 대법원은 이를 모두 인정하였다. 그러나 우리나라 국민건강보험제도에서 보험급여의 주체는 국민건강보험공단이며, 환자가 의료기관에 진료를 요청하여 의료기관이 행하는 요양급여 역시 보험급여이므로 이러한 요양급여를 행하는 주체 역시 국민건강보험공단이다. 그리고 국민건강보험법은 의사의 의료법위반행위를 규제하기 위해 만든 법이 아니므로 의사의 의료법 위반행위를 국민건강보험공단에 대한 민법상 불법행위책임에서의 위법성으로 포섭할 수 없다. 그렇다면 환자가 보건복지부장관으로부터 부여 받은 면허를 가진 의사에 의해 요양급여기준에 맞는 진료를 받은 경우에는 국민건강보험공단은 민법상 환자에게 요양급여를 해 줄 의무를 면하는 이득을 얻었으므로 설사 해당 의사가 진료를 하는 과정에 의료법을 위반한 행위를 하였더라도 국민건강보험공단으로서는 손해가 없다. 대법원이 의료법위반으로 진료를 한 행위를 모두 국민건강보험공단에 대한 민법상 불법행위책임으로 인정하는 것은 국민건강보험공단이 보험급여의 주체로서 보험급여를 해 줄 의무를 면하였다는 이득은 고려하지 않고, 오로지 의사에게 요양급여비용을 지급하였다는 측면만을 고려한 것으로서 민법 제750조의 법리에 어긋난다. 의사가 의료법을 위반하였다면 의료법에 따라 제재를 받을 일이지, 국민건강보험법으로 규율할 일이 아니며, 대법원이 위와 같이 판결한 것은 국민건강보험법의 법리와 민법의 법리를 혼동한 탓으로 생각된다.

• 대한한의학원전학회지
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• 제29권3호
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• pp.57-74
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• 2016

Subject : Treatment of acupuncture & moxibustion in Huangdineijing Objectives : Discover the principles and substances of acupuncture & moxibustion treatment of Huangdineijing Methods : The author reviewed the Huangdineijing: Suwen, Lingshu to gain a realistic sense of the facts and the medical book's contents that deal with the practices of acupuncture & moxibustion treatment for clinical praxis. Conclusions : 1. The acupuncture & moxibustion of Huangdineijing can be defined as follows. A treatment for correcting of meridian's drift by proper selection of surgical site, using suitable implementation and appropriate manipulation skill from a correct judgement of meridian's flowing through sensing the pulse for diagnosis when the meridian's flowing which come and go constantly driven by the tidal order of defensive Qi tactually appeared hard or soft caused by diseases, thus bring out the soft & gradual 50 laps circulation of nutrient Qi moderately driven by defensive Qi. 2. Today's acupuncture & moxibustion treatments greatly differ from those of Huangdineijing in that we do not know the substance of that treatment which is correcting of meridian's drift and do not obligatorily carry out feeling of the pulse for diagnosis which is a measure & judgement of meridian's flowing against a preliminary treatment in parallel with treatment so reduce use and power of that treatment. 3. I could form a list of general principle from the substances of acupuncture & moxibustion of Huangdineijing like as the flowing or fate of meridian Qi(tidally going in order of defensive Qi and nutrient Qi), deficiency or excess of Meridian flowing, comparing diagnosis before and after treatment, bring out the soft & gradual Qi. That was imposing "the concept of time" on recognition and treatment to human body.

• 한국항공운항학회지
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• 제15권1호
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• pp.38-53
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• 2007

In a seminal judgment of November 2002 (Case C-476/98) relating to the compatibility with Community laws of the 'nationality clause' in the 1996 amending protocol to the 1955 U.S.-German Air Services Agreement, the European Court of Justice(ECJ) decided that the provision constituted a measure of an intrinsically discriminatory nature and was thus contrary to the principle of national treatment established under Art. 52 of the EC Treaty. The Court, rejecting bluntly the German government' submissions relying on public policy grounds(Art. 56, EC Treaty), seemed content to declare and rule that the protocol provision requiring a contracting state party to ensure substantial ownership and effective control by its nationals of its designated airlines had violated the requirement of national treatment reserved for other Community Members under the salient Treaty provision. The German counterclaims against the Commission, although tantalizing not only from the perusal of the judgment but from the perspective of international air law, were nonetheless invariably correct and to the point. For such a clause has been justified to defend the 'fundamental interests of society from a serious threat' that may result from granting operating licenses or necessary technical authorizations to an airline company of a third country. Indeed, the nationality clause has been inserted in most of the liberal bilaterals to allow the parties to enforce their own national laws and regulations governing aviation safety and security. Such a clause is not targeted as a device for discriminating against the nationals of any third State. It simply acts as the minimum legal safeguards against aviation risk empowering a party to take legal control of the designated airlines. Unfortunately, the German call for the review of such a foremost objective and rationale underlying the nationality clause landed on the deaf ears of the Court which appeared quite happy not to take stock of the potential implications and consequences in its absence and of the legality under international law of the 'national treatment' requirement of Community laws. Again, while US law limits foreign shareholders to 24.9% of its airlines, the European Community limits non-EC ownership to 49%, precluding any ownership and effective control by foreign nationals of EC airlines, let alone any foreign takeover and merger. Given this, it appears inconsistent and unreasonable for the EC to demand, $vis-{\grave{a}}-vis$ a non-EC third State, national treatment for all of its Member States. The ECJ's decision was also wrongly premised on the precedence of Community laws over international law, and in particular, international air law. It simply is another form of asserting and enforcing de facto extraterritorial application of Community laws to a non-EC third country. Again, the ruling runs counter to an established rule of international law that a treaty does not, as a matter of principle, create either obligations or rights for a third State. Aside from the legal problems, the 'national treatment' may not be economically justified either, in light of the free-rider problem and resulting externalities or inefficiency. On the strength of international law and economics, therefore, airlines of Community Members other than the designated German and U.S. air carriers are neither eligible for traffic rights, nor entitled to operate between or 'free-ride' on the U.S. and German points. All in all and in all fairness, the European Court's ruling was nothing short of an outright condemnation of established rules and principles of international law and international air law. Nor is the national treatment requirement justified by the economic logic of deregulation or liberalization of aviation markets. Nor has the requirement much to do with fair competition and increased efficiency.

• Journal of Dairy Science and Biotechnology
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• 제35권2호
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• pp.121-133
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• 2017

A small amount of milk is sold as 'untreated' or raw in the US; the two most commonly used heat-treatments for milk sold in retail markets are pasteurization (LTLT, low-temperature long time; HTST, high-temperature short time) and sterilization (UHT, ultra-high temperature). These treatments extend the shelf life of milk. The main purpose of heat treatment is to reduce pathogenic and perishable microbial populations, inactivate enzymes, and minimize chemical reactions and physical changes. Milk UHT processing combined with aseptic packaging has been introduced to produce shelf-stable products with less chemical damage than sterile milk in containers. Two basic principles of UHT treatment distinguish this method from in-container sterilization. First, for the same germicidal effect, HTST treatments (as in UHT) use less chemicals than cold-long treatment (as in in-container sterilization). This is because Q10, the relative change in the reaction rate with a temperature change of $10^{\circ}C$, is lower than the chemical change during bacterial killing. Based on Q10 values of 3 and 10, the chemical change at $145^{\circ}C$ for the same germicidal effect is only 2.7% at $115^{\circ}C$. The second principle is that the need to inactivate thermophilic bacterial spores (Bacillus cereus and Clostridium perfringens, etc.) determines the minimum time and temperature, while determining the maximum time and temperature at which undesirable chemical changes such as undesirable flavors, color changes, and vitamin breakdown should be minimized.

• 셀메드
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• 제4권3호
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• pp.19.1-19.6
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• 2014

The most important reason mentioned for the early discontinuation of breast feeding and introduction of supplementary bottles is Perceived Insufficient Milk (PIM), which is relatively common in women. This is of public health concern because the use of breast milk substitutes increases the risk of morbidity and mortality among infants in developing countries and shortens birth intervals. Thus, a literary search in classical text for aetiopathogenesis, symptoms and treatment of PIM were appraised to implement in contemporary era. The classical Unani texts viz., Al Qanon fit Tib (Canon of Medicine), Al Hawi (Continens Liber), Zakheera Kharzam Shahi, Tarjuma Kamilus Sana, Tibbe Akbar, Akseer Azam, and Kitabul Kulliyat were reviewed. Further certain galactogogue herbs which are in use since antiquity such as fenugreek, cotton seeds, cumin, asparagus, black cumin etc were explored in different search engines on website for proven galactogogue activity. The causes of PIM are abnormal temperament of body or breast, anaemia, anxiety, depression, malnutrition etc. The principle treatment is treating the cause viz., the temperament is corrected by diet and drugs in abnormal temperament, elimination of humour is required in dominance of humour etc. The aforementioned drugs are proven scientifically for their galactogogue activity. The classical texts are having valuable information regarding PIM, which can be implemented in present era. Aforementioned Unani drugs are proven scientifically for with their galactogogue effect, however, clinical trials are scarce. Therefore, further randomized controlled clinical trials are recommended.

• 환경정책연구
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• 제2권1호
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• pp.51-75
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• 2003

The objective of this study is to analyze the problems of disposal and collection, including administrative management of agricultural PE waste and suggest effective management measurements. Information regarding problems of agricultural PE waste management were collected from field survey of farmers, regional governments and officials. On the national level, the low ratio of collection for optimal treatment of agricultural PE waste is a critical problem. , the negative discharging behavior of farmers, an illegal incineration and landfill of farmers and a lack of education and extension etc. An ambiguity of the management principle to agricultural PE waste, the differences in management among the regional governments, a lack of will of the regional governments and officials to realize SARD and lack of education and extension etc. are some of the problems in administrative management of agricultural PE waste collection. The major suggestions of this study are as follows : (1) to strengthen education and extension, (2) to adopt an improved economic incentive system and strong, lawful regulation simultaneously, (3) to use temporang collection and permanent collection site, and (4) to organize "OTC(Optimal Treatment Conference)" composed of farmers, regional cooperative, PE producers etc. for operating an effective management system.