CERAMIC-BASED NANOCOMPOSITES FOR FUNCTIONAL APPLICATIONS

BALÁZS FÉNYI,ORSOLYA KOSZOR,CSABA BALÁZSI 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2008 NANO Vol.3 No.5

Silicon-nitride-based composites with 3 wt% of multi-wall and single-wall carbon nanotubes and graphene have been prepared. A manufacturing process has been worked out to avoid the damage of nanotubes and graphene during sintering. This method provides their preservation even in severe circumstances at temperature 1700°C and gas pressure 2 MPa. In this work, the conductivity according to the type and concentration of the carbon additives was observed by applying four-point DC resistance measurements. Insulator and conductor composites can be produced depending on the type of additives.

Notes on the species of Naarda Walker, 1866 (Lepidoptera: Erebidae, Hypeninae) from mainland China, with the description of a new species and establishment of a new synonymy

Balázs Tóth 한국응용곤충학회 2019 Journal of Asia-Pacific Entomology Vol.22 No.2

The species Naarda postpallida de Joannis, 1929 is reported for the first time from mainland China. Naarda pectinata Sugi, 1982 is synonymised with N. postpallida on the basis of material from Vietnam. This species can immediately be recognised by its dark grey forewing, white hindwing and several genital characters. The female genitalia of N. postpallida, together with those of N. lingualis Tóth and Ronkay, 2015 are presented for the first time. Naarda macrostigma sp. n. is described. The hitherto known nine Chinese Naarda species are listed. With nineteen figures.

Revision of the Palaearctic and Oriental species of Naarda Walker (Lepidoptera: Erebidae, Hypeninae). Part 4. Description of nine new species

Balázs Tóth,László Ronkay 한국응용곤충학회 2015 Journal of Asia-Pacific Entomology Vol.18 No.2

Description of nine new Naarda species, N. melistigma, N. nymphoida, N. sonibacsi, N. penicula, N. variegata, N. picata, N. lingualis, N. costicorna, and N. tetramacula spp. n. are given.With 26 figures on 3 plates.

A Critical Rereading of North Korea’s Dominant Narratives: Representation and Reality of Labor and Femininity in the DPRK

Balázs Szalontai 고려대학교 민족문화연구원 2019 Cross-Currents Vol.0 No.33

Written by scholars closely acquainted with each other’s work, the two monographs under review show remarkable similarities in both selection of sources and approach to North Korean society. First, both authors have developed their theses mainly through the close reading and critical reassessment of a wide range of published North Korean materials. For Heroes and Toilers: Work as Life in Postwar North Korea, 1953–1961, Cheehyung Harrison Kim examines statistical and economic handbooks, newspaper and journal articles, documentaries, and a few literary works. For Rewriting Revolution: Women, Sexuality, and Memory in North Korean Fiction, Immanuel Kim analyzes novels, short stories, newspaper articles, almanacs, and the relevant speeches of Kim Il Sung and Kim Jong Il. To contextualize and verify these sources, the authors extensively consult South Korean academic works and monitor the North Korean scene through the lenses of such theories as Marxian notions of work, literary studies on socialist realism, and feminist concepts of gender inequality. Still, they generally adopt the position that North Korea’s own dominant narratives should not be dismissed as mere propaganda but rather should be examined in depth. In the same vein, they express a profound aversion toward those external counter-narratives (like the memoirs of North Korean refugees) that directly challenge the regime’s dominant narratives on the basis of human rights.

Courting the “Traitor to the Arab Cause”: Egyptian-North Korean Relations in the Sadat Era, 1970-1981

Balázs Szalontai 건국대학교 인문학연구원 2019 통일인문학 Vol.5 No.1

This article analyzes the diplomatic aspects of Egyptian-North Korean relations, with a brief overview of the era of Gamal Abdel Nasser and with a focus on Anwar el-Sadat’s presidency. On the basis of Hungarian, U.S., and Romanian archival documents, it investigates why the post-1973 reorientation of Egyptian foreign policy toward a pro-American position did not lead to a breakdown of the Egyptian-North Korean partnership. The article describes such episodes as North Korea’s military contribution to the 1973 Arab-Israeli War, Egyptian-North Korean cooperation in the Non-Aligned Movement, Kim Il Sung’s equivocal reactions to the Egyptian-Israeli peace process, and the militant Arab states’ dissatisfaction with Pyongyang’s unwillingness to condemn the “treacherous” Camp David Accords. It concludes that the main pillars of the Sadat-Kim Il Sung partnership were their simultaneous cooperation with China, their shared enmity for the USSR, and their fear of diplomatic isolation. Still, the North Korean leaders, anxious as they were to prevent an Egyptian-South Korean rapprochement, were more often compelled to adapt to Egypt’s diplomatic preferences than vice versa. The ambivalence, vacillation, prevarication, and opportunism that characterized Pyongyang’s interactions with Cairo belied the common image of North Korea as an iron-willed, militant state cooperating with other revolutionary regimes on the basis of equality, mutual trust, and anti-imperialist solidarity.

Silicon Nitride Composites with Different Nanocarbon Additives

Csaba Balázsi 한국세라믹학회 2012 한국세라믹학회지 Vol.49 No.4

This paper explores the use of a variety of carbon nanoparticles to impart electrical, thermal conductivity, good frictional properties to silicon nitride matrices. We used the highly promising types of carbon as carbon nanotubes, exfoliated graphene and carbon black nanograins. A high-efficiency attritor mill has also been used for proper dispersion of second phases in the matrix. The sintered silicon nitride composites retained the mechanical robustness of the original systems. Bending strength as high as 700 MPa was maintained and an electrical conductivity of 10 S/m was achieved in the case of 3 wt% multiwall carbon nanotube addition. Electrically conductive silicon nitride ceramics were realized by using carbon nanophases. Examples of these systems, methods of fabrication, electrical percolation, mechanical, thermal and tribological properties are discussed.

[국제리뷰] 젠더기반폭력(Gender-based violence) 근절 및 예방에 관한 UNDP 서울정책센터의 개발경험 공유 파트너십 -2017년 서울 담화(Seoul Debates)의 논의 내용을 중심으로-

발라즈 호르바트(Balàzs Horvàth) 한국여성정책연구원 2017 젠더리뷰 Vol.45 No.-

違憲審査權과 立法裁量論의 序論的 考察

李潑來 건국대학교 1995 대학원 학술논문집 Vol.41 No.-

In modern democratic states, the guarantee of the Constitution law is very important because the success of the guarantee of the constitutional law is the success of the constitutional order of the state. The judicial review of legislation adopted as one of the methods for guaranteeing the constitution has systematic significance of protecting the constitution by reviewing the illegality of law made by Congress. The pattern of this system is classified into two ; $quot;Judicial Review System$quot;, the American style, $quot;Verfassungsgerichtsbarkeit$quot;, the German style. The legislative Discretion is divided into the positive and passive meaning ; the law that has the The Legislative Discretion has to keep the validity in the passive meaning but on the other hand they have to restrict and supply the consents of law to be up to the spirit of the constitution in the posstive meaning. Now, we must keep and guard the constitutional system in order to prevent invasion of individual rights. People must understand their constitutional rights and have the will to require the review of the constitutionality of laws.

신뢰도를 반영한 송전선 이용료 산정에 관한 연구

金發鎬,鄭求亨 弘益大學校 科學技術硏究所 2001 科學技術硏究論文集 Vol.12 No.-

The efficient and rational transmission tariff structure is one of the crucial factors in creation of fair and competitive electricity markets. Transmission charge can be largely categorized into the line usage charge, system reliability charge, access charge and others. Any transmission tariff should be able to reflect these cost components reasonably. This paper suggests an approach to allocating the transmission reliability costs. The proposed method is based on the line usage of market participants under normal state. For the allocation of reliability costs, transmission reliability contributions are calculated and these contributions reflect line sensitivity under contingency condition(n-1 line outage state) and line outage rate simultaneously.

美合衆國憲法上의 司法審査

李潑來 건국대학교 1995 대학원 학술논문집 Vol.42 No.-

The judicial review of legislation adopted as one of methods to guarantee noms of the cmsti-tution is provided to ensure constitutional effectiveness and to protect fundamental human rights through the judicial procedure.But there are many differences in theory and practice be-cause it was formed on the basis of many countries'own historical backgrounds.Then in general, it is possible to classify them into two categOTies,i.e.the American style Judicial Review and the German style Constitutional Court system. The American Judicial Review means that ordinary courts can declare any congressional act Void when they violate the constitution.It has played an important role in carrying out its func-tion mentioned above in constitutional order of the U.S.A.The Doctrine of Judicial Review has been widely admired by lawyers and scholars in the U.S. A. as well as in foreign countries. Many countries including Japan currently adopt such system and Korea once has experienced such a system during the Third Republic too.This system was influenced by Dr Bonham's Case of England and was consolidated by Marbury v.Madison Case(1803)of the U.S.A. In this thesis,I have tried to analyze various aspects,above all,in relation to of judicial review in the U.S.A.