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The Walfare Implication of an Expansion of an Industrial Zone
Tetsu, Kazuhiro 세종대학교 국제경제연구소 2001 Journal of Economic Integration Vol.16 No.3
The main objectives of this paper are to present a model introducing the idea of two isolated areas that have different economic features and to analyze the effects of an expansion of an industrial zone. In this model, we assume that there are two areas: one is under full employment, the other is suffering from urban unemployment. In such a two isolated area model, we show that the economic development of a rural area is attained at the cost of an urban area and that national income depends on the endowment of labor force in each area.
The Welfare Implication of an Expansion of an Industrial Zone
( Kazuhiro Tetsu ) 세종대학교 경제통합연구소 (구 세종대학교 국제경제연구소) 2001 Journal of Economic Integration Vol.16 No.3
The main objectives of this paper are to present a model introducing the idea of two isolated areas that have different economic features and to analyze the effects of an expansion of an industrial zone. In this model, we assume that there are two areas: one is under full employment, the other is suffering from urban unemployment. In such a two isolated area model, we show that the economic development of a rural area is attained at the cost of an urban area and that national income depends on the endowment of labor force in each area.
Paper Curl Causes, Diagnosis, and Control
Uesaka,Tetsu 강원대학교 부설 창강제지 기술연구소 1998 제지기술 Vol.- No.12
The state of the art of knowledge has been presented for the cause, diagnosis and control of paper curl. Although curl phenomena are complex in practical situations, we now can diagnosis the problem systematically by using appropriate tools. These tools include a computer-aided design system based on the analysis of fundamental curl mechanisms, curl measurement apparatus and various sheet structure analysis techniques, all of which have been developed over the last 20 years. The recent developments in the crossmachine direction profile control, headbox design, forming and restraint drying provide papermakers addition tools for controlling curl.
Tomohito Kameda,Tetsu Shinmyou,Toshiaki Yoshioka 한국공업화학회 2016 Journal of Industrial and Engineering Chemistry Vol.36 No.-
1-Hydroxyethane-1,1-diphosphonic acid intercalated Li–Al layered double hydroxide (HEDP Li–Al LDH)was prepared by co-precipitation. HEDP Li–Al LDH was found to take up Nd3+ and Sr2+ ions from aqueoussolutions; this can be attributed to the metal-chelating functions of the HEDP ions in the interlayers ofHEDP Li–Al LDH. Sr2+ uptake by HEDP Li–Al LDH was larger than Nd3+ uptake. This is probably becausethe uptake of one mole of Nd3+ by HEDP Li–Al LDH requires two times the number of moles of HEDP ionsthan the uptake of one mole of Sr2+. The mass-transfer-controlled shrinking core model described theuptake behavior better than the surface reaction-control model. HEDP ions in the HEDP Li–Al LDHinterlayer rapidly form chelate complexes with Nd3+ or Sr2+, as a result of which the transfer of Nd3+ orSr2+ through the product layer is rate limiting. Furthermore, this reaction mechanism can be described bya Langmuir-type adsorption phenomenon, indicating that this reaction involves chemical adsorption;this is consistent with the formation of chelate complexes between Nd3+ or Sr2+ and HEDP ions in theinterlayers of HEDP Li–Al LDH. The control of chelate ions in the interlayer of Li–Al LDH leads to thecontrol of the preferential uptake of metal ions.