http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
시간지연이 있는 대규모 이산시간 시스템의 계층적 최적제어
최태호,김경연,전기준 경북대학교 전자기술연구소 1988 電子技術硏究誌 Vol.9 No.1
A hierarchical algorithm for the optimal control of large scale discrete tune systems with time-delays is proposed The proposed algorithm which is based on the interaction prediction method can be applied to a large scale time-delay systems with general structure by extending the dimensions of coupling matrices. A numerical example illustrates the algorithm.
뽕나무를 이용한 새로운 한지의 제조(제 2 보) -인피부 및 전간부 섬유.한지의 특성
최태호,조남석 한국펄프종이공학회 1999 펄프.종이기술 Vol.31 No.4
Excellence of the Korean traditional paper(Hanji) can be proved by literatures and legacies handed down from generations. However, with the problems pertaining to a majority of traditional manufactures, Hanji industry was declined because of low productivity, insufficient supply of raw material , and reduced demand. therefore, modernizxation of the Hanji technology and development of new uses are very important. This study was carried to investigated the papermaking characteristics of Morus spp.(M.alba, M.Bombycis, and M.Ihou) for new Hanji, modernize manufacturing process of Hanji by grafting on developed modern pulping and papermaking technology, develop the various uses, and establish the foundation for development of high value-added products. Hanji is made from M.Ihou, while stalk , and sulfomethylated pulp gave better sheet formation and higher brightness than those of the others. Physical properties of Hanji which made from bast fiber pulps were better than those of whole stalk pulps. Hanji which made from M.bombycis bast fiber and whole stalk pulps were not so good sheet strength as other species. Sulfomethylated whole stalk pulps were shown better sheet strength than alkali and alkali-hydrogen peroxide whole stalk pulps.
뽕나물 이용한 새로운 한지의 제조(제 1보)-해부학적 , 화학적 성밀 및 펄프화 특성-
최태호 한국펄프종이공학회 1999 펄프.종이기술 Vol.31 No.3
Anatomical and chemical properties of three mulberry species (Morus spp) were analyzed as an alternative row material for the paper mulberry (Broussonetia kazinoki) . The pulping and papermaing characteristics of bast fiber and whole stalks by three different pulping processes, conventional alkali, alkali-hydrogen peroxide, and sulfomethylated, for the Hanji were investigated. The fiber dimension of M.bombycis was the biggest of the species. The fiber length of upper part and the fiber width and cell wall thickness of lower part were bigger than the others. The extractives and ash contents of bast fiber were higher than those of whole stalk , and holocellulose and lignin contents of whole stalk were higher than those of bast fiber. The pulp yields of M.alba bast fiber, M.bombycis whole stalk, and sufomethylated pulping were higher than the others.
닥나무를 이용한 새로운 한지의 제조(제2보)-인피부 및 목질부 펄프 혼합초지 한지의 특성-
최태호,조남석 한국펄프종이공학회 1998 펄프.종이기술 Vol.30 No.2
This study was carried out to investigate the papermaking characteristics of paper mulberry(Broussonetia kazinoki) for new Korean traditional paper(Hanji). Hanji has been traditionally made only with the bast fiber of paper mulberry. Besides mulberry bast part, wood core was utilized separately or in mixed forms as raw materials for the new Hanji. Hanjis made from the solfomethylated pulp were shown higher brightness and sheet strengths than those from alkali and alkali-hydrogen peroxide pulps. The brightness of solfomethylated pulp was found to be high enough not to need additional bleaching. In the physical properties of the Hanjis mixed with bast part and wood core pulps, the handsheet strengths were decreased as the increase of the wood core pulp contents. But the sheet strengths of Hanjis containing 10∼30% of wood core pulps were higher than those of the Hanji containing bast part pulp only. The sheet formations were improved as the increase of wood core pulp contents, while the sheet strengths were decreased.
닥나무를 이용한 새로운 한지의 제조(제3보)-인피부 및 전간부 펄프 혼합초지 한지의 특성-
최태호,조남석 한국펄프종이공학회 1998 펄프.종이기술 Vol.30 No.2
Traditionally, Hanji had been made only with the bast fiber of paper mulberry (Broussonetia kazinoki). Nowadays, Hanji has been made mainly in the mixed forms of paper mulberry bast fiber and waste paper, and consequently it has raised many problems using them. This study was carried out to investigate the characteristics of Hanji mixed with paper mulberry bast part and whole stalk pulps. Hanjis made from the solfomethylated pulp were shown higher brightness and sheet strengths than those from alkali and alkali-hydrogen peroxide pulps. The brightness of solfomethylated pulp was found to be high enough not to need additional bleaching. The sheet formations were improved as the increase of whole stalk pulp contents, while the sheet strengths were decreased. In the physical properties of the Hanji mixed with bast part and whole stalk pulps, the handsheet strengths were decreased as the increase of the whole stalk pulp contents. The tensile strength and folding endurance of the Hanji containing 40∼60% of whole stalk pulps were higher as compared to the others.