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의류 패턴 설계를 위한 삼차원 인체 체표면 스캔 데이터 활용에 관한 연구
천종숙,서동애,이관석 服飾文化學會 2002 服飾文化硏究 Vol.10 No.6
'In the apparel industry, the technology has been advanced rapidly. The use of 3D scanning systems for the capture and measurement of human body is becoming common place. Three dimensional digital image can be used for design, inspection. reproduction of physical objects The purpose of this study is to develop a method that drafts men's basic bodice pattern from scanned 3D body surface shape data. 1n order to pursue this purpose the researchers developed pattern drafting algorithm. The 3D scanner used in this study was Cyberware Whole Body Scanner WB-4. The bodice pattern drafting algorithm from 3D body surface shape data developed in this study is as follows. First. convert geonmetric 3D body surface data to 3D polygonal mesh data Second, develop algorithm to lay out 3D polygonal patches onto a plane using Auto Lisp program. The polygon meshes are coplanar, and the individual mesh is continuously in contact with next one. The bodice front surface shape data in polygonal patches form was lined up in bust and waist levels. The back bodice was drafted by lining up the polygonal mesh in scapula. chest. and waist levels. In the drafts. gaps between polygons were formed into the darts.
제한 증폭기와 AND 검출기를 이용한 이중 하드리미터 구조의 다중 파장 OCDMA 시스템 구현
金鎭錫,徐東洙,朴鍾大 明知大學校 産業技術硏究所 2004 産業技術硏究所論文集 Vol.23 No.-
We have increased the number of codewords so that we accommodate more subscribers in OCDMA network by extending 1-D Optical Orthgonal Codes to the wavelength domain and compared the conventional receiver structure that consists of fiber delay line and double optical hard limiter with the proposed one which is implemented using the limiting amplifier(the first hard limiter) and the AND detector(the second hard limiter). The use of AND detector has solved the problem resulted from decreasement in the autocorrelation-to-sidelobe ratio of the threshold detector. Also, the effects of Multiple Access Interference(MAI) are removed by implementing the Multiwavelength OCDMA receiver with double hard limiter structure.
Lee, S.J.,Kim, H.S.,Kim, D.J.,Yoon, H.J.,Kim, K.H.,Yoon, J.Y.,Suh, S.W. North-Holland Pub ; Elsevier Science Ltd 2011 FEBS letters Vol.585 No.2
Staphylococcus aureus LacD, a Class I tagatose-1,6-bisphosphate (TBP) aldolase, shows broadened substrate specificity by catalyzing the cleavage of 1,6-bisphosphate derivatives of d-tagatose, d-fructose, d-sorbose, and d-psicose. LacD.1 and LacD.2 are two closely-related Class I TBP aldolases in Streptococcus pyogenes. Here we have determined the crystal structures of S. aureus LacD and S. pyogenes LacD.1. Monomers of both enzymes are folded into a (β/α)<SUB>8</SUB> barrel and two monomers associate tightly to form a dimer in the crystals. The structures suggest that the residues E189 and S300 of rabbit muscle Class I fructose-1,6-bisphosphate (FBP) aldolase are important for substrate specificity. When we mutated the corresponding residues of S. aureus LacD, the mutants (L165E, L275S, and L165E/L275S) showed enhanced substrate specificity toward FBP. Structured summary: lacDbinds to lacD by X-ray crystallography(View interaction) lacD1binds to lacD1 by X-ray crystallography(View interaction)
Nayak, R.R.,Nag, O.K.,Woo, H.Y.,Hwang, S.,Vak, D.,Korystov, D.,Jin, Y.,Suh, H. Elsevier 2009 Current Applied Physics Vol.9 No.3
Two cationic conjugated polyelectrolytes (CPs, P1i and P2i) were synthesized and examined as a fluorescence resonance energy transfer (FRET) donor to fluorescein (Fl)-labeled single-stranded DNA (ssDNA-Fl) using steady-state and time-resolved photoluminescence (PL) spectroscopy. The two polymers have the same π-conjugation with the main structural difference being the presence of the spiro-anthracenyl substituents orthogonal to the polymer backbone of P2i. These spiro-substituents can function as a molecular spacer that increases the intermolecular separation in the electrostatic complex with ssDNA-Fl. We measured almost complete PL quenching of the excited Fl* after electrostatic complexation with P1i (PL lifetime 4ns->78ps) and relatively moderate quenching with P2i (PL lifetime 4ns->552ps). A quenching efficiency (Φ<SUB>eT</SUB>) of 98% and 86% was obtained for P1i/ssDNA-Fl and for P2i/ssDNA-Fl, respectively. Both systems have same thermodynamic driving force for quenching as a result of them having the same electronic structures. This discrepancy can be explained in terms of the reduced quenching (via electron transfer, eT) by the increased D-A distance due to the existence of spiro-attached molecular spacers in P2i. It shows that thermodynamically favorable eT quenching can be controlled kinetically by modulating the D-A intermolecular distance using molecular spacers, which suggests an important molecular design guideline for efficient CPs-based DNA detection.
Moon, M.,Kim, T.,Park, J.,Cho, S.,Ryu, D.,Suh, S.,Kim, H. S. Springer Science + Business Media 2016 Journal of mountain science Vol.13 No.6
<P>It is difficult to scale up measurements of the sap flux density (J(S)) for the characterization of tree or stand transpiration (E) due to spatial variations in J(S) and their temporal changes. To assess spatial variations in the sap flux density of Korean pine (Pinus koraiensis) and their effects on E estimates, we measured the J(S) using Granier-type sensors. Within trees, the J(S) decreased exponentially with the radial depth, and the J(S) of the east aspects were higher than those of the west aspects. Among trees, there was a positive relationship between J(S) and the tree diameter at breast height, and this positive relationship became stronger as the transpiration demand increased. The spatial variations that caused large errors in E estimates (i.e., up to 110.8 % when radial variation was ignored) had varied systematically with environmental factors systematic characteristics in relation to environmental factors. However, changes in these variations did not generate substantial errors in the E estimates. For our study periods, the differences in the daily E (E-D) calculated by ignoring radial, azimuthal and tree-to-tree variations and the measured ED were fairly constant, especially when the daily vapor pressure deficit (D_(D)) was higher than 0.6 kPa. These results imply that the effect of spatial variations changes on sap flow can be a minor source of error compared with spatial variations (radial, azimuthal and tree-to-tree variations) when considering E estimates.</P>