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盧載榮,鄭元采,安長憲,卞珠燮,姜信寓 충북대학교 엽연초연구소 1974 煙草硏究 Vol.2 No.-
I.Influence of deficient or excessive supply of soil moisture. The variety used in this study were Turkish varieties (Smyrna, Samsun, Zichna and Xanthi). Soil moisture content were 30%, 45% and 60% to maximum water-holding capacity for whole growth period. This experiment was carried out to study on the influence of soil moisture to growth and physiology of Turkish varieties. The results are summarized as follow ; a. Dry weight of Samsun and Zichna were-increased at 45% soil moisture content, but Smyrna and Xanthi at 60%. In every soil moisture treatmennt, there were significant difference between D plot and M, W plot but there were no significant difference between M plot and W plot. b. Percentage of dry matter of Smyrna was higher then those of the other varieties in the D plot and W plot. c. Leaf area was increased ill the Samsun of which process was slightly late. In every soil moisture treatment, M plot and W plot were higher than D plot. d. Dry weight per unit leaf area of Smyrna and Zichna were higher than that of Xanthi and Samsun. e. Percentage of dried up leaves was the W plot, and lower at the D and M plot. Smyrna was lower at M plot, Zichna at D and M plot, Xanthi at D plot, but Samsun was no difference among plots. f. In the number of harvested leaves, Smyrna was increased in order W>M>D. In the number of harvested leaves, Smyrna showed difference according to the soil moisture in order W>M>D plot, but Samsun and Zichna showed no difference among each treatments, Xanthi was higher in M plot than D and W plot. From those results, Smyrna showed the highest dry weight on account of the weight of leaf area and percentage of dry weight increased, it was decreased in order Zichna>Samsun Xanthi in the each soil moisture contents. Number of harvested leaves, dried up leaves, leaf area and number of harvested leaves but decreased, percentage of dry matter W treatment increased the number of total leaves, number of dried up leaves, leaf area, percentage of dried up leaves and percentage of dry matter. Yields were the lowest at D treated, there were no difference between M and W treatment. II.Influence of deficient or excessive supply of soil moisture at different growing stages. This experiment was carried out to study on the influence to the growth and physiology according to the soil moisture content during each growth stage on Turkish varieties culture. The varieties used in this study were Samsun, Zichna and Xanthi. The results are summarized as follow; a. Dry leaf weight was decreased in order Zichna>Samsun>Xanthi, there were remakable difference among every variety. In each soil moisture content, weight of dry matter was increased by M and W treated at late stage after MW and MM treated at early and middle stage of growth DWM and MDM plot. Dry leaf weight was decreased at D plot more than M and W plot late stage after early stage was treated by MW and MM. Dry leaf weight was the highest at WWM treate, dthere were high significant difference between varieties and soil moisture contents. b. Percentage of dry matter was decreased in order Zichna=Xanthi>Samsun. In soil moisture treated, it was increased in D treated at the latter stage after MM, MW and WM treated at early and middle stage, but it was decreased by DDM, DWD, MDM, WWD, WMM, and WWM treated. There were high significant interaction between varieties and soil moisture contents. c. Leaf area showed in order Samsun=Zichna>Xanthi. In soil moisture treated, leaf area was increased by WM, MM and MW treated at the middle and latter stage after D treated at early stage, but it was decreased at WWD, WMD, WWM, MWD and MMD treated. d. Dry weight per unit leaf area were no difference among varieties, in soil moisture treated, it was increased by the MMW, MWD, MMD, WMD and DMW treated, weight of per unit leaf area showed significant difference interaction between varieties and soil moisture contents. d. Percentage of dried up leaves showed as follow, Samsun>Xanthi, Samsun=Zichna, Zihna=Xanthi. In soil moisture treated, it was increased by M and W treated at early stage than D treated. f. Number of harvested leaves was decreased in order Xanthi>Samsun>Zichna, there were no difference among soil moisture contents, but appeard high significant difference at the interaction between varieties and soil moisture contents. As the results of this experiment, especially, this experiment will be continue on the influence of soil moisture condition in order to development of home production system.
[디젤엔진부문] 이종연료 층상분사를 이용한 디젤엔진의 NOx와 soot 동시 저감에 관한 연구
강병무(B.M. Kang),김종률(J.Y. Kim),이태원(T.W. Lee),정성식(S.S Chung),하종률(J.Y. Ha) 한국자동차공학회 2000 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
<br/> ~~.A\-%7}t'--c:j-~ 2000\15:. ~;>jI~t:1J~<br/> 2000-03-2041<br/> 01<br/> 3S. 91 ~ ~A~~<br/> A<br/> L.s:.<br/> OI<br/> Ho~<br/> c:"~.n. C::>C>c r2. C:::>L ;<br/> C/~2!!~~ NOx$ soot ~AI AI~OU ~~ eF?<br/> 7J'!!-';'-, 7,J'6-it(%ottJI-o:}jj! tJI~~), 01I11~(~~ ~~tJI-O:}), '\J'\J-6j, "6J-'6-iH%ottJI-o:}jj!)<br/> A Study on the Simultaneous Reduction of :>iOx and Soot<br/> with Dual Fuel Stratified Injection System in a Diesel Engine<br/> B. 1\1. Kang, ]. Y. Kim(Graduated School of Dong- A L'niv'>, T. W. Lee(Changwon CQUage), S. S. Chung, ]. Y. Ha(Dong-A Univ,)<br/> ABSTRACT<br/> To investigate the method of the simultaneous reduction of Soot and NOx, we developed a new conception for dual fuel stratified injection system in a Diesel Engine.<br/> Some parts of the injection system, ie. nozzle holder, delivery vale. were remodeled to inject diesel and methanol in order from one injector. The Quantity of diesel and methanol was controled precisely by micrometers that were mounted at control lack of injection pump.<br/> The real injection Quantity ratio of dual fuel was certificated by volumetric ratio at injection Quantity experiment. We could confirm the capability that soot and NOx simultaneously were reduced by diesel-methanol stratified injection from the results of combustion and exhaust characteristic.<br/>
천공유압드릴 장비에서 작업 동작에 따른 연비 측정 및 평가 기술 연구
최진구(J. G. Choi),강주영(J. Y. Kang),김종민(J. M. Kim),배종원(J. W. Bae),이충근(C. G. Lee),이정호(J. H. Lee),김주호(J. H. Kim),이대엽(D. Y. Lee),송윤우(Y. W. Song),김명보(M. B. Kim),조재상(J. S. Cho) 유공압건설기계학회 2017 유공압건설기계학회 학술대회논문집 Vol.2017 No.11
In order to improve the fuel economy of a hydraulic drilling machine, which consumes relatively large amount of fuel compared to other typical construction machinery, a comparison is made between gravimetric fuel consumption using mass flowmeter and CAN signal. And, since the data of CAN signal is close enough to the measured data of a flowmeter, fuel consumption at real work mode is measured and analyzed using CAN signals. A result show that drilling mode occupies about 67.4% of total fuel consumption. It is concluded that this work may contribute to enhance fuel economy of hydraulic drilling machines.
SCHOTTKY PROPERTIES OF ION BEAM DEPOSITED W-Si-N REFRACTORY CONTACTS ON GaAs
Park, C. S.,Lee, J. S.,Yang, J. W.,Shim, K. H.,Lee, J. H.,Choe, Y. K.,Kang, J. Y.,Ma, D. S.,Lee, J. Y. 대한전자공학회 1989 ICVC : International Conference on VLSI and CAD Vol.1 No.1
We first tried low energy ion beam assisted deposition (IBAD) of refractory W-Si-N films onto GaAs for application to gate electrode of metal-semiconductor field effect transistors (MESFET). This ion beam technique provides lower process pressure, and less ion damage to substrates and films than conventional reactive sputter-deposition. The Schottky diode characteristics of W-Si-N contacts on GaAs and their thermal stability were investigated after annealing at 700-900℃ for 30 min. The Schottky barrier heights of W/, WN_(0 27)/, and WSi_(0 3)N_(0 4)/GaAs diodes annealed at 850 were 0.71, 0.84, and 0.76 eV respectively, which are comparable to those of the best results obtained by the conventional sputtering.
Lee, J.J.,Nam, S.,Park, J.H.,Lee, S.Y.,Jeong, J.Y.,Lee, J.Y.,Kang, W.S.,Yoon, I.S.,Kim, D.D.,Cho, H.J. Academic Press 2016 JOURNAL OF COLLOID AND INTERFACE SCIENCE - Vol.484 No.-
Nanocomposites (NCs) based on Soluplus (SP) were fabricated by an electrohydrodynamic (EHD) method for the oral delivery of Angelica gigas Nakai (AGN). Nano-sized particles were obtained after dispersing the resultant, produced by the EHD technique, in the aqueous environment. AGN/SP2 (AGN:SP=1:2, w/w) NC dispersion in aqueous media exhibited a 130nm mean diameter, narrow size distribution, and robust stability in the tested concentration range of the ethanol extract of AGN (AGN EtOH ext) and at pH 1.2 and 6.8. Amorphization of the components of AGN and their interactions with SP in the AGN/SP2 NC formulation were demonstrated by X-ray diffractometry (XRD) analysis. The released amounts of decursin (D) and decursinol angelate (DA), major components of AGN, from NCs were improved compared with those from the AGN EtOH ext group at both pH 1.2 and 6.8. As D and DA can be metabolized into decursinol (DOH) in the liver after oral administration, the DOH concentrations in plasma were quantitatively determined to evaluate the oral absorption of AGN. In a pharmacokinetic study in rats, higher oral absorption and the maximum concentration in plasma (C<SUB>max</SUB>) were presented in the AGN/SP2 NC group compared with the AGN EtOH ext and AGN NC groups. These findings indicate the successful application of developed SP-based NCs for the oral delivery of AGN.