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鄭鉉丞,姜奉泰,李炳五 진주산업대학교 1972 論文集 Vol.9 No.-
This is the report for 1971 of the third year project among the three years plan on the development of sheep range in Mt. Chiri. To investigate the effect of native grasses in Mt. Chiri on the breeding percentage of sheep this experiment was carried out from March 22, 1971 to March 21, 1972. Numbers of experimental animal used in this experiment were 12. Furthermore, the processing method of wool, marketing, economical analysis in the collective feeding and storage were investigated in cooperation with this experiment. The results obtained here were as follows; 1. For the processing method of wool, there are two ways; one of the processing method of wool is the self-processing method which follows the easy method of wool processing and another of the processing method of wool exchange with the good of wool texture company which follows the charge processing method of wool. 2. For the marketing route of wool, because the wool texture company can buy limitlessly wool, there are two ways to sell wool. The one of the way is the direct sell method of wool to the wool texture company and the other of the way is the sell method of wool via the route of circulation mechanism. 3. In the case of economical analysis for the collective feeding of sheep, if farms could raise 3,000 of sheep in the method of collective feeding it could get net income of 150,000 to 300,000 won for 52 days per farm per year. 4. For the storage of wool, to attach of wool fat must be needed and in the case of short period storage, wool must be placed in the arid place and in the case of long period storage, wool should be prevented from the attack of insect and rat, attachment of spurious article such as dust, decrease of weight and denaturation of wool fat. 5. The breeding percentage of sheep fed only native herbages plant was 60%.
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鄭鉉丞 진주산업대학교 1978 論文集 Vol.16 No.-
Rabbit Cages were designed to be built over Pig barns and rabbit feces, urine and residual forage were dropped down and fed liberally by the pigs. The effect of liberal feeding of rabbit feces urine, and residual forage on the growth and carcass yield in the growing-finishing pigs was determined. The initial body weights of 4 pigs in the control or experimental lot was egually averaged about 42㎏. The results obtained were as follows : 1. The average body weight gain during the experimental period of 2 months was significantly (P<0.05) more in the experimental pigs (42.4㎏) than that in the controls (31.2㎏) 2. The feed conversion was also improved greatly in the experimental pigs(3.10) as compared with the controls(4.15) 3. The decrease in feed cost for 1㎏ body gain of the pigs form the liberal feeding of rabbit feces, urine and residual forage was estimated to be 104 won. 4. The rabbit feces, urine and resdual forage had considerably high palatability to the pigs and these materials seemed to give no detrimental effects on the pig's health. 5. The dressing Percentage and the relative yield of 5 primal cuts were similar between both the groups. 6. The Carcass weight and body fat percentage were 8.57㎏ and 1.92% higher than those in the controls.
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감정 표현 규칙의 인식과 직무 만족 및 직무 긴장 사이의 관계 연구
정현승 한국경영교육학회 2012 한국경영교육학회 학술발표대회논문집 Vol.2012 No.12
많은 서비스 산업에서 감정 표현 규칙을 사용하고 있음에도 불구하고 그 동안 감정 표현 규칙에 대한 연구는 부족하였다. 그 동안의 감정 표현 규칙 인식의 연구는 일반적으로 부정적인 결과를 유발한다는 연구 결과가 많았다. 또한 기존의 연구에서는 부정적인 결과를 완화시켜줄 수 있는 조절효과를 검증한 연구는 매우 미비하였다. 따라서 본 연구에서는 연극학적 관점을 차용하여 감정 표현 규칙의 인식이 직무만족과 직무긴장에 어떠한 관계가 있는지 파악해보고자 하며, 고객서비스에 대한 몰입의 세가지 기반 요인의 조절 효과를 통해 감정 표현 규칙의 인식이 직무 만족 및 직무 긴장에 어떤 영향을 미치는지 검증하였다. 국내 모 보험회사 영업사원을 대상으로 한 실증 분석 결과 감정 표현 규칙의 인식이 꼭 부정적인 결과를 유발하지는 않는다는 결과가 나타났으며, 고객 서비스에 대한 몰입의 세 가지 기반 요인 중 정서적 고객 서비스 지향의 조절효과는 직무 긴장을 완화해 줄 수 있으며, 규범적 고객 서비스 지향은 직무만족을 증가 시킬 수 있다고 나타났다. 또한 계산적 고객 서비스 지향은 직무 만족을 떨어뜨린다는 결과가 나타났다.
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鄭鉉丞 진주산업대학교 1984 論文集 Vol.22 No.-
This experiment was conducted to investigate the effect of substituting Briquette ash feeding for the second Fe injection of pig at Sucking on pig growth, pig weight at 21 days, pig weight at weaning and pig growth at growing and fattening with 7 pigs of same litter produced at animal farm, this college from March 2, 1984 to July 19, the same year. Pig weight at 21 days was heavier in the pigs feeding Briquette ash after injected Fe once than that in those injected fe twice and conversely, in pig weight at weaning. The body gain of growing and fatterning period was superior in the pigs feeding Briquette ash after injected once of groups studied. Feed efficiency of growing and fatterning pig was higher in the pigs injected Fe twice than that in those feeding Briquette ash after injected Fe once. Pig health in feeding Briquette ash was normal. The results obtained in this study suggest that Briquette ash feeding as substitution for Fe injection be an effective micromineral matter from growing to fattening.
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鄭鉉丞 진주산업대학교 1983 論文集 Vol.21 No.-
The reproductive traits from 39 pigs farrowed at Dept. of Animal Science, this collage and 580 pigs used in the performance test at National Livestock Breeding Station were analyzed to investigate the effects of Briquette ash addition on the substitutes for Fe injection in sucking pig when fed breeding and sucking pigs with Briquette ash. The results obtained in this study are as follows: 1. The pig of this college(5.27㎏) had slightly heavier average weight at weaning than the purebred D. J. of National Livestock Breeding Station(5.00㎏). 2. The purebred D. J(8.3pigs, 88.3%) had higher litter size and survival rate at weaning than the pig of this college. 3. The pig of this college had slightly heavier average weight at weaning than the purebred D. J. 4. In the group equal to farrowing season and litter size at sucking, there were nonsignificant(P>.05) differences for the reproductive traits between Briquette ash addition and Fe injection group. 5. When fed liberally Briquette ash as the substitute for Fe injection in sucking pig, there is relatively a superior tendency to the growth and health conditions in pigs. The results obtained in this study suggest that the Briquette ash addition with the substitutes for Fe be going to possible in the future.
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Electrical stabilities of half-Corbino thin-film transistors with different gate geometries
정현승,최근영,이호진 한국정보디스플레이학회 2012 Journal of information display Vol.13 No.1
In this study, the bias-temperature stress and current-temperature stress induced by the electrical stabilities of half-Corbino hydrogenated-amorphous-silicon (a-Si:H) thin-film transistors (TFTs) with different gate electrode geometries fabricated on the same substrate were examined. The influence of the gate pattern on the threshold voltage shift of the half-Corbino a-Si:H TFTs is discussed in this paper. The results indicate that the half-Corbino a-Si:H TFT with a patterned gate electrode has enhanced power efficiency and improved aperture ratio when compared with the half-Corbino a-Si:H TFT with an unpatterned gate electrode and the same source/drain electrode geometry.
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닥나무의 사료가치에 관한 연구 제 2 보 . 닥나무 재배방법 및 엽의 급여가 육성 - 비육돈의 증체에 미치는 영향
정현승,이을희,정장용 ( Hyun Sung Chung,Ell Hee Lee,Jang Young Jung ) 한국축산학회 1980 한국축산학회지 Vol.22 No.5
This experiment was carried out to determine the yield, chemical composition and feeding value of the leaves and rhytidome of Broussonetia kaxirtoici, Sieb. The feeding value of the leaves fed liberally to growing-finishing pigs was determined under the restricted feeding in which the daily allowance of formula feed was 3 % of body weight, compared with 4 % in the controls. Ten pigs of the same litter were alloted in equal numbers into the control and experimental groups and conducted the feeding trial for 2 months. The results obtained are summarized as follows : 1. The annual yield of green leaves of Broussonetia kazinoki, Sieb. grown on the College Experimental Farm was averaged about 2,000㎏/10a. 2. The chemical composition of the leaves was determined on the dry matter basis as follows ; crude protein : 11.4%, crude fat: 4.74%, crude fiber : 32.33%, crude ash : 13.43% and nitrogen free extracts : 37.16%. 3. The chemical composition of the rhytidome was determined on the dry matter basis as follows ; crude protein : 13.43%, crude fat : 5.94%, crude fiber : 33. 19%, crude ash ; 33.60% and nitrogen free extracts : 27.26 %. 4. The body weight gain for 2 months was averaged 33.8㎏ and 36. 2㎏ in the control and experimental pigs, respectively. However, there was no significant (P$lt;0.05) difference in body weight gain between two groups. 5. The feed conversion was improved slightly in the experimental group(3.2) as compared with the control (3.8). 6. The liberal feeding of the green leaves resulted in the decrease of about 60 won in the feed cost for 1 ㎏ body gain of the growing-finishing pigs. 7. The leaves were found palatable to the pigs and the pigs fed the leaves were found to be normal clinically.
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육성돈에 있어서 Russian Comfrey 의 사료적 이용가치
정현승,곽종형,강대진 한국축산학회 1968 한국축산학회지 Vol.9 No.2
The experiment was conducted to determine the feeding value of Russian Comfrey (Symphtyum peregrenium) by growing pigs. Sixteen Berkshire gilts were alloted into 4 treatments according to the levels of Russian Comfrey (R.C.) in pig ration such as 0%, 10%, 20%, and 30% on air-dried basis. Body weight gain, feed efficiency, economical feeding value and palatability in each treatment were investigated. The experimental results obtained were as follows; 1) In weight gain the pigs fed 10% R.C. ration showed more gain (P$lt;0.05), but those fed 30% R.C. ration showed less gain (P$lt;0.05) than control group of pigs did. And the pigs fed 20% R.C. ration showed no more gain than the control pigs statistically. 2) Feed efficiency in 10% R.C. ration was also higher than that in any other rations. 3) Feed cost per ㎏. weight gain was lowest in 10% R.C. ration and slightly higher 30% R.C. ration than that in control ration. 4) From the feed intake it was considered that Russian Comfrey should be considerably palatable to pigs. And from the above results, it was estimated that Russian Comfrey could be supplemented by 20% in the pig ration successfully.
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