This study was conducted to evaluate the effects of ImmunoSEB as an immune-booster additive on the performance of broiler chicks. A total of 1150 broiler chickens were randomly allotted to three treatments on the basis of body weight (10 pens per treatment with 40 broilers in each pen): the control (CON), CON + ImmunoSEB 0.025% in feed (SEB25), and CON + ImmunoSEB 0.050% in feed (SEB50). The experiment was conducted for d 42 in three phases (phase 1, d 0–14; phase 2, d 15–28; and phase 3, d 29–42). There were significant differences in the average daily gain (ADG) and feed intake. The ADG at d 14 in the SEB50 treatment was greater than that in the CON treatment. The overall ADG in the SEB50 treatment was greater than that in the CON treatment. During d 0–14, the feed intake of chickens in the SEB50 treatment increased compared to that in the CON treatment. The crude protein and lysine digestibility improved in the SEB25 and SEB50 treatments compared to those in the CON treatment at d 28. Superoxide dismutase concentration significantly increased in the SEB50 treatment compared to that in the CON treatment. The interleukin-1β and tumor necrosis factor-α concentrations were higher in the cecum of chickens in the CON treatment than in the SEB25 and SEB50 treatments. A lower population of E. coli was detected in the ileum and cecum of broilers fed the SEB50 diet compared to those of broilers fed the CON diet. The overall result showed the beneficial effects of using ImmunoSEB at a dose of 0.050% in broiler chickens.

본 연구의 목적은 심리도식치료 이론을 기반으로 영유아 부모의 정서, 인지·행 동의 통합 성장을 위한 셀프코칭 프로그램 개발 토대를 마련하기 위한 것이다. 본 연구는 영유아 부모를 대상으로 셀프코칭을 통해 통합 성장을 도와 부모 자신의 성장과 부모 역할을 잘 수행할 수 있도록 하는데 연구의 의의가 있다. 이를 위해 서 국내 선행연구와 문헌조사를 통해 자료들을 수집 분석하여 코칭을 접목한 영 유아 부모들을 위한 통합 성장 셀프코칭 프로그램 개발의 토대를 마련하였다. 영유아 부모를 위한 셀프코칭 프로그램은 7회기, 21시간으로 구성되었으며 셀프코칭의 기본적인 이론 기술들을 토대로 영유아 부모들에게 필요한 주제들 을 다루었다. 본 과정은 부모 셀프코칭 (4-ing) 모형과 NEW LIFE 코칭 모델을 활용하였다. 구체적인 프로그램은 만나기(Meeting)-느끼기(Feeling)-시도하기 (Trying)-흘러가기(Flowing) 단계로 프로그램이 구성되었다. 부모 셀프코칭(4-ing) 모형의 정서적 영역과 코칭 모델의 NEW에서 만나기 와 느끼기 단계로, 인지·행동적 영역과 LIFE에서 시도하기와 흘러가기 단계로 구성하였다. 본 연구에서 개발된 영유아 부모를 위한 셀프코칭 프로그램을 적용한 타당성 검증이 필요하고, 향후 건강한 부모뿐 아니라 정서적 어려움이 예상되는 부모 에게도 접근이 가능하게 함으로 코칭 접근의 범위를 넓히는데 기여할 것이라 기 대한다.

A strain of Alexandrium species was established by isolating cells from Jangmok Bay, Korea. Its morphology and molecular phylogeny based on LSU rRNA gene sequences were examined. In addition, growth responses of this Alexandrium species to changes in temperature, salinity, and nutrient concentrations were investigated. This Alexandrium species from Jangmok Bay had a ventral pore on the 1′, which was morphologically consistent with previously described Alexandrium tamarense and A. catenella. Phylogenetic analyses revealed that this isolate was assigned to A. pacificum (Group IV) within A. tamarense species complex. In growth experiments, relatively high growth rates and cell densities of A. pacificum (Group IV) were observed at 15°C and 20°C. This species also grew under a wide range of salinity. This indicates that this Korean isolate of A. pacificum (Group IV) is a stenothermic and euryhaline species. In growth responses to changes in nutrient levels, enhanced growth rates and cell densities of A. pacificum (Group IV) were observed with additions of nitrate and phosphate. In particular, rapid uptakes of phosphate by A. pacificum (Group IV) were observed in experimental treatments, indicating that the increase in phosphate concentration could stimulate the growth of A. pacificum (Group IV).

The spread of invasive alien plants is one of the most important causes of habitat and biodiversity loss. This research was conducted to secure basic data for the control of the invasive alien plant Solidago altissima. The following research objects were examined: the control; one-time mowing in June (1M6); twotime mowing in June and July (2M6M7); one-time mowing in Jun plus one-time Uprooting in July (2M6U7). The length growth in October, when the growth of S. altissima was completed, was in the order of control (199±19.96 cm), 1M6 (152±13.41 cm), 2M6U7 (54±3.17 cm), and 2M6M7 (45±19.96 cm). The 2M6M7 and 2M6U7 treatment was the most effective at inhibiting S. altissima of density, of 50.8% and 26.2% compared to the control, respectively. In contrast, one-time mowing (1M6) resulted in an increase in density compared to the control by 119.7%. In addition, this treatment also reduced flowering rate (%) of S. altissima. The most effective treatment among those tested was 2M6U7.

Urban space expansion is an important symbol of the urbanization process and has always been an important topic in urban studies. In addition, for sustainable city management, it is important to identify factors that can influence, such as the driving force and direction of urban space expansion, from the stage of establishing an urban development plan. To understand these factors, by observing the expansion process of a specific city, it is possible to sufficiently observe how the urban spatial dimension changes. Through a series of processes, the spatial growth characteristics of the city are analyzed, and the influence and results of important factors are analyzed. For this purpose, this paper examines the changes in the city's outer boundary and land use structure through monitoring data on urban areas of 14 cities in Hunan Province, China from 2000 to 2016. Temporal and spatial regularity according to the urban space expansion of these cities were analyzed, and a preliminary assessment was made on whether the urban space expansion is coordinated with the urban population growth. The assessment result showed: (1) The urban space of most cities has been extended rapidly in 2000-2015 however, the rate and the intensity of urban space expanding has been declining. (2) The construction of the industrial park is the core driving force of the urban space expanding, and the change of the urban space structure is manifested as enclave city expansion because that the industrial park is usually far away from the city center. (3) The population agglomeration is another driving force of the urban space expanding. At this time, the urban space expanding is like boundary extension. (4) Except Changsha city, all of the cities has a high urbanization-area-growth elastic coefficient. It means that most of the cities should enhance the land use degree.

본 연구는 졸업학년 간호대학생의 성장마인드셋과 셀프리더십이 진로준비행동에 미치는 영향을 규명하고자 시도된 서술적 조사연구이다. 자료수집 기간은 2021년 11월 1일부터 30일까지이며, 연구대상 은 G시와 J도에 소재한 3개 대학교 간호대학생 173명이다. 자료 분석은 SPSS 26.0 프로그램을 이용하여 t-test, ANOVA, 기술분석, Pearson‘s correlation, 통제회귀분석을 실시하였다. 연구결과, 성장마인드셋은 셀프리더십(r=.343, p<.001) 및 진로준비행동(r=.373, p<.001)과 정적상관을 보였으며, 셀프리더십과 진로 준비행동도(r=.515, p<.001) 정적상관을 보였다. 또한, 셀프리더십(β=.435, p<.001)과 성장마인드셋(β =.193, p=.005)은 진로준비행동에 정적영향을 미치며, 진로준비행동을 32.0% 설명하였다. 이에 졸업학년 간호대학생의 진로준비행동을 촉진하기 위한 방안으로 셀프리더십과 성장마인드셋의 함양을 위한 실제적 인 전략이 필요함을 시사한다.

본 연구의 목적은 우리나라 Jersey 암소 56두로부터 조사된 체고 데이터에 대해 성장 모형을 추정하고, 추정된 체고 성장 모형의 모수를 활용하여 우리나라 Jersey 암소의 체고 성장 기초 자료를 제공하고자 실시하였다. 추정된 Gompertz, von Bertalanffy, Logistic 및 Brody 모형의 체고 성장 곡선 함수식은 각각      ,         ,          및       이었다. 추정된 Gompertz, von Bertalanffy 및 Logistic 모형의 모수를 이용하여 성장 특성을 분석한 결과 변곡점 월령이 각각 -0.3880, -5.235 및 -0.426월로 성장 기간 중 존재하지 않았다. Gompertz, von Bertalanffy, Logistic 및 Brody 모형에 대한 오차 평균 제곱합은 각각 14.189, 14.083, 14.730 및 14.011로 추정되었으며, 모형 결정 계수는 각각 0.971, 0.972, 0.970 및 0.972로 추정되었 다. 각 모형의 오차 평균 제곱합과 모형 결정 계수의 결과를 종합해보면 Brody 모형이 Jersey 암소의 체고 성장 곡선에 적합도가 좋은 것으로 판단된다.

본 연구는 간호대학생의 성장마인드셋과 임상실습 감정노동이 간호전문직관에 미치는 영향을 파악하고자 수행된 서술적 조사연구이다. 연구대상은 G시의 2개 대학 간호학과에 재학 중인 3, 4학년 학생 이며 자료는 2021년 7월부터 9월까지 수집하였다. 자료는 기술적 통계, t-test, ANOVA, Pearson 상관계 수, 통제회귀분석으로 분석하였다. 연구결과는 다음과 같다. 성장마인드셋은 간호전문직관(β=.325, p<.001)에 정적인 영향을 나타냈고 임상실습 감정노동은 간호전문직관(β=-.099, p=.161)에 통계적으로 영향을 나타내지 않았다. 연구모형은 간호전문직관을 25.4% 설명하는 것으로 확인되었다. 이에 간호대학 생의 간호전문직관을 촉진하기 위해서는 성장마인드셋을 강화시키는 전략들이 필요함을 알 수 있다.

The consumption of Flammulina velutipes mushroom imported from Korea has been associated with the cases of listeriosis in the United States, Canada, and Australia. We investigated the effect of sanitizing the plastic wrapper (used in packaging F. velutipes) with slightly acidic electrolyzed water (SAEW) and ultraviolet C waterproof light-emitting diode (UVC-WLED) on reducing the Listeria monocytogenes. Further, the effect of UVC-LED on L. monocytogenes growth in F. velutipes at different storage temperatures (2, 4, and 10oC) was determined. The combined (SAEW+UVC-W-LED) treatment for 5–10 min reduced 99.9% of bacterial population from the contaminated plastic wrapper. In addition, the UVC-LED treatment for 3 min reduced the L. monocytogenes concentration in F. velutipes by 0.47 log CFU/g. Moreover, the growth of L. monocytogenes in the treated mushrooms was slower than that of the untreated (control) ones. L. monocytogenes concentration in F. velutipes increased over 3 log CFU/g at 2oC and 10oC for 60 and 10 days, respectively. The growth of L. monocytogenes at the bottom of mushrooms was faster than that at the top at both the temperatures. These results indicate that the combined SAEW+UVC-WLED treatment of plastic wrappers and the UVC-LED treatment of mushrooms can be used as potential hurdle technologies to control the risk of L. monocytogenes in mushrooms prior to packaging at farms.

본 연구는 우리나라 Jersey 암소 41두로부터 측정된 체중 데이터를 이용해 Gompertz, von Bertalanffy 및 Logistic 모형의 성장 곡선을 추정하고, 추정된 성장 곡선의 모수를 활용하여 Jersey 암소의 성장 특성에 대해 알아보고자 실시하였다. 추정된 Gompertz, von Bertalanffy 및 Logistic 모형의 성장 곡선 함수식은 각각    ,         및          이었다. Gompertz, von Bertalanffy 및 Logistic 모형에 대해 변곡점은 각각 10.719, 8.4292 및 14.618 개월로 추정되었고, 변곡점 체중은 각각 208.514, 211.347 및 203.548kg으로 추정되었으며, 최대 증체율은 각각 20.851, 21.192 및 21.993 (kg/월)로 추정되었다. 오차 평균 제곱합과 모형 결정 계수의 결과를 종합해보면 von Bertalanffy, Gompertz 그리고 Logistic 모형 순으로 Jersey 암소 성장 곡선에 적합도가 높은 것으로 판단된다.

The present study was conducted to examine the effect of soybean silage as a crude protein supplement for corn silage in the diet of Hanwoo steers. The first experiment was conducted to evaluate the effect of replacing corn silage with soybean silage at different levels on rumen fermentation characteristics in vitro. Commercially-purchased corn silage was replaced with 0, 4, 8, or 12% of soybean silage. Half gram of the substrate was added to 50 mL of buffer and rumen fluid from Hanwoo cows, and then incubated at 39°C for 0, 3, 6, 12, 24, and 48 h. At 24 h, the pH of the control (corn silage only) was lower (p<0.05) than that of soybeansupplemented silages, and the pH numerically increased along with increasing proportions of soybean silage. Other rumen parameters, including gas production, ammonia nitrogen, and total volatile fatty acids, were variable. However, they tended to increase with increasing proportions of soybean silage. In the second experiment, 60 Hanwoo steers were allocated to one of three dietary treatments, namely, CON (concentrate with Italian ryegrass), CS (concentrate with corn silage), CS4% (concentrate with corn silage and 4% of soybean silage). Animals were offered experimental diets for 110 days during the growing period and then finished with typified beef diets that were commercially available to evaluate the effect of soybean silage on animal performance and meat quality. With the soybean silage, the weight gain and feed efficiency of the animal were more significant than those of the other treatments during the growing period (p<0.05). However, the dietary treatments had little effect on meat quality except for meat color. In conclusion, corn silage mixed with soybean silage even at a lower level provided a greater ruminal environment and animal performances, particularly with increased carcass weight and feed efficiency during growing period.

동반성장은 경제적 불평등을 극복하고 대기업과 중소기업 간 지속가능한 성장을 추구하는 한국형 포용적 성장 으로 이는 기업의 사회적 책무이자 경쟁전략이다. 한국중부발전은 해외사업 거점 국가인 인도네시아에 찌레본과 탄중자티 화력발전소 등 5개 발전소를 건설․운영하고 있으며 이들을 협력 중소기업의 수출 전진기지로 활용하여 국내 중소기업의 정비․기자재 수출을 지원하고 있다. 본 연구는 한국중부발전의 동반성장 노력과 차별적 발전모 델을 탐색하고 해외동반진출의 실제 적용 사례를 공유하고자 한다. 이를 위해 한국중부발전의 동반성장 패러다임 변화를 살펴보고 한국중부발전 고유의 중소기업 동반성장 플랫폼인 K-장보고 프로젝트와 지역사회 공헌 사례를 분석한다. 한국중부발전은 해외동반진출협의회를 구성하고 코미포 아시아와 코미포 팩토리를 활용하여 동반성장 기회를 제공함으로써 협력 중소기업의 해외진출을 견인하는 한편, 국내 우수중소기업과의 동반자적 관계를 바탕 으로 운영수익 극대화를 추구할 수 있었다. 본 연구는 네트워크 이론이 시사하는 협력관계를 통한 기업 간 자원 확보와 실질적 성과 개선 사례를 탐색함으로써 성공적인 동반성장을 위한 전략을 도출한다.

The grain growth behavior in the (1-x)K0.5Na0.5NbO3-xCaZrO3 (KNNCZ-x) system is studied as a function of the amount of CZ and grain shape. The (1-x)K0.5Na0.5NbO3-xCaZrO3 (KNNCZ-x) powders are synthesized using a conventional solid-state reaction method. A single orthorhombic phase is observed at x = 0 – 0.03. However, rhombohedral and orthorhombic phases are observed at x = 0.05. The grain growth behavior changes from abnormal grain growth to the suppression of grain growth as the amount of CaZrO3 (CZ) increases. With increasing CZ content, grains become more faceted, and the step-free energy increases. Therefore, the critical growth driving force increases. The grain size distribution broadens with increasing sintering time in KNNCZ-0.05. As a result, some large grains with a driving force larger than the critical driving force for growth exhibit abnormal grain growth behavior during sintering. Therefore, CZ changes the grain growth behavior and microstructure of KNN. Grain growth at the faceted interface of the KNNCZ system occurs via two-dimensional nucleation and growth.