• 대한수의학회지
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• 제30권4호
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• pp.515-523
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• 1990

Plasma progesterone concentrations in 44 suckling Korean native cows were determined to monitor ovarian activity postpartum by radioimmunoassay. Blood samples were collected in 3 day intervals from 15 to 80 days postpartum. The ovaries and uterus were examined in 6 day intervals by rectal palpation. Results are summaried as follows: 1. The cows were qualified into four categories; Type I(normal): cyclic changes in plasma progesterone concentrations appear within 45 days postpartum(35 cows, 79.5%), Type II(cycle delayed): delayed resumption of ovarian activity by 55 days postpartum(5 cows, 11. 4%), Type III(cycle ceased with low progesterone): plasma progesterone concentrations remained low(${\leq}1ng/ml$) until 80 days postpartum(3 cows, 6.8%), Type IV(cycle ceased with high progesterone): plasma progesterone concentrations after 30 days remained high(${\geq}4.0ng/ml$) until 80 days postpartum(1 cow, 2.3%). 2. Out of the cows classified Type II and III, 7 cows had inactive ovaries and a cow had follicular cyst by rectal palpation. The cow of Type IV was diagnosed as bearing persistent corpus luteum by rectal palpation. 3. About 82% of the cows showed significant rises in plasma progesterone concentrations prior to 50 days postpartum and the cows of Type II and III resumed cycles in 31. 6(range 17~55) days after calving. However, 43.2% resumed cycles in 50 days postpartum by estrus signs. These results indicated that plasma progesterone concentrations assessed by radioimmunoassay can be utilized for monitoring postpartum ovarian activity and would be helpful for the early detection of ovarian dysfunction in the Korean native cow.

• 한국수학사학회지
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• 제26권1호
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• pp.21-32
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• 2013

20세기 초에 발생하였던 제1, 2차 세계대전들은 유럽 사회뿐만 아니라, 수학계에도 지대한 손실을 끼쳤다. 1차 세계대전 이후 프랑스를 중심으로 탄생되었던 국제 수학연맹(IMU)은 정치적으로 이용되었던 이유로 해체되어졌고, 제 2차 세계대전이 발생함에 따라 모든 국제 학회모임은 중단되었다. 독일에 나치정권이 들어선 후, 많은 뛰어난 수학자들이 수용소에서 죽음을 맞거나 미국으로 이주하면서 학문의 중심은 유럽에서 미국으로 이동하였다. 전쟁이 끝난 후 심각한 정치 경제 위기에 처한 유럽의 학자들은 수학계를 대변할 능력을 잃었다. 이에 국제적인 의무감을 갖게 된 미국의 스톤(Stone)을 비롯한 수학자들은 정치에 상관없이 모든 나라가 가입할 수 있는 새 IMU를 탄생시킨다. 이 논문은 제2차 세계대전 이후에 IMU의 재탄생 과정과 1950년도의 ICM에서 일어난 일들을 면밀히 알아봄으로써 20세기 중반의 수학계의 발전상을 연구하고자 한다.

• 자원환경지질
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• 제26권1호
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• pp.55-65
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• 1993

Udo Island, some 3 km off the coast of Sungsan Peninsula at the eastern promontory of Cheju Island, occurs in such a regular pattern on the sequences which reprent an excellent example of an eruptive cycle. The island comprises a horseshoe-shaped tuff cone, a nested cinder cone on the crater floor, and a lava delta which extends over northwest from the moat between two cones. The volcanic sequences suggest volcanic processes that start with emergent Surtseyan eruption, progress through Strombolian eruption and end with lava effusion followed by reworking of smooth tephra on the tuff cone. Eruptive environment and hydrology of vent area in the Udo tuff cone are poorly constrained because the stratigraphic units under the tuff cone are unknown. It is thoughl, however, that the tuff cone could be mainly emergent because the present cone deposits show no evidence of marine reworking, and standing body of sea water could play a great role. The emergent volcano is characterized by distinctive steam-explosivity that results primarily from a bulk interaction between rapidly ascending magma and a highly mobile slurry. The sea water gets into the vent by flooding accross or through the top or breach of tephra cone. Udo tuff cone was constructed from Surtseyan eruption which went into with tephra finger jetting activities in the early stage, late interspersed with continuous uprush activities and proceeded to only continuous uprush activities in the last. When the enclosure of the vent by a long-lived tephra barrier would prevent the flooding and thus allow the vent to dry out, the Surtseyan eruption ceased to transmit into Strombolian activities, which constructed a cinder cone on the crater floor of the tuff cone. The Strombolian eruption ceased when magma in the conduit gradually became depleted in gas. In the case of Udo, the last magmatic activity was Hawaiian-type (and/or fountain) which accumulated basalt lava delta. And then the loose tephra of the tuff cone reworked over the moat lava and the northeastern flank.

• International Journal of Industrial Entomology and Biomaterials
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• 제1권2호
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• pp.161-163
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• 2000

To assess effects of cold treatment on pupation and emergence of the mulberry longicorn beetle, Apriona germari, the larvae, which ceased feeding, were exposed to three different temperature regimes (2.5, 5 and 7.5$^{\circ}C$) and preservation periods (50, 80, and l10 days). The results indicated that pupation and emergence rates of A. germari were highest at $7.5^{\circ}C$ for 110 days, 40.7% and 37.0%, respectively, demonstrating that the effect of cold treatment on metamorphosis was approximately 3 to 4 fold stronger than that of nontreatment.

• 복식문화연구
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• 제6권4호
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• pp.203-212
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• 1998

During the Baroque Ages, the underclothes of both sexs developed a new significance. They ceased altogether to be merely utilitarian in function, and were exploited, to a striking degree, to indicate class distinction and sex attraction. Up to this period, as e have seen, the underclothes of men and women had very much the same significance, but from now on there is a division. The male garments are designed mainly to express social rank, the female mainly to attract. The man's shirt is an integral part of the visible costume of the find gentleman. After 1660, The fashion portrayed by the men, exhibiting the shirt extruding between the bottom of the waistcoat and the top of the breeches is still more remarkable and significant. The period is important in that it was the last time that the male attempted to give his under clothing an erotic suggestion. It was their experience that silk and linen garments next to the skin were less liable than wool to harbour lice. Until the era of physical cleanliness opened a century later, woollen undergarments were rarely worn. the nineteenth century accepted cleanliness as a sign of class distinction.

• 대한가정학회지
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• 제40권8호
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• pp.137-152
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• 2002

The purpose of this study is to analyse the discourses about modem motherhood in Western und Korean society in order to find a new basis for the family policy. The general view that motherhood is merely natural ceased to be valid since the early 1980ties. Nowadays one is rather inclined to define motherhood as a social, cultural and historical fact which goes far beyond the biological dimensions. The concept of motherhood which has been useful to fulfil the industralisation in the modem times cannot be applied to the changed world of our times. The family policy which is closely connected with women must not start from the modem motherhood ideology but from the context of the changed life of woman in our times. I hope that this study could contribute to stimulating the discourse about the family policy which takes into consideration the changed living conditions.

• Journal of Chest Surgery
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• 제35권12호
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• pp.902-905
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• 2002

폐엽절제술은 종종 장기간의 공기누출을 초래하기도 한다. 결핵 및 만성폐쇄폐질환으로 치료중인 환자가 우측폐 하엽에 편평상피세포암종이 발견되어 우측 양엽 절제술을 시행하였다. 수술 후 21일까지 지속되는 공기누출과 이에 따른 사강이 해결되지 않아 소아용 도관을 이용하여 인공기복을 만들었다. 인공기복술 직후 공기누출이 감소하여 23일째 멈추었고 수술 후 25일째 흉관을 제거할 수 있었다.

• 미생물학회지
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• 제23권2호
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• pp.101-106
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• 1985

발효액중에 생성된 에탄올의 농도가 균의 성장 및 에탄올 앵성속도에 미치는 영향을 연속발효법으로 연구하였다. 그 결과 생성된 에탄올의 농도 $20g^{-1}$에부터 균의 비성장속도가 급속히 저하되나 에탄올의 생성속도는 에탄올 농도가 $60g^{-1}$ 이상이 되어야 저해되는 것을 알았다. 이러한 현상은 Zymomas mobilis 균에서 특이하게 보고되었던 균성장(Anabolism)과 당대사(catabolism)사이에의 연결에 분리가 일어나는 소위 uncoupling현상이 에탄올 농도에 크게 영향을 받는 것으로 판단되었다.

• The Korean Journal of Pain
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• 제11권1호
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• pp.150-154
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• 1998

Epidural steroid injection have become one of the most frequently applied conservative option for the management of acute and chronic back pain. As the indications for epidural steroid injections increase so do the adverse responses associated with this procedure. This study reports the succession of 3 patients who developed galactorrhea and hyperprolactinemia after recieving an epidural steroid injection for lumbar radiculopathy and low back pain. Serum prolactin level was elevated in accordance with epidural injection of corticosteroid. We measured the serum prolactin level by immunoradiometric assay method and peak serum prolactin level at above 500, 144.2, 150.3 ng/ml respectively. Also we found the serum prolactin level decreased to normal values 3 wks after corticosteroid injection. Galactorrhra ceased in advance of decrease of serum prolactin level. That "Hyperprolactinemia and galactorrhea can occur following epidural steroid injection", requires a much larger prospective investigation.

• 건축역사연구
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• 제11권1호
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• pp.33-48
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• 2002

The purpose of this study is to analyze the Daniel Libeskind' spatial concept in view of the Merleau-Ponty's Phenomenology. After the coming of postmodern architecture, the concept of space ceased to be discussed between architects. Instead a sign and a form were supposed as much more important subject to define architectural discipline. But after 1980, the new concept of architectural space was experimented by the architects like Frank Gehry, Peter Eisenman, Steven Hall, and Bernard Tschumi, which was clearly distinguished from modern spatial concept. By the Daniel Libeskind' architecture, this study are to make clear this tendency. For this, we accept as an important instrument Meleau-Ponty's phenomenology and the spatial concept of Minimalism, which stress the relationship of inter-subjectivity between space and human body. Consequently, Daniel Libeskind' spatial concept is characterized by fragmental, accidental, heterogeneous space by accidental events which is occurred by movement of human, which was indentified with Merleau-Ponty's spatial concept.