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        MMA 증후군 모돈에서 생봉독의 치료효과

        최화석,강석수,최향순,박석천,정성일,조성구 한국임상수의학회 1999 한국임상수의학회지 Vol.16 No.2

        This study was designed to examine the clincotherapeutic effect of natural honeybee (Apis mellifera) venom in sows with mastitis, metritis and agalactia (MMA) syndrome. Sows with MMA syndrome after parturition were assigned to treated and nontreated control groups. In treated group, 22 sows were bee acupunctured once a day for 3 consecutive days. Acupuncture points of Jiao-chao (GV-1, at the indentation between the base of tail and the anus), Yang-ming (ST-18, outside at the base of teat) and Hai-men (ST-25, about 1 cm lateral to the umbilicus) were stung by the natural honeybees. In control group, 20 sows were intramuscularly injected with a standard dosage of penicillin G (400,000 IU/kg of body weight) once a day for 3 consecutive days. At post-treatment, 85.0% of control sows and 90.9% of sows in treated group recovered from MMA syndrome. Bee acupuncture therapy didn't show any side effects such as allergy, intoxication, hemorrhage, or infection. It might be concluded that apitherapy was effective in controlling of sows with MMA syndrome.

      • Rate of Sediment Accumulation and Magnetic Susceptibility of Continental Shelf Sediments around the Cheju Island, Korea

        윤정수,강석수 제주대학교 해양연구소 1997 해양자원연구소연구보고 Vol.21 No.-

        The sediments in the study area are subdivided into twelve textural classes, namely clayey sand, slightly gravelly muddy sand. muddy sand, sand, sandy mud, sandy clay, mud and clay. The coarse sediments are distributed in the southeastern parts and around the Island. whereas the coarse and fine-grained mixed sediments are distributed in the central and northeastern region, and the fine-grained deposits are mainly distributed in the western part of the study area. Small scale mud patchs are distributed in the southwestern. and northern parts of the Island. The carbonate content(21.6% on average) are commonly abundant in sandsize sediments. whereas total organic matter(6.62% on average) are usually decreases with increasing mean grain size. The use of Pb-210 geochronologies to estimate sedimentation rate ranges from 0.20 to 0.54 cm/yr or 0.15~0.42 g/㎠/yr. This suggests a maximum accumulation rate in the study region given ignoring the mixing effect. The sedimentation rates in cores J-101 and J-134 near the Changjiang River estuary show 0.45~0.54 cm/yr. and the flux of Pb-210 in this region is 1.48~2.31 dpm/㎠/yr. but two core J-138 and J-142 far from the Changjiang estuary show 0.20-0.22 cm/yr and 0.36-0.57 dpm/㎠/yr respectively, which is much lower than above two samples. The decrease in accumulation rate with increasing water depth may be result of progressive seaward depletion of influx and reworking of detrital materials. The sedimentation rate in cores J-59 and J-91 around the Cheju Island show 0.21~0.44 cm/yr and the Pb-210 flux of 0.84-1.44 dpm/㎠/yr is measured. indicating that the terrigenous materials from the Island were supplied to this environment. The sedimentation rate measured using two peak concentration of Cs-137 in a sediment profiles J-59, J-13 and J-142 ranges from 0.12 to 0.30cm/yr. which agree well the Pb-21 calculated data 0.20-0.22cm/yr from that at same samples. but a comparison sedimentation rate in cores J-91, J-101 and J-134 measured by Cs-137(0.16-0.30 cm/yr) and calculated from Pb-210(0.44-0.54 cm/yr) show that in the studied core profiles. the Cs-137 survey data underestimate the sedimentation rate measured by Pb-210 data. Its presumably the result of difference in the behavior of Pb-210 and Cs-137 in natural water column. Measurements of magnetic susceptibility of continental shelf sediments around the Cheju Island revealed two areas of anomalously high values: surrounding the Cheju inshore area. due to the influx and reworking of detrital volcanic materials distributed in the Cheju Island. and toward the mouth of Chanjiang River. suggesting due to the iron and steel works in the Changjiang estuary recently. It was observed that low susceptibility values correspond to a high proportion of coarse sediment, whereas high susceptibility values correspond to silt and clay fraction. Down core variation in susceptibility shows a series of maximum and minimum which correlated with horizons of fine-and coarser particles respectively. that can possibly be used to establish a lithostratigraphy.

      • 제주도 용천수의 지역별 수량변화

        윤정수,박상운,강석수,현영진 제주대학교 환경연구소 1998 환경연구논문집 : 제주대 Vol.6 No.-

        This study purposes to elucidate the effects of changes in precipitation and tide level on the spring water discharge quantity in Cheju Island. For this purposes. local and seasonal variations of discharge quantity have been measured at representive 19 springs covering the entire Island. In the middle mountain region, the discharge quantity is largely influenced by the precipitation, but it has a little relationship with the precipitation in the western region and the southern region. In the eastern region, influence of tide is larger than the precipitation, and the northern region is influenced by both precipitation and tide. In the entire study area, the spring water discharge reaches at maximum in the wet season of July, and shows minimum in the dry season from December to February. The discharge variation in the middle mountain and north regions is two to three times as large as that in the other regions. The comparison of the results of ths study with existing data shows discharge increase at the inch'onk'mul(about 6.000㎥) in the eastern region, Kwakgimul(about 7,000㎥) in the western region, Kangjungchun (about 11.000㎥ : WRDC), Jaguri(about 5,000㎥ : AFDC), Gongchunpo (about 3.000㎥) in the southern region, Yongyeanchun(about 1,500㎥) in the northern region, whde the discharge decrease at Sernurungmul(about 5,000㎥) in the eastern region, Ongpochun(about 10.000㎥) in the western region, Hwasun Dokmul(about 1,500㎥), Kangjungchun( about 28,000㎥ : AFDC), Jaguri(about 43,000㎥ ; WRDC) in the southern region, Sanjimul( about 3.500m3), Oleamul( about 6,200m3) in the northern region. In the Yongyeanchun, tide intimately influences quantity, electrical conductivity, level and temperature of spring water. The spring water in the Yongyeanchun discharges for 17 hours during the hgh tide, then undlscharged for 11 hours during the low tide.

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