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종 분포 모형을 이용한 구상나무림의 지속 및 쇠퇴에 관한 연구 - 전라남도 광양시 백운산을 중심으로 -
조선희 ( Seon Hee Cho ),박종영 ( Jong Young Park ),박정호 ( Jeong Ho Park ),이양근 ( Yang Geun Lee ),문이만 ( Lee Man Mun ),강상호 ( Sang Ho Kang ),김광현 ( Gwang Hyun Kim ),윤종국 ( Jong Guk Yun ) 한국산림과학회 2015 한국산림과학회지 Vol.104 No.3
The present study investigated the habitats of Korean fir trees (Abies koreana E. H. Wilson) on Mt. Baekwun (Baekwun-san), determined the current distribution, quantified the contribution of biological and nonbiological environmental factors affecting the distribution, derived actual and potential habitats, presented a plan for the establishment of protected areas, applied RCP 8.5 climate change scenario to analyze the effects of climate change on the future distribution of Korean fir trees, and predicted future potential habitats. According to the results of the study, 3,325 Korean fir trees (DBH >= 2.5 cm) inhabited Mt. Baekwun, and their distribution area was approximately 150 ha. Populations of Korean fir trees were confirmed to exist at an altitude of 900 m above sea level and were distributed up to 1,200 m. Based on potential distribution, areas appropriate for habitation by Korean fir trees were analyzed to be 450 ha, three times the current distribution area, with a focus on Sang Peak (Sang-bong), Eokbul Peak (Eokbul-bong), Ddari Peak (Ddari-bong), and Dosol Peak (Dosol-bong). The forest stands near Sang Peak, the main peak, were evaluated as those with the most appropriate potential for the habitation of Korean fir trees, and populations of the trees tended to prefer the northern slope rather than the southern slope. When climate change scenario RCP 8.5 was applied and future potential distribution was analyzed, the habitats were expected to decrease in area to 20 ha by 2050, with a focus on Sang Peak, and areas appropriate for habitation were predicted not to exist by 2080. Judging from such results, as global warming accelerates, the habitats of Korean fir trees are clearly expected to move from lowlands to highlands.
성음(聲音)과 언어(言語)에 관(關)한 문헌적(文獻的) 고찰(考察)
정희재,오태환,정승기,이형구,Jeong, Hee-Jae,Oh, Tae-Hwan,Jung, Sung-Gi,Rhee, Hyung-Koo 대한한방내과학회 1991 大韓韓方內科學會誌 Vol.12 No.1
The results of the investigation of literature were summerized as follows ; 1. Information of voice, the pharynx, the larynx, the epiglottis, the uvula and the hyoid bone were concerned. 2. In disorders of voice and speech, Lung channel, Stomach channel, Spleen channel, Heart channel, Liver channel, Kidney channel, Im channel (任脈), and Chung channel (衝脈) were concerned. 3. The disorders of voice and speech were showed as follows ; aphonia, ashasia, seong-shi (?嘶), seom-eo(?語) kwang-eo (狂語), jeong-seong (鄭?), dok-eo (獨語) and chak-eo (錯語). 4. The cause of Aphonia and Aphasia were freauently as follows ; abnormal rising of Liver energy (肝邪暴逆), excessive heart fire (心火太過), deficiency of heart-blood (心血太虛), apoplexy of heart spleen (心脾俱中風), consumption of lung fluid caused by heat evil (肺津被灼), deficiency of lung energy (肺氣虛寒) and dificiency of kidney energy (腎虛). 5. The cause of seom-eo, kwang-eo, Jeong-seong were as follows ; the heart of stomach (胃中熱), the heat evil attach the blood chamber (血人血室) and the consumption of healthy energy (精氣奪). 6. In disorders of voice and speech, flaceid tong with aphasia (舌?) and aphasia due to throat disease (喉?) were divided.
Sung-Hee Cho,Jeong-Hee Jang,Ji Young Yoon,Chi-Dong Han,Youngsun Choi,Sang-Won Choi 한국영양학회 2011 Nutrition Research and Practice Vol.5 No.1
We conducted this study to examine the effects of safflower seed granular tea containing physiologically active polyphenols on antioxidative activities and bone metabolism. Forty postmenopausal women ages 49 to 64-years were recruited from Daegu and Gyeongbuk and were randomly assigned to either a safflower tea supplement (Saf-tea) group (n = 27) or a placebo group (n = 13). The Saf-tea group received 20 g of safflower seed granule tea per day containing a 13% ethanol extract of defatted safflower seeds, whereas the placebo group received a similar type of tea that lacked the ethanol extract. No significant changes in nutrient intake for either the placebo or Saf-tea groups were observed before or after the study period, except vitamin A intake increased after 6 months in the Saf-tea group. Dietary phytoestrogen intakes were similar in the Saf-tea group (60.3 ㎎) and placebo group (52.5 ㎎). Significant increases in plasma genistein and enterolactone were observed in the Saf-tea group. After 6 months of supplementation, serum levels of antioxidant vitamins such as α-tocopherol and ascorbic acid increased significantly, and TBARS levels decreased in the Saf-tea group compared to the placebo group. Serum osteocalcin levels were reduced (P < 0.05) in the Saf-tea group after 6 months, whereas serum osteocalcin did not change in the placebo group. Urinary deoxypyridinoline/creatinine excretion was not different between the two groups at baseline, and did not change in either group after 6 months. Bone mineral density decreased significantly in the placebo group (P < 0.01) but not in the supplemented group. It was concluded that polyphenols (72 ㎎/day), including serotonin derivatives, in the Saf-tea had both antioxidant and potential bone protecting effects in postmenopausal women without liver toxicity.
Jeong, Hyung Joo,Ahn, Yo Han,Park, Eujin,Choi, Youngrok,Yi, Nam-Joon,Ko, Jae Sung,Min, Sang Il,Ha, Jong Won,Ha, Il-Soo,Cheong, Hae Il,Kang, Hee Gyung The Korean Pediatric Society 2017 Clinical and Experimental Pediatrics (CEP) Vol.60 No.3
Purpose: To evaluate the clinical spectrum of posttransplantation lymphoproliferative disorder (PTLD) after solid organ transplantation (SOT) in children. Methods: We retrospectively reviewed the medical records of 18 patients with PTLD who underwent liver (LT) or kidney transplantation (KT) between January 1995 and December 2014 in Seoul National University Children's Hospital. Results: Eighteen patients (3.9% of pediatric SOTs; LT:KT, 11:7; male to female, 9:9) were diagnosed as having PTLD over the last 2 decades (4.8% for LT and 2.9% for KT). PTLD usually presented with fever or gastrointestinal symptoms in a median period of 7 months after SOT. Eight cases had malignant lesions, and all the patients except one had evidence of Epstein-Barr virus (EBV) involvement, assessed by using in situ hybridization of tumor tissue or EBV viral load quantitation of blood. Remission was achieved in all patients with reduction of immunosuppression and/or rituximab therapy or chemotherapy, although 1 patient had allograft kidney loss and another died from complications of chemotherapy. The first case of PTLD was encountered after the introduction of tacrolimus for pediatric SOT in 2003. The recent increase in PTLD incidence in KT coincided with modification of clinical practice since 2012 to increase the tacrolimus trough level. Conclusion: While the outcome was favorable in that all patients achieved complete remission, some patients still had allograft loss or mortality. To prevent PTLD and improve its outcome, monitoring for EBV infection is essential, which would lead to appropriate modification of immunosuppression and enhanced surveillance for PTLD.
Sung, Je-Hong,Lee, Joon-Hyung,Kim, Jeong-Joo,Lee, Hee-Young,Cho, Sang-Hee The Korean Ceramic Society 2003 한국세라믹학회지 Vol.40 No.4
The phase development process of $Ba_2$ $Ti_{9}$ $O_{20}$ ceramics is not clearly known and frequently accompanies second phases which deteriorate dielectric properties. In synthesizing $Ba_2$ $Ti_{9}$ $O_{20}$ ceramics, in order to trace the reaction sequence during conventional solid-state reaction in BaO-Ti $O_2$ system, different barium sources of BaC0$_3$ and BaTi0$_3$ precursor were used as starting materials. From the analysis of XRD patterns, different secondary phases could be identified depending on the barium source used, which might mean that the equilibrium phases in BaO-Ti $O_2$ system are very difficult to be synthesized. Because the BaTi0$_3$ precursor provides short diffusion paths of ions, the system revealed less secondary phases during solid state reaction. In synthesizing BaO-xSm$_2$0$_3$-4.5Ti0$_2$ system using different barium sources, different secondary phases were developed also. Microstructure and dielectric properties were examined and discussed in terms of secondary phase development.