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박종협,김문집 순천향대학교 기초과학연구소 2000 순천향자연과학연구 논문집 Vol.6 No.2
The purpose of this study was to explore more desirable direction for integrated science curriculum, by looking into foreign studies and recent trend on integrated science, analyzing our country's middle school science curriculum and making some proposals about the same. The findings of this study were as below: First, appropriate contents should be selected and organized according to the object of curriculum in order to realize it successfully. Second, scientific knowledge and inquiry activities required to have students well grounded in science should be grouped into basic and enrichment courses separately to ensure level-based learning. Third, abstract learning materials should be increased gradually with the advance of grade to inspire more learning interest in students. Fourth, learning contents should have higher tractsfer effect, and should be organized to help students acquire an consistent concept of science. Fifth, students should be encouraged to find scientific concept and principle in natural phenomenon and get an systematic understanding of them. The above-mentioned findings suggested that, in order to put integrated science curriculum on the right track in middle school, a variety of programs should be developed to further self-directed, phase- in learning and improve creativity.
徐日煥,金光柱,徐種命,李珍昊,林星秀,金文執 충남대학교 1990 忠南科學硏究誌 Vol.17 No.1
結晶들의 外的인 모양은 매우 規則的이며 많은 對稱性을보인다. 結晶들이 나타내는 外的인 對稱要素들은 10가지로 分類되는데 이 對稱要素들은 모든 結晶들을 7個의 系로 分類한다. 이 對稱要素들이 한 固定點올 지나도록 모을 수 있는 個別의 集合의 數는 32個뿐으로 이를 三次元的 點群이라 한다. 이 論題에서는 32個 點群을 誘導하고 整理하였다. Crystals are very regular in external shape and clearly exhibit a great deal of symmetry. The external symmetry elements exhibited by crystals are categorized into a limited number of ten and they classify all crystals into the seven crystal systems. The total number of distinctly different sets of the symmetry elements passing through a fixed point comes out to be only thirty two which are termed as the three-dimensional point groups. The thirty two point groups are derived and summarized here.
N-Tosyl Calix[4]arene Azacrown Ether, $C_{45}H_{49}NO_6S$
Kim, Jong-Seung,Kim, Moon-Jib,Choo, Geum-Hong,Lee, Jin-Ho,Suh, Il-Hwan Korea Crystallographic Association 1999 韓國結晶學會誌 Vol.10 No.1
The calix[4]arene molecule adopting the 1,3-alternate conformation forms a square cavity, and two pair phenyl rings lying above and below a least-square plane defined by the four bridging methylene groups in the calix[4]arene are widened upwards and downwards, respectively, from central axis, which leads to O1-O4=4.064 and O2-O3=3.864 . Two propyloxy groups are stabilized with all trans conformations, but the rather short azacrown ether chain with two oxygen atoms includes cis/trans conformations with O1-C35=2.906 . Therefore the cavity does not seem to be big enough to form a host-guest complex.
신경섬유종증-제 2형의 진단과 치료 : 16례의 임상경험 Experience of 16 Cases
김정은,백선하,김종수,이상형,오창완,김동규,정희원,김현집,조병규,한대희,최길수 대한신경외과학회 1996 Journal of Korean neurosurgical society Vol.25 No.12
Neurofibromatosis type 2(NF-2) is a dominantly inherited disorder characterized by the occurrence of bilateral acoustic neurinomas and the frequent association of other central nervous system tumors. We present a retrospective review of 16 patients with NF-2 who were treated at our hospital from 1984 to 1995 in 13 cases, the diagnoses of Nf-2 were based on the criteria developed at the Consensus Development Conference of National Institute of Health in the United States, and in another 3 cases. the criterias of NF-2 were not fully satisfied, but the diagnoses of NF-2 were highly suspected. The average age of the patients was 27.6 years, ranging from 13 years to 56 years. The most common symptom was hearing difficulty : intervals between symptom onset and deafness ranged from 8 months to 6 years(mean : 2.9 years) One family of NF-2 was documented consisting of a sister a brother and their mother. Nine patients underwent operations on unilateral acoustic neurinomas : these were subtotally removed in eight patients and totally in one patient Among these patients five were deaf on the ipsilateral side at surgery. Among the other four patients with useful hearing before surgery, hearing was preserved to preoperative status in two patients. Four patients with diagnoses of meningioma, received operations to relieve mass effect with subtotal removal in two patients and total removal in the other two. Early diagnosis and treatment are the most important in the management planning of patients with NF-2 for reasons of early manifestation and rapid progression of the disease.
Kim, Hyung Joong,Lee, Jong Jib,Kim, Jin-Chul,Kim, Youn Cheol Elsevier 2010 Journal of industrial and engineering chemistry Vol.16 No.3
<P><B>Abstract</B></P><P>The non-isothermal crystallization behavior and silicate dispersion of high-density polyethylene (HDPE)/modified montmorillonite (20A) composites containing starch masterbatch (starch MB) were investigated by differential scanning calorimetry (DSC), X-ray diffraction (XRD), and transmission electron microscope (TEM). The dispersion of 20A in HDPE matrix depended on the starch content. The Avrami analysis shows that the non-isothermal crystallization process of the HDPE/20A composites followed the Avrami equation with Avrami exponent value in the range of 1.5–2.5. The activation energies calculated by Kissinger method were 350kJ/mol for HDPE-5, 462kJ/mol for HD90-5, 542kJ/mol for HD80-5, and 411kJ/mol for HD70-5. The activities of nucleation of HD90-5 and HD80-5 were 0.89 and 0.88, respectively but the value of HD70-5 was 0.61. These behaviors can be interpreted by the fact that the increase of the starch MB content enhances the dispersion of clay in HDPE matrix and the good dispersion of 20A affects the degree of super cooling and the nucleation activity of silicate.</P>
Distribution of Micronutrients in Plastic Film House Soils of Yeongnam Province
Jong-Bae Chung(정종배),Bok-Jin Kim(김복진),Kwan-Sig Ryu(유관식),Seung-Ho Lee(이승호),Hyun-Jin Shin(신현진),Tae-Kyung Hwang(황태경),Hee-Youl Choi(최희열),Yong-Woo Lee(이용우),Yoon-Jeong Lee(이윤정),Jong-Jib Kim(김종집) 한국토양비료학회 2006 한국토양비료학회지 Vol.39 No.4
25,27-Bis(1-propyloxy)calix[4]arene-26,28-[(5',6')(14',15')-dibenzo]crown-7, $C_{54}H_{58}O_9$
Kim, Jong-Seung,Kim, Moon-Jib,Lee, Jin-Ho,Kim, Jin-Gyu,Suh, Il-Hwan Korea Crystallographic Association 1999 韓國結晶學會誌 Vol.10 No.1
The title compound consisting of a calix[4]arene molecule with four phenyl rings arranged alternately in anti-orientation fashion, two propyloxy groups attached on the upper rim of calix[4]arene, and polyther chain with two phyenyl rings attached on the lower rim of calix[4]arene offers a big cavity inside a molecule with might a potential for forming host-guest complexes.
Ki Hong Kim,Hwan Jong Jeong,Hyeon Jib Kim,Byung Kwan Kim 대한의학레이저학회 2022 MEDICAL LASERS Vol.11 No.1
Background and ObjectivesThe use of ballistic movements during resistance exercises can improve the efficiency of force and change the momentum and muscle activity due to the selective mobilization of the motor unit. This study was conducted to analyze the number of repetitions, exercise time, and body muscle activity during traditional resistance and ballistic resistance exercises.Materials and MethodsEight males in their 20s were selected as the study subjects and two exercise types (non-ballistic, ballistic) were performed. The following results were obtained by measuring the number of repetitions, exercise time, and the electromyography (EMG) response during exercise.ResultsFirst, there was a statistically significant difference in the number of repetitions with the ballistic movement during the standing shoulder press (p = .037). Second, there was a statistically significant difference in the exercise time with the ballistic movement during the standing shoulder press (p= .042). Third, there was a statistically significant difference in the erector spinae (p = .002), rectus femoris (p = .001), gastrocnemius (p = .012) activity with the ballistic movement during the standing shoulder press.ConclusionIt was confirmed that muscle activity and power output could be changed with the use of ballistic movements.
Yang-Kil Kim,Mi-Ja Lee,Jong-Nae Hyun,Seong-Bum Baek,Jong-Chul Park,Jai-Hyun Jeung,Hong-Jib Choi,Su-Hyun Cho,Mi-Jung Kim,Hyoung-Ho Park,Jae-Seong Choi,Tae-Su Kim,Kee-Jong, kim,Ki-Hun Park 한국육종학회 2012 한국육종학회 심포지엄 Vol.2012 No.07
Improvement of winter hardiness, diseases resistance and good quality have been recently received more attention by covered barley(Hordeum vulgare L.) breeders than ever in Korea. “Hyegang”, a new covered barley cultivar with similar maturing and high yield was developed by the National Institute of Crop Science, RDA in 2011. It was derived from the cross between “Milyang87/NWX-GB-G 2” and “Milyang87/Chalbori” with good quality. The initial cross was done in 2000 and the selected line, “Iksan445” (YB4625-B-B-6-2), showed high yield and good quality characteristics under yield trial test in 2008. It was cultivated three times for three years (2009~2011) in the four locations of regional yield trial (RYT) in korea and was investigated about agronomic and quality characteristics and released as “Hyegang”. The heading date was May 4 in upland and April 26 in paddy field which was 1 and 0 day lateness respectively than that of check cultivar, “Olbori”. The culm length was 77 cm which was 6 cm shorter than that with check cultivar. It showed the spike length of 4.7 cm, 800 spikes / m2, 64 grains / spike and 25.1g for 1,000 grains weight. It showed similar maturing and stronger resistance to barley yellow mosaic virus (BaYMV) compare to check cultivar. It showed higher diastatic power 216DP than that of check cultivar, ‘Olbori’. Average yield of “Hyegang” in the RYT was 4.61 MT/ha in upland and 4.38 MT/ha in paddy field, espectively.
성인 급성 골수성 백혈병 환자의 관해후 장기 생존율을 얻기 위한 치료 방침 - 골수이식과 항암요법의 생존율 비교 -
이종욱 ( Lee Jong Ug ),민창기 ( Min Chang Gi ),김동욱 ( Kim Dong Ug ),진종률 ( Jin Jong Lyul ),한치화 ( Han Chi Hwa ),민우성 ( Min U Seong ),박종원 ( Park Jong Won ),김춘추 ( Kim Chun Chu ),김동집 ( Kim Dong Jib ),한창순 ( Han Cha 대한내과학회 1993 대한내과학회지 Vol.44 No.4
Background: Although substantial progress in the treatment of acute myelogenous leukemia (AML) has produced complete remission (CR) in 60% to 80% of patients receiving induction chemotherapy, the median remissio duration is about 12 months and only 20% to 35% of patients undergoing consolidation chemotherapy achive long-term disease-free survival (DFS). Allogenei bone marrow transplantation (BMT) in first remission has resulted in a 45% to 65% overall survival rate. Methods: From July 1986 to December 1991, 92 patients with AML who had reached a CR following induction chemotherapy were assigned to a retrospective study comparing allogeneic BMT with consolidation chemotherapy as a postremission treatment. The results in 16 patients, aged 16 to 40 years, who underwent a HLA matched BMT in first remission were compared with those in 41 patients, age-matched, lacked an HLA-identical sibling, treated with one or more cycles of consolidation chemotherapy. Results: 1) After a median follow-up of 21 months (3~57 months), the acturaial DFS at 4 years was significantly higher in the transplantation group than in the chemotherapy group (66% v 27%; p<0.05), and the actuarial probability of leukemic relapse was considerably lower in the group treated with BMT (24% v 69%; p<0.005). 2) The median survival and DFS has not yet been reached for BMT group, and 17 months, 13 months, respectively for chemotherapy group. 3) Treatment-reached mortality was similar in both groups (13% in BMT group, 10% in chemotherapy group). Conclusion: Our results show that allogeneic BMT appears to be superior to consolidation chemotherapy and offers the best chance of long-term DFS in patients with AML in first remission. It will therefore be appropriate postremission treatment strategy to undergo allogeneic BMT for patients with AML in first remission under the age of 40 who have an HLA-identical sibling donor.