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박형대,송채훈 조선대학교 스포츠과학연구소 1998 스포츠科學硏究 Vol.9 No.-
The Present study examined degree of utility satisfaction among 467 private sport facility users in Kwang-ju and Chollanamdo. The results areas follows. Women more participated in sport activities than men. Those who were in their twenties or thirties and Those who possess attainment higher than those of university graduate more participated in sports activity. Most of private sport facility users preferred health related sport activities, such as swimming and body building. Men preferred body building, while women preferred service industry aerobic dance. Professional, technical, administrative and management industry workers more participated in Golf. While sales and service industry workers and masters of independent enterprise more participated in Body building, clerical workers more participated in bowling. Students preferred swimming whereas housewives preferred aerobic dance. There was significant difference of trust, responsness and convince between men and women. There was significant difference of trust and sympathy among ages, marital status and a monthly salary, while there was significant difference of responsness among private sport facility users’ school career
衛星通信에 관한 硏究 : Filter의 性能改善을 中心으로 Especially on the Improvement of Filter Performance
鄭憲相,宋鐵,劉炳守,朴暢均,白亨來,鄭鍾熙,李炅燮 조선대학교 동력자원연구소 1986 動力資源硏究所誌 Vol.8 No.2
There are two kinds of data transmission communication method, namely, Analog communication method and Digital communication method. The latter has many excellent characteristics as compared with the former. In order to design excellent Digital Filter, the window function is studied in this paper. The conventional time-domain windowing requires N/2 stored values of the data window and N multiplications. A class of windows, called binary windows, for the frequency-domain implementation of the Discrete Fourier Transform is proposed. They do not require multiplications or stored constants ; rather, they are replaced by shift and add operations. These windows offer excellent sidelobe behavior compared with the conventional windows.
전무형,이헌준,박정우,안수환 충남대학교부설 생명공학연구소 1992 생물공학연구지 Vol.2 No.-
Aujeszky's disease virus(ADV), NYJ-1 strain, isolated from the diseased piglets in Korea was inactivated with binary ethyleneimine or formalin and absorbed in aluminum hydroxide gel. Safety and humoral and cellular immunogenicity of the antigens were investigated in mouse, guinea pig and piglets. In mouse inoculation test, the antigens showed 100% of safety and induced a significant level of ADV antibody. The protective potency following intracerebral challenge with the virulent ADV at 10^7.5TCID_50/0.2㎖ were 60% to 64.3%. In guinea pig inoculation test, it was found that the antigens were quite safe, inducing 63.2 to 124.9 of virus neutralization(VN) titers at the 5th week post inoculation(pi). The protectivity of the antigens against the challenge of the virulent ADV were 62.5% to 75.0%. In piglet inoculation test, the antigens were quite safe after the primary and booster injections, and induced 28.7 to 39.1 of VN titers at the 5th week pi. The high levels of ADV antibodies were also recognized by agar gel precipitation test, latex agglutination test and immunoenzyme assays. Leucocyte adherence inhibition(LAI) test for the piglets revealed 22.3±3.8% to 32.8±6.9% of LAI index at the 4th week pi, and the evident reactions of delayed type hypersensitivity was observed in subcutaneous inoculation of the antigen to the immunized piglets. Following the challenge, the immunized piglets showed none of specific clinical signs of AD and revealed the higher gain of body weight, and the lower secretion of ADV from the nasal cavity as compared with the control group.
재생 폴리에텔렌의 기계적 성질 : 충격 보강재 효과에 대하여
계형산,강경민,박종훈,정융권,이상환 목원대학교 자연과학연구소 2002 自然科學 硏究論文集 Vol.11 No.2
본 연구는 재활용이 가능한 폴리에틸렌 필름 등에 비산회(Fly Ash) 등의 충진재를 사용하여, 신재와 물성을 비교하여 재생 PE의 재활용 가능성 및 사용 가능한 충진재의 종류를 알아보는데 그 목적이 있다. 또한 본 연구에서는 치합형 동방향 회전 이축 압출기(Fully Intermeshing Co-rotating Twin Screw Extruder)를 이용해서 재생 Polyethylene에 비산회 및 다양한 충진재(filler)를 첨가하여 ASTM에 의거하여 충격시편을 만들었고, 각 충진재의 무게비에 따른 충진재 충격 시험을 하였으며 Capillary Rheometer를 이용하여 유변학적인 성질을 분석해 보았다.
5일 보존용 채혈백에 따른 보존일자별 농축혈소판의 생화학 및 성상 분석
이동범,유태종,김태전,김승곤,신종관,양대형,고광임,박성훈 임상병리검사과학회 2002 임상병리검사과학회지 Vol.34 No.2
Biochemical changes and icon of platelets on platelet concentrates preserved for a 5day term in several plastic containers were investigated. The authors evaluated the TOTM-PVC second generation container produced by Green Cross Medical Corp. and Boin medica. Blood obtained from 40 persons was manufactured for platelet concentrates within 4 hours and each divided into 20 units of platelet concentrations. Samples were taken at 0, 3, and 5days and the platelet count, pH, pO_(2), pCO_(2), HCO_(3)-, glucose, LDH, lactate, electrolytes, and mineral element were tested The number and MPV, for platelets icon, were well preserved on two different platelet concentrates during storage. A test for biochemical function appeared to be effective data. pH was maintained above 6.8 on two different platelet concentrates during storage. The results suggest that the TOTM-PVC second generation platelets storage container produced by Green Cross Medical Corp. and Boin medica was able to preserve platelets for at least five days without lesion and was it concluded to have biochemical efficacy on patients with transfusions.
Association Analysis of CD40 Polymorphisms with Asthma and the Level of Serum Total IgE
Park, Ju Hyun,Chang, Hun Soo,Park, Choon-Sik,Jang, An-Soo,Park, Byung Lae,Rhim, Tai Youn,Uh, Soo-Taek,Kim, Yong Hoon,Chung, Il Yup,Shin, Hyung Doo American Thoracic Society 2007 American journal of respiratory and critical care Vol.175 No.8
Park, Chang-Hun,Park, Hyung-Doo,Lee, Soo-Youn,Kim, Jong-Won,Sohn, Young Bae,Park, Sung Won,Jin, Dong-Kyu Institute for Clinical Science] 2010 Annals of clinical and laboratory science Vol.40 No.3
<P>Pseudohypoparathyroidism (PHP) comprises a heterogeneous group of endocrine disorders with the common feature of resistance to parathormone (PTH), manifested by hypocalcemia, hyperphosphatemia, and elevation of serum PTH despite normal renal function. Herein, the first Korean cases of PHP type Ia are reported. The two patients (6-yr-old female, 7-yr-old male) had typical signs of Albright hereditary osteodystrophy. Genomic DNA was isolated from their peripheral blood leukocytes and the GNAS gene was amplified by PCR and analysed by bidirectional sequencing including all coding exons. Two GNAS mutations were found: c.94A>T and c.344_345insT. Patient 1 had a nonsense mutation of c.94A>T (p. K32X), which has not been previously described; the mother also had c.94A>T, and it therefore was a familial mutation. Patient 2 had a known frame shift mutation for c.344_345insT (p.V117RfsX23). The family members of patient 2 had wild-type sequences. In summary, two Korean patients with PHP-Ia were confirmed by genetic analysis and a novel p.K32X product of the GNAS mutation was identified.</P>
( Hun Jun Park ),( Tai Ho Rho ),( Chan Seok Park ),( Sung Won Jang ),( Woo Seung Shin ),( Yong Seog Oh ),( Man Young Lee ),( Eun Ju Cho ),( Ki Bae Seung ),( Jae Hyung Kim ),( Kyu Bo Choi ) 대한내과학회 2007 The Korean Journal of Internal Medicine Vol.22 No.3
Background: The brachial-ankle pulse wave velocity (baPWV) is a useful parameter to assess arterial stiffness. However, it is difficult to evaluate arterial stiffness in hypertensive patients because the baPWV is affected by the blood pressure itself. This study was designed to estimate the relationship between the change of the blood pressure parameters and the baPWV (ΔbaPWV) when hypertensive patients were subjected to an acute reduction of blood pressure. Methods: Thirty patients with essential hypertension and whose blood pressure was higher than 140/90 mmHg were enrolled. In all the patients, the blood pressure and baPWV were measured using an automatic waveform analyzer with the patients at a resting state. When the reduction of blood pressure was more than 10 mmHg after sublingual administration of nifedipine 10 mg, then the blood pressure and baPWV were measured again in the same manner and then they were compared with the baseline values. Spearman`s correlation and multiple linear regression tests were performed to estimate the relationship between the change of the blood pressure parameters (ΔSBP, ΔDBP, ΔMAP and ΔPP) and the ΔbaPWV. Results: The baPWV was significantly decreased shortly after the administration of nifedipine (1903.6±305.2 cm/sec vs. 1716±252.0 cm/sec, respectively, p<0.01). The ΔbaPWV was correlated with the ΔSBP (r=0.550, p<0.01), ΔDBP (r=0.386, p<0.05), ΔMAP (r=0.441, p<0.05), and ΔPP (r=0.442. p<0.05). On the multiple regression analysis, the ΔSBP was the only significant variable for predicting the ΔbaPWV, and the linear equation was ΔbaPWV=8.7×SBP-48. Conclusions: The baPWV is affected by the systolic blood pressure level to a large degree and careful attention must be paid to the blood pressure level when evaluating arterial stiffness with using the baPWV.