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( Kim¸ J. S. ),( S. Y. Piao ),( X. Y. Jin ),( J. I. Lee ),( M. Tay ) 강원대학교 농업생명과학연구원(구 농업과학연구소) 2020 강원 농업생명환경연구 Vol.32 No.S
Globally, the poultry industry has a significant economic role, especially in Africa, where small farm holders contribute substantially to the national gross domestic product (GDP). Poultry feeding costs are rapidly increasing and account for over 60 percent of the production costs, but efficient feed formulation practices are a sustainable way of reducing the price. Ghanaian farmers use methods such as the rule of thumb, personal experience, and intuition to solve feed formulation problems. This study showed that the least-cost starter ration price decreased by 1.61%, and the least-cost finisher ration price decreased by 4.48%, indicating that non-conventional feed ingredients have a high economic value.
신생아 사망을 초래한 제대 점액양변성 낭종의 산전진단 1 례
김정연,송찬호,김세광,박용원,조재성,김지수,김행수,송지홍 대한산부인과학회 1994 Obstetrics & Gynecology Science Vol.37 No.7
저자들은 임신 37주에 양수과다증을 보인 초산부에서, 초음파검사로 제대 점액양변성 낭종을 산전 진단한 후, 태아곤란증으로 응급제왕절개술을 시행하였으나, 신생아 사망을 초래하였던 1예를 경험하였기에, 문헌고찰과 함께 보고하는 바이다. Degenerative areas with accumulation of mucoids in Whartons jelly are not uncommon. Such degeneration may occasionally be so pronounced as to cause cyst formation. Mucoid degenerative cyst of the umbilical cord associated with neonatal death has been reported rarely in literature. Recently we experienced a case of neonatal death caused by mucoid degenerative cysts of the umbilical cord. A 26-year-old primigravida woman was referred for ultrasound examination at 37 weeks gestation. Ultrasonography revealed two cystic masses in the umbilical cord which were located weveral centimeters away from the fetal umbilicus and hydramnios. Emergency cesarean section was taken due to late deceleration during progress of labor on the 37 weeks gestation. The woman delivered a live 2290 g male infant with Apgar scores of 2 and 3 at one and five minutes. Soon later, we performed resuscitation due to apnea. But the neonate died at one hour after delivery. Two mucoid degenerative cysts with dimention fo 3.5*2.5Cm and 2*1 Cm were located 2 Cm and 5 Cm away from the neonatal umbilicus. We present this case with brief review of the literatures.
송찬호,김재욱,김세광,조재성,김태윤,김행수,김경수,김현욱 대한산부인과학회 1996 Obstetrics & Gynecology Science Vol.39 No.8
This study was undertaken to determine both the prevalence of the red cell irregular antibodies and the clinical significance of such antibodies in pregnant women. Among 1.047 patients who received complete prenatal care at the Severance Hospital, Yonsei Medical Center, 22(2.1%) were found to have irregular antibodies. The encountered irregular antibodies in order of frequency were : anti-D(7), anti-Le^a(5), anti-E(2), anti-Le^b(2), anti-E+c(1), anti-Le^a+b(1), anti-Jr^3(1), warm auto(1), cold(1), and unidentified(1). The antecedent maternal risk factors for development of irreaular antibodies such as previous abortion, Cesarean birth, or blood transfusion were observed in 17 patients(77.3%). Seven of the 22(31.8% 0 patients with irregular antibodies delevered infants with hemolytic disease. Only one of these seven required an exchange transfusion. Of the remaining 15 pregnancies with irregular antibodies, they showed normal perinatal outcomes. Our data suggests that irregular antibody screening in all prenatal patients is clinically useful for predicting the likelihood of hemolytic disease of the newborn.
임신중기 원인불명 모체혈청 알파태아단백치 상승 산모의 주산기 예후
송찬호,양영호,김세광,김인규,박용원,조재성,김지수,김행수 대한산부인과학회 1995 Obstetrics & Gynecology Science Vol.38 No.1
임신 15주에서 20주사이에 MSAFP치가 2.5 MoM이상을 보인 산모중 재태연령이 정확히 확 인되고 초음파검사상 다태아, 태아 사망, 태아 선천성기형 등이 발견되지 않았던 원인불명 MSAFP 상승 산모군과 MSAFP가 0.25MoM과 2.5MoM 사이의 정상대조군 산모사이의 주산기 예후를 비교분석하였다. 전체 1,731명의 산모중 원인불명 MSAFP 상승산모는 35명으로 2.0%의 발생빈도를 보였다. 이들 원인불명 MSAFP 상승 산모중 21명에서 양수천자를 시행받았으며 모두 정상 핵형 소 견을 보였다. 이들 원인불명 MSAFP 상승 산모군에서 정상 대조군 산모에 비해 태아의 선 천성기형(6.9% versus 1.0% ; P$lt;.05) 과 태아사망 (13.8% versus 0.4% ; P$lt;.001)의 발생빈도 는 유의하게 높았으나 조산, 자궁내 태아발육지연, 저체중아 및 임신성 고혈압 등의 발생빈도는 2군간에 유의한 차이가 없었다. 결론적으로 임신중기 원인불명 MSAFP 상승시 태아기 형 및 태아사망 발생위험이 증가됨을 산모에게 주지시켜 주는 것이 중요하며 이들은 분만시 까지 태아안녕 평가검사 등으로 철저한 추적관찰이 필요하다고 사료된다. We conducted this sutdy to investigate whether patients with unexplained midtrimester elevation of maternal serum alpha-fetoproten (MSAFP) are at increased risk for adverse perinatal outcomes. The inclusion criteria for patients with unexplained MSAFP elevations were a MSAFP level 2.5 or greater multiples of median (MoM), a single gestation, a confirmed gestional age, and no fetal malformation or death on ultrasonography. Patients with MSAFP levels 0.25 to $lt; 2.5 MoM served as controls. Maternal blood as drawn at 15-20 weeks estimated gestional age. Of the 1,731 patients screened, 35(2.0%) had an unexplained elevated MSAFP level. 21 of 29 patients with unexplained MSAFP elevations accepted genetic amniocentesis and the fetal karyotypes were normal in all cases. Patients with unexplained MSAFP levels had significantly higher incidence of fetal congenital malformation (6.9% versus 1.0% ; P$lt;.05) and fetal death (13.8% versus 0.4% ; P$lt;.001) than those with normal MSAFP. But no significant differences were observed in the incidence of preterm delivery, intrauterine growth retardation, low birth weight, and pregnancy-induced hypertension. This study suggests that patients with unexplained midtrimester elevations of MSAFP are incresed risk for fetal congenital malformation and fetal death. Careful clinical follow-up elevations is warranted in these patients.
導入 機器의 效率的 活用을 위한 敎授-學習 敎材의 開發 : 8 個 學科 共同 硏究
李昌甲,孟琦錫,李載元,朴萬植,廷吉煥,金鍾悟,朴景采,李英浩,李東周,邕章祐,柳盛淵,趙澤東,姜理錫,李殷雄,李興浩,金健中,韓相玉,金良模,張錫明,朴俊灝,洪鳳植,金太均,金再韓,宋海永,盧載星 충남대학교 공업교육연구소 1982 論文集 Vol.5 No.1
In this study, through the combined effort and collaboration of 8 engineering education departments, teaching-learning processes and models were reviewed, and printed and bound student manuals developed on 120 different tasks and subjects. Audio-visual supportive material, already in use in laboratories, was added to form a complete teaching-learning package. In addition to promoting the maximum use of the newly acquired equipment, this study will also contribute to the development of laboratory practice, the in-service training of technical high schools teachers and help in the development of their own instructional program.
태아 융부기형의 산전진단에서 태아심축 (Cardiac Axis) 측정의 임상적 의의
김재욱,박용원,조재성,김태윤,최형민,김경수,임영구 대한산부인과학회 1997 Obstetrics & Gynecology Science Vol.40 No.1
Objectives: The objective of this study is to investigate a possible role for fetal cardiac axis in prenatal screening of congenital cardiac or extracardiac intrathoracic anomaly. Introduction: The incidence of the congenital heart disease is reported to be 8 per 1000 live births. The congenital heart disease is the most common major anomaly in newborn, and significantly affects perinatal morbidity and mortality. Because about 90% of congenital heart disease occurs in fetus without risk factors, it is important to screen congenital heart disease in low risk patients for the congenital heart disease. Method: 48 cases of cardiac(38 cases) and extracardiac intrathoracic(10 cases) anomaly and 205 cases for control were evaluated for measurement of cardiac axis and analyzed by Student`s t-test and correlation analysis with SPSS/PC+ packages. Results: The mean cardiac axis of control group was 39.4。 (SD: 9.2。, range: 20。 ~ 65。), and in the lesion group it was 42.1。 (SD: 28.9。, range: -34。 ~ 127。). If we use mean cardiac axis±2SD of normal fetuses as a range of normal cardiac axis(21。 ~ 58。), 16/48(33.3%) of the congeital heart disease or extracardiac intrathoracic anomaly will be detected and specificity, positive predictive value, negative predictive value of the fetal cardiac axis in screening cardiac or intrathoracic anomaly will be 96.6%, 69.6%, 86.1%, respectively. Conclusion: The fetal cardiac axis may be a useful parameter in screening fetal cardiac or extracardiac intrathoracic anomaly, and could be used clinically as a parameter for evaluation of the four-chamber view of the heart.