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라만,이충일,Rahman, SM M.,Lee, Chung Il The Korean Society of Marine Environment and safet 2016 해양환경안전학회지 Vol.22 No.1
수온과 기후 지수 자료를 이용하여 한국주변해 상층부의 수온변동과 북태평양 기후체제와의 관계를 분석하였다. 1970, 1980 그리고 1990년대 후반에 발생한 기후체제전환은 해양생태계의 구조 변화에 중요한 영향을 끼쳤다. 북서태평양 대륙주변부에 위치한 우리나라 주변해역 또한, 10년 이상의 장주기적인 변화의 영향을 받지만, 해역별 반응은 다르다. 동해, 서해, 남해 상층부(10 m)의 경우 1988년의 기후체제전환은 3개 해역의 상층부 수온변화에서 동시에 나타난다. 반면, 1998년은 동해남부해역과 서해, 1976년의 기후체제전환은 전 해역의 겨울철 수온변화에서만 그 영향이 나타난다. 1998년 기후체제전환 이후, 서해, 동중국해, 동해 남부의 수온은 점차 감소하지만, 동해 북부해역은 1988년 기후체제전환 이후 증가하는 형태이다. Temperature variability at the upper layer related to climate regime shifts in the Korean waters was illustrated using water temperature, climate index. Three major climate regime shifts (CRS) in 1976, 1988 and 1998 in north Pacific region had an significant influence on the major marine ecosystems structure pattern. Three marginal seas around Korean peninsula; East Sea, East China Sea and Yellow Sea also got important impact from this kind of decadal shift. We used 10m sea water temperatures in four regions of Korean waters since 1950 to detect major fluctuation patterns both seasonally and also decadal shift. 1988 CRS was occurred in all of the study areas in most seasons however, 1998 CRS was only detected in the Yellow Sea and in the southern part of the East Sea. 1976 CRS was detected in all of the study area mainly in winter. After 1998 CRS, the water temperature in the southern part of the East Sea, East China Sea and Yellow Sea were going into decreased pattern; however, in the northern part of the East Sea, it was further shifted to increasing pattern which was started from 1988 CRS period.
Conductive layer encapsulated LMO/xG Cathodes for high power Li-ion batteries
피라만샥티빌,김민 한국공업화학회 2016 한국공업화학회 연구논문 초록집 Vol.2016 No.0
We describe insitu synthesis of LMO/graphene nanosheets network by simple hydrothermal precipitation method and were analyzed via XRD, FTIR, Raman, FE-SEM and HR-TEM techniques. The electrochemical behavior of LMO/xG nanocomposites were characterized. The synthesized LMO/xG nanocomposites are phase pure with uniform particle formation and shows a pair of redox peaks with reduced Rct values, leads to better performance in the cycling and rate studies. Benefitted from LMO/xG nanocomposites exhibit remarkable specific capacity of values, especially the LMO/5G nanocomposite electrode is delivered a reversible capacity of about 132 mAh g-1 after 500 cycles with 89% columbic efficiency and 66% discharge capacity at 20C rate. This work suggests that the in situ conductive layer wrapped LMO nanocomposite electrodes are to be a promising candidate for the high performance Li-ion batteries.
라만 씨딕,채준석,마렉 압둘,이슬람 알리물,어딘 무하마드 자심,아산 샤민,챠크라바티 아미타보,사키브 한국임상수의학회 2012 한국임상수의학회지 Vol.29 No.4
The study was undertaken to evaluate sensitivity and specificity of rapid Avian Influenza (AI) and Newcastle Disease virus (NDV) combo antigen kits from field samples of domestic (broiler and layer chicken, native chicken)and semi-domestic (duck, goose, pigeon and quail) birds of Bangladesh. Samples were collected from naturally infected AI suspected domestic and semi-domestic birds of five different outbreak areas in Bangladesh. From each area two birds were selected for sampling, and from each bird three types of samples (tracheal, cloacal and oro-nasal swabs)were collected. A total of 210 field samples from a total of 70 birds were collected and tested using AI and NDV combo antigen rapid diagnostic kits in the study. All three different samples from a bird showed similar pattern of reaction. Out of 210 samples, 15 samples (5 birds), 63 samples (21 birds) and 27 samples (9 birds) were positive for AIV, NDV and both for AIV and NDV, respectively; whereas the remaining birds were negative for either AIV or NDV in this screening test. Among the five AIV positive, a layer chicken from wet market in Mymensingh,Netrokona, Gibandha and Kurigram and a native chicken from wet market in Kurigram area was positive to AIV. The semi-domestic birds are either positive to NDV or free from both AIV and NDV. This study revealed that the AIV and NDV rapid diagnostic kits could be effectively use to diagnose the respective virus in trachea, oro-nasal and cloacal samples simultaneously. AIV-NDV combo Ag test result clearly indicates that the test kit designed for AIV and NDV could diagnose the disease rapidly with less effort and higher scientific know how which could be used for the detection of AIV and NDV using field samples in large scale.