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백설매(Xue-Mei Bai),이금희(Jin-Ji Li),김미훈(Mei-Xun Jin),정유진(You-Jin Cheng),이종혁(Jong-Hyeok Lee) 한국정보과학회 2005 한국정보과학회 학술발표논문집 Vol.32 No.1
일반적으로 중국어의 명사구는 최단명사구, 기본명사구, 최장명사구로 분류된다. 최장명사구에 대한 정확한 식별은 문장의 전체적인 구조를 파악하고 문장의 정확한 지배용언을 찾아내는데 중요한 역할을 한다. 본 논문에서는 특성에 따라 5개의 클래스로 세분화된 문장부호를 학습자질로 사용하여 최장명사구 자동식별을 진행한다. 제안된 기법은 평균길이가 4인 최장명사구의 식별실험에서 기본모델(baseline)보다 4.5% 향상된 평균 85.1%의 우수한 F-measure 성능을 보인다.
문장부호 정보와 확장된 청크에 기반한 중국어 최장명사구 식별
백설매(Xue-Mei Bai),김미훈(Mei-Xun Jin),이금희(Jin-Ji Li),정유진(You-Jin Chung),이종혁(Jong-Hyeok Lee) 한국정보과학회 언어공학연구회 2005 한국정보과학회 언어공학연구회 학술발표 논문집 Vol.2005 No.10
명사구는 기본명사구와 최장명사구로 분류된다. 최장명사구에 대한 정확한 식별은 문장의 전체적인 구문구조를 파악하고 문장의 정확한 지배용언을 찾아내는데 중요한 역할을 수행한다. 본 논문에서는 확장된 청크(chunk) 개념과 다섯 개의 클래스로 세분화된 문장부호 정보를 사용한 최장명사구 식별 기법을 제안한다. 제안된 기법은 기본모델(baseline)보다 4.05% 향상된 평균 88.63%의 우수한 F-measure 성능을 보인다.
RESULTS ON MEROMORPHIC FUNCTIONS SHARING THREE VALUES CM IN SOME ANGULAR DOMAINS
Li, Xiao-Min,Liu, Xue-Feng,Yi, Hong-Xun Korean Mathematical Society 2016 대한수학회논문집 Vol.31 No.3
We study the uniqueness question of transcendental meromorphic functions that share three values CM in some angular domains instead of the whole complex plane. The results in this paper extend the corresponding results in Zheng [13, 14] and Yi [12]. Some examples are given to show that the results in this paper, in a sense, are the best possible.
Jiang, Hao,Liang, Shuang,Yao, Xue-Rui,Jin, Yong-Xun,Shen, Xing-Hui,Yuan, Bao,Zhang, Jia-Bao,Kim, Nam-Hyung Elsevier 2018 Theriogenology Vol.115 No.-
<P><B>Abstract</B></P> <P>Laminarin (LMA), a β-glucan mixture with good biocompatibility, improves the growth performance and immune response when used as food additives and nutraceuticals. The aim of the present research was to explore the effects of LMA on porcine early stage embryo development, as well as the underlying mechanisms. The results showed that the developmental competence of porcine early stage embryos was dramatically improved after LMA supplementation during the in vitro culture period. The presence of 20 μg/mL LMA during the in vitro culture period significantly improved cleavage rate, blastocyst formation rates, hatching rate, and total cell number in the blastocyst compared to that in the control group. Notably, LMA attenuated the intracellular reactive oxygen species generation induced by H<SUB>2</SUB>O<SUB>2</SUB>. Furthermore, LMA not only increased intracellular glutathione levels, but also ameliorated mitochondrial membrane potential. In addition, the expression of a zygotic genome activation related gene (<I>YAP1</I>), pluripotency-related genes (<I>OCT4</I>, <I>NANOG,</I> and <I>SOX2</I>), and hatching-related genes (<I>COX2</I>, <I>GATA4,</I> and <I>ITGA5</I>) were up-regulated following LMA supplementation during porcine early stage embryo development. These results demonstrate that LMA has beneficial effects on the development of porcine early stage embryos via regulation of oxidative stress. This evidence provides a novel method for embryo development improvement associated with exposure to LMA.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Laminarin has beneficial effects on the development of porcine early stage embryos. </LI> <LI> Laminarin attenuates intracellular reactive oxygen species generation. </LI> <LI> Laminarin increases intracellular glutathione levels and ameliorates ΔΨm. </LI> <LI> Laminarin up-regulates the expression of ZGA/pluripotency/hatching related genes. </LI> </UL> </P>
( Da Hai Yu ),( Ji Yu Yang ),( Fei Teng ),( Li Li Feng ),( Xue Xun Fang ),( He Jun Ren ) 한국미생물 · 생명공학회 2014 Journal of microbiology and biotechnology Vol.24 No.7
The mature landfill leachate, which is characterized by a high concentration of ammonia nitrogen (NH3-N) and humic acid (HA), poses a challenge to biotreatment methods, due to the constituent toxicity and low biodegradable fraction of the organics. In this study, we applied bioaugmentation technology in landfill leachate degradation by introducing a domesticated NH3-N and HA resistant bacteria strain, which was identified as Bacillus cereus (abbreviated as B. cereus Jlu) and Enterococcus casseliflavus (abbreviated as E. casseliflavus Jlu), respectively. The isolated strains exhibited excellent tolerant ability for NH3-N and HA and they could also greatly improved the COD (chemical oxygen demand), NH3-N and HA removal rate, and efficiency of bioaugmentation degradation of landfill leachate. Only 3 days was required for the domesticated bacteria to remove about 70.0% COD, compared with 9 days`` degradation for the undomesticated (autochthonous) bacteria to obtain a similar removal rate. An orthogonal array was then used to further improve the COD and NH3-N removal rate. Under the optimum condition, the COD removal rate in leachate by using E. casseliflavus Jlu and B. cereus Jlu increased to 86.0% and 90.0%, respectively after, 2 days of degradation. The simultaneous removal of NH3-N and HA with more than 50% and 40% removal rate in leachate by employing the sole screened strain was first observed.
Development of Integrated Electro-Hydraulic Braking System and Its ABS Application
Zhi-Hui Tan,Zhen-Fu Chen,Xiao-Fei Pei,Xue-Xun Guo,Shuang-Hong Pei 한국정밀공학회 2016 International Journal of Precision Engineering and Vol.17 No.3
This paper presented a new type of integrated EHB system. The EHB consisted of a compact three-chamber structure of master cylinder and mode switching valves. This allowed for the easy implementation of three different modes: normal mode, failsafe mode and ABS mode. In normal mode, a PWM control method was proposed for pressure regulation that took into account overshoot and hysteresis. To provide a favorable pedal feeling, a pedal stroke simulator was designed and integrated with the master cylinder. The failsafe and ABS modes were verified and the performance of the EHB in the three modes was evaluated using co-simulation and a bench test.
Xiang Xu,Lan Jin,Tong Jiang,Ying Lu,Fumie Aosai,Hu-Nan Piao,Guang-Hua Xu,Cheng-Hua Jin,Xue-Jun Jin,Juan Ma,Lian-Xun Piao 고려인삼학회 2020 Journal of Ginseng Research Vol.44 No.5
Background: Ginsenoside Rh2 (GRh2) is a characterized component in red ginseng widely used in Korea and China. GRh2 exhibits a wide range of pharmacological activities, such as anti-inflammatory, antioxidant, and anticancer properties. However, its effects on Toxoplasma gondii (T. gondii) infection have not been clarified yet. Methods: The effect of GRh2 against T. gondii was assessed under in vitro and in vivo experiments. The BV2 cells were infected with tachyzoites of T. gondii RH strain, and the effects of GRh2 were evaluated by MTT assay, morphological observations, immunofluorescence staining, a trypan blue exclusion assay, reverse transcription PCR, and Western blot analyses. The in vivo experiment was conducted with BALB/c mice inoculated with lethal amounts of tachyzoites with or without GRh2 treatment. Results and conclusion: The GRh2 treatment significantly inhibited the proliferation of T. gondii under in vitro and in vivo studies. Furthermore, GRh2 blocked the activation of microglia and specifically decreased the release of inflammatory mediators in response to T. gondii infection through TLR4/NF-kB signaling pathway. In mice, GRh2 conferred modest protection from a lethal dose of T. gondii. After the treatment, the proliferation of tachyzoites in the peritoneal cavity of infected mice markedly decreased. Moreover, GRh2 also significantly decreased the T. gondii burden in mouse brain tissues. These findings indicate that GRh2 exhibits an antieT. gondii effect and inhibits the microglial activation through TLR4/NF-kB signaling pathway, providing the basic pharmacological basis for the development of new drugs to treat toxoplasmic encephalitis.