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Analysis and simulation of large deflection of a multi-segmented catheter tube under wire tension
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300MW 급 IGCC 석탄가스화 플랜트에서 가스화기 부하변동에 따른 MP Steam 발생 특성 예측
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Acupuncture and Trager Psychophysical Integration in the Treatment of Wheelchair User's Shoulder Pain in Individuals With Spinal Cord Injury
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COGNITIVE NEURODYNAMICS
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BANKING AND FINANCE LAW REVIEW
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Reduction of Altitude Diffuser Jet Noise Using Water Injection
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- 저자 : ( Baojie Wang ) (검색결과 5 건)
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Baoji Wang,Xing Zhang,Chao Song,Renxian Cao 전력전자학회 2019 ICPE(ISPE)논문집 Vol.2019 No.5
Dual-inverter fed open end winding transformer (OEW-DI) topology can be an alternative scheme of the traditional parallel inverter topology used in high power medium-voltage (MV) grid-connected systems, due to its advantage of lower output voltage harmonics, which can reduce the requirement of the filter inductance. LCL filter is commonly used in this topology because of the attenuation and size tradeoff. Besides, the leakage inductance of the transformer in such systems is a relative large value and should be used properly, but none of the existing paper has noticed this. Therefore, this paper proposes a new arrangement of LCL filter for the OEW-DI topology, in which the transformer leakage inductance is set as the inverter-side inductor, the shunt capacitor and the grid-side inductor are set at the secondary side of the MV transformer. The overall inductance of the recommend filter can save a lot than the existing filters. The comparative analysis and discussions regarding to the existing LCL filter and the proposed one are presented and evaluated through simulation on a 1 MW dual-three-level inverter system and experiment on a 30kW dual-three-level inverter prototype.
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Xiaoting Zhang,Chunjuan Wang,Wenyao Zhu,Baojie Wang,Huiying Liang,Shougang Guo 대한신경과학회 2019 Journal of Clinical Neurology Vol.15 No.3
Background and Purpose Anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis is the most common type of autoimmune encephalitis. This study aimed to explore the possible factors affecting the response to first-line treatments in patients with anti-NMDAR encephalitis. Methods We enrolled 29 patients who were diagnosed as anti-NMDAR encephalitis between January 1, 2015, and June 30, 2018. They were divided into the remission and nonremission groups according to their response to first-line treatments. The demographics, clinical manifestations, main ancillary examinations, follow-up treatments, and prognosis of patients were recorded. The symptoms reported on in this study occurred before treatments or during the course of first-line treatments. Results There were 18 patients (62.07%) in the remission group and 11 patients (37.93%) in the nonremission group. Compared to the remission group, a higher proportion of the patients in the nonremission group exhibited involuntary movements, decreased consciousness, central hypoventilation, lung infection, and hypoalbuminemia. The nonremission group had a high incidence of increased intracranial pressure and significant elevations of the neutrophilto- lymphocyte ratio in peripheral blood (NLR), aspartate aminotransferase, and fibrinogen. Six patients (54.55%) in the nonremission group received second-line immunotherapy. Only one patient (3.45%) died, which was due to multiple- organ failure. Conclusions Anti-NMDAR-encephalitis patients with more symptoms—especially involuntary movements, disturbance of consciousness, central hypoventilation, and accompanying hypoalbuminemia and pulmonary infection—may respond poorly to first-line treatments. Positive second-line immunotherapy therefore needs to be considered. Admission to an intensive-care unit, increased cerebrospinal fluid pressure, and increased NLR might be the significant factors affecting the response to first-line treatments.
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( Yujie Sha ),( Mei Liu ),( Baojie Wang ),( Keyong Jiang ),( Cancan Qi ),( Lei Wang ) 한국미생물 · 생명공학회 2016 Journal of microbiology and biotechnology Vol.26 No.10
The interactions of microbiota in the gut play an important role in promoting or maintaining the health of hosts. In this study, in order to investigate and compare the effects of dietary supplementation with Lactobacillus pentosus HC-2 (HC-2), Enterococcus faecium NRW-2, or the bacteria-free supernatant of a HC-2 culture on the bacterial composition of Litopenaeus vannamei, Illumina sequencing of the V1-V2 region of the 16S rRNA gene was used. The results showed that unique species exclusively existed in specific dietary groups, and the abundance of Actinobacteria was significantly increased in the intestinal bacterial community of shrimp fed with the bacteria-free supernatant of an HC-2 culture compared with the control. In addition, the histology of intestines of the shrimp from the four dietary groups was also described, but no obvious improvements in the intestinal histology were observed. The findings in this work will help to promote the understanding of the roles of intestinal bacteria in shrimps when fed with probiotics or probiotic supernatant.
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Application of new porous binder material in fluid catalytic cracking reaction
Xionghou Gao,Gongxuan Lu,Haitao Zhang,Baojie Wang,Zhicheng Tang 한국공업화학회 2012 Journal of Industrial and Engineering Chemistry Vol.18 No.2
A novel porous binder was obtained by acid-treated kaolin. This new binder owned abundant mesomacro pore and good hydrothermal stability. The prepared catalyst using new binder had a character of low attrition index and large pore volume. The catalysts were tested in a fixed-fluidized bed unit. Compared with comparison sample, the conversion of new catalyst was increased by 0.73%, heavy oil yield decreased by 1.11%, the total liquid and light oil yield increased by 0.95% and 0.74%, respectively. The perfect pore structure and good hydrothermal stability of new binder were the possible reason of obtaining prominent performance.
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Xueqi Guo,Yuheng Zeng,Zhi Zhang,Yuqing Huang,Mingdun Liao,Qing Yang,Zhixue Wang,Minyong Du,Denggao Guan,Baojie Yan,Jichun Ye 한국물리학회 2019 Current Applied Physics Vol.19 No.7
The junction properties of tunnel silicon oxide (SiOx) passivated contact (TOPCon) with n-type poly-Si on p-type c-Si wafer are characterized using current-voltage (J-V) and capacitance-voltage (C-V) measurements. The dark J-V curves show a standard diode characteristic with a turn-on voltage of ∼0.63 V, indicating a p-n junction is formed. While the C-V curve displays an irregular shape with features of 1) a slow C increase with the decrease of the magnitude of reverse bias voltage, being used to estimate the built-in potential (Vbi), 2) a significant increase at a given positive bias voltage, corresponding to the geometric capacitance crossing the ultrathin SiOx, and 3) a sharp decrease to negative values, resulting from the charge tunneling through the SiOx layer. The C of depleting layer deviates from the normal linear curve in the 1/C2-V plot, which is caused by the diffusion of P dopants from the n-type poly-Si into the p-type c-Si wafer as confirmed by the electrochemical capacitance-voltage measurements. However, the 1/C2+γ-V plots with γ > 0 leads to linear curves with a proper γ and the Vbi can still be estimated. We find that the Vbi is the range of 0.75–0.85 V, increases with the increase of the doping ratio during the poly-Si fabrication process, and correlates with the passivation quality as measured by the reverse saturated current and implied open circuit voltage extracted from transient photoconductivity decay.
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