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      • KCI등재
      • SCOPUS

        Research on Energy Flow Optimization of Compound Storage System in Pure Electric Vehicle with Longitudinal Dynamics

        Meng Dawei,Zhang Yu,Zhou Meilan,Tian Xiaochen 보안공학연구지원센터 2014 International Journal of Control and Automation Vol.7 No.12

        Aiming at short endurance mileage for electric vehicle, effected vehicle life because of battery excessive charging and discharging, the control method is put forward making use of super-capacitor to recovery regenerative braking energy, Hafei-Saibao electric vehicle is as example,seven kinds of topology with composite energy-single load are researched on power consumption, and the force condition of front and rear wheels is analyzed for front driving vehicle,the required energy of front wheel is detected to develop control strategy. On the basis of experimental data, co-simulation is achieved in the vehicle special simulation software, the experimental results show endurance mileage of improved car has increased by 34%, endurance mileage after being charged is 243 kilometer, the per hundred kilometers consumption has been decreased to 7.5 kW.h from 12 kW.h, the electrical consumption has been decreased by 37.5%, and the full load characteristics is optimized.

      • SCIESCOPUSKCI등재

        Effects of Bedding Material Composition in Deep Litter Systems on Bedding Characteristics and Growth Performance of Limousin Calves

        Meng, J.,Shi, F.H.,Meng, Qingxiang,Ren, L.P.,Zhou, Z.M.,Wu, H.,Zhao, L.P. Asian Australasian Association of Animal Productio 2015 Animal Bioscience Vol.28 No.1

        The objective of this study was to evaluate the effects of different litter mixture compositions on bedding system temperature, pH and volatile fatty acid and ammonia-N ($NH_3$-N) content, and the serum physico-chemical parameters and growth indices of calves. Thirty-two Limousin calves ($280{\pm}20kg$) were randomly assigned to four groups (n = 8 for each group) according to the bedding system used: i) control with soil only (CTR); ii) mixture with 50% paddy hulls (PH), 30% saw dusts (SD), 10% peat moss (PM) and 10% corn cobs (CC) (TRT1); iii) mixture with 15% PH, 15% SD, 10% PM, 40% CC, and 20% corn stover (CS) (TRT2); iv) mixture with 30% PH, 10% PM, 40% CC, and 20% CS (TRT3). The litter material combinations of different treatments were based on the cost of bedding system materials in China. The cost of four treatments from low to high: Control<TRT1<TRT2<TRT3. The control was no-cost treatment. The diet consisted of 60.8% silage and 39.2% concentrate (dry matter [DM] basis). The $NH_3$-N level (271.83 to 894.72 mg/kg) was lowest for TRT1 (p<0.0001) and highest for TRT2 (p<0.0001). The acetate, propionate and butyrate levels were highest for the control group (p<0.0001). In all the groups, the pH value (6.90 to 9.09) increased at the beginning and later remained stable at below 9.09. The temperature of deep litter increased at the first week and reached the maximum ($42.1^{\circ}C$) on day 38. 3,5,3'-Triiodothyronine ($T_3$) levels in the TRT1 group animals (p<0.0001) were lower than those in the control and TRT2 animals. 3,5,3',5'-Tetraiodothyronine ($T_4$) in the TRT1 group (p = 0.006) was lower than that in the other treatment groups. Cortisol (COR) in the control and TRT1 group was lower (p<0.0001) than that in the TRT2 and TRT3 groups. Corticosterone (CORt) in the control group was higher (p<0.0001) than that in the treatment groups. The findings indicate that the deep litter bedding systems provided better conditions for animal health and growth performance compared with the control system. Furthermore, the litter composition of TRT1 was found to be optimal among the three treatment groups.

      • Active current-limiting control to handle DC line fault of overhead DC grid

        MENG Zhou,WANG Xiang,WENPING Zuo,WEIXING Lin,JINYU Wen,RUIZHANG Yang,BINYE Ni,XIAOJUN Lu 전력전자학회 2019 ICPE(ISPE)논문집 Vol.2019 No.5

        To handle with the DC line faults in a DC grid, this paper proposed an active current-limiting controller for hybrid MMC. With this active current-limiting control strategy, the requirement of interruption current of DCCB will be significantly decreased, and the investment of DC grid will be reduced obviously. Firstly, the control architecture of active current-limiting controller is disclosed. To avoid the overvoltage of submodule capacitors during DC fault, a dynamic limiter for the reference value of the DC current controller is proposed. To decrease the peak of fault current, the feedforward controller of DC voltage is put forward. The decoupling controllability of the AC/DC voltage of hybrid MMC is disclosed. The currentlimiting mechanism of the active current-limiting controller is analysis. Then, the validity of the active current-limiting control strategy is verified by RTDS.

      • KCI등재

        ラネカ一の意味擴張モ一ドと日中對照硏究-「~してもいい」と"可以"の意味分析を中心に-

        ( Meng Zhou ),( Xieyi Song ) 한국일어일문학회 2015 日語日文學硏究 Vol.92 No.1

        The meaning of "~Shitemoii" always correspond to "keyi" in Chinese, while in some cases, these two words defy semantic correspondence. Based on Meaning Expansion Network Model, this paper analyzes the semantic relations and meaning expansion process of "~shitemoii" and"keyi ". Through etymological studies and corpus analyses, this paper points out that "~shitemoii" is used to denote the meaning of "permission, concession, promise, intention, advice, possibility, courage, and regret" etc., the basic meaning of which is "permission". Compared with "~shitemoii" signifies a more inactive mood. Contrastively, the denotative meaning of "keyi" is "possibility", however, "keyi", with a larger scale of meaning including interpersonal modality, can also imply "ability,invitation, and order" etc.,which does not completely correspond to "~shitemoii".At last, this paper points out that when "keyi" and "~shitemoii" are used in their own coordinating structures like "keyi… ye(also)keyi"and"~shitemoii…~shitemoii", many of their derivative meanings are lost and they mainly refer to the meaning of "possibility" and "permission". This paper argues that the semantic non-correspondence of "~shitemoii" and "keyi" is caused by the different process of meaning expansion of each word.

      • KCI등재

        Increased retinoic acid signaling decreases lung metastasis in salivary adenoid cystic carcinoma by inhibiting the noncanonical Notch1 pathway

        Zhou Meng-jiao,Yang Jia-jie,Ma Ting-yao,Feng Ge-xuan,Wang Xue-lian,Wang Li-Yong,Ge Yu-ze,Gao Ran,Hong-liang Liu,Shan Lin,Kong Lu,Chen Xiao-hong 생화학분자생물학회 2023 Experimental and molecular medicine Vol.55 No.-

        MYB-NFIB fusion and NOTCH1 mutation are common hallmark genetic events in salivary gland adenoid cystic carcinoma (SACC). However, abnormal expression of MYB and NOTCH1 is also observed in patients without MYB-NFIB fusion and NOTCH1 mutation. Here, we explore in-depth the molecular mechanisms of lung metastasis through single-cell RNA sequencing (scRNA-seq) and exome target capture sequencing in two SACC patients without MYB-NFIB fusion and NOTCH1 mutation. Twenty-five types of cells in primary and metastatic tissues were identified via Seurat clustering and categorized into four main stages ranging from near-normal to cancer-based on the abundance of each cell cluster in normal tissue. In this context, we identified the Notch signaling pathway enrichment in almost all cancer cells; RNA velocity, trajectory, and sub-clustering analyses were performed to deeply investigate cancer progenitor-like cell clusters in primary tumor-associated lung metastases, and signature genes of progenitor-like cells were enriched in the “MYC_TARGETS_V2” gene set. In vitro, we detected the NICD1-MYB-MYC complex by co-immunoprecipitation (Co-IP) and incidentally identified retinoic acid (RA) as an endogenous antagonist of genes in the “MYC_TARGETS_V2” gene set. Following this, we confirmed that all-trans retinoic acid (ATRA) suppresses the lung metastasis of SACC by correcting erroneous cell differentiation mainly caused by aberrant NOTCH1 or MYB expression. Bioinformatic, RNA-seq, and immunohistochemical (IHC) analyses of primary tissues and metastatic lung tissues from patients with SACC suggested that RA system insufficiency partially promotes lung metastasis. These findings imply the value of the RA system in diagnosis and treatment.

      • Genetic Variations in TERT-CLPTM1L Genes and Risk of Lung Cancer in a Chinese Population

        Zhao, Meng-Meng,Zhang, Yue,Shen, Li,Ren, Yang-Wu,Li, Xue-Lian,Yin, Zhi-Hua,Zhou, Bao-Sen Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.6

        Background: This study was conducted to investigate the association between single nucleotide polymorphisms (SNPs) in telomerase reverse transcriptase (TERT) and cleft lip and palate transmembrane1-like (CLPTM1L) and lung cancer risk in a Chinese population. Methods: We performed a hospital-based case-control study, including 980 lung cancer cases and 1000 cancer-free controls matched for age and sex. Each case and control was interviewed to collect information by well-trained interviewers. A total of 5 ml of venous blood was collected for genotype testing of TERT rs2736098 and CLPTM1L rs401681 using TaqMan methodology. Results: The results revealed that the variant homozygote TERT rs2736098TT was associated with an increased risk of lung cancer (OR=2.017, 95%CI=1.518-2.681), especially lung adenocarcinoma (OR=2.117, 95%CI=1.557-3.043) and small cell carcinoma (OR=1.979, 95%CI: 1.174-3.334), compared with the TERT rs2736098CC genotype. Similar results were observed in non-smokers. Conclusion: The TERT rs2736098 polymorphism might affect the susceptibility to lung cancer in Chinese populations. The associations need to be verified in larger and different populations.

      • KCI등재후보

        중소 소비자들의 기업에 대한 사회적 책임활동 기대 연구

        주몽가(Zhou Meng Jia),이철한(Lee, Cheol-Han) 동국대학교 사회과학연구원 2013 사회과학연구 Vol.20 No.2

        기업의 사회적 책임활동이 기업 이미지 개선과 해당 기업 제품의 구매 결정으로 이어진다는 연구결과들이 발표되면서 이제는 필수 활동으로 되고 있다. 시대의 변화에 따라 기업의 이해관계자 중의 일원인 일반인이나 소비자를 대상으로 Corporate Social Responsibility에 대한 인식이나 기대 분석에 관한 연구도 시도되고 있다. 이 연구에서는 중국 소비자들 대상으로 한국과 중국 기업에 대한 사회적 책임활동에 대한 기대를 비교하고 또한 한국 기업의 경제적, 법적, 윤리적, 자선적 책임활동에 대한 기대에 영향을 끼치는 요인을 발견하고자 하였다. 가설과 연구문제에 답하기 위해서 연구자들은 중국 소비자를 대상으로 하여 서베이를 수행하였고 분석은 SPSS를 이용하여 대응 t분석과 다변량 회귀분석을 실시하였다. 연구결과, 중국 소비자들은 중국 기업에 대해서 한국 기업보다 더 큰 사회적 책임활동에 대한 기대가 있었다. 이는 선행연구결과와는 다른 결론이다. 연구문제로 설정된 사회적 책임활동 기대에 영향을 끼치는 요인으로는 한국의 국가이미지와 사회적 이슈 관여도가 통계적으로 유의미하게 나타났으며 부분적으로 소득수준이 사회책임활동 기대에 영향을 끼쳤다. 즉, 한국에 대한 국가이미지가 좋을수록, 개인적으로 사회적 이슈에 대해 관여도가 높을수록, 소득수준이 높을수록 한국 기업의 사회책임활동에 대한 기대가 커졌음이 확인되었다. This study is intended to empirically investigate consumer expectations of corporate social responsibilities (CSRs) by foreign firms operating in China. The present research suggest that the expectation on CSR of foreign and domestic companies would be different, aimed to verify this empirically, and additionally, expects that the consumer’s preference on a home-country of a foreign company would also have influence on expectation on corporate social responsibility. For the analysis, the researchers used SPSS statistic program and analysis of descriptive statistics and multiple regression method. The respondents were recruited from the students of AnHui University and this survey used a random sampling method via Internet. The results of this research are provided as follows. First, the hypothesis expecting that the expectation of consumers on CSR of a foreign company would appear more highly than expectation of consumers on CSR of a domestic company was rejected. Secondly, the research questions that the worse the county image is, consumers expect much more on CSR was not found. Future study is advised to diverse foreign corporations with a diverse CSR activity.

      • KCI등재

        Effects of Bedding Material Composition in Deep Litter Systems on Bedding Characteristics and Growth Performance of Limousin Calves

        J. Meng,F.H. Shi,Q.X. Meng,L.P. Ren,Z.M. Zhou,H. Wu,L.P. Zhao 아세아·태평양축산학회 2015 Animal Bioscience Vol.28 No.1

        The objective of this study was to evaluate the effects of different litter mixture compositions on bedding system temperature, pH and volatile fatty acid and ammonia-N (NH3-N) content, and the serum physico-chemical parameters and growth indices of calves. Thirty-two Limousin calves (280±20 kg) were randomly assigned to four groups (n = 8 for each group) according to the bedding system used: i) control with soil only (CTR); ii) mixture with 50% paddy hulls (PH), 30% saw dusts (SD), 10% peat moss (PM) and 10% corn cobs (CC) (TRT1); iii) mixture with 15% PH, 15% SD, 10% PM, 40% CC, and 20% corn stover (CS) (TRT2); iv) mixture with 30% PH, 10% PM, 40% CC, and 20% CS (TRT3). The litter material combinations of different treatments were based on the cost of bedding system materials in China. The cost of four treatments from low to high: Control<TRT1<TRT2<TRT3. The control was no-cost treatment. The diet consisted of 60.8% silage and 39.2% concentrate (dry matter [DM] basis). The NH3-N level (271.83 to 894.72 mg/kg) was lowest for TRT1 (p<0.0001) and highest for TRT2 (p<0.0001). The acetate, propionate and butyrate levels were highest for the control group (p<0.0001). In all the groups, the pH value (6.90 to 9.09) increased at the beginning and later remained stable at below 9.09. The temperature of deep litter increased at the first week and reached the maximum (42.1°C) on day 38. 3,5,3′-Triiodothyronine (T3) levels in the TRT1 group animals (p<0.0001) were lower than those in the control and TRT2 animals. 3,5,3′,5′-Tetraiodothyronine (T4) in the TRT1 group (p = 0.006) was lower than that in the other treatment groups. Cortisol (COR) in the control and TRT1 group was lower (p<0.0001) than that in the TRT2 and TRT3 groups. Corticosterone (CORt) in the control group was higher (p<0.0001) than that in the treatment groups. The findings indicate that the deep litter bedding systems provided better conditions for animal health and growth performance compared with the control system. Furthermore, the litter composition of TRT1 was found to be optimal among the three treatment groups.

      • KCI등재

        Surface plasmon resonance-enhanced solar-driven photocatalytic performance from Ag nanoparticles-decorated Ti3+ self-doped porous black TiO2 pillars

        Guo Zhou,Haiyan Meng,Yan Cao,Xuejun Kou,Shuxiang Duan,Leilei Fan,Ming Xiao,Fangzhou Zhou,Zhenzi Li,Zipeng Xing 한국공업화학회 2018 Journal of Industrial and Engineering Chemistry Vol.64 No.-

        The tiny Ag nanoparticles-uniformly decorated Ti3+ self-doped porous black TiO2 pillars (Ag-TPBTPs) are prepared, which show obvious surface plasmon resonance (SPR) and extend the photoresponse to visible light and near-infrared region (∼1500 nm). The Ag-TPBTPs exhibit excellent solar-driven photocatalytic activities by mineralizing of high-toxic 2,4-dichlorophenol (∼99%), which is three times higher than that of the pristine TiO2. The remarkable solar-driven photocatalytic performance can be ascribed to the porous pillars structure offering more surface active sites, the self-doped Ti3+ and SPR effect of Ag nanoparticles improving the utilization of solar light, and enhancing the spatial separation efficiency of photogenerated charge carriers.

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