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Xiaoming Rui,Rui Su,Xin Wu,Qidong Yin 대한기계학회 2014 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.28 No.6
In view of problems arising from the grid-connected wind turbine with the frequency converter, we propose a conceptual design ofgrid-connected wind turbine based on speed regulating differential mechanism (SRDM). The SRDM regulates its output speed andtorque self-adaptively referring to wind rotor and makes the synchronous generator (SG) keep a constant speed to output electricity insteady frequency without the normal frequency converter and it has excellent low voltage ride through (LVRT). This paper offers thekinematics and dynamics analysis of the designed wind turbine and builds the SIMULINK model based on FAST (fatigue, aerodynamics,structures and turbulence) software. The simulation of speed, torque and power of wind rotor under average wind speed of 12 m/s andturbulence intensity of 20% can verify the feasibility of the designed wind turbine.
Research of the Interconnection of Workflow System Based on Web Service
Gang Yuan,Rui-zhi Sun,Yong Xiang,Yin-xue Shi 보안공학연구지원센터 2015 International Journal of Multimedia and Ubiquitous Vol.10 No.2
In order to achieve the interconnection between different workflow management systems, it was proposed that all the distributed workflow systems would be encapsulated as web services to perform the entire business process collaboratively by the way of processes’ composition in this paper. By analyzing the comparison between the composition of processes and ordinary Web service, we studied interactive control, the parameters required to be passed through the distributed workflow systems, the workflow system service’s interfaces and its packaging. Furthermore we put forward a general method of the workflow systems interactive interfaces’ extension and the way of the workflow service’s encapsulating and invoking. By this approach, it can easily combine the processes or process fragments which deployed on different workflow systems without other agents and components. It also provides support for the interconnection of the workflow systems in distributed environment, and ultimately achieves a coordinated operation between different workflow engines.
Biphasic effects of TGFβ1 on BMP9-induced osteogenic differentiation of mesenchymal stem cells
( Rui Dong Li ),( Zhong Liang Deng ),( Ning Hu ),( Xi Liang ),( Bo Liu ),( Jin Yong Luo ),( Liang Chen ),( Liang Jun Yin ),( Xiao Ji Luo ),( Wei Shui ),( Tong Chuan He ),( Wei Huang ) 생화학분자생물학회(구 한국생화학분자생물학회) 2012 BMB Reports Vol.45 No.9
We have found that the previously uncharacterized bone morphogenetic protein-9 (BMP9) is one of the most osteogenic factors. However, it is unclear if BMP9 cross-talks with TGFβ1 during osteogenic differentiation. Using the recombinant BMP9 adenovirus, we find that low concentration of rhTGFβ1 synergistically induces alkaline phosphatase activity in BMP9-transduced C3H10T1/2 cells and produces more pronounced matrix mineralization. However, higher concentrations of TGFβ1 inhibit BMP9-induced osteogenic activity. Real-time PCR and Western blotting indicate that BMP9 in combination with low dose of TGFβ1 potentiates the expression of later osteogenic markers osteopontin, osteocalcin and collagen type 1 (COL1a2), while higher concentrations of TGFβ1 decrease the expression of osteopontin and osteocalcin but not COL1a2. Cell cycle analysis reveals that TGFβ1 inhibits C3H10T1/2 proliferation in BMP9-induced osteogenesis and restricts the cells in G0/G1 phase. Our findings strongly suggest that TGFβ1 may exert a biphasic effect on BMP9-induced osteogenic differentiation of mesenchymal stem cells. [BMB Reports 2012; 45(9): 509-514]
Optimum Ca(NO3)2 Supply Develops Salt Tolerance in NaCl-stressed Cyclocarya paliurus Seedlings
Rui Ling Yao,Yin Wang 한국원예학회 2012 Horticulture, Environment, and Biotechnology Vol.53 No.1
The effect of varying Ca(NO3)2 supply (0, 6, 12, and 18 mM) on growth, ion uptake, leaf chlorophyll concentration and photosynthesis of NaCl-stressed (85 mM NaCl) Cyclocarya paliurus seedlings was investigated. Addition of Ca(NO3)2 stimulated the shoot growth more than root growth. Ca(NO3)2 supply increased K+ and Ca2+ concentration,whereas the Na+ transport to the leaves was inhibited. There was a strong increase in the K+/Na+ ratio in the leaves of Ca(NO3)2-treated seedlings. Leaf chlorophyll concentration and photosynthesis rate were low, but both factors were enhanced by 12 mM Ca(NO3)2. Therefore, moderate Ca(NO3)2 supply (12 mM) had optimal effects on growth and metabolism of NaCl-stressed C. paliurus seedlings.
Yin, Zhihong,Zhao, Xin,Wang, Zhun,Li, Zhen,Bai, Rui,Yang, Shanshan,Zhao, Min,Pang, Quanhai Asian Australasian Association of Animal Productio 2016 Animal Bioscience Vol.29 No.10
Guanine nucleotide-binding protein subunit alpha-s ($Gn{\alpha}s$) is a small subunit of the G protein-couple signaling pathway, which is involved in the formation of coat color. The expression level and distribution of $Gn{\alpha}s$ were detected by quantitative real-time-polymerase chain reaction (qPCR), western blot, and immunohistochemistry to investigate the underlying mechanisms of coat color in white and black skin tissues of mice. qPCR and western blot results suggested that $Gn{\alpha}s$ was expressed at significantly higher levels in black mice compared with that of white mice, and transcripts and protein possessed the same expression in both colors. Immunohistochemistry demonstrated $Gn{\alpha}s$ staining in the root sheath and dermal papilla in hair follicle of mice skins. The results indicated that the $Gn{\alpha}s$ gene was expressed in both white and black skin tissues, and the expression level of $Gn{\alpha}s$ in the two types of color was different. Therefore, $Gn{\alpha}s$ may be involved in the coat color formation in mice.
Rui Deng,Shi-min Wang,Tao Yin,Ting-hong Ye,Guo-bo Shen, Ling Li,Jing-yi Zhao,Ya-xiong Sang,Xiao-gang Duan,Yu-Quan Wei 한국유방암학회 2014 Journal of breast cancer Vol.17 No.1
Purpose: The universal organic solvent dimethyl sulfoxide (DMSO)can be used as a differentiation inducer of many cancer cells andhas been widely used as a solvent in laboratories. However, itseffects on breast cancer cells are not well understood. The aimof this study is to investigate the effect and associated mechanismsof DMSO on mouse breast cancer. Methods: We appliedDMSO to observe the effect on tumors in a mouse breast cancermodel. Tumor-associated macrophages (TAMs) were tested byflow cytometry. Ex vivo tumor microenvironment was imitated by4T1 cultured cell conditioned medium. Enzyme-linked immunosorbentassays were performed to detect interleukin (IL)-10 andIL-12 expression in medium. To investigate the cytotoxicity ofDMSO on TAMs, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazoliumbromide (MTT) assays were performed. Results: We foundthat DMSO produced tumor retardation when injected into mouseperitoneal cavities in a certain concentration range (0.5–1.0 mg/g). Furthermore, as detected by flow cytometry, TAM subtypeswere found to be transformed. We further imitated a tumor microenvironmentin vitro by using 4T1 cultured cell conditionedmedium. Similarly, by using low concentration DMSO (1.0%–2.0% v/v), TAMs were induced to polarize to the classically activatedmacrophage (M1-type) and inhibited from polarizing intothe alternatively activated macrophage (M2-type) in the conditionedmedium. IL-10 expression in tumors was reduced, whileIL-12 was increased compared with the control. Furthermore, wereported that 2.0% (v/v) DMSO could lead to cytotoxicity in peritonealmacrophages after 48 hours in MTT assays. Conclusion:Our findings suggest that DMSO could exert antitumor effects in4T1 cancer-bearing mice by reversing TAM orientation and polarizationfrom M2- to M1-type TAMs. These data may providenovel insight into studying breast cancer immunotherapy.
Rui Qian,Yin Zheng‐Zhi,Cai Wenrong,Li Junyao,Wu Datong,Kong Yong 대한화학회 2022 Bulletin of the Korean Chemical Society Vol.43 No.5
A simple drug controlled delivery system is facilely designed for pH-responsive delivery of methotrexate (MTX), an anticancer drug. Aminated mesoporous silica nanoparticles (AMSNs) were first synthesized for the loading of MTX, and then the MTX-loaded AMSN (AMSN-MTX) was encapsulated with hyaluronic acid (HA) through electrostatic attractions. Successful preparation of the HAencapsulated AMSN-MTX (AMSN-MTX-HA) is confirmed by different characterizations such as scanning electron microscopy, Fourier transform infrared, x-ray diffraction, and so on. Because the protonation/deprotonation of HA is closely related to pH, the electrostatic interactions between HA and AMSN depend closely on the pH of the medium and thus pH-responsive delivery of MTX is achieved. The release kinetic data of MTX from the carrier fit well to Higuchi and Korsmeyer-Peppas models. Cell experiments indicate that the developed AMSN-MTX-HA displays high inhibitory effect on hepatoma (SMMC-7721) cells while the drug-free carrier of AMSN-HA has good biocompatibility.
Yin, Zhi-Hua,Cui, Zhi-Gang,Ren, Yang-Wu,Su, Meng,Ma, Rui,He, Qin-Cheng,Zhou, Bao-Sen Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.11
Background: Genetic polymorphisms of TP63 have been suggested to influence susceptibility to lung adenocarcinoma development in East Asian populations. This study aimed to investigate the relationship between common polymorphisms in the TP63 gene and the risk of lung adenocarcinoma, as well as interactions of the polymorphisms with environmental risk factors in Chinese non-smoking females. Methods: A case-control study of 260 cases and 318 controls was conducted. Data concerning demographic and risk factors were obtained for each subject. The genetic polymorphisms were determined by Taqman real-time PCR and statistical analyses were performed using SPSS software. Results: For 10937405, carriers of the CT genotype or at least one T allele (CT/TT) had lower risks of lung adenocarcinoma compared with the homozygous wild CC genotype in Chinese nonsmoking females (adjusted ORs were 0.68 and 0.69, 95%CIs were 0.48-0.97 and 0.50-0.97, P values were 0.033 and 0.030, respectively). Allele comparison showed that the T allele of rs10937405 was associated with a decreased risk of lung adenocarcinoma with an OR of 0.78 (95%CI=0.60-1.01, P=0.059). Our results showed that exposure to cooking oil fumes was associated with increased risk of lung adenocarcinoma in Chinese nonsmoking females (adjusted OR=1.58, 95%CI=1.11-2.25, P=0.011). However, we did not observe a significant interaction of cooking oil fumes and TP63 polymorphisms. Conclusion: TP63 polymorphism might be a genetic susceptibility factor for lung adenocarcinoma in Chinese non-smoking females, but no significant interaction was found with cooking oil fume exposure.