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A review on metal organic frameworks (MOFs) modified membrane for remediation of water pollution
Qian Yuan,Guocheng Zhu 대한환경공학회 2021 Environmental Engineering Research Vol.26 No.3
Porous metal-organic frameworks (MOFs) have received wide attention on the potential application to separation of pollutants from contaminated water to produce clear water. Recently, the report on MOFs modified membrane in pollution separation is very interesting. The main focus is that adding MOFs onto the surface of the membrane can significantly improve its separation performance and anti-fouling ability. This review took the opportunity to give readers a preliminary and detailing understanding of the basic knowledge of the MOFs modified membrane used in remediation of water pollution.
The grey relational degree anallysis of the Jilin modern logistics and the modern service industry
Yuan-ying Chi,Yuan-qian chi,Dong-xio Niu,Zhi Liu 인하대학교 정석물류통상연구원 2009 인하대학교 정석물류통상연구원 학술대회 Vol.2009 No.10
The development level of modern service industry is an important symbol for country or region’s comprehensive competitiveness, the modern service industry of jilin provence, which is key supported by the logistics, ha played a great role in the national economomy and it’s effect has become more and more prominent. Based on the grey relational analysis method, the paper analyzes the logistics and the whole modern service industry (tertiary industry) of jilin province which also analyzes the corelation degree among the tertiary industry and the primary and secondary industries the paper aims to find the existing problems in the modern industry and put and forward the corresponding countermeasures promoting the development of Jilin morden service industry.
Multiparametric Functional Magnetic Resonance Imaging for Evaluating Renal Allograft Injury
Yuan Meng Yu,Qian Qian Ni,Zhen Jane Wang,Meng Lin Chen,Long Jiang Zhang 대한영상의학회 2019 Korean Journal of Radiology Vol.20 No.6
Kidney transplantation is the treatment of choice for patients with end-stage renal disease, as it extends survival and increases quality of life in these patients. However, chronic allograft injury continues to be a major problem, and leads to eventual graft loss. Early detection of allograft injury is essential for guiding appropriate intervention to delay or prevent irreversible damage. Several advanced MRI techniques can offer some important information regarding functional changes such as perfusion, diffusion, structural complexity, as well as oxygenation and fibrosis. This review highlights the potential of multiparametric MRI for noninvasive and comprehensive assessment of renal allograft injury.
Qian, Li-Yuan,Li, Ping,Li, Xiao-Rong,Chen, Dao-Jin,Zhu, Shai-Hong Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.8
Aims: To explore the relationship between various molecular makers and liver metastasis of colorectal cancer (CRC). Method: Using immunohistochemistry, protein expression of CEA, nm23, c-met, MMP2, COX-2, VEGF, EGFR, and CD44 was assessed in 80 CRC cases. The Chi-square test and logistic regression were performed to analyze the relationship between these indicators and CRC liver metastasis. Results: There were significant differences in expression of CEA, MMP2, CD44, VEGF and EGFR between the liver metastasis and non metastasis groups (P < 0.05); no significant differences were noted for nm23, c-met, and COX-2 expression. Logistic regression analysis showed that only CEA, VEGF, and EGFR entered into the regression equation, and had significant correlations with CRC liver metastasis (${\alpha}$ inclusion= 0.10, ${\alpha}$ elimination = 0.15, R2 = 0.718). Conclusions: Combination detection of CEA, VEGF, and EGFR may be an effective means to predict CRC liver metastasis. Nm23, c-met, MMP2, COX-2, and CD44, in contrast, are not suitable as prognostic markers.
( Yuan Yuan Li ),( Long Qian Chen ),( Hong Yu Wen ),( Tian Jian Zhou ),( Ting Zhang ),( Xia Li Gao ) 한국미생물 · 생명공학회 2014 Journal of microbiology and biotechnology Vol.24 No.3
Significant alteration in the microbial community can occur across reclamation areas suffering subsidence from mining. A reclamation site undergoing fertilization practices and an adjacent coal-excavated subsidence site (sites A and B, respectively) were examined to characterize the bacterial diversity using 454 high-throughput 16S rDNA sequencing. The dominant taxonomic groups in both the sites were Proteobacteria, Acidobacteria, Bacteroidetes, Betaproteobacteria, Actinobacteria, Gammaproteobacteria, Alphaproteobacteria, Deltaproteobacteria, Chloroflexi, and Firmicutes. However, the bacterial communities` abundance, diversity, and composition differed significantly between the sites. Site A presented higher bacterial diversity and more complex community structures than site B. The majority of sequences related to Proteobacteria, Gemmatimonadetes, Chloroflexi, Nitrospirae, Firmicutes, Betaproteobacteria, Deltaproteobacteria, and Anaerolineae were from site A; whereas those related to Actinobacteria, Planctomycetes, Bacteroidetes, Verrucomicrobia, Gammaproteobacteria, Nitriliruptoria, Alphaproteobacteria, and Phycisphaerae originated from site B. The distribution of some bacterial groups and subgroups in the two sites correlated with soil properties and vegetation due to reclamation practice. Site A exhibited enriched bacterial community, soil organic matter (SOM), and total nitrogen (TN), suggesting the presence of relatively diverse microorganisms. SOM and TN were important factors shaping the underlying microbial communities. Furthermore, the specific plant functional group (legumes) was also an important factor influencing soil microbial community composition. Thus, the effectiveness of 454 pyrosequencing in analyzing soil bacterial diversity was validated and an association between land ecological system restoration, mostly mediated by microbial communities, and an improvement in soil properties in coalmining reclamation areas was suggested.
Phosphorylation of Silk Fibroin via Maillard Reaction and Its Behavior of Biomimetic Mineralization
Jingjing Yuan,Qian Zhou,Ping Wang,Chao Deng,Jiugang Yuan,Qiang Wang 한국섬유공학회 2019 Fibers and polymers Vol.20 No.8
Silk fibroin (SF) has the characteristics of non-toxicity, good biocompatibility and low immunogenicity, andexhibits many potential applications in biomaterial fields. In the present work, chemical phosphorylation of SF was carriedout via the Maillard reaction using D-glucose-6-phosphate (GP), aiming at increasing the number of binding-sites forcalcium ion and promoting the biomimetic mineralization of SF films. Changes in the molecular weight of SF before andafter GP grafting were analyzed by SDS-PAGE and SEC chromatogram. Structures, morphologies, and elementalcompositions for the fibroin-based films before and after mineralization were evaluated by the means of EDS, SEM, FTIR,and XRD. The results indicated that GP was successfully grafted onto SF surfaces, companying with a slight decrease in themolecular weight. Biomimetic mineralization led to a noticeable deposition of hydroxyapatite (HAp) on the film of SF-g-GP, and higher contents of calcium and phosphorous were detected on the mineralized material, revealing thatphosphorylation promoted the mineralization processing. Meanwhile, biocompatibility of the obtained SF-g-GP/HAp wasabove the acceptable level according to ISO 10993-5-2009. The present work provides an alternative to prepare the fibroinbasedbone repair materials.
Kernel Reference Set and Its Computation Algorithm
Ding-Yuan Bian,Qi-Wei Ge,Qian Zhu,Qian-Ming Shao 대한전자공학회 2008 ITC-CSCC :International Technical Conference on Ci Vol.2008 No.7
This paper proposes a new concept of graphs: kernel reference set. A kernel reference set is a fraction of vertices in a graph such that if their positions are known, positions of all other vertices can be derived from information of the distance matrix. We present an algorithm to find kernel reference set of graphs. Because the problem of kernel reference set is firstly proposed in this paper, and the theoretical limit of computation complexity is unknown currently. So we implement our algorithm with C to do the simulation. From simulation results, we verified the validity of our algorithm and evaluate its performance. Inspired by anchor nodes in wireless sensor networks, kernel reference set could be used to analyze anchorbased localization schemes of WSNs applications such as coalmine security monitoring, etc.
OK-432 Suppresses Proliferation and Metastasis by Tumor Associated Macrophages in Bladder Cancer
Tian, Yuan-Feng,Tang, Kun,Guan, Wei,Yang, Tao,Xu, Hua,Zhuang, Qian-Yuan,Ye, Zhang-Qun Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.11
OK-432, a Streptococcus-derived anticancer immunotherapeutic agent, has been applied in clinic for many years and achieved great progress in various cancers. In the present study, we investigated its anticancer effect on bladder cancer through tumor associated macrophages (TAMs). MTS assay validated OK-432 could inhibit proliferation in both T24 and EJ bladder cell lines. OK-432 also induced apoptosis of bladder cancer cells in vitro. Consequently, we demonstrated that OK-432 could suppress the bladder cancer cells migration and invasion by altering the EMT-related factors. Furthermore, using SD rat model, we revealed that OK-432 inhibited tumor growth, suppressed PCNA expression and inhibited metastasis in vivo. Taken together, these findings strongly suggest that OK-432 inhibits cell proliferation and metastasis through inducing macrophages to secret cytokines in bladder cancer.
Valve core shapes analysis on flux through control valves in nuclear power plants
Jin-yuan Qian,Cong-wei Hou,Juan Mu,Zhi-xin Gao,Zhi-jiang Jin 한국원자력학회 2020 Nuclear Engineering and Technology Vol.52 No.10
Control valves are widely used to regulate fluid flux in nuclear power plants, and there are more than1500 control valves in the primary circuit of one nuclear power plant. With their help, the flux can beregulated to a specific level of water or steam to guarantee the energy efficiency and safety of the nuclearpower plant. The flux characteristics of the control valve mainly depend on the valve core shape. In orderto analyze the effects of valve core shapes on flux characteristics of control valves, this paper focuses onthe valve core shapes. To begin with, numerical models of different valve core shapes are established, andresults are compared with the ideal flux characteristics curve for the purpose of validation. Meanwhile,the flow fields corresponding to different valve core shapes are investigated. Moreover, relationshipsbetween the valve core opening and the outlet flux under different valve core shapes are carried out. Theflux characteristics curve and equation are proposed to predict the outlet flux under different valve coreopenings. This work can benefit the further rese