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| 1 | Real-time transient stability assessment in power system based on improved SVM显示文摘Due to the strict requirements of extremely high accuracy and fast computational speed, real-time transient stability assessment(TSA) has always been a tough problem in power system analysis.Fortunately, the development of artificial intelligence and big data technologies provide the new prospective methods to this issue, and there have been some successful trials on using intelligent method, such as support vector machine(SVM) method.However, the traditional SVM method cannot avoid false classification, and the interpretability of the results needs to be strengthened and clear.This paper proposes a new strategy to solve the shortcomings of traditional SVM,which can improve the interpretability of results, and avoid the problem of false alarms and missed alarms.In this strategy, two improved SVMs, which are called aggressive support vector machine(ASVM) and conservative support vector machine(CSVM), are proposed to improve the accuracy of the classification.And two improved SVMs can ensure the stability or instability of the power system in most cases.For the small amount of cases with undetermined stability, a new concept of grey region(GR) is built to measure the uncertainty of the results, and GR can assessment the instable probability of the power system.Cases studies on IEEE 39-bus system and realistic provincial power grid illustrate the effectiveness and practicability of the proposed strategy. | Wei HU Zongxiang LU Shuang WU Weiling ZHANG Yu DONG Rui YU Baisi LIU | 2019 | Journal of Modern Power Systems and Clean Energy2019,7,1: | 14 |
| 2 | Sorption of Triton X-100 on soil organic matter fractions:Kinetics and isotherms显示文摘Kinetics and isotherms of Triton X-100 sorption on soil,base-extracted soil(BE),humic acid(HA) and humin(HM) were investigated respectively to get better understanding on characteristics of the surfactant sorption onto different soil organic matters(SOMs).It was demonstrated that the kinetics results could be satisfactorily described by the pseudo-second order model.The half of the time to reach equilibrium(t1/2) for different sorbents followed the sequence of soil > HA > BE > HM.Furthermore,the calculated equilibrium sorption capacity(Ceq) was found in the sequence of HA > BE > HM > soil,which agreed well with the experimental results.The isotherms of Triton X-100 sorption on soil and HA could be well described by the S-type isotherm,but BE and HM by the L-type.The isotherms of all the four sorbents were found reasonably fitted to the Langmuir equation.The Kd value,defined as the ratio of Triton X-100 in sorbent and in the equilibrium solution for given concentrations,generally followed the order of HM > HA > soil > BE.Separated HM and HA showed high affnity for Triton X-100,but the HA and HM in soil and BE were tightly bounded by the minerals.Thus,the HA on the soil surface might dominate the sorption,whereas the bounded HM would play a key role upon the surfactants being penetrated inside the soil. | ZHANG Guangzhi HU Hao SUN Weiling NI Jinren | 2009 | Journal of Environmental Sciences2009,21,6: | 6 |
| 3 | Cyanoethyl cellulose-based eutectogel electrolyte enabling high-voltage-tolerant and ion-conductive solid-state lithium metal batteries显示文摘Solid-state polymer electrolytes are an important factor in the deployment of highsafety and high-energy-density solid-state lithium metal batteries.Nevertheless,use of the traditional polyethylene oxide-based solid-state polymer electrolyte is limited due to its inherently low ionic conductivity and narrow electrochemical stability window.Herein,for the first time,we specifically designed a cyanoethyl cellulosein-deep eutectic solvent composite eutectogel as a promising candidate for hybrid solid-state polymer electrolytes.It is found that the proposed eutectogel electrolyte achieves high ionic conductivity(1.87×10^(−3) S cm^(−1) at 25℃),superior electrochemical stability(up to 4.8 V),and outstanding lithium plating/striping behavior(low overpotential of 0.04 V at 1mAcm^(−2) and 1mAh cm^(−2) over 300 h).With the eutectogel-based solid-state polymer electrolyte,a 4.45 V LiCoO_(2)/Li metal battery delivers prominent long-term lifespan(capacity retention of 85%after 200 cycles)and high average Coulombic efficiency(99.5%)under ambient conditions,significantly outperforming the traditional carbonate-based liquid electrolyte.Our work demonstrates a promising strategy for designing eutectogel-based solid-state polymer electrolytes to realize high-voltage and high-energy lithium metal batteries. | Hao Zhang Lixue Zhou Xiaofan Du Jianjun Zhang Songwei Tian Tingting Liu Jinning Zhang Sijia Hu Weiling Song Xinhong Zhou Guanglei Cui | 2022 | Carbon Energy2022,4,6: | 3 |
| 4 | Spatiotemporal Changes of Vegetation Cover in Response to Climate Change on the Tibetan Plateau显示文摘The Tibetan Plateau is one of the most important ecological barriers in China. Resolving the internal relations and dynamics ruling the association between regional vegetation and climate change is important to understand and protect the regional ecosystems. Based on vegetation, temperature and precipitation data of the Tibetan Plateau from 2001 to 2010, we analyze the spatial and temporal variations of vegetation cover over the past 10 years and discuss the vegetation response to climate change using empirical orthogonal function and singular value decomposition. Our results reveal the following:(1) vegetation cover gradually decreases from the southeast to the northwest of the Tibetan Plateau;(2) vegetation cover has increased on the Tibetan Plateau over the past 10 years, mainly in the central and eastern zones; and(3) a significant positive relationship was suggested between vegetation cover during growing season and the temperature in the entire region and with precipitation in the central and southern zones. | LI Juncheng WANG Jianrong GONG Bin GAN Xiaoli HU Weiwu LIU Weiling | 2014 | Acta Geologica Sinica(English Edition)2014,88,3: | 2 |
| 5 | Application of fluorescence in situ hybridization in the detection of bladder transitional-cell carcinoma: A multi-center clinical study based on Chinese population显示文摘Objective:To evaluate the diagnostic value of fluorescence in situ hybridization(FISH)in bladder cancer.Methods:We enrolled healthy volunteers and patients who were clinically suspected to have bladder cancer and conducted FISH tests and cytology examinations from August 2007 to December 2008.Receiver operating characteristic(ROC)curve analysis was performed and the area under curve(AUC)values were calculated for both the FISH and urine cytology tests.Results:A cohort of 988 healthy volunteers was enrolled to establish a reference range for the normal population.A total of 4807 patients with hematuria were prospectively,randomly enrolled for the simultaneous analysis of urine cytology,FISH testing,and a final diagnosis as determined by the pathologic findings of a biopsy or a surgically-excised specimen.Overall,the sensitivity of FISH in detecting transitional-cell carcinoma was 82.7%,while that of cytology was 33.4%(p<0.001).The sensitivity values of FISH for non-muscle invasive and muscle invasive bladder transitional-cell carcinoma were 81.7%and 89.6%,respectively(p=0.004).The sensitivity values of FISH for low and high grade bladder cancer were 82.6%and 90.1%,respectively(p=0.002).Conclusion:FISH is significantly more sensitive than voided urine cytology for detecting bladder cancer in patients evaluated for gross hematuria at all cancer grades and stages.Higher sensitivity using FISH was obtained in high grade and muscle invasive tumors. | Liqun Zhou Kaiwei Yang Xuesong Li Yi Ding Dawei Mu Hanzhong Li Yong Yan Jinyi Li Dongwen Wang Wei Li Yulong Cong Jiangping Gao Kewei Ma Yajun Xiao Sheng Zhang Hongyi Jiang Weilie Hu Qiang Wei Xunbo Jin Zhichen Guan Qingyong Liu Danfeng Xu Xin Gao Yongguang Jiang Weimin Gan Guang Sun Qing Wang Yanhui Liu Jianquan Hou Liping Xie Xishuang Song Fengshuo Jin Jiafu Feng Ming Cai Zhaozhao Liang Jie Zhang Dingwei Ye Lin Qi Lulin Ma Jianzhong Shou Yuping Dai Jianyong Shao Ye Tian Shizhe Hong Tao Xu Chuize Kong Zefeng Kang Yuexin Liu Xun Qu Benkang Shi Shaobin Zheng Yi Lin Shujie Xia Dong Wei Jianbo Wu Weiling Fu Zhiping Wang Jianbo Liang | 2019 | Asian Journal of Urology2019,6,1: | 2 |
| 6 | A single nucleotide polymorphism in XRCC4 gene is associated with reduced colorectal cancer susceptibility in female显示文摘Objective:To investigate the association of XRCC4 polymorphic variants at G-1394T(rs6869366) with colorectal cancer susceptibility.Methods:In this hospital-based case-control study,the association of XRCC4 polymorphism with colorectal cancer risk in Chinese population was investigated.In total,171 patients with colorectal cancer and 171 healthy individuals matched for age and gender were selected.The genomic DNAs of the patients and controls were extracted from peripheral blood and the 300 bp target DNA was amplified with Polymerase Chain Reaction.The products were then digested with restriction endonuclease HincII,followed by agarose electrophoresis to identify the genotype.Results:We found a significant difference in the frequency of the XRCC4 G-1394T genotype between the colorectal cancer and control groups in female(1/127 vs 8/122,P<0.05).Those with G/T at XRCC4 G-1394T showed a decreased risk of colorectal cancer susceptibility compared with those with T/T(OR 0.113,95%CI 0.014-0.932).However,in overall population or in male,there was no significant difference of the distribution between the colorectal cancer and control groups.Conclusion:Our findings suggested that the G allele of XRCC4 G-1394T were associated with decreased risk of colorectal cancer susceptibility in female. | Zhang Zhongheng Hu Weiling | 2011 | Journal of Medical Colleges of PLA(China)2011,26,2: | 1 |
| 7 | Quality management circle activityshould be in intraoperative disposable medical consumablesmanagement显示文摘 | HongSuJu Hu Weiling | 2011 | Nurse Gastroenterol2011,26,17: | 1 |
| 8 | Thermoelectric hydrogen sensor working at room temperature prepared by bismuth-telluride P-N couples and Pt/γ-Al2O3 显示文摘 | Huang Hu Luan Weiling Zhang Jiansong | 2008 | Sensors and Actuators B2008,,128: | 1 |
| 9 | Osteomyelitis of the spine 显示文摘 | Buff HU Weil UH | 1991 | Conn Med1991,55,2: | 1 |
| 10 | Design of the Image-guided Biopsy Marking System for Gastroscopy显示文摘 | Sun Deyu Hu Weiling Wu Wei | 2012 | Journal of Medical Systems2012,36,5: | 1 |
| 11 | A Non-invasive Navigation System for Retargeting Gastroscopic Lesions显示文摘 | Liu Jiquan Wang Bin Hu Weiling | 2014 | Biomedical Materials and Engineering2014,24,6: | 1 |
| 12 | Gastroscopic Image Graph:Application to Noninvasive Multitarget Tracking Under Gastroscopy显示文摘 | Wang Bin Hu Weiling Liu Jiquan | 2014 | Computational and Mathematical Methods in Medicine2014,,1: | 1 |
| 13 | Antibiotics in global rivers显示文摘Antibiotics have received extensive attention due to their sophisticated effects on human health and ecosystems.However,there is an extreme scarcity of information on composition,content,geographic distribution,and risk of riverine antibiotics at a large spatial scale.Based on a systematic review of over 600 pieces of literature(1999-2021),we established a global dataset containing more than 90,000 records covering 169 antibiotics and their metabolites in surface water and sediment across 76 countries.The occurrence of prioritized antibiotics largely depended on socioeconomic developmental levels,and the current“hotspots”of polluted rivers were found mostly in less developed countries or emerging economies(e.g.,some in Africa,South America,and Asia).By developing the screening protocol for risk-based prioritization of antibiotics,we advanced a rank list of antibiotics for guiding formulation of region-specific strategies,which highlighted the importance of whole life cycle management of antibiotics in health maintenance of the world’s rivers. | Si Li Yi Liu Yang Wu Jingrun Hu Yiqing Zhang Qian Sun Weiling Sun Jiagen Geng Xiaoying Liu Dantong Jia Xiuqi You Dianqing Qi Moran Tang Yitao Lyu Fanguang Kong Leilei Cai Yufan Ai Yichu Wang Jinren Ni | 2022 | National Science Open2022,1,2: | 1 |
| 14 | Anti-inflammatory and anticoagulant activities of lycopene in mice显示文摘 | Zhao Yaping Yu Wenli Hu Weile | 2003 | Nutr Res2003,23,: | 1 |
| 15 | Osteomyelitis of the spine显示文摘 | Buff HU Weil UH | 1991 | Conn Med1991,55,2: | 1 |
| 16 | 显示文摘 | Mao Shunjie Luan Weiling Huang Hu | 2005 | Bulletin of the Chinese Ceramic Society2005,3,: | 1 |
| 17 | Anti-tumor pharmacology of natural products targeting mitosis显示文摘Cancer has been an insurmountable problem in the history of medical science.The uncontrollable proliferation of cancer cells is one of cancers main characteristics,which is closely associated with abn ormal mitosis.Targeting mitosis is an effective method for cancer treatment.This review summarizes several natural products with anti-tumor effects related to mitosis,focusing on targeting microtubulin,inducing DNA damage,and modulating mitosis-associated kinases.Furthermore,the main disadvantages of several typical compounds,including drug resistance,toxicity to non-tumor tissues,and poor aqueous solubility and pharmacokinetic properties,are also discussed,together with strategies to address them.Improved understanding of cancer cell mitosis and natural products may pave the way to drug development for the treatment of cancer. | Manru Huang Caiyan Liu Yingying Shao Shiyue Zhou Gaoyong Hu Shuangshuang Yin Weiling Pu Haiyang Yu | 2022 | Cancer Biology & Medicine2022,19,6: | 1 |
| 18 | The protective effects of Levilactobacillus brevis FZU0713 on lipid metabolism and intestinal microbiota in hyperlipidemic rats显示文摘Levilactobacillus brevis FZU0713, a potential probiotic previously isolated from the traditional brewing process of Hongqu rice wine, may have the beneficial effects on improving lipid metabolism. This study aimed to evaluate the in vivo protective effects and possible mechanism of L. brevis FZU0713 on the disturbance of lipid metabolism in hyperlipidemic rats fed a high-fat diet(HFD). Results showed that oral administration of L. brevis FZU0713 could significantly inhibit obesity, ameliorate the lipid metabolism disorder, including serum/liver biochemical parameters and hepatic oxidative stress in HFD-fed rats. Histopathological result also indicated that dietary intervention of L. brevis FZU0713 could reduce the accumulation of lipid droplets in liver induced by 8 weeks HFD feeding. Furthermore, L. brevis FZU0713 intervention significantly increased the fecal levels of short-chain fatty acids(SCFAs, including acetate, propionate, butyrate, isobutyrate, valerate and isovalerate)in HFD-fed rats, which may be closely related to the changes of intestinal microbial composition and metabolic function. Intestinal microbiota profiling by 16S rRNA gene sequencing revealed that L. brevis FZU0713 intervention significantly altered the relative abundance of Coprococcus, Butyricicoccus, Intestinimonas, Lachnospiraceae FCS020 group, Ruminococcaceae_NK4A214 group, Ruminococcaceae_UCG-005 and UCG-014 at genus levels. Based on Spearman's rank correlation coefficient, serum and liver lipid metabolism related biochemical parameters were positively correlated with genera Ruminococcus, Pediococcus and Lachnospiraceae, but negatively correlated with genera Pseudoflavonifractor, Butyricicoccus and Intestinimonas. Furthermore, liver metabolomics analysis demonstrated that L. brevis FZU0713 had a significant regulatory effect on the composition of liver metabolites in hyperlipidemic rats, especially the levels of some important biomarkers involved in the metabolic pathways of arachidonic acid metabolism, primary bile acid biosynthesis, amino sugar and nucleotide sugar metabolism, taurine and hypotaurine metabolism, biosynthesis of unsaturated fatty acid, fructose and mannose metabolism, tyrosine metabolism, etc. Additionally, oral administration of L. brevis FZU0713 significantly regulated the mR NA levels of liver genes(including Acat2, Acox1, Hmgcr, Cd36, Srebp-1c and Cyp7a1)involved in lipid metabolism and bile acid homeostasis. In conclusion, our findings provide the evidence that L. brevis FZU0713 has the potential to improve disturbance of lipid metabolism by regulating intestinal microflora and liver metabonomic profile. Therefore, L. brevis FZU0713 may be used as a potential probiotic strain to produce functional food to prevent hyperlipidemia. | Xiaoyun Fan Qing Zhang Weiling Guo Qi Wu Jinpeng Hu Wenjian Cheng Xucong Lü Pingfan Rao Li Ni Youting Chen Lijiao Chen | 2023 | Food Science and Human Wellness2023,12,5: | 0 |
| 19 | Wenjing Zhitong recipe exhibits potential anti-primary dysmenorrhea properties by inhibiting COX2 and PKC signaling pathway in rats induced by estradiol benzoate and oxytocin显示文摘Objective:To explore the effect and mechanism of action of the Wenjing Zhitong recipe(WZR)in primary dysmenorrhea(PD)treatment.Methods:Uterine contractions were induced by estradiol benzoate and oxytocin in a PD model and WZR was administrated.The rate of change in uterine contractility and the writhing test were used to evaluate the effects of WZR.The serum levels of prostaglandin F_(2a)(PGF_(2a))and prostaglandin E_2(PGE_2),and the activity of cyclooxygenase-2(COX2)were detected by enzyme-linked immunosorbent assay(ELISA).The changes in phosphor-phospholipase C(pPLC/PLC),phosphor-protein kinase C(pPKC/PKC),and connexin 43(CX43)expression were detected using immunohistochemistry and western blot.Results:WZR significantly reduced the rate of change in uterine contractility and writhing times in the PD model.WZR treatment inhibited the enzymatic activity of COX2 and reduced the levels of PGF_(2a),PGF_(2a)/PGE2and COX2 in the PD model.WZR also significantly reduced the expression of pPLC/PLC,pPKC/PKC and CX43.Targeting the inhibition of COX2 activity,caffeic acid and 1-acetyl-β-carboline were validated as the active ingredients in WZR responsible for reducing uterine contractions.Conclusion:WZR attenuated PD by inhibiting COX2 activity,downregulating PGF_(2a)/PGE_2 expression,and inhibiting the PKC signaling pathway. | Jialin Li Xiaoyao Liu Mei Jiang Yantong Xu Chunguo Wang Yujie Hu Song Yang Jian Gao Weiling Wang Ting Wang | 2023 | Journal of Traditional Chinese Medical Sciences2023,10,3: | 0 |