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| 1 | Prediction of Primary Climate Variability Modes at the Beijing Climate Center显示文摘Climate variability modes, usually known as primary climate phenomena, are well recognized as the most important predictability sources in subseasonal–interannual climate prediction. This paper begins by reviewing the research and development carried out, and the recent progress made, at the Beijing Climate Center(BCC) in predicting some primary climate variability modes. These include the El Ni?o–Southern Oscillation(ENSO), Madden–Julian Oscillation(MJO), and Arctic Oscillation(AO), on global scales, as well as the sea surface temperature(SST) modes in the Indian Ocean and North Atlantic, western Pacific subtropical high(WPSH), and the East Asian winter and summer monsoons(EAWM and EASM, respectively), on regional scales. Based on its latest climate and statistical models, the BCC has established a climate phenomenon prediction system(CPPS) and completed a hindcast experiment for the period 1991–2014. The performance of the CPPS in predicting such climate variability modes is systematically evaluated. The results show that skillful predictions have been made for ENSO, MJO, the Indian Ocean basin mode, the WPSH, and partly for the EASM, whereas less skillful predictions were made for the Indian Ocean Dipole(IOD) and North Atlantic SST Tripole, and no clear skill at all for the AO, subtropical IOD, and EAWM. Improvements in the prediction of these climate variability modes with low skill need to be achieved by improving the BCC's climate models, developing physically based statistical models as well as correction methods for model predictions.Some of the monitoring/prediction products of the BCC-CPPS are also introduced in this paper. | Hong-Li REN Fei-Fei JIN Lianchun SONG Bo LU Ben TIAN Jinqing ZUO Ying LIU Jie WU Chongbo ZHAO Yu NIE Peiqun ZHANG Jin BA Yujie WU Jianghua WAN Yuping YAN Fang ZHOU | 2017 | Journal of Meteorological Research2017,31,1: | 13 |
| 2 | Eu^(3+)-doped LaPO_4 and LaAlO_3 nanosystems and their luminescence properties显示文摘Eu3+ ion-doped LaPO4 nanowires or nanorods have been successfully synthesized by a simple hydrothermal method.The influence of varying the hydrothermal and subsequent sintering conditions on the morphology and structure of the LaPO4 host has been investigated by scanning electron microscopy(SEM) and X-ray diffraction(XRD).For comparison,the Eu3+ ions were also doped into monoclinic monazite LaPO4 nanoparticles and perovskite LaAlO3 nanoparticles.The relative intensities of the emission lines of the LaPO4:Eu3+ nanosystems were essentially independent of their shape.The optimal doping concentrations in the monoclinic LaPO4 and perovskite LaAlO3 nanosystems were determined to be about 5.0 and 3.5 mol%,respectively.Under appropriate UV-radiation,the red light emitted from LaAlO3:Eu3+(3.5 mol%) was brighter than that from LaPO4:Eu3+(5.0 mol%) nanomaterial,resulting from differences in their spin-orbit couplings and covalence,which indicates that the nanoscale LaAlO3 is a promising host material for rare earth ions. | WAN Qiang,HE YuPing,DAI Ning & ZOU BingSuo State Key Laboratory of State Key Laboratory of Chemo/Biosensing and Chemometrics and Key Laboratory for Micro-Nano Opto-Electronic Devices of Ministry of Education,Hunan University,Changsha 410082,China | 2009 | Science China Chemistry2009,52,8: | 6 |
| 3 | Preparation of an anti-diethylstilbestrol monoclonal antibody and development of an indirect competitive ELISA to detect diethylstilbestrol in biological samples显示文摘Based on the preparation of an anti-diethylstilbestrol(DES) monoclonal antibody,a simple and convenient indirect competitive enzyme-linked immunosorbent assay(ELISA) method for DES detection has been developed.The monoclonal antibody demonstrated high sensitivity to DES with an IC50 value of 275 pg mL-1 and detection limit(LOD) of 90 pg mL-1.The specificity of the assay was studied by measuring cross-reactivity of the antibody with structurally related compounds of ethinyl estradiol(<7%),estrone(<0.1%),estriol(<0.1%),and diethylstilbestrol benzoate(<0.1%).Chicken,fish,shrimp,urine and bile spiked with different concentration of DES were detected by the developed method,and the recovery rates were greater than 79.5%.Intra-and inter-assay variations were about 6%.This method exhibited high stability with a coefficient of variation less than 10% in buffer and in real samples.The LODs in fish/shrimp,liver,feed and urine spiked with DES were 600,600,4800 and 600 pg mL-1,respectively.These results confirmed that the antibody to DES was successfully produced and could be used to establish ELISA methods for DES detection in food producing animals. | LI WeiHua MENG Meng HE FangYang WAN YuPing XUE HuYin LIU Wei YIN WeiWei XU Jing FENG CaiWei WANG ShanLiang LU Xiao LIU JinTing XI RiMo | 2011 | Chinese Science Bulletin2011,56,8: | 4 |
| 4 | Study on Colloidal Gold Immunochromatography Assay for Rapid Detection of Spectinomycin显示文摘[Objectives] This study was conducted to establish a rapid detection method for spectinomycin in pork,chicken,fish,shrimp flesh and water.[Methods]A test strip for rapid detection of spectinomycin in milk was developed by colloidal gold immunochromatography assay. [Results]The test strip had a detection limit of 50 μg/kg to milk with a detection time of 15 min,and the false positive rate and false negative rate were both 0. [Conclusions]The method is accurate,simple,reliable and convenient,and is suitable for rapid on-site spectinomycin detection. | Zhaoqin WANG Yuping WAN Xiaosheng WU Yu ZHANG Fangfang JIA Guangyao HAN Zhengxue PENG Fangyang HE | 2019 | Agricultural Biotechnology2019,8,1: | 3 |
| 5 | cDNA cloning and expression pattern of two enolase genes from the Chinese oak silkworm, Antheraea pernyi显示文摘在这研究,二 enolase 基因从中国橡树蚕被孤立并且描绘, Antheraea perny,它被指定为 enolase 我和 II 分别地。enolase 我 cDNA 顺序是有编码 433 氨基酸的 1302 bp 的一个开的读物框架(ORF ) 的 1712 bp。enolase II cDNA 顺序是有编码 431 氨基酸的 1296 bp 的 ORF 的 1549 bp。二基因的氨基酸序列分享 enolase 的几个保存特征 / 地点。我显示出的 Antheraea pernyi enolase 93%97% 顺序身份到迄今为止可得到的 lepidopterans 的 enolases,到另外的无脊椎动物的 enolases 的 75%82% 身份,到包括脊椎动物的另外的有机体的 enolases 的 60%72% 身份,植物,和真菌。Antheraea pernyi enolase II 显示出 84% 身份到 Bombyx mori enolase II,而是 60% 身份到 A。pernyi enolase 我。在种系发生的树上, enolase II 从 A 定序。pernyi 和 B。mori 清楚地包括 A 与更高的有机体的 enolase 序列的多数被分开。pernyi 和 B。我定序的 mori enolase。由顺序比较和种系发生的分析,我们从 A 建议那 enolase II。pernyi 和 B。mori 可以是 enolase 总科的一个新成员。Antheraea pernyi enolase 我而 enolase II mRNA 在睾丸和卵巢明确地被表示, mRNA 在所有测试纸巾被发现,建议 enolase II 基因的产品可能与复制有关。抄本许多 A。pernyi enolase 我基因在冷吃惊以后并且显著地是显著地下面调整的在热吃惊以后起来调整,建议那 A。pernyi enolase 我基因可能由温度应力是可诱导的。 | Yanqun Liu Yuping Li Huan Wang Runxi Xia Xisheng Li Haolei Wan Li Qin Defu Jiang Cheng Lu Zhonghuai Xiang | 2010 | Acta Biochimica et Biophysica Sinica2010,42,11: | 2 |
| 6 | Generation of anti-trenbolone monoclonal antibody and establishment of an indirect competitive enzyme-linked immunosorbent assay for detection of trenbolone in animal tissues, feed and urine显示文摘 | Yuanyang Zhang Fangyang He Yuping Wan Meng Meng Jing Xu Jian Yi Yabin Wang Caiwei Feng Shanliang Wang Rimo Xi | 2010 | Talanta2010,,3: | 1 |
| 7 | Hanging Pt hollow nanoerystal assemblies on graphene resulting in an enhanced eleetrocatalyst 显示文摘 | XIAO Yuping WAN Shuo ZHANG Xing | 2012 | Chem Commun2012,48,10: | 1 |
| 8 | Modified natural graphite as anode material for lithium ion batteries 显示文摘 | Wu Yuping Jiang C Wan C | 2002 | Journal of Power Sources2002,111,2: | 1 |
| 9 | Fabrication of porous Si 3 N 4 ceramics through a novel gelcasting method显示文摘 | Tao Wan Dongxu Yao Hailong Hu Yongfeng Xia Kaihui Zuo Yuping Zeng | 2014 | Materials Letters2014,,: | 1 |
| 10 | Study on Rapid Detection of Tetracyclines,Fluoroquinolones and Sulfonamides in Milk显示文摘Aiming at the market demand for rapid detection of tetracyclines,fluoroquinolones and sulfonamides in milk,a golloidal gold immunochromatography test strip for simultaneous detection of tetracyclines,fluoroquinolones and sulfonamides in milk was prepared based on the principle of competitive inhibition immunochromatography. The performance indicators of the test strip were verified. The results showed that the test strip can simultaneously detect 4 tetracyclines,13 fluoroquinolones and 13 sulfonamides,and the detection limits all can meet the national residue limits; the tests strip exhibited false positive rate≤5% and false negative rate = 0; and no cross-reaction with other drugs was commonly found in milk,indicating good specificity. The method is simple,rapid,and has low cost and easy popularization. It provides a means for realizing on-site rapid detection and is of important practical significance to guarantee of safety of milk and dairy products in China. | Yuping WAN Xiaosheng WU Tingting CUI Dongshan CAO Zhaoqin WANG Linchen WANG Chun-yan YANG Fangyang HE | 2019 | Agricultural Biotechnology2019,8,1: | 1 |
| 11 | Preparation of Immunomagnetic Beads Enrichment Kit for Detection of Aflatoxin B1显示文摘Immunomagnetic beads enrichment kit for detection of aflatoxin B1(AFB1) was prepared through reaction of AFB1 and p-phenylenediamine. The catches of AFB1 by the kit were 25 ng/mg. Furthermore, AFB1 was conducted specific reaction with competitive drugs with similar structure or function to AFB1, including aflatoxin M1, T-2 toxin, ochratoxin A, zearalenone and patulin, and no cross reaction was observed. | Wu Xiaosheng Wang Zhaoqin Jia Fangfang Du Meihong Cui Tingting Cui Haifeng Cao Dongshan Wan Yuping | 2018 | Plant Diseases and Pests2018,9,3: | 0 |
| 12 | Study on the Production of Pentachloronitrobenzene Monoclonal Antibody and Its ELISA Kit for Rapid Detection显示文摘[Objectives]This study was conducted to develop an enzyme-linked immunoassay kit that can detect the residual amount of pentachloronitrobenzene in Penaeus vannamei.[Methods]This study was conducted to develop an enzyme-linked immunoassay kit that can detect the residual amount of pentachloronitrobenzene in P.vannamei.[Results]The standard curve range of the kit was 0-8.1μg/L;the detection limit for P.vannamei was 0.912μg/kg;the recovery was 80.6%-103.5%;and the relative standard deviation range within batches was 5.3%-10.1%,and the relative standard deviation range between batches was 6.7%-8.1%.The specificity of the pentachloronitrobenzene monoclonal antibody was relatively good,and the cross-reaction rates with pentachlorophenol,hexachlorobenzene,tetrachlorophthalide,and chlorothalonil were low,all of which did not exceed 30%.The ELISA kit could be stored at 4℃for 12 months,showing good stability.[Conclusions]The detection kit has low cost,short time and small deviation,and is an ideal preliminary screening method. | Yuhua MA Kuo ZHANG Jianxiong ZHANG Fangfang JIA Fangyang HE Yanan CUI Mingyang LI Yuping WAN | 2021 | Agricultural Biotechnology2021,10,5: | 0 |
| 13 | Colloidal Gold Test Strip for the Detection of Fluoroquinolones in Foods Using an Analyzer显示文摘A test strip was developed to rapidly detect fluoroquinolones in foods by colloidal gold immunochromatography method in combination with a food safety analyzer. The results showed that the test strip has the detection sensitivity of 20 μg/L for enrofloxacin, sarafloxacin, difloxacin, ofloxacin, norfloxacin, ciprofloxacin, pefloxacin, flumequine and danofloxacin, and the detection sensitivity of 40 μg/L for enoxacin and oxolinic acid. The test strip consumes only 10 min for detection, and the false positive rate and the false negative rate are both zero. The test strip can accurately, reliably and easily detect residual fluoroquinolones in foods, and is suitable for on-site detection of a large number of samples. | Fangfang JIA Yuping WAN Linchen WANG Xiping WANG Zhaoqin WANG Fangyang HE Haifeng CUI Jing LI | 2019 | Agricultural Biotechnology2019,8,2: | 0 |
| 14 | Oxygen vacancies effects on phase diagram of epitaxial La1-xSrxMnO3 thin films显示文摘We investigated the effects of oxygen vacancies on the structural,magnetic,and transport properties of La_(1-x)Sr_xMnO_3(x=0.1,0.2,0.33,0.4,and 0.5)grown around a critical point(without/with oxygen vacancies)under low oxygen pressure(10 Pa)and high oxygen pressure(40 Pa).We found that all films exhibit ferromagnetic behavior below the magnetic critical temperature,and that the films grown under low oxygen pressures have degraded magnetic properties with lower Curie temperatures and smaller magnetic moments.These results show that in epitaxial La_(1-x)Sr_xMnO_3 thin films,the magnetic and transport properties are very sensitive to doping concentration and oxygen vacancies.Phase diagrams of the films based on the doping concentration and oxygen vacancies were plotted and discussed. | Qian Wan KuiJuan Jin QingQing Li YaQing Feng Can Wang Chen Ge Meng He HuiBin Lu HaiZhong Guo XiaoLong Li YuPing Yang GuoZhen Yang | 2017 | Science China(Physics,Mechanics & Astronomy)2017,60,5: | 0 |
| 15 | Development of a Kind of Immunomagnetic Bead Kit to Separate and Enrich Salbutamol显示文摘An immunomagnetic bead kit to separate and enrich salbutamol was prepared through the reaction between salbutamol and 4-aminobenzoic acid.The kit had a catch of 20 ng/ml to salbutamol in samples,and showed no cross reaction with competitive drugs with structure and function similar to salbutamol: clenbuterol,ractopamine,phenylethanolamine A, bromchlorbuterol, brombuterol, terbutaline, hydroxymethyl salbutamol,cimaterol,tulobuterol,mapenterol,cimbuterol,clenpenterol,zilpaterol,penbutolol,clenproperol,mabuterol and clorprenaline. | Yuping WAN Xiaosheng WU Fangfang JIA Jing LI Zhaoqin WANG Yuejun FENG Meihong DU Fangyang HE | 2018 | Agricultural Biotechnology2018,7,6: | 0 |
| 16 | Treatment patterns and a prognostic scoring system for elderly acute myeloid leukemia patients:a retrospective multicenter cohort study in China显示文摘Objective:Acute myeloid leukemia(AML)is primarily a malignant disorder affecting the elderly.We aimed to compare the outcomes of different treatment patterns in elderly AML patients and to propose a prognostic scoring system that could predict survival and aid therapeutic decisions.Methods:Patients aged≥60 years who had been diagnosed with AML at 7 hospitals in China were enrolled(n=228).Treatment patterns included standard chemotherapy,low intensity therapy,and best supportive care(BSC).Results:The early mortality rates were 31%,6.8%,and 6.3%for the BSC,low intensity therapy,and standard chemotherapy groups,respectively.The complete remission rate of the standard chemotherapy group was higher than that of the low intensity therapy group.The median overall survival(OS)was 561 days and 222 days for the standard chemotherapy and low intensity therapy groups,respectively,and were both longer than that of the BSC group(86 days).Based on multivariate analyses,we defined a prognostic scoring system that enabled classification of patients into 3 risk groups,in an attempt to predict the OS of patients receiving chemotherapies and low intensity therapies.Low and intermediate risk patients benefited more from standard chemotherapies than from low intensity therapies.However,the median OS was comparable between standard chemotherapies and low intensity therapies in high risk patients.Conclusions:Our prognostic scoring system could predict survival and help select appropriate therapies for elderly AML patients.Standard chemotherapy is important for elderly AML patients,particularly for those categorized into low and intermediate risk groups. | Chunli Zhang Wei Wan Shuai Zhang Jingwen Wang Ru Feng Jiangtao Li Junyue Chai Hebing Zhou Liru Wang Yuping Zhong Xiaodong Mo Mengzhu Shen Hongmei Jing Hui Liu | 2022 | Cancer Biology & Medicine2022,19,6: | 0 |
| 17 | Multiple model predictive control of perching maneuver based on guardian maps显示文摘Considering the strong nonlinearity of Unmanned Aerial Vehicles(UAVs)resulting from high Angle of Attack(AOA)and fast maneuvering,we present a multi-model predictive control strategy for UAV maneuvering,which has a small amount of online calculation.Firstly,we divide the maneuver envelope of UAV into several sub-regions on the basis of the gap metric theory.A novel algorithm is then developed to determine the ploytopic model for each sub-region.According to this,a Robust Model Predictive Control based on the Idea of Comprehensive optimization(ICE-RMPC)is proposed.The control law is designed offline and optimized online to reduce the computational expense.Then,the ICE-RMPC method is applied to design the controllers of sub-regions.In addition,to guarantee the stability of whole closed-loop system,a multi-model switching control strategy based on guardian maps is put forward.Finally,the tracking performance of proposed control strategy is demonstrated by an illustrative example. | Rui CAO Huiwen WAN Zhen HE Yuping LU | 2022 | Chinese Journal of Aeronautics2022,35,5: | 0 |
| 18 | Preparation of a Salmonella LAMP Detection Kit显示文摘[Objectives] This study was conducted to establish a method for rapid detection of Salmonella at the grassroots level, and a corresponding product was developed. [Methods] By analyzing the invA gene of Salmonella, two pairs of efficient, rapid and specific amplification primers were designed and screened for the six conserved domains of the gene, and the LAMP detection kit for Salmonella based on this method was produced. [Results] The method is simple, sensitive, rapid and specific. The minimum detection concentration is 10~2-10~3 CFU/ml. [Conclusions] It can be used in the self-inspection of food production enterprises and the on-site sampling inspection and rapid detection of large quantities of samples by grassroots food safety inspection and supervision departments. | Yuping WAN Xiaosheng WU Yu ZHANG Meihong DU Zhaoqin WANG Caiwei FENG Zhengmiao ZHAO Fangyang HE | 2019 | Agricultural Biotechnology2019,8,6: | 0 |