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| 1 | Wind tunnel experimental study on droplet drift reduction by a conical electrostatic nozzle for pesticide spraying显示文摘Droplet drift wastes pesticide,pollutes the environment,and has become one of the focus issues of agricultural crop protection.Electrostatic spray technology reduces drift to a certain degree.In order to investigate the droplet drift pattern of a conical electrostatic nozzle,the droplet drift mass center distance was defined as an experimental index and used to conduct experimental wind tunnel studies on droplet drift.A mathematical model of the droplet drift mass center distance versus electrostatic voltage and wind speed was created via the regression method.The test results showed that the electrostatic voltage had an insignificant effect on droplet drift,the wind speed and its interaction with the electrostatic voltage had significant effects on droplet drift.When the wind speed was less than 3 m/s and stable,the crop adsorbability of a droplet had a dominant effect on the droplet drift;the droplet drift decreased with the increase of electrostatic voltage.When the wind speed exceeded 3 m/s and was stable,the reduced droplet particle size had a dominant effect on droplet drift,where droplet drift increased as the electrostatic voltage increased.When the wind speed was 0 m/s and the electrostatic voltage was 12 kV,the minimum droplet drift mass center distance was 35.5 mm,which was 56 mm less than that of conventional nozzle droplet drift.Therefore,a conical electrostatic nozzle is inapplicable for operation in an environment where wind speeds exceed 3 m/s.This study provides a reference for optimizing operational parameters of conical electrostatic nozzles and improving the anti-drift capability of droplets. | Zhang Wei Hou Yongrui Liu Xin Lian Qi Fu Xiaoming Zhang Bo Wang Haiyang Wang Yingqian | 2017 | International Journal of Agricultural and Biological Engineering2017，10，3： | 8 |
| 2 | Photocatalytic degradation of amoxicillin by carbon quantum dots modified K2Ti6O13 nanotubes:Effect of light wavelength显示文摘A novel carbon quantum dots modified potassium titanate nanotubes(CQDs/K2 Ti6 O13)composite photocatalyst was synthesized by hydrothermal treatment combined with calcination.X-ray diffraction(XRD)pattern and transmission electron microscopy(TEM)indicated formation of potassium titanate nanotubes and successful deposition of CQDs onto K2 Ti6 O13.The photocatalytic performance of CQDs/K2 Ti6 O13 composite was evaluated by degradation of amoxicillin(AMX)under the irradiation of visible light and lights with the wavelengths of 365,385,420,450,485,520,595 and 630 nm.The results showed that the photocatalytic activity of CQDs/K2 Ti6 O13 hybrid material was greatly enhanced compared with the neat K2 Ti6 O13 calcined at 300 ℃.The narrowed band gap energy(Eg)and transfer of photo-excited electron by CQDs inhibited the immediate combination of electron-hole pairs,thus promoting photocatalytic activity.Moreover,CQ,Ds/K2 Ti6 O13 exhibited a broad spectrum of photocatalytic ability and it was interesting that the photocatalytic activity decreased with the increase of the irradiation wavelength.Reactive oxygen species(ROS)quenching tests suggested the hole(h^+)and hydroxyl radical(^·OH)played the primary roles in photocatalytic degradation of AMX.Moreover,CQ.Ds/K2 Ti6 O13 showed good reusability for AMX photocatalytic degradation after five successive runs.This study proposed an available method for titanate nanomaterials modification,and the developed novel CQDs/K2 Ti6 O13hyb rid material is p ro mising fo r potential application on antibiotics removal fro m water and wastewater. | Qiankun Chen Long Chen Juanjuan Qi Yingqian Tong Yitao Lv Chaokai Xu Jinren Ni Wen Liu | 2019 | Chinese Chemical Letters2019，30，6： | 6 |
| 3 | The sedimentation rates in the Okinawa Trough during the Late Quaternary显示文摘On the basis of accelerator mass spectrometer radiocarbon (AMS14C) dating, sedimentation rates of 11 cores collected from thenorthern to southern Okinawa Trough are discussed. The sedimentation rates in the Okinawa Trough roughly range from 11 to 39cm/ka, and the average is 23.0 cm/ka. China’s continental matter is the main sediment source of the middle Okinawa Trough and hasimportant contribution to the northern and southern Okinawa Trough. The sedimentation rates during the marine oxygen isotope (MIS)2 are uniformly higher than those during MIS 1 in the northern and middle Okinawa Trough while they are on the contrary in thesouthern Okinawa Trough. Sedimentation rates in the Okinawa Trough can be one of the proxies of sediment source and an indicatorof cooling events. | XIONG Yingqian LIU Zhenxia LI Tiegang LIU Yanguang YU Hua | 2005 | Acta Oceanologica Sinica2005，24，4： | 3 |
| 4 | Nitric oxide-mediated immunosuppressive effect of Human amniotic membrane-derived mesenchymal stem cells on the viability and migration of microglia显示文摘 | Ke Yan Run Zhang Lei Chen Fanfan Chen Yi Liu Lingmei Peng Haitao Sun Weiyi Huang Chengmei Sun Bingke Lv Feng Li Yingqian Cai Yanping Tang Yuxi Zou Mouxuan Du Lingsha Qin Hengzhu Zhang Xiaodan Jiang | 2014 | Brain Research2014，，： | 1 |
| 5 | Synthesis of novel spin-labeledderivatives of podophyllotoxin as potential antineoplasticagents显示文摘 | Liu Yingqian Tian Xuan | 2005 | Synthetic Commun2005，35，21： | 1 |
| 6 | Devel- opment of an enzyme-linked immunosorbent assay for po- dophyllotoxin 显示文摘 | XU Duming YU Xiangyang LIU Yingqian | 2005 | Int Immunopharmacol2005，5，11： | 1 |
| 7 | Synthe- sis and insecticidal activities of novel derivatives of podo- phyllotoxin 显示文摘 | LIU Yingqian YANG Liu LIU Yangqing | 2007 | Nat Prod Res2007，21，11： | 1 |
| 8 | Relationship between Foxp3-3279(rs376158) Polymorphism and Dust Mite Allergic Conjunctivitis显示文摘Purpose:To investigate the genotyping of Foxp3-3279(A /C,rs376158) genes in patients with dust mite-induced allergic conjunctivitis from Guangdong province and to explore the association between these genes and the susceptibility to dust mite allergic conjunctivitis.Methods:.In total,.80 patients with dust mite allergic conjunctivitis and 103 healthy Han Chinese were enrolled in the study and received genotyping of Foxp3-3279(A / C,rs376158)by PCR-SSP technique.Results: Genotype frequency of Foxp3-3279 AA,.CA,.and CC in patients with dust mite allergic conjunctivitis were 1.25%,25.00% and 73.75%,respectively. Gene frequency of C and A in patients with dust mite allergic conjunctivitis were 86.25%and 13.75% with no significant difference from healthy counterparts(both P>0.05).Conclusion:.Foxp3-3279 polymorphisms did not significantly differ between patients with dust mite allergic conjunctivitis and healthy controls, implying that this genetic locus is probably not an independent risk factor of the underlying pathogenesis of dust mite allergic conjunctivitis. | Ruiming Yang He Lai Xiangyin Sha Shengqiang Chen Yingqian Tan Weifang Chen Zhiping Liu | 2014 | Eye Science2014，29，3： | 0 |
| 9 | Spatiotemporal coding of natural odors in the olfactory bulb显示文摘Smell that exists in the natural environment is composed of numerous odor molecules(Bushdid et al.,2014).The mammalian olfactory system can accurately identify environmental olfactory cues,including those related to food selection,recognition of conspecifics/predators,and emotional responses. | Mengxue LIU Nan JIANG Yingqian SHI Ping WANG Liujing ZHUANG | 2023 | Journal of Zhejiang University-Science B(Biomedicine & Biotechnology)2023，24，11： | 0 |
| 10 | A novel lysosome‐localized fluorescent probe with aggregation‐induced emission without alkalinizing effect显示文摘Herein,a novel small molecule probe,tetraphenylethylene‐cystein(TPE‐Cys),was rationally designed and developed for the intracellular lysosome localization.The combination of tetraphenylethylene and cysteine serve as a novel strategy for lysosome‐targeting,with significant aggregation‐induced emission increases with the proportion of water by as high as 25‐folds.Biofluorescence imaging experiments show that the probe TPE‐Cys has a good colocalization effect with the commercially available lysotracker red,with a Pearson correlation coefficient of 0.91.In addition,we also demonstrate that TPE‐Cys has good light stability.TPE‐Cys,as a neutral compound,is free of alkalinizing effect when applied in lysosome localization.Moreover,molecular dynamics simulations and density function theories are employed to explore the detailed aggregation process and the mechanism of TPE‐Cys aggregation in water solution.The mechanism of lysosome localization of probe TPE‐Cys was explained by cellular endocytosis process and the formation of larger particle in the more acidic environment of lysosomes.This work not only demonstrates an efficient strategy for the construction of fluorescent probes for lysosome localization,but also indicates that they are promising as live cell imaging tools. | Jingran Zhang Yan Jia Xinyi Xing Mengmei Qin Zibo Wu Yingqian Zhong Lele Liu Shuqing Sun Peng Li Haiyuan Wang Guangjiu Zhao | 2021 | SmartMat2021，2，4： | 0 |
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