维普中文期刊产品整合服务
6篇 您的检索式:作者名="Defang SHI"
    题名 作者 年代 出处 被引量
1Preparation and application of a novel environmentally frienclly organic seed coating forrice 显示文摘ZENG DEFANG and SHI YAFEI 2009Sci Food Agric2009,89,:1
2Preparation and application of a novel enviromnentally friendly organic seed coating for rice 显示文摘Zeng Defang Shi Yafei 2009Journal of the Selene e of Food and Agriculture2009,89,13:1
3Effects of Annealing on Pt/Co Multilayer Films显示文摘Annealing effects are helpful guides to study Pt/Co multilayer interface diffusions.However,the results reported till now are different.Here we report the increase in coercivity Hc and the decrease in Kerr rotationθk after being annealed in vacuum or argon atmosphere.We attribute these effects to the formation of CoPt3 compound.JIANG Zhihong SHEN Defang SHI Tiansheng GUO Changlin GUO Rongfa 1994Chinese Physics Letters1994,11,3:0
4Ultrafiltration of Shiitake Polyphenol with Ultrasound Enhancement显示文摘Ultrafiltration(UF) experiments were subjected to the concentration of Shiitake polyphenol(SP) with ultrasound(US) enhancement, by which the effects of the main parameters such as ultrasonic power, transmembrane pressure, temperature and axial flow-rate on the membrane fluxes were analyzed, and then the SP of the ultrafiltrate after follow-up resin adsorption by HPLC was investigated. The results indicated that US could significantly enhance the membrane fluxes. The optimal conditions obtained was as follows: 0.60 W/cm2 US power, axial flow-rate of 80 L/h,operation temperature 30 ℃, transmembrane pressure 0.10 MPa. US increased the absorption capacity of the absorbent resin during the following stage. The HPLC analysis also showed that catechins were purified to some extent as the ultrafiltrate was treated by US and macroporous resin, indicating the technology of US enhancement coupled with UF showed the potential for concentration and purification of SP by absorbent resins.Defang SHI Hong GAO Xiuzhi FAN De YANG Shujing XUE Wei CHENG 2015Agricultural Science & Technology2015,16,10:0
5Analysis About 26 Cases of Facial Paralysis Under the Therapy of TDP Accompanied with Punture显示文摘AnalysisAbout26CasesofFacialParalysisUndertheTherapyofTDPAccompaniedwithPunture¥ShiDefang(QingDaopowerstationvalvesfactoryhos...Shi Defang(Qing Dao power station valves factory hospital 266043) 1995中国针灸1995,15,S2:0
6Formation of disinfection by-products during sodium hypochlorite cleaning of fouled membranes from membrane bioreactors显示文摘Periodic chemical cleaning with sodium hypochlorite(NaClO)is essential to restore the membrane permeability in a membrane bioreactor(MBR).However,the chlorination of membrane foulants results in the formation of disinfection by-products(DBPs),which will cause the deterioration of the MBR effluent and increase the antibiotic resistance in bacteria in the MBR tank.In this study,the formation of 14 DBPs during chemical cleaning offouled MBR membrane modules was investigated.Together with the effects of biofilm extracellular polymeric substances(EPS),influences of reaction time,NaClO dosage,initial pH,and cleaning temperature on the DBP formation were investigated.Haloacetic acids(HAAs)and trichloromethane(TCM),composed over 90%of the DBPs,were increasingly accumulated as the NaClO cleaning time extended.By increasing the chlorine dosage,temperature,and pH,the yield of TCM and dichloroacetic acid(DCAA)was increased by up to a factor of 1–14,whereas the yields of haloacetonitriles(HANs)and haloketones(HKs)were decreased.Either decreasing in the chlorine dosage and cleaning temperature or adjusting the pH of cleaning reagents toward acidic or alkaline could effectively reduce the toxic risks caused by DBPs.After the EPS extraction pretreatment,the formation of DBPs was accelerated in the first 12 h due to the damage of biofilm structure.Confocal laser scanning microscopy(CLSM)images showed that EPS,particularly polysaccharides,were highly resistant to chlorine and might be able to protect the cells exposed to chlorination.Hao Wang Defang Ma Weiye Shi Zhiyu Yang Yun Cai Baoyu Gao 2021Frontiers of Environmental Science & Engineering2021,15,5:0
返回顶部 每页显示:
共1页 首页 上一页 第1页 下一页 末页 /1 跳转

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1 渝公网安备 50019002500403号 违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费