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Study on Preparation and Release of Proanthocyanidins-Mesoporous Silica Nanoparticles Complexes(原花青素-介孔二氧化硅纳米颗粒复合体制备及释放研究) [PDF]

open access: yesShipin kexue jishu xuebao, 2020
Proanthocyanidins (PC) with high anti-oxidative activity are broad categories of polyphenol compounds that widely exist in plants and are widely used in food, medicine and other fields.
FU Xin(付欣)   +5 more
doaj   +1 more source

Composition Analysis of Phenolic Compounds with Different Polarities in Walnut Green Husk(核桃青皮不同极性酚类物质组成分析) [PDF]

open access: yesShipin kexue jishu xuebao, 2019
As a by-product of walnut processing, walnut green husk contains different polar phenolic substances with different compositions. In order to grading utilization of walnut green husk resources, orthogonal test was used to optimize the extraction process ...
LIU Rui(刘瑞)   +4 more
doaj   +1 more source

Comparative Study of Free and Bound Volatile Components in Lichuan Black Tea and Enshi Green Tea(利川红茶与恩施绿茶中游离态与键合态挥发性物质对比分析) [PDF]

open access: yesShipin kexue jishu xuebao, 2022
The kinds and contents of free and bound volatile substances in Lichuan black tea and Enshi green tea, which are unique to Enshi, Hubei province, Wuling area, were studied by headspace solid-phase microextraction technology combined with gas ...
ZHAO Shilan(赵诗兰)   +6 more
doaj   +1 more source

Taxonomic study on Orychophragmus Bunge (Brassicaceae),a genus endemic to China(中国特有植物诸葛菜属(十字花科)的分类研究)

open access: yesZhejiang Daxue xuebao. Lixue ban, 2017
诸葛菜属Orychophragmus Bunge为中国特有植物,至今为止在分类学上仍存在较大分歧.在文献考证、野外采集和标本查阅的基础上,对诸葛菜O. violaceus、铺散诸葛莱O. diffusus(O. violaceus var. homaeophyllus)、湖北诸葛莱O. hupehensis、太白诸葛菜O. taibaiensis的13个形态性状进行了观测.基于对6个居群58个个体的形态性状的观测数据,进行了主成分分析(PCA).结果表明:(1)PCA散点图显示所分析的所有个体可分成3类,
CHENZhenhui(陈珍慧)   +4 more
doaj   +1 more source

Four new plant records of Zhejiang discovered in Wenzhou(发现于温州的4种浙江植物分布新纪录)

open access: yesZhejiang Daxue xuebao. Lixue ban, 2014
报道了近来发现的4个浙江分布新记录种:茄科的水茄Solanum torvum Swartz和多裂水茄Solanum chrysotrichum Schlechtendal; 爵床科的早田氏 爵床Justifies hayatae Yamamoto;菊科的银胶菊Parthenium hysterophorus Linnaeus.
LAIMengmeng(赖蒙蒙)   +4 more
doaj   +1 more source

金属污染物通过铁死亡诱导神经毒性的研究进展

open access: yes浙江大学学报. 医学版
研究证实多种金属污染物暴露可诱导神经毒性,并与神经系统相关疾病的发生发展密切相关。铁死亡是细胞响应金属污染物暴露的细胞死亡方式,其与氧化应激、铁代谢、脂质过氧化等密切相关。近年研究发现,在铅、镉、锰、镍和锑等金属诱导的神经毒性中铁死亡发挥重要作用,如铅暴露通过氧化应激、铁代谢紊乱和炎症触发铁死亡;镉可通过铁离子代谢、氧化应激以及铁死亡相关信号通路引发铁死亡;锰可通过线粒体功能障碍、铁代谢紊乱和氧化应激促进铁死亡;镍可通过氧化应激影响线粒体功能以及破坏铁稳态并促进其中枢神经系统的脂质过氧化,激活铁死亡 ...
秦 子玉   +3 more
doaj   +1 more source

Community feature and species diversity of Acacia mearnsii communities in Wenzhou(外来种黑荆树的群落特征及其对物种多样性的影响)

open access: yesZhejiang Daxue xuebao. Lixue ban, 2010
以温州地区黑荆树(Acacia mearnsii)入侵群落为对象,采用样方法对10个样地进行了群落学调查,研究其群落的种类组成、区系特点、数量特征和物种多样性,探讨了黑荆树对群落物种多样性的影响.结果表明:①群落中共出现了225种维管束植物,分属于77科162属;②在种子植物属的分布区类型上,属于热带类型的有74属,占总属数的51.10%;温带类型50属,占总属数的34.48%;③群落可分为3种类型,其成层现象不明显,上木层中以黑荆树的优势度最大;下木层的物种丰富,各样地黑荆树的重要值有较大差异 ...
KEQian-qian(柯倩倩)   +5 more
doaj   +1 more source

New materials of the seed plants in Zhejiang (III)(浙江种子植物新资料(III))

open access: yesZhejiang Daxue xuebao. Lixue ban, 2009
作为浙江种子植物区系资料的补充,报道了在植物标本采集和鉴定过程中,发现的一些浙江地理分布新记录.共有11种1变种,它们是:毛莨科Ranunculaceae的小蓑衣藤Clematis gouriana;卫矛科Celastraceae的短刺刺果卫矛 Euonymus acanthocarpus var.
JINXiao-feng(金孝锋)   +3 more
doaj   +1 more source

改性粘土对对虾养殖池塘主要生源要素的调控作用

open access: yesHaiyang yu huzhao
高强度养殖活动显著改变了主要生源要素的分布特征与循环过程,导致养殖水体呈现严重富营养化状态、有害藻华频发,既限制了养殖业的健康发展,又对周围海洋生态环境造成了负面影响。近年来,养殖水体水质调控成为研究热点,基于2023年5~9月份对莱州湾凡纳滨对虾精养池塘水体主要生源要素的现场观测与对比体系研究,揭示了改性粘土对主要生源要素分布特征的影响,结合培养实验,探究了改性粘土对主要生源要素循环的调控作用。结果表明,对虾养殖池塘水体中主要生源要素(碳、氮和磷)含量整体呈现波动上升的变化趋势。喷洒改性粘土24 ...
陈 静   +6 more
doaj   +1 more source

尿素合铁改性粘土:一种多元控制赤潮的新型矿物复合材料

open access: yesHaiyang yu huzhao
赤潮暴发不仅会导致水体中积聚过量微藻细胞,还常常伴随出现氮磷等富营养化污染因子超标的问题。随着生态环境治理要求的提升,有害赤潮治理不仅需要高效除藻来控制灾害,还需要同时净化水体中的其他污染物质,对受污染水环境进行综合治理。该研究面向有害赤潮综合治理需求,以现有改性粘土法为基础,探究了在粘土中引入尿素合铁材料制备功能性赤潮治理材料的方法可行性,实验测试了新制备尿素合铁改性粘土(ferric carbamide complex-modified clay, FMC)的除藻降磷效果 ...
张 博闻   +4 more
doaj   +1 more source

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