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油菜籽中高效氟吡甲禾灵及其代谢物的残留检测与膳食风险评估 被引量:5
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作者 张洋 杨丽华 +3 位作者 龚道新 王寒 郑蒋夫 卿朝霞 《湖南农业大学学报(自然科学版)》 CAS CSCD 北大核心 2021年第3期326-331,共6页
通过添加回收试验建立高效氟吡甲禾灵及其代谢物氟吡禾灵在油菜籽中的残留检测方法;2018—2019年,在河南济源、安徽合肥、浙江杭州、湖北武汉、湖南长沙、四川彭州、云南昆明、广西南宁等8地开展高效氟吡甲禾灵最终残留量试验,并对其进... 通过添加回收试验建立高效氟吡甲禾灵及其代谢物氟吡禾灵在油菜籽中的残留检测方法;2018—2019年,在河南济源、安徽合肥、浙江杭州、湖北武汉、湖南长沙、四川彭州、云南昆明、广西南宁等8地开展高效氟吡甲禾灵最终残留量试验,并对其进行膳食摄入风险评估。结果显示:采用乙腈超声提取,经弗罗里硅土层析柱净化,结合高效液相色谱检测油菜籽样品中高效氟吡甲禾灵,采用NaOH-甲醇混合溶液提取,经N-丙基乙二胺净化,结合液相色谱质谱联用检测油菜籽样品中氟吡禾灵,在0.05、0.30、3.00 mg/kg 3个添加水平下,高效氟吡甲禾灵和氟吡禾灵在油菜籽中的平均添加回收率分别为77%~87%和77%~100%,相对标准偏差分别为6%~13%和1%~8%;48%高效氟吡甲禾灵乳油制剂按0.011 g/m^(2)用量施药,在油菜成熟期采收的油菜籽中高效氟吡甲禾灵及其代谢物氟吡禾灵的残留量均小于0.05 mg/kg,总量均小于0.10 mg/kg,推荐高效氟吡甲禾灵在油菜籽上的最大残留限量为0.10 mg/kg;普通人群高效氟吡甲禾灵的国家估算每日摄入量为0.046 56 mg,占日允许摄入量的105.58%,对一般人群健康可能产生不可接受的风险。 展开更多
关键词 高效氟吡甲禾灵 氟吡禾灵 油菜籽 除草剂 残留检测方法 残留量 膳食风险评估
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Environmentally‐friendly carbon nanomaterials for photocatalytic hydrogen production 被引量:6
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作者 Sheng Xiong Rongdi Tang +6 位作者 Daoxin Gong Yaocheng Deng Jiangfu Zheng Ling Li Zhanpeng Zhou Lihua Yang Long Su 《Chinese Journal of Catalysis》 SCIE EI CAS CSCD 2022年第7期1719-1748,共30页
Currently,the energy crisis is the crucial problem faced by the world,and photocatalytic hydrogen(H_(2))production is recognized with a chance to be a standout amongst those guaranteeing results to this issue.For a lo... Currently,the energy crisis is the crucial problem faced by the world,and photocatalytic hydrogen(H_(2))production is recognized with a chance to be a standout amongst those guaranteeing results to this issue.For a long time,photocatalytic H_(2) production has mainly relied on the noble metal cata‐lysts.However,the limitations of noble metals themselves,such as scarcity and high cost,have se‐verely restricted their large‐scale application.Therefore,it is urgent to seek a cheaper,more effi‐cient,and stable catalyst for photocatalytic H_(2) production.Fortunately,the emergence of carbon nanostructured materials(CNMs)has brought dawn.Its excellent structure and semiconductor performance can effectively participate in photocatalytic H_(2) production.CNMs have developed rap‐idly since they appeared in the field of photocatalytic water splitting.Therefore,it is necessary to summarize the latest progress of CNMs promptly for further development.This review introduced the CNMs,including carbon dots,fullerenes,carbon nanotubes,graphene,and graphdiyne,which is a powerful assistant in photocatalytic H_(2) production.CNMs can provide abundant adsorption and active sites,charge separation and transport channels,photocatalysts,co‐catalysts and photosensi‐tizers.Then,this review has introduced the strategy for enhancing CNMs in photocatalytic H_(2) pro‐duction based on recent research.Finally,the challenge faced by CNMs in photocatalytic H_(2) produc‐tion has prospected. 展开更多
关键词 Carbon nanostructured materials PHOTOCATALYSIS Hydrogen production
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