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一种盐碱地改良设备及方法
专利
专利号: 2023115022479, 申请日期: 2024-01-09,
作者:
马倩
;
盖国卫
;
李洪秀
;
宋乐慧
;
李振华
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  |  
浏览/下载:3/0
  |  
提交时间:2024/01/26
戒烟干预对慢性阻塞性肺病的影响
期刊论文
中国药物依赖性杂志, 2021, 卷号: 30, 期号: 06, 页码: 401-406
作者:
谢娜
;
黎倩伶
;
李勇辉
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  |  
浏览/下载:32/0
  |  
提交时间:2022/01/14
慢性阻塞性肺疾病
吸烟
戒烟干预
治疗效果
甲基苯丙胺不同给药时程及天麻素的干预对建立大鼠条件性位置偏爱模型的影响
期刊论文
昆明医科大学学报, 2019, 卷号: 40, 期号: 3
作者:
黄兆奎
;
石振金
;
吴亚梅
;
周一卿
;
陈立方
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  |  
浏览/下载:25/0
  |  
提交时间:2019/12/04
甲基苯丙胺
天麻素
条件性位置偏爱
大剂量甲氨蝶呤(HD-MTX)联合利妥昔单抗治疗初发原发性中枢神经系统淋巴瘤(PCNSL)的疗效
期刊论文
复旦学报(医学版), 2019, 卷号: 46, 期号: 1
作者:
许小平
;
迪娜·索力提肯
;
陈波斌
;
陈彤
;
李佩
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  |  
浏览/下载:15/0
  |  
提交时间:2019/12/05
原发中枢神经系统淋巴瘤(PCNSL)
利妥昔单抗
疗效
预后
大气颗粒物中重金属的双脉冲激光诱导击穿光谱研究
期刊论文
红外与激光工程, 2019, 卷号: 48, 期号: 10, 页码: 1-6
作者:
张善春
;
杨帆
;
乔红超
;
李业秋
;
孙成林
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  |  
浏览/下载:29/0
  |  
提交时间:2019/11/14
激光诱导等离子体
双脉冲激光
脉冲间隔时间
大气重金属
TIPE2在小鼠巨噬细胞焦亡中的作用:采用siRNA技术评价
期刊论文
中华麻醉学杂志, 2019, 卷号: 39
作者:
孔倩
;
李珍
;
赵博
;
段薇娜
;
邱珍
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  |  
浏览/下载:5/0
  |  
提交时间:2019/12/05
细胞焦亡
巨噬细胞
关于建立中国家族性高胆固醇血症新简化诊断标准的探索性研究
期刊论文
2019, 卷号: 34, 期号: 6, 页码: 533-538
作者:
曹晔萱
;
孙荻
;
刘慧慧
;
靳景璐
;
李莎
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  |  
浏览/下载:37/0
  |  
提交时间:2020/01/03
家族性高胆固醇血症
诊断
简化标准
中国人群
食用蔬菜能吸收和积累微塑料
期刊论文
科学通报, 2019, 卷号: 64, 期号: 9, 页码: 928-934
作者:
李连祯
;
周倩
;
尹娜
;
涂晨
;
骆永明
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  |  
浏览/下载:63/0
  |  
提交时间:2020/06/17
微塑料
生菜
聚苯乙烯微球
吸收
积累
健康风险
microplastics
lettuce
polystyrene microbeads
uptake
accumulation
human health risk
Microplastic (MP, 100 nm-5 mm) may present an attributable risk to ecosystem and human health, and its pollution has become a global environmental concern. Despite a wealth of information on the accumulation of MPs in aquatic species, there is no information on the uptake and accumulation of MPs by higher plants. Terrestrial edible plants are directly exposed to MPs when agricultural soil was applied with organic manure, sewage sludge as fertilizer or plastic mulching. In this paper, the uptake of two sizes of polystyrene (PS) microbeads (0.2 and 1.0 mum) and then their distribution and migration in an edible plant lettuce were firstly investigated based on laboratory experiments. We used fluorescent markers to track PS microbeads in plant tissues and found fluorescence to be a sensitive and reliable detection method. Sections from untreated control lettuce showed no autofluorescence. When roots were treated with fluorescently labeled PS microbeads, the microbeads could be identified by its fluorescence. Our main study investigated the uptake of 0.2 mum beads, as few luminescence signals were observed in lettuce roots for 1.0 mum beads in our experiment. We observed that 0.2 mum fluorescent microbeads were extracellularly trapped in the root cap mucilage (which is a highly hydrated polysaccharide) and a dark green tip (which was typical of lettuce roots exposed to label PS beads) was usually visible to the naked eye. Confocal images revealed that the PS luminescence signals were mainly located in the vascular system and on the cell walls of the cortex tissue of the roots, indicated that the beads passed through the intercellular space via the apoplastic transport system. Once inside the central cylinder, the 0.2 mum PS beads were transferred from the roots to the stems and leaves via the vascular system following the transpiration stream. We also observed that the PS beads adhered to one another and self-assembled systematically into grape-like and (chain) string-like clusters in the intercellular space of the root and stem vascular tissue of lettuce plant. In contrast to the root and stem, PS beads were dispersed in the leaf tissue. Here, for the first time we provide evidence of the adherence, uptake, accumulation, and translocation of submicrometer MPs within an edible plant. Our findings highlight the previously underappreciated human exposure pathway to MPs through the consumption of contaminated crops and emphasize the need for new management strategies to control the release of MPs waste products into the terrestrial environment. Ultimately, the potential impacts of low range sized MPs on food safety of crop plants and human health need to be urgently considered.
一种激光器晶圆、激光器芯片及其制作方法
专利
专利号: CN109038206A, 申请日期: 2018-12-18, 公开日期: 2018-12-18
作者:
李密锋
;
方娜
;
陈如山
;
王艳
;
程宗鸿
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  |  
浏览/下载:7/0
  |  
提交时间:2020/01/18
云南省美沙酮维持治疗人群服药依从性及影响因素
期刊论文
昆明医科大学学报, 2018, 卷号: 39, 期号: 12
作者:
雷红涛
;
杨瑶
;
甘源
;
乔静静
;
毕艳
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2019/12/04
美沙酮维持治疗
脱失率
影响因素
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