Results 1 to 10 of about 5,288 (110)
立足新发展阶段,统筹平安和发展,建设更高水平的平安法治文明城市。以昆明市呈贡区为例,综合运用核密度估计法、犯罪集中度、空间自相关分析、标准差椭圆法等GIS方法,分析2015、2017、2019年的犯罪数量与犯罪危害程度空间分异规律。结果表明:(1)犯罪数量的空间格局以城市核心区集聚为主,高密度和较高密度集聚区主要分布于交通便捷、经济活动频繁、人员密集的老城区、商业中心及大学城周围居住区。犯罪危害程度在空间上形成龙城片区“单核心”的格局并未被打破,且高密度集聚区的空间分布与犯罪数量的空间分布相似 ...
LIChen(李琛) +4 more
doaj +1 more source
Study on Anti-Idiotype Antibodies Used for Monitoring Hazards in Edible Agricultural Products(抗独特型抗体在食用农产品危害物监控中的应用研究) [PDF]
The hazards which affect the quality and safety in edible agricultural products are widely sourced and varied. The hazard risks of biological and chemical pollutants almost accompany the entire supply chains in edible agricultural products, from ...
XU Chongxin(徐重新) +10 more
doaj +1 more source
Influence of λ-Carrageenan Induced Gut Microbiota Disorder on Glucose Metabolism of Mice(λ-卡拉胶诱导的肠道菌群紊乱对小鼠糖代谢的影响) [PDF]
Carrageenan is a common food additive, but its effect on changing the structure of gut microbiota was questioned. In this study, the C57BL/6 mice were given three dosages of λ-carrageenan, including low, medium and high dose (1.7,8.3,41.7mg/kg) for 12 ...
ZHAI Leilei(翟雷雷) +5 more
doaj +1 more source
工业循环冷却水系统中好气异养细菌的危害作用曾一度为人们所忽视。但随着对工业循环水中危害微生物的研究,已认识到这类细菌具有严重的危害性。
孙炳寅 +3 more
doaj +2 more sources
为更好地保护和开发光唇鱼(Acrossocheilus fasciatus)资源,进行了光唇鱼卵原干细胞提取、冻存和移植研究。结果显示,光唇鱼卵原干细胞呈椭圆形,长径和短径分别为(16.52±0.87) µm、(10.66±0.87) µm。低温冻存光唇鱼卵巢时以10%的DMSO作为保护剂效果最好,从冻存卵巢中提取卵原干细胞的效率可达新鲜卵巢的42.22%±1.02%。以孵化出膜3日龄斑马鱼仔鱼为受体,将提取的光唇鱼卵原干细胞用PKH26荧光染料标记后移植入受体鱼腹腔。荧光显微镜观察显示,移植后1~5 ...
王 宏艳 +7 more
doaj +1 more source
Behavioral interventions to reduce demand for threatened freshwater turtles as pets
Abstract Growing demand for freshwater turtles as pets has fueled illegal trade and accelerated wild population declines, underscoring the need for theory‐based demand‐reduction interventions. We conducted a three‐part randomized controlled trial with active turtle keepers (n = 1800) in China to test conservation‐ and legality‐framed messages by ...
Wuji Zheng +9 more
wiley +1 more source
ABSTRACT Disasters and crises disrupt lives and test the capacities of governments and organizations. While their immediate aftermath is often marked by uncertainty and disruption, recurrent patterns in how individuals are affected give rise to foreseeable hardships.
Michel L. A. Dückers
wiley +1 more source
2017—2019年,在习水国家级自然保护区设置31条样线,对保护区内野猪(Sus scrofa)的活动痕迹及危害特征进行调查。根据调查结果,于2019年布设24台红外相机,对保护区内野猪的活动节律进行1年的监测,同时结合对保护区及周边发生的农作物危害事件的实地问卷调查,综合分析了野猪的活动节律、生境选择及危害特征。结果表明:(1)野猪的日活动模式呈双峰型,07:00—10:00和17:00—19:00活动频繁,活动峰值出现在17:00—19:00。野猪在夏季和秋季较为活跃。(2)植被类型、坡度、坡位 ...
王 逍 李 飞 李崇清 李腾飞 杨伶熠 杨 瑞
doaj
Concurrent Crises and Non‐State Service Provision
ABSTRACT Concurrent crises represent a significant challenge for disaster and public health governance. Activated in response to one threat, governing institutions may be distracted or stretched thin during an emergent crisis. In such crises, governments and communities rely heavily on non‐state service providers such as non‐profit organizations and ...
Daniel Sledge, Herschel F. Thomas
wiley +1 more source
Why Pediatric Drowning Must Be a Global Health Priority: A Call to Action
ABSTRACT Pediatric drowning is a leading yet underrecognized cause of child mortality worldwide, disproportionately affecting children in low‐ and middle‐income countries (LMICs). While events in high‐income settings often reflect isolated lapses in supervision or safety barriers, in LMICs drowning is driven by structural inequities, including ...
Carlee Lenehan +4 more
wiley +1 more source

