Results 91 to 100 of about 65,113 (194)

[Associations between early onset of puberty and obesity types in children: Based on both the cross-sectional study and cohort study]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban, 2022
Ma T   +11 more
europepmc   +1 more source

陆生野生动物调查中的问题及解决办法

open access: yes野生动物学报, 1997
陆生野生动物调查中的问题及解决办法陈学军,关东明1996年,林业部先后成立了以王志宝副部长为组长的全国陆生野生动物资源调查与监测工作领导小组、调查办公室及由全国知名专家组成的专家指导委员会。问时还在林业部规划院环境与野生动物监测中心的基础上,成立了国...
陈学军, 关东明
doaj  

社区疫情排查的智能优化调度方法

open access: yes智能科学与技术学报, 2020
在应对突发重大传染病时,社区防控是整个社会疫情防控的重要一环。在新型冠状病毒肺炎疫情社区防控实践经验的基础上,提出一个社区疫情排查调度问题的数学模型,根据相关疫情防控信息为社区重点住户估算风险指数,并在此基础上将重点住户分配给各个排查工作小组,为每个小组设定排查路线,从而尽可能高效地完成各项排查任务。为求解该问题,提出一种混合智能优化调度算法,它基于水波优化的启发式策略搜索解空间,并混合了两种局部搜索策略来提高解的精度,形成初步调度方案。在调度方案的实施过程中,如果排查到某个对象有特殊情况需要处置 ...
陈鑫   +4 more
doaj  

Conditions Favoring the Reduction of Pesticides: A Qualitative Comparative Analysis of EU Member States

open access: yesReview of Policy Research, EarlyView.
ABSTRACT Pesticide use in agricultural production presents a significant sustainability challenge, balancing crop protection against environmental and health risks. While the EU pro‐vides a common regulatory framework, the implementation in the member states varies considerably.
Giulia Bazzan   +2 more
wiley   +1 more source

Audit to assess the quality of 916 prosthetic prescriptions of removable partial dentures. [PDF]

open access: yesHua Xi Kou Qiang Yi Xue Za Zhi, 2023
Zhang N   +9 more
europepmc   +1 more source

“黑龙江省野生动物资源调查和执法检查工作会议在哈尔滨市举行”

open access: yes野生动物学报, 1999
黑龙江省林业厅野生动物管理处及省野生动物资源调查办公室于1998年10月27日至30日在省城哈尔滨召开了全省野生动物资源调查和执法检查工作会议.
李林
doaj  

Managing Risk, Reinforcing Environmental Racism: The Biopolitics of Pesticide Regulation in California Agriculture

open access: yesReview of Policy Research, EarlyView.
ABSTRACT This paper provides a retrospective on California's oversight of 1,3‐dichloropropene (1,3‐D). It utilizes archival documents, including internal memos, emails, and risk assessments, to demonstrate how the state's Department of Pesticide Regulation consistently expanded allowable 1,3‐D use while presenting each policy change as scientifically ...
Kaitlyn Alvarez Noli
wiley   +1 more source

[The investigation on the acute, severe hepatitis of unknown origin in children]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi, 2022
Yao KH, Meng QH, Yu D.
europepmc   +1 more source

对观赏鸟类出口检疫的探讨

open access: yes野生动物学报, 1995
本文总结出口观赏鸟类持续上升,出口检疫面临检疫时间短、批次多;疫情复杂;检疫手段落后;运输环节多等问题。提出以合同检疫要求、两国间检疫条款或我国的法定检疫要求为标准检疫,对做好出口观赏鸟的检疫提出三条对策:即口岸检疫和产地调查相结合,每2-3个月进行一次产地调查;货主自检和检疫人员抽查相结合,促使货主把好进货关;临床检查和实验室检查相结合,提出了鸟类在健康和不健康时的种种表现、症状,病理变化,探讨了产地调查、临床检查、实验室检查、鸟类采血及血清学检查、货主自查的详细内容和标准 ...
罗朝科
doaj  

Survey Experiments in Public Policy: A Systematic Literature Review

open access: yesReview of Policy Research, EarlyView.
ABSTRACT This systematic literature review examines population‐based survey experiments (PBSE) in public policy, analyzing 36 peer‐reviewed articles from Web of Science and Scopus databases. Based on PBSE methodological literature and the review, four main types of PBSE are distinguished: methodological, direct (based on information provision ...
Radek Kovács, Arnošt Veselý
wiley   +1 more source

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