Results 91 to 100 of about 35,285 (237)
[Chemical diversity of dissolved organic matter revealed by ultra performance liquid chromatography-Fourier transform ion cyclotron resonance mass spectrometry]. [PDF]
Se Pu, 2023 Ma C, Ni HX, Qi YL.
europepmc +1 more source
Mobilizing fears? How proximity to deportation threat affects political participation
Policy Studies Journal, EarlyView.Abstract Policies often provoke political changes, which are collectively known as feedback effects. Studying state variation in immigration policy, scholars have shown that proximity to hostile policy tends to mobilize Latinos. But not every member of the Latino community is likely to perceive the same proximity to anti‐immigrant policies.
Mackenzie Israel‐Trummel +2 more
wiley +1 more source
Population genetic variation and symbiotic and associated bacteria diversity studies of bryozoan Bugula neritina based on high-throughput sequencing [PDF]
, 2016 多室草苔虫是一种重要的药源生物，从这种生物体内提取出的多种草苔虫内酯被证明有着较强的抗癌活性，其中草苔虫内酯bryostatin1是治疗阿尔茨海默症和多种癌症的最有希望的药物来源，而草苔虫内酯bryostatin1的产生与多室草苔虫体内的共生细菌“CandidatusEndobugulasertula”密切相关。然而，国内学者从中国沿海的多室草苔虫中却一直未能成功提取出这种最具药用价值的草苔虫内酯bryostatin1 ...
李海
core
Policy Studies Journal, EarlyView.Abstract Welfare participation is associated with lower turnout among adults. For many citizens, however, their first experiences with welfare occur during a critical time of political development in adolescence. Does growing up on welfare lower turnout in young adulthood?
Nathan K. Micatka
wiley +1 more source
野生动物学报, 2015 近年来,城市化对鸟类的影响受到生态学家的广泛关注。于2014年3～5月对哈尔滨市区7块城市绿地中鸟类的分布和数量进行了调查,同时选取4个城市化指标以确定影响哈尔滨市区鸟类群落的主要城市化因子,并进一步分析哈尔滨城市化与鸟类群落的关系。调查共记录到鸟类121种隶属于14目38科。在7个样地中,鸟类群落多样性指数显示为:H群力湿地公园>H植物园>H太阳岛>H东北林业大学林场>H兆麟公园>H四季上东小区>H儿童公园; 均匀性指数E群力湿地公园>E植物园>E东北林业大学林场>E太阳岛>E四季上东小区>E兆麟公园>
王 舒 童玉平 王志洁 姚依晨 刘力榕 李 枫
doaj
多元多项式样条在<I>L<SUB>p</SUB></I>(R<SUP>d</SUP>)尺度下的极值性质 [PDF]
, 2001 永平 刘, 贵桥 许
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On a branching route: The spectrum of path dependence in policy research
Review of Policy Research, EarlyView.Abstract This article describes the evolution of discussions around the concept of path dependence, which has established itself as an explanatory framework in various academic disciplines, including policy research. It outlines the diversity of conceptual ideas, presents efforts at specification that have expanded the range of possible interpretations
Jürgen Beyer
wiley +1 more source