食品安全问题处理体系主要由合同规制、侵权规制和刑罚规制组成,其中,最重要也是使用频率最高的是侵权规制。由于社会成本逐渐增加以及交易费用增加,私人部门应对食品安全问题的难度也越来越大,这也导致行为人内部化社会成本的激励越来越小,最终公共部门的介入保障了这种激励。由私人部门应对为主到公共部门介入的这个过程中,处理食品安全问题需要的投入,也就是规制成本也越来越大。所以我们可以对食品安全问题进行一个最优的分析,一是既定社会成本的条件下,最大化其治理结果;或者在侵害结果既定的条件下,减少社会成本的投入。总而言之,
Objective To study endothelial damage by observing changes of circulating endothelial cells (CECs) in blood, coagulation and fibrinolysis index in patients with
Objective.To establish a flow cytometric internal standard method for counting platelet-derived microparti-cles(PMPs)and to study its clinical significance. Met
A rabbit anti-serum to tree shrew apolipoprotein C-I (apo C-l) was used to screen an expression cDNA li-braDy constructed by us from tree shrew (TS) liver tissu
本研究运用文献资料法、逻辑分析法、访谈法等研究方法对云南省少数民族体质健康网络信息平台建设过程中的功能拓展进行探讨,旨在进一步提高网络信息平台为云南少数民族体质健康服务功能的广度与深度。通过分析认为:云南少数民族体质健康测试信息网络平台应在已有其他相关网络平台功能的基础上增加数据多维度分析的相关内容以提高数据利用率及利用效果;应在已有相关信息网络平台功能基础上增加线下服务功能,使线上与线下功能相互支撑有机结合,最终达到促进云南少数民族体质健康水平的目的。
Objective To investigate the feasibility of whole body diffusion weighted imaging (WB-DWI) in screening metastasis. Methods WB-DWI was performed in 24 patients
We propose an ultra-thin glass film coated with graphene as a new kind of surrounding material which can greatly enhance spontaneous emission rate(SER) of dipol
Objective To demonstrate the myocardial lesion associated with long-term administration of methamphetamine in rats. Methods The experimental models of intoxicat
Objective. To evaluate the clinical utility of a new non-invasive enzyme immunoassay(EIA) for the diagnosis of Helicobacter pylori (H.pylori) infection. Methods