排序方式: 共有76条查询结果,搜索用时 31 毫秒
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Im Jahr 2005 wurde das Gentechnikgesetz grundlegend novelliert. Damit kam der deutsche Gesetzgeber seinen europarechtlichen
Verpflichtungen zur Anpassung des Rechts der Grünen Gentechnik – also der Nutzung gentechnischer Methoden durch Unternehmen
der Agro-Industrie und der Saatgutbranche – nach. Neben einer Versch?rfung der Sicherheitsma?nahmen, der Einrichtung eines
besonderen Ausschusses für Freisetzung und Inverkehrbringen sowie umfangreicher Regelungen zur Sicherstellung der Koexistenz
konventioneller/?kologischer und gentechnischer Anbaumethoden enthielt die Novelle auch die Aufnahme des § 34a in das Bundesnaturschutzgesetzes4.
Der neue § 34a BNatSchG soll Fragen des Einsatzes gentechnisch ver?nderter Organismen (GVO) in Europ?ischen Naturschutzgebieten
des Netzwerks „Natura 2000“ regeln. Die ersten Praxiserfahrungen mit dieser Vorschrift sind ernüchternd. Den erhofften Schub
in Richtung Schutz ?kologisch sensibler Gebiete brachte sie bislang nicht. 相似文献
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Do parties change their platform in anticipation of electoral losses? Or do parties respond to experienced losses at the previous election? These questions relate to two mechanisms to align public opinion with party platforms: (1) rational anticipation, and (2) electoral performance. While extant work empirically tested, and found support for, the latter mechanism, the effect of rational anticipation has not been put to an empirical test yet. We contribute to the literature on party platform change by theorizing and assessing how party performance motivates parties to change their platform in-between elections. We built a new and unique dataset of >20,000 press releases issued by 15 Dutch national political parties that were in parliament between 1997 and 2014. Utilizing automated text analysis (topic modeling) to measure parties’ platform change, we show that electoral defeat motivates party platform change in-between elections. In line with existing findings, we demonstrate that parties are backward-looking. 相似文献
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Bente Rasmussen 《Nora, Nordic Journal of Women's Studies》2013,21(3):183-184
The late eighteenth and early nineteenth centuries represented a period of new conceptual theorizations of “woman” both in the sphere of biological discourse and in literature and philosophy. My focus in this article is on how G.W.F. Hegel constructs gender identity and gender difference philosophically and conceptually. I argue that although the concept “gender identity” was not part of nineteenth‐century vocabulary, Hegel does in fact construct gender difference through a conceptual differentiation between reflexive self‐differentiation and undifferentiated identity constructed as a “difference from difference”. This fundamental logic of gender difference is apparent both in the sphere of Hegel's natural philosophy, in bodily differences between male and female bodies, and in the sphere of social life, in the differentiated spheres of action Hegel prescribes for men and women. Behind both the female body and the position of women as belonging to only one domestic sphere of action lies for Hegel the undifferentiation of spirit, the incapacity to active self‐differentiation and divided or “torn” self‐consciousness. The male body and the position of man as citizen, in contrast, are described by Hegel to be determined by their inner and outer negativity, struggle, and differentiation. 相似文献
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Schneider PM Bender K Mayr WR Parson W Hoste B Decorte R Cordonnier J Vanek D Morling N Karjalainen M Marie-Paule Carlotti C Sabatier M Hohoff C Schmitter H Pflug W Wenzel R Patzelt D Lessig R Dobrowolski P O'Donnell G Garafano L Dobosz M De Knijff P Mevag B Pawlowski R Gusmão L Conceicao Vide M Alonso Alonso A García Fernández O Sanz Nicolás P Kihlgreen A Bär W Meier V Teyssier A Coquoz R Brandt C Germann U Gill P Hallett J Greenhalgh M 《Forensic science international》2004,139(2-3):123-134
Degradation of human DNA extracted from forensic stains is, in most cases, the result of a natural process due to the exposure of the stain samples to the environment. Experiences with degraded DNA from casework samples show that every sample may exhibit different properties in this respect, and that it is difficult to systematically assess the performance of routinely used typing systems for the analysis of degraded DNA samples. Using a batch of artificially degraded DNA with an average fragment size of approx. 200 bp a collaborative exercise was carried out among 38 forensic laboratories from 17 European countries. The results were assessed according to correct allele detection, peak height and balance as well as the occurrence of artefacts. A number of common problems were identified based on these results such as strong peak imbalance in heterozygous genotypes for the larger short tandem repeat (STR) fragments after increased PCR cycle numbers, artefact signals and allelic drop-out. Based on the observations, strategies are discussed to overcome these problems. The strategies include careful balancing of the amount of template DNA and the PCR cycle numbers, the reaction volume and the amount of Taq polymerase. Furthermore, a careful evaluation of the results of the fragment analysis and of automated allele calling is necessary to identify the correct alleles and avoid artefacts. 相似文献
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Marianne Skogbrott Birkeland Kyrre Breivik Bente Wold 《Journal of youth and adolescence》2014,43(1):70-80
Having a distant relationship with parents seems to increase the risk of developing a more negative global self-esteem. This article describes a longitudinal study of 1,090 Norwegian adolescents from the age of 13–23 (54 % males) that explored whether peer acceptance can act as a moderator and protect global self-esteem against the negative effects of experiencing low closeness in relationships with parents. A quadratic latent growth curve for global self-esteem with closeness to parents and peer acceptance as time-varying covariates was modeled, taking partial measurement invariance in global self-esteem into account. Peer acceptance was found to have a general protective effect on global self-esteem for all adolescents. In addition, at most ages, peer acceptance was found to have a protective-stabilizing effect on the relationship between closeness to parents and global self-esteem. This indicates that peer acceptance can be an especially valuable source of global self-esteem when closeness to parents is low. 相似文献
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Tobias Schumacher 《European Security》2015,24(3):381-401
This article analyses the role of narratives in European Union (EU) external relations in the revised European Neighbourhood Policy (ENP) and systematically explores how they operate in practice in the context of the EU's border management practices vis-à-vis the “southern borderlands”, in particular with respect to their inclusionary and exclusionary potential. Key EU documents and statements by EU agents, released throughout the first three years of Arab uprisings and pertaining to the revised ENP, will be subjected to a thorough examination which highlights four observations: first, in spite of the fact that the revised ENP is rooted in several narratives, some nevertheless dominate over others; second, the simultaneous presence of and recourse to different narratives contribute to an increase, rather than a decrease, of uncertainty in the EU's southern borderlands; third, despite a multitude of narratives which serve to legitimize EU action in the framework of the revised ENP, the latter perpetuates the logics of its predecessor by generating benefits mainly for the EU itself; fourth, that the first three years of the revised ENP have in practice demonstrated that an imbalance exists between on the one hand the original acceptance of the narratives by EU stakeholders and on the other hand their willingness to abide by them and fill them with life. 相似文献
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Johanna Pretsch Natalie Ehrhardt Lisa Engl Björn Risch Jürgen Roth Stefan Schumacher Manfred Schmitt 《Social Justice Research》2016,29(1):119-138
School can be regarded as an important factor in the development of children’s values and attitudes. Given this great importance of justice experiences for students’ development, this study aimed at examining the influence of perceived injustice in school on students’ emotions, well-being, and behavior with an experimental longitudinal design. In total, 196 students participated in this study and came to the university with their classes to receive extra teaching once a week for six consecutive weeks. To manipulate justice perceptions, a scenario of arbitrary privilege was chosen to lead students of the experimental group to experience injustice from a beneficiary perspective. We found that students in the experimental group reported higher well-being and a higher appreciation of the opportunity to learn than the control group did. Additionally, they showed an increase in justice-related negative emotions over time; that is, they expressed more of a bad conscience and stronger feelings of anger the more they became aware of their privilege. This study shows that even subtle experiences of injustice in school can have an impact on students’ outcomes. These results are discussed with regard to practical implications. 相似文献