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61.
DNA commission of the International Society of Forensic Genetics: Recommendations on the interpretation of mixtures 总被引:4,自引:0,他引:4
Gill P Brenner CH Buckleton JS Carracedo A Krawczak M Mayr WR Morling N Prinz M Schneider PM Weir BS;DNA commission of the International Society of Forensic Genetics 《Forensic science international》2006,160(2-3):90-101
The DNA commission of the International Society of Forensic Genetics (ISFG) was convened at the 21st congress of the International Society for Forensic Genetics held between 13 and 17 September in the Azores, Portugal. The purpose of the group was to agree on guidelines to encourage best practice that can be universally applied to assist with mixture interpretation. In addition the commission was tasked to provide guidance on low copy number (LCN) reporting. Our discussions have highlighted a significant need for continuing education and research into this area. We have attempted to present a consensus from experts but to be practical we do not claim to have conveyed a clear vision in every respect in this difficult subject. For this reason, we propose to allow a period of time for feedback and reflection by the scientific community. Then the DNA commission will meet again to consider further recommendations. 相似文献
62.
The aim of the study was to evaluate the reliability of methods used for forensic dental age estimation. We analysed all cases over the last 21 years (1984-2004) of unidentified bodies that were examined for identification purposes (including age assessment), and of which secure identification was subsequently achieved. In total, the study included 51 cases and 7 different methods had been used for dental age estimation, with the Bang/Ramm and the Gustafson/Johanson methods being the most frequently applied. The age estimates had usually been recorded as 10-year intervals. Factual ages at death were in the range of 6-76 years, with the largest concentration of cases being in the age interval of 25-55 years (34 cases). There was good agreement between estimated age interval and factual age at death in 37/51 (72%) of the cases. In eight cases the factual age at death deviated up to +/-5 years from the estimated age, and in six cases by more than 6 years. The average difference between factual age at death and estimated age was 4.5 years. The four subadults in the material were all correctly estimated within an age range of +/-3 years. Our study showed that forensic odontological age estimates are reliable. However, the implementation of the specific methods may need to be adjusted concerning age ranges. In the future we recommend to register anamnestic information and the different steps in the methods used. Clinical evaluation should contain more details about attrition, colour, number and presumed age of the restorations and periodontal status. 相似文献
63.
Niels C. Sorrells 《Intelligence & National Security》2013,28(2):176-197
The United States is more than six years into its global war on terrorism, relying ever more on expanded wiretapping powers to halt its spread. However, looking at Germany, a country which has made far more extensive use of wiretaps for a far longer period of time, suggests that reliance on wiretaps, while not entirely ineffectual, might be more of a panacea to make people feel they are being protected than a fully functional tool in breaking up terror plots. Should the United States keep investing in these programs, or should it consider other weapons against terror? 相似文献
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J.J. Sanchez C. Brsting K. Balogh B. Berger M. Bogus J.M. Butler A. Carracedo D. Syndercombe Court L.A. Dixon B. Filipovi M. Fondevila P. Gill C.D. Harrison C. Hohoff R. Huel B. Ludes W. Parson T.J. Parsons E. Petkovski C. Phillips H. Schmitter P.M. Schneider P.M. Vallone N. Morling 《Forensic Science International: Genetics Supplement Series》2008,2(3):176-183
We report the results of an inter-laboratory exercise on typing of autosomal single nucleotide polymorphisms (SNP) for forensic genetic investigations in crime cases. The European DNA Profiling Group (EDNAP), a working group under the International Society for Forensic Genetics (ISFG), organised the exercise. A total of 11 European and one US forensic genetic laboratories tested a subset of a 52 SNP-multiplex PCR kit developed by the SNPforID consortium. The 52 SNP-multiplex kit amplifies 52 DNA fragments with 52 autosomal SNP loci in one multiplex PCR. The 52 SNPs are detected in two separate single base extension (SBE) multiplex reactions with 29 and 23 SNPs, respectively, using SNaPshot kit, capillary electrophoresis and multicolour fluorescence detection. For practical reasons, only the 29 SBE multiplex reaction was carried out by the participating laboratories. A total of 11 bloodstains on FTA cards including a sample of poor quality and a negative control were sent to the laboratories together with the essential reagents for the initial multiplex PCR and the multiplex SBE reaction. The total SNP locus dropout rate was 2.8% and more than 50% of the dropouts were observed with the poor quality sample. The overall rate of discrepant SNP allele assignments was 2.0%. Two laboratories reported 60% of all the discrepancies. Two laboratories reported all 29 SNP alleles in all 10 positive samples correctly. The results of the collaborative exercise were surprisingly good and demonstrate that SNP typing with SBE, capillary electrophoresis and multicolour detection methods can be developed for forensic genetics. 相似文献
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Sylvia X.M. Yang M.Tech. Peter K. Larsen Ph.D. Tine Alkjær Ph.D. Erik B. Simonsen Ph.D. Niels Lynnerup Ph.D. 《Journal of forensic sciences》2014,59(2):494-504
Closed‐circuit television (CCTV) footage is used in criminal investigations to compare perpetrators with suspects. Usually, incomplete gait cycles are collected, making evidential gait analysis challenging. This study aimed to analyze the discriminatory power of joint angles throughout a gait cycle. Six sets from 12 men were collected. For each man, a variability range VR (mean ± 1SD) of a specific joint angle at a specific time point (a gait cycle was 100 time points) was calculated. In turn, each individual was compared with the 11 others, and whenever 1 of these 11 had a value within this individual's VR, it counted as positive. By adding the positives throughout the gait cycle, we created simple bar graphs; tall bars indicated a small discriminatory power, short bars indicated a larger one. The highest discriminatory power was at time points 60–80 in the gait cycle. We show how our data can assess gait data from an actual case. 相似文献
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Morling N Allen RW Carracedo A Geada H Guidet F Hallenberg C Martin W Mayr WR Olaisen B Pascali VL Schneider PM;Paternity Testing Commission of the International Society of Forensic Genetics 《Forensic science international》2002,129(3):148-157
The International Society for Forensic Genetics (ISFG) has established a Paternity Testing Commission (PTC) with the purpose of formulating international recommendations concerning genetic investigations in paternity testing. The PTC recommends that paternity testing be performed in accordance with the ISO 17025 standards. The ISO 17025 standards are general standards for testing laboratories and the PTC offers explanations and recommendations concerning selected areas of special importance to paternity testing. 相似文献
70.
Niels G. Noorderhaven 《国际公共行政管理杂志》2013,36(5):683-711
The relationship between a subsidy-receiving firm and the government granting the subsidy can be conceptualized as an agency relation, with the government in the role of the principal, and the firm in the role of the agent. The economic theory of agency relations suggests what formal characteristics of the subsidy scheme and what conditions of the subsidy contracts are to be expected if the government wants to discipline effectively the behaviour of subsidy-receiving firms. These expectations are discussed using the example of a Dutch research subsidy scheme. It appears that most, of the expected conditions are indeed embodied in the formal subsidy scheme and in the subsidy contracts. However, there are signs that the informal relationship between the parties concerned deviates in important ways from what the formal documents would make us believe. Conclusions pertaining to the usefulness as well as the limitations of the proposed conceptualization of subsidy relations are drawn, and recommendations with regard to the design and implementation of subsidy schemes are made. 相似文献