全文获取类型
收费全文 | 775篇 |
免费 | 16篇 |
专业分类
各国政治 | 48篇 |
工人农民 | 8篇 |
世界政治 | 38篇 |
外交国际关系 | 31篇 |
法律 | 532篇 |
中国政治 | 5篇 |
政治理论 | 127篇 |
综合类 | 2篇 |
出版年
2021年 | 6篇 |
2020年 | 10篇 |
2019年 | 13篇 |
2018年 | 19篇 |
2017年 | 26篇 |
2016年 | 18篇 |
2015年 | 9篇 |
2014年 | 21篇 |
2013年 | 40篇 |
2012年 | 14篇 |
2011年 | 34篇 |
2010年 | 22篇 |
2009年 | 22篇 |
2008年 | 21篇 |
2007年 | 34篇 |
2006年 | 27篇 |
2005年 | 27篇 |
2004年 | 16篇 |
2003年 | 28篇 |
2002年 | 23篇 |
2001年 | 42篇 |
2000年 | 25篇 |
1999年 | 22篇 |
1998年 | 5篇 |
1997年 | 13篇 |
1996年 | 6篇 |
1995年 | 8篇 |
1994年 | 4篇 |
1992年 | 8篇 |
1991年 | 12篇 |
1990年 | 12篇 |
1989年 | 17篇 |
1988年 | 19篇 |
1987年 | 9篇 |
1986年 | 16篇 |
1985年 | 16篇 |
1984年 | 12篇 |
1983年 | 5篇 |
1981年 | 15篇 |
1980年 | 5篇 |
1979年 | 7篇 |
1978年 | 7篇 |
1977年 | 8篇 |
1976年 | 5篇 |
1975年 | 11篇 |
1974年 | 12篇 |
1973年 | 11篇 |
1972年 | 3篇 |
1971年 | 4篇 |
1970年 | 3篇 |
排序方式: 共有791条查询结果,搜索用时 15 毫秒
61.
62.
When the anterior thoracic wall is within the hypostatic area, postmortem lividity in the region of the nipples and their immediate vicinity is less intense or absent. Where hypostatic skin haemorrhages (so-called vibices) are present, these are also found outside the areola of the nipple only. This phenomenon is visible not only externally, but is particularly pronounced on the cut surface. A possible explanation may be the different distribution pattern of connective tissue, smooth muscles and blood vessels inside and outside the areola mammae. Based on 13 cases from the forensic autopsy material--mostly drug related deaths--the macromorphological findings and their histological correlates are presented. 相似文献
63.
William U. Weiss Ph.D. Gerald Serafino Ph.D. Ann Serafino Walt Willson Jason Sarsany John Felton Ph.D. 《Journal of Police and Criminal Psychology》1999,14(1):38-42
The MMPI-2 and the Inwald Personality Inventory were employed to investigate the personality characteristics of dropouts from
a state police academy. A traditional model of training borrowed from military models was used at the academy rather than
a police generated model. Sensitive and independent individuals, more compatible with modern community policing methods may
have rejected police work as a result of the experience. 15 academy completers and 9 dropouts were used in the sample. Analyses
of the scales of the MMPI-2 and the Inwald Personality Inventory identified variables upon which the two groups differed.
The hypothesis that more sensitive, empathic and independent individuals were leaving the academy appeared to be supported. 相似文献
64.
Books reviewed in this article:
H. Kötz, Europäisches Vertragsrecht, Band I: Abschluß, Gültigkeit und Inhalt des Vertrages
H. Kötz, A. Flessner, European Contract Law, vol. 1: Formation, Validity, and Content of Contract; Contract and Third Parties
U. Drobing, Private Law in the European Union 相似文献
H. Kötz, Europäisches Vertragsrecht, Band I: Abschluß, Gültigkeit und Inhalt des Vertrages
H. Kötz, A. Flessner, European Contract Law, vol. 1: Formation, Validity, and Content of Contract; Contract and Third Parties
U. Drobing, Private Law in the European Union 相似文献
65.
Garnishment of wage as a way for creditors to enforce payment by unwilling or insolvent debtors, while very common in Germany and Switzerland, is not very successful. Based on a dynamic model of debtor behaviour, this paper explores two alternatives of reform. One is to reduce the rate of garnishment, which at present amounts to 100 percent of the wage income exceeding a defined subsistence level, thus probably destroying incentives to work. According to model simulations, reducing the rate of garnishment is likely to result in an increase of labour supply but a decrease of garnishment revenue per period. Second, the introduction of a debt release as it exists in the United States would have an ambiguous effect on labour supply. While providing debtors with a fresh start, it would result a partial loss for creditors. A Pareto improvement thus does not seem to be possible. When taxpayers as an involved third party are taken into account, however, a potential Pareto improvement appears attainable through debt release. 相似文献
66.
67.
Vock R Meinel U Geserick G Gabler W Müller E Leopold D Mattig W Grimm O Bertelmann K Sannemüller U Klein A Krause D Schröpfer D Krüger U Disse M 《Archiv für Kriminologie》1999,204(3-4):75-87
No reliable data are available on cases of lethal child abuse (by active force) in the area of the former German Democratic Republic. In a multicenter study we therefore examined the police and court records for such cases occurring in the period 1 January 1985 to 2 October 1990 in the entire area of the former German Democratic Republic. RESULTS: The study center received information on 39 cases of lethal child abuse which correspond to approximately 7 cases per year. However, a low percentage of undetected crimes which cannot be determined more precisely has to be taken into consideration. Almost 40% of the victims were younger than 1 year, 73% of the victims showed indications of repeated ill-treatment. The effects caused by using direct blunt forces, against the head in particular, were by far the most frequent causes of death. The male contact person (the victim's father, brother or stepfather as well as the life companion of the child's mother in particular) killed the child in most of the cases. As far as it is known, 37% of the male/female offenders suffered from chronic alcoholism; 32% of the male/female offenders were under the influence of alcohol when the crime happened. 83% of the male/female offenders who were found guilty made a confession shortly after the crime had happened or during the interrogations. Almost all the male/female offenders were sentenced to prison (the duration of the imprisonment varied between one year and for life). Due to the considerably lower section rate compared to the one in the German Democratic Republic, it is to fear that each second fatal child abuse is not detected in the new federal states. 相似文献
68.
Because of the extreme dense accumulation of vital structures (compared with other regions of the central nervous system), in the brainstem even small lesions may cause serious clinical symptoms. Judging the forensic relevance of macroscopically visible lesions requires the knowledge of the respective possible diagnosis. As shown in three case reports (67 years, teleangiectasis; 35 years, cavernoma; 49 years, secondary hemorrhage following trauma) this demands apart from the knowledge of the normal and pathological anatomy of the brainstem always the use of histological methods. 相似文献
69.
Evaluation of prostate-specific antigen (PSA) membrane test assays for the forensic identification of seminal fluid. 总被引:4,自引:0,他引:4
M N Hochmeister B Budowle O Rudin C Gehrig U Borer M Thali R Dirnhofer 《Journal of forensic sciences》1999,44(5):1057-1060
Prostate specific antigen (PSA, also known as p30), a glycoprotein produced by the prostatic gland and secreted into seminal plasma, is a marker used for demonstrating the presence of seminal fluid. Methods for the detection of PSA include Ouchterlony double diffusion, crossover electrophoresis, rocket immuno-electrophoresis, radial immunodiffusion, and ELISA. The extremely sensitive ELISA technique can detect PSA in concentrations as low as approximately 4 ng/mL. However, all these techniques are cumbersome and time consuming to perform in forensic laboratories, especially when only a few samples per week are processed. Various membrane tests are currently used in clinical settings to screen a patient's serum for the presence of PSA at levels greater than 4 ng/mL. In this study we evaluated three immunochromatographic PSA membrane tests by analyzing semen stains stored at room temperature for up to 30 years, post-coital vaginal swabs taken at different time after intercourse, semen-free vaginal swabs, and various female and male body fluids, including urine. The data demonstrate that PSA membrane test assays offer the same sensitivity as ELISA-based tests and provide a rapid approach for the forensic identification of seminal fluid. Furthermore, when the supernatant from a DNA extraction is used for the assay, there is essentially no DNA consumption for determining the presence of PSA in a forensic sample. 相似文献
70.
Chorionic villus sampling prior to pregnancy termination, a tool for forensic paternity testing. 总被引:1,自引:0,他引:1
A Reshef P Brauner M Shpitzen N Gallili A Marbach U Motro E Shmueli V Meiner 《Journal of forensic sciences》1999,44(5):1065-1068
Chorionic villus sampling (CVS), prior to pregnancy termination (pre-termination CVS), is suggested as a tool for forensic paternity testing. Unlike the abortion material, which consists of ruptured tissues of fetal and maternal origin, extra-embryonic membranes obtained through CVS can provide an uncontaminated source of fetal tissue for genotyping. We discuss the possibility of confined placental mosaicism (CPM) and its implications on the polymerase chain reaction (PCR) based analyses of short tandem repeats (STRs) and the D1S80 loci. 相似文献