全文获取类型
收费全文 | 1716篇 |
免费 | 70篇 |
专业分类
各国政治 | 113篇 |
工人农民 | 126篇 |
世界政治 | 169篇 |
外交国际关系 | 83篇 |
法律 | 862篇 |
中国政治 | 12篇 |
政治理论 | 403篇 |
综合类 | 18篇 |
出版年
2023年 | 18篇 |
2022年 | 9篇 |
2021年 | 14篇 |
2020年 | 28篇 |
2019年 | 53篇 |
2018年 | 59篇 |
2017年 | 56篇 |
2016年 | 77篇 |
2015年 | 40篇 |
2014年 | 65篇 |
2013年 | 257篇 |
2012年 | 60篇 |
2011年 | 55篇 |
2010年 | 34篇 |
2009年 | 51篇 |
2008年 | 57篇 |
2007年 | 61篇 |
2006年 | 40篇 |
2005年 | 52篇 |
2004年 | 59篇 |
2003年 | 45篇 |
2002年 | 42篇 |
2001年 | 52篇 |
2000年 | 54篇 |
1999年 | 29篇 |
1998年 | 23篇 |
1997年 | 22篇 |
1996年 | 15篇 |
1995年 | 12篇 |
1994年 | 18篇 |
1993年 | 16篇 |
1992年 | 21篇 |
1991年 | 30篇 |
1990年 | 29篇 |
1989年 | 21篇 |
1988年 | 21篇 |
1987年 | 18篇 |
1986年 | 14篇 |
1985年 | 18篇 |
1984年 | 15篇 |
1983年 | 14篇 |
1982年 | 14篇 |
1980年 | 8篇 |
1979年 | 14篇 |
1978年 | 6篇 |
1976年 | 9篇 |
1975年 | 6篇 |
1974年 | 7篇 |
1973年 | 9篇 |
1972年 | 7篇 |
排序方式: 共有1786条查询结果,搜索用时 109 毫秒
931.
Ashley C. Smith M.Sc. 《Journal of forensic sciences》2014,59(2):319-326
Given the multiple factors that may alter the rate of decomposition, one of the more difficult tasks that anthropologists and pathologists face is determining of the postmortem interval (PMI). While trauma has been widely accepted as being among those factors, recent published studies have contradicted this premise. However, major issues exist with these studies. Consequently, this study was designed to simulate a more realistic setting in an effort to settle this discrepancy in the literature. This study utilized eight porcine remains; three of which received incised wounds penetrating the thoracic cavity, three others received nonpenetrating wounds, and two were designated nontrauma controls. Measurements included evaluating the total body score (TBS) on temporal and accumulated degree days (ADD). Using a two‐way repeated measures ANOVA, the results of this study found that while trauma does have an influence in the pattern of decomposition, it does not influence the rate of decomposition. 相似文献
932.
This article examines three popular renditions of female flight attendants in Canada and the United States in teen fiction, film, and advertising, with attention to representational shifts from the 1940s to the 1970s. Our analysis demonstrates that the more sexualized image of the 1960s was a significant departure from the more complicated immediate postwar presentation of the flight attendant as a resourceful and capable career girl, albeit one still constrained by dominant notions of white, middle-class femininity. Created by management decisions in the face of increased capitalist competition, in concert with the influence of popular culture and gender ideology, the sexy stewardess altered the workplace environment for female flight attendants, but the legacy of earlier popular culture may well have aided their resistance to sexualization. 相似文献
933.
934.
935.
Heather Isla Cook MSc Karl Harrison PhD Helen James 《Journal of forensic sciences》2021,66(1):202-208
Adermatoglyphia is a very rare autosomal‐dominant condition that is genetically inherited and causes an individual to be born without conventional ridge detail on either their palmar or plantar surfaces (the fingers and palms of the hands and the toes and the soles of the feet). While adermatoglyphia has been the focus of medical and genetic research, no previous research has been conducted with regard to the forensic recovery and identification of marks from an adermatoglyphic individual. By observation of ridge detail donated by an adermatoglyphic subject, the study uses different methods in order to capture fingermarks (methods include: inked capture, livescan (biometric) capture, cyanoacrylate fuming, ninhydrin enhancement, and physical developer). Unusually, the purpose of this paper ends up presenting a number of examples of an absence of evidence; unsuccessful attempts made to capture and enhance fingerprint ridge detail. This is determined over a range of standard means including "live" donations by the adermatoglyphic subject onto the Livescan system, and enhancements of latent donations. The subject shows to leave either insubstantial fingermarks with no detail, or no mark whatsoever. 相似文献
936.
Sara Garcia B.A. Alexander Smith B.A. Christiane Baigent M.Sc. Melissa Connor Ph.D. 《Journal of forensic sciences》2020,65(3):948-952
Two cases of feral cat (Felis catus) scavenging were documented at the Forensic Investigation Research Station in Whitewater, Colorado. Human remains at the facility are placed outside, observed daily, documented with field notes, and photographed; decomposition is scored on a Likert scale. Scavenger activity is monitored with game cameras. The cases documented included: preferential scavenging of the soft tissue of the shoulder and arm, differential consumption of tissue layers, superficial defects, and no macroscopic skeletal defects. This pattern more closely parallels the documented pattern of bobcat (Lynx rufus) scavenging than that of domestic cats. Scavenging among felids is relatively rare, as felids typically prefer to hunt. Such cases studied in detail are relatively few, spatially relative, and lack statistical robustness. While only two examples are reported here, these cases are rare overall, and this documentation may help field investigators understand the place of feral cats within a local scavenger guild. 相似文献
937.
938.
939.
While stalking researchers have cataloged various strategies used by victims to deal with stalking, little research has examined whether these strategies have proven effective. Using data collected from undergraduates at a Midwestern university, we examined the effects of informal responses for victims of both violent and nonviolent stalking who responded to the stalker on their own and victims who enlisted the help of others. Findings indicated that victims who enlisted help from family and friends in their informal responses to the stalker were more successful in attenuating the effects of both violent and nonviolent stalking. Victims of stalking generally were more likely than nonvictims to feel that formal coping strategies were ineffective. 相似文献
940.
Catherine Smith 《Women: A Cultural Review》2013,24(4):337-349
This essay explores such complex and ambiguous presentation of convent life in Helen Waddell's novel Peter Abelard (1933), considering Heloise's fear of women's communities as expression of concerns central to women's writing published in Britain during the 1920s and 1930s. Waddell uses Peter Abelard to intervene in these contemporary debates about private and public spaces. The dislike which her Heloise expresses for women's communities may, given the text's feminist ideology, seem surprising, but, as discussed, similar anxieties are voiced in texts by several of Waddell's contemporaries, and the novel is shaped by this tension between private, autonomous individual and shared public space. Peter Abelard is read in relation to selected journalism of Vera Brittain and Winifred Holtby (late 1920s), Virginia Woolf's A Room of One's Own (1928) and Dorothy Sayers' Gaudy Night (1935). 相似文献