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Considerable research has documented that global perceptions of proceduralv fairness are associated with reductions in relative deprivation (RD). Less research has examined the specific process elements that lead individuals to perceive procedural fairness. In view of this, several researchers have suggested that providing advance notice concerning a negative decision increases perceived justice and thereby lowers levels of RD. Unfortunately, the evidence for this causal relationship is currently limited and is based upon a small number of correlation and role-playing studies. Thus, the present paper reports on two experimental studies that investigate the causal relationship between advance notice and RD. Findings in Study 1 showed that advance notice impacted the cognitive aspects of RD but not the affective or behavioral aspects. However, some methodological limitations were identified. These were corrected and a second experiment was conducted. This time advance notice lowered both the cognitive and affective aspects of RD but still did not impact the behavioral measure. Results are discussed in terms of Tyler's (1987) group value model.  相似文献   
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The relationship between Chicano gangs, crime, the police, and the Chicano community is complex. Neither the problem of youth gangs nor the specialized police units created to cope with this problem arises in a social vacuum. Rather, both emerge from a particular historical structuring of social, economic, and political relations. This paper investigates how and why a moral panic arose concerning Chicano youth gangs in Phoenix in the late 1970s and early 1980s. A variety of qualitative and quantitative data from media reports, interviews, and juvenile court records are used to assess whether it was the actual behavior of Chicano youths or the social imagery surrounding them that formed the basis for the gang problem in Phoenix. I suggest that the image of gangs, and especially of Chicano gangs, as violent converged with that of Mexicans and Chicanos as different to create the threat of disorder. In addition, it was in the interests of the police department to discover the gang problem and build an even greater sense of threat so as to acquire federal funding of a specialized unit.  相似文献   
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RESULTS: Sudden unexpected death in epilepsy (SUDEP) gains more and more acknowledgment across the various interdisciplinary fields. Accordingly, we performed in a prospective setting a case-control study of all SUDEP cases in a well-defined part of Denmark (Northern Jutland), between January 1998 and September 2000. We attempted to look into the cardiopathologic mechanism behind this phenomenon by assessing the degree of myocardial fibrosis in SUDEP patients versus controls. The histologic evaluation was possible in 65% of the cases (15/23) whose death was attributed to SUDEP and in 71% (15/21) of controls. Forty percent of the SUDEP cases (6/15) presented several foci of fibrotic changes in the deep and subendocardial myocardium in contrast to 1 control (6.6%, P = 0.03). None of the subjects from the SUDEP group showed fibrotic changes in their conduction system as compared with 1 control (6.6%). The quantitative evaluation of fibrosis demonstrated a trend toward more fibrosis in the deep and subendocardial myocardium of the SUDEP cases. Forty percent of cases in the SUDEP group were men (6/15), characteristically young at time of death (mean age 38 years) and with a late epilepsy onset (mean age 21 years). Antemortem, 73% of the SUDEP patients (11/15) had experienced infrequent seizures (self-reported). We conclude that the SUDEP cases displayed significant fibrosis of the myocardium when this was assessed by qualitative means. This fibrosis may be the consequence of myocardial ischemia as a direct result of repetitive epileptic seizures, which, associated with the ictal sympathetic storm, may lead to lethal arrhythmias.  相似文献   
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Reported is a case of an assault causing extensive blunt force injuries in which the clinical, radiologic, and postmortem findings were all consistent with death resulting from brain damage arising from the assault. The assailant was charged with murder. Subsequent full neuropathologic (including histologic) examination revealed the unsuspected finding of a widespread meningoencephalitis but no evidence of significant traumatic brain damage. The contributions of the infective process and of the trauma to death were felt to be unclear and a guilty plea to attempted murder was accepted. This case highlights the importance of a full neuropathologic examination, including histology, in cases of trauma to the head, even when the cause of death may initially appear obvious.  相似文献   
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A rapid and sensitive method using LC-MS/MS triple stage quadrupole for the determination of traces of amphetamine (AP), methamphetamine (MA), 3,4-methylenedioxyamphetamine (MDA), 3,4-methylenedioxymethamphetamine (MDMA, “ecstasy”), 3,4-methylenedioxyethamphetamine (MDEA), and N-methyl-1-(3,4-methylenedioxyphenyl)-2-butanamine (MBDB) in hair, blood and urine has been developed and validated. Chromatography was carried out on an Uptisphere ODB C18 5 μm, 2.1 mm × 150 mm column (Interchim, France) with a gradient of acetonitrile and formate 2 mM pH 3.0 buffer. Urine and blood were extracted with Toxitube A® (Varian, France). Segmented scalp hair was treated by incubation 15 min at 80 °C in NaOH 1 M before liquid–liquid extraction with hexane/ethyl acetate (2/1, v/v). The limits of quantification (LOQ) in blood and urine were at 0.1 ng/mL for all analytes. In hair, LOQ was <5 pg/mg for MA, MDMA, MDEA and MBDB, at 14.7 pg/mg for AP and 15.7 pg/mg for MDA. Calibration curves were linear in the range 0.1–50 ng/mL in blood and urine; in the range 5–500 pg/mg for MA, MDMA, MDEA and MBDB, and 20–500 pg/mg for AP and MDA. Inter-day precisions were <13% for all analytes in all matrices. Accuracy was <20% in blood and urine at 1 and 50 ng/mL and <10% in hair at 20 and 250 pg/mg. This method was applied to the determination of MDMA in a forensic case of single administration of ecstasy to a 16-year-old female without her knowledge during a party. She suffered from hyperactivity, sweating and agitation. A first sample of urine was collected a few hours after (T + 12 h) and tested positive to amphetamines by immunoassay by a clinical laboratory. Blood and urine were sampled for forensic purposes at day 8 (D + 8) and scalp hair at day 60 (D + 60). No MDMA was detected in blood, but urine and hair were tested positive, respectively at 0.42 ng/mL and at 22 pg/mg in hair only in the segment corresponding to the period of the offence, while no MDA was detectable. This method allows the detection of MDMA up to 8 days in urine after single intake.  相似文献   
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Childhood sexual abuse has been associated with HIV transmission risk behavior in men who have sex with men. This study examined an adapted model that was originally developed to explain the relationship between childhood sexual abuse and HIV risk behavior among women in a sample of men who have sex with men. Men attending a large gay pride event (n=647) completed anonymous surveys that assessed demographic characteristics, childhood sexual abuse, symptoms of dissociation, trauma-related anxiety, borderline personality characteristics, hopelessness, substance use, and sexual risk behavior. A latent variable partial least squares analysis was conducted to test the interrelationships between childhood sexual abuse, exchanging sex for money or drugs, emotional disturbances, drug use, substance use in the context of sexual behavior, and sexual risk behavior. The model fit the data well and accounted for 10% of the total variance in sexual risk behavior. History of childhood sexual abuse predicted exchanging sex for money or drugs and this relationship was partly accounted for by active drug use. Substance use proximal to sexual behavior also emerged as a key factor in predicting sexual risk behavior. Findings from this study, therefore, indicate a direct association between history of child sexual abuse and high risk for HIV infection related to engaging in sex trade.  相似文献   
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