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61.
Marlene Beyer Eg MD Troels Græsholt-Knudsen MD PhD Kathrine Bang Madsen PhD Carsten Obel MD PhD Annie Vesterby Charles MD DMSc Ole Ingemann-Hansen MD PhD 《Journal of forensic sciences》2024,69(1):252-263
Evidence describing age-related differences among children with suspected physical and sexual child abuse is lacking. We describe findings in severe cases of suspected abuse. Cases with 756 children <15 years old were included during 2001–2013 at the Department of Forensic Medicine, Aarhus University, using forensic evaluation documents, medical records, and court proceedings. Eight percent of children <4 years old died from child abuse, 36% through violence resulting in death, and 64% by manslaughter, whereas 1% > 4 years old died, solely by manslaughter. External injuries were mainly located to head and torso in children <4 years old, changing to the upper and lower extremities in older children. Child sexual abuse was suspected in 52% of cases with living children <4 years old, 83% of children 4–7 years of age, 88% of children 8–11 years of age, and 93% of children >12 years old. Anogenital findings were mainly caused by other medical conditions in children <4 years old, hymenal clefts in the superior half of the hymenal rim were almost exclusively found in children between 8 and 11 years of age, whereas both superficial and complete hymenal clefts in the inferior half of the hymenal rim were found in children >12 years old. The present study describes age-related differences in victims of suspected child abuse. Fatal versus nonfatal child physical abuse and the significance of hymenal findings in child sexual abuse could be studied further. 相似文献
62.
Y-chromosome STR haplotypes in a population sample of the Byelorussian minority living in the northeastern Poland 总被引:3,自引:0,他引:3
Pepinski W Niemcunowicz-Janica A Skawronska M Koc-Zorawska E Janica J Soltyszewski I 《Forensic science international》2004,140(1):117-121
Haplotype and allele frequencies for the eight Y-STRs were determined in a population sample of 156 unrelated Byelorussian males. The most common haplotype was shared by 3.85% of the sample, while 121 haplotypes were unique. The gene diversity was 0.98. 相似文献
63.
Brain injury after survived gunshot to the head: reactive alterations at sites remote from the missile track 总被引:4,自引:0,他引:4
Gunshot wounds to the brain usually lead to acute respiratory arrest or death after a brief survival period, even in cases involving only slight direct tissue damage. It can be assumed therefore that the damage extends beyond the zone of recognizable destruction and hemorrhages. To determine the true extent of the tissue injury resulting from gunshot wounds to the brain, we carried out microscopic investigations for reactive changes (emigration of leukocytes and macrophages, axonal expression of beta-amyloid precursor protein (beta-APP) in 10 cases of gunshot wound to the narrow channel of the brain with survival times >2h. Demonstration of leukocytes expressing naphthol AS-D chloroacetate esterase activity in the brain tissue at the border of the missile track established the vitality of the gunshot effect. The presence of macrophages (CD68-epitope) allowed demarcation of a 1-2mm wide necrotic zone around the permanent cavity. Within this zone and beyond, beta-APP showed an initial increase followed by a decline in the number of injured axons. Three types of beta-APP positive staining could be differentiated. In the immediate vicinity of the missile track beta-APP positive neurons were present at a distance of 2-4mm from the margin of the permanent cavity (type 1) as a result of primary injured neuronal tissue by the gunshot itself. At longer distances from the narrow channel and the permanent cavity single beta-APP positive axons or axon fragments and two additional types were found; type 2 shows a parallel, wave-like arrangement of the damaged fibers, which suggests that the injury was produced by mechanical acceleration of the brain tissue created by the energy the projectile expended within the brain; irregular aggregation of beta-APP positive axons or axon fragments within a local edema represents type 3, which may be attributed to secondary ischemia or edema. 相似文献
64.
Woźniak K Rzepecka-Woźniak E Moskała A Pohl J Latacz K Dybała B 《Forensic science international》2012,220(1-3):e29-e32
This research shows the exfoliation of the anterior dentition has significant potential to aid in establishing the minimum length of the post-mortem interval. Accumulated degree days (ADD) were used to quantify the decomposition of the periodontal ligament, represented by post-mortem exfoliation of the incisors. After subjects were removed subsequent to disturbance by scavengers and time limitations on the study, the final sample size was 36 incisors from the maxillae and mandibles of seven pigs (Sus scrofa). Average daily temperature was calculated using hourly temperature data recorded using DS1921G thermochrons for the duration of the project (June 14-December 17, 2008). During this period, six teeth (16.7%) were exfoliated. ADD for these six teeth ranged from 1539.7 °C to 2006.7 °C. The average ADD required for exfoliation was 1788.0 °C (SD=198.1 °C). No differences in ADD required for exfoliation were observed between the maxillary and mandibular teeth (t=2.085; p=0.128). 相似文献
65.
66.
Quantification of human mitochondrial DNA in a real time PCR 总被引:8,自引:0,他引:8
von Wurmb-Schwark N Higuchi R Fenech AP Elfstroem C Meissner C Oehmichen M Cortopassi GA 《Forensic science international》2002,126(1):34-39
Recently, a moderately priced machine for real-time quantitative PCR has become available, the Perkin Elmer 5700. The rapid and quantitative assay of mitochondrial DNA (mtDNA) copy number is potentially useful in a variety of molecular, evolutionary and forensic fields. Using this new tool, we have evaluated the precision and reliability of the real time PCR to quantify undeleted mitochondrial genome copy number, and to determine the frequency of an age-associated deletion of 4977 base pairs in length, in 42 human iliopsoas muscle DNA samples from persons of known age. We have evaluated the accuracy with which age can be predicted, knowing only the frequency of this common 4977 bp deletion, and derived a statistical formula which describes the confidence with which the 4977 bp frequency predicts age. The results indicate that the mutation frequency could be used to distinguish between tissue from young and old individuals. However in this data set, while there was considerable agreement of 4977 bp frequency among replicates from the same individual sample, there was substantial diversity of mean mutation frequency between individuals of the same or similar ages. The simplest interpretation of these results is that there are biological modifiers of 4977 bp frequency that are age-independent, which are potentially interesting but may limit the usefulness of this deletion frequency alone as a "molecular forensic clock." 相似文献
67.
Pepinski W Niemcunowicz-Janica A Skawronska M Koc-Zorawska E Janica J Soltyszewski I 《Forensic science international》2004,139(2-3):265-267
Allele frequencies for the 15 STRs included in the AmpFlSTR Identifiler kit were determined in a population sample of 212 unrelated individuals of the Byelorussian minority residing in the northeastern Poland. All loci, except TPOX, met Hardy-Weinberg expectations. Exact tests disequilibrium analysis revealed 5 departures from independence out of 105 pairwise comparisons. 相似文献
68.
69.
Ahmet Sedat Dündar MD İsmail Altın MD Cihan Aksöz MD Abdullah Benna Sarın MD Bora Özdemir MD 《Journal of forensic sciences》2023,68(6):2076-2084
Electric shock injuries (EIs) have high rates of morbidity and mortality in both children and adults. The aim of this study was to examine autopsy cases resulting from EIs and to compare pediatric and adult groups with respect to sociodemographic data, clinical characteristics, location of the incident, electricity entry–exit wound characteristics, current direction, pathological effects of the electric shocks on the body, and cause of death. A total of 8075 autopsies conducted between 2012 and 2022 were retrospectively examined. Şanliurfa is a city in the southeast of Turkey with the highest birth rate in the country. Of 123 cases of death resulting from EIs in Şanliurfa, 58 (47.2%) were children (age < 18 years). In the majority of children (81%), a low-voltage injury resulted from a domestic appliance while the children were playing at home in a rural area. In the vast majority of adults, a high-voltage injury (HVI) resulted from a workplace accident due to working with HVI materials in an area outside the home. The manner of death was accidental in all the electric shock injuries. The electricity entry and exit wounds formed as a result of EIs had similar characteristics in both children and adults, with no significant difference identified. In the province of Şanliurfa, Turkey, which borders Syria and where the main occupation is agricultural activities, there is a need to increase electrical safety precautions within the home, educate parents, and increase electrical safety conditions and worker education in the workplace. 相似文献
70.
Silvia Raddi MD Ilaria Tarozzi MD Matteo Cecchetti MD Silvio Chericoni PhD Lorenzo Franceschetti PhD MD Valentina Bugelli PhD MD 《Journal of forensic sciences》2023,68(6):2194-2199
In December 2020, the World Health Organization (WHO) declared SARS-CoV2 a global pandemic. Home confinement, low social contacts, and fear of virus transmission played a major role as risk factors for suicides during the following period. Suicide pacts, in particular, showed a different pattern. A rare case of a triple suicide pact among members of the same family nucleus is presented. The victims were an elderly, severely ill woman and her adult children (a son and daughter), linked by a morbid relationship. The last time the family was seen alive was 40 days before the discovery. All corpses presented decompositional changes. After a full autopsy, the cause of death was determined to be a lethal intake of morphine for the mother and acute blood loss due to self-stabbing at the neck for the siblings. The younger woman was under the effects of a large amount of heparin. Toxicological analysis was positive for opioids and alcohol in both siblings. Suicide pacts have rarely been described during the COVID-19 pandemic. In the few cases reported, the victims were more often relatives than people in a romantic relationship. The involvement of three people is unusual, as is the use of different suicide methods among the victims. In the presented case, the elderly mother's imminent death from terminal cancer, her concern over dying in a nondomestic environment, and the siblings' fear of being alone likely led to the conception of the suicide pact. Social isolation and economic difficulties also played a contributing role. 相似文献