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排序方式: 共有73条查询结果,搜索用时 31 毫秒
21.
大鼠死后心肌骨骼肌细胞肌动蛋白变化及与死亡时间的关系 总被引:6,自引:0,他引:6
目的 探讨大鼠死后心肌骨骼肌细胞肌动蛋白的变化及其与死亡时间的关系。方法 采用免疫组化S P法和IBSA图像分析系统 ,观测大鼠死后不同时间心肌骨骼肌抗肌动蛋白单克隆抗体 (HHF3 5 )染色变化。结果 在大鼠死后 5 4h内 ,心肌骨骼肌呈不同程度的HHF3 5缺染 ,其面积随死后时间的延长而增大。经对IBSA图像分析数据进行方差分析 (F心肌 =5 88 2 7,F骨骼肌 =3 5 1 2 5 ,P <0 0 5 ) ,具有显著性差异 ;经逐步回归分析 (r心肌 =0 943 ,r骨骼肌 =0 95 8,P <0 0 5 ) ,具有正相关关系。所建方程y心肌 =-3 0 5 68+1 0 0 3x1,y骨骼肌 =-2 4 897+0 986x2 (X为HHF3 5缺染面积均数 )具有统计学意义。结论 在一定时间内 ,大鼠死后不同时间心肌骨骼肌细胞HHF3 5缺染面积 ,随死后时间的延长而增大。 相似文献
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W. Dennis Duggan 《Family Court Review》2007,45(2):193-213
This article offers for inspection the proposition that the adversarial evidence‐based litigation process is unsuitable for resolving custody cases in general and relocation cases in particular. It analyzes the leading cases from New York, Massachusetts, California, England, Canada, and Australia. It reaches a conclusion that no jurisdiction has devised a legal standard or formula that enables a judge to predict the future best interest of a child if that child is allowed to relocate with one parent away from the other. For this reason, the court has a duty to offer as sophisticated and friendly a settlement process and atmosphere as possible. However, knowing that judges will still be required to resolve these difficult cases because they often seem impervious to settlement, the article offers thirty‐six factors that a court should consider in all move‐away cases. By relying on each of these factors that is relevant to the case, the parents will have an understanding of why the decision was made the way it was and it will also allow for effective appellate review. 相似文献
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Justice Tim Carmody 《Family Court Review》2007,45(2):214-246
This article examines the current state of the law on child relocation across the major common law‐based jurisdictions, with particular emphasis on the contrasting approaches to the problem in Australia and the United Kingdom. It then goes on to suggest changes aimed at achieving more principled and predictable outcomes. 相似文献
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《Science & justice》2021,61(5):555-563
Sex estimation is essential for forensic scientists to identify human skeletal remains. However, the most sexually dimorphic elements like pelvis or skull are not always assessable. Osteometric analyses have proven useful in sex estimation, but also to be population specific. The main purpose of this study was to test the validity of contemporary Greek and Spanish discriminant functions for the talus and the patella, respectively, on a Swiss skeletal sample and to quantify the utility of the measurements as a novel approach in osteometric sex assessment.Four talus and three patella measurements on dry bone were obtained from 234 individuals of the modern cemetery SIMON Identified Skeletal Collection. The previously derived discriminant functions were applied, accuracies determined, the utility of the different measurements was assessed and new multivariable equations constructed.Accuracies varied between 67% and 86% for talus and 63% and 84% for patella, similar to those reported by the original studies. Multivariable equations should be preferred over equations based on single measurements and combining the most significant measurements rather than using several variables obtained the best possible accuracy. The new discriminant functions did not provide a substantial improvement to the original ones. The overall utility of talus and patella is limited, allowing sex estimation with sufficient certainty only in a small proportion of individuals.Discriminant functions developed in contemporary Greek or Spanish populations are in principle applicable also to Swiss contemporary populations. We recommend that at present existent studies of this type should be validated and tested rather than developing new formulas. 相似文献
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Matthijs Zuidberg Matthijs Bettman LHJ Aarts Marjan Sjerps Bas Kokshoorn 《Science & justice》2019,59(2):153-161
Sampling strategy is one of the deciding factors in DNA typing success rates. Small amounts of bodily fluid traces and (skin) contact traces are currently not visualized in standard forensic practice. Trace recovery is usually based on the information available in a particular case and on the experience and ‘forensic common sense’ applied by the trace recovery expert. Interactions between an offender and a victim may have characteristic features, resulting in specific trace patterns. Understanding these interactions, and their resulting trace patterns, might improve crime related trace recovery as well as DNA typing success rates.In this study, we examined the interactions between offender and victim when a body has been relocated from one position/location to another. The contact between the hands of the offender and the body of the victim was visualized using a fluorescent dye in a lotion that was applied to the hands of the individual undertaking the relocation. The contact locations were scored and patterns were analyzed based on both victim and offender characteristics (height, weight, age, gender). The resulting patterns were compared to current trace recovery practices in the Netherlands. The results of this large-scale study facilitate evidence-based sampling supporting both investigative and evaluative forensic examinations. 相似文献
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《Forensic Science International: Genetics Supplement Series》2019,7(1):123-125
The killings during the Second World War (WWII), with nearly 100,000 victims, is one of the greatest losses of life in Slovenia’s modern history and most of the victims are still buried in hidden mass graves and remain unidentified. Identity, ancestry, and phenotypic SNPs, as well as STR markers are already used for solving various cases with Next Generation Sequencing (NGS) technology. In this study, the Precision ID GlobalFiler NGS STR panel was used to identify the WWII victim that could not be identified with capillary electrophoresis (CE) analyses because limited statistical support was obtained after amplification of autosomal STRs using CE STR kits. Bones and teeth were analysed and compared to family references (nephew and niece on paternal line). Prior to DNA isolation 0.5 g of powder was decalcified. The DNA was purified in a Biorobot EZ1 device. The nuclear DNA of the samples was quantified with the PowerQuant kit. Because the recommended posterior probability (PP) of 99.9% was followed with the goal of high confidence of correct identification, the NGS STR Panel was used, and after the analysis of additional STR loci the statistical calculation showed a PP of 99.99986%, showing that a large enough number of genetic markers were analysed when identifying the skeletal remains of the aunt. PP value endorsed the hypothesis that the tooth and bone samples were from individual related to the family references rather than from unrelated individual. In presented case, NGS technology proved to be a powerful tool for increasing the number of autosomal STRs needed for identification of WWII victims when linear markers cannot be used for comparison and only distant relatives are available for analyses. 相似文献