中国旋毛虫猫分离株SW种类归属的进一步鉴定

通过生物学特性测定及随意扩增的ＤＮＡ多态性（ＲａｎｄｏｍＡｍｐｌｉｆｅｄＰｏｌｙｍｏｒｐｈｉｃＤＮＡ，ＲＡＰＤ）技术，对中国旋毛虫猫分离株进行了进一步鉴定。结果显示，中国的猫分离株ＳＷ为Ｔｒｉｃｈｉｎｅｌａｎａｔｉｖａ种，而非Ｔ．ｎｅｌｓｏｎｉ种。     

弱势群体子女教育问题个案研究

弱势群体子女教育问题是一个全社会关注的问题，文中通过对弱势群体子女教育现状的较为深入的分析，尝试找出导致他们教育处于失权状况的原因，并在此基础上提出一些建议。     

商标评审委员会的准司法性

商标评审委员会究竟是一个什么性质的机构,从理论探讨和制度构建上都需有所研究。本文认为,商标评审委员会虽然是国家工商行政管理部门下设的一个二级机构,但它具有明显区别于一般行政执法机构的重要特征,不应该被过于简单地视为一般行政执法机构,而应该被界定为“行政司法机构”,或者说“准司法机构”,在进行制度设计时予以区别对待。     

贾谊以礼为本、儒法并用思想初探

贾谊提出“礼”者比“法”者,“贵在绝恶于未萌”的观点,对今天道德建设仍有重大现实意义。他的“以礼为本、儒法并用”的思想体现在社会政治制度、生活秩序、兴邦建业等方面,构成了独特、完整的思想体系。     

Frequencies of D8S384 alleles and genotypes in European, African-American, Chinese, and Japanese populations

D8S384 is a tetranucleotide tandem repeat locus. In order to evaluate the forensic validation of D8S384, the genotype distributions and allele frequencies in ten populations from three main ethnic groups were investigated, including Germans, Slovakians, African Americans, Japanese, and Chinese (Jilin, Guangzhou, Nanning, Hailaer, Dali, and Chengdu). A total of 1011 unrelated individuals, 41 pedigrees, 30 disputed paternity trios and three personal identification cases were analyzed for D8S384 by Amp-FLP technique. Many kinds of tissues, body fluids, secreta and stains have been tested. The alleles were determined by comparison with a human allele ladder. The results showed that D8S384 typing was both precise and reliable. There were eight alleles in these populations. The genotype distributions conformed to Hardy-Weinberg equilibrium predictions. No mutation events were observed. With a maximum likelihood method, the mutation rate was indirectly estimated as 2.14 x 10(-5). The heterozygosity was 0.704 +/- 0.014 at D8S384 locus. All these results suggest that D8S384 locus is a useful marker for forensic identification and paternity analysis.     

MS31A的MVR-PCR分型

建立一种快速MVR－PCR分析方法,对中国汉族群体样本进行小卫星MS31A（D7S21基因座）分型及其频率调查。采用同位素掺入扩增和中性聚丙烯酸胺凝胶电泳分离技术。对200名无关个体血液样品的分析结果表明,每一样品MVR－PCR图谱均可获得近40条谱带。经计算机编码分析,不同个体的编码均不相同。MS31A前40个重复单位1、2、3、4型的频率分别为25．3％,27．2％,47．3％和0．2％;DP值可达99．999999999999％;四代家系分析表明：亲代小卫星MS31A的重复单位可稳定地传递给子代,符合孟德尔遗传规律。灵敏度分析显示：该技术最低能检测出1ng的基因组DNA.MW－PCR分析方法在法医学个人识别方面具有应用价值。     

Analysis of 50 cases of sexual dysfunction

Fifty cases of male sexual dysfunction were analyzed in order to investigate the incidence and causes of the erectile dysfunction in the different injuries. The results showed that the incidence of erectile dysfunction of the patients with brevic fracture and urethra injury is 62.50%, main caused by the damage of pudendal nervous and arterial system. The incidence in the patients with the spinal fracture and light spinal cord injury is 50%, caused by the damage of nervous system. The erection in the 17 cases of the patients with only one testis injury is normal. Two cases with bilateral testis injury have suffered from erectile dysfunction.     

16SrDNA序列分析在嗜尸性蝇类鉴定中的应用

目的通过mtDNA上16SrDNA中551bp基因序列分析,解决依据COI和COII上278bp和635bp基因序列难以鉴别丝光绿蝇、铜绿蝇种类的难题,为法医学嗜尸性苍蝇种类的鉴别提供依据。方法随机采集放置在呼和浩特及成都地区室外草地家兔尸体上的铜绿蝇和丝光绿蝇,对其mtDNA上16SrDNA中551bp基因序列进行分析、比对,构建系统发育树。结果通过对嗜尸性蝇类mtDNA上16SrDNA的551bp基因序列分析可以对丝光绿蝇和铜绿蝇进行鉴别。结论16SrDNA上551bp基因序列分析是对嗜尸性蝇类(尤其是铜绿蝇和丝光绿蝇)进行种类鉴定的有效方法,是对依据COⅠ和COⅡ序列分析方法鉴别嗜尸性苍蝇种类的重要补充。     

北市迁移流动人口区域分布及结构特征

本文利用2000年人口普查资料,对北京市1995～2000年户籍迁移人口和流动人口进行了人口学特征以及区域、产业、行业结构特征分析,结合京津冀区域经济发展战略以及"北京城市空间发展战略研究"新思路,探讨首都未来迁移流动人口的流向与分布趋势,阐述了城市功能定位、空间布局以及产业结构的新格局必将影响首都人口的规模及再分布.