利用多媒体手段进行音乐教学的思考

利用多媒体手段进行音乐教学,可以激发学生的学习兴趣,提高教学效率,但也容易使人走入误区,从而影响教学效果。音乐教师不仅要有扎实的音乐知识和基本功,还必须熟悉和掌握多媒体教学手段,将多媒体教学教育资源和传统教学法有机结合起来,充分发挥多媒体的功能,从而进一步优化课堂教学。     

英德警务的新公共管理改革对我国的启示

在席卷欧洲行政改革的新公共管理浪潮中,英德两国的警务部门并未如外界所想象的那样按照既定模式进行改革。英国警务部门采取了对抗策略保存了原有的大部分组织制度与文化。德国警务部门则采取能动改革主义,逐步地修正新公共管理思想,最终抵御了改革的全面冲击。从两国警务改革的经验来看,我国警务改革应该改变“警务易改”的观念,建立改革的能动机制、长效机制、沟通机制,并科学地选择并适用西方理论。     

浅议我国煤炭行业节能减排

气候的异常、能源的紧缺掀起了低碳经济的浪潮,作为煤炭占能源主导地位的国家,由于高碳的性质,使得我国煤炭行业节能减排的任务繁重,而且现在煤炭行业存在产业整体性差、资源浪费严重、后备资源不足、煤矿规模结构不合理、环境污染严重等一系列问题,为了做好节能减排工作,煤炭行业要从系统节能、资源耦合、企业转型、融资租赁等方面着手,由高碳向低碳转变,促进煤炭行业低碳经济的发展。     

海外华人在全民族抗战中的历史功绩

在抗日战争中,具有爱国主义传统的海外华人对祖国的无私奉献是伟大和崇高的。无论是从舆论上声援祖国抗战和捐资捐物支援祖国抗战,还是用热血和生命献身祖国抗战事业,无数的海外华人以各种不同的方式为抗日战争的最后胜利和中华民族的独立解放,为世界人民反法西斯战争的最后胜利,作出了不可磨灭的历史贡献。     

‘Strangers in their own land’: Powellism’s policy impact

ABSTRACT

In this paper, Solomos provides an account of the impact of Powell’s ‘Rivers of Blood’ speech on policy agendas about race relations and immigration. He argues that Powell’s intervention helped to shape policy frames around race and immigration in its immediate aftermath and beyond. By exploring the impact of the speech on the policy climate, his paper argues that perhaps the most important aspect of the speech is the way it helped to shape the policy agendas of both the Conservative and Labour parties, even as Powell himself was marginalized from mainstream politics. He concludes by suggesting that Powell’s intervention links up with contemporary debates and preoccupations about race and immigration.     

Comparison of four DNA extraction methods to extract DNA from cigarette butts collected in Lebanon

Cigarette butts collected from crime scenes represent valuable sources of DNA. However the extraction of the genetic material may deem challenging especially when different contaminants may compromise the integrity, quality, and quantity of DNA obtained. This study aims at comparing four extraction methods (Chelex-100, soaking + Chelex-100, Chelex-100?+?PK, and DNA IQ? System) with the intention of identifying the one with maximal recovery rate and profiling success. DNA was extracted using aforementioned four methods from 70 cigarette butts collected from sites across Lebanon. DNA was quantified by qPCR using TaqMan Quantifiler Kit on an Applied Biosystems 7300 SDS instrument and genotypes were obtained using the PowerPlex® 21 kit on an Applied Biosystems 3130 Genetic Analyser. The findings of this work showed that DNA extraction with Chelex-100?+?PK is preferred to the other three methods when seeking both, a high yield and the generation of maximal numbers of full profiles. The Chelex-100?+?PK method is simple, cost effective, and therefore suitable for routine cigarette butts case studies.     

Accuracy of four dental age estimation methodologies in Brazilian and Croatian children

ObjectiveTo compare and analyse the accuracy of four age estimation methods using the mineralisation stages of the permanent teeth (Cameriere et al. [16] [CAM], Liliequist and Lundberg [LLH] and Nolla without third molars [NOL7] or with them [NOL8]) in a mixed population of Brazilians and a homogeneous population of Croatians.MethodsOrthopantomograms of 930 Brazilians (366 males and 564 females) and 924 Croatians (365 males and 556 females) aged between 8 and 14.99 years were analysed using the CAM, LLH, NOL7 and NOL8 age estimation methodologies.ResultsLLH presented the best absolute differences (ADs) among both populations without sex stratification, while CAM presented the worst results. In addition, the mean differences revealed underestimations, except when the LLH and NOL7 methods were used for the Brazilians. When the sample was stratified by sex, the best AD values were found with NOL7 (0.80) for the Brazilians and with LLH (0.98) for the Croatians. When the sample was stratified by sex and age, CAM presented high accuracy at the early ages, and LLH presented high accuracy at the older ages. The results obtained with the Nolla methods (NOL7 and NOL8) were mostly similar, but NOL7 yielded slightly better results.ConclusionsThe values for the Brazilians and the Croatians were relatively similar, and the techniques were properly applied in both population samples. The best method for evaluating both countries was LLH, followed by NOL7, NOL8 and CAM.     

The influence of alcohol content variation in UK packaged beers on the uncertainty of calculations using the Widmark equation

It is common for forensic practitioners to calculate an individual's likely blood alcohol concentration following the consumption of alcoholic beverage(s) for legal purposes, such as in driving under the influence (DUI) cases. It is important in these cases to be able to give the uncertainty of measurement on any calculated result, for this reason uncertainty data for the variables used for any calculation are required. In order to determine the uncertainty associated with the alcohol concentration of beer in the UK the alcohol concentration (%v/v) of 218 packaged beers (112 with an alcohol concentration of ≤5.5%v/v and 106 with an alcohol concentration of >5.5%v/v) were tested using an industry standard near infra-red (NIR) analyser. The range of labelled beer alcohol by volume (ABV's) tested was 3.4%v/v – 14%v/v. The beers were obtained from a range of outlets throughout the UK over a period of 12?months. The root mean square error (RMSE) was found to be ±0.43%v/v (beers with declared %ABV of ≤5.5%v/v) and ±0.53%v/v (beers with declared %ABV of >5.5%v/v) the RMSE for all beers was ±0.48%v/v. The standard deviation from the declared %ABV is larger than those previously utilised for uncertainty calculations and illustrates the importance of appropriate experimental data for use in the determination of uncertainty in forensic calculations.     

论成年人监护制度的最新发展:支持决策

支持决策是为响应联合国《残疾人权利公约》第12条的要求在成年人监护领域出现的新理念和新措施。支持决策的核心价值是使残疾人在他人的帮助下自主做出决定,从而维护残疾人的人格尊严与自由。支持决策在世界范围内受到极大关注,很多国家都在尝试建立支持决策的法律模式。我国正处于民法典编纂过程中,支持决策理念的出现为我国成年人监护立法提供了新思路、新方向。我国民法典婚姻家庭编在设计成年人监护制度时应以辅助制度体现支持决策的指导思想及具体内容。     

“滥用兴奋剂”入刑的理论探索

当前"滥用兴奋剂"的社会危害性逐渐增大,而现行的法律规范不足。刑法作为社会控制的最后法律手段应将"滥用兴奋剂"纳入其管制的范围。我国应建立体育法庭、增加违规公示制度并完善体育机制内的人员信息系统、健全"豁免"机制、加强国际协作以规范"滥用兴奋剂"行为。