浅析苗族芦笙舞的产生动机

芦笙舞,又名'踩芦笙'、'踩歌堂'等,因为使用芦笙为舞蹈伴奏和自吹自舞而得名。它流传分布于贵州、广西、湖南、云南等地的苗、侗、布依、水、仡佬、壮、瑶等民族聚居区,是南方少数民族最喜爱、分布最广泛的一种民间舞蹈。而我们今天要研究的就是,芦笙舞是如何产生的,又是为何流传于民间这些地区,本文将以此为出发点对芦笙舞进行阐述分析。

浅谈大学生自主创业动机产生的原因

大学生自主创业的人越来越多,那么是什么原因让他们产生这种动机的呢?

论大学生犯罪动机及预防策略

大学生犯罪心理、犯罪动机之产生,从犯罪心理学的角度分析,是由于人的某些需要得不到满足、自身又缺乏自我调节能力,从而采取犯罪手段来满足自己的欲求。预防大学生犯罪,应当采取教育、保护、预防性的措施和打、防、管、教多种手段综合治理,才能最终达到标本兼治的目的。

汉语个体量词的独特性——从英汉对比角度研究

认为个体量词是汉语所特有的,英语中piece类表量结构不同于汉语个体量词。本文主要从产生动机、句法、语义和语用等方面对比,突出二者的差异。

A Study of Metaphor in Science

长期以来,人们普遍认为隐喻是一种用来增强文彩的修辞手段;而科技语言一贯以专业、严谨,精确和朴实著称,因此隐喻不应存在于科技语言中.然而,随着认知学的发展,大量的研究和事例证明生活中存在着大量的隐喻,其中包括科技语言.本文试图从分析科技隐喻的产生动机,产生途径及巨大功能方面来较为全面地展示科技隐喻的概貌,从而加强人们对科技隐喻的认识与理解.

激发诱导 寓教于乐

在体育教学实践中,如何对学生进行激发与诱导呢?一、思想教育法;二、理论指导法;三、灵活教学法;四、运动技能转移法;五、游戏与比赛法;六、考核评定法。

Evaluation of pneumatic inclined deck separator for high-ash Indian coals

Application of pneumatic separators in coal beneficiation is increasing rapidly over the last decade primarily due to their low capital and operating costs, and waste handling problems associated with traditional wet processing methods. Large amount of shale/rock that is extracted in coal production can be removed prior to transportation at the mine face by using this methodology. Due to the limited washing facilities in India, most of the thermal power plants burn raw coal from run-of-mine （ROM） to generate electricity. This practice causes poor utilization efficiency, high operating and maintenance costs, and high emission rates for the power plants. One potential method that can be utilized is the air-fluidized inclined vibrating deck technology. The technology was demonstrated on a pilot-scale at different coal washeries in India at a feed rate of 5-ton per hour. The pilot-scale evaluation showed that 20 %-25 % high-ash incombustible material can be eliminated from ROM feed with only minor losses in energy content （〈10 %） from respective ROM coal. Furthermore, a feasibility analysis showed significant economic gains in terms of transportation cost, improving power-plant efficiency, and reducing emissions rates by using the technology.

Organic Dairy Cattle Breeding in Turkey： A Review

Organic animal breeding means the production of certified animal products by considering the well-being of animals without damaging the environment and without using any pesticide in a controlled manner. All aquaculture activities other than organic farming can be defined as conventional farming. Organic animal production has increased significantly annually over the past decade in the world. Dairy cattle production is examined with particular focus on the possibilities of improving the sustainability of ruminant systems and on the possible role of organic production to meet the demand of sustainability. Organic dairy cattle production can improve animal welfare, protect the environment and sustain rewarding rural life styles. Future of organic dairy cattle production will have to rely on continuous search for alternatives in nutrition, disease prevention and control that are environmentally friendly. Understanding organic dairy cattle farming from economic, ecological and animal welfare perspectives will increase the likelihood of success. In the current study, besides the basic principles of organic dairy cattle breeding that is a quite popular branch of business in recent years, the current state, weaknesses and strengths of organic dairy cattle breeding both in Turkey and the world and how organic dairy cattle breeding can be developed are discussed.

Exercise is more than medicine: The working age population's well-being and productivity

Background： Physical activity （PA） includes muscle activity during exercise, manual work, and leisure time activities including sport. Conflicting results exist regarding health effects of PA that may deteriorate with manual work and elite sports, but improve when performed in moderation in accordance with international guidelines and may additionally enhance well-being and productivity. Methods： In Denmark 15 randomized controlled trials have been conducted, introducing exercise at the workplace enrolling 〉3500 workers. The interventions lasted from 10 to 52 weeks and offered -1 h weekly supervised exercise during working hours according to the concept of intelligent physical exercise training （IPET） that is based on evidenced sports sciences training principles and tailored to work exposure, employee health status, and physical capacity. Questionnaire surveys and health checks including blood and muscle sampling were performed at baseline and follow-up. The job groups included： office and computer workers, dentists, industrial technicians, cleaning personnel, health care workers, construction workers, and fighter/helicopter pilots. Results： In all job groups significant improvements were documented regarding health outcomes. These were job group specific： neck pain was reduced among office and computer workers, dentists, industrial laboratory technicians, health care workers as well as fighter pilots. Cardio- respiratory fitness--a health risk indicator for cardio-metabolic diseases--was improved among office and computer workers, health care workers, and construction workers. Additionally, other improvements were evidenced such as increased muscle strength and balance control. Importantly, productivity increased with improved muscle strength and decreased body mass index. Conclusion： IPET does enhance health if an exercise program with evidenced efficacy is implemented by expert trainees with support of the employer. Accordingly, in every study group outcomes of improved health were documented and the effect sizes were of clinical relevance. Cost effectiveness estimates indicate acceptable cost relative to savings on health expenses and lost productivity.

教练自主性支持行为及其影响因素研究

本文对国内外有关教练自主性支持性行为研究进行整理,得出教练自主性支持行为人类三种基本需求的感知有直接影响,从而来对运动员的动机产生影响,并受到教练员个人取向、教练员身处的情景以及运动员的行为和动机三个因素的影响。要做到自助支持要满足:在特定的限制和规则内提供尽可能多的选择、为任务和限制提供一个原理、承认对方的感受和观点、为运动员提供独自参与活动的机会、提供积极反馈、避免控制性行为六个要求。

Research on mine noise sources analysis based on least squares wave-let transform

In order to determine the characteristics of noise source accurately, the noisedistribution at different frequencies was determined by taking the differences into accountbetween aerodynamic noises, mechanical noise, electrical noise in terms of in frequencyand intensity.Designed a least squares wavelet with high precision and special effects forstrong interference zone (multi-source noise), which is applicable to strong noise analysisproduced by underground mine, and obtained distribution of noise in different frequencyand achieves good results.According to the results of decomposition, the characteristicsof noise sources production can be more accurately determined, which lays a good foundationfor the follow-up focused and targeted noise control, and provides a new methodthat is greatly applicable for testing and analyzing noise control.

Dynamics of Lumber Production from Buttressed-Stumps of Logging Residues Using a Fuel Powered Horizontal Mobile Bandsaw Machine

Logging residue can be defined as any form of wood, which under the highest stage of technological development could be used in manufacturing but is left in the forest during logging. Lumber production from logging residues of a previous logging activity by a timber firm was undertaken with the objective of determining the suitability of utilizing buttressed-stumps as raw material for the timber industry. A horizontal mobile bandsaw machine was used to process the buttressed-stumps into lumber. The machine was characterized by a thin-kerr sawing technology （kerf-width 1.6 mm） compared to the conventional bandsaw machines of kerr-widths ranging from 3.0-4.5 mm. Lumber value and volume yields, fuel consumption rate, frequency of tool replacement and lumber production rate were assessed. Results indicated that there is the potential to increase timber production from logging residues by utilizing buttressed-stumps. Lumber value and volume yields of eight timber species investigated in this study ranged from 5%-31% and 34%-54% respectively. Fuel consumption rate which increased with increasing wood density, ranged from 5-14.5 liters/m3 of lumber produced. Frequency of saw replacement increased with increasing wood density. The number of saws required to produce one cubic meter of lumber, ranged from 1 to 7. Lumber production rate ranged from 0.10-0.38 m3/hour, increasing with decreasing wood density.

Protection and Utilization of Special Biological Resources and Biodiversity in Pu＇er City

In the paper, the animal and plant diversity and its main characteristics in Pu'er City were summarized, and reviewedthe development and utilization of main special biological industry. The policies and research institutions on protection and utilization of biodiversity in Pu'er City were introduced. At the last, we analyzed the deficiencies in the conservation and utilization of biodiversity in Pu'er City and proposed the relevant measures to strengthen protection and utilization of biological diversity in the future.

From Oil to Renewable Energies： An Ecological Concern

The energetic sector is necessary for productive activity in the world, because energy is one of the most essential economic resources. The energy, at a social-historic level, always has been relevant for the development of any society, and as a country advanced in this field, there is an important increase of their energetic needs, in such a way that all energy supplies are considered as a national security strategy for many countries. This element, the natural resources of their own, their existence and good management are and will be the key for the coming years and decades to achieve the national security in the energetic field, economic development, and environment. This last argument has a great importance for the issues that are generated by an environmental crisis and the greenhouse effect in the world, due to the consumption of energy from oil and coal. All these justify the relevance of performing an analysis of the problems between the energy development and the environment, and both issues are presented in this paper from the economic history point of view.

The United States： Economic Crisis, Productive Restructuring and the New Precarious Labor Conditions

The contemporary economic crisis should be considered within the framework of the contradictions created by the neoliberal model that was adopted in the mid-1970s, in the United States and throughout much of the world. The changes in the labor market and new forms of workforce exploitation based on deregulation, the increase of off-shoring, and flexible hiring practices have led to ＂new＂ precarious labor conditions. Due to the crisis, the United States labor market has been characterized by four factors： the increase of the unemployment, the unedited growth of the informal sector, a dramatic increase in precarious labor conditions for all workers, especially young people, minorities, and immigrants, and the increasing wage polarization. However, capitalist profit rates have actually substantially increased due to neoliberal policies and the resulting economic crisis. This situation led to a rise in the overexploitation of labor. It has had subsequent effects on unemployment, informal work, precarious labor conditions, and unequal salary distribution, especially in recently created positions. Increased labor flexibility has changed the typical forms of wage employment, and stable employment has been replaced by temporary and part-time employment usually with low wages and without social security and benefits.

Establishment of wear model and life prediction of drum of hot rolling coiler

For the drum of hot rolling coiler is prone to be easily destroyed, the type of MMU-5G abrasion tester was applied to revealing the friction and wear behavior. The morphology observation by scanning electron microscope (SEM) demonstrates the wear mechanism of the drum, and the test data of the influence coefficient of the normal pressure, relative sliding speed and surface lubrication conditions acted on the linear rate of the wear could be obtained by the regression method. A calculation model, which considers the factors of the structure of the drum, coiling tension and coiling strip specifications, was established by the combination method to predict the wear life of the drum. Then the practical production data was applied into this model and the analysis result was in good accordance with that of actual production.

翻译过程的认知心理解构

悄然兴起于上世纪80年代的翻译心理过程研究,是揭示翻译活动发生本质的重要途径。由于翻译活动本身的复杂特点,翻译研究者几乎不能进入人类大脑这个"黑匣子"。但是借助于心理学、脑科学、神经学等学科的研究成果,翻译过程的研究已经取得了一定的成就。本文即是借助于认知心理学的相关研究成果来对译者的翻译过程进行解构,把翻译过程中译者的心理解构为产生动机、解码、中间环节、再编码、校订五个环节,并分别对其过程进行简要的描述。

Numerical Investigation of Loss Generation Mechanisms of Flow in Turbomachinery by Using Curved Square Duct

The secondary flow within a passage of turbomachinery exhibits a complex flow pattern by the effect of the centrifugal and the Coriolis forces. The passage vortex in this secondary flow generates a major part of the losses. However, the mechanism of the loss generation has not been fully clarified yet. In this point of view, the passage vortex is closely examined by the computational method using the two-dimensional curved square ducts as fundamental models. The inlet boundary layer thickness and the inlet velocity distortion are considered to be the major parameters affecting the generation of passage vortex in the present study. The computed results revealed that the passage vortex gave the predominant effects for the generation of loss not only in the breakdown process but also in the development process.

Jet magnetically accelerated from disk-corona around a rotating black hole

A jet acceleration model for extracting energy from disk-corona surrounding a rotating black hole(BH) is proposed.In the diskcorona scenario,we obtain the ratio of the power dissipated in the corona to the total for such disk-corona system by solving the disk dynamics equations.The analytical expression of the jet power is derived based on the electronic circuit theory of the magnetosphere.It is shown that jet power increases with the increasing BH spin,and concentrates in the inner region of the disk-corona.In addition,we use a sample consisting of 37 radio loud quasars to explore their jet production mechanism,and show that our jet formation mechanism can simulate almost all sources with high power jet,which fails to be explained by the Blandford-Znajek(BZ) process.

Associated Production of a Photon with Dark Matter Pair at the ILC within the Littlest Higgs Model with T-parity

Within the context of the Littlest Higgs model with T-parity, the heavy photon （AH） is supposed to be an ideM dark matter （DM） candidate. One direct proof of validity of the model is to produce the heavy photon at collider. In this paper, we investigate the associated production of a photon with heavy photon pair at the planned international e＋ e- linear collider （ILC）, i.e., e＋e- → AHAHγ and show the distributions of the transverse momenta of the photon. The numerical results indicate that the heavy photon production rate could reach severaL fb at the low mass parameter space and the characteristic signal is a single high energetic photon and missing energy, carried by the heavy photons. All in a/l, it can be a good chance to observe the heavy photon via this process with the high yearly luminosity of the ILC.