基于低碳经济视角的我国碳排放强度影响因素分析

首次将中间投入强度及投入结构引入到碳排放强度影响因素研究中,选用2000年、2002年、2005年、2007年及2010年的数据,运用LMDI因素分解方法将我国碳排放强度的影响因素分解为能源结构效应、能源投入替代率效应、投入结构效应和中间投入强度效应。结果表明,能源投入替代率加快碳排放强度的降低,中间投入强度和投入结构抑制碳排放强度的降低,能源结构对碳排放强度的降低作用不明显。从因素总效应来看,除了2002—2005年间各影响因素整体抑制了碳强度的降低外,其他各区段间因素效应之和加速碳强度的降低。因此,调整投入结构、提高能源效率成为碳减排的当务之急。     

从美国基础研究发展过程引发的几点思考

分析美国基础研究经费投入的变化过程,以及其经费来源与使用情况,提出了关于我国基础研究发展的若干思考。     

功勋队绽放“六种文化理念”奇葩

大庆油田第四采油厂第二油矿五区三采油队大力加强企业文化建设,积极倡导“六种文化理念”,取得了较好的效果。 倡导“追求卓越,崇尚一流”的核心理念。在劳动组织优化改革试点的初期,针对“人员紧张,员工工作强度大,部分员工安于现状,甚至产生畏难情绪”这一实际,适时提出了“追求卓越,崇尚一流”的核心理念,旨在鼓舞队伍士气,     

万物都是发明家

万物皆是发明家,至大如浩瀚时空,至小如细微昆虫。太阳发明了巨大烈焰,其惊人能量形成强大引力场,将周遭行星牢牢吸附,形成太阳系,以其源源不断的热量催化了生命和文明,却毫不居功自傲,真正的大家风范。     

Tribology Performance and Adhesive Strength Evaluation of TiAlSiN Coating

Scratch test and friction test were performed to evaluate the internal and external interface behaviors of TiAlSiN coating, respectively. The critical compressive and shearing stress of coating failure during scratch test were calculated and the values are 30.84 MPa and 4.98 MPa respectively. The average friction coefficients of TiAlSiN coating against 2Cr12Ni4Mo3VNbN steel are 0.70 (sliding speed 50 m/min), 0.63 (sliding speed 100 m/min), and 0.81 (sliding speed 150 m/min). The elements diffusion was analyzed by EDS. Al and Si element of coating material diffuse to the steel disc, except Ti element. The oxidation decreases with the increase of sliding speed, but the adhesion increases with the increase of sliding speed. More Al element diffuses to the steel disc at the high sliding speed, but the diffusion of Si element keeps almost constant at different sliding speeds.     

浅谈排球运动常见的损伤及其预防

<正>排球是一项对人体要求相当全面的运动,具有明显的耐力性特点,同时对力量、速度、柔韧和灵敏等素质也有很高的要求。因此,排球运动中经常伴有大强度的爆发性动作,有时也会导致运动性损伤,应多加注意预防。一、排球运动中经常损伤的部位排球运动作为一项技能性要求很高的竞技     

基于主题的微博情绪与传播力关系研究——以"中美贸易战"为例

【Purpose/significance】this paper crawls the microblog related to the "Sino-US trade war" event, aiming to clari⁃ fy the relationship between the emotional characteristics and communication power of microblogs on different themes in the event, which is helpful to control and guide the public opinion.【Method/process】Firstly, we extract the topic of microblog data, classify the data into different emotion and calculate the emotional intensity, then we study distribution of emotion types,and discuss the relationship between the emotional types and the emotional intensity and the communication power of each topic.【Results/conclusion】The results show that: ①The analysis of the proportion and intensity of emotions of dif⁃ ferent themes can effectively identify the themes and emotions with potential risks. ②The analysis of the relationship be⁃ tween high proportion and high intensity of emotion and communication power in different themes can provide reference for formulating emotion guidance strategies.