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111.
纺织原料种类多,纺织加工对纤维要求高,废料的利用可以提高原料的利用价值,与玻璃屏风的有机结合能够设计出自然典雅的艺术效果,为纺织经济的发展提供辅助作用。用于办公场所的隔断,餐厅的屏风,居家的装饰等既能半遮挡光线和视线,又采用双层玻璃隔音,是一副自然的装饰品。为纺织经济的多样化发展提供了途径。 相似文献
112.
《Journal of Travel & Tourism Marketing》2013,30(3-4):47-62
Abstract Touring holidays are greenhouse gas intensive, and ways are being sought to reduce these emissions in New Zealand. This research seeks to influence rental vehicle tourists' planning and decision making towards shorter travel. Semi-structured interviews (n = 96) were conducted as part of a quasi-experimental approach, in which tourists were “treated” by receiving a purpose-designed tourist map. Three levels of planning and decision making could be distinguished, whereby both cognitive and affective processes were important. The tourist map did not influence tourists' itineraries, but tourists in New Zealand consistently followed a “travel budget” of about 3-5 hours driving per day. 相似文献
113.
Yan Liu 《International Journal of Sustainable Transportation》2018,12(7):473-483
This article employs an integrated discrete-continuous car ownership model to jointly forecast households’ future preferences on vehicle type, quantity and use, and to estimate greenhouse gas (GHG) emissions. The model system is estimated on a dataset collected from a web-based stated preference survey conducted in Maryland in 2014. The data contain vehicle purchase decisions and sociodemographic information of 456 households who were requested to state their future preferences over a 9-year period (2014–2022). In each time period, a respondent is faced to four alternatives that include the current vehicle, a new gasoline vehicle, a new hybrid electric vehicle, and a new battery electric vehicle. Intertemporal choices between conventional and “green” vehicles such as hybrid and electric cars capture dynamics in vehicle purchase decisions. Short run and medium-long run situations were predicted and compared based on the first 4-year data and the entire 9-year data of the dynamic panel. Vehicle GHG emissions were calculated correspondingly. We find the introduction of “green” vehicles makes a positive impact on car ownership and use, especially in a medium-long run. Two “green” taxation policies, gasoline tax and ownership tax, were proposed and their impact on vehicle use and emission reductions was evaluated. Results indicate that: (a) gasoline tax is a more effective way to reduce vehicle miles traveled and GHG emissions and (b) gasoline tax makes a higher impact on car use and emission reductions in the medium-long run, while ownership tax makes a higher impact in the short run. 相似文献
114.
高校化学实验室几种废液的处理方法探索 总被引:1,自引:0,他引:1
高校化学实验室产生的废液不经处理便直接排入下水道,势必给环境和人类健康带来较大危害。针对这些问题,文章探索了几种方法对废液进行简单有效的处理和回收。 相似文献
115.
116.
Malcolm Abbott 《Australian economic history review》2013,53(2):167-186
The oldest industry in Australia subjected to economic regulation is the gas supply industry in the state of New South Wales. In this paper the aims and motivation of the New South Wales Government in establishing the regulatory regime in 1912 and the subsequent effectiveness in achieving them are determined. Initially the regulatory regime was based on ad hoc arrangements, but eventually a more permanent structure was devised that effectively defused political controversy over gas market pricing and stabilised prices rather than substantially lowered them. 相似文献
117.
文章以校企合作单位上海欧姆龙公司培训教师曾庆球到学校上课为例,介绍了高职院校课程改革中,理实一体化课程的授课过程和授课方式,说明了高职院校课程改革的重要性及其目的。图文并茂,说服力强。 相似文献
118.
文章介绍了天然气输送离心式压缩机组的常见故障,分析了故障原因及特征,进而对其故障诊断技术现状进行了总结和比较,在此基础上针对输气动力设备故障的复杂性提出了应用数据挖掘技术对离心式压缩机组进行故障诊断的初步设想。 相似文献
119.
Brazil is trying to identify ways to ally economic growth with climate change mitigation. Productivity gains in livestock have been pointed out as a promising alternative to achieve that goal. Thus, this paper analyses the economic impacts of a policy of productivity gains in the Brazilian livestock. Besides, we evaluate if the policy may conciliate agricultural growth and deforestation control, bearing in mind the reduction of greenhouse gas (GHG) emissions from land-use changes. The analysis was carried out through a computable general equilibrium (CGE) model, tailored to represent land-use changes, GHG emissions and removals. Besides, it made progress modeling the heterogeneity of climate, soils, and emissions in inter-regional models with many regions. The results show that productivity gains can effectively “save” land and thus avoid deforestation, especially in the Amazon and Cerrado (savannah) biomes. The policy also may boost the economic growth, spreading it to other regions of Brazil, like Centre-West and North, and increasing income and consumption in those places. However, as a climate policy, focused on the reduction of GHG emissions, the results may be counterproductive. The net amount issued may increase, as a result of the positive stimulus of the policy on the economy, and GHG emissions are directly related to the economic growth. 相似文献
120.
基于主成分分析的新疆石油天然气产业竞争力评价 总被引:3,自引:0,他引:3
文章从产业分析的视角,结合石油天然气产业自身的特点,构建了一套石油天然气产业竞争力评价指标体系,进而应用主成分分析法对新疆石油天然气产业竞争力进行定量分析,确定其在我国石油天然气产业中的竞争地位以及自身发展中存在的优势和不足。最后,文章对提升新疆石油天然气产业竞争力提出相应的对策:延伸产业链,推动上下游一体化发展;依托资源优势,培育和发展相关产业;增强技术创新能力,加快科研成果产业化。 相似文献