【摘 要】
：
我们的城市必须成为能够让你我过上有尊严的、健康、安全、幸福和充满希望的美满生活的地方。但令人窒息的空气、拥堵不堪的交通、匮乏的水资源、用电也需要进行“紧缺”指数
论文部分内容阅读
我们的城市必须成为能够让你我过上有尊严的、健康、安全、幸福和充满希望的美满生活的地方。但令人窒息的空气、拥堵不堪的交通、匮乏的水资源、用电也需要进行“紧缺”指数预报、高昂疯涨的房价……仅仅这些已经够糟糕了,更糟的是若对城市的每个关节进行认真地审视,就会发现它就像筛子一样漏洞百出。请不要担心,未来新的技术正在让城市变得更美好。譬如让汽车发现路面上的坑洞、会弯曲的大桥、自我除冰的道路、能发现裂痕并自我修复的混凝土……众多新技术还将使未
Our city must become a place where you can live a dignified, healthy, safe, happy, and hopeful life. But the suffocating air, the congested traffic, the scarce water resources, and the power supply also need to carry out “shortages”, exponential forecasts, and soaring housing prices. These are just bad enough, and even worse, if A careful examination of every joint in the city reveals that it is as porous as a sieve. Please don’t worry, new technologies are making the city better in the future. For example, let cars find potholes on the road, bridges that bend, roads that de-icing themselves, concrete that can find cracks and repair itself... many new technologies will make
其他文献
目的:探讨分析中医肺康复法治疗慢性阻塞性肺疾病(COPD)稳定期患者的疗效.方法:选取2017年4月至2019年10月在笔者医院接受治疗的COPD稳定期患者60例,作为研究对象,使用随机数
目的:乙肝五项指标与乙型肝炎病毒脱氧核糖核酸水平指标有哪些关联,对乙型肝炎有哪些价值.方法:选取2019年1月至2020年1月在我院进行治疗的乙型肝炎患者200人进行乙型肝炎病
Thermal barrier coatings (TBCs) on the superalloy turbine blades can lower the temperature of metallic substrate by 100-300 ℃,allowing an increase in the t
Based on four factors experimental method,the effect on the wear-resisting property and hardness of arc-sprayed coatings was investigated by four important
Nanostructured Ni-Al2O3 composite coatings incorporated with various contents of α-Al2O3 nano-particles were prepared on mild steel by using novel sediment
目的:探讨微创手术治疗拇外翻畸形的效果.方法:选择2018年1月～2019年1月间我科收治的24例拇外翻畸形患者,根据手术方式不同将患者分为2组各12例,观察组采用微创手术,对照组采
目的:评价十味玉泉片联合盐酸二甲双胍用于治疗初发2型糖尿病的临床效果.方法:将42例初发2型糖尿病患者随机分为两组,对照组口服盐酸二甲双胍,研究组在对照组的基础上口服十
HVOF thermal spraying tests were carried out for thermal spraying the coatings with two kinds of cermets powders,which are microstructured Sulzer Metco Diam
Up-scaled deposition process of Teer-UDP850/4 has been established and used for massive production of CrTiAlN hard coatings in applications of anti-wear,cut
目的:探讨口腔种植修复牙列缺损的效果.方法:选取我科2018年1月～2019年1月间,收治的牙列缺损患者52例,根据治疗方法不同将患者分为2组各为26例,观察组采用口腔种植修复治疗,对