国内外现有研究工作主要针对车型进行识别,该文在此基础上对车速范围的分类识别进行了研究。文中将主成分分析方法和BP神经网络算法结合(PCA-BP)对车型与车速进行识别分析,对
Use of environmentally friendly approaches with the purpose of strengthening soil layers along with finding correlations between the mechanical characteristics
那天午休,我突然接到一位叫“罗伯”的前辈打来的电话.经他提醒,我才想起,父亲当初下放到农村就住他家里,他也是那个特殊年代父亲所结交的挚友之一.虽然他家条件很差,但仍全
This paper investigates the effectiveness of nano-modification on the strength enhancement of cementstabilized dredged sludge(CDS).Three types of nanoparticles
Leakage of oil and its derivatives into the soil can change the engineering behavior of soil as well as cause environmental disasters.Also,recovering the contam
油浸式配电变压器表面布有大量散热片结构,使得油箱振动声辐射变得复杂。该文研究了散热片结构对油浸式变压器辐射声场的影响,在此基础上提出了散热片结构尺寸的优化措施。建
春意渐浓,我若在生活在家乡的美丽乡村,定是“厨房泠泠淘蕨菜,农田汩汩润桑麻”吧.rn在我的故乡开春的第一道山野美味,便是蕨菜.那是我的最爱.“堆盘催熟紫玛瑙,入口嚼碎明琉
一个整天“这个看不惯”“那个瞧不顺眼”,无时无刻发牢骚的老太太,在我的引导下,转换了晚年的心态,每天由“阴转多云”变成了“晴朗微风”,晚年的生活由此发生了巨变.——这
Instabilities of shallow gas-charged seabed are potential geological hazards in ocean engineering. In practice, the conventional field sampling techniques faile
说到汤,世界各地的许多美食家都信奉这样的一个信条:“宁可食无肉,不可食无汤.”汤对维护健康、保持和增强体力大有裨益,无论走到哪里,人们都说“喝汤补身”.在西方各国中,美