【摘 要】
：
The spatial distribution patterns of surficial sediment samples from different sedimentary domains(shallow to deep-sea regions) of the eastern Arabian Sea were studied using sediment proxies viz.envir
【出 处】
：
Geoscience Frontiers
论文部分内容阅读
The spatial distribution patterns of surficial sediment samples from different sedimentary domains(shallow to deep-sea regions) of the eastern Arabian Sea were studied using sediment proxies viz.environmental magnetism,geochemistry,particle size and cl
其他文献
In order to determine the pollution condition of heavy metal in Dazhai mellow-soil field,the content of Zn,Cr,Cu,Ni,Pb,As,Cd and Hg in this area were analyzed,the content of heavy metals in soils in S
坚持绿色发展是我们国家全体人民的共同责任,正如习近平总书记所讲:"绿我涓滴,会它千顷澄碧。"作为党员干部,更要不断增强自觉性,发挥带动力,提高贡献率。做绿色发展理念的拥护者。应深刻领会并牢固树立绿色发展理念,认真落实中央绿色发展部署,从自己做起,从身边做起,从小事做起;带头做下去,坚持做下去,
纤维编织管增强型中空纤维膜具有很强的力学性能、界面结合能力,采用纤维编织管增强型中空纤维膜生物反应器处理生活污水,研究纤维编织管增强型中空纤维膜(PAN-PVDF)长期运行的出水水质,并通过对其进行化学清洗考察膜的再生性能及其污染机理。研究表明:PAN-PVDF在运行、清洗过程中表现出很强抗污染能力,可以强化COD的去除,进一步降低出水COD含量,但对NH3-N和TP的去除贡献较小,将其用于膜生物
以等体积浸渍的方法将[C3O1Mim]+[H3CSO3]-(1-(2-甲氧基乙基)-3-甲基咪唑甲磺酸盐)和[C5O2Mim]+[H3CSO3]-(1-(2-甲氧基乙氧基乙基)-3-甲基咪唑甲磺酸盐)负载到活性炭纤维(ACF)上,并对其进行氮气吸附、热重等表征。对ACF固载的离子液体脱硫性能测试,结果表明:在离子液体负载量为10 wt%,模拟烟道气流量为40 m L/min,温度为20℃,SO2体
利用单颗粒气溶胶飞行时间质谱仪(SPAMS)对南宁市2015年冬季2月15~24日期间大气PM2.5进行观测.SPAMS所测得大气PM2.5数浓度与PM2.5质量浓度线性相关系数为0.76,在一定程度上颗粒物数浓度可反映大气污染状况.利用自适应共振神经网络分类方法(Art-2a)对PM2.5化学成分进行分类,确定PM2.5化学成分主要为元素碳、有机元素碳混合颗粒、有机碳、富钾颗粒、矿物质、富钠颗粒
A *-ring is called *-clean if every element of the ring can be written as the sum of a projection and a unit. For an integer n ≥ 1, we call a *-ring R n-*-clean if for any a ∈ R,a = p + u1 + ··· + unw
降水是由复杂的动力、热力和云微物理过程相互作用产生。为了揭示四川暴雨过程的云微物理特征,利用WRF模式对四川一次暴雨过程的高分辨率模拟资料,研究不同强度降水中云微物理特征和过程的差异。结果显示,水凝物含量在不同强度降水中显著不同;随着降水强度增强,与雨水产生直接或间接相关的云微物理转化过程明显增强;作为雨水的两个主要源项,云水被雨水碰并收集(QCL_(cr))随着降水强度增强而单调递增,而霰融化(
本文比较了三种卫星遥感资料和三层嵌套WRF模式预报降水在舟曲泥石流事件前后相对观测降水的准确度、误差等。结果表明,卫星遥感资料能从降水分布型、降水量值等方面反映出实际的降水特征,尤其是CMORPH和TRMM,更是基本接近实际降水的情况。PERSIANN资料虽然有相对大一些的误差,但区域降水总量、降水区分布型以及最大降水的时空再现已经比较精确。数值预报降水对区域总降水以及降水的分布形态能比较好的预报
Vertical axis tidal current turbine is a promising device to extract energy from ocean current. One of the important components of the turbine is the connecting arm, which can bring about a significan
At 13:46 on March 11, 2011(Beijing time), an earthquake of Mw=9.0 occurred in Japan. By comparing the tsunami data from Guanhekou marine station with other tsunami wave observation gathered from south