公开(公告)号：US5220825A

公开(公告)日：1993-06-22

申请号：US782240

申请日：1991-10-23

申请人： Michael L. Peterson ,  Peter J. Hernes ,  David Thoreson ,  John I. Hedges

发明人： Michael L. Peterson ,  Peter J. Hernes ,  David Thoreson ,  John I. Hedges

IPC分类号： G01N1/20 ,  G01N1/22

CPC分类号： G01N1/20 ,  G01N1/2202 ,  G01N2001/2223

摘要： Multi-chamber devices of collecting particles in aquatic environments including an upper chamber serving as a particle interceptor chamber, a lower chamber serving as a particle accumulator chamber, and a valve assembly interposed between the upper and lower chambers are disclosed. Upon rotation of an indented valve body, particles in the upper chamber are transferred to the lower chamber and preserved for analysis. The valve assembly substantially reduces the presence of living organisms in particle samples and enhances the accuracy of passive vertical particle flux sampling techniques. A plurality of sample collection chambers may be provided to facilitate temporal resolution of vertical particle flux measurements during a single deployment period.

摘要翻译： 公开了在水环境中收集颗粒的多室装置，包括用作颗粒拦截室的上室，用作颗粒蓄积室的下室，以及介于上下室之间的阀组件。 当压缩阀体旋转时，上部腔室中的颗粒被转移到下部腔室并保存以供分析。 阀组件基本上减少了颗粒样品中生物体的存在，并提高了被动垂直颗粒通量采样技术的准确性。 可以提供多个样品收集室以便于在单个部署期间的垂直颗粒通量测量的时间分辨。