| 摘要 |
FIELD: investigating or analyzing materials. ^ SUBSTANCE: passive fluid sampler comprises reservoir whose top part is open and lid detachably connected with the open part of the reservoir and provided with through opening. The sampler is mounted at the opening in the lid and controls the inflowing fluid sample. The sampler is made of a polymeric semipermeable diaphragm and is the batching member that controls the inflowing the fluid through the opening in the lid. ^ EFFECT: enhanced reliability. ^ 1 dwg |
