粉體行業在線展覽
面議
476
Folsom浮游生物分樣器:將一定體積的樣品分成合適的量。一次操作可以將樣品分為兩等分,重復操作,可將樣品分成任意所需要的量。可拆卸圓柱桶,直徑23cm,高39.4cm,容積0.5L;2個可拆卸的透明樣品收集槽;4個可調節支撐腳,水平氣泡指示器。
文獻:
1:Effects of disturbance frequency, intensity, and area on assemblages of stream macroinvertebratesOecologiaAugust 2000, Volume 124, Issue 2, pp 270–279
2:Caddisfly diapause aggregations facilitate benthic invertebrate colonization
3:Biomass–density relationships and self-thinning of blue mussels (Mytilus spp.) reared on self-regulated longlinesAquacultureVolume 308, Issues 1–2, 5 October 2010, Pages 34-43
4: Invasion and production of New Zealand mud snails in the Colorado River, Glen CanyonBiological InvasionsSeptember 2010, Volume 12, Issue 9, pp 3033–3043
6:The differing crustacean zooplankton communities of Canadian Shield lakes with and without the nonindigenous zooplanktivore Bythotrephes longimanusCanadian Journal of Fisheries and Aquatic Sciences, 2003, 60(11): 1307-1313
FN304P微量水分析儀 (醫用氧氣)
美國GF 3-2724-003-2724-10 PH探頭傳感器電極
BT700
1187
multi NC 2100S/ 3100
AB23EC-F