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德国HYDRO-BIOS公司——Van Veen采泥器 $ t6 Q( w& V) X0 b2 z+ z
Bottom Sampler acc. to Van Veen 6 n# ~" h# R$ ]
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用Van Veen采泥器(抓斗式采泥器)可以从任意想要的深度进行采样。在采泥器被沉入水中过程中，两根杆被锁定，并且离得很远，采泥器的采泥口处于打开状态。当采泥器与水床接触时，闭合器被释放；当绳缆被拉紧并向上拉动采泥器时，采泥器口就会关闭。如下图：
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采泥器的闭合状态 采泥器的打开状态 ) L0 V( _ B: s( J/ f
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+ o0 @2 S+ X6 m5 I7 v* W; J; ~Van Veen采泥器(抓斗式采泥器)订购信息：
# R1 Y1 C' W8 v- e) ^437 330 Van Veen采泥器
" J' P8 E" v, V& C( T0 C 小型采泥器，表面积250cm2，不锈钢材质
$ _# s6 n+ E% g* K+ {, X& {1 }1 m; Z8 v. d 尺寸20×30×60 cm，重量5kg O) v* W. T& }8 t `1 J. x
437 332 Van Veen采泥器
- l" @. X3 K8 ~) ~5 Z 大型采泥器，表面积1000cm2，不锈钢材质/ \( b; A0 S' a1 \+ z* u
尺寸35×42×90 cm，重量22kg% X8 q y+ P, r: B! q5 B m5 K
437 333 Van Veen采泥器5 _! }/ J2 S& r" r
大型采泥器，表面积1250cm2，不锈钢材质，带活动顶盖，便于样品释放
w2 A# u9 V7 V' [, ]7 H 尺寸36×45×90 cm，带配重铅块，总重量35kg（无配重）/60kg（25kg配重）
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Van Veen采泥器照片集：
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| Van Veen采泥器
* i' E2 \( h' k. ~ | Van Veen采泥器
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, j. o/ S n$ R& o6 U& t: L* T | 打开状态的Van Veen采泥器, v4 B6 ] t. u0 E
| 关闭状态的Van Veen采泥器3 K+ x) s; ?1 ]2 }* I( F O: B5 Q
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+ t. p4 p, `/ [) L代表文献：
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% J0 O: K, g& z9.DUQUESNE Sabine, LIESS Matthias ,2003.Increased sensitivity of the macroinvertebrate Paramorea walkeri to heavy-metal contamination in the presence of solar UV radiation in Antarctic shoreline waters.Marine ecology. Progress series.255:183-191.
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3 z: n% j% r* `更多关键词：采泥器，静力采泥器，Day采泥器，底泥取样器，软质底泥采样器，抓泥斗，河流采样器，蚌式采泥器，彼得生采泥器，Van Veen采泥器，挖斗式采泥器，抓斗式采泥器2 K& K& q: f: w- j! g
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