CN104429887B - Sea-plant propagation supplementary structure - Google Patents
Sea-plant propagation supplementary structure Download PDFInfo
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- CN104429887B CN104429887B CN201410206272.7A CN201410206272A CN104429887B CN 104429887 B CN104429887 B CN 104429887B CN 201410206272 A CN201410206272 A CN 201410206272A CN 104429887 B CN104429887 B CN 104429887B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
Abstract
The invention discloses a kind of sea-plant propagation supplementary structure, comprise successively by the connected float of stay cord, bracing frame and balancing weight, described bracing frame comprises center-pole, the sliding sleeve and the some fan-shaped support plates around center-pole circumferential directions that are slidably connected with center-pole, fan-shaped support plate is provided with some algae culture bricks, the bottom of described center-pole is provided with Connection Block, described fan-shaped support plate and Connection Block are rotationally connected on vertical plane, between sliding sleeve and each fan-shaped support plate upper surface, be hinged with respectively support bar, between described sliding sleeve and Connection Block, connect by extension spring, described float is provided with vent valve. the present invention aims to provide one and is convenient to marine alga seedling apposition growth, provides better protection for the marine alga seedling of early growth period, is convenient to concentrate throw in and the convenient sea-plant propagation supplementary structure of managing when improving marine alga survival rate.
Description
Technical field
The present invention relates to marine algae cultivation field, especially relate to a kind of sea-plant propagation auxiliaryHelp structure.
Background technology
Tangleweed is intertidal zone inferior segment and seabed, subtidal zone phytal zone clump between middle and high latitude marine siteRaw, as supporting plant and other planktonic organisms, necton and zoobenthos and being total to itThe envirment factor of depositing forms the offshore ecosystem jointly. Sea jungle tool taking tangleweed as supportingHave very high primary productivity, form complicated animals and plants food web can enrichment of N simultaneously, P etc.Eutrophication salt, restrains " red tide " outburst, protects the marine environment. The economy that sea jungle is createdBe worth very greatly, marine alga itself has industry, edible, medical value, and sea jungle more provides fishForage, the place of keeping away enemy, laying eggs. But, showing according to nearest observed result, sea jungle is justDisappearing, seaweed bio diversity declines simultaneously.
With regard to more existing researchs of reparation of sea jungle, mainly contain and set up nature reserve area at present, subtractThe destruction of few human activity; Carry out the biological research of artificial propagation and related work, as indoorArtificial breeding and seed intermediate rearing. When artificial breeding, the maturations that gather are planted algae in laboratory moreCarry out Spawning, zygote and sprout, be attached on adhesive substrate, grow seedling, though shell,On the adherances such as rock, juvenile sporophyte adheres to well, but is difficult for it input in seawater; Wei NiSynthetic fibre rope is made seedling curtain and is kept hanging on sea, but seedling strain growth is unhealthy and strong, and management is inconvenience comparatively; DirectlyOn the rock of intertidal zone, spray spore fluid, the probability that spore is successfully sprouted and set is grown is too little.
Summary of the invention
The present invention is in order to overcome while breeding marine alga in prior art in sea jungle, to marine alga childrenThe initial stage protection deficiency of seedling causes marine alga survival rate low, manages inconvenient deficiency, provides onePlant and be convenient to marine alga seedling apposition growth, provide better protection for the marine alga seedling of early growth period,When improving marine alga survival rate, be convenient to concentrate the sea-plant propagation of throwing in and conveniently manage auxiliaryHelp structure.
To achieve these goals, the present invention is by the following technical solutions:
A kind of sea-plant propagation supplementary structure of the present invention, comprises being connected by stay cord successivelyFloat, bracing frame and balancing weight, described bracing frame comprises center-pole, slides and connect with center-poleThe sliding sleeve connecing and some fan-shaped support plates around center-pole circumferential directions, fan-shaped supportPlate is provided with some algae culture bricks, and the bottom of described center-pole is provided with Connection Block, described fan-shapedGripper shoe and Connection Block are rotationally connected on vertical plane, sliding sleeve and each fan-shaped support plate upper surfaceBetween be hinged with respectively support bar, between described sliding sleeve and Connection Block, connect institute by extension springThe float of stating is provided with vent valve. Float, bracing frame and breeding piece are connected by stay cord, canPut into easily in seawater, by float and balancing weight effect, make the bracing frame can be in outstandingFloating state, is convenient to observe and manage, and algae culture brick is in seawater region at the middle and upper levels, justObtain sufficient sunlight and nutrient in marine alga. Sliding sleeve in the time of sliding stroke top dead centre, fan-shaped supportGap between plate is less, is convenient to marine alga seedling apposition growth on algae culture brick, improves seaThe survival rate of algae seedling, plays better protective effect. In the time that weight after seaweed growth constantly increases,Fan-shaped support plate rotates around Connection Block under Action of Gravity Field, makes sliding sleeve overcome the elasticity of extension springPower moves down, and realizes the expansion of fan-shaped support plate, and the gap between fan-shaped support plate increases,Be separated from each other, the marine stream inside and outside bracing frame is more convenient, further improves the growth of marine algaSpeed.
As preferably, described vent valve be included in the fairlead vertically arranged in float, can beThe piston sliding in fairlead inner chamber and act on the limit spring of piston, is connected with bracing frameIts upper end of stay cord be connected with piston, fairlead inner cavity top is provided with valve body, the company of being provided with in valve bodyThe spool that the bleed passage that logical float is inner and extraneous and control bleed passage open and close, spoolLower end is provided with shade and the valve core reseting spring that can contact with piston. Like this when occurring severe dayGas, when stormy waves is larger, piston can promote valve body, and float is carried out to bleed air operation, realizes and propping upThereby stormy waves is hidden in the automatic sinking of support, and marine alga is played to good protection.
As preferably, described algae culture brick is evenly arranged on fan-shaped support plate, adjacentBetween algae culture brick, be provided with gap, described fan-shaped support plate is provided with some and interstitial site pairThe limbers of answering. Limbers is set and can improves fan-shaped support plate both sides water body flow, realizeGood water body circulation.
As preferably, the top of described fairlead is provided with reel and small floating ball, on reel, twinesBe wound with the recovery cable for connecting small floating ball, the top of described vent valve is provided with restriction reel and turnsMoving reel detent mechanism.
As preferably, described reel detent mechanism comprises and can under spool effect, move upwardTraveller and traveller back-moving spring, the top of traveller is provided with reel alignment pin and for solidDetermine the linking arm of reel alignment pin. In the time that piston promotes spool venting, spool promotes slidingPost, thus spacing for reel of reel detent mechanism removed, small floating ball floating, so thatThereby salvage in time in manager's identification.
As preferably, the top of described fairlead is provided with traveller alignment pin and traveller alignment pin is multiplePosition spring, described traveller is along being axially arranged with two locating slots that match with alignment pin. Pass throughLocating slot limits the duty of traveller, ensures the timely unwrapping wire of reel.
As preferably, the opening part of described bleed passage is provided with and makes the unidirectional row outwardly of bleed passageThe check valve of gas. Thereby check valve is set avoids seawater to enter into bleed passage.
As preferably, on described Connection Block, be fixed with sliding sleeve positioning seat, the end of described sliding sleeve sidePortion is provided with stopper slot, and the upper surface of sliding sleeve positioning seat is provided with the deep gouge matching with sliding sleeve bottom,The edge of described deep gouge is provided with the spill spin block of arranged off-centre, and the side of spill spin block is provided with and stopper slotThe card access surface matching, spill spin block is provided with the torsion spring that can make card access surface and stopper slot locking, heavyThe bottom of groove is provided with the triggering block that can slide up and down triggering block and coordinate with triggering block and resetsSpring, triggering block is provided with the spill spin block alignment pin for position rotating piece. When bracing frame completeAfter expansion, triggering block can position sliding sleeve, avoids sliding sleeve slippage repeatedly, ensures marine algaStable growth.
As preferably, described fan-shaped support plate is recessed to form cambered surface downwards. Carry by depressionThe surface area of high fan-shaped support plate, algae culture brick forms inclination or vertical at fan-shaped support plateFacade, imitate the environment of precipitous seabed cay, make algae strain well-grown, can build simultaneouslyMetastable subenvironment, plays good protection to marine alga seedling.
Therefore, the present invention has following beneficial effect: (1) conveniently carries out concentrating of marine alga seedlingThrow in convenient observation and management; (2) initial stage of realizing seedling is protected, and improves survival rate, protectsThe cultivation effect of card marine alga; (3) thus can in the time that high sea is attacked, automatically sink to hiding high sea,Reduce the destroyed loss of marine alga, marine alga is played to good protection; (4) small floating ball after sinkingEmerge, conveniently salvage and reclaim by reclaiming cable; (5) reclaim and change marine alga trainingSupport brick and can drop into the algae culturing of next round afterwards, be convenient to gathering and overall weight of marine algaNew utilization, reduces use cost.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 be in Fig. 1 of the present invention bracing frame partly cut open figure;
Fig. 3 is the partial enlarged drawing of float in the present invention;
Fig. 4 is the partial enlarged drawing at A place in Fig. 3 of the present invention;
Fig. 5 is the structural representation after fan-shaped support plate expansion in the present invention;
Fig. 6 is the partial enlarged drawing at B place in Fig. 5 of the present invention.
In figure, float 1, vent valve 2, limit spring 201, fairlead 202, piston 203,Valve core reseting spring 204, valve body 205, small floating ball 206, top cover labyrinth 207, bleed passage208, spool 209, lower sealing cover 210, bracing frame 3, extension spring 301, center-pole 302,Sliding sleeve 303, stopper slot 303a, support bar 304, fan-shaped support plate 305, Connection Block 306,Limbers 307, balancing weight 4, sliding sleeve positioning seat 5, deep gouge 5a, stay cord 6, algae cultureBrick 7, traveller back-moving spring 8, traveller 9, reel alignment pin 9a, linking arm 9b, reclaimsCable 10, reel 11, traveller alignment pin 12, traveller alignment pin back-moving spring 13, check valve14, rotating shaft 15, spill spin block 16, handle 16a, spill spin block locating hole 16b, torsion spring 17,Triggering block 18, spill spin block alignment pin 18a, triggering block back-moving spring 19.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
In embodiment as shown in Figure 1, a kind of sea-plant propagation supplementary structure, comprises float1, bracing frame 3 and balancing weight 4, three connects by stay cord, wherein, bracing frame 3As shown in Figure 2, comprise center-pole 302, sliding sleeve 303 and some fan-shaped support plates 305, inCore bar 302 vertically arranges, sliding sleeve 303 can slide up and down along center-pole 302, center-pole302 bottom is provided with Connection Block 306, fan-shaped support plate 305 on Connection Block 306 around inCore bar 302 circumferential directions can be rotated relative to Connection Block 306 on vertical plane. Fan-shapedFagging 305 is provided with some algae culture bricks 7, and algae culture brick 7 is at fan-shaped support plate 305On be evenly arranged, between adjacent algae culture brick 7, be provided with gap, on fan-shaped support plate 305Be provided with some limbers 307 corresponding with interstitial site. Sliding sleeve 303 and each fan-shaped support plateBetween 305 upper surfaces, be hinged with respectively support bar 304, between sliding sleeve 303 and Connection Block 306Connect by extension spring 301, when fan-shaped support plate 305 rotates, thereby pull support bar304 drive sliding sleeve 303 down slidings, and extension spring 301 is stretched. Adjacent fan-shaped support plate 305Corresponding lateral edges has minimum clearance during in sliding stroke top dead centre at sliding sleeve 303. FanShape gripper shoe 305 is recessed to form cambered surface downwards, thereby improves the surface area of fan-shaped support plate 305,Algae culture brick 7 forms to tilt or vertical facade at fan-shaped support plate 305, imitates precipitousThe environment of seabed cay, makes algae strain well-grown, is conducive to build metastable culture environment.
As shown in Figure 3, float 1 is provided with vent valve 2, is included in the interior vertical layout of float 1Fairlead 202, piston 203 and the limit spring that can slide in fairlead 202 inner chambers201, limit spring 201 is Compress Spring, connects piston 203 and fairlead 202 bottoms,In addition stay cord 6 its upper ends that are connected with bracing frame 3 are connected with piston 203. On fairlead 202End is fixed with top cover labyrinth 207, and fairlead 202 lower ends are fixed with lower sealing cover 210, pass throughTop cover labyrinth 207, lower sealing cover 210 seal float 1. Fairlead 202 inner chamber topsPortion is provided with valve body 205, is provided with and is communicated with float 1 inside and extraneous bleed passage in valve body 205208 and control the spool 209 that opens and closes of bleed passage 208, fairlead 202 and top cover labyrinthOn 207, also there is the venthole corresponding with bleed passage 208, thereby form unimpeded gas circuit.The lower end of spool 209 is provided with shade and the valve core reseting spring 204 that can contact with piston 203,In the time that piston 203 upwards promotes spool 209, spool 209 is opened bleed passage 208, floatingAir in son 1 can be discharged by bleed passage 208. On piston 203, can offer through hole withFacilitate piston 203 to move up and down. The opening part of bleed passage 208 is provided with check valve 14, makesFloat 1 in air can only pass through the unidirectional exhaust outwardly of bleed passage 208, and extraneous skyGas and seawater cannot enter into bleed passage 208. In addition, on float 1, should be provided withValve is inflated it to facilitate.
As shown in Figure 4, the top of fairlead 202 is provided with reel 11 and small floating ball 206,Reel 11 is arranged on top cover labyrinth 207, is wound with for connecting little floating on reel 11The recovery cable 10 of ball 206. The top of vent valve 2 is provided with the coiling that restriction reel 11 rotatesCylinder detent mechanism, comprises that traveller 9 and the traveller that can under spool 209 effects, move upward are multiplePosition spring 8, traveller 9 runs through top cover labyrinth 207, and be provided with reel on traveller 9 tops fixed9a and the linking arm 9b for fixing reel alignment pin 9a are sold in position. When spool 209 upwardsWhile promoting traveller 9, linking arm 9b drives reel alignment pin 9a to leave on reel 11Locating hole, thereby the positioning states of releasing reel 11, reel 11 can freely rotate,Reclaiming cable 10 can freely pull out. The top of fairlead 202 be provided with traveller alignment pin 12 andTraveller alignment pin back-moving spring 13, traveller 9 along be axially arranged with match with alignment pin twoIndividual locating slot, positioning states and the free rotary state of corresponding reel 11 respectively, thereby anti-Only external environment is for the maloperation of reel 11.
Fan-shaped support plate 305 after launching as shown in Figure 5, sliding sleeve 303 be positioned at sliding stroke underStop, extension spring 301 is stretched, now the aperture maximum between fan-shaped support plate 305. In conjunction withShown in Fig. 6, on Connection Block 306, be fixed with sliding sleeve positioning seat 5, the bottom of sliding sleeve 303 sidesBe provided with stopper slot 303a, the upper surface of sliding sleeve positioning seat 5 is provided with sliding sleeve 303 bottoms and matchesThe deep gouge 5a closing, the edge of deep gouge 5a is provided with the spill spin block 16 of arranged off-centre, spill spin block 16Side be provided with the card access surface matching with stopper slot 303a, spill spin block 16 is provided with and can makes cardThe torsion spring 17 of junction and stopper slot 303a locking, spill spin block 16 positions by rotating shaft 15.The bottom of deep gouge 5a is provided with the triggering block 18 and coordinate with triggering block 18 of can slide up and downTriggering block back-moving spring 19, triggering block 18 is provided with the spill spin block for position rotating piece 16Alignment pin 18a. When original state, spill spin block alignment pin 18a acts on spill spin block locating hole 16bUpper, the bottom of sliding sleeve 303 can be entered in deep gouge 5a smoothly; When the end of sliding sleeve 303When portion can enter in deep gouge 5a smoothly, the bottom of sliding sleeve 303 presses triggering block 18 downwards,Make spill spin block alignment pin 18a leave spill spin block locating hole 16b, spill spin block 16 is at torsion spring 17Effect is lower rotates, and makes card access surface enter into stopper slot 303a locking with it. This outward turningOn switch block 16, be also provided with the handle 16a of one, thereby to facilitate manual pulling handle 16a to rotateSpill spin block 16, the lock-out state of releasing sliding sleeve 303.
Algae culture brick 7 adopts hexagon light foam concrete to make, and brick surface inserting has shellfishShell, barnacle, marial rocks fragment etc., hold its coarse holdfast that is easy to algae, presses close to primaryState, makes the easier set of algae strain and breeding. Drop into before the use of marine site, first algae culture brick is usedModification of nylon rope is together in series, and uses sea water immersion 24 hours. Be inlaid with shell, marial rocks fragmentMatsurface upward, at the bottom of being laid in nursery pond, wait for that marine alga sporinite sprouts and adhere to. Treat seaAlgae seedling grows to can plunge into the commercial sea the specification of cultivating time, and the algae culture brick 7 that is loaded with marine alga seedling is movedTo fan-shaped support plate 305. Complete after algae culture brick, whole device can drop into marine site and use.Across the sea with hawser location float 1, between each device at a distance of 1.5m or more sparse. RootAccording to the physilogical characteristics of cultivated algae and the demand of different development stage, can adjust stay cord 6 longDegree is to adapt to upright position under water.
After throwing in, along with weight after seaweed growth constantly increases, fan-shaped support plate 305 existsUnder Action of Gravity Field, rotate around Connection Block 306, make sliding sleeve 303 overcome the elasticity of extension spring 301Power moves down, and realizes the continuous expansion of fan-shaped support plate 305. Between fan-shaped support plate 305Apart from increasing, be separated from each other, so that seawater flow into the interior formation water body exchange of bracing frame 3. WhenThe bad weathers such as typhoon come interim, and marine stormy waves is larger, and float 1 is along with amplitude is stirred in seaGreatly, stay cord 6 is stressed larger, and piston 203, after limit spring 201 resiliences, can promoteValve body 205, exits to float 1, and device overall buoyancy reduces, and makes bracing frame 3 certainlyThereby stormy waves is hidden in moving sinking. Valve body 205 is in exitting, also by reel 11Latch-release, small floating ball 206 can emersion sea, to facilitate manager in bad weather mistakeAfter going, salvage.
Claims (9)
1. a sea-plant propagation supplementary structure, it is characterized in that, comprise successively by the connected float of stay cord (1), bracing frame (3) and balancing weight (4), described bracing frame (3) comprises center-pole (302), the sliding sleeve (303) and the some fan-shaped support plates (305) around center-pole (302) circumferential directions that are slidably connected with center-pole (302), fan-shaped support plate (305) is provided with some algae culture bricks (7), the bottom of described center-pole (302) is provided with Connection Block (306), described fan-shaped support plate (305) is rotationally connected on vertical plane with Connection Block (306), between sliding sleeve (303) and each fan-shaped support plate (305) upper surface, be hinged with respectively support bar (304), between described sliding sleeve (303) and Connection Block (306), connect by extension spring (301), described float (1) is provided with vent valve (2).
2. sea-plant propagation supplementary structure according to claim 1, it is characterized in that, described vent valve (2) is included in the fairlead (202) of vertically arranging in float (1), the piston (203) that can slide in fairlead (202) inner chamber and the limit spring (201) that acts on piston (203), its upper end of stay cord (6) being connected with bracing frame (3) is connected with piston (203), fairlead (202) inner cavity top is provided with valve body (205), in valve body (205), be provided with and be communicated with the inner and extraneous bleed passage (208) of float (1) and control the spool (209) that bleed passage (208) opens and closes, the lower end of spool (209) is provided with shade and the valve core reseting spring (204) that can contact with piston (203).
3. sea-plant propagation supplementary structure according to claim 1, it is characterized in that, described algae culture brick (7) is evenly arranged on fan-shaped support plate (305), between adjacent algae culture brick, be provided with gap, described fan-shaped support plate (305) is provided with some limbers corresponding with interstitial site (307).
4. sea-plant propagation supplementary structure according to claim 2, it is characterized in that, the top of described fairlead (202) is provided with reel (11) and small floating ball (206), on reel (11), be wound with the recovery cable (10) for connecting small floating ball (206), the top of described vent valve (2) is provided with the reel detent mechanism that restriction reel (11) rotates.
5. sea-plant propagation supplementary structure according to claim 4, it is characterized in that, described reel detent mechanism comprises traveller (9) and the traveller back-moving spring (8) that can under spool (209) effect, move upward, and the top of traveller (9) is provided with reel alignment pin (9a) and the linking arm (9b) for fixing reel alignment pin (9a).
6. sea-plant propagation supplementary structure according to claim 5, it is characterized in that, the top of described fairlead (202) is provided with traveller alignment pin (12) and traveller alignment pin back-moving spring (13), and described traveller (9) is along being axially arranged with two locating slots that match with alignment pin.
7. sea-plant propagation supplementary structure according to claim 2, is characterized in that, the opening part of described bleed passage (208) is provided with the check valve (14) that makes the unidirectional exhaust outwardly of bleed passage (208).
8. according to the sea-plant propagation supplementary structure described in claim 1 or 2 or 3, it is characterized in that, on described Connection Block (306), be fixed with sliding sleeve positioning seat (5), the bottom of described sliding sleeve (303) side is provided with stopper slot (303a), the upper surface of sliding sleeve positioning seat (5) is provided with the deep gouge (5a) matching with sliding sleeve (303) bottom, the edge of described deep gouge (5a) is provided with the spill spin block (16) of arranged off-centre, the side of spill spin block (16) is provided with the card access surface matching with stopper slot (303a), spill spin block (16) is provided with the torsion spring (17) that can make card access surface and stopper slot (303a) locking, the triggering block back-moving spring (19) that the bottom of deep gouge (5a) is provided with the triggering block that can slide up and down (18) and coordinates with triggering block (18), triggering block (18) is provided with the spill spin block alignment pin (18a) for position rotating piece (16).
9. according to the sea-plant propagation supplementary structure described in claim 1 or 2 or 3, it is characterized in that, described fan-shaped support plate (305) is recessed to form cambered surface downwards.
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| CN201410206272.7A CN104429887B (en) | 2014-05-15 | 2014-05-15 | Sea-plant propagation supplementary structure |
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| CN201410206272.7A CN104429887B (en) | 2014-05-15 | 2014-05-15 | Sea-plant propagation supplementary structure |
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| CN104429887B true CN104429887B (en) | 2016-06-08 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102668967A (en) * | 2012-05-04 | 2012-09-19 | 中国科学院海洋研究所 | Adjustable deep sea algae aquaculture floating bed |
| CN102696518A (en) * | 2012-06-28 | 2012-10-03 | 朱剑文 | Multifunctional nature-imitated ecological-culture snorkeling disc in ocean farming |
| CN203206961U (en) * | 2012-12-13 | 2013-09-25 | 浙江海洋学院 | Attachment assembly of haloplankton |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08140512A (en) * | 1994-11-19 | 1996-06-04 | Riyouyou Sangyo Kk | Application of nutrient salt simultaneously with extermination/removal of laver disease injury bacteria |
| DE102004010652B4 (en) * | 2004-02-29 | 2006-07-27 | Stiftung Alfred-Wegener-Institut Für Polar- Und Meeresforschung | Carrier device for the culture of macroorganisms in marine waters |
| CN103168715B (en) * | 2012-12-13 | 2014-07-16 | 浙江海洋学院 | Aquatic organism habitat device constructed manually |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102668967A (en) * | 2012-05-04 | 2012-09-19 | 中国科学院海洋研究所 | Adjustable deep sea algae aquaculture floating bed |
| CN102696518A (en) * | 2012-06-28 | 2012-10-03 | 朱剑文 | Multifunctional nature-imitated ecological-culture snorkeling disc in ocean farming |
| CN203206961U (en) * | 2012-12-13 | 2013-09-25 | 浙江海洋学院 | Attachment assembly of haloplankton |
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