CN103975885A - Preparation method of Crassostrea hongkongensis fixation medium, Crassostrea hongkongensis fixation medium and application method of Crassostrea hongkongensis fixation medium - Google Patents
Preparation method of Crassostrea hongkongensis fixation medium, Crassostrea hongkongensis fixation medium and application method of Crassostrea hongkongensis fixation medium Download PDFInfo
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- CN103975885A CN103975885A CN201410239201.7A CN201410239201A CN103975885A CN 103975885 A CN103975885 A CN 103975885A CN 201410239201 A CN201410239201 A CN 201410239201A CN 103975885 A CN103975885 A CN 103975885A
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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
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The invention discloses a preparation method of a Crassostrea hongkongensis fixation medium. The preparation method comprises the following steps that (1) a plurality of rectangular plastic sheets are made and a round hole with the radius being 3-5 mm is formed in each plastic sheet, wherein the length of the plastic sheets is 10-20 cm, the width of the plastic sheets is 2-5 cm and the thickness of the plastic sheets is 1-3 cm; (2) the plastic sheets are strung through a rope, a plastic tube is arranged between every two adjacent plastic sheets, the plastic tubes are arranged on the rope in a sleeved mode, and then the preparation process of the Crassostrea hongkongensis fixation medium is completed. The invention further discloses the Crassostrea hongkongensis fixation medium and an application method of the Crassostrea hongkongensis fixation medium. After being processed through oxalic acid, fresh water and the like, the Crassostrea hongkongensis fixation medium is used as an eyespot larva collection fixation medium; the Crassostrea hongkongensis fixation medium increases the metamorphosis rate of Crassostrea hongkongensis larvas, accelerates juvenile mollusk growth, improves the juvenile mollusk survival ability and increases the juvenile mollusk yield, has the advantages of being capable of being recycled multiple times, light, convenient to use, good in corrosion resistance and the like and is worthy of popularization and application.
Description
Technical field
The invention belongs to shellfish culture technical field in modern marine agricultural, be specifically related to preparation method, this adhesive substrate and the using method thereof of a kind of Hong Kong oyster adhesive substrate.
Background technology
Hong Kong oyster Crassostrea hongkongensis is the Main Economic kind of China's the South China coastal cultivation, like living in nearly river mouth or near have fresh water to inject place, mainly be distributed in the ground such as Guangdong, Guangxi, annual production is at more than 130 ten thousand tons, the output value is in hundred million yuan of 80-100 (China Fisheries yearbook, 2013).Hong Kong oyster is compared with other oyster kind, and its value is mainly reflected in body pork fertilizer, delicious flavour, and its market value, far above other kind oyster, is favored by Guangdong, Guangxi, Hongkong and Macro, some national consumers of Southeast Asia deeply in addition.
Hong Kong oyster has the cultivation history of nearly one thousand years in areas such as China Guangdong, Guangxi, Hongkong and Macro, the seed of this industry all came from natural collecting seedling in the past, carried out afterwards sea to form, and reaches results after commercial specification, listing.For Hong Kong oyster is collected seedling, the oyster people are main, and what use is all that disposable pat of cement (piece) or oyster shell are as adhesive substrate.Wherein, pat of cement (piece) is too heavy, need a large amount of labour cost, and the effect of collecting seedling is relatively poor; The oyster shell effect of collecting seedling is comparatively desirable, but resistance to corrosion is poor, and especially the physical and chemical factor such as salinity, pH changes comparatively violently, and oyster shell adhesive substrate is easier to be corroded and causes seed to come off.For this reason, develop a kind of green, environmental protection, light, anticorrosive, and the adhesive substrate that can recycle is necessary very much.
Summary of the invention
The object of the invention is to, the preparation method of a kind of Hong Kong oyster adhesive substrate is provided, can low cost, produce the adhesive substrate for Hong Kong oyster culture expeditiously.
The present invention also aims to, a kind of adhesive substrate is provided, this adhesive substrate production cost is low, nontoxic, capable of circulation to be recycled, anticorrosive, light and environmental protection.
The present invention also aims to, the using method of above-mentioned adhesive substrate is provided.
The technical scheme that the present invention adopted is for achieving the above object:
A preparation method for Hong Kong oyster adhesive substrate, it comprises the following steps:
(1) most rectangular plastic sheets of preparation, the length of this plastic sheet is 10-20cm, and width is 2-5cm, and thickness is 1-3cm, and the circular hole that Radius is 3-5mm is set on this plastic sheet;
(2) a described majority plastic sheet is conspired to create a string with rope, between adjacent two plastic sheets, be provided with a plastic tube, this plastic pipe sleeve, on described rope, completes the preparation process of Hong Kong oyster adhesive substrate.
Described circular hole is located at distance minor face 2-5cm on this plastic sheet, 2.5cm place, distance limit; The radius of this circular hole is 3-5mm, and this rope is plastic ties, and the internal diameter of this plastic tube is 3-5mm.
This plastic sheet is provided with netted burr, and this plastic sheet is made up of nontoxic polyvinyl chloride.
The prepared adhesive substrate of preparation method of a kind of aforementioned Hong Kong oyster adhesive substrate, it comprises most rectangular plastic sheets, the length of this plastic sheet is 10-20cm, width is 2-5cm, thickness is 1-3cm, and the circular hole that Radius is 3-5mm is set on this plastic sheet, and a rope is successively through a described majority plastic sheet, between adjacent two plastic sheets, be provided with a plastic tube, this plastic pipe sleeve is on described rope.
Described circular hole is located at distance minor face 2-5cm on this plastic sheet, 2.5cm place, distance limit; The radius of this circular hole is 3-5mm, and this rope is plastic ties, and the internal diameter of this plastic tube is 3-5mm, and this internal diameter is radius.
This plastic sheet is provided with netted burr, and this plastic sheet is made up of nontoxic polyvinyl chloride.
A using method for aforementioned adhesive substrate, it comprises the following steps:
(1) adhesive substrate processing: before use, adhesive substrate is soaked to 12-24h with 10-30ppm concentration oxalic acid solution, use freshwater soaking 6-12h, dry for subsequent use;
(2) pond under adhesive substrate: when Hong Kong oyster larval growth is to 300-360 μ m, when eyebot larvae ratio>=30%, throw in adhesive substrate, eyebot larvae density is controlled at 0.6-1.8/mL, in water body, adhesive substrate input density is 50-100 string/m
3;
(3) adhesive substrate goes out pond: adhesive substrate was thrown in after 5-7 day, adhered to 30-60 juvenile mollusk on each plastic sheet, takes out adhesive substrate and is positioned over the ecological pool Tu Chi of brackish water environment or incubation in the middle of juvenile mollusk is carried out in rivers estuary surrounding waters.
This plastic sheet is black or Dark grey, is conducive to larva set metamorphosis, and this plastic sheet is provided with netted burr, is conducive to after larval metamorphosis more firm attachment in the above.
In the middle of juvenile mollusk, in incubation process, adhesive substrate has very strong corrosion-resistant effect, and after juvenile mollusk is bred as, this adhesive substrate recycles.
This plastic sheet is made up of nontoxic polyvinyl chloride.
Beneficial effect of the present invention is: the present invention is by simulation shell hardness, has made green, environmental protection, pollution-free, the polyvinyl chloride plastic tablet adhesive substrate that can reuse; After utilizing oxalic acid, fresh water etc. to process, as the eyebot larvae adhesive substrate of collecting seedling; Not only improved the distortion ratio of Hong Kong oyster larva, accelerated juvenile mollusk growth rate, increased the survival ability of juvenile mollusk, and improved the output of juvenile mollusk, have repeatedly recycle, the advantage such as light, resistance to corrosion, be worthy of popularization.
Below in conjunction with accompanying drawing and embodiment, the present invention is further described.
Brief description of the drawings
Fig. 1 is the structural representation of plastic sheet in the present invention.
Embodiment
Embodiment 1: see Fig. 1, the preparation method of a kind of Hong Kong of the present invention oyster adhesive substrate, it comprises the following steps:
(1) most rectangular plastic sheets 1 of preparation, the length of this plastic sheet 1 is 10-20cm, and width is 2-5cm, and thickness is 1-3cm, and it is the circular hole 2 of 3-5mm that Radius is set on this plastic sheet 1;
(2) a described majority plastic sheet 1 use rope is conspired to create a string, between adjacent two plastic sheets 1, be provided with a plastic tube, this plastic pipe sleeve, on described rope, completes the preparation process of Hong Kong oyster adhesive substrate.
Described circular hole 2 is located at distance minor face 2-5cm on this plastic sheet 1,2.5cm place, distance limit; The radius of this circular hole 2 is 3-5mm, and this rope is plastic ties, and the internal diameter of this plastic tube is 3-5mm, and this internal diameter is radius.
This plastic sheet 1 is provided with netted burr 3, and this plastic sheet 1 is made up of nontoxic polyvinyl chloride.
The prepared adhesive substrate of preparation method of a kind of aforementioned Hong Kong oyster adhesive substrate, it comprises most rectangular plastic sheets 1, the length of this plastic sheet 1 is 10-20cm, width is 2-5cm, thickness is 1-3cm, Radius is set on this plastic sheet 1 is circular hole 2, one ropes of 3-5mm successively through a described majority plastic sheet 1, between adjacent two plastic sheets 1, be provided with a plastic tube, this plastic pipe sleeve is on described rope.
Described circular hole 2 is located at distance minor face 2-5cm on this plastic sheet 1,2.5cm place, distance limit; The radius of this circular hole 2 is 3-5mm, and this rope is plastic ties, and the internal diameter of this plastic tube is 3-5mm, and this internal diameter is radius.
This plastic sheet 1 is provided with netted burr 3, and this plastic sheet 1 is made up of nontoxic polyvinyl chloride.
A using method for aforementioned adhesive substrate, it comprises the following steps:
(1) adhesive substrate processing: before use, adhesive substrate is soaked to 12-24h with 10-30ppm concentration oxalic acid solution, use freshwater soaking 6-12h, dry for subsequent use;
(2) pond under adhesive substrate: when Hong Kong oyster larval growth is to 300-360 μ m, when eyebot larvae ratio>=30%, throw in adhesive substrate, eyebot larvae density is controlled at 0.6-1.8/mL, in water body, adhesive substrate input density is 50-100 string/m
3;
(3) adhesive substrate goes out pond: adhesive substrate was thrown in after 5-7 day, adhered to 30-60 juvenile mollusk on each plastic sheet 1, takes out adhesive substrate and is positioned over the ecological pool Tu Chi of brackish water environment or incubation in the middle of juvenile mollusk is carried out in rivers estuary surrounding waters.
This plastic sheet 1 is black or Dark grey, is conducive to larva set metamorphosis, and this plastic sheet 1 is provided with netted burr 3, is conducive to after larval metamorphosis more firm attachment in the above.
In the middle of juvenile mollusk, in incubation process, adhesive substrate has very strong corrosion-resistant effect, and after juvenile mollusk is bred as, this adhesive substrate recycles.
This plastic sheet 1 is made up of nontoxic polyvinyl chloride.
In the present embodiment, the length of plastic sheet 1 is 16cm, width is 3cm, thickness is 2.5mm, and the radius of circular hole 2 is 4mm, and described circular hole 2 is located at distance minor face 3cm on this plastic sheet 1,2.5cm place, distance limit, plastic tube length is 1.5cm, it is a string that 120 plastic sheets 1 conspire to create, and plastic sheet 1 is 360,000, makes altogether 3000 string adhesive substrates.
Meanwhile, 300 of pat of cement adhesive substrates (8 pats of cement of every rope are restricted 1 for every 10) are set, oyster shell adhesive substrate 300 is (restricting 30 for every, 1, every 10 ropes).
Adhesive substrate processing: 5 10m that all adhesive substrates are positioned over to marine economic animal experiment station, Zhanjiang of South Sea institute of the Chinese Academy of Sciences
3in cement pit, utilize 30ppm concentration oxalic acid solution to soak 24h, utilize afterwards freshwater soaking 6h, be transferred to outdoor drying.
Pond under adhesive substrate: when Hong Kong oyster larval growth is to 300-360 μ m, when eyebot larvae ratio>=30%, adhesive substrate of the present invention, pat of cement adhesive substrate and oyster shell adhesive substrate are thrown in respectively to 3 10m
3in cement pit, collect seedling.Wherein, larval density is controlled at 0.6-1.2/mL, and it is 30-40 string/m that adhesive substrate is thrown in density
3water body.
Adhesive substrate goes out pond: according to the conventional sport technique segment of cultivating of Hong Kong oyster juvenile mollusk, continue to cultivate juvenile mollusk 15 after throwing in adhesive substrate, plastic sheet 1, pat of cement, oyster shell adhesive substrate unit of water body output of seedling are respectively 450,000,180,000,360,000/m
3; High 4.2mm, 3.6mm, the 3.0mm of being respectively of the average shell of its juvenile mollusk; Its juvenile mollusk survival rate is respectively 95%, 81%, 87%.
Embodiment 2, the present embodiment is substantially identical with embodiment 1, and its difference is:
In the present embodiment, the length of plastic sheet 1 is 16cm, width is 3cm, thickness is 2.5mm, and the radius of circular hole 2 is 4mm, and described circular hole 2 is located at distance minor face 3cm on this plastic sheet 1,2.5cm place, distance limit, plastic tube length is 1-2cm, it is a string that 120 plastic sheets 1 conspire to create, and plastic sheet 1 is 1,200,000, makes altogether 10000 string adhesive substrates.
Adhesive substrate processing: 5 10m that all adhesive substrates are positioned over to shellfish complex experiment station, Guangxi
3in cement pit, utilize 30ppm concentration oxalic acid solution to soak 24h, utilize afterwards freshwater soaking 6h, be transferred to outdoor drying.
Pond under adhesive substrate: when Hong Kong oyster larval growth is to 300-360 μ m, when eyebot larvae ratio>=30%, all adhesive substrates are thrown in to 10 10m
3in cement pit, collect seedling.Wherein, larval density is controlled at 0.6-1.2/mL, and it is 30-40 string/m that adhesive substrate is thrown in density
3water body.
Adhesive substrate goes out pond: according to the conventional sport technique segment of cultivating of Hong Kong oyster juvenile mollusk, after input adhesive substrate, continue to cultivate juvenile mollusk 12.On each plastic sheet 1, adhere to 35-62 juvenile mollusk, its shell is high at 2-5mm, and unit of water body output of seedling is 47.5 ten thousand/m
3water body, obtains 4,750 ten thousand healthy juvenile mollusks altogether.
Embodiment 3, the present embodiment is substantially identical with embodiment 1, and its difference is:
In the present embodiment, the length of plastic sheet 1 is 16cm, width is 3cm, thickness is 2.5mm, and the radius of circular hole 2 is 4mm, and described circular hole 2 is located at distance minor face 3cm on this plastic sheet 1,2.5cm place, distance limit, plastic tube length is 1-2cm, it is a string that 120 plastic sheets 1 conspire to create, and plastic sheet 1 is 1,800,000, makes altogether 15000 string adhesive substrates.
Adhesive substrate processing: 8 10m that all adhesive substrates are positioned over to Guangxi shellfish Comprehensive Experiment
3in cement pit, utilize 30ppm concentration oxalic acid solution to soak 24h, utilize afterwards freshwater soaking 12h, be transferred to outdoor drying.
Pond under adhesive substrate: when Hong Kong oyster larval growth is to 300-360 μ m, when eyebot larvae ratio>=30%, all adhesive substrates are thrown in to 15 10m
3in cement pit, collect seedling.Wherein, larval density is controlled at 0.6-1.2/mL, and it is 30-40 string/m that adhesive substrate is thrown in density
3water body.
Adhesive substrate goes out pond: according to the conventional sport technique segment of cultivating of Hong Kong oyster juvenile mollusk, after input adhesive substrate, continue to cultivate juvenile mollusk 15.On each plastic sheet 1, adhere to 28-65 juvenile mollusk, its shell is high at 3-5mm, and unit of water body output of seedling is 500,000/m
3water body, obtains 9,000 ten thousand healthy juvenile mollusks altogether.
As can be seen here, the present invention develops, and plastic sheet 1 adhesive substrate light, anticorrosive, that can repeatedly apply is the ideal material that Hong Kong oyster is collected seedling, and has good application and development prospect.
The present invention is by simulation shell hardness, made green, environmental protection, pollution-free, the polyvinyl chloride plastic tablet adhesive substrate that can reuse; After utilizing oxalic acid, fresh water etc. to process, as the eyebot larvae adhesive substrate of collecting seedling; Not only improved the distortion ratio of Hong Kong oyster larva, accelerated juvenile mollusk growth rate, increased the survival ability of juvenile mollusk, and improved the output of juvenile mollusk, have repeatedly recycle, the advantage such as light, resistance to corrosion, be worthy of popularization.
As described in the present embodiment of the invention, with preparation method, this adhesive substrate and the using method thereof of other Hong Kong oyster adhesive substrates of the same or similar structure of the present invention all in protection domain of the present invention.
Claims (10)
1. a preparation method for Hong Kong oyster adhesive substrate, is characterized in that, it comprises the following steps:
(1) most rectangular plastic sheets of preparation, the length of this plastic sheet is 10-20cm, and width is 2-5cm, and thickness is 1-3cm, and the circular hole that Radius is 3-5mm is set on this plastic sheet;
(2) a described majority plastic sheet is conspired to create a string with rope, between adjacent two plastic sheets, be provided with a plastic tube, this plastic pipe sleeve, on described rope, completes the preparation process of Hong Kong oyster adhesive substrate.
2. the preparation method of Hong Kong oyster adhesive substrate according to claim 1, is characterized in that, described circular hole is located at distance minor face 2-5cm on this plastic sheet, 2.5cm place, distance limit; The radius of this circular hole is 3-5mm, and this rope is plastic ties, and the internal diameter of this plastic tube is 3-5mm.
3. according to the preparation method of Hong Kong oyster adhesive substrate described in claim 1 or 2, it is characterized in that, this plastic sheet is provided with netted burr, and this plastic sheet is made up of nontoxic polyvinyl chloride.
4. the prepared adhesive substrate of preparation method by Hong Kong oyster adhesive substrate described in claim 1, it is characterized in that: it comprises most rectangular plastic sheets, the length of this plastic sheet is 10-20cm, width is 2-5cm, thickness is 1-3cm, and the circular hole that Radius is 3-5mm is set on this plastic sheet, and a rope is successively through a described majority plastic sheet, between adjacent two plastic sheets, be provided with a plastic tube, this plastic pipe sleeve is on described rope.
5. adhesive substrate according to claim 4, is characterized in that, described circular hole is located at distance minor face 2-5cm on this plastic sheet, 2.5cm place, distance limit; The radius of this circular hole is 3-5mm, and this rope is plastic ties, and the internal diameter of this plastic tube is 3-5mm.
6. adhesive substrate according to claim 4, is characterized in that, this plastic sheet is provided with netted burr, and this plastic sheet is made up of nontoxic polyvinyl chloride.
7. a using method for adhesive substrate described in claim 4, is characterized in that, it comprises the following steps:
(1) adhesive substrate processing: before use, adhesive substrate is soaked to 12-24h with 10-30ppm concentration oxalic acid solution, use freshwater soaking 6-12h, dry for subsequent use;
(2) pond under adhesive substrate: when Hong Kong oyster larval growth is to 300-360 μ m, when eyebot larvae ratio>=30%, throw in adhesive substrate, eyebot larvae density is controlled at 0.6-1.8/mL, in water body, adhesive substrate input density is 50-100 string/m
3;
(3) adhesive substrate goes out pond: adhesive substrate was thrown in after 5-7 day, adhered to 30-60 juvenile mollusk on each plastic sheet, takes out adhesive substrate and is positioned over the ecological pool Tu Chi of brackish water environment or incubation in the middle of juvenile mollusk is carried out in rivers estuary surrounding waters.
8. the using method of adhesive substrate according to claim 7, is characterized in that, this plastic sheet is provided with netted burr.
9. the using method of adhesive substrate according to claim 7, is characterized in that, in the middle of juvenile mollusk, in incubation process, adhesive substrate has very strong corrosion-resistant effect, and after juvenile mollusk is bred as, this adhesive substrate recycles.
10. the using method of adhesive substrate according to claim 7, is characterized in that, this plastic sheet is made up of nontoxic polyvinyl chloride.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410239201.7A CN103975885A (en) | 2014-06-03 | 2014-06-03 | Preparation method of Crassostrea hongkongensis fixation medium, Crassostrea hongkongensis fixation medium and application method of Crassostrea hongkongensis fixation medium |
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|---|---|---|---|
| CN201410239201.7A CN103975885A (en) | 2014-06-03 | 2014-06-03 | Preparation method of Crassostrea hongkongensis fixation medium, Crassostrea hongkongensis fixation medium and application method of Crassostrea hongkongensis fixation medium |
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Cited By (7)
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| CN105746394A (en) * | 2016-03-01 | 2016-07-13 | 中国科学院南海海洋研究所 | Method for judging survival ability of crassostrea hongkongensis |
| CN106719186A (en) * | 2017-01-16 | 2017-05-31 | 中国海洋大学 | A kind of attachment base suitable for northern oyster culture long and preparation method thereof |
| CN107372242A (en) * | 2017-08-21 | 2017-11-24 | 宁德市鼎诚水产有限公司 | The spatfall method of one seed oyster |
| CN108684588A (en) * | 2018-05-12 | 2018-10-23 | 苑春亭 | A method of with hard attachment base marine raft culture oyster |
| CN110984405A (en) * | 2019-12-02 | 2020-04-10 | 哈尔滨工程大学 | Ecological anti-corrosion method for serving marine reinforced concrete engineering |
| CN111270648A (en) * | 2019-12-02 | 2020-06-12 | 哈尔滨工程大学 | Construction method of ecological riprap breakwater |
| CN111321699A (en) * | 2019-12-02 | 2020-06-23 | 哈尔滨工程大学 | Construction method of marine ecological engineering of waste concrete |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107372242A (en) * | 2017-08-21 | 2017-11-24 | 宁德市鼎诚水产有限公司 | The spatfall method of one seed oyster |
| CN108684588A (en) * | 2018-05-12 | 2018-10-23 | 苑春亭 | A method of with hard attachment base marine raft culture oyster |
| CN110984405A (en) * | 2019-12-02 | 2020-04-10 | 哈尔滨工程大学 | Ecological anti-corrosion method for serving marine reinforced concrete engineering |
| CN111270648A (en) * | 2019-12-02 | 2020-06-12 | 哈尔滨工程大学 | Construction method of ecological riprap breakwater |
| CN111321699A (en) * | 2019-12-02 | 2020-06-23 | 哈尔滨工程大学 | Construction method of marine ecological engineering of waste concrete |
| CN111321699B (en) * | 2019-12-02 | 2021-07-13 | 哈尔滨工程大学 | Construction method of marine ecological engineering of waste concrete |
| CN111270648B (en) * | 2019-12-02 | 2021-07-16 | 哈尔滨工程大学 | Construction method of ecological riprap breakwater |
| CN110984405B (en) * | 2019-12-02 | 2021-12-24 | 哈尔滨工程大学 | Ecological anti-corrosion method for serving marine reinforced concrete engineering |
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Application publication date: 20140813 |