CN101861842A - Method for preparing special pearl nuclei for cultivating blister pearls - Google Patents
Method for preparing special pearl nuclei for cultivating blister pearls Download PDFInfo
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- CN101861842A CN101861842A CN201010208003A CN201010208003A CN101861842A CN 101861842 A CN101861842 A CN 101861842A CN 201010208003 A CN201010208003 A CN 201010208003A CN 201010208003 A CN201010208003 A CN 201010208003A CN 101861842 A CN101861842 A CN 101861842A
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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
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- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
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- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The invention discloses a method for preparing special pearl nuclei for cultivating blister pearls. The method comprises the following step of: coating colored luminous paint, luminous and fluorescent paint and magnetic paint on conventional blister pearl nuclei serving as seed nuclei to form colored luminous blister pearl nuclei, luminous blister pearl nuclei and magnetic luminous pearl nuclei respectively. The pearl nuclei are safe and non-toxic. High-quality special blister pearls can be cultivated by treating the pearl nuclei with an immunizing agent and performing nucleus insertion. The technology can greatly increase the additional value of the blister pearls.
Description
Technical field
The present invention relates to a kind of preparation method who is used to cultivate the characteristic pearl nuclear of blister pearl.
Background technology
Begin from the mid-90 in 20th century, characteristic and high quality pearl are in occupation of the high-end market of world's pearl trade, and its output value accounts for more than 80% of international pearl trading total value, and the characteristic pearl sector of China fluctuates always, quality glides, and has lost international competitiveness.Chinese scholar starts from the sixties in 20th century to the research of seawater pearl shell, mainly pearly shellfish grow seedlings, form and the research of aspect such as physiological ecological more, to growing cultured pearls and also there are many research and achievement in aspect such as pearl processing, and the research of relevant special pearl is rarely reported.
Along with making rapid progress of scientific and technological level, in order to satisfy the growing demand of liking to be beautiful of people, some pearl dealer just begins to utilize various methods that cultured pearl is carried out deep processing and fine finishining, and the cultured pearl through optimization process on the international thereupon jewelry market is more and more.
Pearl is the biomineralization body that nacre is subjected to allos object (pearl nuclear material) to stimulate the back to be produced by the secretion of outer embrane epidermal cell.In the slotting nuclear process of pearl shell since shellfish to the repulsion that is on the defensive of external allos object, the phenomenon that causes the death of pearly shellfish easily and tell nuclear, finally reduce the quality of pearl or form unusual pearl, therefore people begin to be devoted to pearl nuclear is optimized the research of processing, improve the quality of pearl culture by the approach such as activation processing to pearl nuclear before the selection of pearl nuclear material, slotting nuclear.
High-quality pearl nuclear has become a key of cultivating the high-quality pearl, thereby the optimization process of pearl nuclear also becomes the important step of cultured pearl.Special pearl nuclear is prepared in transformation and optimization process by pearl nuclear, and inserting the special pearl of nuclear cultivation promptly becomes an important approach that improves pearl quality.
General pearl inserts the used pearl nuclear of nuclear and how to wear into shell, the pearl nuclear that also useful marble is made.Pearl nuclear commonly used has silver-colored pearl nuclear, lead sweat nuclear, clay pearl nuclear, ceramic bead nuclear, coral pearl nuclear, bead nuclear, hard paraffin pearl nuclear, resin bead nuclear, shell pearl nuclear, plant seed pearl nuclear and animal ovum pearl nuclear etc.
The breeding method of colored pearl mainly contains at present: be pearl nuclear with colored shell 1.; 2. be pearl nuclear with plating look shell; 3. be pearl nuclear with pottery plating look.The colored pearl one that cultivates with said method is the color instability, and the time has been grown and can fade; The 2nd, the nacre colouring can not be thick, and thick slightly color does not just show.And deficiencies such as ubiquity and told nuclear rate height in cultivating production, and the pearly shellfish survival rate is low, core-remaining rate is low.The present invention serves as a base nuclear with the attached shell pearl of tradition nuclear, and base nuclear is applied by film forming matter, luminous agent respectively, increases the special coating that other auxiliary agents and pigment are mixed with again; Make the attached shell pearl nuclear of colorful noctilucent, the attached shell pearl nuclear of noctilucence and magnetic noctilucent bead core respectively.Insert pearl shell by the pearl nuclear of this invention preparation and can cultivate colored pearl, night fluorescence pearl and magnetic pearl.
The formation of natural Noctilucence pearl is because occurring in nature contains radioisotopic mineral granule, and with breathing and the filter drinking water flows to into the shellfish body as core, the nacre deposition of the multiple one deck of tegillum forms pearl.Because the core substance excitation of penetrating the source, pearl was visible to the naked eye to fluorescence clearly at night, this is a Noctilucence pearl, also is legendary luminous pearl.Foreign matter with radioactive source enters Bei Tishi, also must bring the pearl matrix secretory cell of outer embrane shell-side face simultaneously into foreign matter.Could be proliferated into pearl sac around the foreign matter core, just might form legendary luminous pearl.This probability is extremely low, so the legendary luminous pearl of occurring in nature is also just atomic for number, is worth expensive.
Summary of the invention
The object of the invention provides a kind of preparation method who is used to cultivate the characteristic pearl nuclear of blister pearl, comprises colored noctilucent bead core, fluorescent bead core, the preparation of magnetic pearl nucleus.
The present invention be base nuclear surface applied one deck colorful light-emitting coating or night fluorescent paint or magnetic coating, make colored noctilucent bead core, fluorescent bead core and magnetic pearl nucleus respectively.
Described base is endorsed the attached shell pearl nuclear into hemispherical, 3/4ths spheries, heart or pictograph shape.
Described pearl is endorsed materials such as using calcium carbonate, shell, white rock, clay, marble, glass and makes.
Raw material and proportioning that the colorful light-emitting coating of described preparation colored noctilucent bead core is used are:
Material composition content w/%
High molecular polymer 50-70
Luminous agent 20-30
Coloring pigment 0.01-0.1
Coalescents 1.0-10
Dispersant 1.0-10
Defoamer 0.1-1.0
The deionized water surplus
Coloring pigment adjustment is mixed or is added to the color of the colorful light-emitting coating of described color bead nuclear mutually by different colours fluorescent material, and the color bead nuclear of finally making is eight kinds of colors such as yellow green, blue-green, purple, aubergine, blueness, orange-yellow, pink, redness.
Describedly take by weighing each component by the colour-wash formula rate, earlier water is put into dispersator, slowly stir and add high molecular polymer and auxiliary agent, add luminous agent and colouring agent behind the 20-30min, after quickening to stir 40min, promptly get colorful light-emitting coating, colorful light-emitting coating evenly is coated on base nuclear surface, 60-70 ℃ of baking and curing forms the colorful light-emitting pearl nuclear bright, that coating layer thickness is 0.1-1.0mm.
The used raw materials by weight proportioning of the luminous paint of described fluorescent bead core is:
High molecular polymer 50～70%
Luminous agent 20～30%
Coalescents 1.0～10%
Dispersant 1～10%
Defoamer 0.1～1.0%
The deionized water surplus
The technology of the preparation of described fluorescent bead core is: after each raw material takes by weighing by prescription, deionized water is put earlier in people's agitator, under the situation of stirring at low speed, add dispersant and part defoamer, after mixing, slowly pour into fluorescent material in the whirlpool, after adding luminescent powder, improve mixing speed, add plasticizer, coalescents stirs 20～30min, after being uniformly dispersed, under stirring at low speed, slowly add high molecular polymer, defoamer promptly obtains having the luminous paint of overlength afterglow, and luminous paint evenly is coated on base nuclear surface, 60-70 ℃ of baking and curing made light, thickness is the fluorescent bead core of 0.1-1.0mm.
Raw material that the luminous paint of described magnetic pearl nucleus is used and proportioning are:
Component content w/%
High molecular polymer 50～70
Magnaglo 20～30
Coalescents 1.0～10
Dispersant 1.0～10
Defoamer 0.1～1.0
The deionized water surplus
The preparation of described magnetic pearl nucleus is after by prescription each raw material being taken by weighing, deionized water to be put earlier in people's agitator, adds dispersant and part defoamer under the situation of stirring at low speed, after mixing, magnetic is slowly fallen in the whirlpool, add magnetic after, improve mixing speed, add all the other components, stir 20～30min, after being uniformly dispersed, under low speed, continue to stir 10min and obtain magnetic coating, this coating evenly is coated on base nuclear surface, and magnetic pearl nucleus is made in oven dry.
High molecular polymer as film forming matter in the described above-mentioned prescription is an acrylic resin polyurethane copolymer resins, superchlorinated polyvinyl chloride resin, polyvinylacetate-acrylic copolymer emulsion; Used luminous agent is the alkaline earth aluminate of activated by rare earth elements; Used Magnaglo is Fe
3O
4, Fe
2O
3, BaO is the magnetic material of the mixed-powder of composition; The PH that used auxiliary agent can not contain heavy metal compound and coatings formulated system is neutrality or meta-alkalescence.
Colored noctilucent bead core provided by the invention, have long-acting, intensity is big, safety non-toxic is cultivated the motley colorful noctilucent pearl of high-quality by inserting nuclear, and is suitable for large-scale production; Fluorescent bead core provided by the invention, this pearl nuclear is luminous in night or dark, longer duration, safety non-toxic after pearl nuclear activity agent processing, is inserted nuclear, can cultivate high-quality noctilucence blister pearl; The pearl that magnetic pearl nucleus provided by the invention is cultivated has the function of mediator's bioelectricity balance sysmte, can produce good biology health-care effect to human body.
Embodiment
Embodiment 1
The preparation of blue-light-emitting pearl nuclear:
Raw material that blue-light-emitting coating is used and proportioning are:
Material composition content w/%
Acrylic resin polyurethane copolymer resins 60
Blue colour fluorescent powder 25
Blue-green pigment 0.02
Ethylene glycol phenyl ether acetate 4
Lauryl sodium sulfate 5
Dimethyl silicone polymer 0.5
The deionized water surplus
Take by weighing each component according to above formula rate, the water of will partly filling a prescription is put in the dispersator, add various auxiliary agents, slowly stir 20-30min to be mixed evenly after, again blue colour fluorescent powder is added in the vortex that impeller stirs, improve mixing speed, luminescent material is evenly spread in the solution, the PH of regulation system is neutrality or meta-alkalescence.Add acrylic resin polyurethane copolymer resins and all the other auxiliary agents, water then gradually, after stirring 30-40min at a slow speed and being uniformly dispersed, promptly can be made into the blue-green luminous paint.
Selecting background color for use is 200 of the common shell pearl nuclears of white, after the washing oven dry, luminescent coating evenly is coated in base nuclear surface after, 60 ℃ of baking and curing, making thickness is the blue-green noctilucent bead core of 0.1～1.0mm.
Embodiment 2
The preparation of emitting red light pearl nuclear:
Raw material that emitting red light coating is used and proportioning are:
Material composition content w/%
Superchlorinated polyvinyl chloride resin 60
Red fluorescence powder 20
Red pigment 0.02
Ethylene glycol phenyl ether acetate 6
Lauryl sodium sulfate 8
Dimethicone 0.5
The deionized water surplus
Take by weighing each component according to above formula rate, the water of will partly filling a prescription is put in the dispersator, add various auxiliary agents, slowly stir 20-30min to be mixed evenly after, again red fluorescence powder is added in the vortex that impeller stirs, improve mixing speed, luminescent material is evenly spread in the solution, the PH of regulation system is neutrality or meta-alkalescence.Add benzene emulsion and all the other auxiliary agents, water then gradually, after stirring 30-40min at a slow speed and being uniformly dispersed, promptly can be made into emitting red light coating.
Selecting background color for use is 200 of the common shell pearl nuclears of white, after the washing oven dry, luminescent coating evenly is coated in base nuclear surface after, 60 ℃ of baking and curing, making thickness is the red noctilucent bead core of 0.1～1.0mm.
Embodiment 3
Two kinds of colored noctilucent bead cores that more than make, after homemade immunopotentiator processing, in Xuwen, Zhanjiang pearl field of growing cultured pearls, pteria martensii is carried out manually inserting nuclear, and each pearly shellfish is inserted two nuclears, takes out pearl from cultured 2 months pearly shellfish, the core-remaining rate of shellfish reaches 72.6%, staying check figure is 1.45/shellfish, and pearl nuclear surface has grown about about 0.1mm, at night or the dark place illumination effect good.
Embodiment 4
The preparation of yellow green noctilucent bead core:
The composition and the proportioning of yellow green luminescent coating are as follows:
Component content w/%
Aqueous epoxy resin emulsion 60
Yellow-green fluorescence powder 25
Ethylene glycol phenyl ether acetate 5
Lauryl sodium sulfate 6
Dimethicone 0.5
The deionized water surplus
Take by weighing each component according to above formula rate, the part prescription is put in the dispersator, add various auxiliary agents, slowly stir 20-30min to be mixed evenly after, again in the vortex that yellow-green fluorescence powder adding impeller is stirred, improve mixing speed, luminescent material is evenly spread in the solution, the PH of regulation system is neutrality or meta-alkalescence.Add aqueous epoxy resin emulsion and all the other auxiliary agents, water then gradually, after stirring 30-40min at a slow speed and being uniformly dispersed, promptly can be made into the yellow green luminous paint.
Selecting background color for use is 200 of the common shell pearl nuclears of white, after the washing oven dry, luminescent coating evenly is coated in base nuclear surface after, 60 ℃ of baking and curing, making thickness is the yellow green noctilucent bead core of 0.1～1.0mm.
Embodiment 5
The preparation of violet light pearl nuclear:
The raw material of violet light coating and proportioning are:
Component content w/%
Benzene emulsion 60
Purple fluorescence powder 20
Ethylene glycol phenyl ether acetate 6.0
Lauryl sodium sulfate 8.0
Dimethicone 0.5
The deionized water surplus
Take by weighing each component according to above formula rate, the water of will partly filling a prescription is put in the dispersator, add various auxiliary agents, slowly stir 20-30min to be mixed evenly after, again in the vortex that purple fluorescence powder adding impeller is stirred, improve mixing speed, luminescent material is evenly spread in the solution, the PH of regulation system is neutrality or meta-alkalescence.Add benzene emulsion and all the other auxiliary agents, water then gradually, after stirring 30-40min at a slow speed and being uniformly dispersed, promptly can be made into emitting red light coating.
Selecting background color for use is 200 of the common shell pearl nuclears of white, after the washing oven dry, luminescent coating evenly is coated in base nuclear surface after, 60 ℃ of baking and curing, making thickness is the red noctilucent bead core of 0.1～1.0mm.
Embodiment 6
The cultivation of Noctilucence pearl is grown cultured pearls to test the Xuwen pearl and has been obtained very good result, the noctilucent bead core that makes according to above-mentioned technical scheme, pteria martensii is carried out manually inserting nuclear, each pearly shellfish is inserted two nuclears, from cultured 2 months pearly shellfish, take out pearl, the core-remaining rate of shellfish reaches 72.6%, and staying check figure is 1.45/shellfish.
Embodiment 7
The preparation of magnetic health pearl nuclear:
The raw material of magnetic health-care coating and proportioning are:
Material composition content w/%
Benzene emulsion 60
Magnaglo 20
Ethylene glycol phenyl ether acetate 6.0
Lauryl sodium sulfate 8.0
Dimethicone 0.5
The deionized water surplus
Its preparation method is, after by prescription each raw material being taken by weighing, deionized water is added earlier in the agitator, under the situation of stirring at low speed, add dispersant and part defoamer, after mixing, with magnetic slowly in the vortex of falling people, after adding magnetic, improve mixing speed, add plasticizer, coalescents, stir 20～30min, after being uniformly dispersed, under stirring at low speed, slowly add high molecular polymer, defoamer is regulated the pH value and is about 8, can obtain magnetic coating with health role, select the attached shell pearl of common tradition nuclear for use, after the washing oven dry, magnetic coating evenly is coated in base nuclear surface after, 60-70 ℃ of baking and curing makes the magnetic pearl nucleus that thickness is 0.1～1.0mm.
Embodiment 8
The cultivation of magnetic pearl obtains good result in the experiment of growing cultured pearls of Xuwen pearl, examine according to the magnetic health-care pearl that above-mentioned technical scheme makes, pteria martensii is carried out manually inserting nuclear, each pearly shellfish is inserted two nuclears, from cultured 2 months pearly shellfish, take out pearl, the core-remaining rate of shellfish reaches 80.6%, and staying check figure is 1.52/shellfish.
Claims (10)
1. preparation method who is used to cultivate the characteristic pearl nuclear of blister pearl is characterized in that making colored noctilucent bead core, fluorescent bead core and magnetic pearl nucleus respectively at base nuclear surface applied one deck colorful light-emitting coating, night fluorescent paint, magnetic coating.
2. the preparation method who is used to cultivate the characteristic pearl nuclear of blister pearl according to claim 1, it is characterized in that the base of selecting for use endorses the attached shell pearl nuclear into hemispherical, 3/4ths spheries, heart or pictograph shape, pearl is endorsed materials such as using calcium carbonate, shell, white rock, clay, marble, glass and makes.
3. the preparation method who is used to cultivate the characteristic pearl nuclear of blister pearl according to claim 1 is characterized in that:
The used raw material and the proportioning of colorful light-emitting coating of preparation colored noctilucent bead core is:
Material composition content w/%
High molecular polymer 50～70
Luminous agent 20～30
Coloring pigment 0.01～0.1
Coalescents 1.0～10
Dispersant 1.0～10
Defoamer 0.1～1.0
The deionized water surplus
4. the preparation method who is used to cultivate the characteristic pearl nuclear of blister pearl according to claim 1, it is characterized in that: coloring pigment adjustment is mixed or is added to the color of the colorful light-emitting coating of color bead nuclear mutually by different colours fluorescent material, and the color bead nuclear of finally making is eight kinds of colors such as yellow green, blue-green, purple, aubergine, blueness, orange-yellow, pink, redness.
5. the preparation method who is used to cultivate the characteristic pearl nuclear of blister pearl according to claim 1, it is characterized in that: take by weighing each component by the colour-wash formula rate, earlier water is put into dispersator, slowly stir and add high molecular polymer and auxiliary agent, add luminous agent and colouring agent behind the 20-30min, after quickening to stir 40min, promptly get colorful light-emitting coating, colorful light-emitting coating evenly is coated on base nuclear surface, 60-70 ℃ of baking and curing forms the colorful light-emitting pearl nuclear bright, that coating layer thickness is 0.1-1.0mm.
6. the preparation method who is used to cultivate the characteristic pearl nuclear of blister pearl according to claim 1 is characterized in that:
The used raw materials by weight proportioning of the luminous paint of fluorescent bead core is:
High molecular polymer 50～70%
Luminous agent 20～30%
Coalescents 1.0～10%
Dispersant 1～10%
Defoamer 0.1～1.0%
The deionized water surplus
7. the preparation method who is used to cultivate the characteristic pearl nuclear of blister pearl according to claim 1 is characterized in that:
The technology of the preparation of fluorescent bead core is: after each raw material takes by weighing by prescription, deionized water is put earlier in people's agitator, under the situation of stirring at low speed, add dispersant and part defoamer, after mixing, slowly pour into fluorescent material in the whirlpool, after adding luminescent powder, improve mixing speed, add plasticizer, coalescents stirs 20～30min, after being uniformly dispersed, under stirring at low speed, slowly add high molecular polymer, defoamer promptly obtains having the luminous paint of overlength afterglow, and luminous paint evenly is coated on base nuclear surface, 60-70 ℃ of baking and curing made light, thickness is the fluorescent bead core of 0.1-1.0mm.
8. the preparation method who is used to cultivate the characteristic pearl nuclear of blister pearl according to claim 1 is characterized in that:
Raw material that the luminous paint of magnetic pearl nucleus is used and proportioning are:
Component content w/%
High molecular polymer 50～70
Magnaglo 20～30
Coalescents 1.0～10
Dispersant 1.0～10
Defoamer 0.1～1.0
The deionized water surplus
9. the preparation method who is used to cultivate the characteristic pearl nuclear of blister pearl according to claim 1, it is characterized in that: the preparation of magnetic pearl nucleus is after by prescription each raw material being taken by weighing, deionized water is put earlier in people's agitator, under the situation of stirring at low speed, add dispersant and part defoamer, after mixing, magnetic is slowly fallen in the whirlpool, after adding magnetic, improve mixing speed, add all the other components, stir 20～30min, after being uniformly dispersed, under low speed, continuing to stir 10min and obtain magnetic coating, this coating evenly is coated on base nuclear surface, magnetic pearl nucleus is made in oven dry.
10. the preparation method who is used to cultivate the characteristic pearl nuclear of blister pearl according to claim 1, it is characterized in that: the high molecular polymer as film forming matter in the above-mentioned prescription is an acrylic resin polyurethane copolymer resins, superchlorinated polyvinyl chloride resin, polyvinylacetate-acrylic copolymer emulsion; Used luminous agent is the alkaline earth aluminate of activated by rare earth elements; Used Magnaglo is Fe
3O
4, Fe
2O
3, BaO is the magnetic material of the mixed-powder of composition; The PH that used auxiliary agent can not contain heavy metal compound and coatings formulated system is neutrality or meta-alkalescence.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102106267A (en) * | 2010-12-02 | 2011-06-29 | 广东海洋大学 | Cultivating method of hieroglyphic blister freshwater pearl |
| CN102246715A (en) * | 2011-04-29 | 2011-11-23 | 广东海洋大学 | Breeding method of night fluorescent pearl oyster |
| CN103202244A (en) * | 2012-01-11 | 2013-07-17 | 何德边 | Luminous pearl nucleus and preparation method thereof as well as method for cultivating luminous pearls |
| CN105219186A (en) * | 2014-05-30 | 2016-01-06 | 天津美瑞自行车有限公司 | Bike fluorescent coating |
| CN105284673A (en) * | 2015-06-07 | 2016-02-03 | 福建师范大学 | Method for renewing old pearl |
| CN105309345A (en) * | 2015-06-07 | 2016-02-10 | 福建师范大学 | A method of culturing pearls by implanting nucleuses after in vitro co-culture of mantle free cells and the tissue engineering scaffold pearl nucleuses |
| CN112450133A (en) * | 2020-12-24 | 2021-03-09 | 海南海润珍珠股份有限公司 | Cultivation method of dark green pearls |
| CN114910121A (en) * | 2022-04-08 | 2022-08-16 | 广西诸宝科技开发有限公司 | Pearl source tracing identification method and device |
| CN116584423A (en) * | 2023-05-08 | 2023-08-15 | 广东海洋大学 | Preparation method of bluish violet pearl nuclei |
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| CN101243777A (en) * | 2008-03-13 | 2008-08-20 | 苏州市珍妮日用化工有限公司 | Noctilucence pearl cultivating method |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102106267A (en) * | 2010-12-02 | 2011-06-29 | 广东海洋大学 | Cultivating method of hieroglyphic blister freshwater pearl |
| CN102246715A (en) * | 2011-04-29 | 2011-11-23 | 广东海洋大学 | Breeding method of night fluorescent pearl oyster |
| CN103202244A (en) * | 2012-01-11 | 2013-07-17 | 何德边 | Luminous pearl nucleus and preparation method thereof as well as method for cultivating luminous pearls |
| CN103202244B (en) * | 2012-01-11 | 2015-03-25 | 何德边 | Luminous pearl nucleus and preparation method thereof as well as method for cultivating luminous pearls |
| CN105219186A (en) * | 2014-05-30 | 2016-01-06 | 天津美瑞自行车有限公司 | Bike fluorescent coating |
| CN105309345A (en) * | 2015-06-07 | 2016-02-10 | 福建师范大学 | A method of culturing pearls by implanting nucleuses after in vitro co-culture of mantle free cells and the tissue engineering scaffold pearl nucleuses |
| CN105284673A (en) * | 2015-06-07 | 2016-02-03 | 福建师范大学 | Method for renewing old pearl |
| CN105309345B (en) * | 2015-06-07 | 2017-10-31 | 福建师范大学 | Outer embrane free cell plants the method that core cultivates pearl after being co-cultured in vitro with tissue engineering bracket pearl core |
| CN112450133A (en) * | 2020-12-24 | 2021-03-09 | 海南海润珍珠股份有限公司 | Cultivation method of dark green pearls |
| CN114910121A (en) * | 2022-04-08 | 2022-08-16 | 广西诸宝科技开发有限公司 | Pearl source tracing identification method and device |
| CN114910121B (en) * | 2022-04-08 | 2024-04-26 | 广西诸宝科技开发有限公司 | Pearl tracing identification method and device |
| CN116584423A (en) * | 2023-05-08 | 2023-08-15 | 广东海洋大学 | Preparation method of bluish violet pearl nuclei |
| CN116584423B (en) * | 2023-05-08 | 2024-05-10 | 广东海洋大学 | Preparation method of bluish violet pearl nuclei |
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Application publication date: 20101020 |