CN111270536A - Method for improving dyeing fixation rate of reactive dye liquid ammonia - Google Patents
Method for improving dyeing fixation rate of reactive dye liquid ammonia Download PDFInfo
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- CN111270536A CN111270536A CN202010252869.0A CN202010252869A CN111270536A CN 111270536 A CN111270536 A CN 111270536A CN 202010252869 A CN202010252869 A CN 202010252869A CN 111270536 A CN111270536 A CN 111270536A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/38—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using reactive dyes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
- D06P1/67333—Salts or hydroxides
- D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
- D06P1/67333—Salts or hydroxides
- D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
- D06P1/67358—Halides or oxyhalides
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
- D06P1/67333—Salts or hydroxides
- D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
- D06P1/67366—Phosphates or polyphosphates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/81—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using dyes dissolved in inorganic solvents
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
- D06P3/66—Natural or regenerated cellulose using reactive dyes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/10—After-treatment with compounds containing metal
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/20—Physical treatments affecting dyeing, e.g. ultrasonic or electric
- D06P5/2066—Thermic treatments of textile materials
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Coloring (AREA)
Abstract
The invention provides a method for improving the liquid ammonia dyeing fixation rate of a reactive dye, and relates to the technical field of textiles. The method for improving the dyeing fixation rate of the reactive dye liquid ammonia comprises the following specific steps: s1: preparing a dyeing vat, adding a sodium carbonate solution and a sodium chloride solution into the dyeing vat, uniformly stirring, raising the temperature of the dyeing vat, and then putting a material to be dyed into the dyeing vat for soaking for a period of time; s2: adding reactive dye into liquid ammonia, preparing liquid ammonia dye liquor of the reactive dye, and uniformly feeding the liquid ammonia dye liquor into a dyeing tank by using a feeding pump. According to the dyeing and color fixing process, after sodium ions are added, an electrolytic layer is formed on the surface of the fiber by the sodium ions, the negative electricity of the fiber is neutralized temporarily, the repulsion force between the dye and the fiber is greatly reduced, the dyeing and color fixing effect is achieved, the temperature of the fabric is increased by using water vapor, the fiber is swelled, the dye is diffused into the fiber to be fixed with the fiber after acting with chemicals, and the dyeing and color fixing rate is greatly improved by the whole process.
Description
Technical Field
The invention relates to the technical field of textiles, in particular to a method for improving the liquid ammonia dyeing fixation rate of a reactive dye.
Background
The original textile meaning is a general name taken from spinning and weaving, but with the continuous development and perfection of a textile knowledge system and a subject system, particularly after non-woven textile materials and three-dimensional compound weaving and other technologies are produced, the existing textile is not only the traditional hand-made spinning and weaving, but also clothing, industrial and decorative textiles produced by non-woven fabric technology, modern three-dimensional weaving technology, modern electrostatic nano-web technology and the like. Modern spinning therefore refers to a technique for the multi-scale structural processing of fibers or fiber assemblies.
The reaction of the reactive dye with the cellulose fibres, mainly to form covalent bonds, results in very strong bonding of the dye to the cellulose fibres and thus in excellent colour fastness to washing. The reactive dye and the cellulose fiber react under the conditions of reaction temperature and reaction pH value, after the cellulose fiber is dyed in a reactive dye liquid ammonia medium, particularly when the dye is used in a large amount, the color fixing rate of the reactive dye is low because a large amount of reactive dye cannot be well fixed on the cellulose fiber, but if the color fixing treatment is carried out in a liquid ammonia or water medium, the reactive dye adsorbed on the cellulose fiber can be dissolved in the liquid ammonia or the water medium rapidly in a large amount, and therefore, the satisfactory color fixing rate cannot be obtained.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a method for improving the dyeing fixation rate of reactive dye liquid ammonia, and solves the defects in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a method for improving the dyeing fixation rate of reactive dye liquid ammonia comprises the following specific steps:
s1: preparing a dyeing vat, adding a sodium carbonate solution and a sodium chloride solution into the dyeing vat, uniformly stirring, raising the temperature of the dyeing vat, and then putting a material to be dyed into the dyeing vat for soaking for a period of time;
s2: adding reactive dye into liquid ammonia, preparing liquid ammonia dye solution of the reactive dye, and uniformly feeding the liquid ammonia dye solution into a dyeing tank by using a feeding pump;
s3: after pumping the liquid ammonia dye liquor, taking out the material, putting the material into steam equipment for steaming treatment, then taking out the material, putting the material into a dyeing vat for continuous dyeing, and simultaneously adding anhydrous sodium sulphate and trisodium phosphate into the dyeing vat;
s4: after dyeing is finished, reducing the temperature in the dyeing tank to room temperature, then taking out the materials, and washing with deionized water;
s5: then, soaping the materials, and adding a proper amount of soaping agent into soaping equipment at a bath ratio of 1: 50;
s6: and taking out the soaped material, washing with deionized water, and drying.
Preferably, the addition amount of the sodium carbonate solution and the addition amount of the sodium chloride solution in the step 1 are both 3-10g/L, the temperature in the dyeing cylinder is increased to 55-65 ℃, and the soaking time of the material to be dyed in the dyeing cylinder is 5-15 min.
Preferably, the pumping time of the liquid ammonia dye solution in the step 2 is 45-60min, and the pumping speed is the same.
Preferably, the time of the steam treatment in the step 3 is 5-9min, and the temperature of the steam treatment is 100-110 ℃.
Preferably, the addition amount of the anhydrous sodium sulphate in the step 3 is 75-85g/L, and the addition amount of the trisodium phosphate is 25-35 g/L.
Preferably, the soaping agent in the step 5 consists of ethylenediamine-di-o-phenyl sodium acetate, soap flakes and sodium carbonate, the addition amount of the ethylenediamine-di-o-phenyl sodium acetate is 2-4g/L, the addition amount of the soap flakes is 1-3g/L, the addition amount of the sodium carbonate is 1-2g/L, the soaping time is 8-12min, and the soaping temperature is 90-100 ℃.
Preferably, the drying temperature in the step 6 is 35-45 ℃, and the drying time is 30-60 min.
(III) advantageous effects
The invention provides a method for improving the liquid ammonia dyeing fixation rate of a reactive dye. The method has the following beneficial effects:
1. according to the dyeing and color fixing process, after sodium ions are added, an electrolytic layer is formed on the surface of the fiber by the sodium ions, the negative electricity of the fiber is neutralized temporarily, the repulsion force between the dye and the fiber is greatly reduced, the dyeing and color fixing effect is achieved, the temperature of the fabric is increased by using water vapor, the fiber is swelled, the dye is diffused into the fiber to be fixed with the fiber after acting with chemicals, and the dyeing and color fixing rate is greatly improved by the whole process.
2. According to the invention, through a reasonable dyeing process, the quality of the dyed material is obviously improved, the performance is further optimized, the operation process is simple and convenient, and the method is beneficial to large-scale operation of enterprises.
Detailed Description
The following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
the embodiment of the invention provides a method for improving the liquid ammonia dyeing fixation rate of a reactive dye, which comprises the following specific steps:
s1: preparing a dyeing vat, adding a sodium carbonate solution and a sodium chloride solution into the dyeing vat, uniformly stirring, raising the temperature of the dyeing vat, and then putting a material to be dyed into the dyeing vat for soaking for a period of time, wherein the addition amount of the sodium carbonate solution and the sodium chloride solution is 10g/L, the temperature in the dyeing vat is raised to 65 ℃, and the soaking time of the material to be dyed in the dyeing vat is 5 min;
s2: adding reactive dye into liquid ammonia, preparing liquid ammonia dye solution of the reactive dye, and uniformly feeding the liquid ammonia dye solution into a dyeing tank by using a feeding pump, wherein the pumping time of the liquid ammonia dye solution is 60min, and the pumping speed is the same in the pumping process;
s3: after pumping of the liquid ammonia dye liquor is finished, taking out the material, putting the material into a steam device for steaming treatment, then taking out the material, putting the material into a dyeing cylinder for continuous dyeing, and simultaneously adding anhydrous sodium sulphate and trisodium phosphate into the dyeing cylinder, wherein the steam treatment time is 9min, the steam treatment temperature is 100 ℃, the addition amount of the anhydrous sodium sulphate is 85g/L, and the addition amount of the trisodium phosphate is 35 g/L;
s4: after dyeing is finished, reducing the temperature in the dyeing tank to room temperature, then taking out the materials, and washing with deionized water;
s5: then soaping the materials, adding a proper amount of soaping agent into soaping equipment at a bath ratio of 1:50, wherein the soaping agent consists of ethylenediamine-di-o-phenyl sodium acetate, soap chips and sodium carbonate, the addition amount of the ethylenediamine-di-o-phenyl sodium acetate is 4g/L, the addition amount of the soap chips is 3g/L, the addition amount of the sodium carbonate is 2g/L, the soaping time is 12min, and the soaping temperature is 90 ℃;
s6: and taking out the soaped material, washing with deionized water, and drying at 45 ℃ for 30 min.
According to the dyeing and color fixing process, after sodium ions are added, the sodium ions can form an electrolytic layer on the surface of the fiber, the negative electricity of the fiber is neutralized temporarily, the repulsion force between the dye and the fiber is greatly reduced, so that the dyeing and color fixing effect is achieved, the temperature of the fabric is increased by using water vapor, the fiber is swelled, the dye is diffused into the fiber to be fixed with the fiber after acting with chemicals, and the dyeing and color fixing rate is greatly improved by the whole process; through a reasonable dyeing process, the quality of the dyed materials is obviously improved, the performance is further optimized, the operation process is simple and convenient, and the method is beneficial to large-scale operation of enterprises.
Example two:
the embodiment of the invention provides a method for improving the liquid ammonia dyeing fixation rate of a reactive dye, which comprises the following specific steps:
s1: preparing a dyeing vat, adding a sodium carbonate solution and a sodium chloride solution into the dyeing vat, uniformly stirring, raising the temperature of the dyeing vat, and then putting a material to be dyed into the dyeing vat for soaking for a period of time, wherein the addition amounts of the sodium carbonate solution and the sodium chloride solution are both 6g/L, the temperature in the dyeing vat is raised to 60 ℃, and the soaking time of the material to be dyed in the dyeing vat is 10 min;
s2: adding reactive dye into liquid ammonia, preparing liquid ammonia dye solution of the reactive dye, and uniformly feeding the liquid ammonia dye solution into a dyeing tank by using a feeding pump, wherein the pumping time of the liquid ammonia dye solution is 52min, and the pumping speed is the same in the pumping process;
s3: after pumping of the liquid ammonia dye solution is finished, taking out the material, putting the material into a steam device for steaming treatment, then taking out the material, putting the material into a dyeing cylinder for continuous dyeing, and simultaneously adding anhydrous sodium sulphate and trisodium phosphate into the dyeing cylinder, wherein the steam treatment time is 7min, the steam treatment temperature is 105 ℃, the addition amount of the anhydrous sodium sulphate is 80g/L, and the addition amount of the trisodium phosphate is 30 g/L;
s4: after dyeing is finished, reducing the temperature in the dyeing tank to room temperature, then taking out the materials, and washing with deionized water;
s5: then soaping the materials, adding a proper amount of soaping agent into soaping equipment at a bath ratio of 1:50, wherein the soaping agent consists of ethylenediamine-di-o-phenyl sodium acetate, soap chips and sodium carbonate, the addition amount of the ethylenediamine-di-o-phenyl sodium acetate is 3g/L, the addition amount of the soap chips is 2g/L, the addition amount of the sodium carbonate is 1.5g/L, the soaping time is 10min, and the soaping temperature is 95 ℃;
s6: and taking out the soaped material, washing with deionized water, and drying at 40 ℃ for 45 min.
Example three:
the embodiment of the invention provides a method for improving the liquid ammonia dyeing fixation rate of a reactive dye, which comprises the following specific steps:
s1: preparing a dyeing vat, adding a sodium carbonate solution and a sodium chloride solution into the dyeing vat, uniformly stirring, raising the temperature of the dyeing vat, and then putting a material to be dyed into the dyeing vat for soaking for a period of time, wherein the addition amount of the sodium carbonate solution and the sodium chloride solution is 3g/L, the temperature in the dyeing vat is raised to 55 ℃, and the soaking time of the material to be dyed in the dyeing vat is 15 min;
s2: adding reactive dye into liquid ammonia, preparing liquid ammonia dye solution of the reactive dye, and uniformly feeding the liquid ammonia dye solution into a dyeing tank by using a feeding pump, wherein the pumping time of the liquid ammonia dye solution is 45min, and the pumping speed is the same in the pumping process;
s3: after pumping of the liquid ammonia dye solution is finished, taking out the material, putting the material into a steam device for steaming treatment, then taking out the material, putting the material into a dyeing cylinder for continuous dyeing, and simultaneously adding anhydrous sodium sulphate and trisodium phosphate into the dyeing cylinder, wherein the steam treatment time is 5min, the steam treatment temperature is 110 ℃, the addition amount of the anhydrous sodium sulphate is 75g/L, and the addition amount of the trisodium phosphate is 25 g/L;
s4: after dyeing is finished, reducing the temperature in the dyeing tank to room temperature, then taking out the materials, and washing with deionized water;
s5: then soaping the materials, adding a proper amount of soaping agent into soaping equipment at a bath ratio of 1:50, wherein the soaping agent consists of ethylenediamine-di-o-phenyl sodium acetate, soap chips and sodium carbonate, the addition amount of the ethylenediamine-di-o-phenyl sodium acetate is 2g/L, the addition amount of the soap chips is 1g/L, the addition amount of the sodium carbonate is 1g/L, the soaping time is 8min, and the soaping temperature is 100 ℃;
s6: and taking out the soaped material, washing with deionized water, and drying at 35 ℃ for 60 min.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A method for improving the dyeing fixation rate of reactive dye liquid ammonia is characterized in that: the method comprises the following specific steps:
s1: preparing a dyeing vat, adding a sodium carbonate solution and a sodium chloride solution into the dyeing vat, uniformly stirring, raising the temperature of the dyeing vat, and then putting a material to be dyed into the dyeing vat for soaking for a period of time;
s2: adding reactive dye into liquid ammonia, preparing liquid ammonia dye solution of the reactive dye, and uniformly feeding the liquid ammonia dye solution into a dyeing tank by using a feeding pump;
s3: after pumping the liquid ammonia dye liquor, taking out the material, putting the material into steam equipment for steaming treatment, then taking out the material, putting the material into a dyeing vat for continuous dyeing, and simultaneously adding anhydrous sodium sulphate and trisodium phosphate into the dyeing vat;
s4: after dyeing is finished, reducing the temperature in the dyeing tank to room temperature, then taking out the materials, and washing with deionized water;
s5: then, soaping the materials, and adding a proper amount of soaping agent into soaping equipment at a bath ratio of 1: 50;
s6: and taking out the soaped material, washing with deionized water, and drying.
2. The method for improving the liquid ammonia dyeing fixation rate of the reactive dye according to claim 1, which is characterized in that: the addition amount of the sodium carbonate solution and the sodium chloride solution in the step 1 is 3-10g/L, the temperature in the dyeing cylinder is increased to 55-65 ℃, and the soaking time of the material to be dyed in the dyeing cylinder is 5-15 min.
3. The method for improving the liquid ammonia dyeing fixation rate of the reactive dye according to claim 1, which is characterized in that: and (3) the pumping time of the liquid ammonia dye solution in the step (2) is 45-60min, and the pumping speed is the same in the pumping process.
4. The method for improving the liquid ammonia dyeing fixation rate of the reactive dye according to claim 1, which is characterized in that: the time of the steam treatment in the step 3 is 5-9min, and the temperature during the steam treatment is 100-110 ℃.
5. The method for improving the liquid ammonia dyeing fixation rate of the reactive dye according to claim 1, which is characterized in that: in the step 3, the addition amount of the anhydrous sodium sulphate is 75-85g/L, and the addition amount of the trisodium phosphate is 25-35 g/L.
6. The method for improving the liquid ammonia dyeing fixation rate of the reactive dye according to claim 1, which is characterized in that: the soaping agent in the step 5 consists of ethylenediamine-di-o-phenyl sodium acetate, soap flakes and sodium carbonate, wherein the addition amount of the ethylenediamine-di-o-phenyl sodium acetate is 2-4g/L, the addition amount of the soap flakes is 1-3g/L, the addition amount of the sodium carbonate is 1-2g/L, the soaping time is 8-12min, and the soaping temperature is 90-100 ℃.
7. The method for improving the liquid ammonia dyeing fixation rate of the reactive dye according to claim 1, which is characterized in that: the drying temperature in the step 6 is 35-45 ℃, and the drying time is 30-60 min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010252869.0A CN111270536A (en) | 2020-04-02 | 2020-04-02 | Method for improving dyeing fixation rate of reactive dye liquid ammonia |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010252869.0A CN111270536A (en) | 2020-04-02 | 2020-04-02 | Method for improving dyeing fixation rate of reactive dye liquid ammonia |
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| CN103924461A (en) * | 2014-05-08 | 2014-07-16 | 际华三五四三针织服饰有限公司 | Dyeing process for cotton knitted fabric |
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-
2020
- 2020-04-02 CN CN202010252869.0A patent/CN111270536A/en active Pending
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| JPH06128880A (en) * | 1992-10-15 | 1994-05-10 | Nisshinbo Ind Inc | Method for darkly dyeing cellulosic fiber structure treated with liquid ammonia |
| CN103225218A (en) * | 2013-04-10 | 2013-07-31 | 武汉纺织大学 | Cellulose fiber liquid ammonia dyeing method |
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| CN103757946A (en) * | 2013-12-25 | 2014-04-30 | 苏州市邦成电子科技有限公司 | Dyeing process |
| CN103924461A (en) * | 2014-05-08 | 2014-07-16 | 际华三五四三针织服饰有限公司 | Dyeing process for cotton knitted fabric |
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| 刘帆: "液氨染色的固色方法和液氨洗涤性能研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
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