CN110256024A - A kind of efficiency slow release type eco-concrete and preparation method thereof - Google Patents
A kind of efficiency slow release type eco-concrete and preparation method thereof Download PDFInfo
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- CN110256024A CN110256024A CN201910355013.3A CN201910355013A CN110256024A CN 110256024 A CN110256024 A CN 110256024A CN 201910355013 A CN201910355013 A CN 201910355013A CN 110256024 A CN110256024 A CN 110256024A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/06—Quartz; Sand
- C04B14/062—Microsilica, e.g. colloïdal silica
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
- C04B18/021—Agglomerated materials, e.g. artificial aggregates agglomerated by a mineral binder, e.g. cement
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
- C04B28/065—Calcium aluminosulfate cements, e.g. cements hydrating into ettringite
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00008—Obtaining or using nanotechnology related materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00758—Uses not provided for elsewhere in C04B2111/00 for agri-, sylvi- or piscicultural or cattle-breeding applications
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The present invention provides a kind of efficiency slow release type eco-concretes and preparation method thereof, it is made of the raw material of following parts by weight: 160 ~ 190 parts of sulphate aluminium cement, 1100 ~ 1300 parts of efficiency slow release type coarse aggregate, 10 ~ 20 parts of silicon ash, 0.2 ~ 0.4 part of Core-shell Structure Nanoparticles, 17 ~ 20 parts of high-efficiency water-reducing agent of poly-carboxylic acid, 0.3 ~ 0.5 part of boric acid, 0.15 ~ 0.25 part of hydroxypropyl methyl cellulose ether, 40 ~ 50 parts of mixing water.Above-mentioned efficiency slow release type coarse aggregate is made of the raw material of following parts by weight: 200 ~ 280 parts of sulphate aluminium cement, 100 ~ 150 parts of film-coated and slow release fertilizer, 10 ~ 20 parts of bentonite, 1600 ~ 1800 parts of Machine-made Sand, 70 ~ 100 parts of agstone, 100 ~ 160 parts of flyash, 200 ~ 250 parts of mixing water.The fertilizer efficiency release time of efficiency slow release type eco-concrete provided by the invention can achieve 7 ~ 9 months, can satisfy the growth needs that root system of plant reaches earth's surface across concrete substrate, and preparation method is simple.
Description
Technical field
The invention belongs to the field of building materials, in particular to a kind of efficiency slow release type eco-concrete and preparation method thereof.
Background technique
Eco-concrete is a kind of with continuous macroporous structure, and plant can be made to grow in its hole, and root system can
To be deep into the special functional ecological architectural material in soil horizon by concrete layer, it is mainly used in infrastructure construction
Slope protection project, such as express highway roadbed slope protection project, roadside deserted mountain abrupt slope protection works, the protection of river bunding
Engineering and tunnel face protection works etc..Eco-concrete bulkhead tech is that eco-concrete is laid in slope surface, then in coagulation
Planting plants in native gap, root system of plant pass through concrete substrate and reach slope surface, and the stability of slope surface not only can be enhanced in this way, but also
The natural environment of slope surface can be improved.Compared with traditional bulkhead tech, eco-concrete bulkhead tech has significant Ecological Effect
It should be with Landscape benefit, self purification, economic benefit and Benefit of Flood Preventation.
The porous structure of existing eco-concrete can provide space for plant growth, but cannot mention for plant growth
For enough nutrients, therefore, before root system of plant reaches earth's surface across concrete substrate, in order to guarantee the growth of plant, need
Artificially applying fertilizer is constantly carried out, the maintenance cost of eco-concrete is substantially increased, seriously constrains eco-concrete
It promotes and applies.
Summary of the invention
It is an object of the present invention to overcome the deficiencies of the prior art and provide a kind of efficiency slow release type eco-concrete and its
Preparation method, the fertilizer efficiency release time of efficiency slow release type eco-concrete can achieve 7 ~ 9 months, can satisfy root system of plant and wear
The growth needs that concrete substrate reaches earth's surface are crossed, and preparation method is simple and easy.
In order to solve the above technical problems, technical solution of the present invention are as follows: a kind of efficiency slow release type eco-concrete is provided, it is special
Sign is that it is made of the raw material of following parts by weight:
160 ~ 190 parts of sulphate aluminium cement, 1100 ~ 1300 parts of efficiency slow release type coarse aggregate, 10 ~ 20 parts of silicon ash, core-shell structure
0.2 ~ 0.4 part of nano particle, 17 ~ 20 parts of high-efficiency water-reducing agent of poly-carboxylic acid, 0.3 ~ 0.5 part of boric acid, hydroxypropyl methyl cellulose ether
0.15 ~ 0.25 part, 40 ~ 50 parts of mixing water.
Further, the efficiency slow release type coarse aggregate, which is characterized in that it is the raw material group by following parts by weight
At:
200 ~ 280 parts of sulphate aluminium cement, 100 ~ 150 parts of film-coated and slow release fertilizer, 10 ~ 20 parts of bentonite, Machine-made Sand 1600 ~
1800 parts, 70 ~ 100 parts of agstone, 100 ~ 160 parts of flyash, 200 ~ 250 parts of mixing water.
Further, the efficiency slow release type coarse aggregate the preparation method comprises the following steps: film-coated and slow release fertilizer and Machine-made Sand are added
Concrete mixer, which stirs 1 minute, must mix aggregate C, and sulphate aluminium cement, bentonite, stone are added into the mixing aggregate C
Limestone flour and flyash stir 45 seconds to obtain mixture D, and mixing water is added in Xiang Suoshu mixture D and stirs 2 minutes to obtain mixture E,
Said mixture E is placed in nodulizer to the ball F for being processed into that diameter is 16 ~ 19 mm, above-mentioned ball F is placed in 60 DEG C of steam
Efficiency slow release type coarse aggregate is conserved 2 hours to obtain in fog room.
Further, the Core-shell Structure Nanoparticles, which is characterized in that it is using nano silica as core, receives
Rice cuprous oxide is the nano particle of shell, and nano cuprous oxide is 50 ~ 70% to the encapsulation ratio of nano silica.
The main mine of sulphate aluminium cement is mutually anhydrous calcium sulphoaluminate, and anhydrous calcium sulphoaluminate, which can directly be reacted with water, generates calcium
Aluminite and aluminium glue, therefore sulphate aluminium cement has that hydration and hardening is fast, the high outstanding advantages low with basicity of early strength.Use powder
Contain a large amount of amorphous silicon di-oxides in coal ash, silica is that chemical reaction life can occur with alkaline matter for acidic oxide
At gel, system basicity can be not only reduced, is conducive to plant growth, aggregate intensity can also be improved.With sulphate aluminium cement, swollen
Profit soil, agstone and flyash are cementitious material, and film-coated and slow release fertilizer and Machine-made Sand are that aggregate prepares efficiency slow release type coarse aggregate,
Cementitious material is included in film-coated and slow release fertilizer surface, and the fertilizer efficiency release time of slow-release fertilizer can be improved.It is with sulphate aluminium cement again
Cementitious material wraps up efficiency slow release type coarse aggregate and prepares efficiency slow release type concrete, and the fertilizer efficiency that can be further improved slow-release fertilizer is released
Put the time.Nano silica is acid acidic oxide, and particle size is smaller, and specific surface area is larger, can be rapidly same
Alkaline matter occurs chemical reaction and generates gel, carries out portion envelops to nano-silica surface using nano cuprous oxide,
Form core-shell structure, after nano silica is reacted with alkali, Core-shell Structure Nanoparticles only it is surplus constituted with nano cupric oxide it is non-
Compact outer shell, the shell provide channel for the migration of nutrient in aggregate.
Further, the film-coated and slow release fertilizer, which is characterized in that it is thermohardening resin coated slow-release fertilizer, thermoplastic
Property film-coated and slow release fertilizer and charcoal film-coated and slow release fertilizer one or more of them combination, but its fertilizer efficiency is required to be not less than deenergized period
4 months.
In order to solve the above technical problems, the present invention provides another technical solution: it is mixed to provide a kind of efficiency slow release type ecology
Coagulate the preparation method of soil, which is characterized in that it is sequentially included the following steps:
Concrete mixer is added in efficiency slow release type coarse aggregate, high-efficiency water-reducing agent of poly-carboxylic acid, boric acid and mixing water to stir 2 minutes
Mixture A is obtained, hydroxypropyl methyl cellulose ether is added in Xiang Suoshu mixture A and stirs 1 minute to obtain mixture B, to the mixing
Sulphate aluminium cement is added in object B and stirs 3 minutes to obtain efficiency slow release type eco-concrete.
The beneficial effects of the present invention are: the fertilizer efficiency release time of efficiency slow release type eco-concrete can achieve 7 ~ 9
Month, it can satisfy the growth needs that root system of plant reaches earth's surface across concrete substrate, it is a large amount of to save without artificial secondary fertilising
Manpower and cost, and preparation method is simple and easy.
Specific embodiment
Further detailed description is done to the present invention combined with specific embodiments below.
Embodiment 1
The present embodiment provides a kind of efficiency slow release type eco-concretes, it is made of the raw material of following parts by weight:
160 parts of sulphate aluminium cement, 1100 parts of efficiency slow release type coarse aggregate, 20 parts of silicon ash, 0.2 part of Core-shell Structure Nanoparticles,
17 parts of high-efficiency water-reducing agent of poly-carboxylic acid, 0.3 part of boric acid, 0.15 part of hydroxypropyl methyl cellulose ether, 40 parts of mixing water.
Above-mentioned efficiency slow release type coarse aggregate, it is made of the raw material of following parts by weight:
280 parts of sulphate aluminium cement, 150 parts of film-coated and slow release fertilizer, 10 parts of bentonite, 1600 parts of Machine-made Sand, 70 parts of agstone, powder
100 parts of coal ash, 250 parts of mixing water.
Above-mentioned Core-shell Structure Nanoparticles are the nano particles using nano silica as core, nano cuprous oxide for shell,
Nano cuprous oxide is 50% to the encapsulation ratio of nano silica.
Above-mentioned film-coated and slow release fertilizer is thermohardening resin coated slow-release fertilizer, thermoplastic membrane wrapping slow-release fertilizer and charcoal coated slow-release
The mixture that fertilizer is formed according to the weight ratio of 1:1:1, fertilizer efficiency deenergized period are 5 months.
Efficiency slow release type eco-concrete provided in this embodiment the preparation method is as follows:
Concrete mixer stirring, which is added, in film-coated and slow release fertilizer and Machine-made Sand must mix aggregate C in 1 minute, to the mixing aggregate C
Middle addition sulphate aluminium cement, bentonite, agstone and flyash stir 45 seconds to obtain mixture D, add in Xiang Suoshu mixture D
Enter mixing water and stir 2 minutes to obtain mixture E, said mixture E is placed in nodulizer to the circle for being processed into that diameter is 16 ~ 19 mm
Above-mentioned ball F is placed in 60 DEG C of steam-curing chambers and conserves 2 hours to obtain efficiency slow release type coarse aggregate by ball F.
Concrete mixer stirring 2 is added in efficiency slow release type coarse aggregate, high-efficiency water-reducing agent of poly-carboxylic acid, boric acid and mixing water
Minute obtains mixture A, and hydroxypropyl methyl cellulose ether is added in Xiang Suoshu mixture A and stirs 1 minute to obtain mixture B, Xiang Suoshu
Sulphate aluminium cement is added in mixture B and stirs 3 minutes to obtain efficiency slow release type eco-concrete.
Efficiency slow release type eco-concrete fertilizer efficiency release time provided in this embodiment can achieve 9 months after tested.
Embodiment 2
The present embodiment provides a kind of efficiency slow release type eco-concretes, it is made of the raw material of following parts by weight:
190 parts of sulphate aluminium cement, 1300 parts of efficiency slow release type coarse aggregate, 10 parts of silicon ash, 0.4 part of Core-shell Structure Nanoparticles,
20 parts of high-efficiency water-reducing agent of poly-carboxylic acid, 0.5 part of boric acid, 0.25 part of hydroxypropyl methyl cellulose ether, 50 parts of mixing water.
Above-mentioned efficiency slow release type coarse aggregate, it is made of the raw material of following parts by weight:
200 parts of sulphate aluminium cement, 100 parts of film-coated and slow release fertilizer, 20 parts of bentonite, 1600 parts of Machine-made Sand, 100 parts of agstone,
160 parts of flyash, 200 parts of mixing water.
Above-mentioned Core-shell Structure Nanoparticles are the nano particles using nano silica as core, nano cuprous oxide for shell,
Nano cuprous oxide is 70% to the encapsulation ratio of nano silica.
Above-mentioned film-coated and slow release fertilizer is thermohardening resin coated slow-release fertilizer, and fertilizer efficiency deenergized period is 4 months.
Efficiency slow release type eco-concrete provided in this embodiment the preparation method is as follows:
Concrete mixer stirring, which is added, in film-coated and slow release fertilizer and Machine-made Sand must mix aggregate C in 1 minute, to the mixing aggregate C
Middle addition sulphate aluminium cement, bentonite, agstone and flyash stir 45 seconds to obtain mixture D, add in Xiang Suoshu mixture D
Enter mixing water and stir 2 minutes to obtain mixture E, said mixture E is placed in nodulizer to the circle for being processed into that diameter is 16 ~ 19 mm
Above-mentioned ball F is placed in 60 DEG C of steam-curing chambers and conserves 2 hours to obtain efficiency slow release type coarse aggregate by ball F.
Concrete mixer stirring 2 is added in efficiency slow release type coarse aggregate, high-efficiency water-reducing agent of poly-carboxylic acid, boric acid and mixing water
Minute obtains mixture A, and hydroxypropyl methyl cellulose ether is added in Xiang Suoshu mixture A and stirs 1 minute to obtain mixture B, Xiang Suoshu
Sulphate aluminium cement is added in mixture B and stirs 3 minutes to obtain efficiency slow release type eco-concrete.
Efficiency slow release type eco-concrete fertilizer efficiency release time provided in this embodiment can achieve 7 months after tested.
Embodiment 3
The present embodiment provides a kind of efficiency slow release type eco-concretes, it is made of the raw material of following parts by weight:
175 parts of sulphate aluminium cement, 1200 parts of efficiency slow release type coarse aggregate, 15 parts of silicon ash, 0.3 part of Core-shell Structure Nanoparticles,
18 parts of high-efficiency water-reducing agent of poly-carboxylic acid, 0.4 part of boric acid, 0.2 part of hydroxypropyl methyl cellulose ether, 45 parts of mixing water.
Above-mentioned efficiency slow release type coarse aggregate, is made of the raw material of following parts by weight:
240 parts of sulphate aluminium cement, 120 parts of film-coated and slow release fertilizer, 15 parts of bentonite, 1700 parts of Machine-made Sand, 80 parts of agstone, powder
120 parts of coal ash, 220 parts of mixing water.
Above-mentioned Core-shell Structure Nanoparticles are the nano particles using nano silica as core, nano cuprous oxide for shell,
Nano cuprous oxide is 60% to the encapsulation ratio of nano silica.
Above-mentioned film-coated and slow release fertilizer is that thermoplastic membrane wrapping slow-release fertilizer and charcoal film-coated and slow release fertilizer are formed according to the weight ratio of 1:1
Mixture, fertilizer efficiency deenergized period be 4.5 months.
A kind of efficiency slow release type eco-concrete provided in this embodiment the preparation method is as follows:
Concrete mixer stirring, which is added, in film-coated and slow release fertilizer and Machine-made Sand must mix aggregate C in 1 minute, to the mixing aggregate C
Middle addition sulphate aluminium cement, bentonite, agstone and flyash stir 45 seconds to obtain mixture D, add in Xiang Suoshu mixture D
Enter mixing water and stir 2 minutes to obtain mixture E, said mixture E is placed in nodulizer to the circle for being processed into that diameter is 16 ~ 19 mm
Above-mentioned ball F is placed in 60 DEG C of steam-curing chambers and conserves 2 hours to obtain efficiency slow release type coarse aggregate by ball F.
Concrete mixer stirring 2 is added in efficiency slow release type coarse aggregate, high-efficiency water-reducing agent of poly-carboxylic acid, boric acid and mixing water
Minute obtains mixture A, and hydroxypropyl methyl cellulose ether is added in Xiang Suoshu mixture A and stirs 1 minute to obtain mixture B, Xiang Suoshu
Sulphate aluminium cement is added in mixture B and stirs 3 minutes to obtain efficiency slow release type eco-concrete.
Efficiency slow release type eco-concrete fertilizer efficiency release time provided in this embodiment can achieve 8 months after tested.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for those skilled in the art
For member, various changes and changes are possible in this application.Within the spirit and principles of this application, it is made it is any modification,
Equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (2)
1. a kind of efficiency slow release type eco-concrete, which is characterized in that it is made of the raw material of following parts by weight: aluminium sulfate
160 ~ 190 parts of cement, 1100 ~ 1300 parts of efficiency slow release type coarse aggregate, 10 ~ 20 parts of silicon ash, Core-shell Structure Nanoparticles 0.2 ~ 0.4
Part, 17 ~ 20 parts of high-efficiency water-reducing agent of poly-carboxylic acid, 0.3 ~ 0.5 part of boric acid, 0.15 ~ 0.25 part of hydroxypropyl methyl cellulose ether, mixing water
40 ~ 50 parts；
The efficiency slow release type coarse aggregate is made of the raw material of following parts by weight: 200 ~ 280 parts of sulphate aluminium cement, coating
100 ~ 150 parts of slow-release fertilizer, 10 ~ 20 parts of bentonite, 1600 ~ 1800 parts of Machine-made Sand, 70 ~ 100 parts of agstone, flyash 100 ~
160 parts, 200 ~ 250 parts of mixing water；The preparation of efficiency slow release type coarse aggregate is sequentially included the following steps: film-coated and slow release fertilizer and mechanism
Concrete mixer stirring, which is added, in sand must mix aggregate C in 1 minute, and sulphate aluminium cement, swelling are added into the mixing aggregate C
Soil, agstone and flyash stir 45 seconds to obtain mixture D, and mixing water is added in Xiang Suoshu mixture D and stirs 2 minutes and must mix
Said mixture E is placed in nodulizer the ball F for being processed into that diameter is 16 ~ 19 mm, above-mentioned ball F is placed in 60 DEG C by object E
Efficiency slow release type coarse aggregate is conserved 2 hours to obtain in steam-curing chamber；
The Core-shell Structure Nanoparticles are the nano particles using nano silica as core, nano cuprous oxide for shell, are received
Rice cuprous oxide is 50 ~ 70% to the encapsulation ratio of nano silica；
The film-coated and slow release fertilizer is thermohardening resin coated slow-release fertilizer, thermoplastic membrane wrapping slow-release fertilizer and charcoal film-coated and slow release fertilizer
One or more of them combination, but require its fertilizer efficiency deenergized period not less than 4 months.
2. it is raw to be used to prepare efficiency slow release type described in claim 1 for a kind of preparation method of efficiency slow release type eco-concrete
State concrete, which is characterized in that it is sequentially included the following steps:
Concrete mixer is added in efficiency slow release type coarse aggregate, high-efficiency water-reducing agent of poly-carboxylic acid, boric acid and mixing water to stir 2 minutes
Mixture A is obtained, hydroxypropyl methyl cellulose ether is added in Xiang Suoshu mixture A and stirs 1 minute to obtain mixture B, to the mixing
Sulphate aluminium cement is added in object B and stirs 3 minutes to obtain efficiency slow release type eco-concrete.
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| CN111410450A (en) * | 2020-04-29 | 2020-07-14 | 江苏普利匡环保材料科技有限公司 | Alkali reducing agent for ecological slope protection concrete |
| CN114456004A (en) * | 2022-02-21 | 2022-05-10 | 华电电力科学研究院有限公司 | Mineral slow release fertilizer and preparation method thereof |
| CN114478125A (en) * | 2022-02-28 | 2022-05-13 | 王福州 | Slow release fertilizer prepared from industrial solid waste and preparation method thereof |
| CN114538845A (en) * | 2022-02-21 | 2022-05-27 | 三峡大学 | Ecological concrete containing nutritional base material particles and preparation method thereof |
| CN114568253A (en) * | 2022-01-21 | 2022-06-03 | 瑞派尔(宜昌)科技集团股份有限公司 | Anti-impact ecological planting particle |
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| CN114478125A (en) * | 2022-02-28 | 2022-05-13 | 王福州 | Slow release fertilizer prepared from industrial solid waste and preparation method thereof |
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Application publication date: 20190920 |