Method for producing moulded coal by oil-rich coal with low-ash low-sulfur low-phosphor and high-heat productivity

The invention relates to a method for producing environmental protective smokeless moulded coal by oil-rich coal with low-ash low-sulfur low-phosphor and high-heat productivity. Soft coal powder is used as a raw material to produce tar, coal gas and semi coke powder by low-temperature carbonization. The semi coke powder is powdered and added with caking agent and additive to be mixed, extruded to be formed and then dried, and the environmental protective clean smoke less molded coal is produced, wherein, the caking agent is compound caking agent, including organic caking agent, inorganic caking agent; the organic caking agent is polyvinyl alcohol and starch; the polyvinyl alcohol and the starch are made into 5 percent to 10 percent of latex; every ton of moulded coal is added with 1-2kg of the polyvinyl alcohol and 6-15kg of the starch; the inorganic caking agent is bentonite; and every ton of the moulded coal is added with 20-40kg of the bentonite. The production method can relieve the ...

Multi-dimensional space steel structure node

The invention discloses a multi-dimensional space steel structure node which comprises an upper fixing plate, a lower fixing plate and two hinge plates, wherein the upper fixing plate is rotatably connected with the lower fixing plate; the two hinge plates are welded in parallel on the lower fixing plate; and opposite through holes are arranged on the two hinge plates. When a node connection device is used, the upper end surface of the upper fixing plate and the end surface of a vertical steel member are welded together, the two hinge plates clamp the horizontal steel member, and a bolt penetrates into the through holes and passes through the horizontal steel member so that the horizontal steel member can rotate in a vertical surface around the bolt. Therefore, for a complicated space steel structure system, the node connection device is used for fixing two members which have non-uniform connection surfaces and cannot be welded directly so as to realize an intermediate conversion effect ...

Rapid identification method for melon powdery mildew physiological races

The invention discloses a rapid identification method for melon powdery mildew physiological races. The rapid identification method comprises the following steps: performing physiological race identification on to-be-identified powdery mildews by adopting cotyledons of 13 internationally recognized melon powdery mildew physiological race identifying host materials, namely preparing to-be-identified powdery mildews into spore liquor by a 5% glucose solution and 0.05% Tween-20 until the concentration is that 25-30 spores are observed in a field of view of 10*10 microscope; uniformly coating the cotyledons of the 13 identifying host materials with the spore liquor on through a writing brush, putting the cotyledons into a 18cm culture dish containing two layers of filter paper, and wetting the filter paper with sterile water until free water can be seen by naked eyes; sealing the culture dish with a sealing film, culturing for 16 hours at 25 DEG C under illumination (illumination intensity ...

Vertical column type soilless culture method of vegetables

The invention relates to a vertical column type soilless culture method of vegetables, belonging to the technical field of crop culture. The vertical column type soilless culture method of the vegetables comprises the following steps of: mixing fafard turves, perlites and carbendazol into a substrate according to the quality proportion of 100:20:1; covering a non-woven fabric on a seedling-raising plate for heat and moisture preservation, and spreading heating wires below the seedling-raising plate to ensure that the temperature of a seedling bed is kept at 25+/-1 DEG C; planting young seedlings grown to a period with two leaves and one core into an insertion implantation cup; and after the young seedlings are survived, inserting the insertion implantation cup into a planting hole of a vertical column type soilless culture device of the vegetables. A culture solution is specially prepared for the soilless culture of the vegetables and rich in nitrogen elements and can fast increase the ...

Spraying device for fermented pellet feed and working method of spraying device

The invention discloses a spraying device for fermented pellet feed and a working method of the spraying device. The spraying device comprises a supporting mechanism, a roller, a driving mechanism for driving the roller to rotate, a first sealing cover assembly, a second sealing cover assembly and a third sealing cover assembly. Wherein the first sealing cover assembly comprises a first sealing cover and a spraying pipe and is used for spraying bacterial liquid into the roller; the second sealing cover assembly comprises a second sealing cover and a vacuum pipe and is used for extracting air in the roller to form a vacuum environment; the third sealing cover assembly comprises a third sealing cover and a hot air pipe and is used for conveying hot air into the roller for drying after cleaning. Pellet feed in the roller is subjected to bacterial liquid spraying through the spraying pipe, and after spraying is finished, a negative pressure environment can be formed in the roller through the ...

FIFO data storage system containing multiple capture channels and and method thereof

The invention provides a multi collecting channel delay first-in-first-out data memory system and a relative method. The memory system comprises serially connected a multi-channel collector, a first-in-first-out memory controller, a memory unit and a multi-channel buffer. The invention is characterized in composed of a measurer and a collection adjuster serially connected with the multi-channel collector. The invention uses the delay and phase relation between the measurement signals of the measurer and uses the collection adjuster to control the signal delay of each channel. The inventive method tests the signal delay and phase relation of each channel to set the collection delay value of each channel, realize the first-in-first-out data collection and storage of free time delay between multi collecting channels, eliminate the delay and phase difference of signals, and accurately recover the one-to-one projection of signals.

Fusarium oxyxporum f.sp. niveum type strain FON-GFP (Fusarium oxyxporum f.sp. niveum-green fluorescent protein) for expressing GFP as well as preparation method and application of strain

The invention provides a Fusarium oxyxporum f.sp. niveum type strain FON-GFP (Fusarium oxyxporum f.sp. niveum-green fluorescent protein) for expressing GFP as well as a preparation method and application of the strain. A fungal expression vector with GFP is provided and contains a homomycin B resistance gene (i) hph (/i) and a GFP gene (i) gfp (/i), the vector is converted into a Fusarium oxyxporum f.sp. niveum type strain race1 by adopting an agrobacterium-mediated method, a transformant can express the GFP, the converted strain is infected by a grafting rootstock and a root of citrullus lanatus respectively, and the infection condition of Fusarium oxyxporum f.sp. niveum type bacteria in tissues of a plant root and hypocotyls can be accurately analyzed by monitoring fluorescent strains in real time. The Fusarium oxyxporum f.sp. niveum type strain disclosed by the invention has the characteristics of quickly, simply and conveniently indicating the infection way of the Fusarium oxyxporum ...

Vitamin A preparation for feed production and preparation method thereof

The invention discloses a vitamin A preparation for feed production and a preparation method thereof, and belongs to the technical field of vitamin A. The vitamin A preparation is prepared from the following raw materials in parts by mass: adding vitamin A into cyclohexane, adding mesoporous hydroxyapatite and lauryl sodium sulfate, stirring for 2-3 hours, and centrifuging to obtain a composite material; the preparation method comprises the following steps: grinding chitosan quaternary ammonium salt and modified starch, sieving with a 200-mesh sieve, fully mixing, adding a plasticizer and a gelling agent, uniformly mixing again, transferring into deionized water, and stirring for 0.5-1 hour to obtain a film forming solution; the composite material is placed in a coating pan and preheated to 40 DEG C, a film forming solution is sprayed to the surface of the composite material through a spray gun, and drying is carried out. The obtained vitamin A preparation is high in stability and good ...

Crafting method of knife carved colorful card paper ornamental picture

The invention provides a crafting method of a knife carved colorful card paper ornamental picture. The crafting method comprises the following steps: S1, sketching, namely selecting colorful card paper for drafting and completing the sketch according to a need-to-be-presented content; S2, knife carving, namely carving with a paper carving knife to prepare a colorful card paper knife carved sketch according to the completed sketch; S3, pasting, namely selecting a colorful paper card which strongly contrasts with the colorful card paper knife carved sketch as the background, pasting the colorful card paper knife carved sketch on the background card paper with a double-sided adhesive tape to prepare a pasted sketch, wherein the subtle parts of the sketch can be pasted with glue; S4, decoration, namely framing the completed pasted sketch with lace plates for decorating; and S5, framing, namely embedding the decorated sketch in a frame to prepare an integral knife carved colorful card paper ...

Feed lactic acid bacteria preparation preservation carrier as well as preparation method and application thereof

The invention discloses a feed lactic acid bacteria preparation preservation carrier as well as a preparation method and application thereof, and belongs to the technical field of microbial preparations. The feed lactic acid bacteria preparation preservation carrier provided by the invention is prepared from the following components in parts by mass: 40 to 68 parts of whey powder, 20 to 35 parts of fructo-oligosaccharide, 6 to 18 parts of superfine silica powder, 5 to 14 parts of calcium sulfate, 0.5 to 1.2 parts of sodium cyclamate and 0.5 to 3 parts of calcium stearate. The feed lactic acid bacteria preparation preservation carrier provided by the invention can well protect and release lactic acid bacteria, and can be preserved for a long time at normal temperature, the viable count is stable, and the viable count is uniformly dispersed; meanwhile, the palatability of the lactic acid bacteria preparation can be improved, the fermentation peculiar smell is removed, the lactic acid bacteria ...

Primer pair and kit for identification or auxiliary identification of watermelon pulp color and application

The invention belongs to the technical field of molecular marker assisted breeding, and particularly relates to a primer pair and a kit for identification or assisted identification of watermelon pulp color and application. The invention provides a primer pair for identification or auxiliary identification of watermelon pulp color. The primer pair comprises an upstream primer with a nucleotide sequence as shown in SEQ ID No.2 and a downstream primer with a nucleotide sequence as shown in SEQ ID No.3. By adopting the primer pair designed according to the InDel-P0152 molecular marker provided by the invention, the color character of the watermelon pink pulp can be accurately and quickly identified.

Method for labelling ascochyta citrullina by adopting green fluorescent protein (GFP)

The invention relates to a method for labelling ascochyta citrullina by adopting green fluorescent protein (GFP). The method for labelling the ascochyta citrullina by adopting the GFP comprises the following steps: (1) preparing ascochyta citrullina strain conidium liquid; (2) preparing agrobacterium liquid containing GFP gene; (2) preparing agrobacterium liquid containing the GFP gene; (3) carrying out transformation labelling on the GFP gene of a ascochyta citrullina strain; (4) identifying the ascochyta citrullina strain labelled by the GFP; and (5) obtaining the GFP-labelled ascochyta citrullina strain. The method for labelling the ascochyta citrullina by adopting the GFP has the advantages that the ascochyta citrullina strain GSB20 is taken as a transformant, an agrobacterium-medicated genetic transformation method is utilized for labelling an ascochyta citrullina strain GSB20 gene group by adopting the GFP, and the GFP-labelled ascochyta citrullina strain GSB20-GFP is obtained.

Wall type soilless culture method for vegetables

The invention relates to a soilless culture method suitable for a wall surface three-dimensional soilless culture device, also called a wall type soilless culture method for vegetables, and belongs to the technical field of crop culture. A seedling raising substrate is prepared by mixing fafard peat, pearlstone and carbendazim in a mass ratio of 200:50:1; a plug tray is coated with non-woven fabrics for preserving heat and moisture, and electric heat wires are spread under the plug tray to ensure that the temperature of a seedbed is 25+/-1DEG C; when two leaves and one heart appear, seedlingscan be transplanted to transplanting cups formed by cutting PVC tubes at a specific angle; after fix planting for one week, the seedlings survive, and the transplanting cups are inserted to the transplanting holes of the wall surface three-dimensional soilless culture device; and nutrient solution is specially prepared for leafy vegetables, has 80 percent of urinary nitrogen, and can quickly promote ...

FIFO data storage system containing multiple capture channels and method thereof

The invention provides a multi collecting channel delay first-in-first-out data memory system and a relative method. The memory system comprises serially connected a multi-channel collector, a first-in-first-out memory controller, a memory unit and a multi-channel buffer. The invention is characterized in composed of a measurer and a collection adjuster serially connected with the multi-channel collector. The invention uses the delay and phase relation between the measurement signals of the measurer and uses the collection adjuster to control the signal delay of each channel. The inventive method tests the signal delay and phase relation of each channel to set the collection delay value of each channel, realize the first-in-first-out data collection and storage of free time delay between multi collecting channels, eliminate the delay and phase difference of signals, and accurately recover the one-to-one projection of signals.

Multi-dimensional space steel structure node

The invention discloses a multi-dimensional space steel structure node which comprises an upper fixing plate, a lower fixing plate and two hinge plates, wherein the upper fixing plate is rotatably connected with the lower fixing plate; the two hinge plates are welded in parallel on the lower fixing plate; and opposite through holes are arranged on the two hinge plates. When a node connection device is used, the upper end surface of the upper fixing plate and the end surface of a vertical steel member are welded together, the two hinge plates clamp the horizontal steel member, and a bolt penetrates into the through holes and passes through the horizontal steel member so that the horizontal steel member can rotate in a vertical surface around the bolt. Therefore, for a complicated space steel structure system, the node connection device is used for fixing two members which have non-uniform connection surfaces and cannot be welded directly so as to realize an intermediate conversion effect ...

Application of ClRLK1 gene in controlling disease resistance of watermelons

The invention discloses an application of a ClRLK1 gene in controlling the disease resistance of watermelons. The ClRLK1 gene cloned and verified by the invention has a DNA (Deoxyribose Nucleic Acid) sequence as shown in SEQ ID NO. 1 and an amino acid sequence as shown in SEQ ID NO. 2. The invention further discloses application of the ClRLK1 gene to improvement of fungal disease resistance of plants. The fungal diseases are watermelon fusarium wilt or gummy stem blight. According to the invention, seedling stage resistance identification is carried out on an overexpression plant of the ClRLK1, which shows that the ClRLK1 is a positive regulatory factor of watermelon disease-resistant response, and the function and application approach of the gene are confirmed.

Space scanning based alignment signals sampling synchronous control method

Wall type soilless culture method for vegetables

The invention relates to a soilless culture method suitable for a wall surface three-dimensional soilless culture device, also called a wall type soilless culture method for vegetables, and belongs to the technical field of crop culture. A seedling raising substrate is prepared by mixing fafard peat, pearlstone and carbendazim in a mass ratio of 200:50:1; a plug tray is coated with non-woven fabrics for preserving heat and moisture, and electric heat wires are spread under the plug tray to ensure that the temperature of a seedbed is 25+/-1DEG C; when two leaves and one heart appear, seedlings can be transplanted to transplanting cups formed by cutting PVC tubes at a specific angle; after fix planting for one week, the seedlings survive, and the transplanting cups are inserted to the transplanting holes of the wall surface three-dimensional soilless culture device; and nutrient solution is specially prepared for leafy vegetables, has 80 percent of urinary nitrogen, and can quickly promote ...

Genetic transformation method for agrobacterium tumefaciens mediated fusarium oxysporum watermelon specialization strain

The invention provides a genetic transformation method for an agrobacterium tumefaciens mediated fusarium oxysporum watermelon specialization strain. The method comprises the following steps: (1) preparing fusarium oxysporum watermelon specialization strain conidiophore suspension; (2) preparing an agrobacterium tumefaciens solution containing exogenous genes; (3) performing exogenous gene transformation on the fusarium oxysporum watermelon specialization strain; and (4) identifying a transformant of the fusarium oxysporum watermelon specialization strain. The exogenous genes are transferred into the genome of the fusarium oxysporum watermelon specialization strain by utilizing an agrobacterium tumefaciens mediated method, and a fusarium oxysporum watermelon specialization transgenic strain is obtained. The method is simple, rapid, high in repeatability and transformation efficiency, and can be used for the construction of a fusarium oxysporum watermelon specialization strain mutant library ...

Vertical column type soilless culture method of vegetables

The invention relates to a vertical column type soilless culture method of vegetables, belonging to the technical field of crop culture. The vertical column type soilless culture method of the vegetables comprises the following steps of: mixing fafard turves, perlites and carbendazol into a substrate according to the quality proportion of 100:20:1; covering a non-woven fabric on a seedling-raising plate for heat and moisture preservation, and spreading heating wires below the seedling-raising plate to ensure that the temperature of a seedling bed is kept at 25+/-1 DEG C; planting young seedlings grown to a period with two leaves and one core into an insertion implantation cup; and after the young seedlings are survived, inserting the insertion implantation cup into a planting hole of a vertical column type soilless culture device of the vegetables. A culture solution is specially prepared for the soilless culture of the vegetables and rich in nitrogen elements and can fast increase the ...

Method for creating watermelon whole genome mutant library and application

The invention belongs to the technical field of breeding, and particularly relates to a method for creating a watermelon whole genome mutant library and application of the watermelon whole genome mutant library. A genome editing carrier is constructed by designing a watermelon whole genome sgRNA target sequence, a watermelon cotyledonary node is transformed by using an agrobacterium-mediated genetic transformation method to obtain a transformed strain, and a watermelon whole genome mutant library is created. According to the method, high-throughput gene editing can be carried out on the whole genome of the watermelon, a watermelon multi-gene editing mutant library is obtained, and a material is provided for developing watermelon functional gene research.

Blast furnace injection material

The invention relates to a blast furnace injection material which is prepared in steps of preparing candle coal or noncaking coal into a lumpiness of 10-100 mm, carrying out carbonization in a carbonization furnace at 600-700 DEG C for 24 hours, classifying and processing the coal after the carbonization, and selecting powder of which the particle size is less than 5 mm as the blast furnace injection material. The invention lowers the blast furnace ironmaking coke ratio and the cast iron cost; can regulate the thermal system of the furnace, improve the operating state of the blast furnace hearth and ensure the stable and smooth operation of the blast furnace; and reduces the theoretical combustion temperature and creates conditions for realizing high-wind temperature and oxygen-enriched blast of the blast furnace. Compared with the gasification of coke, the gasification of injection coal powder discharges more hydrogen, thereby enhancing the reducibility and the penetration diffusivity ...