13results about How to "Reduce infestation" patented technology

The present invention provides a strain of Bacillus toyonensis that promotes callus of post-harvest potato tubers, which was deposited in the General Microbiological Center of the China Microbiological Culture Collection Administration on May 6, 2024, with a deposit number of CGMCC No. 30494. The Bacillus toyonensis CGMCC No. 30494 strain of the present invention is separated from the callus potato tissue, has the advantages of fast reproduction, easy collection of strains, easy processing of post-harvest tubers, and accelerated generation speed of the tuber callus epidermal sealing layer (i.e., wound periderm, which is mainly composed of a cell layer of polyphenol suberin, polyester suberin and lignin), thereby reducing the weight loss rate of the tuber and the disease index of Fusarium infection.

The blueberry storage and transportation box capable of prolonging the shelf life comprises a box body, the upper side of the box body is of an opening structure, the bottom of the box body is provided with a first groove used for containing a deoxidizing agent and a second groove used for containing a sterilizing agent, and the outer portion of each side wall of the box body is provided with an adhesive strip. According to the blueberry storage and transportation box, a deoxidizing agent is placed in the first groove, a sterilizing agent is placed in the second groove, so that the interior of the box body is deoxidized and sterilized, the packaging film is bonded through the bonding strip, the box body is sealed, the probability that blueberries are infected by external germs is reduced, and the blueberry storage and transportation box is safe and reliable. The shelf life of the blueberries can be effectively prolonged, the shelf life in the cold chain storage and transportation process can be prolonged to 20-30 days, and the shelf life is still 5-7 days after the cold chain is broken.

The application of broccoli genes BoSULTR1;1 and BoSULTR1;2 in improving plant stress resistance belongs to the technical field of plant genetic engineering. In order to solve the technical problem of how to improve the stress resistance of broccoli plants, the application provides the broccoli genes BoSULTR1;1 and BoSULTR1;2, and the application uses an expression vector or a recombinant bacterium overexpressing BoSULTR1;1 and BoSULTR1;2 genes to prepare a transgenic broccoli plant. The stress resistance related detection results prove that the BoSULTR1;1 and BoSULTR1;2 genes have the ability to improve the resistance of the transgenic broccoli plant to cotton bollworm, pathogenic bacteria and drought. The transgenic material obtained by the application has important theoretical significance and practical value for accelerating the breeding process of stress-resistant plants and improving the breeding efficiency.

The utility model discloses a low noise cabinet type centrifugal fan relates to centrifugal fan field, including cabinet body and fan body, wherein fan body is located inside the cabinet body, the bottom of fan body is provided with the energy absorption box in the cabinet body, and the inner wall of cabinet is provided with also sound absorption cotton, wherein the inside elastic sliding of energy absorption box is provided with the placing plate, one side of energy absorption box in the cabinet is provided with the shower nozzle that cooperates with placing plate. The utility model placing plate is buffered to it under the action of elastic component, and the vibration energy generated in its working process is absorbed, at the same time, the sound absorption cotton of cabinet inner wall is cooperated, so that the noise in the cabinet is effectively reduced, the gas is discharged through the shower nozzle, thereby can effectively reduce the dust impurity of outside to invade the inside of fan body, and the service life of fan body itself is improved.

The invention provides 3D special printing equipment which comprises a workbench, a supporting and placing plate, a mounting assembly, a connecting assembly, material scrolls, a printing head and a spray head. According to the 3D special printing equipment provided by the invention, the mounting assembly is arranged, so that the number of the placed material scrolls can be flexibly increased, and a movable assembly slides in the assembly, so that the material scrolls can be more stably placed; the overall length of the mounting assembly is flexibly changed to adapt to increase of scroll supporting pieces, the material scroll is placed in the assembling body and the movable assembling body, infection of water molecules and dust in air to the material scroll is greatly reduced, the material scroll is placed more safely and stably, meanwhile, through splicing and assembling of the scroll supporting pieces, the material scroll supporting pieces can be assembled more stably, and the material scroll supporting pieces can be assembled more stably. The material wire disc can be independently replaced conveniently, quick mounting and dismounting of the mounting assembly are achieved through clamping connection of the clamping connection piece and the mounting plate, the mounting assembly can be operated at will conveniently, and the mounting convenience of the mounting assembly is improved.

The utility model belongs to the field of medical instruments, particularly relates to ophthalmology diopter examination equipment, and aims at solving the problems that a portal frame and an optometry unit on an existing bed body are both located on the bed body, when a patient lies down or gets up, the portal frame and the optometry unit are prone to hindering the patient, examination and treatment of the patient are affected, the optometry unit is precise, and when the patient moves on the bed body, the patient may touch the optometry unit mistakenly, and therefore the patient cannot move on the bed body. In order to solve the problems that in the prior art, when a patient lies down or gets up, the patient is damaged, and then the service life of the optometry unit is shortened, the following scheme is provided that the optometry unit comprises a bed body, two connecting plates, a U-shaped frame, an electric telescopic rod, a mounting plate and the optometry unit, supporting columns are fixedly connected to the four corners of the bottom of the bed body, and the bottoms of the four supporting columns are fixedly connected with the same bottom plate; the optometry unit is stored, so that obstruction to examination and treatment of a patient is prevented, the optometry unit is conveniently protected, the patient is prevented from touching the optometry unit by mistake, meanwhile, the optometry unit can be protected, infection of dust and impurities is reduced, and the service life of the optometry unit is prolonged.

The invention discloses a leaf rolling regulation gene and a screening method of medium-resistance rice blast high-yield rice. The related gene provided by the invention is a leaflet regulatory gene RL9, and the leaflet regulatory gene RL9 has at least one of substitution, deletion and addition of one or more nucleotides. According to the rice with the rolled leaf regulation gene RL9, water is not prone to accumulating on rice leaves, infection of rice blast germs can be reduced, and leaf blast resistance and neck blast resistance can be improved. Rice single plants with leaves and spike necks not prone to water accumulation are further screened in combination with field characters, and high-yield rice with medium rice blast resistance is obtained.

The present invention relates to the biological field, and in particular to the application of tomato creeping mold fungal virus coat protein SlAV1-CP in improving plant defense capabilities. The tomato creeping mold fungal virus coat protein SlAV1-CP, the encoding gene SlAV1-CP or the biological material containing the encoding gene SlAV1-CP provided by the present invention can activate plant immune response, increase the expression amount of defense-related genes in plants, thereby inducing plants to produce disease resistance, reduce the infection of pathogens, and provide a new way to improve plant resistance. At the same time, it also provides new materials for the research and development of new plant immune inducers (plant immune activators). Moreover, the protein has been verified in a variety of plants, and all have the effect of improving plant disease resistance, so it can be applied to the prevention and treatment of a variety of plant diseases.

The utility model discloses a touch screen conference table all-in-one machine with an adjustable screen angle, which relates to the field of conference table all-in-one machines and comprises a table body and a fixing plate, a driving component is arranged at the bottom of the fixing plate, a threaded rod is connected to the output end of the driving component, and a lifting plate matched with the threaded rod is slidably arranged on the inner wall of the fixing plate. A display screen body is arranged on the lifting plate in a sliding mode, a lifting groove for the lifting plate to slide is formed in the table body, and a cleaning assembly matched with the threaded rod is rotationally arranged in the lifting groove. The display screen slides to the top of the table body under the action of the lifting plate, the display screen is reset after follow-up use is completed, the occupied area of the display screen body is greatly reduced in the process, the display screen body lifted to the top of the table body is obliquely arranged under the cooperation of the special-shaped sliding grooves and the guide columns, and the display screen body is prevented from being damaged. And meanwhile, the cleaning assembly rotates quickly, so that dust on the display screen body is cleaned.

The utility model provides an automatic picking and shaking machine for facility substrate blueberries, which comprises a material receiving mechanism and a vibrating mechanism, and the material receiving mechanism comprises two material receiving hoppers which are oppositely arranged left and right; the vibration mechanism comprises a supporting rod, a vibration power assembly and a first fork piece, the supporting rod is vertically installed on one of the material receiving hoppers, the vibration power assembly is fixed to the upper portion of the supporting rod, the first fork piece comprises at least eight first fork needles arranged side by side, the first fork needles are arranged in the left-right direction, and the first fork needles are arranged in the left-right direction. The same ends of all the first fork needles are fixedly connected, the other ends of the first fork needles are suspended, the output end of the vibration power assembly is fixedly connected with one ends of the first fork needles, and the vibration power assembly drives the first fork pieces to conduct reciprocating linear vibration. By means of a reciprocating vibration mode, mature blueberry fruits can be picked, petals after fruit setting can be shaken off, harm of gray mold is reduced, and blueberry branches and trunks cannot be damaged.

The invention provides a nano seed treatment suspending agent as well as a preparation method and application thereof, and belongs to the technical field of crop pest control. The nano seed treatment suspending agent is prepared from the following raw materials in parts by weight: 0.1-10 parts of metalaxyl-M, 0.1-10 parts of fludioxonil, 0.1-30 parts of thiabendazole, 1-15 parts of a dispersing agent, 2-5 parts of a wetting agent, 3-12 parts of a film-forming agent, 6-14 parts of a warning agent, 5-7 parts of an anti-freezing agent, 3-5 parts of a thickening agent, 0.2-0.8 part of a de-foaming agent and the balance of water, totaling 100 parts. According to the nano seed treatment suspending agent, the seed treatment suspending agent with the particle size distribution of 200-500 nm is obtained through the wetting agent, the dispersing agent, the thickening agent and other raw materials, the smaller particle size enables active drugs to permeate seed epidermis to enter seeds, infection of pathogenic bacteria is reduced, and through compounding of metalaxyl-M, fludioxonil and thiabendazole, the seed treatment effect is improved. The control effect on crop diseases is improved, plant growth is promoted, and the total dosage is reduced.

The utility model provides a sealing butt joint structure for a sterile isolator, which belongs to the technical field of sterile isolation and comprises an isolation box, a first channel is arranged on one side of the isolation box, a second channel is arranged on the other side of the isolation box, a plurality of first fixing grooves are arranged on the outer surface of the front end of the first channel, and pressing devices are arranged at the tops of the first fixing grooves. Main clamping pins are fixedly arranged on the two sides of the pressing device, a plurality of second fixing groove blocks are arranged on the outer surface of the front end of the second channel, main clamping grooves are formed in the two sides of the second fixing groove blocks, auxiliary bayonets are formed in the side faces of the main clamping grooves in a penetrating mode, auxiliary clamping pins are arranged on the side faces of the auxiliary bayonets, and auxiliary bayonets are formed in the side faces of the bottoms of the main clamping pins in a penetrating mode. The clamping rings and the clamping rings are matched in a clamping mode to complete primary butt joint fixing, the main clamping pins and the main clamping grooves are clamped through the pressing devices to complete secondary butt joint fixing, the auxiliary clamping pins and the auxiliary clamping grooves are clamped and fixed through the connecting belts, and then third butt joint fixing is completed.

The utility model belongs to the technical field of crude protein treatment, and particularly relates to a packaging tin capable of prolonging the preservation time of crude protein, which comprises a packaging tin body and a refrigeration component arranged on the outer side of the end part of the packaging tin body, the refrigeration assembly comprises an upper shell, a first rotating rod and a second rotating rod, the upper shell is fixedly connected to the outer side of the end of the packaging tin body, and the first rotating rod and the second rotating rod are rotationally connected into the upper shell; the contents of oxygen and carbon dioxide in the packaging tin body are adjusted through the sealing cover made of silicon rubber by means of the air permeability of the sealing cover, pathogenic microorganism infection and storage loss are reduced, the purpose of prolonging the storage period is achieved, meanwhile, the effect of keeping protein powder away from light can be achieved due to the dark color, and the service life is prolonged. And moreover, quick opening and closing can be realized by shifting the rotary shifting rod, so that the use experience of a user is improved while the requirement of taking for multiple times is met.