Abstract: The present application discloses a method for rapidly identifying the resistance of wheat to black point disease caused by Bipolaris sorokiniana, where testing takes places in an indoor, controlled environment. The test method includes surface sterilization of wheat seeds, and cultivating wheat seedlings from the sterilized wheat seeds; preparing conidial suspension of Bipolaris sorokiniana, and spraying the conidial suspension on the seedlings at one-leaf-one-shoot stage; recording the percentage of the diseased leaf area in total leaf area of the first leaf of the wheat seedling on the 10th day of inoculation; calculating the black point incidence of the wheat according to an equation, and then evaluating the resistance of wheat to black point disease caused by Bipolaris sorokiniana through the black point incidence.

Abstract: A use of an application mode of Trichoderma harzianum (T. harzianum) in growth and induced resistance of Nicotiana tabacum (N. tabacum) includes the following specific operation steps: S1. experimental materials: preparation of test media and bacterial solutions; S2. experimental treatments: S2.1 control treatment; S2.2 seed soaking treatment; S2.3 root irrigation treatment; and S2.4 foliar inoculation treatment; S3. test determination indexes and methods: S3.1 determination of biological traits; S3.2 determination of physiological and biochemical indexes; and S3.3 determination of disease resistance and induced resistance indexes; and S4. data processing: subjecting data to a difference significance test. Different application modes of T. harzianum all can promote the growth of N. tabacum plants and reduce the occurrence of tobacco black shank (TBS), among which a root irrigation treatment at a transplanting stage leads to an optimal effect.

Abstract: The present disclosure relates to a molecular marker of the IGF2BP1 gene related to a chicken body size trait and the use thereof, and a genetic improvement method. In the present disclosure, it is found by means of gene association analysis that a deletion mutation in a promoter region of the IGF2BP1 gene of chicken is significantly associated with the chicken body size trait.

Abstract: An ultrasonic-assisted heat press machine, includes a frame, a material tank, an extruder, an ultrasonic wave generator, and a heater. The material tank is disposed on the frame and includes a cavity for accommodating an oil-bearing raw material. The extruder is extended in the cavity. The ultrasonic wave generator is disposed on the frame and adjacent to the material tank. The heater is disposed on the frame and adjacent to the material tank. The heater is configured to produce heat to heat the cavity and the ultrasonic wave generator, and regulate the working frequency of the ultrasonic wave generator. When in use, the heater, the extruder, and the ultrasonic wave generator cooperate to separate oil from the oil-bearing raw material in the material tank.

Abstract: A biomass burner includes a hopper, a ventilating chamber, a U-shaped fire box, a feeding cylinder including an output end, an auger, a feeding motor including a driving wheel, an ignition device, an ignition motor, a ventilation plate, a first poking device, a second poking device, a first poking motor configured to drive the first poking device, a second poking motor configured to drive the second poking device, a first fixed plate, and a second fixed plate. The hopper is disposed below the feeding cylinder. The feeding cylinder is disposed through the ventilating chamber and the output end of the feeding cylinder extends into the U-shaped fire box. The auger is disposed in the feeding cylinder and is driven by the feeding motor; one end of the auger is provided with a driven gear, and the driven gear is meshed with the driving wheel of the feeding motor.

Abstract: A new multifunctional biomass suspension deflagration test-bed is provided, which includes a closed combustion chamber. An integrated temperature and pressure sensor is arranged in the combustion chamber, and a high-speed camera and a laser concentration-measuring instrument are arranged outside the combustion chamber, which can monitor suspension deflagration. A bottom of the combustion chamber is provided with a hollow mushroom-shaped dispersion nozzle with a tray. A nozzle body is provided with a gas main-flow channel at a center thereof and gas deflected-flow channels arranged around the gas main-flow channel. A mushroom-shaped baffle plate is arranged above the nozzle body. The gas main-flow channel extends upward to the mushroom-shaped baffle plate. A vent hole is formed in a portion of the mushroom-shaped baffle plate which is corresponding to the gas main-flow channel. Each gas deflected-flow channel is inclined outward from bottom to top and directed to the mushroom-shaped baffle plate.

Abstract: Disclosed are a method for preparing a AgNPs@SASP substrate material and application thereof. The present disclosure uses cyclohexane as an organic phase and ethanol as an inducer, and uses the interfacial tension of an organic/water interface for self-assembly to arrange the nanoparticles in a single layer. The addition of a low-dielectric solvent as an inducer reduces the charge density on the nanoparticles. As a result, the van der Waals force combined with the reduction of the Coulomb repulsion force cause the nanoparticles to reassemble at the organic/water interface to form a new equilibrium, and a SERS platform of AgNPs in a two-dimensional array is prepared. SERS detection and peak attribution analysis of different food-borne pathogen spores are carried out, and qualitative analysis is carried out by a multivariate statistical method to realize the rapid identification of spore-forming bacteria.

Abstract: The disclosure provides a method for biohydrogen production. The method includes: mixing a hydrogen production medium and a buffer solution Na2HPO4/NaH2PO4 having a pH value of 5-9, to yield a first mixture; adding corn stalk powder and cellulase to the first mixture and mixing, to yield a second mixture; adding a suspension of photosynthesis bacteria HAU-M1 at the late exponential phase to the second mixture, to yield a third mixture; and sealing the third mixture and allowing for photo-fermentation biohydrogen production under anaerobic fermentation conditions.

Abstract: The field is related to plant breeding and methods of identifying and selecting plants with resistance to southern corn rust. Provided are methods to identify novel genes that encode proteins providing plant resistance to southern corn rust and uses thereof. These disease resistant genes are useful in the production of resistant plants through breeding, transgenic modification, or genome editing.

Abstract: A new multifunctional biomass suspension deflagration test-bed is provided, which includes a closed combustion chamber. An integrated temperature and pressure sensor is arranged in the combustion chamber, and a high-speed camera and a laser concentration-measuring instrument are arranged outside the combustion chamber, which can monitor suspension deflagration. A bottom of the combustion chamber is provided with a hollow mushroom-shaped dispersion nozzle with a tray. A nozzle body is provided with a gas main-flow channel at a center thereof and gas deflected-flow channels arranged around the gas main-flow channel. A mushroom-shaped baffle plate is arranged above the nozzle body. The gas main-flow channel extends upward to the mushroom-shaped baffle plate. A vent hole is formed in a portion of the mushroom-shaped baffle plate which is corresponding to the gas main-flow channel. Each gas deflected-flow channel is inclined outward from bottom to top and directed to the mushroom-shaped baffle plate.