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The invention discloses a biological preparation capable of disinfecting and retaining freshness of mulberry leaves, which belongs to the technical field of biological preparations and comprises the following components: food-grade chlorine dioxide, sericin, creeping oxalis extract and fructo-oligosaccharide. The invention further discloses a preparation method of the biological agent with the disinfection and fresh-keeping functions on the mulberry leaves. The food-grade chlorine dioxide has the effects of disinfecting and inhibiting various bacteria, the sericin protein has oxidation resistance, a hydration film can be formed on the surfaces of mulberry leaves after spraying, the moisturizing effect is achieved, the effect of inhibiting diseases and insect pests is achieved, the fresh-keeping effect is achieved, the creeping oxalis extract has the fresh-keeping effect, and the fresh-keeping effect is good. The fructo-oligosaccharide has the effect of improving the nutrition of the mulberry leaves, and the four components are combined, so that not only can the mulberry leaves be sterilized, but also the mulberry leaves can be preserved, the taste and nutrition of the mulberry leaves are improved, the food intake of silkworms is increased, and the disease resistance of the silkworms is improved while the growth speed of the silkworms is increased.

The application discloses a single-chip vapor deposition device and system, which comprises a base, an at least partially liftable baffle arranged around the base and surrounding a process chamber during a film forming process, a process gas inlet mechanism arranged on one side of the process chamber for supplying process gas, an exhaust port arranged in the process chamber, the exhaust port and the process gas inlet mechanism being arranged on opposite sides of the single-chip vapor deposition device, a wafer transfer port arranged on a side of the single-chip vapor deposition device different from the side where the process gas inlet mechanism and the exhaust port are arranged, and the baffle being provided with a first opening only on a side close to the process gas inlet mechanism, process gas flowing into the process chamber through the first opening, flowing horizontally on the surface of a substrate and epitaxially forming a film, and at least part of process gas not participating in a reaction and reaction byproducts being discharged from the exhaust port. The application can reduce the long velocity difference of process gas at the front and back of a substrate, so as to improve the crystal quality and film thickness uniformity of an epitaxial layer.

The invention discloses a new dictyophora dictyophora strain and a domestication and cultivation method thereof, and relates to dictyophora dictyophora planting, and the new dictyophora dictyophora strain is a dictyophora dictyophora ZJZS007 strain, and is classified and named as Phallus cremeo-ochraceus; and the preservation number of the strain is CCTCC M 20242246. The dictyophora indusiata ZJZS007 strain is suitable for artificial cultivation, and large-scale production of the dictyophora indusiata of the variety can be realized.