Abstract: Application of glutamate dehydrogenase GdhA of Peptostreptococcus asaccharolyticus in increasing the yield of poly-?-glutamic acid from Bacillus licheniformis. The glutamate dehydrogenase GdhA of the Bacillus licheniformis WX-02 per se is replaced with the glutamate dehydrogenase derived from the Peptostreptococcus asaccharolyticus by means of homologous recombination, which significantly increases the level of synthesizing the poly-?-glutamic acid for the Bacillus licheniformis, and the yield of the obtained poly-?-glutamic acid from strains is increased at least by more than 20% compared with control strains.

Abstract: The present disclosure discloses a method for preparing a hierarchical porous material for a molecular sieve with an MFI structure. In the present disclosure, porous silicon dioxide is used as a carrier on a surface of which a nano zeolite seed is loaded, and then subjected to treatment with a secondary growth compound fluid and hydrothermal crystallization, so that a nano zeolite molecular sieve membrane is further grown on the surface of the porous silicon dioxide. The specific surface area and pore volume of the hierarchical porous material for the molecular sieve with the MFI structure prepared by the present disclosure are greatly improved compared with those of the original porous silicon dioxide. The material not only has the macroporous structure of the porous silicon dioxide, but also incorporates micropores of the molecular sieve itself and mesopores formed by molecular sieve agglomeration.

Abstract: The present disclosure provides a metamaterial absorber integrated long-wave infrared focal plane array (LWIRFPA), including: a resonator layer, a dielectric layer, and a metal layer. The resonator layer is of a sub-wavelength periodic resonator array structure, generates surface plasmon resonance (SPR), and is made of a metal or metalloid material. The SPR refers to propagating surface plasmon resonance (PSPR) or localized surface plasmon resonance (LSPR). By using corresponding shape and structural size of a resonator, the present disclosure achieves broadband absorption, narrow-band absorption, multi-wavelength absorption, polarization-selective absorption, etc. By integrating the metamaterial absorber on the IRFPA, not only can the absorptivity be improved, but also more functions can be achieved by the IRFPA.

Abstract: Provided are a container platform-oriented trusted software authorization and verification system and a method, the system including a public key infrastructure builder, a container image identity builder, a signature list builder, a container image verifier, a signature list and user certificates loader, and a container program verifier. The method is capable of conveniently authorizing container images and software running in the container, and verifying the container images and programs in the container at the right time, so as to ensure that container images running on the container platform are trusted, and the software running in the container is also trusted, thereby improving the security of the container platform.

Abstract: A method for synthesizing high-content NaY molecular sieves with kaolin sprayed microspheres includes adding functional components and deionized water into kaolin so as to be pulped into a mixed slurry. The slurry is sprayed into microspheres. The microspheres are calcined at a temperature between 700 and 1,000° C. and mixed with a directing agent for crystallization. The resultant solid is filtrated and washed with water and then dried to obtain a final in-situ crystallized product with high content of molecular sieves.

Abstract: A method for synthesizing high-content NaY molecular sieves with kaolin sprayed microspheres is provided, comprising that functional components and deionized water are added into the kaolin so as to be pulped mixed slurry, and the slurry is sprayed into microspheres, the sprayed microspheres are calcined at a temperature between 700 and 1,000° C. and the obtained is mixed up with directing agent for crystallization, the resultant solid is filtrated from mother liquid and washed by water. The functional components include structural agents, and the addition of the agents is about 2˜10 percent by mass of the kaolin; the structural agents are one or more of starch, graphite powder, and carboxymenthyl cellulose. Alternatively according to the present invention, one part of the sprayed microspheres with particle sizes of 20˜110 ?m is calcined at high temperature to get high-temperature calcined kaolin microspheres, while the other part is calcined at a low temperature to get meta kaolin microspheres.