6results about How to "Achieve infiltration" patented technology

The invention discloses a deep-sea parallel microorganism in-situ pressure-maintaining filtering device and method. The deep-sea parallel microorganism in-situ pressure-maintaining filtering device comprises a reversing module, a liquid pumping monitoring module and at least one acquisition monitoring module, the reversing module comprises a silt filter, an RNAlater flexible bag and an electromagnetic reversing valve; the liquid pumping monitoring module comprises a first three-way connector, a differential pressure sensor, a pump, an overflow valve and a turbine flowmeter. In the acquisition monitoring module, an inlet of a one-way valve is connected with an outlet of a turbine flowmeter, and an outlet of the one-way valve is connected with an inlet of an intermediate plate on the side surface of the microbial filter through a first stop valve; the microbial filter is provided with a pressure sensor and a piston pressure supplementing device; the inlet end of the piston pressure supplementing device is connected with a second stop valve; bottom and top outlets of the microbial filter are connected with a second three-way connector, and the other end of the second three-way connector is connected with an electromagnetic one-way valve through a third stop valve. By utilizing the method, genetic materials and cell structures of microorganisms can be prevented from being damaged to the maximum extent in the recycling and transferring process.

The invention provides a reactive polyurethane hot melt adhesive for laminating and compounding a low-surface-energy material and a preparation method of the reactive polyurethane hot melt adhesive, and relates to the technical field of polyurethane hot melt adhesives. Polyhydroxyl groups of the alkyl glycoside enable the alkyl glycoside to have good compatibility with polyether polyol and polyester polyol, and the polyhydroxyl groups react with isocyanate to form a certain degree of crosslinking, so that polyurethane molecules have higher cohesion strength; meanwhile, a long alkyl chain of alkyl glycoside is suspended beside a polyurethane main chain, and the polarity of the long alkyl chain is very low, so that the long alkyl chain has very good wettability on a low-surface-energy base material. Therefore, the polyurethane hot melt adhesive prepared by the invention can effectively infiltrate a base material in the actual use curing process of lamination and compounding of a low-surface-energy material, the bonding strength is not influenced by the low surface energy of the base material, and the polyurethane hot melt adhesive has relatively high initial bonding strength and relatively high final bonding strength.

The application belongs to the field of biomedical engineering, and discloses a human live mucosa organoid and a construction method and application thereof. The construction of the organoid comprises the following steps: preparing a cell gel compound, filling the cell gel compound into a support, implanting the support into a nude mouse subcutaneously after gelation, and obtaining the human live mucosa organoid after culturing for 1-3 weeks. The application also discloses the application of the organoid in disease research or drug screening. The application constructs a sustainable in-vivo biomimetic air-mucosa gas-liquid interface, realizes the transition of mucosa from an "ex-vivo static model" to an "in-vivo dynamic live system", and realizes the comprehensive evaluation of the curative effect of anti-infection drugs from three dimensions of pathogenic bacteria elimination, inflammation reaction regulation and immune cell recruitment inhibition in application, thereby breaking through the limitation of traditional models that can only evaluate the in-vitro bacteriostatic activity and being more consistent with the actual effect of clinical drug treatment.

The utility model provides olive mask cloth and relates to the field of facial masks. The olive mask cloth comprises a mask bag, a first cavity and a second cavity, a mask cloth body is arranged in the second cavity and comprises a skin-friendly layer, the surface of the skin-friendly layer is coated with olive oil, the skin-friendly layer is bonded to the interior of the mask cloth body and is made of plant fibers, an anti-skid layer is bonded to the top of the skin-friendly layer, and the anti-skid layer is made of plant fibers. The anti-skid layer is of a double-layer structure, the upper layer and the lower layer of the anti-skid layer are formed by weaving warp yarn and weft yarn in a crossed mode, the warp yarn is made of tencel fibers, and the weft yarn is made of plant fibers. The anti-slip layer is arranged at the top of the skin-friendly layer, and the size of the anti-slip layer is larger than that of the skin-friendly layer, so that the part, exceeding the skin-friendly layer, of the anti-slip layer can be directly contacted with the face, namely adhered to the face in the process of applying the mask cloth body, and the phenomenon that the mask cloth body slips off is prevented.

The utility model provides a cultivation device facilitating seedling transplanting, and relates to the field of seedling cultivation. The device comprises a cultivation frame and a plurality of cultivation units, the cultivation frame comprises a supporting plate and supporting columns arranged at the peripheral corners of the supporting plate, a plurality of placing areas are arranged on the supporting plate, the cultivation units are arranged in the placing areas, and soil and seedlings are contained in the cultivation units; a water storage tank is arranged at the bottom of the cultivation frame, moves in the height direction of the supporting columns and can immerse the cultivation units. The method has the effects of optimizing the irrigation mode and preventing the roots of the seedlings from rotting.

The utility model relates to the technical field of lawn forming facilities, in particular to a lawn ecological floating bed which comprises a frame body, a plurality of layers of non-woven fabrics are detachably connected to the bottom of the frame body, floating bed substrates are laid on the non-woven fabrics, poa pratensis is planted on the floating bed substrates, a filter box is further detachably connected to the lower portion of the frame body, and the filter box is connected with the bottom of the frame body. A through hole is formed in the filter box, a driving pipe is further arranged on the outer side of the frame body, a positioner and a driving module are arranged in the driving pipe, a paddle is arranged at the bottom of the driving pipe, the paddle is rotationally connected with the output end of the driving module, and the driving module is driven through a remote controller. While water body remediation is carried out, agricultural waste resources are effectively utilized for lawn planting, after the lawn is formed, the lawn is rolled into a turf roll to be conveyed and laid, and the win-win situation of water body purification and turf production is achieved.