1137results about How to "Improve isolation" patented technology

The invention discloses a directional diagram reconfigurable antenna capable of switching feed through an MEMS switch, and belongs to the field of radio frequency front-end devices. The directional diagram reconfigurable antenna is composed of a micro-strip radiation unit, a guide parasitic unit, a composite beam ohmic contact type MEMS switch, a one-to-four feed network, a direct current bias line, a test patch bonding pad, a coplanar waveguide, a gradual change micro-strip line, a dielectric substrate and a metal ground backboard. The two-stage MEMS switches are erected on the one-to-four feed network, when the two-stage switches on a certain feeder line are turned on, radio frequency current can flow to the corresponding basic radiation unit through the feeder line to generate an inclined beam facing the quadrant, and the two basic radiation units on the front side can be enabled by simultaneously turning on the four switches on the front side to generate an inclined beam facing the quadrant. And generating an inclined beam in the front side positive direction. The antenna adopts a single-layer board design, the dielectric substrate does not need to be punched, the structure is simple, manufacturing is convenient, the adopted MEMS switch is small in loss and high in isolation degree, and rapid printing and manufacturing can be achieved through the surface etching process.

The invention discloses a Ka-band waveguide three-way power divider, which belongs to the technical field of microwave and millimeter waves, and is characterized in that a combining port is formed in the front side wall of a shielding box, and three distribution ports are formed in the rear side wall of the shielding box; a coplanar magic T equal power divider, a coplanar magic T equal power combiner, a branch waveguide unequal power divider, an L-shaped waveguide, a Z-shaped waveguide and a half waveguide-full waveguide gradual change structure are arranged in the shielding box. Wherein the coplanar magic T equal power divider comprises an E-T junction waveguide cavity, two equal branch waveguide cavities, a microstrip probe and a power resistance load, and outputs two paths of signals with equal amplitude and opposite phases; the branch waveguide unequal power divider comprises a four-branch waveguide directional coupler and an inclined-wedge-shaped waveguide matching load, and the output power ratio of a straight-through output port to a coupling output port is 2: 1. The filter has the advantages of being symmetrical in structure, good in amplitude and phase consistency, small in insertion loss, good in port standing wave and high in isolation degree.

The utility model relates to a flexible wearable liquid metal antenna and wearable electronic equipment, and belongs to the technical field of wearable antennas. Comprising a dielectric substrate, a grounding metal sheet, a feed port metal sheet, a metal floor and an inverted F-shaped groove, according to the dual-band wrist type PIFA antenna, a flexible material PDMS is used as a dielectric substrate, liquid metal EGaIn is used as a radiation material, and the EGaIn is wrapped in a microfluidic channel formed by the PDMS, so that the wearable antenna working at two frequency bands of 2.4 GHz and 5.8 GHz is realized. Compared with a traditional solid metal wearable antenna, the wearable antenna designed on the basis of liquid metal can well receive signals, material fatigue or cracking cannot be caused by repeated bending, and the wearable antenna has high self-repairing capacity and has more advantages in the wearable aspect.

The invention belongs to the technical field of microwaves. The invention provides a broadband frequency selective surface radome with a wide-angle harmonic suppression function. According to the embodiment of the invention, the regular hexagonal periodic arrangement mode is selected, so that the structures of the FSS units under wide-angle incidence can be ensured to have good in-band wave-transparent characteristics and harmonic band suppression characteristics. By adopting the structure of the double-layer FSS unit, the wide wave-transparent bandwidth can be realized. A transmission zero point can be introduced by loading a circular hole on the aperture type FSS unit, and the position of the transmission zero point and the bandwidth of a stop band can be adjusted by adjusting the size of the circular hole, thereby achieving a good inhibition effect in a harmonic frequency band. By designing the FSS unit form, the wave-transparent bandwidth of the frequency selective surface structure is improved, and two transmission zeros are introduced at the harmonic position, so that good isolation is achieved in the harmonic band of the wave-transparent bandwidth. By optimizing the thickness and the stacking arrangement of the core layer, the filter has good passband transmission characteristics and harmonic band suppression characteristics under a large incident angle.

The invention provides a modified vermiculite-based lithium ion battery fire extinguishing agent and a preparation method thereof.The modified vermiculite-based lithium ion battery fire extinguishing agent is prepared from, by mass, 5-30% of LDHs / vermiculite compound, 0.5-3% of stabilizer, 0.5-3% of dispersing agent, 2-4% of dispersing aid, 0.5-3% of thickening agent, 0.1-1% of preservative and the balance water, the sum of the mass percentages of all the raw materials is equal to 100%. The fire extinguishing agent prepared by the invention has both physical and chemical fire suppression effects, solves the problem that an original vermiculite-based fire extinguishing agent only depends on physical fire suppression and is low in fire extinguishing efficiency, and can quickly extinguish a fire of a lithium ion battery and effectively suppress re-combustion of the lithium ion battery.

The invention discloses a high-power microwave amplitude limiting circuit which has a three-stage structure, a first-stage circuit and a second-stage circuit are respectively composed of three Schottky diodes at the upper part and three Schottky diodes at the lower part, and a third-stage circuit is respectively composed of three PIN diodes at the upper part and three PIN diodes at the lower part and is symmetrically distributed. Each stage of circuit is connected by a quarter-wavelength impedance transmission line, and two ends of the circuit are connected in series with a capacitor. After a radio-frequency signal is input from the first port, the Schottky diodes are rapidly conducted and generate direct current, the direct current can provide forward bias for the PIN diodes which are reversely connected in parallel after passing through the Schottky diodes of the first two stages, the bias current can rapidly reduce the forward conduction resistance of the PIN diodes, the PIN diodes are made to be in an approximate short-circuit state, and therefore the positive conduction resistance of the PIN diodes is reduced. The current is output from the third stage, and at the moment, the circuit can reflect most incident power so as to achieve the purpose of amplitude limiting. The invention overcomes the defects of difficult circuit structure adjustment, poor performance and the like, and has the advantages of low power consumption, large power capacity, small peak leakage energy, small response time and the like.

The invention discloses an anti-interference ultra-wideband radiation unit and an anti-interference ultra-wideband antenna, and the radiation unit comprises a light guide sheet which is located above a radiation surface and is used for expanding the bandwidth; the radiating surface consists of four folded dipole radiating arms and is printed on a first substrate of which the dielectric constant is 4.4, the loss tangent is 0.005 and the thickness is 0.762 mm, and every two folded dipole radiating arms are connected together through a high-impedance lead; the balun comprises an inductance circuit and a capacitance circuit on the front surface and the back surface, the inductance circuit is arranged in a bending manner and is electrically conducted through a metalized via hole, the capacitance circuit performs energy coupling through a gap of the substrate thickness to form a gap capacitor, and the balun is connected with each folded dipole radiation arm and is used for providing broadband impedance matching; and the base is connected with the balun and is used for converting the feed type, so that the coaxial cable is welded in parallel to the base, the electromagnetic interference between different frequency bands can be effectively reduced, and the gain can be improved.

The invention discloses an amplitude-phase-adjustable microstrip line high-directional coupling structure and a multichannel coupler. The amplitude-phase-adjustable microstrip line high-directional coupling structure comprises a dielectric plate, and an input port, a transmission port, a coupling port and an isolation port which are arranged on the dielectric plate, the input port is connected with the transmission port through the microstrip line, and the transmission port is used for being connected with the antenna port; the coupling port is connected with the isolation port through the two-stage coupling passband; the coupling port is used for outputting a coupling signal; the length of the coupling part of the two stages of coupling passbands can be adjusted; and a phase regulator for regulating the phase is arranged between the two stages of coupling passbands. The phase difference is formed through the distance between two stages of coupling, the amplitude and the phase are adjusted, coupling output is achieved at a coupling port, high isolation is achieved at an isolation port, and the problem that due to the fact that upper and lower media of a microstrip line high-directionality coupler are not uniform, the phase velocities of odd and even modes in the microstrip coupler are different, and the directionality of the microstrip line high-directionality coupler is poor is effectively solved. And the directivity is poor.

The invention discloses a terahertz wave band composite beam RF MEMS switch with low driving voltage, and belongs to the field of radio frequency front-end devices. The device is composed of a direct current port metal block, a direct current bias line, a microstrip line matching structure, a composite beam MEMS switch, a composite beam middle conduction structure, a metal electrode of a composite beam, a silicon nitride insulating layer, a quartz glass substrate, a coplanar waveguide metal ground and a metal ground. The composite beam MEMS switch is formed by combining a silicon dioxide material clamped beam and a metal beam adsorbed below the silicon dioxide material clamped beam, a direct current port is connected to the anchor point position of the metal beam and a metal electrode through a direct current bias line, and different direct current voltages can be input through the direct current port to control the lifting state of the composite beam and the pull-down state of the composite beam adsorbed to the electrode. The two switches respectively correspond to an off state and an on state of the switch. The composite beam MEMS switch works below 140GHz, so that low driving voltage, low insertion loss and high isolation are realized. The reaction time of microsecond magnitude is achieved, destructive deformation is not prone to occurring, the structure is simple, and manufacturing is easy.

The invention discloses an isolator circuit structure of a high-level inter-level isolation double-junction microstrip circulator, belongs to the field of microwave devices, and aims to shorten the length of an inductor and change the capacitance matched with the inductor, so that the plane size of a product can be effectively reduced; a three-section matching stub line interstage circuit structure design compensates the length of a connecting line between two loop junctions, so that the interstage isolation degree of the double-junction microstrip circulator isolator can be effectively improved; by combining the two designs, the interstage isolation degree of the double-junction microstrip circulator isolator is improved by more than 3dB under the condition that the size is not changed or reduced.

The invention provides an intersecting shield interval protection construction method, which belongs to the technical field of building construction, and comprises the following steps: firstly, excavating an open cut foundation pit at an intersection, arranging a cast-in-situ bored pile and a crown beam as an enclosure structure in the foundation pit, and arranging a steel support system at the same time. And after the enclosure structure is completed, the foundation pit is excavated to the designed depth, and reinforced concrete supporting piles and pile top beams are constructed. And on the basis, a reinforced concrete protection plate is poured to form a sheet pile structure type protection structure system. And finally, foundation pit filling is completed in a backfilling mode. Before the shield passes through the cross point, a test section is arranged to collect related construction data, and preparation is made for subsequent formal tunneling. And in the actual shield tunneling process, the tunneling speed and the soil bin pressure are controlled, and synchronous grouting is conducted. And after crossing the cross point, arranging closed rings in the front and back areas, and carrying out wall back grouting by adopting double-liquid slurry. And finally, a geological radar is used for detecting the cavity and repairing, and the problem of mutual influence in up-down close-distance crossed tunnel construction is solved.

The invention discloses a dual-frequency broadband microwave and millimeter wave common-aperture antenna, particularly relates to the technical field of microwave and millimeter wave communication, and solves the technical problem that the performance of a microwave and millimeter wave common-aperture antenna in the prior art is deteriorated due to the fact that mutual restraint between antennas is difficult to overcome. According to the technical scheme, a microwave magnetoelectric dipole antenna and a millimeter wave phase control patch antenna array are integrated; according to the invention, the problems of performance deterioration, incapability of scanning and the like of a sub-antenna under common-caliber integration are avoided, and based on a partial structure multiplexing design strategy, the broadband millimeter wave patch antenna array is multiplexed as a parasitic radiation patch of the microwave antenna to expand the microwave frequency band bandwidth, the microwave antenna bandwidth improvement target is additionally achieved, and the dual-frequency broadband effect is realized.

The present invention belongs to the technical field of brushed aluminum veneer, and discloses a brushed aluminum veneer, including an aluminum veneer frame, a reinforcing component is provided on the top of the aluminum veneer frame, hanging ears are provided on both sides of the aluminum veneer frame, and a closed component is movably installed on the top of the hanging ears. The present invention uses a reinforcing frame and an elastic airbag, so that a certain amount of inert gas is filled in the reinforcing frame and the elastic airbag, and the high-pressure environment under the inert filling is utilized, and at the same time, the inert gas with a low thermal conductivity is used to achieve heat insulation reinforcement inside the aluminum veneer frame, and the polyurethane foam and mineral wool in the filling layer are used to achieve heat insulation on both sides of the inside and outside during the installation and use of the brushed aluminum plate on the building wall, and has a better warming and heat preservation effect in the cold winter climate, effectively avoiding heat loss, and at the same time, in the hot summer environment, the insulation against external heat is enhanced, and the influence of external environmental heat on the indoor is reduced, and the comprehensive heat insulation capacity is greatly improved, and the use effect is good.

The invention discloses a millimeter wave polarization and directional diagram reconfigurable antenna, and belongs to the field of radio frequency front-end devices. The antenna is composed of symmetrical rectangular radiation patches, and a semicircular defect, a quarter circle defect, a rectangular branch load, an orthogonal bidirectional feed network, a T-shaped power dividing feed network, a composite beam ohmic contact type MEMS switch, a direct current bias line, a test patch bonding pad, a coplanar waveguide, a gradient matching structure, a dielectric substrate and a metal ground backboard which are located on the radiation patches. When the single-side MEMS switch on the T-shaped power dividing feed network is switched on, energy flows to the radiation unit on the side, and the leftward or rightward wave beam inclination effect can be achieved. When the MEMS on the two sides are both switched on, the radiation pattern points to the Z positive axis, no beam deflection exists, and therefore the pattern reconfigurable function in the left direction, the middle direction and the right direction can be achieved. When a switch on the orthogonal bidirectional feed network is closed, the size of the long line can realize 90-degree phase delay, and two orthogonal degenerate modes are synthesized into a circularly polarized wave to cover a complete half-power beam width.

The invention relates to the technical field of traditional Chinese medicine nursing, and discloses a traditional Chinese medicine nursing medicine hot compress device which comprises a medicine loading isolation mechanism, a binding fixing mechanism is arranged on one side of the medicine loading isolation mechanism, a hot compress heat conduction mechanism is arranged on the upper surface of the medicine loading isolation mechanism, and a flow guide mechanism is arranged on one side of the hot compress heat conduction mechanism. A heating constant-temperature mechanism is arranged at the end, away from the hot compress heat conduction mechanism, of the flow guide mechanism. According to the medicine hot compress device for traditional Chinese medicine nursing, through the arrangement of the medicine loading isolation mechanism, the binding fixing mechanism, the hot compress heat conduction mechanism, the flow guide mechanism and the heating constant-temperature mechanism, water flow can be heated to be constant in temperature through the heating constant-temperature mechanism during use, and then the water flow is pumped into the hot compress heat conduction mechanism for heat conduction; the medicine bag in the medicine filling isolation mechanism is heated to form hot compress, lasting heating and constant temperature can be guaranteed, and continuous comfort is improved.

The invention discloses a fermented feed for improving intestinal health and a preparation method thereof, and relates to the technical field of feed processing; the fermented feed for improving intestinal health consists of ZIF‑8@Clove Basil Oil Nanoparticles, Laver Polysaccharide Active Traditional Chinese Medicine Composite Gel, corn flour, soybean meal powder, grass powder, Bacillus subtilis, yeast and papain; the Laver Polysaccharide Active Traditional Chinese Medicine Composite Gel consists of Laver Polysaccharide, chitosan, compound traditional Chinese medicine superfine powder and citric acid; the ZIF‑8@Clove Basil Oil Nanoparticles are combined with the Laver Polysaccharide Active Traditional Chinese Medicine Composite Gel, and then coated with the fermented feed, so as to effectively isolate the feed from the external environment, maintain the activity of microorganisms in the fermented feed, increase the stability of the feed, and can also absorb harmful substances in the feed, reduce the adverse effects on the digestive tract, significantly improve intestinal health, thereby promoting digestion and absorption, and helping to improve the growth performance of animals.

The invention discloses a single-pole double-throw switch circuit and a switch chip, comprising an isolation offset unit, a power supply assembly, a switch main circuit connected with a signal input end, and two symmetrical switch branches connected with a signal output end, the control ends of the two switch branches are respectively connected with the power supply assembly; at the same time, the power supply assembly controls one of the switch branches to be switched on and the other switch branch to be switched off, each of the two switch branches comprises a branch output end and an output port matching network, one end of each branch output end is connected with the output end of the switch main circuit, and the other end of each branch output end is connected with the output port matching network. And the other end of the branch output end is connected in parallel with the isolation offset unit and the output port matching network, and the isolation offset unit is used for performing phase correction on an input signal on the switch branch, so that the corrected signal and a leakage signal on the switch branch are offset in a reverse phase manner. According to the invention, the isolation degree between the signal input port and the signal output port can be improved, broadband transmission and miniaturization of a conduction path are realized, and the size is reduced.

The invention relates to the technical field of electromagnetic fields and microwaves, in particular to a high-order dual-band band-pass frequency selective surface, which comprises an upper metal layer, a dielectric substrate and a lower metal layer, and is characterized in that the dielectric substrate is arranged between the upper metal layer and the lower metal layer; a large rectangular ring gap and four small rectangular ring gaps are etched on the upper metal layer and the lower metal layer respectively, the four small rectangular ring gaps are located on the four edges of the large rectangular ring gap, and four small rectangular metal patches, a large rectangular metal patch and irregular peripheral metal patches are adopted after etching. According to the invention, the overall performance of the frequency selective surface can be enhanced, so that the frequency selective surface shows more excellent selectivity and stability in multi-band application.

The invention provides an anti-allergy soothing sanitary towel composite chip containing a purslane component and a preparation method, and belongs to the technical field of sanitary towels. The composite chip is of a multi-layer structure, the middle layer is a water absorption layer, the upper layer is an anti-allergy soothing layer, and the lower layer is a water-resisting layer; the anti-allergy soothing layer is a nanofiber membrane loaded with probiotic microspheres and a purslane extract, and the water-resisting layer is a polyethylene film or a polypropylene film; the water absorption layer is a composite layer of silicon dioxide aerogel and polyurethane sponge. The prepared anti-allergy soothing sanitary towel composite chip containing the purslane component not only has various biological functions of absorption, deodorization, peculiar smell removal, antibiosis, anti-inflammation, anti-allergy soothing, antioxidation, adjustment of ecological balance of private parts and the like, so that the effects of relieving itching and allergy, protecting skin barriers, resisting inflammation and the like are achieved, vaginal flora can be adjusted, and the effects of relieving itching, relieving itching, relieving inflammation and the like are achieved. And vaginitis and the like are reduced, the private health of women in the menstrual period is protected, and the health of women is facilitated.

The safe storage cabin comprises a main monitoring system, a heat dissipation fire fighting system and a cabin body, a plurality of energy storage electric cabinets are stored in the cabin body, and a main energy storage converter, a main transformer and an electric cabinet management system which are connected with the energy storage electric cabinets are fixedly arranged in the cabin body; the cabin body is provided with a cabin door, the cabin door is provided with a display panel and a cabin body management server, and the cabin body management server is electrically connected with a valve of the fire sprinkler, the main monitoring system, the main energy storage converter, the main transformer, the electric cabinet management system, a control mechanism of a roller shutter type fireproof blanket in the heat dissipation fire extinguishing system and the display panel; the main monitoring system transmits detected signals to the cabin management server, the cabin management server controls the operation states of the roller shutter type fireproof blanket, the fire sprinkler, the main energy storage converter, the main transformer and the electric cabinet management system according to the received signals, operation data are displayed through the display panel, large-scale management of the energy storage electric cabinet is achieved, and the energy storage electric cabinet management efficiency is improved. The energy storage cost is reduced, and the space utilization rate is improved.

The invention discloses a rapid heating wavelength-adjustable laser chip integrated with a heat insulation pad and a preparation method, the rapid heating wavelength-adjustable laser chip comprises an epitaxial structure, a passivation layer, P-surface metal and N-surface metal, and the epitaxial structure comprises a substrate layer, a lower limiting layer, an active layer and an upper limiting layer from bottom to top in sequence; the active layer is set to be a passive area and an active area along the cavity length direction, a grating structure is arranged in the upper limiting layer, and the grating structure is arranged corresponding to the passive area and avoids the active area; the part, corresponding to the passive area, in the lower limiting layer is sacrificed to form a cavity, and a heat insulation material grows and is filled in the cavity to form a heat resistance cushion layer; and a ridge waveguide is formed on the front surface of the epitaxial structure. The heating efficiency of the chip is improved, the heating temperature can be accurately adjusted, and the overall structural strength of the chip is high.

The invention provides a low-noise amplifier and a radio frequency front-end module, and the low-noise amplifier comprises an input matching circuit, a first-stage power amplification circuit, an inter-stage matching circuit, a second-stage power amplification circuit and an output matching circuit. The inter-stage matching circuit comprises a first inductor, a second inductor and a first capacitor; the second-stage power amplification circuit is of a cascode structure; and the output matching circuit comprises a third inductor and a fourth inductor which are coupled with each other. According to the low-noise amplifier, the high-frequency gain, the in-band gain flatness, the isolation degree, the stability and the output matching bandwidth of the low-noise amplifier can be improved.

The present invention discloses a water-guided laser processing device under a multiple water-gas composite mode and a processing method thereof. An auxiliary atmosphere input gas path (9) is provided in the interlayer between a light-water coupling device (2) and an annular water jet device (3), and the auxiliary atmosphere input gas path (9) ejects the auxiliary atmosphere through an annular gas nozzle (6) to form an auxiliary airflow layer (8). A nozzle (4) is provided at the lower end of the light-water coupling device (2), and an annular liquid nozzle (5) is provided at the bottom of the annular water jet device (3). The light-water coupling device (2) is used to couple a laser beam (1) with an internal liquid and then eject a single water jet (10) from the nozzle (4). The annular water jet device (3) is used to eject the internal liquid from the annular liquid nozzle (5) to form an annular water curtain (7) surrounding the light-guided water jet (10), and the annular water curtain (7) envelops the auxiliary airflow layer (8). The present invention is used to effectively extend the stable jet length.

According to the semiconductor device and the manufacturing method thereof, on the premise that cost and process complexity are not increased, while a DTI (second trench) is manufactured, one or more third trenches with smaller widths are additionally arranged between an MTI (first trench) and an internal device area, third trench isolation structures are filled, the third trenches with smaller widths are shallower in depth, and the third trenches with smaller widths are filled with third trench isolation structures. The third groove with the narrow width is filled with a third groove isolation structure-thermal silicon oxide layer, the voltage resistance performance is excellent, the isolation between the MTI and the internal device area can be effectively improved, the minimum design distance between the original MTI and the internal device area is shortened, no extra technology needs to be added, the chip cost is reduced, and the reliability of the chip is improved. And the chip competitiveness is improved.

The utility model relates to the technical field of lithium ion batteries, in particular to a diaphragm, a battery roll core and a battery. The diaphragm comprises a base film and a coating layer, the base film is provided with a plurality of spraying areas, each spraying area comprises two edge areas and a center area arranged between the two edge areas, the edge areas are arranged on the two opposite sides of the spraying areas in the width direction respectively, and the edge areas of every two adjacent spraying areas are connected; the coating layer covers the spraying area, and the thickness of the coating layer in the central area is larger than the thickness of the coating layer in the edge area. The utility model aims to solve the problem that lithium is separated out on the surface of the lithium ion battery in the use process due to non-uniform distribution of a coating layer of a diaphragm in the prior art.

The invention relates to a multi-beam phased-array antenna, which comprises an antenna layer, a beam layer, a control network layer, a power supply network layer and a radio frequency chip layer, the beam layer comprises a plurality of beam forming network layers; the radio frequency chip layer is connected with the wave beam layer and the antenna layer through an electromagnetic interconnection structure; the multi-beam phased-array antenna outputs a plurality of independent beams, the number of the independent beams is smaller than or equal to the number of the beam forming network layers, and opening or closing and pointing of any independent beam are controlled according to the requirement for the communication rate, the signal strength and the use scene; and the multi-beam phased-array antenna enhances the signal strength and the communication rate by controlling the plurality of independent beams to point to the same satellite. The method can improve the performance of the satellite communication terminal by flexibly switching the beams, and has the characteristics of high engineering practicability, mature process and controllable cost.

The invention discloses a low leakage current enabling control circuit and method suitable for a high-voltage LDO, the low leakage current enabling control circuit comprises a bias unit, a turn-off unit and an output unit, and the output end of the bias unit is connected with the input end of the turn-off unit to provide static bias current for the turn-off unit; the output end of the turn-off unit is connected with the input end of the output unit to provide a controllable high-voltage domain power supply for the output unit, and the first output end of the output unit is connected with the first input end of the low-voltage circuit module to provide a low-voltage domain power supply for the low-voltage circuit module. And the second output end of the output unit is connected with the second input end of the low-voltage circuit module and is used for controlling the enabling and turn-off of the low-voltage circuit module. According to the invention, the isolation degree of the chip in the disable state is improved, and the leakage current of the chip in the disable state is effectively reduced.

The invention discloses a fermented feed for improving intestinal health and a preparation method thereof, and relates to the technical field of feed processing. The fermented feed for improving intestinal health is prepared from ZIF-8 ocimum gratissimum oil nanoparticles, porphyra polysaccharide active traditional Chinese medicine composite gel, corn flour, soybean meal, grass meal, bacillus subtilis, saccharomycetes and papain. The porphyra polysaccharide active traditional Chinese medicine composite gel is prepared from porphyra polysaccharide, chitosan, compound traditional Chinese medicine superfine powder and citric acid, the ZIF-8-coated ocimum gratissimum oil nanoparticles and the porphyra polysaccharide active traditional Chinese medicine composite gel are combined, and then the fermented feed is coated, so that the fermented feed is effectively isolated from the external environment, the activity of microorganisms in the fermented feed is maintained, the stability of the feed is improved, harmful substances in the feed can be adsorbed, the adverse effect on digestive tracts is reduced, and the feed is safe and reliable. The intestinal health is obviously improved, so that the digestive absorption is promoted, and the growth performance of animals is favorably improved.

The invention discloses a hospital infection control isolation protection device and an isolation protection method.The hospital infection control isolation protection device comprises an isolation sickbed, a bed frame is arranged below the isolation sickbed, reinforcing supporting rods are arranged at the two ends of the interior of the bed frame, universal wheels are arranged at the bottom of the bed frame, and a mattress is arranged in the isolation sickbed; the infection control isolation protection cover is arranged above the isolation sickbed, an upper combination frame is arranged below the infection control isolation protection cover, and a lower combination frame is arranged below the upper combination frame. The infection control isolation protection cover is arranged above the isolation sickbed, an infected patient can be isolated in the cover through the infection control isolation protection cover, the infected patient is totally closed on the sickbed and is used for preventing body fluid or blood from splashing, cross infection is effectively reduced, viruses are blocked in the cover, and the infection control isolation protection cover is safe and reliable. A large number of viruses are prevented from spreading to the whole ward, the infection probability of medical staff is reduced, and the isolation effect is good.

The invention discloses a method for isolating a server hook based on a sandbox, and according to the scheme, the security, the resource management efficiency and the isolation of Server hooks in a code management platform are remarkably improved, the defects in the aspects of resource consumption, authority control and the isolation in the prior art are effectively overcome, and the efficient and safe management requirements on the Server hooks in a multi-tenant environment are met. By the adoption of the scheme, resource consumption can be saved, and quick starting can be achieved, the Isole sandbox can execute codes immediately, the whole mirror image does not need to be loaded in advance, and resource use of each process can be specifically and finely controlled, so that resource management is more efficient. The Isole sandbox realizes quick response and efficient resource utilization through lightweight resource management and independent process space, and meanwhile, the process of each tenant is ensured not to interfere with each other.