50results about How to "Reduce distribution" patented technology

The invention discloses an immunoregulation drug delivery system for specifically targeting focus MDSC cells as well as a preparation method and application of the immunoregulation drug delivery system. The delivery system is of a double-layer vesicle structure, an inner-layer vesicle is a polymer vesicle of an antibody targeting MDSC cell surface marker, the outer wall of the inner-layer vesicle is positively charged and loads an immunoregulation therapeutic gene, and a therapeutic drug is loaded in the inner-layer vesicle; the outer-layer vesicle is an enzyme substrate polypeptide-PEG (Polyethylene Glycol) modified liposomal vesicle which can be disintegrated in a targeted manner under the action of a placenta interstitial fluid high-expression enzyme. The delivery system provided by the invention can realize regulation and control of MDSC in the placenta and regulation and control of immunity in the placenta, avoids influence on functions of other cells in the placenta, can effectively reduce medicine leakage through maternal and fetal barriers, and reduces toxicity to fetuses and maternal bodies.

This invention relates to the field of biopharmaceutical technology, providing a self-assembled peptide-rhein conjugate, its formulation, preparation method, and applications. The MMP-9-responsive self-assembled peptide-rhein conjugate of this invention, with the sequence Rhein-GFFPLGLAGACE, can respond to abnormally activated MMP-9 in atherosclerotic plaques, self-assembling in situ into a stable nanofiber structure at the lesion site. The rhein in this conjugate exhibits significant anti-inflammatory and antioxidant functions, but its water solubility and oral bioavailability are low. These are significantly improved after conjugation with the peptide, achieving targeted delivery and prolonging retention time. The introduction of the tripeptide ACE, which mimics the function of glutathione, further enhances the conjugate's ability to resist oxidative stress. Furthermore, this conjugate exhibits excellent anti-inflammatory and antioxidant effects, scavenging ROS, inhibiting inflammatory pathways, regulating macrophage phenotype, and inhibiting apoptosis, providing a new strategy for the treatment of atherosclerosis.

The invention relates to the field of constructional engineering materials, in particular to a preparation method of multi-active-center synergistic flow-state solidified soil, which ensures the uniformity and stability of materials by accurately controlling the particle size of construction waste and the proportion of high-temperature treated sludge. The construction waste is mixed with the high-temperature sterilized sludge, so that the fluidity and self-compaction of the solidified soil are improved, the construction period is shortened, the cost is reduced, and the environmental pollution is reduced. The FAU / carbon composite material enhances the early strength and bearing capacity of the solidified soil, shortens the solidification time and enhances the impermeability. The montmorillonite soil improves the workability and environmental adaptability of the solidified soil, absorbs excessive moisture, reduces shrinkage and cracking, and improves the freeze-thaw resistance. Through the synergistic effect of the two components, stress transmission and dispersion are promoted, effective transmission of heat is improved, the mechanical property and the heat-conducting property of the fluid-state solidified soil are enhanced, the engineering efficiency and the environmental adaptability are improved, and an economical and practical solution is provided for the engineering environment.

The invention discloses an electrowetting display device structure and a method for preparing the electrowetting display device structure, the electrowetting display device structure comprises a first substrate, a second substrate, a sealing frame and a pixel wall, the second substrate and the first substrate are arranged in parallel, a first conductive layer is arranged on one side close to the first substrate, and a second conductive layer is arranged on the other side close to the second substrate. A hydrophobic insulating layer is arranged on the first conductive layer; the sealing frame is arranged between the first substrate and the second substrate, a sealing cavity is formed among the first substrate, the sealing frame and the second substrate, and the sealing cavity is filled with polar liquid; the pixel wall is located in the sealing cavity and arranged on the hydrophobic insulating layer, a pixel grid is defined, the pixel grid is filled with non-polar liquid which is immiscible with the polar liquid, the pixel wall comprises a second conducting layer, and the second conducting layer and the first conducting layer form a positive electrode and a negative electrode respectively. According to the electrowetting display device structure, the response time of the electrowetting display device can be prolonged, and the conductive efficiency of the electrowetting display device can be improved.

The present invention provides a compound DOTA-HX2-DZ and its application, belonging to the field of biomedical technology. The present invention optimizes the molecular structure of DZ-HX2-DOTA, designs and adopts a special linker, and solves the problem of limited anti-tumor efficacy caused by the poor performance of radiolabeled drugs in the prior art, such as stability, lipid solubility and tumor retention time. The compound of the present invention can significantly reduce the risk of delabeling of radioactive metal ions in the in vivo environment, ensuring that it can stably play a role in the targeted site; the molecule has excellent lipid solubility and can more easily penetrate the cell membrane and vascular barrier, thereby improving the bioavailability of the drug, prolonging the in vivo circulation time, and prolonging the tumor retention time, thereby improving the treatment efficiency. The DZ-HX2-DOTA of the present invention has a broad spectrum of tumor targeting, and can be used for diagnosis and treatment of various types of malignant tumors.

The invention discloses a preparation method of an asphalt coated silicon-graphite composite negative electrode material, and aims to solve the problems of volume expansion and the like of a silicon-based material in circulation so as to prolong the cycle life of the silicon-based negative electrode material. The process is mainly characterized in that a target coating material is used for carrying out multi-time layered coating treatment on a silicon-graphite precursor to obtain the silicon-carbon negative electrode material with a'coating material-silicon-graphite 'spherical sandwich structure. The preparation method has the advantages that the graphite is used as a carbon material supporting framework and is mixed with the nanometer silicon for layered asphalt coating, stress change generated by volume expansion of the silicon is relieved by utilizing a cavity between the graphite and the silicon and a buffering effect of the elastic coating layer, and meanwhile, a complete carbon coating layer is formed by utilizing multiple times of coating; the content of free nano silicon in the material is reduced, the problem of failure caused by volume expansion of a solid electrolyte membrane is reduced, and high stability of the silicon-carbon composite negative electrode material is finally realized.

The invention belongs to the technical field of three-dimensional packaging, and provides a radio frequency microsystem three-dimensional packaging shell structure which comprises a metal bottom plate, a metal cover plate and a ceramic frame of a frame-shaped structure, and the metal bottom plate and the metal cover plate are fixedly installed at the two ends of the ceramic frame respectively; a plurality of groups of mounting tables are fixedly mounted on two groups of symmetrical side walls in the ceramic frame, and the plurality of groups of mounting tables on the same group of side walls are arranged in a step shape, so that the technical problems that in the prior art, the cooling means is single, and the heat dissipation requirement of a high-power chip is difficult to meet are solved; during use, air can be driven by heat generated by a chip to circularly flow in a sealed area formed by the metal bottom plate, the metal cover plate and the ceramic frame, heat dissipation can be performed on the air in the air circular flowing process, and the chip three-dimensional packaging structure can be widely applied to three-dimensional packaging scenes of chips.

This invention discloses a low-temperature start-stop control method for a hydrogen fuel cell vehicle, comprising: during the startup of the on-board fuel cell system, performing a self-check to determine whether the ambient temperature is below 0°C; when the ambient temperature is below 0°C, detecting the operating status of the hydrogen fuel cell vehicle and executing different cold-start strategies according to the operating status; during the shutdown of the on-board fuel cell system, detecting the ambient temperature, and when the ambient temperature is below 0°C, executing a shutdown strategy to reduce cooling circuit heat dissipation. The shutdown strategy to reduce cooling circuit heat dissipation includes: reducing the cooling circuit temperature to a first preset temperature, where the first preset temperature is greater than 30°C. This invention's low-temperature start-stop control method for hydrogen fuel cell vehicles adopts a self-starting approach, avoiding multiple cold starts due to energy allocation during operation in low-temperature environments. It optimizes the fuel cell system shutdown purging strategy during vehicle operation, increases the shutdown temperature, slows down system temperature drop, improves insulation, reduces the risk of low-temperature cold start failure, improves fuel cell stack lifespan, reduces the additional heating space of the fuel cell, and reduces additional consumption of the fuel cell system.

The invention relates to a method for observing and quantitatively analyzing microscopic displacement of water-displacing oil, and belongs to the technical field of oilfield development. The method specifically comprises the following steps: preparing a core sample into a visual rock slice assembly; injecting fluid into the visual rock slice assembly to carry out a displacement experiment, recording a video of the distribution condition of the fluid in the slice, intercepting a picture, and establishing fluorescent picture standard samples of the rock slice in different states; oil-bearing areas before and after displacement are analyzed from the pictures; and analyzing the occurrence state of the residual oil. The defects that a glass etching model cannot reflect a real core pore structure and the definition of a recorded displacement video or picture is low are overcome.

The application provides a dsHpAGO1 for preventing and controlling holotrichia larvae and application thereof, and belongs to the field of biotechnology and agricultural application. The dsHpAGO1 in the application is synthesized by an HpAGO1 gene with a nucleotide sequence as shown in SEQ ID NO. 1 and dsRNA primers with nucleotide sequences as shown in SEQ ID NO. 3 to SEQ ID NO. 4. After the holotrichia larvae are injected with the dsHpAGO1 in the application, the expression amount of the HpAGO1 gene is significantly reduced compared with a control group, the interference efficiency is 95.53%, the holotrichia larvae grow and develop abnormally, and a large number of holotrichia larvae die, the mortality rate is 91.7%, and the silencing efficiency of the HpVAA gene is reduced by 42.6%. Therefore, the dsHpAGO1 in the application has great significance in the prevention and control of holotrichia larvae.

The present application belongs to the field of battery material technology, and specifically relates to a dry high-load composite positive electrode sheet with gradient distribution and a preparation method thereof, wherein the conductive carbon material, multi-size oxide solid electrolyte particles, and positive electrode active material are pre-mixed and dispersed at high speed to obtain a first powder; a binder is added to the first powder, and a low-temperature and low-speed dispersion treatment is performed to obtain a second powder; the second powder is subjected to a heat preservation treatment to obtain a pre-fiberized second powder; the binder is fiberized and other components are uniformly dispersed to form a third powder; the third powder is subjected to a multi-stage hot rolling treatment to obtain a first electrode membrane; steps 1-5 are repeated to adjust the component ratio to prepare a second electrode membrane; the first and second electrode membranes and the carbon-coated aluminum foil current collector are stacked and rolled in sequence to obtain a high-load composite positive electrode sheet with gradient distribution. The present application realizes gradient distribution preparation, improves the lithium ion diffusion rate, uniform electric field distribution, improves the rate performance of thick electrodes and the adhesion of the electrode sheet, and prevents shedding.

The application discloses an electrowetting display device structure and a method for preparing the same. The electrowetting display device structure comprises a first substrate, a second substrate, a sealing frame and a pixel wall. The second substrate is arranged in parallel with the first substrate, and has a first conductive layer on one side close to the first substrate. A hydrophobic insulating layer is arranged on the first conductive layer. The sealing frame is arranged between the first substrate and the second substrate, and a sealed cavity is formed between the first substrate, the sealing frame and the second substrate. The sealed cavity is filled with a polar liquid. The pixel wall is arranged on the hydrophobic insulating layer in the sealed cavity, and defines a pixel grid. The pixel grid is filled with a non-polar liquid which is immiscible with the polar liquid. The pixel wall comprises a second conductive layer, and the second conductive layer and the first conductive layer form a positive electrode and a negative electrode, respectively. The electrowetting display device structure can improve the response time and the conductive efficiency of the electrowetting display device.

The application discloses a gaze estimation method based on a hybrid pulse neural network and joint sparsity optimization, and belongs to the field of computer vision and human-computer interaction. The asymmetric hybrid network architecture with a front-end lightness and a rear-end self-adaptation is adopted, and the full-connection calculation of the front-end redundancy is removed. The structure effectively realizes the lightness of the network parameters while guaranteeing the modeling ability of the time sequence characteristics, effectively reduces the total energy consumption of the single-step system, and improves the deployment cost-effectiveness in the edge computing scene. The pulse sparsity joint optimization strategy is introduced, the MFR regularization penalty term is added in the loss function, and the accumulation speed of the membrane potential of the hidden layer neurons is effectively inhibited through the alternative gradient back propagation. The method reduces the overall pulse firing quantity at the physical level, reduces the redundant pulse firing irrelevant to the prediction accuracy, effectively reduces the synaptic operation number (SOPs) in the reasoning stage, and maintains good feature expression robustness under high sparsity.

The invention relates to quenched and tempered steel for a large-specification wind power fastener. The fastener steel comprises the following chemical components in percentage by mass: 0.38 to 0.45 percent of C, 0.22 to 0.30 percent of Si, 1.52 to 1.60 percent of Mn, less than or equal to 0.011 percent of P, 0.008 to 0.025 percent of S, 0.55 to 0.65 percent of Ni, 1.21 to 1.31 percent of Cr, 0.50 to 0.58 percent of Mo and the balance of Fe and inevitable impurity elements. The whole technological process comprises the steps of burdening, KR molten iron pretreatment, converter or electric furnace smelting, LF refining (sulfide denaturation treatment), degassing, continuous casting, warm conveying to a heating furnace, heating, high-pressure water descaling, rolling, waste heat quenching treatment, tempering, turning, packaging and warehousing. The diameter of the fastener steel ranges from 80 mm to 130 mm, the martensite content of the core area after overall quenching reaches 90% or above, the core-surface hardness difference after quenching is controlled within 3 HRC, and the fastener steel achieves large specification, high dimensional precision and excellent comprehensive mechanical performance at the same time.

The invention relates to novel high-hardenability mine chain steel. The novel high-hardenability mine chain steel comprises the following chemical components in percentage by mass: 0.22 to 0.26 percent of C, 0.22 to 0.30 percent of Si, 1.52 to 1.60 percent of Mn, less than or equal to 0.011 percent of P, 0.008 to 0.025 percent of S, 0.47 to 0.53 percent of Ni, 1.21 to 1.31 percent of Cr, 0.40 to 0.48 percent of Mo and the balance of Fe and inevitable impurity elements. The whole technological process comprises the steps of burdening, KR molten iron pretreatment, converter or electric furnace smelting, LF refining (sulfide denaturation treatment), degassing, continuous casting, warm conveying to a heating furnace, heating, high-pressure water descaling, PSM rolling, slow cooling, annealing treatment and straightening. The diameter of the prepared chain steel ranges from 18 mm to 130 mm, the material Di value is controlled within the range of 250 mm to 280 mm, the martensite content of a core area after overall quenching reaches 90% or above, the core-surface hardness difference after quenching is controlled within 3 HRC, and the chain steel achieves high dimensional precision, high hardenability and high abrasion resistance at the same time; and various performance indexes of the chain are fully guaranteed, meanwhile, the smelting cost is low, and the market competitiveness of the product is greatly improved.

The invention discloses a water-based modified composite nano plugging agent and a preparation method thereof, and belongs to the technical field of oil field drilling. Adding a surfactant and an emulsifier into an organic solvent to obtain an emulsion, slowly dropwise adding the nano-iron solution into the emulsion, heating and stirring for reaction to obtain an iron-based nano-emulsion; adding nano silicon dioxide into the iron-based nano emulsion, performing ultrasonic treatment, stirring, centrifuging and drying to obtain composite nano particles; and dispersing the composite nanoparticles and a silane coupling agent in an organic solvent, adding polyaminobenzene, alkyl polyaldehyde and formic acid, carrying out a heating reflux reaction in a protective atmosphere, then adding polyaminoalkane, continuing the reflux reaction, spin-drying a reaction solution, and sequentially washing, filtering and drying to obtain the modified composite nano plugging agent. The plugging agent is small in particle size, uniform in distribution, capable of plugging small gaps, good in soil adsorbability, high in salt-resistant stability, capable of adapting to various drilling fluids, free of leakage of the drilling fluids and capable of improving the plugging efficiency.

The present invention provides a MOSFET structure with a multi-layer gate control region and a preparation method, comprising: a substrate, the substrate comprising a first surface and a second surface arranged oppositely, the first surface covered with a doped drift layer, the surface of the doped drift layer is provided with a gate region and two source regions, the gate region is placed between the source regions; the gate region comprises a gate control region, the gate control region comprises a first gate control layer, a second gate control layer, a third gate control layer, a fourth gate control layer and a fifth gate control layer stacked in sequence and having different concentrations, the first gate control layer covers the doped drift layer. By setting the gate control region, the P-shield layer can be in a floating state when the device is turned on, which helps to improve the injection and distribution of carriers, reduce the lateral JFET resistance to a certain extent, reduce the amount of stored charge, and thereby reduce the on-resistance of the device, improve the reliability of the gate oxide layer, and improve the breakdown resistance of the device.

The invention discloses an oral drug delivery system for targeting mesenteric lymph nodes, a novel LNP oral delivery carrier for simulating release of chyloparticle drugs is prepared, and a way and a method for targeting intestinal chylolymphatic vessels are explored by performing targeted group modification on a carrier material. Compared with the prior art, the intestinal epithelial barrier penetrating capacity of the nano-drug can be remarkably improved, the targeting property of the nano-drug is enhanced, and the oral drug has remarkable advantages in the aspects of improving vaccine stability, enhancing immune response and reducing side effects through wrapping of the calcium alginate hydrogel.

The embodiment of the invention discloses a rock core gas drive front edge determination method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring a first nuclear magnetic resonance spectrum and a first layered nuclear magnetic resonance spectrum when a target rock core is not displaced; performing gas displacement on the target rock core to obtain a second nuclear magnetic resonance spectrum and nuclear magnetic signal variation of the target rock core in the displacement process; when it is detected that the nuclear magnetic signal variable quantity of the target rock core is larger than a preset nuclear magnetic signal variable quantity threshold value, a second layered nuclear magnetic resonance spectrum of the target rock core is obtained; and according to the first nuclear magnetic resonance spectrum, the first layered nuclear magnetic resonance spectrum, the second nuclear magnetic resonance spectrum and the second layered nuclear magnetic resonance spectrum of the target rock core, determining the gas drive front of the target rock core. By adopting the scheme, the one-dimensional rock core of different gases under the formation condition is dynamically monitored in real time through the online nuclear magnetic resonance layering technology, and the dynamic fine representation of the gas drive front is realized.

The invention discloses a CO2 flooding asphaltene blocking degree quantitative calculation method, and relates to the technical field of oil and gas field development. According to the technical scheme, the method comprises the following steps: executing on-line core in-situ condition nuclear magnetic testing: preparing a solution for saturating a core, preparing a saturated rock sample, determining a static pore throat nuclear magnetic T2 spectrum, determining a CO2 displacement process nuclear magnetic T2 spectrum, and determining a CO2 displacement post-nuclear magnetic T2 spectrum; the permeability damage rate and the porosity damage rate of the rock core are calculated by respectively obtaining static pore throat nuclear magnetic T2 spectrums and CO2 displacement process nuclear magnetic T2 spectrums of different rock cores, so that the CO2 displacement asphaltene blockage index is obtained. The method has the beneficial effects that the core in-situ condition on-line nuclear magnetic experiment is adopted, the micro-pore structure characteristics of the reservoir core are classified and researched, the CO2 displacement micro-dynamic process is observed by using the representative real core, the asphaltene and wax blocking degree of each stage can be quantitatively analyzed, the observation and operation are simple, the cost is low, and the method is suitable for large-scale popularization and application. And the support is provided for improving the recovery efficiency and reducing the residual oil distribution in the later-stage work of the oil field.

The application provides a method for preparing an aluminum-bronze-based composite material by remelting dilution and the aluminum-bronze-based composite material, and the method comprises the following steps: putting an aluminum-based composite material into a copper melt to obtain the aluminum-bronze-based composite material. The mass ratio of the aluminum-based composite material to the copper melt is 2-8:98-92. The aluminum-based composite material comprises 2-10 wt% TiB2 particles and the balance of aluminum. Compared with the in-situ self-formation method in the copper melt, the method for preparing the aluminum-bronze-based composite material by remelting dilution can greatly reduce the agglomeration of the particles, so that the tensile strength and elongation of the prepared aluminum-bronze-based composite material are significantly improved. In addition, the application simplifies the smelting process, has the advantages of energy saving, high efficiency, green and no pollution.

The invention provides a replenishment task generation method and device, electronic equipment and a computer readable storage medium, and relates to the technical field of warehouse logistics. The replenishment task generation method comprises the steps of predicting a to-be-delivered quantity of articles in a target time period based on types and corresponding quantities of the articles in a historical delivery order; calculating a replenishment state value of the goods in the goods picking position, and determining a first goods in a replenishment state and a second group of goods in a near replenishment state based on a replenishment grading rule; determining to-be-associated articles entering a replenishment state in the target time period in the second group of articles based on the to-be-delivered number of the articles; identifying associated articles having an association relationship with the first group of articles in the to-be-associated articles based on an associated article identification model; and associating the first group of articles with the associated articles to generate a replenishment task. According to the technical scheme, the delivery efficiency of the articles can be improved, and the probability of order waiting when the articles are out of stock is reduced.

This invention relates to the fields of biomedical engineering and drug delivery technology, specifically disclosing a novel targeted drug delivery system based on rosehip extracellular vesicles, comprising: preparing rosehip-derived extracellular vesicles; preparing drug-loaded vesicles; and preparing targeted modified drug-loaded vesicles. This invention utilizes the specific downregulation of stem cell-related pathways by rosehip components, while simultaneously leveraging doxorubicin to kill conventional tumor cells, forming a complementary therapeutic mechanism to fundamentally reduce the risk of tumor recurrence. The phenylboronic acid group of DSPE-PEG-PBA specifically recognizes sialic acid overexpressed on the surface of tumor cells, significantly increasing drug accumulation in tumor tissues while reducing distribution in normal tissues. By leveraging the natural biocompatibility and low immunogenicity of RHNVs, combined with the long-circulating properties of the PEG chain, systemic toxicity is minimized while ensuring delivery efficiency, particularly reducing the cardiotoxicity and bone marrow suppression of doxorubicin.

The utility model relates to the technical field of motor insulation, and discloses a stator coil anti-corona structure with a high rated voltage grade, which comprises a main insulator, a coil, a low-resistance belt, a middle-resistance belt and a high-resistance belt, the coil is sequentially wrapped by the main insulator, the low-resistance belt, the middle-resistance belt and the high-resistance belt, and the stator coil anti-corona structure is characterized in that the middle-resistance belt is lapped on the low-resistance belt and is half-lapped, and the high-resistance belt is lapped on the middle-resistance belt. And the high stop band is lapped on the middle stop band and is semi-lapped. The device has the advantage of inhibiting corona generation.

This invention provides an aptamer targeting the growth hormone receptor and its uses, the nucleotide sequence of which is shown in SEQ ID NO.1 or SEQ ID NO.2. This invention utilizes a modified SELEX technique to perform multiple rounds of screening targeting recombinant GHR protein, obtaining specific nucleic acid aptamers with high affinity for GHR (KD values ​​at the micromolar level). In vivo distribution experiments show that the fluorescently labeled aptamer can efficiently and specifically accumulate in white adipose tissue (including inguinal and gonadal fat) at the in vivo level, exhibiting excellent tissue targeting. The nucleic acid aptamer and its derivatives of this invention can be used to prepare drugs or diagnostic reagents targeting adipose tissue, for example, for the prevention or treatment of metabolic diseases such as obesity, type 2 diabetes, fatty liver, hyperlipidemia, or cardiovascular disease.

The invention relates to a novel copper-tellurium alloy for the field of new energy and a low-cost preparation method of the novel copper-tellurium alloy, the copper-tellurium alloy material comprises the following components: 0.2-1.5 wt% of Te, 0.1-0.75 wt% of Ce, 0.09-0.6 wt% of Zr, less than or equal to 0.02 wt% of P and the balance of Cu, and the preparation method comprises smelting, casting, homogenization and combined thermomechanical treatment processes. The Zr element with a specific proportion is added into the alloy, so that Te and Zr are combined to form a primary phase with a smaller radius, the characteristic that a second phase of a traditional copper-tellurium alloy is distributed along crystals is remarkably improved, and the plasticity of the copper-tellurium alloy is greatly improved. By adding the Ce element, the TeZr phase and binding energy can be further reduced, stable distribution of new-phase TeZrCe is promoted, the TeZrCe alloy can be prepared through cold machining deformation, the alloy production efficiency is improved, meanwhile, the alloy preparation cost is greatly reduced, and the good industrialization prospect is achieved.

The utility model discloses a novel high-strength storage tank capable of preventing liquid from shaking, which relates to the technical field of liquid storage equipment and comprises a storage tank body, reinforcing rib groups are distributed on the inner wall of the storage tank body, a plurality of liquid baffles are distributed on the storage tank body, and the peripheries of the liquid baffles are welded with the inner wall of the storage tank body. The distribution density of the reinforcing rib groups at the joints of the liquid baffles is lower than that of other areas, flow guide holes are formed in the plate surfaces of the liquid baffles and distributed from the edges to the centers of the plate surfaces of the liquid baffles, and the flow guide holes in the plate surfaces of the adjacent liquid baffles are arranged in a staggered mode. The liquid baffles can block and slow flow of most liquid, the flow guide holes in the plate faces of the adjacent liquid baffles are staggered, the liquid can be prevented from passing through the multiple liquid baffles at a time under impact, the impact resistance of the device is improved, and damage to a storage box and other parts due to liquid shaking caused by sudden acceleration is prevented; the storage tank can effectively reduce damage to the storage tank and other parts caused by liquid shaking, and has the advantages of low cost, light weight and high strength.

This invention provides a pharmaceutical composition for the prevention or treatment of atrial fibrillation and its application. Composed of herbs such as Astragalus membranaceus and Angelica sinensis, this invention is based on the theory of collaterals and the principle of invigorating qi and lifting sunken qi, guided by the theory of collaterals. It uses warming and dispersing wind-dispelling herbs as adjuvants, supplemented with herbs that promote blood circulation and remove blood stasis, and regulate qi flow. The entire formula has the effects of tonifying and lifting, nourishing the collaterals, and extinguishing internal and external wind.

The invention discloses a full-nutrient formula mousse product special for tumor patients and a preparation method, and relates to the technical field of full-nutrient mousse, and the preparation method comprises the following steps: preparing lipidosome coated with nutrients, preparing nanoparticles coated with trace elements, modifying the surfaces of the lipidosome and the nanoparticles with a targeting substance, and preparing the full-nutrient formula mousse product. All the raw materials are mixed to prepare the full-nutrient mousse, and the full-nutrient mousse has the advantages that some nutrients which have an auxiliary effect on tumor treatment but are poor in stability or difficult to absorb in gastrointestinal tracts are wrapped in nano-particles through a nanotechnology; the surface of the nano-particles is modified with a targeting substance which can be specifically recognized and taken by tumor tissues or immune cells, so that the concentration of the nutrients in a tumor microenvironment or an immune regulation site is improved, the action effect of the nutrients is enhanced, vitamin C is prepared into a nano-liposome wrapped form and is added into mousse, and the mousse has the effect of improving the tumor microenvironment or immune regulation site. Liposome can protect vitamin C from being damaged by gastric acid and enable the vitamin C to be more effectively absorbed by intestinal tracts.

The utility model relates to an artificial stone plate and vein preparation combined equipment, which comprises a fragmentation and arrangement unit, a coloring unit, a calendering unit and a supporting unit, the supporting unit comprises a conveying structure and a rigid supporting structure, and the fragmentation and arrangement unit comprises a conveying structure and a rigid supporting structure. The material distributing device is used for forming irregular fragments with required sizes and distributing or placing the irregular fragments according to a preset mode; the coloring unit is used for adding an additional mixture at a preset position of the fragments and / or along a preset track; and the calendaring unit is used for enabling the fragments and the additional mixture on the fragments to be deformed and connected into a flat plate with required veins through extrusion or calendaring. The equipment disclosed by the utility model does not need high investment, and an artificial stone plate which is more in line with aesthetic standards of modern people can be prepared by a relatively convenient process and has more natural continuous long veins.