87results about How to "Avoid absorption" patented technology

The remediation method for the moderately and severely cadmium-polluted rice field aims at strictly controlled cadmium-polluted rice fields, and is divided into two stages of strict control and safe utilization for remediation. In the strict management and control stage, an activating agent is applied to the soil in spring, then microalgae are inoculated, cadmium-enriched plants are planted, the plants are collected after being full of the microalgae, the plants are harvested when the plants grow to the enrichment extreme value, stubbles are reserved for growth, and the steps are repeated till winter; applying an activating agent in winter, planting green manure, and harvesting in spring in the next year; the process is cyclically carried out until the cadmium content of the soil is reduced to a safe utilization level. Entering a safe utilization stage, applying an activating agent in spring, inoculating nitrogen-fixing cyanobacteria, collecting the cyanobacteria after the cyanobacteria overgrow, and repeating the steps until the rice seedlings are transplanted; applying nitrogen-fixing blue-green algae, and planting rice; applying an activating agent after rice harvesting, planting winter green manure, and harvesting in next spring; the process is cyclically carried out until the cadmium content of the soil is reduced to a preferential protection level. The method is low in cost, high in remediation efficiency and good in effect, and a new way is provided for cadmium-polluted rice field remediation.

The utility model discloses a TOPCon solar cell structure, which relates to the field of solar cells and sequentially comprises a first silver electrode, a first antireflection film layer, a boron doping layer, a silicon substrate, a tunneling layer and a polycrystalline silicon doping layer in a single direction, and further comprises a second antireflection film layer, a diffusion barrier layer and a second silver electrode. One grid line of the diffusion barrier layer is arranged between two adjacent grid lines of the second antireflection film layer, and the grid line of the second silver electrode is located on the grid line of the diffusion barrier layer; a titanium nitride layer TiN or a titanium oxynitride layer TiON is deposited between the polycrystalline silicon layer and the metal electrode to serve as a diffusion barrier layer, and the second silver electrode is of a grid line structure instead of full coverage; according to the structure, the characteristics of high conductivity and electron selective transmission of titanium nitride or titanium oxynitride are utilized, so that electrons have low resistance during transmission, and electron collection is facilitated. And by adopting a grid line structure, the absorption of titanium nitride or titanium oxynitride on long-wave-band light is effectively avoided, and the double-sided topcon battery is very suitable for the existing double-sided topcon battery.

The invention discloses a fireproof flame-retardant spinning yarn and a preparation method thereof, and relates to the technical field of spinning yarns. When the fireproof flame-retardant spinning yarn is prepared, benzyl benzoate is used as a core material, chitosan is used as a wall material, and pentenedialdehyde is used as a cross-linking agent to prepare an anti-mite microcapsule; carrying out condensation polymerization on ethylene glycol, a hydroxyl-terminated siloxane oligomer, the functionalized DOPO and dimethyl terephthalate to prepare functionalized polyester; the functional polyester and the anti-mite microcapsules are prepared into a spinning solution, and the polyester fiber is prepared through electrostatic spinning; reacting cotton fibers with maleic anhydride and o-phenylenediamine in sequence to obtain modified cotton fibers; polyester fibers and modified cotton fibers are blended in a spinning machine to prepare blended yarns, and the blended yarns are post-treated with chloroplatinic acid to prepare the fireproof flame-retardant spun yarns. The fireproof flame-retardant spinning yarn prepared by the invention has excellent anti-mite, flame-retardant and mechanical properties.

The invention discloses a raspberry homogeneous polysaccharide. The monosaccharide components of the raspberry homogeneous polysaccharide comprise fucose, rhamnose, arabinose, galactose, xylose, galacturonic acid, glucuronic acid and apiose. The main chain structure of the raspberry homogeneous polysaccharide is 1, 4-linked galacturonic acid pyranose, and the weight-average molecular weight of the raspberry homogeneous polysaccharide is 8.54 + / -5.0 kDa. The invention discloses a raspberry homogeneous polysaccharide component for inhibiting dietary oil absorption and preventing and improving obesity, which is prepared by the steps of water extraction and alcohol precipitation, ion exchange chromatographic column elution and permeation gel chromatographic column elution. The structure of the compound is analyzed by high performance gel permeation chromatography, infrared spectroscopy, ion chromatography, gas chromatography-mass spectrometry and nuclear magnetic resonance spectroscopy. The homogeneous polysaccharide component can be used for improving obesity and fat tissue accumulation hypertrophy, and the efficacy of the homogeneous polysaccharide component is related to inhibition of absorption of dietary oil in the intestinal tract and promotion of discharge of the dietary oil into the body.

The invention discloses a fluorescent probe for determining the sol crystallinity of hydrotalcite colloid based on pi-pi accumulation regulated fluorescence and a preparation method of the fluorescent probe. According to the invention, an imidazole-anchored naphthalene diamine (IANA) fluorophore with a planar naphthyl motif is used as a fluorescent probe. Wherein an imidazole group has relatively strong binding capacity to transition divalent metal ions, and ordered arrangement of IANA is enhanced after transition metal and imidazole are coordinated, so that face-to-face pi-pi accumulation of a planar naphthyl motif is facilitated, absorption of ultraviolet light is inhibited, and fluorescence quenching is further caused. However, the internal structure orderliness and spatial atom arrangement of materials with different crystallinity degrees are different, so that the arrangement orderliness of IANA is different, the quenching degree of a probe is influenced, and the crystallinity degree can be measured through the quenching degree. According to the method, the sol crystallinity of the hydrotalcite colloid is determined through pi-pi accumulation regulated fluorescence, and a new way is opened up for exploring an alternative scheme of X-ray diffraction.

The invention provides a USP9X protein allosteric activator T7150 and application of the USP9X protein allosteric activator T7150. It is found for the first time that T7150 induces allosteric deubiquitination enzyme USP9X, enhances the activity of the deubiquitination enzyme USP9X, meanwhile, it is found that T7150 inhibits absorption of macrophages to ox-LDL and reduces formation of foam cells, it is indicated that T7150 can prevent formation of foam cells, and therefore T7150 can be used for inhibiting the progress of atherosclerotic plates. On the other hand, the invention also finds that the T7150 obviously reduces lipid deposition in atherosclerotic plaques and obviously reduces the lipid content in the plaques, which also shows that the T7150 can effectively inhibit the progress of atherosclerosis.

The invention belongs to the technical field of selenium-rich blueberry planting, and particularly relates to a selenium-rich blueberry cultivation method which comprises the following steps: S1, selecting a proper variety according to climate conditions of a planting field; s2, selecting a place with loose soil, rich organic matters and good drainage for planting; s3, the selected soil is subjected to impurity removal, and meanwhile protection facilities are built around the soil; s4, planting pre-selected high-quality nursery stocks in the planting furrows or holes between autumn without drought in winter and early spring germination; the invention innovatively proposes that in the early stage, the middle stage and the later stage of selenium-rich blueberry growth, the selenium absorption of blueberry leaves is realized by accurately spraying an inorganic selenium solution. And the cost is low. Meanwhile, the selenium content of the blueberries is rapidly increased. According to the method, the problems of enrichment nonuniformity and low absorptivity possibly caused by soil selenium application are solved. Therefore, the selenium content of the selenium-rich blueberries is greatly increased, and the overall quality and yield of the blueberries are remarkably improved.

The invention belongs to the technical field of biological medicines, and particularly provides application of Schwann cell exosomes in preparation of medicines for treating osteoporosis. An exosome derived from Schwann cells is prepared, and the inhibition effect of SC-EXO on osteoclasts is proved through TRAP staining, immunofluorescence, bone resorption, RT-qPCR and other experiments on the cell molecule level; meanwhile, the effect of SC-EXO on reduction of bone loss of ovarian extirpation mice is determined through in-vivo experiments. According to the invention, osteoclast formation and bone resorption capability can be inhibited, bone loss of OVX mice can be reduced in vivo, and the compound can be used for treating osteoporosis and other related diseases.

The invention discloses a production process of anti-hair loss baked grain, which relates to the technical field of baked grain production, comprising 65% chicken, 20% salmon meat, 3% chicken liver, 3% chicken heart, 2% deep-sea fish oil, 2% Antarctic krill oil, brewer's yeast powder, 1% chicken fat, mixed fruit and vegetable powder, cellulose, yucca powder; additive composition: 0.3% manno-oligosaccharide, 0.3% xylo-oligosaccharide, egg yolk lecithin, calcium hydrogen phosphate, serine, sodium hyaluronate for pets, taurine, lysine, methionine, tyrosine, glutamine, chloride Choline, vitamin A, vitamin D3, vitamin E, niacinamide, D-calcium pantothenate, vitamin B1, vitamin B2, vitamin B6, vitamin B12, folic acid, biotin, protein zinc, protein iron, protein copper, protein manganese, rosemary extract, tea polyphenols, S1, raw and auxiliary materials collection: S2, meat paste enzymatic hydrolysis, add the minced material into the enzymatic hydrolysis tank, the enzymatic hydrolysis time is one hour, the temperature is 50°-60°, after reaching the specified time, the temperature is raised to inactivate the enzyme, and the material is discharged at the lower temperature. The present invention has the characteristics of high process integration.

The throat vibration device comprises a first box body, a vibration reduction body, a contact body, a piezoelectric ceramic buzzing piece and a first control panel, the first box body comprises a first side bottom shell and a first side face shell which are connected, the first side bottom shell is provided with a first protruding part protruding towards the inner side, and the end face of the first protruding part is provided with a first installation groove; the vibration reduction body is mounted in the first mounting groove, the vibration reduction body comprises a bottom plate and a surrounding wall arranged around the bottom plate, and a second mounting groove is defined by the surrounding wall and the bottom plate; the contact body is provided with a skin contact surface, and the contact body is mounted in the second mounting groove; the piezoelectric ceramic buzzing piece is arranged in the contact body and is close to the skin contact surface; the first control panel is arranged in the first box body and electrically connected with the piezoelectric ceramic buzzing piece. The first control panel is provided with a first Bluetooth transmission module and an electrical connection port exposed out of the first box body. The throat vibration device is novel in structure, high in sensitivity and high in wind noise resistance.

The utility model discloses a display substrate and a display device. The display substrate comprises a substrate; the driving layer is positioned on one side of the substrate and is provided with a plurality of conductive bonding pads; the light absorption layer is located on the side, away from the substrate, of the driving layer, the orthographic projection of the light absorption layer on the substrate and the orthographic projection of the driving layer on the substrate are overlapped, the light absorption layer is provided with a plurality of first via holes corresponding to the plurality of conductive bonding pads, and the orthographic projection of the first via holes on the substrate and the orthographic projection of the corresponding conductive bonding pads on the substrate are overlapped; the light-emitting units are located on the side, away from the substrate, of the light absorption layer and electrically connected with at least part of the conductive bonding pads through the first via holes; the display substrate further comprises a light transmitting layer and a base material layer which are located on the side, away from the substrate, of the light absorbing layer and sequentially arranged in a stacked mode, the light transmitting layer and the base material layer are continuously distributed film layers, and the light transmitting layer is located between the adjacent light emitting units and located on the side, away from the substrate, of the light emitting units. The display substrate has low reflectivity and high transmittance at the same time, and the application scene is wider.

The invention discloses a dietary fiber composite solid food and a preparation method thereof, and belongs to the technical field of food, the dietary fiber composite solid food comprises the following raw materials by weight: 1-6 parts of water soluble fiber, 4-15 parts of insoluble water fiber, 1-9 parts of a white kidney bean extract, and 2.8-15 parts of a flavoring agent. The dietary fiber composite solid food disclosed by the invention can relax bowel, improve the internal environment of the intestinal tract and assist the health of the intestinal tract environment, and the insoluble water fibers enter the intestinal tract to coat redundant stool or faeces in the intestinal tract, increase the peristalsis speed of the intestinal tract and enable the stool or faeces to be discharged out of the body, so that the digestive function of the intestinal tract is improved, and the dietary fiber composite solid food can effectively assist in keeping the health of the human body.

The application relates to the technical field of photoelectric materials and scintillators, and particularly discloses an ionic rare earth complex scintillator glass, a low-temperature melting preparation method thereof and application. The low-temperature melting quenching process is developed, the crystalline ionic europium complex is directly melted and rapidly cooled under the condition of no solvent, and the direct preparation of the ionic rare earth complex transparent scintillator glass is realized. The prepared glass scintillator material has high transparency, high luminous efficiency, high rare earth content and excellent processability, and fundamentally eliminates the light scattering caused by particle agglomeration and phase separation in the traditional composite thin film, and breaks through the concentration quenching limitation. The glass scintillator material shows excellent luminous performance under X-ray excitation, and can significantly improve the imaging resolution and detection sensitivity. The application provides a feasible technical path for the development of a new type of rare earth scintillator material, and has important application prospects in the fields of medical imaging, nondestructive testing and high-energy radiation detection.

The present invention discloses an osteoporosis treatment delivery system based on targeted knockdown of circBBS9 in osteoclast precursor cells. The present invention achieves the weakening of osteoclast multinucleation and bone absorption ability and retains osteoclast precursor cell related functions by inhibiting circRNA in osteoclast precursor cells using siRNA. At the same time, the above siRNA is delivered to osteoclast precursor cells in a targeted manner using cell membrane microvesicles homologous to osteoclast precursor cells, achieving the effect of treating osteoporosis, and provides a preparation method and application thereof, which solves the technical difficulty that the existing treatment methods cannot selectively inhibit specific cell stages in the osteoclast lineage.

The present invention provides a refrigeration unit that can achieve the wide range temperature requirements in the refrigerated compartment, including a normal refrigeration unit, an ultra-low temperature auxiliary refrigeration unit and a heat exchanger. The normal refrigeration unit and the ultra-low temperature auxiliary refrigeration unit are respectively equipped with evaporators. The refrigerant after heat release and refrigeration by the condenser in the normal refrigeration unit is output in two ways. The first way is delivered to the first evaporator through the first stop valve and the first thermal expansion valve, and the second way is delivered to the first heat exchange path of the heat exchanger through the second stop valve and the second thermal expansion valve. In the ultra-low temperature auxiliary refrigeration unit, the condenser is replaced by a heat exchanger, and the refrigerant in the ultra-low temperature auxiliary refrigeration unit flows through the second heat exchange path of the heat exchanger to release heat. The unit is equipped with an additional ultra-low temperature auxiliary refrigeration unit and relies on the refrigeration of the normal refrigeration unit for heat dissipation, thereby widening the temperature range of the refrigerated vehicle, playing the role of ultra-low temperature refrigeration under special circumstances, and improving the matching degree of the product to special needs.

This invention belongs to the field of back-contact battery technology, specifically relating to a back-contact battery and its battery assembly with a specific front-side structure. This specific front-side structure includes a tunneling oxide layer and a specifically doped amorphous silicon layer sequentially disposed on the front side of a silicon substrate. Within the specifically doped amorphous silicon layer, a low-doped amorphous silicon layer, a high-doped amorphous silicon layer, and an oxygen-doped amorphous silicon layer are sequentially disposed along the direction away from the tunneling oxide layer. The specifically doped amorphous silicon layer is doped with phosphorus (P) and contains hydrogen (H). The P doping concentration C1 in the low-doped amorphous silicon layer and the P doping concentration C3 in the oxygen-doped amorphous silicon layer are both lower than the P doping concentration C2 in the high-doped amorphous silicon layer. This specific front-side structure enables the back-contact battery to achieve an absorption rate exceeding 85% for incident light within 400 nm. The back-contact battery of this invention maintains good performance even after long-term exposure to ultraviolet light, improving the battery's UV reliability while achieving high transmittance and high battery efficiency.

The present invention relates to a composition for lowering blood sugar, blood lipid and blood pressure and a preparation method thereof, belonging to the field of biotechnology, and the composition comprises a Cyclocarya paliurus flower extract, a chicken heart extract, a mandarin fish head extract and a Gracilaria extract; the Cyclocarya paliurus flower extract is obtained by enzymolysis of Cyclocarya paliurus flower by hemicellulase and bromelain, and then by ficin; the chicken heart extract is obtained by graded enzymolysis of chicken heart by pepsin and subtilisin; the mandarin fish head extract is obtained by fermenting mandarin fish head by Aspergillus niger, and then by trypsin; the Gracilaria extract is obtained by graded enzymolysis of Gracilaria by acid protease and trypsin. The composition has good effects of lowering blood sugar, blood lipid and blood pressure, can be used for preventing and treating cardiovascular and cerebrovascular diseases, softening blood vessels, improving microcirculation, reducing three high symptoms, and has no toxic side effects.

The utility model discloses a self-heating box which is composed of a heating box body, a water cup and an inner box, an air outlet pipe is designed in the inner box, a calcium oxide heating bag is arranged in the heating box body, and a cup bottom air inlet pipe is designed at the bottom of the water cup. The utility model relates to a self-heating box, which mainly solves the problem of providing cheap and convenient food for fast-paced life or travel of people.

The invention discloses a display panel and a preparation method thereof, and a display device. The display panel comprises a driving substrate; the light-emitting elements and the auxiliary structures are located on one side of the driving substrate; the light-emitting element is electrically connected with the driving substrate; a hollow structure is arranged in the auxiliary structure, and the hollow structure surrounds at least partial area of the light-emitting element; the hollow structure comprises a first opening and a second opening, and the second opening is located on the side, away from the driving substrate, of the first opening; in the thickness direction of the display panel, at least part of the edge of the second opening is overlapped with the first opening; and at least part of the first shading structure is located in the hollow structure. By adopting the technical means, the hollow structure is arranged to surround at least part of the area of the light-emitting element, and the second opening is overlapped with the first opening, so that when the hollow structure is filled with the first shading structure, the first shading structure does not climb on the surface of the light-emitting element, and the light-emitting efficiency of the light-emitting element can be further ensured; and the display effect of the display panel can be ensured.

The invention discloses a stem cell-based microvesicle as well as a preparation method and application thereof, belongs to the technical field of biological tissue engineering, and particularly relates to a preparation method of the stem cell-based microvesicle, which comprises the following steps: culturing stem cells until the cell fusion degree is 80-90%, performing hypoxia treatment, and cleaning for 2-3 times; standing and culturing the cleaned stem cells, then adding a calcium ion carrier, and carrying out ultrasonic treatment; the serum-free basic culture medium containing the calcium ion carrier is immediately absorbed and removed, the cells are cleaned through PBS, culture is conducted for 24 h, and cell supernatant is collected and merged respectively; performing first centrifugation to remove cell debris; performing second centrifugation to remove dead cells and large cell debris; carrying out third centrifugation to remove organelles; fourth centrifugation is carried out, large vesicles are removed, and a final supernatant is obtained; and filtering and centrifuging to obtain a microvesicle precipitate. The preparation method of the microvesicles aims at systematically improving the yield and biological activity of the stem cell microvesicles through low-oxygen pre-stimulation, ultrasonic-calcium ion carrier synergistic induction and differential centrifugation.

The present invention discloses a process for cultivating old white tea trees under forests, wherein the old white tea tree cultivating component comprises a water tank, wherein a main trunk slot is provided in the water tank so as to penetrate upward and downward and open to the left, wherein a water storage tank for storing water is provided in the arc-shaped inner wall around the main trunk slot, wherein a sleeve block is provided on the lower side of the water tank, wherein a main trunk slot A is provided in the sleeve block so as to penetrate upward and downward and open to the left and is opposite to the main trunk slot, wherein a connecting column is fixedly connected between the right end face of the main trunk slot A and the lower end face of the water tank, and the present example aims to propose a technology for protecting, developing and utilizing old white tea trees and a process flow thereof, and proposes a method in the process of cultivating old tea, which can assist planting management personnel in solving the difficulty of frequent watering and fertilizing in the process of cultivating tea trees under forests under the premise that large-scale transporting equipment cannot be used.

This invention discloses a Chlorella heptapeptide TGPLGSR with multi-target lipid-lowering activity, its preparation method, and its applications. The amino acid sequence of this heptapeptide is Thr-Gly-Pro-Leu-Gly-Ser-Arg. The preparation method includes: performing ultraviolet and electroporation combined mutagenesis on wild-type Chlorella proteoglycans to obtain a high-protein-content mutant algal strain; obtaining algal protein through fermentation and synergistic extraction and purification with alcohols; directionally digesting the protein with alkaline protease, followed by enriching the active peptide components through ultrafiltration and gel chromatography; and finally, screening the heptapeptide using liquid chromatography-mass spectrometry (LC-MS), computer-aided prediction, and molecular docking techniques. This heptapeptide exhibits potent inhibitory activity against pancreatic lipase and can dose-dependently reduce the accumulation of triglycerides and cholesterol in 3T3-L1 cells. Its mechanism involves multiple target pathways, including inhibition of MMP-9, activation of AMPK phosphorylation, and downregulation of PNLIP, and it can be used to develop lipid-lowering functional foods or health products.

A display device according to one aspect of this disclosure includes: a substrate including a plurality of sub-pixels; a plurality of transistors disposed on the substrate; a plurality of reflective electrodes disposed on the transistors; a plurality of bonding layers bonded to some of the reflective electrodes and comprising a conductive black material; a plurality of light-emitting diodes disposed on the plurality of bonding layers to correspond to the plurality of bonding layers, and comprising a first electrode, a first semiconductor layer, an active layer, a second semiconductor layer, and a second electrode; and a plurality of reflective layers disposed on the plurality of bonding layers, electrically connected to the plurality of reflective electrodes respectively, and in contact with the plurality of light-emitting diodes. Therefore, the absorption of light emitted from the light-emitting diodes by the bonding layers is suppressed, and the light extraction efficiency can be improved.

The invention discloses a particle sorting micro-fluidic chip integrated with a piezoelectric actuator and a use method of the particle sorting micro-fluidic chip, and relates to the technical field of micro-fluidic sorting. The device comprises a particle inlet, a jet liquid inlet, two sorting outlets, a sorting area and a piezoelectric actuator. The jet flow cavity is in fluid communication with the sorting area, and a jet flow outlet of the jet flow cavity is located at the highest gravity position, so that gas in the jet flow cavity can be discharged through the jet flow outlet under the action of gravity. According to the invention, the chip is vertically or obliquely placed, so that the jet flow outlet is located at a functional position which is beneficial to natural gathering and discharging of gas under the action of gravity, and bubbles in the cavity are naturally discharged by utilizing the gravity. The jet flow actuating efficiency is improved, the sorting process has higher tolerance to the initial transverse position, the arrival time sequence and the size fluctuation of the particles, and stable and high-purity particle sorting can be achieved without depending on the high-precision pre-alignment condition.

A photosensitive power supply module supplies power to an electric telescopic rod when monitoring that the illumination intensity on the water surface reaches a preset threshold value, the electric telescopic rod stretches and retracts in a reciprocating mode to drive artificial aquatic plants to periodically immerse into the water surface or emerge from the water surface during power supply, and in the immersion process, the electric telescopic rod drives the artificial aquatic plants to float out of the water surface; the surface of the artificial aquatic plant adsorbs pollutants in a water area, and in the floating process, the photocatalytic composite film can perform photocatalytic decontamination on the adsorbed pollutants under natural illumination; the photosensitive power supply module supplies power to the light-emitting assembly when monitoring that the illumination intensity on the water surface is lower than a preset threshold value, the electric telescopic rod is kept in an extension or compression state to drive the artificial aquatic plants to be immersed into the water surface, and the light-emitting assembly conducts close-range illumination on the photocatalytic composite film. The photocatalytic composite film can perform photocatalytic removal on pollutants in water under the condition of no light or weak light, so that all-day and all-time effective photocatalytic decontamination is realized.

The invention belongs to the technical field of functional microorganism application, and particularly relates to a novel lipid-lowering peptide derived from a probiotic thallus and application thereof, the novel lipid-lowering peptide is a crushed substance derived from a probiotic lactobacillus plantarum thallus, and the molecular weight of the novel lipid-lowering peptide is less than 3kDa. And two key polypeptides APGFGDR (AP7) and TESGAFGR (TE8) are identified from the components, and can specifically inhibit the activities of pancreatic lipase and pancreatic cholesterol esterase. The extracted thallus peptide can be efficiently combined with cholate to inhibit the formation of cholesterol micelles, and has a remarkable inhibiting effect on pancreatic lipase and pancreatic cholesterol esterase. Animal experiments show that the mycopeptide can effectively improve lipid metabolism disorder induced by high fat diet, inhibit weight gain, reduce serum and liver lipid levels and relieve fatty degeneration and inflammation of the liver. The lipid-lowering peptide disclosed by the invention is high in safety and multi-target in action, and can be used for preparing functional products for preventing or treating metabolic diseases such as obesity, hyperlipidemia and the like.

The present invention provides a solid fuel production system having a sewage sludge solid fuel deodorizing heat treatment device, including a mixer mixing sludge or an additive to produce a first mixture; a first dryer performing first drying in such a manner that the first mixture supplied from the mixer reaches a first moisture content; a second dryer producing a dried mixture of a second moisture content by heating and drying the first mixture of the first moisture content; a former molding the dried mixture by pressure molding; and a heat treatment device performing heat treatment on the solid fuel put into the inside after molding is completed to remove odor generated from the solid fuel molded in the former.

The present invention discloses a semiconductor photodetector chip and a preparation method thereof, comprising at least one photodetector unit, each photodetector unit comprising an optical coupler, a coupled optical waveguide and a micro-ring structure semiconductor lateral avalanche photodetector, the micro-ring structure semiconductor lateral avalanche photodetector comprising a silicon substrate, a silicon oxide layer, an anode contact region, a first P-type region, a ridge waveguide absorption region, a second P-type region, an avalanche region, an N-type region and a cathode contact region. The present invention is suitable for detecting and imaging weak light signals under very low absorption coefficients, and the use of a micro-ring structure does not increase the size of the device, thereby solving the problems of low detection rate and low operating speed in the prior art under weak light signals.

The utility model relates to the technical field of lithium battery positive electrode materials, and discloses a pretreatment sagger and sintering equipment. The lithium layer is arranged at the bottom of the sagger body and is suitable for preventing lithium from being absorbed by the sagger body in the sintering process; the lithium layer is composed of one of lithium carbonate, lithium hydroxide or lithium oxide and is fixed to the bottom of the sagger body. The sintering equipment comprises a sintering furnace; the saggar bearing frame is arranged in the sintering furnace and used for fixing and arranging the multiple pretreatment saggars. The gas circulation system is used for introducing inert gas or reducing gas into the furnace in the sintering process so as to prevent lithium from being oxidized. The lithium layer can reduce direct contact between the sagger body and lithium, so that corrosion and abrasion of the sagger are reduced, and the service life of the sagger is prolonged.

The application relates to a cleaning device. The cleaning device comprises a frame, a cleaning assembly, a hand lever assembly, a water injection assembly and a switch assembly. The cleaning assembly comprises a cleaning roller which is rotatably connected to the frame. The hand lever assembly is connected to one end of the frame which is away from the cleaning assembly. The water injection assembly comprises a water tank and a hose. The water tank is mounted on the hand lever assembly. One end of the hose is connected to the water tank. The hose is partially arranged in the hand lever assembly and partially arranged in the frame, so that one end of the hose which is away from the water tank can inject water into the cleaning roller. The switch assembly is at least partially mounted on the hand lever assembly to realize the conduction or blockage of the hose.