360results about How to "Avoid turbidity" patented technology

An accommodative intraocular lens is disclosed. The lens provides multiple focuses as the result of a bi-directional shift along the eye's optical axis, and also minimizes or prevents posterior chamber opacification. The lens includes a first component which consists of an optical body and a haptic body, a second component which is structurally adapted to maintain substantial contact with the posterior surface of the capsular bag of the eye (when implanted in the eye), and a transition zone connecting the first and second components. The method of implanting the lens in the eye and the method of making the lens are also disclosed.

The present invention relates to methods and apparatus for preventing or treating posterior capsular opacification in a subject in need of prophylaxis or treatment for posterior capsular opacification, including a subject undergoing cataract surgery by ablating epithelial cells on an interior surface of the lens capsule with a multi-photon laser system.

An encapsulant for a photovoltaic module, which may inhibit the encapsulant from clouding when a hot spot phenomenon is caused. The encapsulant for a photovoltaic module includes: a resin for an encapsulant containing a silane-modified resin obtained by polymerizing an ethylenically unsaturated silane compound and polyethylene for a light stabilizer, a thermal stabilizer and polyethylene for use in a mater batch. The polyethylene for polymerization and the polyethylene for use in a master batch are metallocene based linear low density polyethylene having a density in the range of 0.895 g / cm3 to 0.910 g / cm3.

The invention provides a remote operated vehicle for subsea pipeline detection. The remote operated vehicle for subsea pipeline detection mainly aims to solve the problem that a traditional ROV provided with a cable is prone to being influenced by an ocean current and subsea complicated environments. The remote operated vehicle for subsea pipeline detection is characterized by comprising a ROV body, a pipeline clamping and walking device and a detecting device. The ROV body is used as a carrier to provide power for a pipeline clamping device and walking devices and mainly comprises a carrier frame, mechanical arms, vertical propellers, horizontal propellers, a buoyancy module, a pressure-proof bin, a pan-tilt and a hydraulic oil tank. The pipeline clamping and walking device is mainly used for clamping a pipeline so as to ensure that inwards-recessed wheels are tightly attached to the pipeline for walking. The dimension of the pipeline clamping device can be adjusted so that the pipeline clamping device can be suitable for pipelines of different diameters. The detecting device completes comprehensive detection of the subsea pipeline through various sensors and multiple kinds of detecting equipment with a supporting ship as an operation platform. By the adoption of the remote operated vehicle for subsea pipeline detection, the problems that the ocean current influences the measurement stability, and the surrounds are damaged when propellers of the traditional ROV operates can be relieved.

A curable composition is provided. A cured product showing excellent light extraction efficiency, crack resistance, hardness, thermal shock resistance and adhesive strength after a curing, as well as showing excellent processability and workability is provided. Also, surface stickiness may be prevented in the cured product without causing turbidity etc.

An object of the present invention is to provide better formulations of a latanoprost ophthalmic solution. The present invention provides a clear ophthalmic solution comprising latanoprost as an active ingredient and benzalkonium chloride as a preservative wherein white turbidity due to a change of formulation is prevented by at least one means selected from the following 1) to 3); 1) adding a surfactant, 2) using benzalkonium chloride represented by the formula of [C6H5CH2N(CH3)2R]Cl (wherein R is alkyl having 12 carbon atoms) as the preservative and 3) adding a nonionic tonicity agent as a tonicity agent.

The invention provides Chinese wolfberry juice and a preparation method thereof. The preparation method comprises the following steps: (1) washing fresh Chinese wolfberry fruits with water; (2) smashing the fresh Chinese wolfberry fruits in the step (1) into mashed fruit; (3) adding color protecting agent and stirring; (4) squeezing the product in the step (3) and collecting the juice; (5) filtering and removing large particles with the particle diameter of more than 0.2mm; (6) adding amylase or pectinase into the juice in the step (5); (7) separating enzyme digestion by an ultrafiltration membrane; and (8) concentrating the ultrafiltration product until the sugar degree is 13-70 percent, sterilizing to obtain the product; or sterilizing the ultrafiltration product to obtain the product. The obtained Chinese wolfberry juice is transparent and clear and can be used for preparing beverage. As the amylase or the pectinase is added in the preparation, precipitation or turbidity of the juice can be avoided, and simultaneously, the juice yield is increased.

The invention relates to the technical field of food and in particular relates to buckwheat tea which has a synergism effect and a function of improving the taste. The buckwheat tea is prepared from the following raw materials in percentage by weight: buckwheat, fructus lycii, semen cassiae, chrysanthemum and green tea according to the ratio of 3:1:1:1:1. A preparation technology comprises the steps of cleaning the buckwheat, steaming the buckwheat until the buckwheat is thoroughly cooked, taking out the buckwheat, and drying, smashing and screening the buckwheat for later use; feeding the fructus lycii, the semen cassiae, the chrysanthemum and the green tea into a decocting pot according to the amounts in the formula, respectively performing water extraction twice, filtering, combining two extracting solutions, and concentrating the combination to obtain clear paste; mixing the clear paste with the buckwheat powder, and performing granulation, drying, frying, dividing and packaging to obtain the buckwheat tea. The buckwheat tea, which is prepared according to the formula and the preparation technology which are disclosed by the invention, achieves a main health-protection effect through the nutritional and active components of the buckwheat; the other four traditional Chinese medicines with homology of medicine and food can achieve synergism on the buckwheat; by virtue of the united effect, the buckwheat tea achieves the effects of reducing the three highs, nourishing and activating the blood, protecting the liver, improving the eyesight and loosening bowel to relieve constipation.

The invention discloses a preparation method for instant tea, which comprises the following steps: taking tea leaves, extracting the tea leaves by adding water, and recondensing a liquid part obtained by solid-liquid separation; adding alkali into the concentrated solution to adjust the pH value to between 8.0 and 11.5, standing the solution, and taking a liquid part through the solid-liquid separation; introducing oxygen into the liquid part for oxidation reaction; and adding acid into an oxidation reaction solution to adjust the pH value to between 5.0 and 9.5, standing the solution, taking a liquid part through the solid-liquid separation, and drying the liquid part to obtain the instant tea. Raw materials of the instant tea can be green tea, Oolong tea or black tea, have rich sources and are easy to acquire. The preparation method adjusts the pH value through basification by adding the alkali, and then introduces the oxygen for oxidation to effectively reduce generation of macromolecular substances in the instant tea, prevent opacity and precipitation and improve the clarity of a tea solution and the coldcut property of instant black tea; and the prepared instant tea can be completely dissolved into water above 5 DEG C, and the tea is clear, transparent and bright and has better mouthfeel. The preparation method has simple process and easy operation, and is suitable for industrial production.

The invention relates to a method of mensurating the content of chrome in tungsten matrix which is added with the chrome and vanadium separately or synchronously. The method is characterized in that a sample is melted by sodium dioxide and is soaked in hot water; meanwhile, the sodium dioxide is also used as oxidant to oxidize the chrome into high valence chrome; ammonium bifluoride is used for complexing main body tungsten and avoiding tungstenic acid cementing out; the whole analysis process avoids the occurrence of precipitation and opacification; titration can be carried out under completely limpid and transparent state; and titration result is exact and reliable. The limpid and transparent solution during the titration is very important to the accuracy of titration analysis. The solution is always limpid and transparent during the whole mensuration process, thereby ensuring that the interference of the vanadium is eliminated exactly and quantitatively when the chrome is mensurated. After the interference of the vanadium is oxidized by potassium permanganate, ferrous ammonium sulphate standard solution is used for titrating to eliminate by a subtraction method. The mensurating method ensures that the mensuration is carried out under the completely limpid and transparent state, and the method eliminates the interference of the vanadium completely and quantitatively and improves the accuracy and the speed for detecting the content of the chrome in the tungsten matrix which is added with the chrome and the vanadium separately or synchronously.

The present invention relates to an optical element comprising: a optical glass made of a phosphate glass or a fluorophosphate glass; and an optically functional film formed on a surface of the optical glass, wherein the optically functional film comprises two or more layers made of different materials, and the outermost surface layer thereof is made of a material(s) having low reactivity with phosphoric acid.

The invention discloses a method for plating silver on the surface of dendritic copper powder and belongs to the technical field of powder surface treatment. The method comprises the following steps: cleaning the dendritic copper powder with diluted acid; preparing a main saline solution and a reducing agent solution; when the copper powder is less than 100g, putting the copper powder into the reducing agent solution, and adding the main saline solution according to a 'quickly adding at first and then slowly adding' stage adding process; when the copper powder is not less than 100g, adding the reducing agent solution into the copper powder in stages and dropwise adding the main saline solution according to the 'quickly adding at first and then slowly adding' stage adding process; every 8-18 minutes, step-by-step uniformly adding the remaining reducing agent solution and dropwise adding the main saline solution according to the 'quickly adding at first and then slowly adding' stage adding process, thereby finishing the process of plating silver on the surface of the copper powder; settling the powder in a plating solution; pouring out the plating solution; washing the powder with deionized water and ethanol and then drying the powder in vacuum, thereby acquiring the silver-plated copper powder. A plated layer of the silver-plated copper powder prepared by using the method is complete, continuous and compact, has better oxidation resistance and contains 17%-30% of silver.

The invention relates to a method for constructing an integrated submarine forest and belongs to the technical field of seabed construction. The method comprises the steps of: 1) selecting and reforming the bottom material of the submarine forest and 2) multiplying large-scale sea-plants, wherein the bottom material of the submarine forest can be divided into three types: ledge substrate, cobble substrate, and sand and mud substrate; the bottom material of the submarine forest is selected and reformed in different manners according to different substrates; transplanting the large-scale sea-plants, such as sea-tangle, undaria pinnitafida, and the like, in the ledge substrate free from alga; transplanting alga by binding a sea-tangle collector after constructing reef on the cobble substrate and sand and mud substrate; and then manually planting and transplanting zostera marina on the sand and mud substrate. The method of the invention is reasonably designed, can efficiently solve the problem of insufficient submarine plants, can bring much more economic benefits to sea area, and can prevent the floated bottom sediment, muddy water and less dead shellfish.

A method for manufacturing the biopolymer panel may include positioning a plurality of biopolymer sheets adjacent to one another, and subjecting them to a laminating temperature that exceeds the glass-transition temperature of the sheets for a time period sufficient to achieve lamination. The laminate panel is then quenched at a quenching temperature that is below the glass-transition temperature. The time period during lamination, as well as any “rest” period between lamination and quenching, is sufficiently short so as to prevent clouding or hazing as a result of crystallization of the biopolymer resin materials. In addition, the panel exhibits sufficient flame retardency to meet applicable building codes, exhibits sufficient impact resistance for use as a decorative or structural panel building material, and exhibits no substantial thermally induced degradation as a result of subjection to the laminating temperature. The panels may be used as decorative or structural building materials.

The invention relates to the field of cutting fluid processing, in particular to a flow-divided cutting fluid filter unit, comprising an enclosure, a filtering mechanism and a cleaning mechanism, wherein the filtering mechanism is located in the enclosure, the cleaning mechanism is located below the filtering mechanism, the upper end of the enclosure is provided with a feed inlet, a flow dividing plate is arranged below the feed inlet, and the lower end face of the flow dividing plate is provided with multiple flow dividing holes; the cleaning mechanism comprises a cleaning groove and a cleaning block, the cleaning block is vertically arranged at the bottom of the cleaning groove, the middle of the cleaning block is provided with a through hole in the horizontal direction, and the upper and lower surfaces of the through hole are oppositely provided with scraping knifes; the filtering mechanism comprises a scraper blade, two rollers, a collecting tank and a filtering net, the two rollers are symmetrically located at two sides in the enclosure, the filtering net comprises a filtering section and a cleaning section, the filtering section is located between the two rollers, the cleaning section passes through the through hole, the cleaning section and the filtering section form a closed annular structure, the collecting tank is located right below the filtering section, the scraper blade is located right above the filtering section, and the lower end face of the scraper blade is clung to the upper surface of the filtering section. By adopting the flow-divided cutting fluid filter unit, the feed inlet can perform flow dividing on cutting fluid, so that the cutting fluid is evenly distributed on the filtering net, and blocking is prevented.

A three-dimensional printing device includes an optical device and a controller that controls the optical device. The controller includes a dividing section that divides an area of a vat that is irradiated with light of a projector into a plurality of blocks, a counting section that counts a number of times of irradiation with light of the projector, a first determination section that determines whether or not the number of times counted by the counting section has reached a predetermined threshold value, a light output section that changes when it is determined by the first determination section that the number of times has reached the predetermined threshold value from a first energy to a second energy lower than the first energy an energy of light to be output from the projector to the photo-curable resin of the block for which determination has been made.

A cover glass includes a chemically strengthened glass including a first main surface having an area of 12,000 mm2 or larger and a second main surface, and an anti-fingerprint treated layer provided on or above the first main surface. The chemically strengthened glass has a depth of compressive stress layer DOL of 20 μm or larger, has a tensile stress layer having a P2O5 content of 2 mol % or less, and has A×B of 135 or larger, provided that, among oxide components constituting the tensile stress layer, a total concentration of Li2, Na2O, and K2O is A mol % and a concentration of Al2O3 is B mol %. The anti-fingerprint treated layer includes a surface having a frictional electrification amount, as determined by Method D described in JIS L1094:2014, of 0 kV or less and −1.5 kV or more.

The present invention relates to a silicone resin. The silicone resin of the present invention can be used to advantage in applications involving the encapsulation of semiconductor elements, such as the light-emitting elements of light-emitting diodes.

A disclosed water quality modified is composed of disodium ethylene diamine tetraacetate, citric acid, potassium monopersulfate triple salt, polyferric sulfate and phytic acid according to a weight ratio. The water quality modifier is good in water solubility, helps to purify water, improve water quality, reduce the mortality and elimination rate and increase breeding income, is widely applicable to modification on poultry and livestock drinking water and aquaculture animal water source.

The invention provides water purifying agent and a preparation method thereof. Firstly, 5-15 percent of fermented bacillus subtilis raw powder is mixed with 10-20 percent of zeolite powder; then the mixture is mixed with 10-20 percent of polyacrylamide and 50-70 percent of polymerized chloride; and finally, the mixture is separated and packaged, and is qualified for warehousing. The water purifying agent fully applies a chemical mode and a biological mode to solve the water turbidity, and the two modes are coordinated with each other, so that the effect is fast and lasting.

The invention relates to a special protein liquid compound quality control serum with high stability for biochemistry, and belongs to the technical field of clinical in-vitro detection. The quality control serum is a compound liquid quality control serum which is mainly prepared from protective substances such as a buffer solution, a metal chelating agent, a surfactant, a protective agent, an ionic equilibrium agent and a preservative, and the quality control serum can detect 12 substances of antistreptococcic O, C reactive protein, a complement C3, a complement C4, IgM, IgA, IgG, prealbumin, rheumatoid factors, transferrin, total protein and albumin. Serving as the quality control serum of the 12 substances, the quality control serum has the advantages of being convenient to use and high in stability.

The polymerizable composition of the present invention contains (A) an alicyclic isocyanate compound (a1) having two or more functional groups and / or an aliphatic isocyanate compound (a2) having two or more functional groups, (B) a thiol compound having one or more sulfide bonds and / or one or more ester bonds and having two or more functional groups, and (C) an imidazole-based curing catalyst, in which the amount of the imidazole-based curing catalyst (C) is 5 ppm to 3,000 ppm with respect to the total amount of the isocyanate compound (A) and the thiol compound (B).

An object of the present invention is to provide: an aqueous metallic paint for automobile interior materials wherein the coating film formed from this paint is not clouded by the aqueous alkali solution; and a coated article with this paint. As a means of achieving this object, an aqueous metallic paint for automobile interior materials, according to the present invention, is a paint comprising a vehicle and a metallic pigment, with the paint being characterized in that the vehicle is an aqueous hydrosol resin formed by hydrosolation of an aqueous acrylic resin having an acid value of 15 to 40 mgKOH / g. In addition, a coated article according to the present invention is coated with the aforementioned aqueous metallic paint according to the present invention for automobile interior materials.

A substrate for film growth of group III nitride, a method of manufacturing the same, and a semiconductor device using the same are provided which can make an AlN thin film relatively thin without cloudiness, as well as cracks and pits are reduced in a group III nitride thin film layer constituting the device grown thereon. A substrate 10 for film growth of group III nitride is constituted which includes a substrate material 11 and an AlN thin film 12 formed on said substrate as a buffer layer, and a semiconductor device comprising group III nitride thin film is formed thereon, and the AlN thin film is formed at plural steps at least one of which changes film growth conditions during the film growth.

The invention relates to water-free laundry detergent. The appearance of the water-free laundry detergent is powder, and the powder is mixed with water to obtain traditional laundry detergent. The water-free laundry detergent is prepared from the following components in parts by weight: 60-90 parts of anionic surfactants, 3-10 parts of nonionic surfactants, 10-30 parts of auxiliaries, 0.1-0.5 part of liquid complex enzyme and 0.1-0.5 part of essence. The powder is mixed with water to obtain the laundry detergent, pH is neutral and mild, the dissolution is quickly and completely carried out, dissolved liquid is limpid and transparent, and the washed fabric is soft and free of residues; and therefore, the laundry detergent has all advantages of the traditional detergent; meanwhile, the laundry detergent is saving in packaging materials, low in production and transportation cost, and convenient and easy to carry.

The spot-eliminating and beautifying aloe skin care includes separately packed medicine powder and aqueous solution. The medicine powder includes freeze dried aloe gel powder, arbutin, vitamin B3, allantoin and sodium bisulfite; and the aqueous solution includes edible alcohol, 1, 3-butanediol, water soluble azone, water soluble red bisabolol and deionized water. The relatively high aloe content makes the present invention possess excellent effects of beautifying and maintaining humidity, eliminating spots, eliminating acne, etc. The recipe of the aqueous solution ensures the good paintingperformance, high salubrious feeling and raised absorption of the skin to the effective components in the medicine powder.

The process for producing an internal mold release agent for an optical material of the present invention includes a step of heating, to a range of 80° C. to 140° C., a composition including (a) a phosphoric ester compound, and (b) an alcohol compound containing an aliphatic alcohol having 1 to 10 carbon atoms and / or aromatic alcohol, when the total amount of (a) and (b) is 100% by weight, the alcohol compound (b) is included in an amount equal to or more than 2.5% by weight.

The invention discloses a manufacturing method of black tea, which comprises four procedures of enzyme deactivation, rolling, pile fermentation, and drying; a heating procedure is added after the rolling procedure and before the pile fermentation procedure; the drying procedure is only performed by equipment indoors. The beneficial effects of the invention are that: 1. in the method, the heating procedure is added before the pile fermentation, which can kill mold in tea so as to play a role in mildew prevention; the method overcomes the defect that the pile fermentation procedure in traditional process is easy to form environment in favor of mold growth and propagation because control conditions such as temperature and time are difficult to grasp accurately, and can eliminate so-called 'stale taste' of black tea, and prevent tea soup turbidity; 2. the drying procedure is limited to be performed indoors, which can prevent the color of tea soup from becoming excessively red or dark due to sunshine, allow the black tea to be naturally purified in storage environment, and finally generate unique tea fragrance and excellent taste.

The invention provides water fertilizing paste for cultivating green algae (chlorellas) in an aquaculture pond. The water fertilizing paste aims to overcome the technical defects that an existing aquaculture pond is polluted in the water fertilizing process, ammonia nitrogen and nitrite are made to exceed standards, and directional water fertilizing cannot be achieved. According to the water fertilizing paste, nutrient substances such as hydrolyzed amino acid, sodium humate, bacterial powder and organic carbon sources are used and mixed to be in a paste shape through reasonable assembly, water fertilizing can be achieved quickly, and the bait biomass of the green algae (chlorellas) in the aquaculture pond is increased. By the adoption of the water fertilizing paste, the technical purposes of clean water fertilizing and directional water fertilizing are achieved.