357results 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 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 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 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 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 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 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.

Gas-barrier multilayer structures and gas-barrier shaped articles are sufficiently prevented from clouding even when exposed to cold water at 30° C. or below and have excellent gas barrier properties. Processes for producing such gas-barrier multilayer structures, and coating liquids (A) of excellent coating properties that are used to produce the multilayer structures are also provided. A coating liquid (A) includes a solvent mixture of water and an organic solvent and a polycarboxylic acid polymer partially neutralized with a polyvalent metal wherein the polymer is both dissolved and dispersed as particles in the solvent mixture and wherein the particles dispersed account for 5 to 80 wt % of 100 wt % of the polycarboxylic acid polymer partially neutralized with a polyvalent metal.