32results about How to "Less reduction" patented technology

A phosphor for absorbing light in a region from ultraviolet to visible light and emitting light whose emission peak wavelength being in a range of 600 nm to 650 nm, represented by general formula shown below, and having a difference between the emission peak wavelength and a half width being larger than 543 nm.

Sr_tCa_vEu_wAl_xSi_yN_z

• • (in which, 0.5≦t<1, 0<v≦0.5, 0.01<w≦0.03, t+v+w<1, 0.90≦x≦1.1, 0.90≦y≦1.1, 2.5≦z≦3.5)

The invention provides a a luminescent material comprising particles of UV-luminescent material having a coating, wherein the coating (a “multi-layer coating”) comprises a first coating layer and a second coating layer, wherein the first coating layer is between the luminescent material and the second coating layer, and wherein in a specific embodiment the second coating layer comprises an alkaline earth oxide, especially MgO. Further, the invention provides a lighting unit comprising such luminescent material.

Genetically modified lactic acid bacteria having a reduced or lacking or enhanced diacetyl reductase activity, acetoin reductase activity and/or butanediol dehydrogenase activity are provided. Such bacteria are used in starter cultures in the production of food products including dairy products where it is desired to have a high content of diacetyl and for reducing or completely removing diacetyl in beverages including beers, fruit juices and certain types of wine, where the presence of diacetyl is undesired.

A heat-sensitive recording material has a support, and a heat-sensitive recording layer including at least a leuco dye, a developer and a binder. The heat-sensitive recording layer contains secondary particles with an average particle diameter of 30 to 900 nm formed by aggregation of primary particles of amorphous silica with a particle diameter of at least 3 nm and less than 30 nm, and optionally a basic pigment. A protective layer may be formed on the heat-sensitive recording layer.

The invention relates to a fan, particularly a radial fan, having a fan hub with a rotational axis. A plurality of fan blades is disposed about the rotational axis for deflecting an air flow. The invention provides that an adjustment device is provided at the fan blades for the rotational speed-dependant adjustment of an air flow.

The invention discloses a low-cost wall brick, belonging to the technical field of building materials. The low-cost wall brick is prepared from the following raw materials: 20-30 parts by weight of cinder, 35-45 parts by weight of construction waste soil, 25-28 parts by weight of grinding wheel ash, 3-5 parts by weight of straw, 5-10 parts by weight of limestone, 1-2 parts by weight of vermiculite and 80-90 parts by weight of river water; the low-cost wall brick is prepared by the steps of pre-activating, crushing, aging in a sealing way, making adobe, drying and sintering. The low-cost wall brick is scientific in material selection and fully utilizes industrial construction waste, thus reducing the production cost and increasing the enterprise profit; a preparation method of the low-cost wall brick is advanced, and improves the activity and adhesiveness of raw materials through a pre-activating method so as to enable the raw materials to be blended together closely; therefore, the low-cost wall brick is close in texture, non-powdered, high in compressive strength and wear resistance and good in anti-cracking performance, can be used for a long time in a low-temperature environment, and is long in service life, wide in use and strong in adaptability to construction.

Various embodiments disclosed related to methods, compositions, and systems for treatment of a subterranean formation. In various embodiments, the present invention provides a method of treating a subterranean formation. The method can include obtaining or providing a composition including a crosslinkable viscosifier polymer. The crosslinkable viscosifier polymer can include an ethylene repeating unit including a —C(O)NH₂ group and an ethylene repeating unit including an —S(O)₂OR¹ group, wherein the repeating units are in block, alternate, or random configuration. At each occurrence R¹ can be independently selected from the group consisting of —H and a counterion. The composition can also include at least one crosslinker. The method also includes placing the composition in a subterranean formation downhole.

The present invention relates to a thermosetting composition for the manufacture of an ophthalmic lens which efficiently absorbs light rays without degradation of the light-absorbing additive, said composition comprising an allyl monomer or oligomer, a catalyst, at least one light-absorbing additive contained in nanoparticles which are dispersed in said allyl monomer or allyl oligomer. The present invention also relates to the use of said composition and to the ophthalmic lens obtained from said composition.

The invention discloses a grinding wheel ash hollow brick. The grinding wheel ash hollow brick comprises, by weight, 15-20 parts of grinding wheel ash, 30-40 parts of river silt, 25-30 parts of coal cinder, 90-105 parts of water, 20-30 parts of montmorillonite, 35-40 parts of basalt, 2-5 parts of wood chip, 1-3 parts of polystyrene beads and 2-5 parts of quicklime, and is produced through the steps of pre-activating, crushing, sealed aging, green body making, drying, sintering and the like. Industrial construction waste is fully utilized, production cost is lowered, corporate profit is increased, the production method is advanced, raw material activity and adhesiveness are improved by means of pre-activating, the raw materials are closely fused together, and the grinding wheel ash hollow brick is compact in texture, non-chalking, high in compressive strength and wear resistance, good in cracking resistance, long in service life, wide in application, high in construction adaptability and capable of being used for a long time under the condition of low temperature.

The present invention provides an adhesive composition which has a cured product exhibiting high transparency and a high refractive index, and which has high adhesive strength and experiences little reduction in the adhesive strength, even when exposed to high temperatures. In order to achieve the above the adhesive composition includes: (1) a hydrocarbon polymer having a total light transmittance of visible light, as measured according to JIS K7361-1, of at least 80%; (2) at least one kind of (meth)acrylic monomer selected from a mono(meth)acrylic monomer having one (meth)acrylic group in a molecule and a di(meth)acrylic monomer having two (meth)acrylic groups in a molecule; and (3) a photoinitiator; wherein 30-190 parts by weight of component (2) are included relative to 100 parts by weight of component (1).

Various embodiments disclosed related to methods, compositions, and systems for treating a subterranean formation including a viscosifier polymer. In various embodiments, the present invention provides a method of treating a subterranean formation that can include obtaining or providing a composition including a viscosifier polymer. The viscosifier polymer includes an ethylene repeating unit including a —C(O)NH2 group and an ethylene repeating unit including an —S(O)2OR1 group, wherein the repeating units are in block, alternate, or random configuration. At each occurrence R1 is independently selected from the group consisting of —H and a counterion. The method can also include placing the composition in a subterranean formation downhole.

The invention relates to an efficient bleaching and dyeing technology of cheese. The technology concretely comprises the following steps: 1, carrying out a rapid oxygen bleaching brightening bath process: draining water, carrying out hot water washing at 60DEG C for 10min, carrying out cold water washing for 10min, and carrying out softening treatment by using an anion softener 307 at 40DEG C for 20min; 2, carrying out a dyed yarn pretreatment process: draining water, pickling by using 0.8% acetate acid gracial at 60DEG C for 10min, carrying out hot water washing at 80-90DEG C for 10min, carrying out cold water washing, deoxidizing at 50DEG C for 15min, and dyeing; and 3, carrying out a short flow technology, wherein a formula comprises 1% of a chelating agent SNS, 2.5% of a rapid oxygen bleaching agent BLG, and 4% of hydrogen peroxide. The pretreatment process saves time and energy; the cheese short flow process and the rapid oxygen bleaching process are simple, short and cheap. The technology has the advantages of less weight loss, less strength reduction, good handle of obtained cheese, simplified operation and clean production.

The grain boundary diffusion method comprises the steps that the surface of an R-T-B magnet base body is covered with a diffusion source, the diffusion source is heavy rare earth, and the mass of the diffusion source is 0.2%-4% of the mass of the magnet base body; the magnet covered with the diffusion source is subjected to grain boundary diffusion treatment, the diffusion temperature ranges from 800 DEG C to 1000 DEG C, the diffusion time ranges from 1 h to 48 h, and within 1 h to 3 h before diffusion, the absolute vacuum degree is adjusted to be 1.0 * 10 <-3 > Pa to 4.6 * 10 <-3 > Pa; and then the absolute vacuum degree is adjusted to be low vacuum between 3.6 kpa and 7.6 kpa, after grain boundary diffusion, cooling is conducted to the room temperature, then heating is conducted, tempering treatment is conducted, and the R-T-B magnet subjected to grain boundary diffusion is obtained. The Hcj of the magnet can be improved, and the residual magnetism reduction amount can be reduced.