128results about How to "Reduce formation rate" patented technology

The invention relates to antibodies, antibody fragments and binding agents that specifically recognize oligomeric tau but do not bind to monomelic tau, fibrillar tau or non-disease associated forms of tau.

The present invention relates to the semiconductor device fabrication industry. More particularly a semiconductor device, having an interim reduced-oxygen Cu—Zn alloy thin film (30) electroplated on a blanket Cu surface (20) disposed in a via (6) by electroplating, using an electroplating apparatus, the Cu surface (20) in a unique chemical solution containing salts of Zn and Cu, their complexing agents, a pH adjuster, and surfactants; and annealing the interim electroplated Cu—Zn alloy thin film (30); filling the via (6) with further Cu (26); annealing and planarizing the interconnect structure (35). The reduction of electromigration in copper interconnect lines (35) is achieved by decreasing the drift velocity in the copper line (35) / via (6), thereby decreasing the copper migration rate as well as the void formation rate, by using an interim conformal Cu-rich Cu—Zn alloy thin film (30) electroplated on a Cu surface (20) from a stable chemical solution, and by controlling the Zn-doping thereof, which improves also interconnect reliability and corrosion resistance.

A heart septal defect occluder, its main body is a metal support net with a preset expanded shape. It has a left plate at the front end and a right plate at the rear end. There is a head near the center of the left and right plates to seal the metal support net and connect it with the metal support net. The head is turned up inside the closed metal support net, and the outer surface of the turned-up head has no head and no obvious groove, which is almost flat. There is a layer of outflow blocking film on the outer surface of the left disk or the left and right disks, and the flow blocking film is fixedly connected with the outer surface of the left disk. The invention removes the damage of the head to the surrounding tissues of the heart, reduces the way of affecting blood flow, is beneficial to promote the growth of the endothelium, and reduces the formation rate of thrombus and the release of harmful metal elements. Applicable to congenital heart disease including patent foramen ovale (PFO), patent ductus arteriosus (PDA), atrial septal defect (ASD) and ventricular septal defect (VSD), etc.

The invention relates to an electrode pole piece and an electrochemical device comprising the same. The positive pole piece comprises a positive first region and a positive second region, and the unitarea capacity CsA2 of the positive second region is larger than or equal to the unit area capacity CsA1 of the positive first region. The negative pole piece comprises a negative first region and a negative second region, wherein the unit area capacity CsC2 of the negative second region is smaller than or equal to 98% of the unit area capacity CsC1 of the negative first region. When the positivepole piece and / or the negative pole piece are / or applied to the electrochemical device, the formation of the lithium dendrites can be effectively reduced, and the safety of the electrochemical devicecan be improved.

The invention discloses a local aluminium surface-back-field solar cell. The local aluminium surface-back-field solar cell includes a crystalline silicon wafer, wherein the back surface of the crystalline silicon wafer is provided with a passivation layer and a back electrode; and the front surface of the crystalline silicon wafer is provided with an emitting electrode, an anti-reflection layer and a front electrode. The local aluminium surface-back-field solar cell is characterized in that a laser open hole or open groove is formed in the passivation layer on the back surface of the crystalline silicon wafer; the laser open hole or open groove is provided with a first layer of local back surface aluminium paste covering the laser open hole or open groove; the first layer of local back surface aluminium paste, the front electrode and the back electrode are formed together through sintering; and a second layer of back surface aluminium paste which processed through high temperature is arranged on the first layer of local back surface aluminium paste. The local aluminium surface-back-field solar cell can greatly reduce the voidage of the local aluminium surface-back-field cell through optimization of aluminium paste printing and the sintering technology so as to solve the problem that black points and black lines appear during the electroluminescent process and improve the photoelectric conversion efficiency of the cell. The invention also discloses a preparation method of the local aluminium surface-back-field solar cell.

The application relates to an electrode plate and an electrochemical device comprising the same. The electrode plate has a first region and a second region. The electrode plate comprises a substrate and an electrode active substance applied to at least one surface of the substrate. The charge-discharge thickness difference of the electrode plate in the first region is Delta D1, the charge-discharge thickness difference of the electrode plate in the second region is Delta D2, and Delta D1 is smaller than Delta D2. When the electrode plate of the application is applied to the electrochemical device, the formation of lithium dendrite can be reduced, and the safety of the electrochemical device can be improved.

The present invention provides compounds of Formula (I) that are useful for binding and / or modulating the biological activity of the melanocortin-1 receptor (MC1R). Compounds of this invention can be used to treat diseases and / or conditions in which modulation of MC1R is beneficial. Such diseases and / or conditions include, but are not limited to, hyperpigmentation (including melasma), hypopigmentation (including vitiligo), melanoma, basal cell carcinoma, squamous cell carcinoma, erythropoietic protoporphyria, polymorphous light eruption, solar urticaria, photosensitivity, sunburn, inflammatory diseases, aberrant fibroblast activity and pain.

A surface coating layer, in contact with a surface of a base material of a heat exchanger, comprises a plurality of composite layers comprising a first layer contacting a surface of the base material, the first layer comprising a first matrix and a first nanobody, and a second layer contacting a surface of the first layer and having an interface with the air, where the first layer and the second layer each include a different amount by volume of the first nanobody and the second nanobody, respectively.

In a method for the solvent extraction of butadiene from a mixture of hydrocarbons having four carbon atoms per molecule, which method inherently produces tars, the extraction process is operated with a tar loading level, relative to the solvent employed, of no more than about 1.6 wt. %.

The invention provides a formation method of a transistor, which comprises the steps of providing a transistor, forming a pseudo gate structure on the substrate, forming a source region and a drain region in the substrate at two sides of the pseudo gate structure, forming an interlayer dielectric layer, which is flush with the pseudo gate structure, on the substrate, removing the pseudo gate structure and forming an opening from which part of the substrate is exposed, forming a hafnium-based high-dielectric layer at the bottom of the opening so as to act as a gate dielectric layer, carrying out first annealing, wherein an oxygen-containing gas is charged in the process of the first annealing, and carrying out second annealing, wherein hydrogen is charged in the process of the second annealing. In the first annealing, oxygen ions supplement oxygen vacancies in the hafnium-based high-dielectric layer, and the number of traps caused by the oxygen vacancies is reduced; and in the second annealing, hydrogen ions supplement an interface between the gate dielectric layer and the substrate, and the number of traps caused by an interface state defect is reduced, thereby being capable of optimizing the performance of the transistor.

The invention discloses a low-air-entraining delayed coagulation type polycarboxylate superplasticizer. The composition comprises the following components in parts by mass: 0.5-1.2 parts of macromonomer, 0.1-0.3 part of acrylic acid, 0.05-0.2 part of sodium methallyl sulfonate, 0.01-0.035 part of 2-(2-hydroxyethyl) methacrylate phosphate ester, 0.002-0.005 part of silane modified graphene, 0.00015-0.0002 part of ammonium persulfate, 0.0001-0.0002 part of a neutralizer and 3-6 parts of water. The low-air-entraining delayed coagulation type polycarboxylate superplasticizer has advantages of favorable dispersity, favorable plasticity retention, high water reducing rate, effective reduction of gas introduction and favorable delayed coagulation effect under the condition of lower doping amount.The silane modified graphene is added so that the bonding effect among the components is better in the reaction process, gaps among molecules after reaction are smaller and the gas content is lower.

The present invention provides: a steel for a welded structure to be used for a crude oil tank that exhibits excellent general and local corrosion resistance in crude oil corrosion caused in a steel oil tank and is capable of suppressing the formation of corrosion products (sludge) containing solid sulfur; a method for producing said steel; a crude oil tank; and a method for preventing a crude oil tank against corrosion. The present invention makes it possible to obtain general and local corrosion resistance in a crude oil tank environment and suppress the formation of corrosion products (sludge) containing solid sulfur by using a steel: containing, in mass, 0.001 to 0.2% C, 0.01 to 2.5% Si, 0.1 to 2% Mn, 0.03% or less P, 0.007% or less S, 0.01 to 1.5% Cu, 0.001 to 0.3% Al, 0.001 to 0.01% N as basic components and, further, 0.01 to 0.2% Mo and / or 0.01 to 0.5% W; and preferably satisfying the following expression;Solute Mo+Solute W≧0.005%.