1585results about How to "Avoid product quality" patented technology

Disclosed herein are synthetic anatomical models that are designed to enable simulated use testing by medical device compam'es, medical device designers, individual inventors, or any other entity interested in the performance of medical devices. These models are unique in possessing a level of complexity that allows them to be substituted for either a live animal, an animal cadaver, or a human cadaver in the testing of these devices. These models are further characterized by a similarity of geometry, individual component physical properties, and component-to-component interfacial properties with the appropriate target tissue and anatomy.

The present invention relates to a polishing liquid for polishing the surface of a substrate having a copper film and fine recesses filled with the copper, comprising, at least one water-soluble inorganic acid or its salt, or water-soluble organic acid or its salt, and at least one hydroxyquinoline.

The invention provides a method for producing a printed board combining rigidness and flexibleness, comprising the following steps: cutting a flexible board and transferring an inner-layer circuit pattern onto the flexible board; cutting a covering film, implement windowing on the covering film, and pressing the covering film onto the flexible board; cutting a rigid board and transferring the inner-layer circuit pattern onto the rigid board; implementing a primary V type cutting at an outline position needing to baring the flexible board area; cutting a prepreg, implementing windowing on the prepreg and removing the prepreg needing to baring the flexible board area; placing the prepreg between the inner surfaces of the flexible board and the rigid board for implementing pressing so as to form a printed board; implementing subsequent processing at the outer layer of the rigid board of the printed board; implementing a secondary V type cutting at the outer layer of the rigid board, and leading the position of the secondary V type cutting to correspond to the position of the primary V type cutting; removing the rigid board of the primary V type cutting and the secondary V type cutting area; and exposing the flexible board of the area. The method improves the production quality of the printed board combining rigidness and flexibleness.

The invention provides a novel column-shaped three-dimensional cultivation method and device for medical dendrobium. The method is characterized by comprising the following steps of making a cultivation device serving as an auxiliary article in a hollow column-shaped body structure; filling a cultivation medium in the interior cavity of the hollow column-shaped body, wherein the hollow column-shaped body is at least 0.5 m in height and at least 8 cm in diameter, the external surface of the hollow column-shaped body is uniformly provided with seedling planting areas, and a cultivation medium composition mainly comprises the following raw materials in parts by volume: 5-15 parts of barks, 10-30 parts of saw dust and 3-10 parts of vermiculite; selecting healthily-growing seedlings to be hardened and then washing the hardened seedlings during cultivating and transplanting the dendrobium seedlings; and after sterilizing by using 800-1000 times of liquid carbendazim, transplanting the seedlings in different plant bunches according to the seedling planting areas, wherein row spaces of the transplanted plants are 4-6 cm*10-15 cm. Compared with the prior art, the cultivation method provided by the invention is very suitable for growth habits of the wild medical dendrobium; and the medical dendrobium cultivated by using the invention has the advantages of easiness for material obtaining, low cost, long service life, good water retention and fertilizer securing effects, high planting density, land utilization rate capable of being increased by 6-7 times, high and stable yield, good product quality and convenience for management.

The invention relates to a composite microorganism livestock and poultry feed additive and manufacturing method thereof, belonging to the feed technology field. The invention discloses a composite microorganism livestock and poultry feed additive, which is characterized in comprising composite bacterium powder in 1.0-15% of total mass protion; wherein, the composite bacterium powder is compatible of any two or more of the lactobacillus, yeast, pediococcus acidilactici and fecal streptococcus. the strains in the microorganism feed additive of the invention can symbiose to each other, which is favorable to performance their biological activities, and can keep enough shelf life and live bacteria quantity. The invention also achieves the advantages of controlled production process, lower cost and stable product quality.

The invention relates to a dental prosthesis of zirconia material with tetragonal nanometer-sized ZrO2-CaO powder and much added amount of alumina. Said invention also relates to tooth body and false tooth prepared by said above tetragonal nanometer-sized ZrO2-CaO powder and zirconia material for prosthesis, so that making color transparency L*=64-81,colority a*=-1.04- 5.63 and b*=6.95-21.88,thus natural color.

A semi-solid injection moulding method for Mg alloy includes such steps as mixing metallic powder, gas protecting, quantitative supply, solid-liquid mixing, and semi-solid injection moulding. Its apparatus is composed of a metallic powder mixer consisting of stirring container and storage container, and an injection unit consisting of the metallic sleeve pipe unit comprising sleeve pipe and internal spiral delivering rod, and the cooler and heater for controlling the temp at different positions of sleeve pipe.

The invention relates to a surface decoration piece (IMD) and the production process of the surface decoration piece, which is in particular widely used in the information technology products, household appliances, electronic products, personal computers, car accessories and so on and belongs to the technical field of injection molding decoration. The invention is characterized in that the screen-printing of ink patterns is adopted on the reverse side of a transparent sheet. The ink pattern is disposed between the injection molding layer sheet and the formed transparent sheet, which is integrated through the drying, cutting, molding and the injection molding. With the invention, the production time can be shortened and the costs can be reduced with the improvement of product quality and the enhancement of the scratch resistance of the products. With strong solvent resistance, excellent three-dimensional sense, the patterns are clear with excellent anti-light and moisture proof performance. The graphic, logo and color can be changed at any time without the need to replace the die. The convex bubbles of the function keys are uniform with good feel, in which the life expectancy can be up to one million times. The printing precision of the products with three-dimensional shapes is accurate and the error is small.

The invention discloses technology for producing direct spinning terylene industrial filaments after liquid state polycondensation of prepolymer and belongs to the technical field of spinning. The technology comprises the processes of esterification, prepolycondensation, liquid state polycondensation, and spinning, and is characterized by comprising the following steps of: performing prepolycondensation reaction on esterified ethylene glycol and phthalic acid to prepare a melt with the viscosity of 0.3 to 0.4dl/g, and conveying the melt to a liquid state polycondensation kettle for liquid state polycondensation by using a booster pump; and conveying the melt to a spinning beam for spinning through a gear pump, wherein the inherent viscosity of the polyester melt after liquid state polycondensation is 0.85 to 1.05dl/g. By directly conveying the melt into the liquid state polycondensation kettle for polycondensation and performing the production technology of directly spinning the melt, the production technology for producing the direct spinning terylene industrial filaments after the liquid state polycondensation of the prepolymer shortens the process flow, reduces the production energy consumption and production cost, and solves the technical problem of difficulty in conveying the melt simultaneously.

The invention discloses a polypeptide freeze-drying composition with skin activity and a preparation method thereof and belongs to the technical field of beauty polypeptide. The composition is prepared from polypeptide with skin activity, an excipient, a solubilizer and a pH buffer agent. The preparation method of the composition disclosed by the invention comprises the following steps: dissolving, mixing, filtering, sterilizing and filling all the ingredients; setting freeze drying according to a freeze-dry curve to obtain the polypeptide freeze-drying composition with the skin activity. Thepreparation method has the advantages of simple operation and mature and controllable technologies; furthermore, freeze drying is finished within 18h, so that the product quality is ensured; simultaneously, the production energy consumption is reduced, and the production cost is reduced. The polypeptide freeze-drying composition with skin activity prepared by the method has the advantages of goodstability, easiness in storage and no preservative addition. The composition disclosed by the invention is mainly applied to removing wrinkles, resisting senility, whitening the skin, removing freckles, relieving and resisting allergy, removing eye bags, developing hair and fixing hair, so that varieties of skin problems can be improved.

The present invention discloses improved wet process and apparatus for producing ammonium bifluoride. The process includes the following steps: reacting certain amount of mother liquid, ammonia and anhydrous hydrogen fluoride in a plastic reactor with cooling coil; preheating certain amount of mother liquid in a crystalline kettle, adding the resultant while stirring, and slowly cooling to crystallize; dewatering the crystallized product in a centrifuge and stoving to obtain the product, and absorbing the tail gas with mother liquid. The process has simple operation, high yield, high product quality, low power consumption, less pollution and other advantages.

The efficient biochemical fulvic acid preparing process is to utilize, enrich and culture humic acid producing bacteria and auxiliary bacteria existing in nature to form specific fulvic acid producing bacteria. The fermented material includes crop stalks, saw dust and other agricultural and forest waste and some inorganic nutrient components as well as fulvic acid producing bacteria, and through controlling nutrients compounding ratio, water content, temperature, humidity and other technological parameters, fulvic acid is produced through directional fermentation. The present invention has the advantages of short fermentation period, low cost, high fulvic acid content, high product quality and easy control of the production process. The fermented product contains great amount of fulvic acid, amino acid, nucleic acid and other matters, and may be used widely in plantation, stockbreeding, aquiculture, industrial fermentation, medicine, pesticide and other industry.