35results about How to "Avoid heat deterioration" patented technology

An LED module structure and a light fixture provided with the structure includes a heat releasing casing; an LED package having an LED chip mounted on a base material, a material having both heat conductance and electric insulation property placed between the heat releasing casing and the LED package upon fitting of the LED package to the heat releasing casing, and a plastic fluid or adhesive agent having particles with high heat conductivity. The material has a groove with outside smaller than an outside dimension of the LED package. The groove receives excess plastic fluid or excess adhesive agent on a surface to which the LED package is firmly attached.

The invention relates to a liquid feeding device. The device comprises a fixing seat, a rotating arm pivotally connected to the fixing seat, a driving assembly connected to the fixing seat, a swing arm connected to the rotating arm, a feeder connected to the swing arm and a food grade hose connected with the feeder. An inner cavity is arranged in the rotating arm; the driving assembly is connectedto the rotating arm; the feeder comprises a manifold branch block, a connecting head, and a spray nozzle. A cooking device including the liquid feeding device is provided. The device has the advantages that the feeder can selectively enter the range of a cooking container according to demands through a swinging manner, the feeder is composed of the manifold branch block and the spray nozzle, theproblem of natural dripping leakage is solved, in the non-feeding state, the swing arm is swung out of the range of the cooking container, liquid seasonings in the feeder and the food grade hose are prevented from being deteriorated or solidified after heating, and the difficulty of cleaning the feeder and the cooking container is reduced.

In the present exhaust purification system of an internal combustion engine, a particulate filter is arranged downstream of an NOx storage / reduction catalyst device and an S trap device is arranged upstream of the NOx storage / reduction catalyst device. A first fuel supplying means for supplying additional fuel for regeneration of the particulate filter to the exhaust system upstream of the S trap device or into the cylinder is provided. An amount of the additional fuel supplied by the first fuel supplying means is controlled to make the S trap device not release SOx. A second fuel supplying means is provided in the exhaust system between the NOx storage / reduction catalyst device and the particulate filter to make up for a deficiency of the additional fuel supplied by the first fuel supplying means in the regeneration treatment of the particulate filter.

After rich control for controlling the air / fuel ratio of a mixture to be an air / fuel ratio richer than stoichiometric air / fuel ratio, lean control is carried out so that air / fuel ratio of the mixture formed in the combustion chamber is controlled to be an air / fuel ratio leaner by a predetermined degree than the stoichiometric air / fuel ratio, or the air / fuel ratio of the mixture is controlled to temporarily be the air / fuel ratio leaner by the predetermined degree than the stoichiometric air / fuel ratio. If lean control is carried out after rich control is finished, temporary lean control provides that a degree of how much the air / fuel ratio of the mixture is leaner than the stoichiometric air / fuel ratio when the air / fuel ratio of the mixture is controlled to be the air / fuel ratio leaner than the stoichiometric air / fuel ratio in lean control is lower than the predetermined degree according to the temperature of a catalyst.

There is provided an image forming apparatus utilizing a concurrently transferring and fixing method which improves a transfer efficiency of a toner image from an intermediate transfer member to a transferring and fixing member, allows a stable forming of a high-definition image in a high-speed image forming, and ensures further reduction of power consumption, and prevention of heat deterioration of a photoreceptor, with no upsizing of the apparatus. In an image forming apparatus comprising a toner image baring section, a first intermediate transfer section, a transferring and fixing section, and an electrical field section, a second intermediate transfer section is disposed between the first intermediate transfer section and the transferring and fixing section.

The invention discloses a homogeneous sample mixer. The homogeneous sample mixer comprises a pedestal and a homogeneous sample mixing box arranged on the pedestal, a baseboard is arranged in the pedestal, a first transmission mechanism is arranged between the baseboard and the pedestal, and a second transmission mechanism is arranged between the baseboard and the homogeneous sample mixing box; the center of the bottom of the homogeneous sample mixing box is provided with a third motor, and the lower end of the middle portion of a stirring plate is connected with the output shaft of the third motor; and a hollow ball is arranged in the homogeneous sample mixing box. Compared with mixers in the prior art, the homogeneous sample mixer has the following advantages: the homogeneous sample mixing box realizes 360 DEG eccentric rotation, and the hollow ball provided with a sample is arranged in the homogeneous sample mixing box, so direct contact of the sample with the stirring plate in the homogeneous mixing process is prevented, and heating deterioration or adhesion of the sample is prevented; and the hollow ball can randomly roll to realize full-dimensional stirring, so maximal homogenous mixing is realized, and the quality of the sample is improved, thereby the homogeneous sample mixer meets various experiment requirements and has very good market prospect.

This invention is directed to providing a high-performance ceramic support being capable of realizing early activation of a catalyst due to direct loading while maintaining the excellent properties of the substrate ceramic, and being less susceptible to heat deterioration, by specifying the kind and combination of optimal replacing elements and the replacing amount and the like. A ceramic support comprising a substrate ceramic containing Mg, Al, Si and O as constituent elements are solid-dissolved therein Ti and W as the second component. The proportion of cordierite crystal having solid-dissolved therein W and Ti is 25 mol % or more, whereby a high-performance directly supporting ceramic support is realized.

A layered film sheet which can coat a sheet-like subject and is folded to coat the subject. In the folded, layered film sheet, an embossed polyvinyl chloride film exists as an outermost layer, an EVA film serves as an innermost layer in direct contact with the subject and a low density polyethylene film, an EVA film and a polyester film are intermediately inserted therebetween. The LDPE film and the polyester film are bonded to the outermost layer and the innermost layer via water-miscible acryl adhesives respectively. The innermost layer is softened and made adhesive at low temperatures and thus, the total coating process can be conducted at decreased temperatures so that the outermost PVC film can be expressed in effective embossed patterns.

The invention relates to a polar frozen earth cooling drilling device and method.The polar frozen earth cooling drilling device and method are provided tosolve the problemssuch as wellbore instabilityand deformation caused by the change of drilling temperature due to the friction and heat generation of a drill bit in polar environment.According to the polar frozen earth cooling drilling device and method, the function of maintaining low-temperature environment in well drilling is achieved through the circulation of low-temperature foam drilling fluid, the provided drilling device is providedwith an empty interlayer and a hole groove structure, the circulation of the low-temperature foam drilling fluid in a drilling sampler is achieved, the cooling effect is achieved, and contact with thewellbore is avoided. Compared with a conventional drilling device, the polar frozen earth cooling drilling device can maintain the stability of the wellbore and protect a rock sample in the polar frozen earth environment.

The invention relates to the field of preparation of high-purity hexachlorodisilane, in particular to a process for preparing high-purity hexachlorodisilane. According to the method, sorbitol is adopted to replace chelate resin to adsorb metal impurities, nitrogen is added in the purification process for accompanying as inert gas for protection and rectification, the introduced nitrogen mainly hasthe effects of reducing the distillation temperature and enhancing stirring of liquid in the tower kettle to prevent local overheating of the liquid in the kettle, therefore hexachlorodisilane is prevented from being heated to deteriorate. The process is high in rectification efficiency and low in process cost.

The invention provides a paddy rice seed drying method and relates to a field of an agricultural technology. The paddy rice seed drying method comprises S1, placing paddy rice seeds in a room and evenly tiling the rice seeds, S2, simultaneously opening a fan and a dehumidifier and setting the indoor air humidity to 40%, S3, observing the degree of drying of the paddy rice seeds every day until the paddy rice seeds satisfy standards after drying, and S4, drying the paddy rice seeds satisfying the standards after drying, cooling the paddy rice seeds to the normal temperature and storing the rice seeds in a warehouse. The method keeps paddy rice seed dry, prolongs a paddy rice seed life, prevents heating and degeneration of the wet paddy rice seeds, inhibits microbial growth and is conducive to storage and transportation.

In the present exhaust purification system of an internal combustion engine, a particulate filter is arranged downstream of an NOx storage / reduction catalyst device and an S trap device is arranged upstream of the NOx storage / reduction catalyst device. A first fuel supplying device for supplying additional fuel for regeneration of the particulate filter to the exhaust system upstream of the S trap device or into the cylinder is provided. An amount of the additional fuel supplied by the first fuel supplying device is controlled to make the S trap device not release SOx. A second fuel supplying device is provided in the exhaust system between the NOx storage / reduction catalyst device and the particulate filter to make up for a deficiency of the additional fuel supplied by the first fuel supplying device in the regeneration treatment of the particulate filter.

The invention relates to the technical field of films, and discloses a seasoning bag raw material film and a production method. The seasoning bag raw material film comprises a base layer, a thermal insulation layer and a dampness-proof layer, wherein the thermal insulation layer and the dampness-proof layer are arranged on the base layer in sequence; the base layer is prepared from the following ingredients in parts by weight: 15-23 parts of polypropylene, 30-42 parts of filling agent, 5-10 parts of antibacterial agent, 2-5 parts of antioxidant and 1-3 parts of preservative. According to the seasoning bag raw material film disclosed by the invention, the problems of poor safety and poor dampness-proof and thermal-insulation effects of a plastic film in the prior art can be solved.

The invention relates to a temperature control method of a glue dispenser, which is mainly characterized in that: a control device of the glue dispenser selects to control a temperature control device to continuously, intermittently or periodically carry out a cooling action on a glue dispensing device of the glue dispenser when the glue dispensing device carries out a glue dispensing action, or the control device controls the temperature control device to continuously or intermittently carry out the cooling action to the glue dispensing device of the glue dispenser when sensing the actual working temperature of the glue dispensing device raises, therefore, a needle cylinder of the glue dispensing device is controlled at a normal temperature, and the influence on the glue dispensing amount due to the thermal deformation of the needle cylinder is avoided, and the thermal deterioration of glue stuff inside the needle cylinder is prevented.

The invention discloses a novel process for drying peanut seeds. The novel process is characterized in that the steps are that S1, primary drying is carried out; S2, secondary drying is carried out; S3 and third-time drying is carried out. The invention also discloses a peanut seed desiccant for the novel process for drying the peanut seeds. The peanut seed desiccant is made of the following raw materials including, by weight, 25-35 parts of cinerite, 5-10 parts of sea-foam stone powder, 15-30 parts of bentonite, 6-10 parts of active silicon, 3-6 parts of hydroxypropyl-beta-cyclodextrin, 2-4 parts of super absorbent resin, 3-5 parts of aluminium oxide and 100-150 parts of water. The novel process for drying the peanut seeds is simple, convenient to operate, not high in equipment and reaction condition requirement, capable of quickly and safely drying the peanut seeds, capable of effectively prolonging the service life of the peanut seeds, capable of preventing heating and deteriorationof wet peanut seeds and inhibiting microorganisms growth, beneficial to storage and transportation of the peanut seeds and capable of better promoting germination of the peanut seeds. Higher economic, social and ecological values are achieved.

The invention discloses an ultrasonic atomization cosmetic instrument which comprises a shell, a water tank, an atomization mechanism, a spray pipe, a nozzle, an ultrasonic massage mechanism and a controller. The instrument is simple in structure and convenient to carry and use. Liquid drops are cut through high-speed movement of gas to realize the atomization effect, so that the atomization effect is effectively improved and the nutrient solution is prevented from going bad; and because of combination of multiple functions, the increasing use requirements of people can be met.

The invention discloses a technique for extracting fragrance of a tea beverage and belongs to the technical field of tea beverage processing. The technique comprises the following steps: soaking an end product of tea leaves with clean water at 12-16 DEG C; distilling for 1-1.5h at 150-200 DEG C; collecting distilled distillate, sealing and storing; decocting and extracting the tea soup and tea leaves through a high pressure cooker; filtering and squeezing, and then adopting a reverse osmosis membrane for concentrating a semi-finished product of the tea beverage, thereby causing the volume ratio of the semi-finished product of the tea beverage before and after concentration at 2 to (1-1.5); adding the distillate prepared in the step 2) into the concentrated semi-finished product of the tea beverage under the condition at 3-8 DEG C, uniformly mixing, sealing and packaging, thereby acquiring the end product of tea leaves. According to the scheme provided by the invention, the loss of aroma constituent can be obviously reduced, the fragrance of the tea beverage is obviously promoted and the technical problems of the prior art can be solved.

The invention relates to a zinc alloy zipper comprising zipper teeth, a slider and two zipper belts. The two sides, facing each other, of the two zipper belts are each provided with a row of zipper teeth; the two rows of zipper teeth are mutually staggered and engaged. The slider is clamped to the zipper teeth of the sides, facing each other, of the zipper belts. Each zipper tooth comprises a biting portion embedded in the corresponding zipper belt, and an engaging portion used for mutual engagement, wherein the biting portion comprises an upper biting portion and a lower biting portion, which are U-shaped. The problem that large zinc alloy zippers cannot be formed in the prior art is solved, the tensile strength of the zipper is greatly improved and the application range is wider.

The invention discloses a centrifugal-type molecular distillation system and belongs to the technical field of food machinery. The centrifugal-type molecular distillation system mainly solves the problems that a material is liable to deteriorate when being heated during separation as well as the problems of material back-mixing and dynamic and static sealing during molecular distillation. The system is completely suitable for separating vitamin E from a grease refining and deodorization distillate. The system is simple in structure, is easy to operate, is convenient to use and has large available range. The centrifugal-type molecular distillation system includes a centrifugal-type molecular distiller, to which a material feeder, a vacuum system and a material discharge system are connected, the vacuum system being connected to the material discharge system.

The invention relates to a processing method of a hand-shredded cold-air-dried pressed salted duck, the processing method is characterized in that due to controllable drying environment and mild drying process, the whole temperature-controlled and humidity-controlling cold-air drying process can delay and weaken food spoilage processes caused by microorganisms, enzymes and nonenzymatic effects, and product quality can be effectively maintained. The cold air drying process is a special food processing method that simulates the natural environment of the twelfth month in winter, can avoid environmental interference, and shortens working time, and a processing method of a special flavor can be formed.

The inveniton provides a heat-resistant chemiluminescent composition which comprises a luminescent agent, an oxidizing agent and a heat-resistant stabilizer, the heat stabilizer is sodium sulfate decahydrate, the sodium sulfate decahydrate generates phase change and absorbs heat when the composition is heated, the temperature of the composition is kept stable, and the service life of the luminescent composition at high temperature is prolonged.

The invention relates to a zinc alloy zipper comprising zipper teeth, a slider and two zipper belts. The two sides, facing each other, of the two zipper belts are each provided with a row of zipper teeth; the two rows of zipper teeth are mutually staggered and engaged. The slider is clamped to the zipper teeth of the sides, facing each other, of the zipper belts. Each zipper tooth comprises a biting portion embedded in the corresponding zipper belt, and an engaging portion used for mutual engagement, wherein the biting portion comprises an upper biting portion and a lower biting portion, which are U-shaped. The problem that large zinc alloy zippers cannot be formed in the prior art is solved, the tensile strength of the zipper is greatly improved and the application range is wider.

The invention relates to a slow-release essence microcapsule and a preparation method thereof. The slow-release essence microcapsule comprises a core material (1), polyacrylate (2) and an emulsifier (3). The emulsifier (3) is carried by the outer wall of the polyacrylate (2). The polyacrylate (2) and the emulsifier (3) form a continuous capsule composite wall and the composite wall wraps the core material (1) so that the coated essence microcapsule is obtained. The core material (1) comprises essence, an organic carrier and initiator residues. The emulsifier (3) is a clathrate compound of cyclodextrin and wax. The polyacrylate (2) is prepared from an acrylate monomer and an initiator through polymerization. A mass ratio of cyclodextrin to wax is 1: (0.1-0.2). A mass ratio of the organic carrier, cyclodextrin, essence, acrylate monomer to initiator is 1: (0.2-0.6): (0.01-1): (0.5-2): (0.004-0.02). The slow-release essence microcapsule effectively improves fragrance endurance and feel comfortableness and has the characteristics of environmental friendliness, no toxicity, good mechanical strength and good heat resistance.