152results about How to "Reduce heat stress" patented technology

In a double heat exchanger with a condenser and a radiator, a flexible portion formed into a wave shape to be flexible is provided in a side plate at least at one side of connection portions of the side plate, connected to condenser header tanks and radiator header tanks. Further, a slit is provided to be recessed from one longitudinal end of the side plate to the flexible portion. Accordingly, a heat stress generated in condenser tubes and radiator tubes can be absorbed by the flexible portion even when a length of the slit is made shorter.

A modular assembly for detachable securing an accessory component to a garment or the like, comprises a meshed fabric, with an array of first openings forming an integral part of the garment. A base plate and a locking plate are provided, the former being secured to the accessory component. A plurality of studs are provided on one of the plates, and a plurality of second openings are provided on the other of the plates. The plates are adapted to be positioned on opposite sides of the meshed fabric, with the studs on the one plate projecting through respective first openings in the meshed fabric and into interlocked engagement within the second openings of the other plate.

A system for adding and processing reducing agent includes an injector connected to a reducing agent metering unit and which can spray a jet of reducing agent into the exhaust gas. A mixing pipe is disposed in an exhaust pipe of the internal combustion engine and a funnel element is disposed on or in the mixing pipe in the region of the first mixing pipe end. The mixing pipe and the funnel element are formed as hollow bodies having perforated outer surfaces, the perforation of the mixing pipe has a larger surface area than the perforation of the funnel element. The funnel element has a passage opening on the end of the funnel element assigned to the first mixing pipe end, and the reducing agent metering unit is disposed such that the injector sprays the jet of reducing agent through the passage opening into the interior of the funnel element.

The present invention provides a milk cow house cooling control system based on physiological discomfort index. The invention converts the real-time measured temperature, humidity, light and other data in the cow-house into the 'Heat Stress' physiological discomfort index PCI of the cow, intelligently automatically opens the air machine and spraying or atomizing operation based on the physiological discomfort index, and automatically controls the spraying or atomizing time and the spraying or atomizing interval and whether to start up the spraying or atomizing function based on the cow house humidity, and the spraying or atomizing and the air machine are alternated operations. The present invention can effectively alleviate the thermal stress of milk cow in summer, to ensure milk cow health and normalized exertion of production performance, and simultaneously has energy-saving effect.

A lightweight rammer system and method for engaging an artillery projectile or propellant charge, wherein the rammer system comprises an internal combustion generator comprising a first firing mechanism; an actuator driven by the firing mechanism, wherein the actuator comprises a propellant combustible into a pressurized fluid; and a pressure accumulator connected to the actuator, wherein the pressure accumulator controllably releases the pressurized fluid; a ramming component connected to the internal combustion generator and powered by the pressurized fluid; and means for regenerating pressure in the pressure accumulator actuated by recoil motion of the ramming component.

The present invention provides a polarizer and a polarizing plate having less dimensional changes to heat stress. The present invention provides also a liquid crystal display that includes the polarizer and the polarizing plate, and is free of color irregularity or decoloration. The polarizer has shrinkage force of not more than 4.0 N / cm in the absorption axis direction after being heated at 80° C. for 30 minutes. A protective film is laminated on at least one surface of the polarizer in order to form a polarizing plate, and the polarizing plate has a following relationship of 0.01≦A / B≦0.16 when A denotes a thickness of the polarizer and B denotes a thickness of the protective film.

A power module according to the present invention is a power module configured such that a power device chip is arranged within an outer casing and an electrode of the power device chip is connected to an external electrode that is integrated with the outer casing. The power module includes: a heat spreader fixed inside the outer casing; the power device chip solder-bonded on the heat spreader; an insulating dam formed on the heat spreader so as to surround the power device chip; and an internal main electrode having one end thereof solder-bonded to the electrode of the power device chip and the other end thereof fixed to an upper surface of the dam. The external electrode and the other end of the internal main electrode are electrically connected to each other by wire bonding.

A stretchable chemical protective material is described comprising a selectively permeable chemical protective film and an elastic textile. Further described are methods for making a stretchable chemical protective material and methods of using the same. Materials made from these methods may have improved flex durability. Garments made from these materials may have improved heat loss.

A heat transfer bridge for absorbing heat from electronic circuits and electrical distribution transformers to thereby cool said components is disclosed. The heat transfer bridge includes a passive pump for pumping a fluid having a low boiling point that readily creates bubbles when heated to its boiling point. The bubbles are directed via selected flow paths to effectively push or drive the fluid from adjacent a heat source such as an electronic circuit or transformer to heat dissipating components such as cooling fins. In one embodiment, the fluid in the inventive heat transfer bridge comprises a fluid comprising metallic slurry that provides many times the heat dissipation rate as compared to a clear fluid.

The present invention is sealed hot pressing technological process of producing no-glue fiber board with wood, bamboo or herbaceous plant as material, and solves the technological problems of lowering hot press pressure and expanding the product thickness and density range. The technological process includes the steps of: separating the material into wet fiber and applying paraffin emulsion; drying and spreading; pre-pressing; sealed and heated pressing the board blank inside sealing frame in a hot press to form the no-glue fiber board. The hot pressing step consists of hydrolysis section, air exhausting section and plasticizing section, and the sealing frame is heat resistant and airtight and in the shape of formed board.

The invention discloses a pregnant sow feed for comprehensively preventing constipation of a sow. The pregnant sow feed is prepared from the components: maize, bran, ginkgo biloba leaf slags, garlic residues, sugar beet pulp, soybean hull, DDGS (Distillers Dried Grains With Soluble), bean pulp, soybean oil, mountain flour, calcium hydrophosphate, salt, potassium chloride, gypsum powder, mirabilite, rheum officinale, sodium bicarbonate, choline chloride, 30 percent glycine betaine, microecologics, xylooligosaccharide and 1 percent premix. With the adoption of the pregnant sow feed with the formula, the heat stress of the sow is weakened, the constipation occurrence rate of the pregnant sow is lowered by 20-40 percent, the previous embryo survival rate of the pregnant sow can be increased so as to enable the number born alive of the sow to be increased by 10-18 percent, the sow birth process is shortened, the piglet birth weight is increased by 10-20 percent, and the economic benefit of pig production is increased.

An exhaust gas muffler for an engine, the exhaust gas muffler having a body, at least one inlet for the exhaust gas from the engine on the body, a baffled chamber in the body to receive exhaust gas from the at least one exhaust gas inlet, at least one exhaust gas outlet from the baffled chamber to vent the exhaust gas from the baffled chamber, at least one fresh-air inlet on the body, a heat exchange conduit extending into the baffled chamber between the fresh air inlet and the at least one exhaust gas outlet, the heat exchange conduit being sized and shaped to permit heat exchange between the fresh air and the exhaust gas in the baffled chamber, and a fresh air outlet on the heat exchange conduit, the fresh air outlet being sized, shaped and located relative to the exhaust gas outlet to permit the fresh air to mix with exhaust gases being vented from the baffled chamber to lower an exit temperature of the exhaust gases.

The invention relates to the technical field of feeds, and in particular relates to a formula feed for relieving the heat stress of laying hens. The feed is prepared from the following raw materials in percentage by weight: 60-80 percent of corn flour, 15-20 percent of sorghum bran, 12-15 percent of peanut straw, 6-8 percent of fructus cannabis, 20-22 percent of bean pulp, 12-15 percent of wheat, 5-6 percent of dried yeast powder, 2-3 percent of Chinese chive seed, 2-3 percent of chicken entrails powder, 2-3 percent of zeolite powder, 1-2 percent of loach meal, 2-3 percent of dried banana powder, 1-2 percent of lotus powder, 1-2 percent of pollen pini, 1-2 percent of almond powder, 3-4 percent of dried kiwi powder, 3-4 percent of parslane herb, 3-4 percent of carob bean leaf, a proper amount of table salt and 0.2-0.5 percent of a phagostimulant. The formula feed for relieving the heat stress of laying hens provided by the invention is rich in the types of raw materials and is sufficient in nutrition; raw materials such as the lotus powder, the pollen pini, the almond powder and the like contain rich vitamins and trace elements, so that the phenomenon of heat stress can be well relieved, and the negative influence of the heat stress on the fertility of the laying hens is avoided.

The invention provides an egg chicken feed capable of improving the egg quality, and belongs to the technical field of poultry feed. The egg chicken feed is composed of the following raw materials in parts by weight: 20 to 30 parts of rice bran, 5 to 10 parts of corn flour, 5 to 8 parts of millet flour, 8 to 15 parts of wheat flour, 5 to 10 parts of rapeseed meal, 3 to 5 parts of fish meal, 0.5 to 1 part of salt, 10 to 20 parts of soybean meal, 10 to 20 parts of peanut meal, 0.5 to 1 part of composite vitamin, 2 to 3 parts of composite amino acid, 2 to 3 parts of sodium bicarbonate, 2 to 3 parts of calcium hydrogen phosphate, 1 to 2 parts of phytase, 1 to 2 parts of calcium carbonate, and 0.5 to 1 part of composite trace elements. The feed improves the egg quality by increasing the contents of protein, energy, calcium, and phosphor. The feed is a novel green feed, which is safe and does not have any side effect. The feed can improve the production performance of egg chickens, increase the egg yield and egg output, improve the egg quality, increase egg weight, and reduce breakage rate. Moreover, after egg chickens eat the feed, the digestion and absorption are promoted, the feed conversion rate is increased, the feed-egg ratio is improved, and the economic benefit is increased.

The present invention provides a midget gas turbine has:a casing;an irregular-shaped hollow disk rotationally attached to a casing; said irregular-shaped hollow disk having in a hollow portion constituting a bursiform space having a closed peripheral portion in which a guiding vane is provided, and having a radius changing with respect to the circumferential direction;a fuel conduit provided from a central portion towards a portion of the outer peripheral portion of the irregular-shaped hollow disk and communicated with a fuel nozzle provided in the vicinity of the outer peripheral portion of the irregular-shaped hollow disk; andat least two combustion chambers each comprising a mixing portion for mixing a fuel injected from the fuel nozzle with an external air centrifugally compressed by the guiding vane, a combustor and a combustion gas discharge nozzle portion, said combustion chambers being provided at rotationally symmetric positions at the outer peripheral portion of the irregular-shaped hollow disk where the radius becomes maximum;wherein an external air taken in the hollow portion of the irregular-shaped hollow disk is compressed by the guiding vane, supplied to the combustion chambers, mixed with a fuel supplied from the fuel conduit to be burnt, and a combustion gas discharged from the combustion gas discharge nozzle is discharged towards a substantially circumferential direction of the irregular-shaped hollow disk, whereby the irregular shaped hollow disk is driven by the reaction of the combustion gas.

A power supply produces one or more conditioned and scaled output voltages with low noise. The power supply has various components to produce a plurality of higher output voltages from a plurality of taps of a multiplier or multiple isolated outputs. Components include an internal reference voltage circuit or an external voltage that generates a reference voltage and a sine wave power oscillator circuit and resonant circuit that generates an alternating current and voltage. The power supply has a controlled current source circuit connected to the sine wave power oscillator circuit for regulating the power level to the sine wave power oscillator. A control amplifier circuit controls the current level to the controlled current source circuit based on the error between the sampled output and the reference voltage. The resonant transform connected to the sine wave power oscillator circuit generates one or more scaled output voltages on one or more secondary windings. A buffer voltage feedback circuit is connected to an output voltage and the control amplifier circuit for providing a feedback loop to regulate the output voltage.

The invention relates to a feed additive, in particular to a heat-resistant stress feed additive for a cow. The additive comprises the following components in weight portion: 4 to 7 portions of milk veteh, 3 to 6 portions of angelica, 4 to 7 portions of seed cowherb, 2 to 5 portions of licorice, 5 to 8 portions of potassium chloride, 2 to 5 portions of sodium chloride, 1 to 2 portions of magnesium chloride, 2 to 5 portions of sodium bicarbonate, 2 to 5 portions of citric acid and 5 to 10 portions of carrier. The milk veteh, the angelica, the seed cowherb, the licorice, the potassium chloride, the sodium chloride, the magnesium chloride, the sodium bicarbonate and the citric acid are subjected to superfine grinding, filtered by a shaking screen of 100 to 200 meshes, and then mixed with the carrier according to a proportion, stirred evenly, sterilized, cooled, and packaged to prepare the feed additive. The feed additive can improve the heat-resistant stress reaction capability of the cow, enhance immune function of the cow organism, and promote quick rehabilitation of sick livestock, and has the effect of controlling breathing, tonifying the blood, and relaxing vein and promoting milk.

The invention provides a method for actively sealing a sapphire sheet and metal. The method is low in welding temperature, high in efficiency, good in reliability and low in cost. According to the method, high-temperature metallization is not required, expensive vacuum coating equipment and precious metal targets are also not required, the defects of long intermediate treatment process and time consumption are overcome, the total welding time is shortened, and the production efficiency is improved; the defect that flatness with high precise size and demanding requirement is required to be machined when welding sheets are adopted is avoided, and active titanium, zirconium, copper and nickel welding flux is directly adopted; the thickness of the wall of the sealing part of a metal piece is small, so that the thermal stress effect caused by the reaction of extrusion to the metal piece by the thermal expansion of the sapphire sheet during welding is reduced, and the probability of explosion of the sapphire sheet is reduced; meanwhile, welding can be accomplished at one step when the vacuum atmosphere temperature is lower than 1000 DEG C, the requirement on welding equipment is low, the product welding reliability and the yield are high, the air impermeability is good when baking is performed at the high temperature of 560 DEG C for 36 hours, and the requirement on the air impermeability of ultrahigh frequency electron tubes can be guaranteed.

The invention provides a cowshed environment control system and method based on a temperature-humidity index. Monitoring nodes of the system are installed at different positions of a cowshed and upload data to a gateway and then to a cloud server platform for processing. After the processing, a result is sent to a relevant control node, and a relevant device adjusts the environment to keep stabletemperature and humidity of the cowshed. The system solves the problem that the failure in timely environmental control of small-scale cow breeding causes heat stress on the cows and affects the growth of the cows so as to reduce the economic benefit of milk yield of the cows. The system mainly adjusts the environmental factor of the cowshed based on the temperature-humidity index (THI) of the cowshed, obtains the temperature and humidity data by the monitoring nodes placed at different positions of the cowshed, and achieves the statistical analysis and visualization of the environmental dataof each node, thereby controlling the control equipment of the cowshed based on the THI calculated from the environmental data to provide a comfortable environment for the cows and improve the milk quality of the cows.

The present invention relates to an arc flash protection, multiple-use nonwoven fabric structure comprising one or more layers having fire resistant properties. The fabric structure has an arc flash facing nonwoven surface, and a nonwoven part of the fabric structure comprises non-inherent, and / or inherently fire resistant fibers, said fibers being mechanically, chemically, or thermally bonded, whereby the fabric structure has a minimum Arc Thermal Protection Value (ATPV) to fabric basis weight ratio of 250 cal / g, preferably greater than 350 cal / g, more preferably greater than 500 cal / g when measured in accordance with ASTM F1959—Standard Test Method for Determining the Arc Rating of Materials for Clothing, and the fabric structure maintains said ATPV to fabric basis weight ratio through at least 25 washing cycles when washed according to AATCC Method 135 (3, 1V, A iii).

The invention provides an efficient production method for cold-pressed recombined bamboo timber. The efficient production method comprises the following technological steps that 1, bamboo splits are dipped in modified low-temperature curing phenol glue; 2, charging and steam-injection for pre-heating are conducted; 3, die pressing is conducted; 4, slabs are heated and cured in a tunnel kiln. The efficient production method has the beneficial effects that that the manufactured cold-pressed recombined bamboo timber can shorten heating time, and the hot pressing efficiency of the recombined bamboo timber is greatly improved; besides, the density of the recombined bamboo timber is lowered by over 10%, and the internal stress of the recombined bamboo timber is lowered; the release time of the internal stress is shortened or release of the internal stress is not needed; during cold pressing, the pressure is only three fourths of conventional pressure, and wire skipping, cracking and other defects of finished products will be reduced; and the quality of the cold-pressed recombined bamboo timber is improved, and therefore the cold-pressed recombined bamboo timber can better meet market demands.

In a double heat exchanger with a condenser and a radiator, a flexible portion formed into a wave shape to be flexible is provided in a side plate at least at one side of connection portions of the side plate, connected to condenser header tanks and radiator header tanks. Further, a slit is provided to be recessed from one longitudinal end of the side plate to the flexible portion. Accordingly, a heat stress generated in condenser tubes and radiator tubes can be absorbed by the flexible portion even when a length of the slit is made shorter.

The invention relates to an exhaust gas cooler (1) having an outer housing (2) and a heat exchanger insert (3) which is arranged therein and has pipes (5) around which exhaust gas flows transversely in an inner housing (4) and through which a coolant of a first cooling circuit (11) flows. It is essential to the invention that the outer housing (2) is cooled by a second cooling circuit (10) which is separate from the first cooling circuit (11). This in particular can reduce the temperature load.

The invention provides an anti-thermal stress compound feed for Wenchang breeding hens and laying hens and a preparation method thereof. The compound feed consists of the components such as corn, soybean oil, soybean meal, fish meal, coconut dregs, rapeseed dregs, mountain flour, calcium hydrophosphate, compound vitamins, compound minerals, coated vitamin c, nutritional supplements and the like. In artificial feeding of Wenchang chicken, the feed for Wenchang breeding hens and laying hens, provided by the invention, can meet the nutrition needs of Wenchang breeding hens, and can adapt to the high-temperature high-humidity climate in the Wenchang breeding hen farming region while reducing the thermal stress of the breeding hens and increasing the laying rate.

The invention provides application of NCG (N-CarbamylGlutamate) and VC (Vitamin C) in preparing heat stress-resisting feed additives or feeds. According to the invention, when the NCG and the VC are combined, the heat stress resisting ability of livestock (particularly sows) can be remarkably increased, so that the NCG and the VC produce a synergistic effect, can be widely popularized and applied in the field of animal husbandry and have good market effect and social effect.

A power module substrate allows prompt heat dissipation from a semiconductor device and avoids separation of a ceramic plate and a copper plate at their joint interface and cracks in the ceramic plate. A power module substrate for mounting a semiconductor device includes a ceramic plate, a copper circuit plate on a main surface of the ceramic plate, and a heat dissipation copper plate on a surface of the ceramic plate opposite to the main surface. The copper circuit plate includes at least one first copper circuit plate and at least one second copper circuit plate different from the first circuit board. The first copper circuit plate includes a first portion on which the semiconductor device is mountable, and a second portion outward from the first portion and surrounding the first portion and thinner than the first portion.

The invention provides a complete compound feed for boar, which is prepared from the following raw materials: 50-55% of corn, 10-14% of peeled soybean meal, 13-17% of wheat, 6-10% of soybean hulls, 3-7% of wheat bran, 0.5-1.7% of fermented soybean meal, 1-3% of fish meal, 1-1.7% of calcium hydrophosphate, 0.8-1.4% of limestone powder, 0.1-0.5% of lysine, 0.04-0.06% of methionine, 0.06-0.10% of threonine, 0.01-0.02% of compound enzyme preparation, 0.06-0.1% of probiotics, 0.2-0.4% of sodium bicarbonate, 0.1-0.2% arginine hormone and 0.5-1% of compound premix for boar. The feed provided by the invention has complete nutrition, is easy to digest and absorb, obviously reduces heat stress of the boar, improves volume of semen of each time of ejaculation and sperm motility, increases total number of each time of ejaculation and semen dilution quantity, and improves breeding capacity of the boar.