32results about How to "Change change" patented technology

The invention discloses a method for rapidly establishing three-dimensional fine thermos-hydraulic calculation models for primary side systems of large-scale natural circulation vapor generators in nuclear power plants under certain heat transfer tube blocking accident conditions. The method comprises the following steps of: 1, carrying out complete primary side hydraulic analysis on a vapor generator so as to analyze a flow distribution law at a tube plate; 2, selecting a tube blocking scheme according to a result of the last step; 3, determining a tube blocking share and a tube blocking position; 4, carrying out geometric simplification and overall geometric modeling on a plurality of heat transfer tubes in the real vapor generator; 5, dividing preliminary calculation nodes; 6, establishing a tube blocking equation to tracing marked control areas, and carrying out calculation domain grid marking on the control areas by adoption of a network marking method so as to realize a tube blocking function; and 7, carrying out blocking condition calculation by adoption of a preliminarily established model and analyzing the precision of the result, and if a requirement is satisfied, considering that the modeling is completed, and otherwise, returning to the step 5 to encrypt the calculation nodes until the model satisfies the calculation precision requirement.

The invention discloses a ceramic polished brick and a production method and a production line of the ceramic polished brick. The production line comprises a range-shaped texture forming set, a material block forming set, an atomization spraying system, a third material distributing device, a first roll pressing device, a cutting device, a gorge-shaped texture forming set, a sixth material distributing device, a second roll pressing device, a seventh material distributing device and a press device, all of which are sequentially connected through a belt. According to a preparing method, color attaching pulp is attached to a micro powder stack jointly formed by material blocks formed by a range-shaped texture material belt subjected to the action of a texture manufacturing device and tooth roller crushing, the poking operation and super-through line material filling procedures are carried out on pressed powder through two sets of different mechanical arm combinations, wherein the pressed powder is formed through material supplementing, prepressing and cutting and edge removing. The polished brick obtains the polished brick decoration texture jointly composed of the range-shaped texture, the lava-shaped texture and the gorge-shaped texture. The range-shaped texture is smooth and natural, the edge of the lava-shaped texture has color lines fine like silk yarn, the texture is infinitely close to the difference texture of natural stone, and the stone imitating effect is extremely good.

In a variable valve drive device, a cam sprocket made to rotate by a driving force transmitted from a crankshaft. An eccentric plate is arranged at one end side of the cam sprocket in the rotation axis direction thereof, and is made to rotate around an axis in the same direction as the rotation axis of the cam sprocket. The axis of the eccentric plate is shiftable from the axile center of the rotation axis to an eccentric position. A variable camshaft is made to rotate around its rotation axis by the eccentric plate, and when the eccentric plate rotates the variable camshaft at the eccentric position, the rotational phase difference thereof with respect to the cam sprocket periodically fluctuates. An intake cam block is arranged at the other end side of the cam sprocket in the rotation axis direction thereof, and is made to rotate by the variable camshaft with the same phase as that of the variable camshaft to drive an intake valve.

One embodiment of the present invention relates to a sealing system having a leakage sensing function. A leakage sensing unit is arranged in a sealed space which is formed between sealing members of a sealing device body so as to sense, in real time, whether the sealing members are leaking, wherein a sensing value of the leakage sensing unit can be transmitted to the outside by using a communication unit.

The invention relates to the technical field of mechanical vibration measurement. The invention further discloses a mechanical vibration electric measurement device based on the capacitance principle.The device comprises a fixing frame; fixing rods are fixedly installed at the left end and the right end of the interior of the fixing frame; connecting rods are slidably connected with the interiorsof the fixing rods; suction cups are fixedly installed at the lower ends of the connecting rods through buffer springs, and a moving plate is fixedly installed between the fixing rods. The inventiondiscloses the mechanical vibration electric measurement device based on the capacitance principle. The device is tightly adsorbed on a machine to be measured through the suction cups; the machine is started, and the machine drives a dielectric block to vibrate together; in the vibration process, the dielectric block moves in an electric field formed by electrode plates; the change of the electricquantity can be changed along with the increase or decrease of the area, opposite to the electrode plates, of the dielectric block; and the mechanical vibration of the machine can be measured according to the change of the electric quantity in cooperation with the electric measurement instrument, so that the effect of convenient measurement is achieved.

Thirty substantially pure and biologically active peptides are disclosed. Nucleic acids that have sequences coding for the biologically active peptides and pharmaceutical formulations produced therefrom are also disclosed. Methods for altering the biological activity of the peptides are disclosed.

The present invention relates to a sole element, such as an insole, for a shoe, in particular for a sports shoe, as well as to a shoe, in particular a sports shoe. A sole element for a shoe comprises a first portion and a second portion, wherein the second portion comprises a deformable material, which is adapted to generate heat by being deformed. The sole element moreover comprises a transport element adapted for selectively directing the generated heat from the second portion to the first portion.

The invention discloses a thermosetting water streak coating, which includes 15-20 portion of epoxy resin, 15-20 portion of polyester resin, 5-10 portion of barium sulfate, 2-4 portion of light calcium carbonate, and 0.3-0.5 portion of water streak agent. Compared with the prior art, the invention completely forms coating without any loss, and decrease the pollution to environment. The required thickness just needs one time spaying, and the coating has good mechanical property, good pressure resistance and wear resistance, which is widely used for steel door and window, metal surface decoration of appliances, and provide good protection for metal substrate.

The invention discloses a bridge wind power traffic lamp capable of being maintained conveniently. The bridge wind power traffic lamp comprises a lamp pole, a rotating top arranged above the lamp pole, and an illuminating set which is composed of a support rod and an illuminating lamp. A first slippage groove extending downwards is formed in the lamp pole. A slippage groove is formed in the right side of the first slippage groove along the first slippage groove. A threaded shaft is arranged in the first slippage groove and is further connected with a slippage block in a screw-thread fit mode. The end face of the right side of the slippage block is fixedly connected with the support rod. A first cavity and a second cavity are formed in the lamp pole and located above the first slippage groove. A baffle is arranged between the first cavity and the second cavity. A second gear and a first gear are arranged in the first cavity. A fourth gear and a third gear are arranged in the second cavity. A first electric motor is arranged inside the baffle. The first gear and the fourth gear are connected with the first electric motor in a rotating fit mode. The bridge wind power traffic lamp capable of being maintained conveniently is simple in structure and convenient to operate, maintain and overhaul, the direction can be changed conveniently and the wind power utilization rate is increased.

The invention discloses an easily-controlled cold and hot water faucet. The upper valve element, the lower valve element and the element base are sequentially arranged in the valve body, and spline holes which are communicated up and down are formed in the axis positions of the upper valve element, the lower valve element and the element base. Two water inlet holes communicated with a cold and hot water supply pipe are formed in the element base, a flow guide groove and a water passing hole which are communicated with the element base and the upper valve element respectively are formed in the lower valve element, and a water outlet communicated with the lower valve element and the water nozzle is formed in the upper valve element. A positioning head of a spline shaft structure is arranged in spline holes of the element base and the lower valve element, and a spring is arranged at the lower end of the positioning head. An adjusting rod is arranged in a shaft hole of a top cover of the valve body, the lower end of the adjusting rod is connected with a driving head of a spline shaft structure arranged in a spline hole in the upper valve element, and the upper end of the adjusting rod is connected with a handle. The handle rotates the upper valve element through the driving head and enables the water outlet and the water passing hole to be staggered so that the water amount can be adjusted. When the driving head is pressed through the handle and the positioning head is retreated from the spline hole in the lower valve element, the water temperature can be adjusted by rotating the lower valve element.

Provided are crystal forms A, B, D, E, F, G and H of valsartan disodium salt and a preparation method therefor.

Arrays that are deployable and can change their electromagnetic behavior by changing their shape are provided. The arrays can steer the beam using folding techniques and/or can achieve multiple operation states by folding the structure. An array can include a foldable substrate with antenna elements disposed thereon. In a folded state, a first plurality of unit cells is visible from above the array and can be configured to steer in a particular first direction and/or operate at a particular first frequency. In the unfolded state a second plurality of unit cells, and also possibly the first plurality of unit cells, are visible from above the array and can be configured to steer in a particular second direction and/or operate at a particular second frequency.

The invention relates to the field of humidity detection, and particularly provides a humidity detector based on the inverse magnetostriction effect; two end faces of a magnet are respectively connected with a first iron yoke and a second iron yoke, the other end of the first iron yoke is connected with one end face of a giant magnetostriction material block, and the first iron yoke is perpendicular to the giant magnetostriction material block. The other end face of the giant magnetostrictive material block is connected with a third iron yoke, the third iron yoke is perpendicular to the giantmagnetostrictive material block, a gap is formed between the second iron yoke and the third iron yoke, a groove is formed in the giant magnetostrictive material block, and a polyimide material is arranged in the groove. During application, the giant magnetostrictive material block is placed in a to-be-detected environment, pressure is applied between the first iron yoke and the third iron yoke, and environment humidity detection is achieved through a magnetic field at the detection gap. The humidity sensor has the advantages of high humidity detection sensitivity and wide measuring range.