82results about How to "Achieve silence" patented technology

The invention provides a sound insulation module on the sound insulation device of large-noise equipment, which is widely applied to the noise disposal of large-noise equipment in the industries such as power, petrochemicals, metallurgy and the like. The module, from external layer to internal layer, sequentially comprises a sound insulation plate, a damping vibration layer and a sound-absorbing wool plate; from internal layer to external layer, the module sequentially comprises a porous sound-absorbing steel plate and a sound-absorbing wool plate; the circumference of the module is provided with reinforcing plates vertical to the porous sound-absorbing steel plate and the sound insulation plate; the sound insulation module is characterized in that a layer of sound insulation wool felt and a rectangular sound refluxing chamber are arranged between two sound-absorbing wool plates uniformly and intermittently. The sound insulation module prolongs the staying time of the sound in the sound refluxing chamber, enlarges the contact area between the noise and the wool plate and the wool felt, converts more sound energy into the heat energy inside the wool plate and the wool felt and improves the sound-absorbing coefficient of the material; the sound insulation quantity reaches more than 40dB, which is higher than the similar product by 15-35%.

The invention relates to a myocardial infarction diagnostic marker composition and in particular relates to application of miR-1468-5p and miR-892b, which are used as molecular marker compositions, to preparation of a myocardial infarction diagnostic reagent. An existing myocardial infarction diagnostic marker is not sufficient to meet the requirements of clinical precision diagnosis and treatment requirements; expression data of myocardial infarction miRNA (micro Ribonucleic Acid) is obtained based on a high-throughput sequencing method and myocardial infarction related miRNA data of a GEO (Gene Expression Omnibus) database center is combined to carry out bioinformatics analysis and verification; the miR-1468-5p and the miR-892b are selected from candidate miRNA and bioinformatics verification is carried out; a result shows that the miR-1468-5p and the miR-892b are closely related to myocardial infarction. The myocardial infarction diagnostic marker composition can be used for clinical diagnosis and prevention and detection of the myocardial infarction in an independent or combined manner.

The invention relates to a myocardial infarction biomarker miR-1283, and concretely relates to the miR-1283 and application of target genes of the miR-1283 in treating myocardial infarction. The expression and the possible effect study of the miRNA in acute myocardial infarction are relatively few, and an existing biomarker is far from satisfying the clinic diagnosis requirement. On the basis of a high-throughput technology, the miR-1283 and the target genes HDAC4, PHC2, THOC5 and IL17RA of the miR-1283 are selected, and the confirmatory experiment shows that the miR-1283 and the target genes of the miR-1283 can be applied to clinical diagnosis and prevention detection of myocardial infarction; the myocardial infarction biomarker miR-1283 provided by the invention lays a foundation for research and development of related diagnostic reagents of myocardial infarction clinically.

The invention provides an auto brad maker, by which rice paste is made, and the rice paste is used to make rice bread and is obtained by regulating gelatinization of rice starch, and all rice starch molecule after absorbing water will not get into gel state because of heat change including temperature of enzyme activity. The steps is as following: a control part (29) controls heating to a heating part (26) and controls driving to a stirring part (24) respectively; and the temperature controlled by the heating part is set to the temperature of enzyme activity to produce rice paste, so as to make a rice bread.

The invention provides a bread dough manufacture and an automatic bread maker. When at least raw rice and water, as a part of cooking material, is put in a container (23) for receiving cooking material and heated to gelatinize rice starch and prepare rice paste, a cutting and mixing portion (27) rotates, and the rice paste flows in a gap between the bottom of the container and the cutting and mixing portion from the rotating center side of the cutting and mixing portion to the centrifugal direction. The rice paste is cut and mixed when the rice paste flows from the upper side of the cutting and mixing portion to the rotating center after reaches the side surface of the container.

The present invention provides a method that realizes the temporary dispatching of the group members by digital trunked communication system, this method includes the following steps: (a) Dispatching terminal client would launch temporary scheduling request to the trunked dispatching server to activate members of the group; (b) According to the temporary request, the trunked dispatching server would amend the state of the members of the group and return the request response to the dispatching terminal client; (c) Trunked dispatching servers would return update information, and dispatching terminal client refresh the state of group members. Through the trunked dispatching terminal, the method of this invention would implement the operations such as banning words, ban lifting, withdrawing calls, forbidding and joining calls towards the trunked activated group-users.

The invention relates to a reagent for detecting myocardial infarction and the application of the reagent and particularly relates to a reagent for detecting miR-520c and application of the reagent in preparing reagents for detecting myocardial infarction. Because of specificity, sensitivity and the like, conventional myocardial infarction diagnosis biochemical indexes such as creatine kinase, lactic dehydrogenase and myoglobin are limited in clinical application. On the basis of a high-flux sequencing method, a molecular marker miR-520c tightly associated with myocardial infarction is obtained. The molecular marker and conventional biochemical indexes are supplemented by each other, defects of single detection methods are overcome, and bases are made for precise clinical diagnosis and treatment.

An activated carbon board for decorative purpose to clean air is prepared from rice husk and the rejected bamboo and wood through preparing activated carbon, mixing it with high-molecular aquatic isocyanate adhesive, and die pressing.

The invention relates to application of miR-1912 and a target gene thereof in diagnosis and treatment of myocardial infarction. According to the application, expression data of miRNA and mRNA of myocardial infarction and healthy control are obtained by second-generation sequencing; meanwhile, bioinformatics analysis verification and molecular validation are performed by combining the miRNA and mRNA data related to the myocardial infarction in a GEO database; results show that the miR-1912 and the target gene ZDHHC18 thereof are closely related to the myocardial infarction, can be used for clinical diagnosis, prevention and detection of the myocardial infarction, and lay a foundation for the development of clinically relevant diagnostic reagents, chips or the like.

The invention relates to an electric dust cleaner with high adsorb property and sound adsorb property, which comprises: an electric fan for generating adsorb wind with an exhaust outlet; an electric fan room that at least partly covering said electric fan; and a main body exhaust outlet for discharging the discharge wind from the electric fan room to the air; on the box, an outlet is arranged to discharge the discharge wind of electric fan outside the box, and a bypass wall is arranged to bypass the discharge wind of said outlet. The inventive electric dust cleaner can realize high adsorb efficiency, reduce noise and adsorb noise.

The intelligent electric remote control silent three-dimensional garage of the present invention belongs to the technical field of three-dimensional garages; the technical problem to be solved is to provide an intelligent electric electric remote control silent three-dimensional garage, which controls the motor on the parking space or the third electric telescopic rod to work through the oil circuit , to access the car, there is no noise during the process of accessing the car; the technical solution adopted is: an intelligent electric remote control silent three-dimensional garage, the two garage bodies are set opposite to each other, and a lifting channel is formed in the middle, and the vertical lift is set on the two sides. On the lifting passage between two garage bodies, the longitudinal elevator is used for lifting and lowering the cars parked on the longitudinal elevator. A plurality of parking spaces are vertically arranged in the garage body. The vertical elevators move back and forth, and the push-type exchange device is arranged at the bottom of the garage body; the present invention mainly realizes silent parking in the underground garage.

The invention provides an electromagnetic braking device. In the hoister of the elevator, the retaining force between an elastic member and an armature can be maintained at a proper level and the elastic member can be conveniently replaced. The electromagnetic braking device (1) includes a brake boot (2) being in slide contact with a brake drum, an armature (3) for supporting the brake boot (2), a brake spring (4) for pushing the brake boot (2) in the braking direction by pressing the armature (3), an electromagnetic iron core (6) and a rod member (7). The electromagnetic iron core (6) overcomes the pushing force of the brake spring (4) to attract the armature (3), so that the brake boot (2) leaves away the brake drum, the rod member (7) is arranged in the armature (3) to guide the armature (3) to displace, the electromagnetic braking device (1) further includes a bolt body (8) and an elastic body (9), the bolt body (8) is detachably in threaded engagement with the end, at one side of the brake boot, of the rod member (7), the elastic body (9) is arranged between the bolt body (8) and the armature (3), and the elastic body (9) can change the contact area with the armature (3) along with the spiral feeding and withdraw of the bolt body (8).

The invention provides a kit for knocking out FUT8 (alpha-1,6-fucosyltrasnferase 8) and DHFR (dihydrofolate reductase) genes in Chinese hamster ovary cells; the kit comprises sgRNA sequence described in SEQ ID NO. 1 and/or SEQ ID NO. 3, and sgRNA sequence described in SEQ ID NO. 23. The invention also provides a method for knocking out both FUT8 and DHFR genes in CHO cells and an engineering cell strain prepared by the method. The kit is suitable for quickly and efficiently knocking out FUT8 and DHFR genes in CHO cells and suitable for efficiently expressing antibody drugs with no fucose modification, provides high antibody yield and has a promising application prospect.

An automatic switching device is provided to realize miniaturizing, lightweighting and silencing the automatic switching device of toilet-seat and toilet-cover. The automatic switching device (10) comprises: motor (13) mounted on rotation axis (12) with two or more worm gears (11); output axis (14) for switching toilet-seat and toilet-cover; reduction gear unit (15) for decelerating the revolution of worm gears (11) and transfering it to output axis (14). The reduction gear unit (15) is composed of two plates (19,20) for grasping three supporting parts (16) and being in point-against-back arrangement; and a number of gear set (21) between the plates (19,20). A first helical gear (22) for engaging with worm gears (11) and rotating, subsidiary worm gears for linkaging and rolling on the same supporting axes (23) with the first helical gear and a second helical gear (22) for engaging with subsidiary worm gears and rotating are installed on the gear set (21). In addition, the supporting axes (26,27) of gear set (21) are axially supported on the plates (19,20).

The invention provides a check valve which comprises a valve seat component, a valve main body of a limiting part, a circular plate part, a plurality of guide parts protruding from the periphery of the circular plate part and a valve body capable of moving between the valve seat component and the limiting part and losing the valve due to dead weight, wherein fluid passages are formed in the periphery of the circular plate part by gaps between the adjacent guide parts; on the moving range part of the valve main body corresponding to the valve body, convex parts protruding from the inner side of the valve main body are arranged; the condition that the valve body rotates due to the rotation component of the fluid cannot happen in the check valve.

The coaxial reciprocating motion mechanism comprises an inner rotating shaft, an output shaft and an outer sleeve, the inner rotating shaft and the output shaft are located on the same axis, and the output shaft is sleeved with the outer sleeve; the inner rotating shaft is provided with at least one annular groove surrounding the surface of the inner rotating shaft, the annular groove has a certain inclination angle relative to the cross section of the inner rotating shaft, and a positioning steel ball is arranged on the annular groove; the output shaft comprises a shaft part and a shaft sleeve at the rear end of the shaft part; the shaft sleeve is provided with a cavity for accommodating the inner rotating shaft; a positioning hole is formed in the wall of the shaft sleeve; the inner wall of the outer sleeve is provided with at least one linear groove extending in the axial direction. The positioning steel balls penetrate through the positioning holes and fall into the linear grooves; the inner rotating shaft rotates, the positioning steel ball rolls along the annular groove, is bound by the linear groove in the inner wall of the outer sleeve and slides in the linear direction, and the positioning steel ball drives the output shaft to do front-back telescopic reciprocating motion through the positioning hole; the coaxial reciprocating motion mechanism and appliance have the advantages of long service life, small size and low noise.

A light-adjusting unit includes: a light-shielding plate centered an optical axis of an incoming light flux and configured to block the light flux in response to the amount of rotation; a rotation transmitting gear configured to hold and rotate the light-shielding plate; a supporting shaft configured to rotatably support the rotation transmitting gear; and a supporting substrate on which the supporting shaft is provided, and the light-shielding plate is provided on one surface side of the supporting plate, and the rotation transmitting gear is provided on the other surface side of the supporting substrate opposite to the one surface side.

The invention can adjust the cloth presser foot to any height. The sewing machine comprises a rotary outer peripheral cam (20); a driven body (31) which is abutted against the outer circumference of the outer peripheral cam; a transmission body (32) which transfers the lifting action to the cloth presser foot (11) via rotation from the driven body; a presser foot motor (14) which rotates the outer peripheral cam; and a control device (90) which controls the presser foot motor and controls the lifting action of the cloth presser foot. The height of the cloth presser foot (11) can be arbitrarily adjusted by arbitrarily adjusting the abutting-against position of the driven body with respect to the outer peripheral cam by using the presser foot motor. In addition, since the solenoid is not used, upper and lower movement of the cloth presser foot (11) is carried out by the presser foot motor, so that the noise can be reduced, and the loss and damage of parts caused by the collision can bereduced.

The invention discloses a bionic fish swinging joint integrated driving device. The bionic fish swinging joint integrated driving device comprises a waist joint outer rotor integration motor and a steering joint outer rotor integration motor, wherein a waist joint outer rotor integration motor rotor serves as a machine base for a bionic fish tail framework and the steering joint outer rotor integration motor, a steering joint outer rotor integration motor stator is fixed to the waist joint outer rotor integration motor rotor, and a steering joint outer rotor integration motor rotor serves as atail fin framework of a bionic fish. The driving device serves as a power system of the bionic fish to achieve the function of propelling and steering of the bionic fish. Compared with a traditionaldriving device with a speed reducing mechanism, the bionic fish swinging joint integrated driving device has the advantages of being low in noise, modularized, low in fault rate and high in efficiency.