Heat stress monitoring system and field apparatus thereof

The invention discloses a heat stress monitoring system and a field apparatus thereof. The heat stress monitoring system comprises the field apparatus and real-time monitoring equipment, wherein the field apparatus comprises a WBGT measuring device, a position measuring device for acquiring the position of the field apparatus, a data processing device, a data communication device and a power supply device, wherein the WBGT measuring device is positioned in field environment and comprises a dry-bulb temperature measuring unit, a black-bulb temperature measuring unit and a natural wet-bulb temperature measuring unit; the data processing device is used for acquiring and processing all related temperature data acquired by the WBGT measuring device, further calculating WBGT heat stress temperature data, and sending all the related temperature data and calculated data; and the data communication device is used for communicating with the data processing device and receiving the related temperature ...

Oil well wall and production thereof

Flat knitting machine with tension device

The invention provides a flat knitting machine with a tension device, which mainly comprises a rack, a needle bed, a head, a transmission mechanism and a yarn feeding mechanism, wherein the yarn feeding mechanism is provided with the tension device, the tension device comprises a support frame fixed on the rack, a first roller rotatably connected onto the support frame, a tensioning wheel rotatably connected onto the support frame and capable of sliding up and down, a weight hanging on the tensioning wheel, and a second roller rotatably connected onto the support frame, the tensioning wheel is positioned between the first roller and the second roller, and a yarn sequentially rounds the first roller, the tensioning wheel and the second roller in a S-shape mode.

Method for improving survival rate of large yellow croaker in long-distance transportation

The invention provides a method for improving the survival rate of large yellow croakers in long-distance transportation, which comprises the following steps: feeding nutrients to the large yellow croakers to be transported 1-2 weeks before transportation, stopping feeding 1-2 days before transportation, and carrying out stress training on the large yellow croakers to be transported 5-7 days before transportation, the stress training is that the large yellow croakers are dragged and gathered in a culture net cage on the sea every other day. According to the method for improving the survival rate of the large yellow croaker during long-distance transportation, the survival rate of the large yellow croaker during transportation can reach 70-85%, and the survival rate is 20-40% higher than that of a conventional method for transporting the large yellow croaker at present.

Emergency light illumination angle can 360 degrees regulations intelligence switch

The utility model provides an emergency light illumination angle can 360 degrees regulations intelligence switch, by switch case (1), alternating current switch (2), brightness induction switch (3), illumination angle can 360 degrees regulations emergency light (4), a switch circuit (5) of taking the emergency light, power binding post (6), emergency light terminal (7), take charging circuit's battery (8) to constitute, the power connects on power binding post (6), storage battery charging circuit (8) are to storage battery charging, during the power failure, illumination angle is given emergency light (4) power supply that can 360 degrees regulations through switch circuit (5) of taking the emergency light to the electric current, control emergency light (4) that illumination angle can 360 degrees regulations through brightness induction switch (5), emergency lighting lamp (4) did not work when had a power failure daytime, lighted emergency lighting lamp (4) when had a power failure evening ...

Method for proliferating bifidobacteriums in human and animals bodies

The invention discloses a method for proliferating bifidobacteriums in human and animal bodies and belongs to the field of human and animal microecology, and more specifically belongs to the field of human and animal enteric canal microecology. The method adopts aerobes which are beneficial to human or animals to consume oxygen in the digestive systems, especially in the enteric canals of human and animals and to create an oxygen-free environment for the growth and proliferation of the bifidobacteriums in the enteric canals, thus enhancing the proliferative effect of bifidus factors towards the bifidobacteriums in the enteric canals or reducing the intake of the bifidus factors. The intake of aerobes which are beneficial to human or animals can be carried out before the intake of the bifidus factors, or the two can be taken in simultaneously. The main purpose of the method is to increase the quantity of bifidobacteriums in human and animal bodies and to improve human and animal health.

Artificial well wall of oil well for preventing sand

An artificial well wall of oil well of preventing sand features that activated water or frozen colloid thickened water is used and antisand working liquid, the stratum is fractured by means of dry-type pumping vehicle, the fracture sand and resin coated sand are used as supporting agent, and the supporting agent is pumped into fracture where the resinsand is cross linked under high temp in stratum to harden, forming an artificial well wall with a certain strength and penetrability. Its advantages include high anti-sand effect and oil penetrability, preventing wax, and high output of oil well.

Unloading method for reducing coil unloading auxiliary time

The invention provides an unloading method for reducing coil unloading auxiliary time, which comprises the following steps of: S1, starting coil unloading operation when the speed of a strip in an outlet area is reduced to be below a threshold speed; s2, the strip (1) is clamped by a pinch roll (3) in a pressed-down state, and the conveying speed of the strip is reduced to zero; s3, strip unloading operation is executed in an outlet area, a crop shear (4) is pressed down, and a strip head which reaches the crop shear (4) through a deflector roller (2) of the strip starting station is sheared; the coiling machine (7) is used for coiling the strip sheared by the crop shear into a coiled material by using a reel; s4, in the coiling process of the coiling machine, a follow-up device motor (6) of the starting station drives the rack where the deflector roller is located to retreat, meanwhile, the coil stripping trolley moves to the position below a coiling shaft of the coiling machine to the ...

Bobbin winder

The invention discloses a bobbin winder which mainly comprises a supporting frame, a winding drum rotatably arranged on the supporting frame and used for winding yarns, and a waxing mechanism, wherein the supporting frame is connected with a spraying and blowing mechanism; the spraying and blowing mechanism consists of a wind plate which is installed on the supporting frame and extends horizontally and a blast blower for generating wind; and a plurality of spraying and blowing holes are arranged on the wind plate. The bobbin winder has the advantages of simple structure and convenience, and is capable of clearing the cotton fibers accumulated on the supporting frame in time, thereby prevent the cotton fibers being mixed with other colors of yarns during replacing the yarns to influence the colors and the quality of knitted clothes.

Test method for adaptability between solder resist or marking ink and scaling powder

The invention provides a method for testing the matching capacity of solder resist or marking ink and soldering flux which sequentially comprises the following steps of: (1) adding a heat transfer medium to a container with controllable temperature which can keep the temperature constant, and setting the temperature within the range of 200-300 DEG C; (2) after the temperature of the heat transfer medium is constant, putting a printed circuit board (PCB) in the container and leading the PCB to float on the surface of the heat transfer medium, with the surface to be tested of the PCB facing upwards; (3) then dripping the soldering flux on the surface to be tested of the PCB by using a dripping device, and beginning timing simultaneously; (4) when observing that the surface of the solder resist or marking ink begins generating bubbles and stripping, stopping timing and recording the testing time; and (5) according to the length of the testing time, evaluating the matching capacity of the solder ...

Waxing mechanism of bobbin winder

The invention discloses a waxing mechanism of a bobbin winder. The waxing mechanism (2) comprises a bracket (1), an upper wax sheet (4), a lower wax sheet (6), a screw (8), a knob (5), a nut (9) and a tensioning spring (3), wherein the upper wax sheet (4) is fixed on the bracket (1), the screw (8) penetrates through the upper wax sheet (4) and the lower wax sheet (6), the knob (5) is fixedly arranged at the top of the screw (8), the nut (9) is arranged below the lower wax sheet (6), and the tensioning spring (3) is sleeved on the screw (8). The lower end of the screw (8) is connected with the nut (9) by a thread, and the tensioning spring (3) is tensioned between the knob (5) and the lower wax sheet (6). By the invention, yarns are waxed more evenly.

Stamping device for machining precise metal fastener gasket

The invention relates to the technical field of stamping equipment, and discloses a stamping device for machining a precise metal fastener gasket, the stamping device comprises a base plate, the left side of the top of the base plate is fixedly connected with an adjusting extrusion structure, and the center of the right side of the top of the base plate is fixedly connected with a damping stamping structure; the front end and the rear end of the right side of the top of the base plate are fixedly connected with movable fixing structures, and the tops of the movable fixing structures are fixedly connected with a top plate. A sixth motor is used, a pressing plate can move up and down, then the pressing plate fixes gasket plates conveyed by an adjusting extrusion structure, a hydraulic press is used, an extrusion paving device can conduct secondary extrusion work on the gasket plates, and therefore the extrusion efficiency of the equipment is improved, and a seventh motor is used, so that ...

Ecological breeding method for recycling seawater pond breeding tail water

The invention relates to a seawater pond culture tail water recycling ecological culture method which comprises the following steps: stocking one or more of weever, sparus latus or sea crucian in a seawater pond, and putting scylla paramamosain at the bottom of the seawater pond; feeding baits into the seawater pond; putting beneficial bacteria into the seawater pond, and treating the culture bottom mud in the seawater pond; discharging breeding tail water in the seawater pond to the sinonovacula constricta pond, and stocking sinonovacula constricta in the sinonovacula constricta pond; after the sinonovacula constricta eats the algae in the water body, the culture tail water circularly enters the seawater pond to be continuously used as culture water. According to the method, a fish-crab pond polyculture mode is adopted, feeding bait is comprehensively utilized, an ecological circulation system is constructed by utilizing fish, crabs, algae and shellfish, and therefore seawater pond culture ...

Test method for adaptability between solder resist or marking ink and scaling powder

The invention provides a method for testing the matching capacity of solder resist or marking ink and soldering flux which sequentially comprises the following steps of: (1) adding a heat transfer medium to a container with controllable temperature which can keep the temperature constant, and setting the temperature within the range of 200-300 DEG C; (2) after the temperature of the heat transfermedium is constant, putting a printed circuit board (PCB) in the container and leading the PCB to float on the surface of the heat transfer medium, with the surface to be tested of the PCB facing upwards; (3) then dripping the soldering flux on the surface to be tested of the PCB by using a dripping device, and beginning timing simultaneously; (4) when observing that the surface of the solder resist or marking ink begins generating bubbles and stripping, stopping timing and recording the testing time; and (5) according to the length of the testing time, evaluating the matching capacity of thesolder ...

Woollen sweater linking machine

A woollen sweater linking machine mainly comprises a rack main body, a linking disc, a left protective plate and a right protective plate disposed on the linking disc, a bending needle for sewing, and a dial wheel for removing the sewed braided fabrics on the linking disc, wherein the left and right protective plates are respectively provided with a gap where the bending needle can pass through; the linking disk is further provided with a pair of splints which are located between the pair of left and right protective plates; the pair of splints are respectively provided with a cambered hole where the bending needle can pass through; the braided fabrics are passed through a gap between the pair of splints and sewed up.

Increasing efficiency of a radio receiver with an adaptive tuner

The application provides a mobile radio receiver for a vehicle. The mobile radio receiver comprises a tuner front-end section, a location data port, a sensor port, a tuner front-end section parameter server port, and a data processing unit. In use, the location data port is provided for receiving tuner location data. The sensor port is provided for receiving at least one sensor signal measurement data. The tuner front-end section parameter server port is provided for sending the tuner location data and the at least one sensor signal measurement data and for receiving a set of tuner front-end section parameter data. The data processing unit is operably connected with the tuner front-end section, with the location data port, with the sensor port, and with the tuner front-end section parameter server port. The mobile radio receiver provides an operational mode, a checking mode, a tuner parameter retrieval mode, and a tuner parameter application mode.

Flat knitting machine

The invention relates to a flat knitting machine which mainly comprises a frame, a needle plate, a machine head, a transmission mechanism which is connected with the machine head in a transmission manner and a yarn-feeding mechanism, wherein the yarn-feeding mechanism is provided and connected with a detection device; the detection device comprises a yarn guide bracket arranged on the frame, a light source arranged in the bracket, an optical receiver which faces the light source and is used for detecting the projected area of the yarn, small holes between the optical receiver and the light source and a warning device connected with the optical receiver; and the diameter of each small hole is slightly larger than that of a yarn.

Take intelligence switch of emergency light

The utility model provides a take intelligence switch of emergency light, by switch case (1), circular alternating current switch (2), emergency light hand switch (3), LED emergency lighting lamp (4), brightness induction switch (5), the LED emergency lighting lamp, a switch circuit (6) of taking the emergency light, emergency light terminal (7), take battery charging circuit battery (8), power binding post (9) are constituteed, the power connects on power binding post (9), storage battery charging circuit (8) are to storage battery charging, during the power failure, LED emergency lighting lamp (4) power supply is given through switch circuit (6) of taking the emergency light to the electric current, control LED emergency lighting lamp (4) through luminance switch response (5), LED emergency lighting lamp (4) did not work when had a power failure daytime, the LED emergency lighting lamp was lighted when had a power failure evening, the part emergency light need not opened during if have ...

Emergency light luminance adjustable intelligence switch

The utility model provides an emergency light luminance adjustable intelligence switch, by switch case (1), rectangle alternating current switch (2), brightness induction switch (3), luminance adjustable LED emergency lighting lamp (4), a switch circuit (5) of taking the emergency light, power binding post (6), emergency light terminal (7), take charging circuit's battery (8) to constitute, the power connects on power binding post (6), storage battery charging circuit (8) are to storage battery charging, during the power failure, luminance adjustable LED emergency lighting lamp (4) power supply is given through switch circuit (5) of taking the emergency light to the electric current, control luminance adjustable LED emergency lighting lamp (4) through luminance switch response (5), LED emergency lighting lamp (4) did not work when had a power failure daytime, the LED emergency lighting lamp was lighted when had a power failure evening, the luminance of manual regulation luminance adjustable ...

Method for manufacturing high-AR and fine-line PCB

The invention provides a method for manufacturing a high-AR (aspect ratio) and fine-line PCB (printed circuit board), which comprises the following steps: (1) preparing a PCB substrate; (2) carrying out PTH (plating through hole) process; (3) carrying out primary electroplating process; (4) carrying out primary pattern transfer; (5) carrying out pattern electroplating process; (6) removing dry film; (7) abrading the PCB substrate by an abrasive belt; (8) carrying out secondary electroplating process; (9) carrying out secondary pattern transfer; and (10) carrying out the acid etching process. By adopting the primary electroplating process and the secondary electroplating process and adopting the step for plating holes instead of surfaces with copper, the method of the invention can meet the requirements for the thickness of the hole copper, reduce the thickness of the surface copper and make the etching process easier at the same time, thus favoring for the production of fine-line and small-gap ...