56results about How to "Avoid ventilation" patented technology

Disclosed herein are methods for treating a vascular leak disorder, hypotension, or a procoagulant state using angiopoietin-2 (Ang-2) antagonist compounds. Also disclosed are methods for treating a vascular leak disorder associated with high dose IL-2 therapy using angiopoietin-2 antagonist compounds. Methods for diagnosing and monitoring vascular leak disorders, hypotension, or a procoagulant state that include the measurement of Ang-2 polypeptide or nucleic acid levels are also disclosed. Methods for inducing a vascular leak using an Ang-2 agonist are also disclosed.

Disclosed is an oven cooker for barbecue to resolve problems of difficult manipulation in charcoal supply or exchange of a charcoal case, which causes fire and burns. The oven cooker for barbecue of the present invention includes a main body mounted with hangers for cooking stuff inside an inlet and formed with an opening at a lower part, and a charcoal base mounted with a charcoal case in a lower part thereof and detachably mounted to the opening of the main body at an upper end, wherein a movable frame mounted with the charcoal base via a supporting ring at an upper part is movable by mounting a plurality of casters at a lower part, and mounted with a cam shaft at the lower part and mounted with cams by a handle to control lifting of the charcoal case, and wherein the charcoal base is mounted with the charcoal case having ventilation holes and a tray provided with a barrier wall covers the ventilation holes of the charcoal case with a distance the ventilation holes, so that oil of foodstuff is prevented from being introduced into the charcoal case via the ventilation holes. Therefore, any unskilled persons such as women or old people may detach or attach the charcoal base to or from the main body without suffering such as fire or burns, and cooking stuff may be supplied with high quality without black dirt caused by the dropping oil.

Devices and methods for allowing for improved assisted ventilation of a patient. The methods and devices provide a number of benefits over conventional approaches for assisted ventilation. For example, the methods and devices described herein permit blind insertion of a device that can allow ventilation regardless of whether the device is positioned within a trachea or an esophagus.

A sanitary napkin including a liquid-absorbing section for absorbing body exudate and a breathable extension component adjacent the rear portion of the liquid-absorbing section. The breathable extension component is preferably free of absorbent material and has a moisture vapor transmission rate of at least about 3000 g / m2 / day to allow moisture trapped between the breathable extension component and the skin of the wearer to evaporate.

The present invention relates to medical instruments, and particularly to an improved micro-blood-sample collection tube. The auto-suction quantitative micro-blood-sample collection tube of the present invention comprises a micro-blood-sample collection tube which opens at both ends and is of pass-through construction, and a compressible air bag which opens at one end and is hollow. Said micro-blood-sample collection tube is made of hydrophilic material. One end of the micro-blood-sample collection tube is inserted and secured in a port of the air bag, and the inner cavity of the micro-blood-sample collection tube is communicated with the inner cavity of the air bag. The wall of the air bag is provided with a ventilation hole leading to the inner cavity of said air bag. The present invention does not need hydrophilic treatment, has low cost, highly marketable, and greatly increases the accuracy and efficiency of the blood-sampling process.

The invention discloses a solar-powered ventilation roller shutter sun-shading device and method. A roller shutter box of the device is installed on a wall body and is of a cavity structure, and a solar thin-film battery is arranged on the outer surface of the side facing the outside, of the upper surface of the roller shutter box. A solar radiation sensor and a temperature sensor are arranged outside the solar thin-film battery, an air inlet shutters are installed at the bottom of the roller shutter box, air outlet shutters are arranged on the side faces of the roller shutter box and face the indoor side. A tubular motor is installed inside the roller shutter box, the upper end of a flexible roller shutter is connected with the tubular motor, and the lower end of the flexible roller shutter is fixed to a bottom rod. The input end of a calculator is connected with a charging battery, the solar radiation sensor and the temperature sensor respectively, the output end of the calculator is connected with a controller, the tubular motor and an axial fan respectively. The solar-powered ventilation roller shutter sun-shading device and method fully utilizes solar energy and can simultaneously achieve sun-shading and ventilation of a building external window, facilitate improvement of indoor air quality and heat comfort, shorten air-conditioning time and save air-conditioning electric quantity.

The invention relates to a trachea cannula capable of removing sputum accumulation and relieving inflammatory reaction. The trachea cannula is provided with a cannula body, a breathing machine connector, an air vent, an airbag, an inflating passage and an inflating tube, wherein hydrophobic and oleophobic layers are arranged on the inner wall and the outer wall of the cannula body as well as on the outer wall of the airbag; a plurality of convex rings are arranged on the airbag, and the convex ring at the nearest end protrudes towards a near end, so that an accommodating groove is formed between a balloon and the cannula body; the edge of the air vent is coiled towards the near end, so that a receiving groove is formed; a sputum suction passage is formed in the inner wall of the cannula body; the sputum suction passage is provided with a first sputum suction hole and a second sputum suction hole; an opening at the far end of the sputum suction passage is a third sputum suction hole; the first sputum suction hole is opened outwards; the second sputum suction hole communicates with the accommodating groove; the third sputum suction hole communicates with the receiving groove; and a sputum suction tube is connected to the near end of the sputum suction passage. With the application of the trachea cannula provided by the invention, sputum can be thoroughly removed, planting and growth of pathogenic bacteria can be relieved, and an infection probability and an occurrence rate of the inflammatory reaction can be reduced; and the trachea cannula is fixed more firmly and cannot cause displacement and air leakage easily.

The invention relates to a gob-side entry driving method based on a complete period of roadway service and adopting a grouting anchor cable, belongs to the technical field of coal mining, and solves the problems of difficult supporting in an existing gob-side entry driving period, and complex advanced supporting operation and high labor intensity of workers in a later-period working face stoping period. The gob-side entry driving method comprises the following steps: driving along the edges of gobs in adjacent sections; laying metal meshes on the top plate and the two sides of a roadway; installing the hollow grouting anchor cable in a anchor cable hole in the top plate of the roadway, and installing a hollow grouting anchor rod and a high-strength anchor rod in anchor rod holes in the side of a coal pillar and the side of a working face separately; distributing observation equipment used for monitoring the fracture development of surrounding rock of the roadway on the surrounding rockof the roadway, and obtaining the fracture development degree of the surrounding rock of the roadway through the observation equipment; grouting to the hollow grouting anchor cable and the hollow grouting anchor rod on the basis of the fracture development degree of the surrounding rock of the roadway; and step S6, continuously cyclically repeating the steps S1-S5 until the gob-side entry drivingis completed. The gob-side entry driving method is easy to operate, and capable of greatly reducing the labor intensity of the workers, and the cost.

The present invention discloses a two-way variable air volume ventilation temperature control and humidification system for granaries and a control method of the two-way variable air volume ventilation temperature control and humidification system. The system comprises an air mixing box, a two-way ventilator, a ventilation pipe, a humidifier, a temperature and humidity detection cable and a measurement and control device. By analyzing temperature and humidity values of inside and outside of the granaries and different depths of grain piles measured by sensors on the temperature and humidity detection cable, when temperature control conditions are met, the system selects an open type or circulating type ventilation method, besides, forward or reverse rotations of the ventilator are utilizedto implement upward type or downward type ventilation, when humidification conditions are met, the humidifier is started, and besides, a frequency converter adjusts rotation of the ventilator to change air volume and humidification volume. The system operation and control method can control space temperature and humidity in the granaries or temperature and humidity of the grain piles within a setsafe storage temperature range and an equilibrium relative humidity range corresponding to safe storage moisture, thereby reducing quality deterioration and water loss during a grain storage period,reducing storage loss and ensuring safe grain storage.

A solar panel includes an inlet manifold, an outlet manifold spaced apart from the inlet manifold, and a plurality of pipes having a first end in open fluid communication with the inlet manifold and a second end in open fluid communication with the outlet manifold. A box-shaped cover formed of a polycarbonate material is disposed in ensleeving relation to the plurality of pipes. The box-shaped cover has a length at least slightly less than the distance between the inlet and outlet manifolds so that opposite ends of pipes in the plurality of pipes are exposed to ambient. The cover substantially prevents ventilation of the plurality of pipes and thus allows water temperatures in the panel to rise higher than possible in the absence of such cover. The exposure of the opposite ends of the pipes to ambient prevents water temperatures in the panel from exceeding a predetermined temperature.

The invention relates to a sewage treatment process, in particular to an integrated sewage bio-treatment column, comprising a regulating tank, a hydrolytic acidification tank, an anoxic tank, an aerobic tank and a settling tank; sewage enters the tanks in order. The regulating tank is tower shaped. The hydrolytic acidification tank, the anoxic tank, the aerobic tank and the settling tank are located at the top of the regulating tank. A body of the regulating tank is provided with a subsurface wetland water treatment system having multiple dry layers; the subsurface wetland water treatment system comprises a water distribution area, a plurality of subsurface wetland water treatment units, and a water collection channel; each subsurface wetland water treatment unit comprises microorganism immobilized filler, a primary subsurface wetland, an overflow wall and a secondary subsurface wetland. According to the integrated sewage bio-treatment column, a sewage pretreatment system and a subsurface wetland treatment system are effectively combined, and the subsurface wetland water treatment system in multiple tiers, the overflow wall and upper water distribution pipes are in natural contact with the air, aeration is performed, and thus sewage treatment effect is greatly improved.

The invention provides a city planning method utilizing an open-type sunken road. The city planning method comprises the following steps of determining the layout of a ground road, an open-type sunken road and a construction land and forming a layered mesh city pattern, by combining the topography and geomorphology as well as the existing buildings in a planning land; planning buildings, squares, green lands, infrastructures and underground space in the planning land according to the requirements on the development goal, the population scale and the control index of a planning city in the overall city planning; and proposing the next-step construction control index for the obtained city functional space, and performing professional technical docking on the architectural design, transportation planning and municipal engineering. According to the city planning method disclosed by the invention, the open-type sunken road is utilized, so that the ground road and the open-type sunken road form staggered layers to realize the functions of separation of pedestrians from vehicles, natural lighting and ventilation of underground space, and the like, and not only is the city development space expanded, but also the environmental quality of the underground space of the city is improved.

The invention relates to a parking brake modulator (1) for controlling a parking brake mode of brakes of a vehicle, to the use of a brake modulator as a parking brake modulator (1) and to a brake system comprising said parking brake modulator (1). The parking brake modulator (1) comprises at least one compressed air inlet (2) via which compressed air is supplied to the parking brake modulator (1). The parking brake modulator (1) further comprises at least one electromagnetically operated valve element (23), a second electromagnetically operated valve element (24) and a third electromagnetically operated valve element (25). A pneumatic pressure in a compressed air line (30, 34) can be controlled via the first valve element (23) and is made available at a first compressed air outlet (3) of the parking brake modulator (1). A pneumatic pressure in a compressed air line (31, 35) can be controlled via the second valve element (24) and is made available at a second compressed air outlet (4) of the parking brake modulator (1). In the non-energized state of the first valve element (23) and in the non-energized state of the second valve element (24), the first compressed air line (30, 34) can be bled via the first valve element (23) and the second compressed air line (31, 35) can be bled via the second valve element (24). When the first valve element (23) is non-energized and the second valve element (24) is non-energized, too, while the third valve element (25) is energized, the first compressed air line (30) can be bled via the first valve element (23) and the second compressed air line (31) can be bled via the second valve element (24).

The invention relates to the technical field of medical devices, in particular to a tracheal intubation. The tracheal intubation includes an intubation body and a balloon pipeline connected with the intubation body. The balloon pipeline is internally provided with a balloon cavity, an inflation pipeline communicating with the balloon cavity is arranged on the pipe wall of one side of the intubation body, a hollow plastic elastic supporting body extending into the balloon pipeline is arranged at the position, located between the inflation pipeline and the pipe wall of the other side of the intubation body, inside the intubation body, the inflation pipeline is connected with an inflation wire arranged outside of the intubation body, and the inflation wire is provided with a control device for controlling the on-off of the inflation wire. According to the tracheal intubation, the plastic elastic supporting body such as a plastic spring is arranged in the intubation, so that the overall compression resistance and flexibility of the tracheal intubation are better than the use of a steel wire spring, the problem of poor ventilation due to the collapse of the tracheal intubation and the blockage of the tracheal intubation is solved, so that the tracheal intubation can still be kept unblocked under the condition of the folding, and the occurrence of medical accidents is prevented.

The invention discloses a mill construction of an overhanging type air inlet ventilation outer wall, which comprises a mill steel column (1). A big overhanging type open air inlet steel support (2) is connected below the lower neutralizing interface of the outer side of the mill steel column (1); the top surface of the big overhanging type open air inlet steel support (2) is provided with a baffle; the outer side of the big overhanging type open air inlet steel support (2) is provided with a rain-proof louvre blade (5); the outer side of the upper part of the mill steel column (1) is connected with an upper outer wall; and the upper outer wall is provided with a lighting arrangement near the position of a cornice. Firstly, the invention can enable the ventilation rate in a mill to be increased a lot, thereby ensuring the mill to have air with relatively stable flowing, secondly, the invention can avoid the increase of heat in a heat production workshop due to the perpendicular incidence of sunlight, and thirdly, the invention can lower the temperature of the surface of equipment in the heat production workshop, improve the work environment of the equipment in the workshop and prolong the service life of the equipment.

A waterproof, breathable bag that defines an interior space completely surrounded by waterproof material, at least part of said waterproof material also being a breathable multi-layered material that includes a layer of waterproof, breathable material to prevent the passage of water and to allow the passage of air therethrough; wherein the waterproof, breathable bag includes in its interior a heating device that includes a heating resistor in thermal contact with the inside air of the bag, a battery also housed in said bag and connected to a heating resistor and a controller device.

The invention discloses an automatic air door remote control system. A server terminal and an air door operation and maintenance system based on server terminal running are included. The air door operation and maintenance system is connected with a cross-layer cross-domain remote operation and maintenance frame, and the cross-layer cross-domain remote operation and maintenance frame can be constructed on the basis of a PaaS cloud-edge-end mode, can also be constructed on the basis of an embedded sensor asset management mode or is constructed on the basis of a well upper and well lower cloud-edge-end mode. The air door operation and maintenance system is remotely connected with a PLC through the cross-layer cross-domain remote operation and maintenance frame. The control module input end ofthe PLC is electrically connected with an AI image processing chip, the AI image processing chip is electrically connected with an infrared thermal imaging sensor, and the control module output end of the PLC is electrically connected with an air door equipment unit. The PLC control technology, an infrared detection sensor and the image recognition technology are adopted in the control system forimplementing monitoring management, and comprehensive automatic management, accurate recognition, remote monitoring, rapid fault diagnosis and other intelligent functions are achieved.

Tents are disclosed herein. The tent comprises a tent frame that, when assembled, forms an assembled tent frame that is configured to support the tent on a support surface and define an inner space between the assembled tent frame and the support surface. The tent also comprises at least one clearance pole that, when operatively coupled to the assembled tent frame, extends away from the inner space to define an outer space, and a clearance mechanism that is configured to operatively couple the at least one clearance pole to the assembled tent frame and orient the at least one clearance pole to project in an upward direction relative to the support surface. The clearance mechanism includes a connector that is configured to operatively couple the at least one clearance pole to the tent frame.

The invention discloses a semiconductor low-temperature micro specimen collecting and transporting device. The semiconductor low-temperature micro specimen collecting and transporting device comprisesa collecting box body and rotating columns, wherein the outer wall of the collecting box body is connected with a fixed connecting rod, outer rings are arranged inside the collecting box body, the bottom ends of the outer rings are connected with driving wheels, the left sides of the outer rings are connected with connecting pieces, the sides, far away from the outer rings, of the connecting pieces are connected with inner rings, the rotating columns are inserted inside the rotating columns, and placing bins are connected to one sides, far away from the inner rings, of the rotating columns. According to the device, specimens in the device can be effectively protected from being affected by the outside during transportation, the situation that the specimens in the device are damaged due tobumping in the transportation process, the inside of the device is polluted due to the damage of the specimens, and immeasurable loss can be caused is avoided, vertical shaking of supporting legs isdriven when the device bears external action force, and first springs and second springs which are arranged inside achieve the good buffering function.

The invention discloses an intelligent control method for grain storage ventilation, which relates to the technical field of grain storage ventilation temperature control and humidity adjustment. The present invention adopts an intelligent control system composed of a touch screen and a PLC programmable controller, which integrates technologies such as electronic detection, intelligent analysis, automatic control and mechanical ventilation of grain storage, and detects the temperature inside and outside the grain pile in real time through the electronic grain detection technology. Humidity and other ventilation parameters are quickly analyzed and judged by intelligent analysis software. When the storage grain ventilation conditions are met, the automatic control equipment will open the ventilation facilities and start ventilation. During the ventilation process, the system regularly detects the changes in ventilation parameters such as temperature and humidity inside and outside the grain pile. When it is not suitable for ventilation, the system will automatically close the ventilation facilities and stop ventilation. The invention makes it possible to realize accurate control of grain surface temperature and grain pile temperature in the most simplified control mode, meet the requirements of granary ventilation, and achieve obvious effect of temperature control and energy saving.

An apparatus for natural ventilation of a room, with a room delimited by walls. At least one door or one window includes a fixed stationary frame surrounding a movable opening frame, a ventilation passage provided on the door or the window and which communicates between the outside of the room and the inside of the room in such a way as to allow natural ventilation between the outside and inside of said room, and a noise absorber capable of attenuating sound waves propagating in the ventilation passage, the attenuation being realized by the generation of a counter-noise which is superimposed on the sound waves or by absorbing all or part of said sound waves.

The invention relates to a single-ended station for arranging movable rescue cabins or trains of movable rescue cabins, which is used for installation and movement of movable rescue cabins or trains of movable rescue cabins in mines or tunnels , the site includes: a space structure for installing movable rescue cabins and rows of movable rescue cabins, the space structure is composed of a layout section and a ramp section at one end of the layout section connecting the layout section and the roadway; A track, a monorail crane or a road system for moving the movable rescue cabin and the row of movable rescue cabins are arranged in it. The invention can effectively improve the anti-explosion impact ability of the movable rescue cabin and the row of movable rescue cabins, and reduce the influence of the movable rescue cabin and the row of movable rescue cabins on the ventilation and transportation of the roadway when the movable rescue cabin and the row of movable rescue cabins are placed underground, especially making the movable The rescue cabin and the movable rescue cabin can be moved in and out flexibly and conveniently in the layout area, which is conducive to the rapid construction of underground emergency escape facilities in mines.

The invention relates to a double-ended station for arranging movable rescue cabins or rows of movable rescue cabins, which is used for installation and movement of movable rescue cabins or rows of movable rescue cabins in mines or tunnels , the site includes: a space structure for installing movable rescue cabins and rows of movable rescue cabins. The structure is provided with rails, monorail cranes or road systems for moving the movable rescue cabin and the row of movable rescue cabins. The invention can effectively improve the anti-explosion impact ability of the movable rescue cabin and the row of movable rescue cabins, and reduce the influence of the movable rescue cabin and the row of movable rescue cabins on the ventilation and transportation of the roadway when the movable rescue cabin and the row of movable rescue cabins are placed underground, especially making the movable The rescue cabin and the movable rescue cabin can be moved in and out flexibly and conveniently in the layout area, which is conducive to the rapid construction of underground emergency escape facilities in mines.

The invention discloses an energy-saving and environment-friendly stereoscopic agricultural planting device which comprises a box body, a sealing cover, through holes, planting boxes, climbing rods, awater spraying pipe, an electromagnetic valve, a connecting pipe, a water pump, a water storage tank, spraying nozzles, a PLC, a protecting climbing net structure, a fertilizer applying and pesticidespraying pipe structure and a ventilating and detecting cylinder structure. The sealing cover is inserted in the top of the box body. The through holes are formed in the left side and the right sidein the sealing cover. The planting boxes are installed on the left side and the right side of the lower side in the box body. The climbing rods are installed in the longitudinal middles in the planting boxes. The agricultural planting device has the advantages that by arranging the ventilating and detecting cylinder structure, the ventilating effect of the agricultural planting device can be easily improved, and the problem that due to the poor ventilating effect, crops are influences is avoided; by arranging the fertilizer applying and pesticide spraying pipe structure, fertilizer applying and pesticide spraying can be easily and conveniently conducted on the crops, and the function of the agricultural planting device is increased.

An apparatus for ventilation of a casting mold has two mold halves that lie opposite one another and are complementary, in terms of shape and function, to one another. The halves have a plurality of elevations and / or depressions, in each instance, which run essentially parallel to one another and essentially transverse to a flow direction, on their surfaces that face one another, in such a manner that when the mold halves are set onto one another, a gap having an inlet and an outlet forms between the mold halves, at least in part. The gap is washboard-shaped, labyrinth-shaped and / or meander-shaped. Through the gap, air displaced out of the casting mold and excess molten material flow during filling of the casting mold. At least one mold half is formed by multiple segments disposed next to one another in the longitudinal direction of the mold half and releasably attached.

The invention discloses a method for planting dragon fruit. The method comprises the following steps: step 1, pre-planting treatment, wherein land is prepared 2 months before planting, and nutritive fertilizer is uniformly applied according to the amount of 3kg / mu; step 2, seedling pretreatment, wherein the rhizomes of dragon fruit seedlings are washed with distilled water 3 times, soaked in a soaking solution for 10 min, fished out and dried, then the rhizomes are soaked in a soaking solution for 5 min, fished out and dried, finally the rhizomes are soaked in a seed coating agent with the mass fraction of 8% for 2 min, and then pretreated dragon fruit seedlings are obtained; Step 3, planting frame building; step 4, planting. The method for planting dragon fruit is practical and convenient, the problems that fog is large, ventilation is not good and light is poor are avoided in frame building for planting, the defect that dragon fruit plants are infected with diseases is avoided, and the survival rate is high. The dragon fruit obtained by the method is sweeter, more nutritious and more beneficial to human health.