40results about How to "Relieve pressure" patented technology

A wand mixer having a wand assembly that is detachable from the motor assembly as a single unit. The wand assembly includes a drive shaft that is enclosed within a tubular housing having a seal at the lower end for preventing entry of fluids and debris. First and second bearings at the ends of the tubular housing support both ends of the shaft so as to prevent deformation and damage of the seal when the wand assembly is removed from the motor assembly for cleaning. The wand assembly mounts to the motor assembly using a bayonet-type connection, and the motor and drive shafts are interconnected by an externally splined member that is received axially in an internally splined sleeve. The wand assembly can therefore be removed or mounted to the motor assembly by a convenient, manual turning and axial movement of the components.

A lavatory system has a cabinet including a base, a basin and a head extending above the basin. A water outlet / sensor is mounted in the head. A water supply line is connected to the water outlet. A solenoid valve in the water supply line controls the flow of water through the water supply line. A circuit board sends electrical signals to the solenoid valve for opening and closing the valve upon receipt of indications from a sensor as to whether a user hands is present or not. The solenoid valve, shut off valve, circuit board and sensor are mounted in the head with a sloped surface towards the basin. A manual shutoff valve mounted in the head is included in the supply line.

The invention discloses a message subscription management apparatus and method. The message subscription management apparatus comprises a receiving module used for receiving a new message created by a message creator, a first generation module used for generating a message identifier corresponding to the new message, an acquisition module used for acquiring a subscription user identifier of a subscription user of the message creator, and a storage module used for storing the message identifier in a preset storage region according to the subscription user identifier, wherein the preset storage region comprises subscription user identifier fields corresponding to the subscription user and message identifier array fields in one-to-one correspondence with the subscription user identifier fields, and the message identifier is stored in the message identifier array fields. According to the apparatus and the method, a message detail storage mode is improved, so that the data storage capacity is greatly reduced, the pressures of a server and a database are reduced, and the overall performance of the server is improved.

The invention provides a method for treating waste emulsion. The method comprises the following steps: performing oil slick removal treatment on the waste emulsion to be treated to remove oil slick therein; performing oil-water separation treatment on the waste emulsion without oil slick to remove disperse oil therein; performing electrochemical treatment on the waste emulsion after the oil-water separation treatment to obtain roughly treated waste emulsion in which the oil slick and disperse oil are removed and the emulsified oil and dissolved oil are flocculated; and performing static settlement and ultrafiltration treatment on the roughly treated waste emulsion to obtain clear water without oil slick, disperse oil, emulsified oil or dissolved oil, wherein the electrochemical treatment is performed by use of energized aluminum plate and a nano ceramic membrane, and the ultrafiltration treatment is performed by use of the power-off nano ceramic membrane. Through the treatment of the method provided by the invention, the water quality of the yielding water is good, and the yielding water can completely meet the limitation requirements on the discharge into a public sewage treatment system in the Integrated Discharge Standard of Water Pollutants DB11 / 307-2013 of Beijing.

The invention discloses an impeller of a single-air-inlet bidirectional multi-blade centrifugal fan. The impeller comprises a wheel disc, a lower-layer blade, an upper-layer blade, a first wheel cover, a second wheel cover and a third wheel cover, wherein the lower-layer blade, the upper-layer blade, the first wheel cover, the second wheel cover and the third wheel cover are positioned on the wheel disc; the first wheel cover, the lower-layer blade, the second wheel cover, the upper-layer blade and the third wheel cover are sequentially distributed from top to bottom; various blades in the lower-layer blade are arranged in the circumferential direction; various blades in the upper-layer blade are arranged in the circumferential direction; the upper-layer blade and the lower-layer blade aresymmetrically distributed in the radial direction; an inlet mounting angle beta1 of the upper-layer blade is 70 to 90 degrees, and an outlet mounting angle beta2 of the lower-layer blade is 150 to 180 degrees; the various blades of the upper-layer blade are all of front-bending blades; and the various blades of the lower-layer blade are of back-bending blades. According to the impeller, the air volume of the multi-blade centrifugal fan can be effectively improved, and surface pressure pulsation of the blades and vortex noises of blade channels are reduced.

The invention provides a method for extracting valuable metal elements from coal gangue. The method comprises the following steps of: crushing and grinding coal gangue ore, performing supercritical / subcritical water activation, classifying the coal gangue ore into an organic liquid phase and a slag phase by a hydrocyclone, and synthesizing carbon dioxide and water from the organic liquid phase through a supercritical reaction, wherein the carbon dioxide is used for a subsequent sodium aluminate reaction to obtain aluminum hydroxide, the water is used for supplementing water to a shaking table, and the slag phase passes through the shaking table to obtain enriched ore of carbon and silicon dioxide, aluminum oxide, silicate and ore containing a small amount of titanium and iron elements. Carbon and silicon dioxide are separated and collected through electric separation, aluminum oxide, silicate and ore containing a small amount of titanium and iron elements are added into sodium carbonate and calcium carbonate to be roasted and dissolved after roasting, slag of calcium silicate and calcium titanate is obtained and can be used as a coating, a dissolving solution contains sodium aluminate, sodium ferrite and other substances, sodium hydroxide is added into the dissolving solution to generate ferric hydroxide and sodium aluminate, the ferric hydroxide can be used as a coating, and carbon dioxide is introduced into the sodium aluminate to generate aluminum hydroxide which is used as an inorganic flame-retardant additive.

An exhaust manifold includes: a double collecting pipe having an inner pipe, including a collecting pipe portion and branch pipe portions, and an outer pipe, covering the collecting and branch pipe portions and thicker than the inner pipe; and an inner pipe retainer having semi-circular portions and a connecting portion, and thicker than the inner pipe and thinner than the outer pipe. The inner pipe retainer connects the inner and outer pipes with a gap therebetween. Exhaust gas from exhaust ports of a set of cylinders is introduced into the collecting pipe portion through the branch pipe portions. The total spot-welded area of the outer peripheral portions of the branch pipe portions and the inner peripheral portions of the semi-circular portions is larger than that of the inner peripheral portion of the outer pipe and the outer peripheral portions of the semi-circular portions.

The invention discloses a downloading method, device, client and system, and a computer readable storage medium. The method comprises the steps of according to attribute information of a file of a received file downloading command, acquiring the HTTP downloading path of the file and the information of a remote client capable of providing downloading, and generating a to-be-downloaded section of the file in an uncompleted section; when the to-be-downloaded section of the file in the uncompleted section is detected, acquiring a preset quantity of HTTP fragment sections and a P2P fragment sectionfrom the to-be-downloaded section of the file; according to the HTTP fragment sections and the HTTP downloading path, concurrently downloading the preset quantity of HTTP data pieces from an HTTP server; according to the P2P fragment section and the information of the remote client, downloading P2P data pieces from the remote client; and writing the HTTP data pierces and the P2P data pieces intothe completed section, and acquiring the file from the completed section. According to the method, device, client and system provided by the invention, the downloading speed can be improved under thecondition of relatively poor network.

A location sharing component operating on a mobile computing device is configured to enable a local party and a remote party to share each other's locations during a phone call to facilitate a physical meet-up. The location sharing component exposes various options to set a length of time for the location sharing or the location can be shared up until the meet-up occurs. User interfaces (UIs) exposed by the location sharing component can provide directions and dynamically updated maps which show the locations of the parties. The location sharing experience can be persisted after the phone call ends by showing updates to the directions and maps and by surfacing notifications when the parties are close so that they can start looking for each other. The location sharing time interval can be extended if it is due to expire before the meet-up occurs.

The invention relates to a differential pressure densimeter pressure protection device which comprises a corrugated pipe, a pressing cover, a spring and a corrugated pipe base. The corrugated pipe is arranged on the corrugated pipe base. The spring is connected to the outer portion of the pressing cover in a sleeved mode. A corrugated pipe inner cavity is arranged in the corrugated pipe. A channel which is communicated with the corrugated pipe inner cavity is arranged on the corrugated pipe base. The spring is pressed on the corrugated pipe through the pressing cover. The differential pressure densimeter pressure protection device is good in stability and can avoid waste.

The invention discloses a career planning experience system, which comprises a professional introduction and experience module, a psychological decompression module and an excitation selection module.After different data signals, sent from the professional introduction and experience module and the psychological decompression module, are subjected to screening, analyzing and matching with the information in a database, the data signals are transmitted to the excitation selection module. The excitation selection module is activated and then a plurality of matched professionals are recommended.The professional introduction and experience module comprises 574 different professional sub-introduction modules. Each sub-introduction module comprises a professional summary module, a professionalemployment module, a professional celebrity module, a professional elite school module and a professional experience module. The psychological decompression module comprises a leisure entertainment module and an emotion declaration module. The excitation selection module comprises a test module and a scene theme teaching module. According to the invention, the following functions are realized: (1) a proper professional is selected; (2) the psychological pressure is relieved; (3) the learning confidence is established; (4) the learning is carried out during playing; (5) the scene theme-based teaching is carried out.

The invention provides a hydraulic system for engineering machinery and the engineering machinery provided with the hydraulic system. The hydraulic system comprises a main pump for providing hydraulicoil to the hydraulic system in a positive flow control manner, multiple actuation mechanisms, a main valve set comprising multiple main valve elements and multiple pressure compensators, multiple operation parts for respectively inputting pilot pressure to the corresponding main valve elements, an electric control unit for storing flow characteristic curves corresponding to the multiple main valve elements, and multiple pressure sensors. The multiple pressure sensors are connected with the electric control unit for detecting the pilot pressure input by the corresponding operation parts and inputting pilot pressure signals to the electric control unit; the electric control unit calculates flows needed by all the corresponding main valve elements according to the pilot pressure values detected by the multiple pressure sensors based on the self-stored corresponding flow characteristic curves, and a total flow needed by the hydraulic system is calculated; and the main pump outputs corresponding displacement based on the total flow through the positive flow control mode.

The invention discloses a wafer transmission control method, which comprises the steps: inputting target gas into a process cavity, and carrying out vacuum exhaust, so that the process cavity is maintained at a first pressure; sequentially opening the gate valves of the process chamber and a transition chamber, and conveying a wafer from the transition chamber at a second pressure to a supportingneedle assembly rising in the process chamber at the first pressure, wherein the second pressure is larger than the first pressure, and the difference value of the second pressure and the first pressure is within a preset range; closing the gate valves of the transition chamber and the process chamber in sequence, and stopping inputting the target gas into the process chamber; keeping vacuum exhaust for a preset duration to reduce the concentration of the target gas in the process chamber; and controlling the supporting needle assembly to drive the wafer to descend so as to place the wafer onan electrostatic chuck located below the supporting needle assembly. According to the method, wafer sliding caused by air cushion effect can be weakened or eliminated, so that the problem of AWC datadiscretization after nitrogen pressure control is solved.

The invention relates to the field of skin beauty, in particular to a peel-off mudpack for balancing sebum and removing blackhead, and a preparation method thereof. The peel-off mudpack for balancingsebum and removing blackhead provided by the invention is prepared from sebum-balancing components and blackhead-removing components, wherein the sebum-balancing components comprise volcanic mud, marine mud and kaolin; the blackhead-removing components comprise polyvinyl alcohol and corn starch. The peel-off mudpack provided by the invention realizes double care on balancing sebum and removing blackhead through a peel-off mudpack way, and is moderate and non-irritating to face skins and eyes.

The invention provides a method for producing clostridium butyricum by using pichia pastoris fermentation bacterial sludge, wherein the method comprises the following steps: 1) diluting the pichia pastoris fermentation bacterial sludge into a yeast suspension; 2) placing the yeast suspension in a stirring reactor, and stirring and mixing evenly; 3) carrying out spray drying dehydration treatment of the evenly-mixed yeast suspension, to obtain a yeast powder; 4) adding the yeast powder instead of an organic nitrogen source to a clostridium butyricum culture medium, and carrying out anaerobic fermentation, to obtain a clostridium butyricum fermentation liquid; and 5) concentrating the clostridium butyricum fermentation liquid, and carrying out spray drying treatment, to obtain a clostridium butyricum powder preparation. The method can solve the problem of processing of the pichia pastoris fermentation bacterial sludge, reduces environmental pressure, achieves low emission of industrial production, also enables the nitrogen source required for clostridium butyricum culture to be replaced, reduces the production cost of enterprises, and has good market application prospects.

An abnormal sound detection method based on an edge cloud intelligent architecture is provided. The method comprises the following steps: collecting audio data on an edge end; deploying tasks that canbe processed by the edge end to an edge device as much as possible; using the Docker container technology to perform encapsulation on task processing operators on a cloud end to realize migration ofcomputing tasks, and storing an audio detection result; using a deep neural network model to perform abnormal sound determination; and performing message communication between different devices through the MTZT protocol. According to the method provided by the present invention, the pressures on the cloud computing center and the network bandwidth are alleviated, the system real-time performance and responsiveness are improved, and data security can be better protected.

The invention discloses a multi-purpose intelligent pad. The multi-purpose intelligent pad comprises an intelligent pad body, an operation system and a power supply system, wherein the operation system is used for operating the multi-purpose intelligent pad, the operation system comprises a control device and an operation terminal, and the power supply system is used for providing electricity forthe multi-purpose intelligent pad; the intelligent pad body comprises a semiconductor cold and hot panel and / or a function layer, the function layer comprises one or more of a wind flow layer, a fan layer and an air flow layer, the wind flow layer comprises a heating device, and each of the fan layer and the air flow layer comprises fans; and detachable connection is adopted between the semiconductor cold and hot panel and the function layer and among the layers of the function layer, and the intelligent pad body further comprises a temperature and humidity sensor. The multi-purpose intelligent pad provided by the invention has the layers in detachable assembly, then the demands of users are more conveniently and more comprehensively satisfied, and the popularization is easy; and the intelligence degree is high, the voice control, Bluetooth control and direct control of the operation terminal are available, and thus the control mode is convenient and flexible.

The invention discloses a production method of high-acid high-ester flavoring liquor, and belongs to the technical field of brewing. The invention aims at providing the method for producing high-acid high-ester flavoring liquor by using byproduct tail water oily matter (TOSL) in pure-grain Luzhou-flavor liquor brewing. The method comprises the following steps: firstly removing tail water and solid impurity from an acquired TOSL sample, refining, and then uniformly mixing refined TOSL with a high-degree edible alcohol water solution, rotary-evaporating the mixed solution, collecting fraction, reducing the degree of the fraction by using purified water to obtain the high-acid high-ester flavoring liquor. The byproduct in the brewing process is sufficiently utilized, the quality of the base liquor is improved, good economic benefit is brought, and the waste emission in the brewing process is reduced, and the environment pressure is lightened; and the production method meets the general trend of energy conservation and emission reduction initiated by the nation in the industrial production, and has good social benefit.

The present invention provides a CSRF attack protection method and device. The background server generates the token under the condition that the user request does not carry the token and writes the generated token into the browser cookie and the page request, and the token does not need to be stored in the background server, so that the pressure of the background server is reduced. When the user sends the user request again, the front-end preset script is triggered to run to write the token in the browser cookie and the page request into the user request, the background server realizes CSRF verification by judging whether the cookie in the user request is the same as the token in the parameter or not due to the fact that the browser cookie cannot be captured by a third party, the verification logic for binding the token with the user does not need to be added, and therefore, the CSRF attack problem can be simply and effectively solved.

The invention relates to an edible fungi cultivation nutrient for improving lignin conversion rate and a method for cultivating edible fungi using the nutrient. The edible fungi cultivation nutrient for improving the lignin conversion rate is mainly prepared from the following components in parts by mass: 18 to 40 parts of starch, 10 to 30 parts of vegetable protein, 20 to 45 parts of salt, 0.2 to1 part of betaine and 10 to 25.8 parts of sodium acetate. A nutrition regulation concept of ''combining inside and outside'' initiated in the edible fungi cultivation provided by the invention is very suitable for the growth and development of edible fungi, and can produce obvious economic benefits, and the edible fungi produced are environmentally friendly and pollution-free. The first domestically-developed idea of ''internal and external regulation'' and ''bacteria treatment with bacteria'' (good bacteria consume miscellaneous bacteria) of the edible fungi cultivation nutrient for improving the lignin conversion rate and the method for cultivating edible fungi using the nutrient achieves the ability to promote the disease resistance and production increase of the edible fungi, and theedible fungi produced meet the requirements of pollution-free products. The edible fungi cultivation nutrient for improving the lignin conversion rate and the method for cultivating edible fungi usingthe nutrient are suitable for factory production of edible fungi and production of export products.

The invention discloses a pressure measuring machine for a formaldehyde-free solid wood composite floor, and belongs to the technical field of formaldehyde-free solid wood composite floors, the pressure measuring machine comprises a pressing machine, a pneumatic cylinder is installed at the top of the pressing machine, a sliding rod is connected to one side of the interior of the pressing machine,a fixing column is connected to the bottom of the pressing machine, and a pressing head is installed at the bottom of the fixing column; a pressure detection plate is installed in the pressure head,a fixing plate is installed on one side of the pressure detection plate, a threaded rod is connected to one side of the fixing plate, a clamping block is arranged at the top of the pressure detectionplate, a clamping groove is connected to one side of the clamping block in a clamped mode, and a pressure-resistant block is connected to the upper portion of the interior of the pressure head. According to the invention, a plate is placed on a non-slip mat, and then baffle blocks slide on the slide rails, so that the surrounding baffle blocks fix the plate, and the plate is located below the pressure detection plate, so that the plate does not slip in the detection process under the action of the non-slip mat and the baffle blocks, and the detected data is more accurate.

A drainage device for a pump drain outlet comprises a drainage mechanism (30) and a drained water temporary storage mechanism (40). The drainage mechanism (30) comprises an outer cover plate (31), a drainage plate (32), and a rotary connecting part. The drained water temporary storage mechanism (40) comprises a water tank, the water tank having a cavity and having an opening on an upper surface. The outer cover plate (31) can rotate around the rotary connecting part, and block the water flow at a pump drain outlet (21). One end of the drainage plate (32) is fixed to the outer cover plate (31), the other end is disposed above the opening, and the drainage plate (32) diverts the water flow blocked at the pump drain outlet (21) into the water tank through the opening. Also disclosed is a dehumidifier comprising the drainage device for a pump drain outlet.

The invention relates to a method for evaluating malt lipid oxidation degree, and lipoxygenase enzymatic reaction promotion substance content, lipoxygenase enzymatic reaction inhibition substance content, trans-2-nonenal content, nonenal precursor content and lipoxygenase activity are selected as evaluation factors for establishment of a malt lipid oxidation comprehensive evaluation system. According to the method, multiple factors influencing the malt lipid oxidation degree are selected for establishment of the comprehensive evaluation system for the evaluation of the malt lipid oxidation degree, so that freshness of beer can be predicted in advance, and the method is essential to ensure the quality of the beer. The method not only can be used to evaluate the lipid oxidation degree of a single malt sample, but also can be used for macroscopic analysis of different malt varieties and research of difference of the varieties.

The invention discloses a mounting structure of an LED power module. The mounting structure comprises a plug of which the right end is connected to an LED lamp, and the outside surface of the right end of the plug is provided with three clamping pieces which are of arc structures; one ends of the clamping pieces are hinged with the right end of the plug through hinge pins, and the other ends of the clamping pieces come into contact with the LED lamp; the left end of the plug is connected to a plug cover of which the right end is open, and the left end of the plug cover is closed; the left endface of the plug cover is provided with threaded holes, and the plug cover is internally provided with a circular stress plate connected to the plug cover with screws; and the right side of the stressplate is provided with a mounting plate which is provided with a power baseplate, and the power baseplate is used for arranging the LED power module, and arranged on the mounting plate with the screws. The mounting structure disclosed by the invention has the advantages of simple structure, and easy installation and removal, and the installation function of the LED power module can be achieved; and the problems proposed in the background technology can be solved effectively, and the mounting structure is worthy of promotion.