63results about How to "Reduce encroachment" patented technology

A vent pipe cover having a double walled body for engaging the outermost surface of a vent pipe. The upper end of the body is capped and gas flow passages are provided by first apertures extending through an inner wall and second apertures extending through an outer wall. The apertures are generally formed in at least an upper portion of the body. The body comprises a length sufficient to provide adequate head space for the flow of gasses above the upper edge of the pipe. An insulator may be positioned between the inner and outer walls to reduce heat loss through the pipe. A flared skirt extending from the lower surface of the outer wall includes cutting lines to adapt the vent pipe cover to roofs of differing pitches. One or more deformable clips are used to releaseably engage an inner most surface of the pipe cover with the outermost surface of the vent pipe.

A retraction apparatus and method are disclosed that provide optimized access to a surgical site. In one form, a retraction frame has a retraction opening with two sets of blades operating therein. The blades are used to sequentially retract the tissue from about an incision. The sequential retraction of the blades generates only narrow gaps between the blades so that tissue and blood encroachment during the surgical procedure are minimized.

The invention relates to an unsteamed concrete air-filled insulating brick produced from building waste, and a production method of the insulating brick. The insulating brick is prepared from the raw materials in parts by weight: 30-40 parts of cement, 20-30 parts of aggregate, 8-10 parts of CaO, 3-5 parts of CaSO4, 3-5 parts of carbamide, 3-5 parts of polyvinyl alcohol, 5-10 parts of cellulose hydroxypropyl methyl, 3-5 parts of calcium formate, 5-10 parts of foaming agent and 40-60 parts of external water, wherein cement contains one or more than two of common silicate, high-alumina cement, fly ash cement, alumina cement and aluminate cement; the aggregate is building waste with the particle size being less than or equal to 5mm; and the foaming agent contains one or more than two of aluminium powder, aluminium powder paste, hydrogen peroxide and sodium hydrogen carbonate. The unsteamedconcrete insulating brick is prepared by material preparing, mixing, injection molding and curing. Therefore, the land occupation and the living environmental pollution caused by the building waste can be effectively reduced, and the produced unsteamed concrete air-filled insulating brick has the advantages of good heat insulation effect, light weight, good sound insulation effect and high strength, and can be nailed and sawed; and the construction intensity can be reduced.

The invention discloses an inclined separated layer solid filling coal mining method for a super thick coal seam, which is suitable for the exploitation of an 'under three' super thick coal seam. The method comprises the following steps: determining the number of inclined separated layers according to the principle that thickness of each separated layer is 2.5-4.5 m; adopting a exploitation sequence that mining layer by layer, and filling at a next row; arranging tunnels and equipment according to the conventional solid filling coal mining method; carrying out a circulating sequence that coal mining firstly, metal nets and bamboo fences paving secondly, and filling finally to complete the filling exploitation of a first mining surface and a first separated layer; meanwhile, mining according to the same filling coal mining method under the shield of a manual false roof formed by the first separated layer at the corresponding position of a second separated layer 4 months after a working face of the first separated layer finishes mining; circulating in the way that the exploitation of one separated layer is performed under the shield of a manual false roof manufactured by an upper separated layer continuously until the whole super thick coal seam is mined out. Through the adoption of the method, resources of the 'under three' super thick coal seam can be utilized, the rock formation movement and earth surface sinking can be effectively controlled; and the recovery ratio is high, the production efficiency is high, the cost is low, and the method has wide practicability in the field of thick coal seam filling exploitation.

There is provided a display apparatus including a display capable of displaying a plurality of windows using a browser, a device such as a touch panel that detects a screen operation on the display performed by a user, a selection unit that selects a first window specified by the user according to a first screen operation detected by the device, and a screen region setting unit that sets the screen region of a second window with respect to the selected first window in an orientation of a browser, according to a second screen operation of the user following the first screen operation, detected by the device, the screen region of the second window corresponding to the second screen operation.

The invention belongs to the technical field of enamel material, and specifically relates to a vanadium-titanium enamel glaze material, and a preparation method thereof. The preparation method is used for solving technical problems that cost of a conventional vanadium-titanium enamel glaze material is high, glossiness of enamel glaze obtained via sintering is not high enough, fishscaling is observed, and acid and alkali resistance is not high enough. The vanadium-titanium enamel glaze material is prepared from, by mass, 22 to 28 parts of pretreated vanadium-titanium magnetite titanium separation tailing or vanadium-titanium boundary ore, 20 to 22 parts of feldspar powder, 5 to 8 parts of quartz sand, 24 to 26 parts of borax, 1.5 to 2 parts of sodium nitrate, 3.5 to 5.5 parts of lithium carbonate, 5 to 7 parts of fluorite powder, 0.1 to 0.3 part of sodium fluosilicate, 3 to 5 parts of cryolite, 2 to 4 parts of limestone, 3 to 4 parts of cobalt nitrate, 1 to 2 parts of nickel nitrate, 2 to 3 parts of sodium vanadate, and 1 to 2 parts of antimony oxide. Firm combination of the vanadium-titanium enamel glaze material with carbon steel billet can be realized; acid and alkali resistance is higher than that stipulated by national standard; and the vanadium-titanium enamel glaze material can be used for a plurality of matrixes such as hot-rolled carbon steel and cast iron.

The present invention relates to a micro-rail traffic system including a rail system, a train system and a dispatching control system. The rail system includes a suspended track structure for suspending the train system. The train system includes a carriage and a running mechanism. The carriage is suspended in the track structure by the running mechanism that drives the carriage to run along the track structure. The dispatching control system includes a dispatching control center that controls the train system to operate on the track structure. The micro-rail traffic system provided by the invention is simple in overall structure, convenient to install, disassemble and expand, reduces construction and operation costs, improves adaptability to various complex terrains, minimizes occupancy of original roads, and improves the composite use degree of roads, is convenient for passengers to travel.

The invention relates to a secondary coal-mining method for reversely filling paste in stripes. The secondary coal-mining method is suitable for the safe recovery of coal resources under buildings, railways and water bodies. The secondary coal-mining method comprises the following steps of: determining the range of mining coal under building groups according to regulations, and alternatively partitioning paste filling stripes and recovery stripes in the determined coal mining range; sequentially mining the partitioned paste filling stripes and filling mine-out areas of the partitioned paste filling stripes; and sequentially drilling without section pillar along the two paste filling strips and mining the recovery stripes by a caving method after a filler in the past filling stripes is completely solidified. Under usual conditions, the paste filling stripes are wider, and normal recovery stripes are narrow. By the method, the damage to the surface buildings caused by mining subsidence can be effectively reduced, the safety of coal mining can also be ensured without reserving narrow coal pillars, so that the coal resource is completely recovered; and simultaneously, coal resources utilization of solid wastes such as coal gangues and fly ash is realized.

The invention discloses separation and dehydration device and process of river and reservoir sediment. The separation and dehydration device comprises an organic matter separation device and a sediment dehydration device, wherein the sediment dehydration device comprises a centrifugal separation device, a sediment separating bucket and a filter press. According to the separation and dehydration device and process, the river and reservoir sediment is effectively separated by virtue of the organic matter separation device; the separated organic matters are collected and transported to a methane tank or are used for preparation of organic fertilizers; the separated sediment is sequentially subjected to centrifugal separation, flocculent precipitation and filter-press concentration through the centrifugal separation device, the sediment separating bucket and the filter press, thus completing dehydration; the finally formed filter cake contains a little of moisture, so that the filter cake is convenient to store and small in floor area, farmland occupied during the sediment treatment is greatly reduced, and meanwhile, the sediment loss is effectively avoided. In addition, the separation and dehydration device disclosed by the invention is simple in structure and simple and convenient to operate and can run continuously.

A rheumatism department clinical joint rehabilitation training device effectively solves the problems that a conventional clinical joint rehabilitation training device for the rheumatism department is generally large, can occupy a large indoor space, is not suitable for being placed indoors for exercise, is single in exercise mode, can only exercise upper limbs or lower limbs, upper limbs and lower limbs of a person cannot be synchronously exercised at the same time, and during exercise, an existing device cannot relieve and massage the back and the legs of a patient at the same time, so that the back or the legs of the patient are ache after exercise. A chair body capable of moving up and down is arranged at the upper end of a bottom plate. The front end of the chair body is slidably connected with a backrest capable of moving upwards along with downward movement of the chair body, the left side and the right side of the chair body are fixedly connected with fixing frames respectively, the outer sides of the fixing frames are slidably connected with limiting frames respectively, the lower ends of the limiting frames are fixedly connected with the upper end of the bottom plate, and the inner sides of the fixing frames are slidably connected with turnover rods respectively.

The invention relates to a channel girder composite truss anti-falling structure, comprising a channel girder, a steel truss beam, a transverse support and a steel grille. Vertical longitudinal steeltruss beams are arranged above the ribs on both sides of the groove beam, transverse supports are arranged between the top of the steel truss beams on both sides, and steel grille, groove beam, steeltruss beams, transverse supports and steel grille are arranged above the transverse supports to form a protection space with a rectangular frame shape in cross section. The structure can effectively prevent the falling rocks in the steep canyon area from intruding into the railway gauge, the construction is simple and easy, and provides effective guarantee for the operation safety.

An apparatus for extinguishing a fire on a stovetop, the apparatus including a container detachably mountable to a microwave positioned above the stove top, the container having a closure movable between an open and closed position on the container. A projection member is connected to the container, the projection member movable with respect to the container between a retracted and extended position. A supply of fire suppressant material is retainable within the container when the closure is in the closed position. A heat responsive actuator is disposed on the container. When the container is mounted to the microwave over a first burner, and the fire on the stovetop actuates the heat responsive actuator, the closure moves to the open position and the projection member moves to the extended position, the projection member forcing a second burner portion of the supply of fire suppressant material toward the second burner.

The invention provides a patrolling car rental robot which comprises a driving device, a self-service car rental device, a sensing and monitoring system and a control system. Intelligently dispatched public bicycle piles are adopted to cope with the traffic tidal phenomenon. The patrolling car rental robot can serve as a mobile public bicycle pile and also has security precaution and management functions.

The invention discloses gangue floating bead thermal-insulation concrete. The gangue floating bead thermal-insulation concrete of each cubic meter is prepared from the following raw materials: 240-310kg of water, 450-650kg of cement, 980-1355kg of coarse aggregate, 250-600kg of fine aggregate, 90-150kg of glass beads, 25-75kg of silica fume and 3.95-7.64kg of a water reducer, wherein the fine aggregate comprises natural river sand and floating beads, the floating beads replace the natural river sand in volume and the volume replacement rate thereof is 0-60%; the coarse aggregate comprises natural pebbles and gangue or fully comprises gangue, the gangue replaces the natural pebbles in volume, and the volume replacement rate thereof is 0-100%. The gangue floating bead insulative concrete prepared has the characteristics of insulating and bearing, is suitable for bearing structures and members of buildings, and can be directly applied to engineering practice.

The disclosed embodiments relate to the design of a hybrid laser comprising a shared ring mirror coupled to a pair of buses by a 3 dB coupler (also referred to as a “symmetric splitter”), which is described in more detail below. Each bus is also coupled to an array of ring filters, wherein each ring filter couples an associated reflective silicon optical amplifier (RSOA) to the shared ring mirror and in doing so forms a Verniered ring pair with the shared ring mirror. The resulting system provides a comb source with redundant channels that can provide individual outputs or a shared output. This hybrid laser provides a significant improvement over existing comb-based lasers by providing redundancy for at least one laser channel.

The invention discloses an embedded interactive multimedia conference paperless terminal, and relates to the technical field of paperless office, the embedded interactive multimedia conference paperless terminal comprises a shell penetrating through a table board, the top of the table board is provided with a matching groove and an opening, the top of the shell is sleeved with a positioning frame,and the positioning frame is located in the matching groove. The shell is provided with a motor and a switch which are connected, two threaded rods are symmetrically arranged on the two sides of theshell, the outer walls of the threaded rods are fixedly connected with two transmission connecting end belt wheels, the motor is fixedly connected with the bottom ends of the threaded rods, the threaded rods are sleeved with nuts in a threaded mode, the nuts are connected with the bottom plate, and the tablet personal computer is arranged on the bottom plate. A back plate and a barrier strip are respectively arranged on two sides of the tablet personal computer. The shell internally provided with the tablet personal computer is directly embedded into the table plate in a penetrating mode, theoccupied table top space is small, the switch is pressed, the motor is started to drive the two threaded rods to rotate, the nut drives the bottom plate to move upwards, and the tablet personal computer stretches out of the shell to be used. After the conference is finished, the switch is pressed again to start the motor to reset the tablet computer.

The invention relates to an antibacterial composite coating as well as a preparation method and a product thereof. The antibacterial composite coating comprises at least one layer of hydrophilic coating and at least one layer of antibacterial coating, the at least one layer of hydrophilic coating is obtained by photocuring a coating composition containing a host and / or a guest structural unit, the at least one layer of antibacterial coating comprises a guest molecule and / or host modified by antibacterial functionalization molecular, and the at least one layer of hydrophilic coating and the at least one layer of antibacterial coating produce host-guest interactions. The antibacterial composite coating is high in firmness, stability and antibacterial rate, and has good lubricity.

A crystalline silicon ingot is produced using a directional solidification process. In particular, a crucible is loaded with silicon feedstock above a seed layer of uniform crystalline orientation. The silicon feedstock and an upper part of the seed layer are melted forming molten material in the crucible. This molten material is then solidified, during which process a crystalline structure based on that of the seed layer is formed in a silicon ingot. The seed layer is arranged such that a {110} crystallographic plane is normal to the direction of solidification and also so that a peripheral surface of the seed layer predominantly also lies in a {110} crystallographic plane. It is found that this arrangement offers a substantial improvement in the proportion of mono-crystalline silicon formed in the ingot as compared to alternative crystallographic orientations.

The invention relates to a guide instrument box and a puncture guide and release mechanism. The guide instrument box comprises a main body and a guide opening and closing flap extending out of the side part of the main body, wherein the guide opening and closing flap comprises a first guide opening and closing flap and a second guide opening and closing flap which are connected through a guide flap rotating shaft; the guide opening and closing flap maintains the closed state through an elastic element so as to form a through hole through which a puncture needle passes; an inclined surface is formed on the surface of one side of the second guide opening and closing flap; and the inclined surface is configured to be abutted against a release push rod inserted into a first depth range from the back part of the main body, so that the opening degree of the guide opening and closing flap is controlled on the basis of the insertion depth of the release push rod. In the scheme provided by theembodiment of the invention, the guide instrument box has the opening and closing function; the guide instrument box and a control arm can share a driving device; the invasion and occupation on the operation space are smaller; the structure is simple; the operation is convenient and fast; and the cost is low.

An unpowered riverside water ecology conservation and purifying system comprises a transverse gutter arranged on the upstream riverside of a landscape riverway rubber dam or hydraulic dam. A grating and a sluice valve are sequentially arranged at an entrance of the transverse gutter from left to right, a vertical gutter is vertically arranged at the tail end of the transverse gutter, the left sidewall of the vertical gutter is a first water distribution lattice wall while the right side wall of the same is a second water distribution lattice wall, and a plurality of landscape units are arranged between the first water distribution lattice wall and a riverway; a plurality of overflow holes are formed in the top of the first water distribution lattice wall and the left side wall of each landscape unit, a third water distribution lattice wall is parallelly arranged on the right side of the second water distribution lattice wall, a gravel filtering strip is formed between the second waterdistribution lattice wall and the third water distribution lattice wall and divided into gravel filtering units corresponding to the landscape units, a plurality of precipitation troughs corresponding to the gravel filtering units are arranged on the right side of the third water distribution lattice wall, and anticorrosion wooden trestles are paved to the tops of the gutters, the gravel filtering units and the precipitation troughs.

The invention discloses a method of using a cell broadcasting control channel to transmit business short messages. The method of using the cell broadcasting control channel to transmit the business short messages comprises mobile phones and a short message business platform, and is characterized by comprising the following steps that unified regulations are carried out on mass texting business short message type sequence codes in the short message business platform and the mobile phones, sequence codes of corresponding short messages are sent to each mobile phone, stored in registers of mobile phone cards and transmitted to the mobile phones through the cell broadcasting control channel (CBCH), and according to stored sequence code information, each mobile phone judges whether decoding and text short message display are carried out on the mass texting short messages of various business types uploaded by the CBCH of a short message broadcasting center. Due to the fact that the method of using the cell broadcasting control channel to transmit the business short messages using the CBCH to transmit the business mass texting short messages, the method of using the cell broadcasting control channel to transmit business short messages has the advantages of being capable of reducing wireless channel load of a slow associated control channel (SACCH), a paging indicator channel (PCH), an access grant channel (AGCH) and the like of the network, and being flexible in follow-up in time arrangement in the respect of business short message mass texitng, and facilitates development of business short message communication.

The invention discloses a file message uploading and storing method and device, and the method comprises the following steps: S10, a user A uses an instant message client to select a local storage file F1, and sends the local storage file F1 to a user B through the instant message client; S20, the instant message client calculates a unique identifier IdF1 of the local file F1; S30, the instant message client sends the IdF1 to the instant message server, the instant message server scans the stored file identifier, and if the file with the same identifier is found, a file uploading success prompt is returned to the instant message client, and the uploading operation of the instant message client on the file F1 is stopped. According to the method, the same file is marked, the file identifier is scanned on the message server firstly, and after the file with the consistent file identifier is obtained, the prompt of uploading completion is returned, so that the high-speed experience of a user on the file uploading efficiency can be effectively improved, the uploading waiting time of the user is shortened, and the method is particularly suitable for large files which are repeatedly uploaded and downloaded for multiple times.

The invention discloses a large glass curtain wall supported by single cables. The large glass curtain wall supported by the single cables comprises a plurality of glass panels which are arranged side by side in the horizontal direction. The top end of each glass panel is clamped by a clamping component and installed on the lower side of a load-bearing supporting base in a hooked mode through a load-bearing hook. The bottom end of each glass panel is placed in a glass U-shaped bottom groove. Each inhaul cable is correspondingly arranged in a vertical gap of every two adjacent glass panels. The top end of each inhaul cable is connected with an inhaul cable tension keeping mechanism which is installed on a load-bearing adjusting base. The bottom end of each inhaul cable is fixedly connected with the ground through a lug plate. A plurality of connecting and supporting components are arranged between the top end and the bottom end of each inhaul cable. Each inhaul cable is clamped by one ends of the corresponding connecting and supporting components, and the other ends of the connecting and supporting components are placed in the vertical gap of the two corresponding adjacent glass panels and bonded to the corresponding glass panels. The single full-length glass panels are supported through the flexible single cables, the large-span full-glass curtain wall is obtained, and the glass curtain wall is ingenious in structure, simple in type, good in safety, very high in permeability and excellent in visual effect.

Systems and methods for packaging an acoustic device in an integrated circuit (IC) include walls formed on a wiring substrate. The walls have a height which is just shorter than an expected height of a solder bump on the acoustic device after solder reflow. The walls are positioned on either side of the acoustic device and a small portion lies underneath an exterior edge of the acoustic device such that a relatively small gap is formed between an upper surface of the wall and the lower surface of the acoustic device. By providing a small gap between wall and acoustic device, encroachment by an encapsulating material into a keep out zone of the acoustic device is minimized.

The invention discloses an assembly type rotary connection suspended ceiling structure which comprises a hoisting device, a bolt, a hanging piece, a plate hanging piece and a plate fixedly connected with the plate hanging piece, the hoisting device comprises a hoisting rod assembly and a rotary hanging piece, and the rotary hanging piece comprises a first cylinder connecting piece, a second cylinder connecting piece and a cubic connecting piece which are fixedly connected in sequence. A groove used for embedding the first cylinder connecting piece and the second cylinder connecting piece at the same time is formed in one end of the hanging rod assembly, external threads are arranged at the other end of the hanging rod assembly, and the hanging piece comprises a first bent part and a second bent part used for bearing the plate hanging piece. The first bending part is perpendicular to the second bending part, the cubic connecting piece is connected with the first bending part through a bolt, the plate hanging piece is connected with the second bending part, and the space utilization rate is high.