263results about How to "Less material consumption" patented technology

The invention concerns a process for pretreatment of a workpiece to be processed with a laser beam, as well as a device for carrying out the process. It is the task of the invention to develop a process and a device, which with small expenditure of material and expense, and with few process steps, makes possible an improved weld seam formation for joining workpieces. The invention is comprised therein, that for the pretreatment of a workpiece to be treated with a laser beam, in which on at least one surface of the workpiece with application of a thermal effect of at least one laser beam emitted by a laser source, rises such as knurls are formed, for the positionally correct and undistorted formation of the rises the time and spatial sequence of a relative movement between workpiece and laser beam and the output over time of the laser source are coordinated to each other via a control computer.

The present invention is concerned with an inlay (10) for a culture plate (20) for microorganisms or cells, a culture plate unit (30) for microorganisms or cells comprising such inlay (10), a culture system for microorganisms or cells comprising such culture plate unit (30), and a method for preparing a culture plate system (40) for microorganisms or cells with such inlay (10). Further, several uses as described herein are part of the present invention. The grid structure (11) is configured to fit into the culture plate (20) and is provided with a plurality of openings (12). The openings (12) are angled. In an embodiment, the openings (12) of the inlay (10) may be rectangular or square.

The invention relates to livestock feeding technology, in particular to a making method of a biological fermentation bed for pig farming. Using the biological fermentation bed to farm pigs strictly sticks to the scientific process flow. Raw materials (such as sawdust and rice hull) and strain are mixed from top to bottom for three times and are picked for fermentation for about a week. Core temperature of padding reaches 60DEG C-85 DEG C and is kept for 3-5 days. Even pathogenic microbes included in the raw materials can be killed. As strongest pathogenic microbes survive tens of hours at most at 60 DEG C, healthy pigs entering the fermentation bed can grow more healthily.

The invention relates to a fully biodegradable aliphatic polycarbonate mulch film and a preparation method thereof. The mulch film comprises the following raw materials by weight ratio: 30-50 parts of aliphatic polycarbonate butanediol ester, 10-50 parts of starch, 10-50 parts of polylactic acid, 1-5 parts of herbicide, 1.0-3.5 parts of antiblocking agent, 0.5-6 parts of lubricant, 4.0-15 parts of plasticizer, 1.5-4 parts of heat-resistance stabilizing agent, 0.05-1.5 parts of anti-oxidant, 0.5-2.0 parts of coupling agent, 0.05-1.5 parts of biodegradation promoter and 0.5-5.0 parts of photodegradation agent. The Fully biodegradable aliphatic polycarbonate mulch film can be prepared by mixing and stirring the raw materials and extruding to granulate by a twin-screw machine. The fully biodegradable aliphatic polycarbonate mulch film of the invention has the advantages of low cost, good temperature toleration, temperature tolerance and water resistance, and is capable of regulating the degradation rate and has the function of weeding.

The invention belongs to the technical field of building engineering and particularly relates to an integral assembling type building system and an installing method. The integral assembling type building system is characterized by comprising prefabricated steel reinforced concrete combination columns, prefabricated steel reinforced concrete combination beams, prefabricated reinforced concrete slabs, a prefabricated light integral inner wall and a prefabricated concrete heat preservation outer wall which are assembled together. The building system has the beneficial effects that all the members are prefabricated in a factory, quality is controlled conveniently, and the construction difficulty caused by outdoor weather changes can be reduced. Moreover, splicing is carried out on site, and installing is safe, fast and convenient. The recycle rate of formworks is high, work for the formworks and frame pipes on site is avoided, the number of times of use and consumption of the formworks and frame pipes are reduced, on-site labor is saved, the on-site dust raise phenomenon is improved substantially, the influence on the environment is small, and environmental pollution is reduced.

The invention relates to a high-power semiconductor fiber-coupled laser and a coupling method thereof. Laser diodes are arranged at the same height level. Fast axis collimators FAC are arranged on the front ends. Slow axis collimators SAC are directly arranged on a bottom plate and are plano-convex lenses which integrally tilt. As the distance to a focusing lens is further, the thickness of the slow axis collimators SAC descends. The laser diodes produce a number of beams of the same height. Through the fast axis collimators FAC and the slow axis collimators SAC, high and low parallel beams are produced, are reflected to the focusing lens through the respective reflector, and are focused on a fiber. According to the invention, the slow axis collimators which integrally tilt are used to replace ladder heat sink to realize a height difference after beam adjusting; the processing accuracy is easily ensured; package components are reduced; the package difficulty is reduced; all components are horizontally arranged on the bottom plate; the laser has the advantages of simple and lightweight structure, small size, light weight and low material consumption; the number of coupled chips can be increased; and a laser of higher power can be produced.

A water conveying pipe includes a composite reinforced outer pipe formed by spiral winding, and a composite reinforced inner lining pipe formed by spiral winding. The outer tube is a metal-reinforced plastic composite corrugated tube structure or a tube structure with metal-reinforced plastic composite vertical ribs. The inner lining pipe is formed by at least two layers of fiber-reinforced plastic composite strips that are continuously spirally wound along the inner wall of the outer pipe and attached to the inner wall of the outer pipe, and the inner lining pipe covers the helically wound seam of the outer pipe . The present invention also provides strips, methods and devices for manufacturing the above-mentioned water delivery pipe lining pipes. The pipeline can be used as a large and medium-sized water pipeline in the water source transmission of urban water plants.

An apparatus for laminating a solar module includes a form-cutting unit for form-cutting lamination foil, a holding apparatus for holding the laminating foil in a form-cutting position when form-cutting with at least one cutter, and a laying unit for laying a form-cut laminating foil piece in a laying position on a carrier plate. The apparatus further includes a cutting-off unit for cutting-off the piece of lamination foil from a foil unroller and a pull-out unit for pulling-out the lamination foil into the form-cutting position on a cutting table.

The invention discloses a self-elevating scaffold provided with telescoping platforms for building construction. The self-elevating scaffold comprises a base which is fixed on the ground surface, an upright column which is fixedly arranged on the base, a platform base which is arranged on the upright column and can be lifted along the upright column, a connector, a lifting device and the two telescoping platforms which are arranged on two sides of the platform base and are lifted along the upright column together with the platform base, wherein the upright column is formed by connecting a plurality of upright column base frames in sequence; the lifting device comprises a steel wire rope and a winding machine; an outer guide rail is arranged on each of two sides of the upper surface of the platform base along the length direction; each telescoping platform comprises a bottom plate and an inner guide rail; and limit wheels which are used for limiting the sliding range of the inner guide rails are arranged at two ends in a guide groove along the length direction. The self-elevating scaffold provided with the telescoping platforms for the building construction has the advantages that security and convenience of construction are improved, the adjusting speed is high, the stability is high, and the like.

A slurry composition for a mold and method of use thereof. The slurry composition includes about 45-80% by weight alumina, about 10-30% by weight silicon carbide, and about 10-50% by weight colloidal silica. In one aspect, the alumina component comprises a material selected from the group consisting of brown fused alumina, white fused alumina, tabular alumina, calcined alumina, and mixtures thereof. In another aspect, the composition includes fumed silica at 2-5% by weight. The composition may also include a setting agent at 0.05-2% by weight.

A slurry composition for a mold and method of use thereof. The slurry composition includes about 45-80% by weight alumina, about 10-30% by weight silicon carbide, and about 10-50% by weight colloidal silica. In one aspect, the alumina component comprises a material selected from the group consisting of brown fused alumina, white fused alumina, tabular alumina, calcined alumina, and mixtures thereof. In another aspect, the composition includes fumed silica at 2-5% by weight. The composition may also include a setting agent at 0.05-2% by weight.

An energy-saving production of electric cable bridge casings can reduce weight of products and costs, and improves performance of products while verifies functions of products. The casings consist of two parts, which are produced separately. Bridge bodies are produced by: cutting longitudinally, rolling, punching, assembling, and automatically welding. Radiation-cooled parts are produced by: rolling, cutting, holding-on, punching holes on inserted strips, rolling inserted strips for the upper pieces, cutting them, assembling, square-making, welding, and surface treating.

The invention discloses a nano silver polyester biodegradable preservative film, which is prepared by steps of chain extension and modification of dihydric alcohol copolyester of diacid and fatty group by introducing aromatic group and fatty group, the nano silver polyester biodegradable preservative film has strong antibiosis, anticorrosion and fresh-keeping functions, greatly increases the storage and fresh-keeping period of the food, and has modified atmosphere function; in addition, the nano silver polyester biodegradable preservative film has the advantages of excellent performance, high molecular weight, high branching degree, high crystallization degree, less impurity, no toxicity, and biodegradable performance by burying in soil after discharging.

The invention discloses a high voltage converter with differential protection, which comprises a power supply unit, a power module, a signal acquisition unit, a signal processing unit, a CPU (Central Processing Unit), a control unit, an input / output interface and a controlled motor, wherein the signal acquisition unit comprises three current transformers, an inlet wire and an outlet wire at each phase of the three-phase controlled motor both pass through one same current transformer, and the three outlet wires of the three-phase controlled motor are in short connection after passing through the current transformers; and the current signals measured by the three current transformers are sent to the CPU after processing, the CPU monitors the change condition of the current signals in real time, and when the CPU monitors that the changes of the current signals exceed a preset value, the CPU sends out a protection action signal through the input / output interface. The invention not only can realize real-time protection but also consumes less materials and has reliable property when a high-capacity high-voltage motor adopts a transducer for power supply with the working frequency of 25-40Hz.

Disclosed is a recessive white feather green-shelled-egg bantam germ plasma resource cultivation method. Green-shelled genes of green-shelled-egg chickens are introduced to recessive white feather bantam groups, recessive white feather genes, short-legged genes and the green-shelled genes are combined and homozygous by means of hybridization and test mating, a family is built on the basis, the groups are expanded in a breeding manner by the aid of family selection and individual selection, and recessive white feather bantam germ plasma resources with green-shelled-egg laying characteristics are cultivated. The cultivation method has the advantages that recessive white feather bantams are selected to improve the green-shelled-egg chickens, the green-shelled-egg chickens are changed into recessive white feather green-shelled-egg bantams, and the breeding problem of the green-shelled-egg chickens can be effectively solved. Short and small hens with small bodies are suitable for cage culture, consume less feed but lay eggs as many as normal individuals (so that feed efficiency is higher). Besides, the short and small hens have the outstanding advantages of early sexual maturity, reduction of raising space, disease resistance and the like, the production cost of goods generation chickens can be greatly reduced, comprehensive raising benefit is improved, recessive white feathers are recessive as compared with colored feathers of native chicken breeds, and feather colors of filial generations of the chickens in the same place are as same as those of indigenous chickens, so that feather color mixing can be avoided.

The invention discloses a construction method for rooted foundation anchorage, comprising the following steps:precasting a concrete caisson in sections, excavate or bore hole for the caisson sinking, reserving holes for projection of anchor roots in the wall of caisson;cleaning the bottom of the bore hole, and sealing the bottom with concrete; precasting the beam type concrete roots and, within the bore hole, projecting the roots into the earth around the caisson;sealing a concrete cover over the bore hole to form a flat cap, which can be used as the cap of a bridge foundation.The invention also discloses a construction method for a root-type cast in-situ bored pile with anchor roots, comprising the following steps:placing a reinforcement cage in a bored hole; each guide framework is internally provided with anchor roots;using a vibration extruder to squeeze the roots in the reinforcement cage;using the squeezing head of the vibration extruder to squeeze the anchor roots from top to bottom gradually. The invention greatly improves the traditional foundation structure. The anchor roots increases friction and structural stability greatly, thus making it possible to reduce gravity of the structure.

The invention discloses an air levitation vehicle, which consists of an elevated expressway and a levitation vehicle, wherein the elevated expressway consists of a strip-shaped top plate, left and right cantilever beams connected with the left and right edges of the strip-shaped top plate, power supply contact lines below the left and right cantilever beams, a transverse beam for fixing the cantilever beams, and left and right brackets for supporting the transverse beam; the levitation vehicle consists of an air bellows, a draught fan, driving equipment, interior power supply equipment, an operating and controlling device and a carriage; the air bellows is a rectangular box which is open on the upper side and consists of four side walls and one bottom plate; the upper opening is buckled in the lower surface of the top plate of the elevated expressway; the bottom plate of the air bellows is used for pulling the carriage below for carrying passengers up through connecting rods; pantographs are arranged symmetrically outside the left side wall and the right side wall of the air bellows, and are connected with the contact lines and the interior power supply equipment. The air levitation vehicle has the advantages of low manufacturing cost, low noise, low energy consumption, low pollution, high speed, high stability, safety and comfort, and is suitable for interurban railways and urban railways as well as enterprises, communities and fairgrounds.

A water pipe comprises a plastic pipe body and a vertical reinforced rib, wherein the plastic pipe body is reinforced by a steel mesh or a metal pore plate, and the vertical reinforced rib is integrated with the pipe body. Besides, a reinforced steel strip is composited in the reinforced rib. A special-shaped strip for manufacturing the water pipe comprises a strip base layer and a vertical reinforced rib portion which are integrated, a continuous steel mesh or a continuous metal pore plate reinforcing layer is composited in the strip base layer, and a steel strip is composited in the vertical reinforced rib portion. The method for manufacturing the water pipe includes the steps: extruding molten plastics into an upper forming cavity of a composite head and compositing the molten plastics with the steel strip in the upper forming cavity and the steel mesh or a metal pore plate in a middle forming cavity; and extruding molten plastics into a lower forming cavity of the composite head and compositing the molten plastics with the steel mesh or the metal pore plate in the middle forming cavity. The device for manufacturing the water pipe comprises the composite head including the upper forming cavity, the middle forming cavity and a lower forming cavity, wherein the upper forming cavity contains the steel strip, the middle forming cavity contains the steel mesh or the metal pore plate, the lower forming cavity forms the strip base layer, the upper forming cavity and the lower forming cavity of the composite head are the same in width and narrower than the steel mesh or the metal pore plate, and the width of the middle forming cavity is as same as that of the steel mesh or the metal pore plate.

The invention provides a fabricated building of a pre-assembling structure of a prefabricated section steel concrete shear wall. The building is provided with a structure preformed in a factory, and the preformed structure comprises section steel concrete shear walls, prefabricated section steel concrete beams, steel bar truss concrete slabs, prefabricated reinforced concrete stairs, light masonry partition walls, and prefabricated foam-concrete outer walls. The invention further provides a mounting method of the fabricated building of the pre-assembling structure of the prefabricated section steel concrete shear wall. The fabricated building disclosed by the invention is characterized in that all components are prefabricated in the factory, so that the quality of the components is convenient to control, and construction difficulties caused by the change of outdoor weather can be reduced. The fabricated building is assembled on site, and safe, rapid and convenient to mount; the recycling rate of templates is high, work about templates and tube frames is omitted on side, the use and the consumption of the templates and the tube frames are reduced, on-site workers are saved, and the phenomenon of on-site raise dust is greatly improved, so that the influence on environment is small, and the environmental pollution is reduced. The fabricated building disclosed by the invention is suitable for various houses and buildings, such as high-rises, small high-rises, garden houses and villas.

The present invention discloses a reinforced concrete hollow floor slab. It includes reinforced concrete prefaricated member and rib, the reinforced concrete prefabricated is hollow member, the outside wall of the described prefabricated member is equipped with bearing projection, two sides of the described rib are respectively equipped with supporting projection matched with said bearing projection. Several prefabricated members are arranged in crisscross mode and placed on the form, and the gap position of crisscross arranged prefabricated members can be filled up with reinforced concret so as to form ribs, the prefabricated members are supported by ribs, so that the invented hollow floor slab can be obtained.

A process for directly preparing k2SO4 from low-concentration SO2 fume after absorbed and oxidized features that the (NH4) 2 SO4 solution generated after ammonia absorption and salt oxidization directly reacts on the KCL solution, and the reaction resultant is crystallized to obtain K2SO4. Its apparatus is composed of two absorbing-oxidizing towers, settling bath, mother liquid tank, reactor, dissolving bath, centrifugal filter, evaporator, crystallized, and liquid delivering pump.

The invention discloses a light steel pitched roof substrate dry tile hanging structure and a method for changing a plane roof into a pitched roof. The structure comprises a light steel pitched roof substrate and a plurality of stand columns. A board (6), a waterproof coil material (7) and counter battens (8) arranged on the light steel pitched roof substrate. A vertical column of cover tiles (10) are arranged on each counter batten (8). Each cover tile (10) is nailed to the board (6). The method is characterized in that each cover tile (10) is nailed to the board (6) through a self-tapping screw penetrating through a second preformed hole and the corresponding counter batten (8); an upper arc protruding strip (10.1) of each cover tile (10) is inserted into a clamping groove (12) of the last cover tile (10) in the same column; and the second preformed hole of an upper arc plate (10.2) of each cover tile (10) is covered by an arc main body (10.3) of the last cover tile (10) in the same column. According to the structure and method, the shock resistance is good, the construction period is short, and mounting is convenient.

The invention relates to a zincizing infiltrated layer corrosion resistance process for metal. The zincizing infiltrated layer corrosion resistance process for metal includes the steps that a zinc and nickel infiltrated layer and a metal base body are arranged in a closed metal container to be heated at the heating speed of 50-60 DEG C / min, and subjected to heat preservation heating for 120-180 min when heated to 480-500 DEG C; the adding amount of the zinc and nickel infiltrated layer accounts for 1.5%-4.5% of the weight of the metal base body, and the zinc and nickel infiltrated layer is prepared from zinc powder, nickel powder, aluminum powder and energizer particles with the weight ratio of 1:(0.03-0.05):(0.02-0.04):(0.09-0.15), the particle diameter of the raw materials is controlled to be 0.1-1 mm, the energizer particles are composed of 40-90wt% of rare earth chloride and 10-60wt% of auxiliaries, and the auxiliaries are composed of 50-70wt% of potassium chloride, 20-40% of sodium chloride and 2-10wt% of boric acid. The zincizing infiltrated layer corrosion resistance process for metal is short in period, the strength and abrasion resistance of the infiltrated layer are good, and the mechanical performance and the corrosion resistance of finished products are excellent.

The invention provides PMSG (pregnant mare serum gonadotropin) monoclonal antibody hybridoma strains D-3 and A-4 which respectively have the collection numbers of No. 6450 and No. 6449 in the CGMCC (China General Microbiological Culture Collection Center). The invention also provides a PMSG double-antibody sandwich ELISA (enzyme-linked immunosorbent assay) kit which comprises a PMSG monoclonal antibody coated enzyme-labeled plate and an enzyme-labeled PMSG monoclonal antibody; a capture antibody and a detection antibody correspond to different antigenic determinants of the PMSG protein. The detection kit has the characteristics of high sensitivity, strong specificity, high detection determination speed, accurate quantification and good reproducibility, is easy to operate and can be used for the standard correction of the finished preparation. Compared with the existing commercialized PMSG detection kit, the detection kit provided by the invention has low cost and high detection sensitivity, has the lowest PMSG detection limit of 30-200mIU / ml and the detection range of 30-200 mIU and is suitable for popularization and application.

The present invention relates to a method for improving direct adhesion between an adhesive activated textile reinforcing material and an activated rubber. Moreover, the invention relates to a coating composition, a yarn, cord or fabric manufacturing process, a textile reinforcing material obtainable from said method having increased adhesion to rubber and a reinforced rubber article having improved dynamic fatigue properties.

The present invention relates to a method for producing a hot-forming tool and a hot-forming tool with wear protection. The hot-forming tool (1) for hot-forming processing plate-shaped members (2) has at least one cooled upper tool (3) and a lower tool (4). The upper tool or lower tool (3, 4) has a base body (6) equipped with a molded bellow (7). The base body (6) is optimally made of aluminum alloy, and the molded bellow (7) is optimally made of steel. The molded bellow (7) is optimally used as a wear protective plate (9) or a metal coating (18) applied to the base body (6) and can implement good heat transfer (W) to the upper tool or the lower tool (3, 4) through the plate-shaped member (2) in a less thickness as less as possible. To improve heat radiation capacity, the base body (8) corresponding to the upper tool or the lower tool (3, 4) is provided with a cooling channel (5). The cooling channel (5) is used for flow guide of a heat radiation liquid.

The invention discloses a method for testing and evaluating plate-out performance of a lubricant for rigid PVC (polyvinyl chloride). The method comprises the following steps: preparation of a testing mixture; preparation of a cleaning mixture; mixing of the testing mixture and plate-out cleaning; plate-out performance evaluation of the tested lubricant. The plate-out performance of the lubricant for PVC is tested and evaluated by a torque rheometer, few operators are required for operation, single testing consumes few materials and shorter time, and compared with the prior art, the method saves time, materials and labor remarkably.

The invention discloses a polyester biodegradable shopping bag, which is used for supermarket shopping and is prepared by chain extension and modification of diacid and dihydric alcohol copolyester of diacid fatty group of introduced aromatic group, and the polyester biodegradable shopping bag has the advantages of excellent performance, high molecular weight, high branching degree, high crystallization degree, less and nontoxic impurity content, and biodegradable performance.

The invention discloses a reinforced concrete hollow floor slab, which comprises a cast-in-situ multi-rib (1), a cast-in-situ crest slab (2) and a prefabricated soleplate (3). The prefabricated soleplate (3) is formed by joining a top prefabricated block (7) and a bottom prefabricated block (8). The bottom prefabricated block (8) is provided with a rib (9) or stuffing (10). The bottom prefabricated block (8) is provided with two or more notches (6). When producing the hollow floor slab, the cast-in-situ multi-rib (1) and the cast-in-situ crest slab (2) are firstly poured, and then a reinforcement fabric (11) and the prefabricated soleplate (3) are arranged on a bottom projection (5) of the cast-in-situ multi-rib (1) or on a projection (5) which is coated with mortar (12); the cast-in-situ multi-rib (1), the cast-in-situ crest slab (2) and the prefabricated soleplate (3) form a cavity (4); and the mortar (12) is painted below the prefabricated soleplate (3) to form an integral hollow floor slab. The hollow floor slab has good integrity, large rigidness, high bearing capacity, long service life and simple construction procedure.