38results about How to "Increase the stability of the structure" patented technology

An inkjet printhead includes an elongate fluid manifold having a base which includes a truss structure. The truss structure has webs extending between opposite chords, wherein a plurality of openings between the webs and the chords define fluid outlets. One or more printhead chips are attached to the webs of the truss structure with each printhead chip receiving printing fluid from a plurality of the fluid outlets.

The present invention provides a flame retardant environmentally friendly adhesive, and the raw materials comprise magnesium sulfate, magnesium chloride, water, magnesium oxide, sodium dihydrogen phosphate, boric acid, and methyl cellulose. The flame retardant environmentally friendly adhesive is a formaldehyde-free environmentally friendly inorganic adhesive, not only has flame-retardant effect, but also can make a plant fiberboard highly stable in fiber structure and high in mechanical properties, and also allows the plant fiberboard to have waterproof, moistureproof, fireproof, rot-resistant, pest control and other functions; in addition, the flame retardant environmentally friendly adhesive has readily available raw materials, and cheap in price, so that the production cost of the flame retardant environmentally friendly adhesive is relatively low. The present invention also provides a producing method of the plant fiberboard by use of the flame retardant environmentally friendly adhesive.

A neutron reactor includes a neutron shield which is disposed outside a nuclear reactor core and adapted to absorb neutrons leaking from the core. The neutron shield includes a plurality of containers each of which contains a powdered neutron absorbing material and which are stacked with one another in a vertical direction, and a cladding tube which houses the containers. The neutron absorbing material is composed of B4C powder.

An inkjet printhead including: an elongate fluid manifold having a base comprising a plurality of fluid delivery compartments, each compartment having a fluid outlet and a bubble-venting cavity; and one or more printhead chips attached to the base, each printhead chip receiving printing fluid from one or more fluid outlets. Each fluid outlet is aligned with a respective printhead chip and each bubble-venting cavity is offset from the respective printhead chip.

A method is disclosed for stabilizing porous silicon. A porous silicon structure having a surface terminated with hydrogen atoms is subjected to organic thermal processing to substitute the hydrogen atoms with a protective organic layer. The resulting structure are found to have unprecedented stability.

A screw drill mold-stripping machine comprising a main bed body (1), a fixing clamp (3) fixed thereon, a movable clamp (4) movably connected onto the main bed body, a pullout bed body (2) fixedly connected to the main bed body, a puller (5) arranged on the pullout bed body, a support frame (6) supporting the puller and a petroleum pipe workpiece, and supporting trolleys (7) supporting a workpiece holding a pipe. A chain drive mechanism is arranged on the puller and on the movable clamp. An adjusting mechanism is arranged on a running wheel set of the puller. The mold-stripping machine saves manpower, increases operational efficiency, and, during a pullout process, adjusts the puller to a stable state.

An inkjet printhead includes: an elongate fluid manifold having a plurality of fluid outlets positioned longitudinally along a base of the fluid manifold; one or more printhead chips attached to the base of the fluid manifold, each printhead chip receiving printing fluid from one or more fluid outlets. Each fluid outlet is laterally flared towards a longitudinal edge of a respective printhead chip.

An inkjet printhead including: an elongate fluid manifold comprising: an inlet boss, an outlet boss, a longitudinal channel extending between the inlet and outlet bosses, a plurality of air cavities positioned above the longitudinal channel in a roof cavity of the fluid manifold, and plurality of fluid outlets defined in a floor of the longitudinal channel; and a plurality of printhead chips attached to the base of the fluid manifold, each printhead chip receiving printing fluid from one or more fluid outlets. The air cavities are defined by ribs extending from a roof of the fluid manifold towards the longitudinal channel and each rib has a lip protruding beyond a lower surface of the inlet and outlet bosses.

An inkjet printhead including: an elongate fluid manifold having a plurality of fluid outlets positioned longitudinally along a base of the fluid manifold, each neighboring pair of fluid outlets being separated by a support web; and a plurality of butting printhead chips arranged in a row and attached to the base of the fluid manifold, each printhead chip receiving a printing fluid from one or more fluid outlets. Each butting pair of printhead chips has respective butting end portions commonly supported by one of the support webs.

The invention provides a honeycomb ceramic catalyst, a preparation method therefor and an application thereof. The honeycomb ceramic catalyst comprises: a honeycomb ceramic; a coating layer which is formed on the surface of the honeycomb ceramic, and comprises a binder and active ingredients; and noble metal which is loaded on the surface of the coating layer, wherein an active ingredient of the noble metal is calcium phosphate oxide. According to the embodiment of the invention, the honey ceramic catalyst has relatively high activity under a room temperature condition, and can remove formaldehyde in a long-acting manner without losing efficacy; and meanwhile, the coating layer and the honey ceramic are firmly combined, so that the problem that a conventional catalyst active ingredient is easy to drop can be effectively overcome; and the honeycomb ceramic catalyst is low in cost and beneficial for realizing industrial production.

The invention discloses a cylindrical battery anti-vibration electrode cover plate, which comprises an electrode sheet, a stop frame arranged on one end of the electrode sheet, a cover plate arrangedon the stop frame, and an electrode assembly for integrally connecting the electrode sheet, the stop frame and the cover plate, wherein the electrode sheet, the cover plate and the electrode assemblyhave electrical conductivity, the electrode assembly comprises a connection body penetrating through the electrode sheet, the stop frame and the cover plate, and an electrode plate fixedly matched with the connection body and positioned on the cover plate, and an insulating layer is arranged between the electrode plate and the cover plate. According to the present invention, the defective productcaused by the inaccurate positioning of the electrode sheet and the forced vibration of the coil core in the finished battery core can be avoided, and the structure stability and the service life of the whole battery can be ensured.

An inkjet printhead includes: an elongate fluid manifold having a base defining a plurality of fluid outlets; and a plurality of printhead chips attached to the base of the fluid manifold, each printhead chip receiving ink from one or more fluid outlets. Each fluid outlet extends transversely across the ink manifold and extends at least half a width of each printhead chip.

The invention relates to a method for preparing a nitrogen-doped multi-dimensional hierarchical porous carbon material with high specific surface area and high pore volume. The nitrogen-doped multi-dimensional hierarchical porous carbon material is used as a sulfur positive electrode carrier adaptive to an aluminum-sulfur battery. The preparation method comprises the following specific steps: 1, preparing a polymer precursor with high nitrogen content through amine-aldehyde condensation polymerization; 2, carbonizing the precursor under the actions of high-temperature volatilization of zinc salt and the like to prepare a nitrogen-doped multi-dimensional hierarchical porous carbon material; 3, optimizing the pore channel structure of the nitrogen-doped three-dimensional hierarchical pore carbon material through potassium hydroxide etching; 4, loading elemental sulfur into the nitrogen-doped multi-dimensional hierarchical porous carbon through a sublimation method to form a composite positive electrode; 5, preparing a positive pole piece of the aluminum-sulfur battery; 6, performing battery assembly and performance evaluation. The discharge capacity of a battery assembled by the aluminum-sulfur battery positive electrode material prepared by the method and acetamide / aluminum chloride electrolyte is kept at 1000 mAh g <-1> or above after 50 cycles at 0.2 A g <-1>, and the discharge capacity is kept at 400 mAh g <-1> or above and the coulombic efficiency is kept at 96% or above after 700 cycles at 1A g <-1 >. The preparation method has the advantages of low raw material cost, environment friendliness, good structure optimization effect, easiness in modification, good cycle performance of the assembled aluminum-sulfur battery and the like. The method is applied to the field of aluminum-sulfur batteries.

An inkjet printhead includes an elongate fluid manifold having a base which includes a truss structure. The truss structure has webs extending between opposite chords, wherein a plurality of openings between the webs and the chords define fluid outlets. One or more printhead chips are attached to the webs of the truss structure with each printhead chip receiving printing fluid from a plurality of the fluid outlets.

A neutron reactor includes a neutron shield which is disposed outside a nuclear reactor core and adapted to absorb neutrons leaking from the core. The neutron shield includes a plurality of containers each of which contains a powdered neutron absorbing material and which are stacked with one another in a vertical direction, and a cladding tube which houses the containers. The neutron absorbing material is composed of B4C powder.

The invention relates to a cobalt-copper bimetallic catalyst for directly preparing low-carbon alcohol from synthesis gas, which is characterized in that the raw materials of the catalyst comprise cobalt, copper and a carrier, and the total loading amount of cobalt and copper species is 30-50wt.%. The layered silicate-derived silicon dioxide-loaded cobalt-copper bimetallic catalyst is prepared by an ammonia distillation-ion exchange method, is applied to a reaction for preparing low-carbon alcohol from synthesis gas, shows excellent catalytic activity and reaction stability, and realizes effective regulation and control on distribution of cobalt and copper species in the catalyst.

The invention discloses a preparation method of a magnesium-aluminum-vanadium co-doped lithium cobalt oxide positive electrode material, which comprises the following steps: a, cobalt oxide, lithium carbonate, magnesium oxide, aluminum oxide and ammonium vanadate raw materials are uniformly mixed, the molar ratio of the lithium element to the cobalt element is 1.04-1.06, the mass fraction of the magnesium oxide is 0.05-0.2%, the mass fraction of the aluminum oxide is 0.05-0.5%, the mass fraction of the ammonium vanadate is 0.05-0.5%, and the molar ratio of the lithium element to the cobalt element is 1.04-1.06; the mass fraction of the ammonium vanadate is 0.05%-0.5%; b, putting the raw materials mixed in the step a into calcining equipment at 500-1080 DEG C, sintering for 2-20 hours at a constant temperature, cooling to room temperature after sintering, and taking out; and c, crushing and sieving the product obtained in the step b to obtain the magnesium-aluminum-vanadium co-doped lithium cobalt oxide positive electrode material. By doping magnesium, aluminum and vanadium elements, the stable cycle performance of lithium cobalt oxide under 4.5 V voltage is improved, and the capacity is better under high-voltage charging and discharging conditions.

An inkjet printhead includes: an elongate fluid manifold comprising at least one longitudinally extending channel, the fluid manifold having a base defining a plurality of ink outlets, the fluid outlets being spaced apart longitudinally along a floor of the channel; a plurality of printhead chips bonded to the base of the fluid manifold, each printhead chip receiving ink from one or more fluid outlets; and a plurality of transverse ribs positioned across the channel, each transverse rib extending upwardly from the floor of the channel. One or more of the transverse ribs has a recess allowing fluid flow along the floor of the channel between the transverse ribs.

An inkjet printhead includes: an elongate fluid manifold having at least one longitudinally extending channel, the fluid manifold having a base defining a plurality of fluid outlets, the fluid outlets being spaced apart along a floor of the channel; a plurality of printhead chips bonded to the base of the fluid manifold, each printhead chip receiving ink from one or more fluid outlets; and a plurality of transverse ribs positioned across the channel, each transverse rib extending upwardly from the floor of the channel.

A semiconductor device includes a substrate including a cell region and a peripheral region adjacent to the cell region, a cell stack structure located in the cell region, the cell stack structure including vertical memory strings, a circuit located in the peripheral region, the circuit driving the vertical memory strings, and an interlayer insulating layer formed on the substrate to cover the cell stack structure and the circuit, and including air gaps located between the cell region and the peripheral region.

A method of inkjet printing includes the steps of: (i) delivering ink to a printhead manifold having a longitudinal ink channel, one or printhead chips mounted to a floor of the printhead manifold and in fluid communication with the longitudinal ink channel, and a plurality of sealed air cavities positioned over the longitudinal ink channel for dampening pressure fluctuations in the ink; (ii) printing from the printhead chips; and (iii) replenishing the air cavities with air.

The invention discloses a hopper for stainless steel processing and producing. The hopper comprises a shell, a bracket is fixed to the upper end of the outer side of the shell, a suction cup is mounted on the surface of the lower end of the bracket, a rotating shaft is installed at the edge of the lower end of a fixing cover, the fixing cover is connected to a lock catch through a rotating shaft,the lower end of the outer side of the suction cup is provided with a first groove, and the suction cup is connected to the lock catch through the first groove; and the surface of the lower end of theshell is provided with a discharge opening, a spring is mounted at the edge of the upper end of a barrier net, the barrier net is connected to a movable block through a spring, the lower end of the barrier net is provided with a sliding slot, and the barrier net is connected to an inner layer net through the sliding slot. The hopper for stainless steel processing and producing facilitates fixingof the hopper and the outside, the device stability is ensured, disassembly and assembly of parts are facilitated, fixing is facilitated, the raw material drying and ventilating ability is conveniently increased, adjustment of the hole mesh and diameter can be conveniently achieved according to the size of the raw materials, and use is facilitated.

The invention discloses an integrated biological treatment system which comprises a baffling anoxic biofilter, the inner side of the baffling anoxic biofilter is provided with a water inlet area, a baffling reaction area, an aeration area and a filler area; the multi-stage baffling layer form of the baffling reaction area can effectively reduce the loss of activated sludge, and because each stage of baffling layer is located in different spaces, different strains can be effectively cultured, that is, the strains of each stage of baffling layer can be located in the dominant strain range of the current reaction stage; in the aeration area, the upper part of the baffling reaction area at the lower layer and the lower part of the filler area at the upper layer can form a water cycle through aeration of an aeration pipe, so that a facultative anaerobic environment is formed, organic matters in wastewater can be better removed, and the system is adjustable in size, adjustable in treatment capacity, high in flexibility and low in cost. And the application range of wastewater is wide.

The invention relates to a multilayer hybrid semiconductor package, which comprises a base and a sliding protection mechanism, wherein the middle part of the top end of the base is provided with an embedding groove, the middle part of the embedding groove is provided with a chip seat, the two sides of the bottom end of the chip seat are connected with fixing rings, the inner walls of the fixing rings are attached with an erection mechanism, a semiconductor chip is placed on the inner wall of the chip seat, and connecting wire boards are arranged at the top end of the semiconductor chip at equal intervals. The multilayer hybrid semiconductor package is provided with the chip seat, and the chip seat is fixedly connected with the fixing ring, so that when a user needs to install the chip seat in the embedding groove or prepares to additionally arrange the multilayer chip seat due to the packaging requirement, the user can sleeve the outer wall of the periphery of the hollowed-out groove with the fixing ring through the fixed connection formed between the fixing ring and the chip seat, so that the beneficial effect of forming multilayer erection on the chip seat is achieved, and the user can use the multilayer structure to improve diversity and diversification of different degrees for the packaging operation of a semiconductor at the moment.

The invention provides green environment-friendly aluminum silver paste aiming at the problems, and the green environment-friendly aluminum silver paste is characterized by comprising the following components in parts by mass: 60-100 parts of aluminum powder; 100-120 parts of solvent oil; 0.4-0.6 part of stearic acid; 0.2-0.4 part of a coupling agent and 1-1.2 parts of an assistant. The preparation method disclosed by the invention is simple, non-toxic and environment-friendly, and can be suitable for modern large-scale production; the prepared product is good in dispersibility.