134 results about "Cell cavity" patented technology

A firearm target illumination implement is disclosed. The firearm target illumination implement includes a body that is adapted for removable-attachment to a barrel of a firearm. According to an embodiment, the firearm target illumination implement includes an illumination device disposed in the body and a plurality of illumination device actuators ambidextrously-arranged on the body to provide control of on/off switching and focusing of light emitted from the illumination device. According to an embodiment, the firearm target illumination implement includes a mounting plate that is removably-secured to the body, at least one fastener that passes through the mounting plate and into the body, and a portion of the at least one fastener that provides tactile feedback to an operator when the at least one fastener is moved by the operator from a first position to a second position. According to an embodiment, the firearm target illumination implement includes two or more axes extending, respectively, through the two or more energy cell cavities formed in the body that are parallel to but not coincident with a axis of the barrel of the firearm.

Battery sub-arrays are configured for electrical and mechanical coupling with each other to form a multi-cell battery. A sub-array may be an individual cell or a group of cells. Each sub-array includes a bypass switch to connect the sub-array within the multi-cell battery or bypass the sub-array. Monitoring and control circuitry controls the bypass switch in response to voltage measurements, temperature measurements or a combination thereof for the sub-array. Each sub-array is contained in a holder including a housing and a thermal container encompassing a substantial portion of the housing. The housing includes a cell cavity, a sensor cavity, and a circuit cavity. Positive terminals and negative terminals are positioned on sides of the holder such that when holders are mechanically abutted in an array, various electrical connections can be made to connect the cells in series, parallel, or a combination thereof.

A switch for controlling the supply of current from a battery cell in a cell cavity to a battery terminal in a battery casing is disclosed. The switch includes a mounting base, a first buss bar connected to the mounting base and connectable to the battery cell, a second buss bar connected to the mounting base and connectable to the battery terminal, and a relay having open and closed positions. The relay includes a third buss bar that places the first buss bar and the second buss bar in contact to provide current from the battery cell to the battery terminal when the relay is in the closed position. The relay is moved into a latched open position when a first winding of a coil of the relay is energized by electricity, and is moved back into a latched closed position when a second winding of the coil is energized.

The invention relates to a multiple helmholtz resonator parallel cellular sandwich wood sound absorption plate, belonging to the field of sound absorption technologies. The invention solves the problems of small chamber volume ratio, narrow sound absorption frequency band and poor sound absorption effect in the traditional sound absorption panels. Technical essential is characterized in that a sandwich layer is a cellular sandwich layer; the cellular sandwich layer is formed from splicing a plurality of cylinder bodies with hexagonal cross sections; an inner cavity of each hexagonal cylinder body is a cell cavity chamber; the chamber volume ratio of the sandwich layer is larger than 90%; the area of perforation shape surrounded by contour lines of each perforation is less than a half of the hexagonal area of corresponding sandwich layer; and each small through hole on a panel is communicated with the cell cavity chamber at the corresponding position of the sandwich layer. The invention has wider sound absorption frequency band and better medium high frequency sound absorption performance, and the sanding wave tube method sound absorption coefficients respectively reach 0.8, 0.9 and 0.7 at 500Hz, 1000Hz and 2000Hz. In addition, the invention also has the characteristics of light weight, high ratio of strength to weight, good decorative effect, and the like; and wood resources can be saved, preparation process is simple, and cost is low.

An endoscope includes an inserted unit for being inserted into a celomic cavity of a body and having therein at least one channel, and an ultrasonic treatment apparatus including a transmitting member that transmits an ultrasonic wave produced by an ultrasonic vibrator, and a treatment unit provided on a distal end of the transmitting member and for being inserted, together with the transmitting member, into the channel. The ultrasonic treatment apparatus is arranged within the channel by positioning a distal end of the treatment unit within a field of vision of the endoscope.

This invention relates to a kind of precision test method of lithium ionizaation cell cavity leak and its device. The steps as follows: (1) vacuumize phase, time control at T1:3 to 5 second within, flip the inner vacuum of cell cavity to a certainty value P1;if vacuum degree within T1 can not achieve P1 value, it illustrate battery cavity has obvious leak, judge for badness; (2) keep balance phase: time control at T2:2 to 3 second within, keep cell cavity sealing, keep its vacuum level, stabilize gas path, suppress interference;(3) detection phase: clean display of initiating electron vacuum gauge, time control at T3:1 to 4 second within, detect cell cavity inner vacuum degree's variance delta P, if delta P greater than set value, then cell cavity has micro leak, judge for badness;(4) complete phase, time control at T4:0.2 to 0.5 second, restore cell cavity to normality. This device can proceed automatic discrimination to badness cell, advance detect precision and/or efficiency.

The invention discloses a method for modifying wood by filling grafted cell walls with organic monomers and polymerization-filling cell cavities, which relates to a wood modification method. The invention solves the problem of difficulty in simultaneously enhancing mechanical properties and durability of wood in the existing wood modification method. The method comprises the following steps: 1, preparing organic acid anhydride solution; 2, soaking the wood with the organic acid anhydride solution; 3, filling grafted wood cell walls with organic acid anhydride by heating; 4, preparing the organic polymerizable monomer solution; 5, soaking the wood with the organic polymerizable monomer solution; and 6, carrying out polymerization-filling on the wood cell cavities with the monomers by heating. Since organic function micromolecules firstly enter the wood cell walls, the method realizes filling and bonding and eliminates a great deal of hydroxyl groups in the cell walls, thereby enhancing wood durability; and the wood cell cavities are soaked by the organic polymerizable monomers to initiate the polymerization and realize the filling of the cell cavities, so that the wood has higher mechanical properties and durability.

The invention discloses a method for improving the ash content of paper-making process reconstituted tobaccos. The method includes the steps that after tobacco raw materials are extracted, solid-liquid separation is carried out, tobacco liquid is partially refined, concentrated and charged and then is manufactured into coating liquid, pulping treatment is partially conducted on the tobacco solid part, so that tobacco slurry fibers are obtained, CaCO3 is added into the tobacco slurry fibers, and the CaCO3 is filled into cell cavities of the tobacco slurry fibers through pits of the tobacco slurry fibers; afterwards, the tobacco slurry fibers and additional fiber slurry are mixed according to the weight ratio of 4 to 1, and then paper manufacturing with pulp is carried out to manufacture reconstituted tobacco sheets; the coating liquid is made to coat the reconstituted tobacco sheets, so that the paper-making process reconstituted tobaccos are manufactured. According to the method, the technology that the CaCO3 is filled into the cell cavities of the tobacco slurry fibers is applied to the preparation technology of the paper-making process reconstituted tobaccos, any chemical agent such as a high-molecular polymer is not added, and the purposes that the ash content is improved and meanwhile the strength performance of the paper-making process reconstituted tobacco sheets is improved can be achieved.

The invention discloses a method for union modification of wood by treating cell walls through a silicon-containing compound and filling cell cavities with polymer, and relates to a method for modifying the wood. The invention solves the problem that the conventional wood modifying method is difficult to improve the mechanical property and the durability of the wood simultaneously. The method comprises the following steps of: 1, pre-conditioning the wood; 2, preparing silicon-containing precursor solution; 3, impregnating the wood by using the silicon-containing precursor solution; 4, performing chemical treatment on the cell walls of the wood by using the silicon-containing compound through a heating method; 5, preparing organic polymerizable monomer solution; 6, impregnating the wood byusing the organic polymerizable monomer solution; and 7, performing polymerization filling on the cell cavities of the wood by using monomers through a heating method. In the method for treating the wood, the silicon-containing compound is utilized to endow the wood with high thermal stability, lyophobic property and wear resistance, and the organic polymer can be utilized to endow the wood with excellent mechanical property and dimensional stability.

The invention relates to a process for simultaneously heating and pressing modified hard wood by using a steam and high frequency double heat source. The process is implemented through the following steps of: (1) cutting log rotatably into wood veneers, cutting the wood veneers into wood strips and drying the wood strips until the water ratio is 12 to 15 percent; (2) forcibly injecting water soluble phenolic resin solution into cell cavities of the wood strips by a vacuum pressing method and performing chemical modification process and gum dipping on the wood; (3) drying the modified and gum-dipped wood strips to control the water ratio to be within the range from 12 to 15 percent; (4) heating an upper hot pressing plate and a lower hot pressing plate of a press with steam during the pressing to increase the temperature of the surfaces of the plates to 140-145 DEG C, and simultaneously starting a high frequency machine to heat the interior of a blank, wherein the used pressure is 110 to 120kg/cm, the pressing time is 10 to 15min and the pressure is held for 10 minutes; and (5) sawing a rough edge plate to length after the rough edge plate is stored and cooled for 24 hours, and cutting the edges on the four sides to form a qualified product of consistent specification. The process is advanced and practical and can be applied to various fast-growing woods to realize batch production of high-specification modified hard wood.

The present invention relates to a photo-acoustic device (100) for photo-acoustic analysis of a sample such as exhaled human breath.The device includes a sample cell cavity (102) for containing the sample (116), a first light source (130) outside the sample cell cavity for emitting a first modulated light beam (114) at a wavelength in an absorbing range of the searched component. The first light beam is led into the cavity through a transparent cavity wall (106). The searched gas component absorbs the first light beam and first acoustic waves are thus generated which are picked up by the microphone (110). The microphone also picks up background acoustic waves caused by the laser light beam going trough the cavity wall. The device is further equipped with a noise cancellation system (120, 122) that generates a second set of acoustic waves in anti-phase with the background acoustic waves.

The invention relates to a preparation method of a high-thermal-conductivity graphene floor heating floor. The method comprises the following steps of 1 single plate pretreating, 2 air drying at roomtemperature, 3 plasma treating, 4 dipping, 5 drying, 6 single plate blank matching and 7 hot pressing. According to the preparation method, a graphene-metal composite material is dissolved into a dipping solution, dipping modification is conducted on wood, the graphene-metal composite material is evenly distributed in wood cell cavities, therefore, the thermal conductivity of the wood can be greatly improved, and the density and the stability of the wood can be enhanced. The modified wood is made into the high-thermal-conductivity graphene floor heating floor by being taken as a veneer layer,a middle layer and a substrate, the thermal conductivity of the floor is effectively improved, and the functions of saving energy and reducing consumption and being uniform in thermal dissipation, stable in structure and the like of the floor heating floor are achieved.

The invention discloses an intelligent health monitoring necklace capable of monitoring body temperature; the intelligent health monitoring necklace comprises a necklace body and a sling above the necklace body; one side face of the necklace body is provided with a touch display screen; a circuit cavity, a cell cavity, a communication cavity and an equipment cavity are arranged in the necklace body; a monitoring circuit is arranged in the circuit cavity, and comprises a CPU, a communication unit connected with the CPU through signals, and a heart rate monitor; the touch display screen is in signal connection with the CPU; the heart rate monitor is arranged in the equipment cavity; a rechargeable cell used for supplying power for the monitoring circuit is arranged in the cell cavity; the communication unit comprises a communication antenna arranged in the communication cavity; the intelligent health monitoring necklace combines intelligentized wearable equipment with the health monitoring function, so people health monitoring can be very simple, thus improving people health management convenience level.

The invention discloses a preparation method of a subjective-objective explosive with high crystal density. The preparation method comprises the following steps: respectively preparing a fresh hydroxylamine solution and a CL-20 explosive solution, mixing the two solutions, oversaturating the solutions by using a recrystallization technique, driving cocrystallization of CL-20 with hydroxylamine, thereby obtaining the subjective-objective explosive crystal which is highly ordered in molecular accumulation, is periodically arranged and prepared through cocrystallization of CL-20 with hydroxylamine. The invention further discloses the subjective-objective explosive with high crystal density. The molecular ratio of the subjective-objective explosive with high crystal density is 2:1, the hydroxylamine is embedded into unit cell cavities of CL-20, then the crystal density of the explosive can be up to 2.0g.cm<-1> or greater, relatively good thermal stability can be achieved, and meanwhile stable preparation of the hydroxylamine is achieved. The subjective-objective explosive prepared by using the preparation method has the potential of increasing air release quantity, increasing the detonation velocity and the detonation pressure and improving comprehensive properties of explosives, and has wide application prospects in advanced weapon payloads and rocket propellants.

An electrolytic cell for the recovery of material as a powder or flakes from a solution, includes a cell cavity for containing the solution, a rotatable electrode in the cavity having a pair of opposite electrode faces, and a counter electrode in spaced and opposing relationship with the respective opposite electrode faces of the rotatable electrode to supply a current through solution in the cavity to permit extraction of the material by electrochemical reaction. A vibrator directs vibrational energy toward the rotatable electrode to dislodge material extracted as a powder or flakes from the solution by an electrochemical reaction.

The invention discloses a method for quickly preparing a silicon dioxide/wood composite material. The method comprises the steps as follows: (1) pretreatment of wood; (2) preparation of a silicon-containing precursor solution; (3) impregnation of the wood with the silicon-containing precursor solution through ultrasonic vibration; (4) ageing; and (5) drying. According to the method, the quick impregnation of the wood with the silicon-containing precursor solution in a sol-gel method process is realized through the ultrasonic vibration, the production technology is simple and quick, a lot of time is saved, the manufacturing cost is low, the quality is stable, and most of nano silicon dioxide can be deposited on cell walls of the wood and cell cavities can be filled with part of the nano silicon dioxide in the form of gel in a short time; the heat stability, the hygroscopicity and the waterproofness of the wood are significantly improved while environmental characteristics of the wood are maintained to the maximum extent, and mechanical properties and the dimensional stability are greatly improved, so that the wood with the soft texture can be used for preparing interior decorations and furniture materials and has the broad development prospect.

Systems and methods for providing the assembly electrochemical cells in neutral materials are described. Components can be eliminated from traditional electrochemical cell designs in this fashion. Embodiments of assemblies include a module block formed of a neutral material including a plurality of cell cavities, the cell cavities having at least an open top end. Each of the plurality of cell cavities is configured as a cell case for an electrochemical cell. The cavities can be provided a feed-through assembly, or have an electrochemical cell assembled therein.

A slot-coupled CW standing wave multi-cell accelerating cavity. To achieve high efficiency graded beta acceleration, each cell in the multi-cell cavity may include different cell lengths. Alternatively, to achieve high efficiency with acceleration for particles with beta equal to 1, each cell in the multi-cell cavity may include the same cell design. Coupling between the cells is achieved with a plurality of axially aligned kidney-shaped slots on the wall between cells. The slot-coupling method makes the design very compact. The shape of the cell, including the slots and the cone, are optimized to maximize the power efficiency and minimize the peak power density on the surface. The slots are non-resonant, thereby enabling shorter slots and less power loss.

The invention discloses a programmable bionic negative poisson ratio structure. The programmable bionic negative poisson ratio structure comprises a skin and bionic negative poisson ratio structure cells. The programmable bionic negative poisson ratio structure is characterized in that the bionic negative poisson ratio structure cells are regularly and sequentially arranged and connected; each bionic poisson ratio structure cell is composed of an upper cell wall, a middle cell wall, a lower cell wall and a cell cavity, wherein the cell cavity is located in space defined by the upper cell wall, the middle cell wall and the lower cell wall; the bionic negative poisson ratio structure cells are of a longitudinal axisymmetric structure. The invention further discloses a design method for the programmable bionic negative poisson ratio structure. The bionic negative poisson ratio structure designed through the method has a better negative poisson ratio structure character and energy absorbing performance, the stress concentration problem of the structure can be remarkably reduced, programmable design of design parameters of the bionic poisson ratio structure can be quickly achieved through the design method, and therefore performance of components is further improved according to different application objects.

The invention discloses a method for preparing calcium carbonate composite fibers and application in paper making. The calcium carbonate composite fibers are prepared by the following steps: after high-yield pulp and calcium hydroxide solution are soaked for 0.5-2 hours, the fibers are fully moistened and expanded, cell cavities are moistened and expanded, part of the calcium hydroxide solution permeates into the fiber cell cavities, then CO2 mixed gas is introduced into the solution, and the reaction is ended to generate the calcium carbonate composite fibers when pH of the system is reduced to 6-7. The prepared calcium carbonate composite fibers can be compounded with NBKP and LBKP to maintain quality of paper when the calcium carbonate composite fibers are promoted to have at least 3 percent of paper ash content. The application of the calcium carbonate composite fibers in a pulp mill or a paper mill has unprecedented significance.

The invention relates to a cell culture module and a cell culture system. The cell culture module comprises a sealed body, a culture solution cavity and a cell cavity, a sealing stopping block and hollow fiber yarns, wherein the sealed body is communicated with the outer side through a culture solution inlet, a culture solution outlet, a cell sap inlet and a cell sap outlet; the culture solution cavity and the cell cavity are located in the body; the culture solution cavity comprises a culture solution cavity communicated with the culture solution inlet and a culture solution cavity communicated with the culture solution outlet, which are independent; the cell cavity is communicated with the cell sap inlet and the cell sap outlet; the sealing stopping block is used for separating to form the cell cavity and the culture solution cavity; the hollow fiber yarns are arranged on walls of the cell cavity and are provided with micro-pores which do not allow cells to pass; the hollow fiber yarns penetrate through the sealing stopping block; two ends of the hollow fiber yarns are communicated with the culture solution cavity located at a culture solution inlet end and the culture solution cavity located at a culture solution outlet end respectively. The cell culture system comprises a cell culture chip and can be used for culturing various cells.

The invention relates to a preparation method of a light-transmitting wood energy storage material. The method specifically comprises the following steps: (1) performing delignification treatment on wood to prepare a wood template subjected to delignification; (2) preparing a resin composite material with a energy storage function by a melt blending method; and (3) performing vacuum impregnation on the wood template subjected to delignification by using the prepared resin composite material to fully fill cell cavities and cell walls of the wood to obtain the light-transmitting wood energy storage material. The method has the following advantages: 1) the method is simple to operate, does not need a large amount of reagents, and is green and environmentally friendly; 2) the structure of thewood is reserved well, and the mechanical property is relatively excellent than before; 3) the treated wood has relatively high light transmittance and haze; and 4) the percentage of the energy storage material accounts in the resin composite material prepared by the method is up to 80%, so that the wood has a relatively good energy storage function, room-temperature regulation can be facilitated,and energy is saved. The invention aims to solve the problem that an existing light-transmitting wood material has no energy storage function.