50results about How to "Addressing Inadequate Contact" patented technology

A method of reducing pathogens in blood by exposure to a nitric oxide containing gas in an extracorporeal circuitry is provided. The method includes: obtaining blood from a mammal or a blood source, separating the blood into plasma and blood cells, exposing the plasma to nitric oxide containing gas, combining the exposed plasma with the blood cells, reducing nitric oxide content in the recombined blood, and returning the blood to the mammal or blood source.

In a separator for a fuel cell according to the invention, a separator is formed by a molding a bondcarbon compound in which a composition ratio of graphite powder is set to 60 to 90%, and a composition ratio of a thermosetting resin is set to 10 to 40%, and at least a top end face of each of a number of ribs contacting the surface of an anode or a cathode is coated with a conductive film made of a material which is lower in specific resistance than the bondcarbon compound. According to this configuration, while excellent moldability and high productivity are ensured by the use of the bondcarbon compound containing a larger content of a resin, the contact resistance with respect to an electrode is lowered so that the conductivity of the whole can be improved, and predetermined performance of a fuel cell can be surely exerted.

The invention discloses a friction nanometer power generator with a gear shaping structure. The power generator mainly comprises two friction components which are connected through an elastic component, wherein at least one component is of the gear shaping structure which is formed by arranging a plurality of friction units; the gear shaping structure can form a tight occluding state with a friction unit on the other component; under the action of the elastic components, the relative position between the two components can be periodically changed by external force, so that a friction power generation process is promoted, and an electrical signal can be output outwards by the power generator. Effective extraction of vibration energy by sliding friction is realized for the first time through cooperation between the two friction units and the elastic components; meanwhile, through the occluding between first friction units and second friction units matched with the first friction units which are distributed in a gear shaping state, the area of sliding friction is increased, and the electricity output performance of the power generator is improved.

A kit for housing an improved design for crayons includes a container with two chambers. One of the chambers is provided with a blade and a rotatable member for assisting a user to position the crayons against the blade for sharpening purposes. Also included are crayons positionable into another chamber for storage. Such crayons have a plurality of integral faces equidistantly spaced apart from a centrally disposed longitudinal axis thereof respectively. The crayon faces define a plurality of angles therebetween with each of the angles equaling approximately 60 degrees, resulting in substantially triangular cross-sections defining an isometric shape.

The invention discloses a method for producing glyceryl triacetate by atomizing raw materials. The production method can help shorten esterification reaction time and improve product yield, quality and chroma. The objective is achieved in virtue of the following technical scheme: mixing glycerol and acetic acid at a mol ratio of 1:6-9; adding a proper amount of a liquid catalyst and an entrainer,stirring and preheating to 80-100 DEG C; atomizing the mixture to allow the mixture to be subject to esterification reaction at 100-120 DEG C for 1-2h to obtain a liquid mixture containing 98-99% of glyceryl triacetate; adding 1-1.5% of acetic anhydride to the obtained liquid mixture for deep esterification reaction at the temperature of 90-110 DEG C for 10-20min to obtain a semi-finished product; removing the entrainer and the acetic acid, neutralizing, decoloring and filtering to obtain the glyceryl triacetate finished product.

The invention provides a preparation method of a positive electrode plate and polymer electrolyte membrane combined piece. The preparation method comprises the following steps: (1) carrying out ball-milling treatment on a positive active material and a ceramic-based solid electrolyte; (2) under heating, dissolving a polymer binder in an organic solvent, adding lithium salt, and performing stirringto completely dissolve the lithium salt; (3) taking the solution obtained at the step (2), adding a ceramic-based solid electrolyte, performing stirring, pouring the mixture into a mold, and evaporating the solvent to dryness to prepare a polymer electrolyte membrane; (4) taking the solution prepared at the step (2), adding the positive active material and the conductive additive at the step (1),performing stirring, coating an aluminum foil with the solution, and performing drying to obtain a positive electrode plate; (5) tabletting the positive electrode plate, combining positive electrodeplate with the polymer electrolyte membrane at the step (3), performing tabletting, and carrying out melting treatment to obtain the combined piece. According to the method, the compatibility of the positive electrode plate and the electrolyte membrane can be improved, the solid-solid interface contact of the solid-state battery is increased, and the impedance is reduced; the coulombic efficiencyof the battery is effectively improved, and the advantages of the electrode material are fully exerted.

The invention belongs to the energy storage material technical field, and relates to a graphene/nitrogen doped carbon/nickel/nickel oxide composite material preparation method; the method is applied to a super capacitor electrode material preparation occasion, and solves the problems that an existing process is complex in preparation steps, long in time consumption, low in compound specific capacitance, and hard in material applications. The method comprises the following steps: employing a reduction oxidation graphene/crosslinking polyacrylamide/nickel salt aerogel as a precursor; calcining same to realize carbon material in situ nitrogen doping, carbon hot reduction, and catalysis graphitization; and compositing same with the reduction oxidation graphene to form a 3D structure graphene/nitrogen doped carbon/nickel/nickel oxide quaternary nano composite material. The preparation process is simple, and reliable in principles; the composite material can serve as the super capacitor electrode material, is low in equivalent resistance, low in interface charge transfer resistance and Warburg impedance, high in product specific capacitance, excellent in electrochemistry performance, andhas excellent economic benefits and application prospects.

Hand-operable implements include a plurality of inflatable gloves that are sized and shaped for protruding beyond a user's metacarpals. The gloves are formed from air-impermeable material, have rear sides including a plurality of auxiliary support bands attached thereto, and have substantially smooth and planar front surfaces such that when a user engages the gloves during operating conditions, an elevated acoustic sound is generated therefrom. Each auxiliary support band extends upwardly and away from the rear sides of the gloves. The implements further include a mechanism for allowing a user to selectively inflate the gloves to a desired pressure level such that the user may enjoy use of the gloves during recreational activities as well as fold and store the gloves during non-operating conditions.

The invention discloses an oil-containing sludge incineration system for a pressurized fluidized bed and an incineration treatment method. The process comprises the following steps: introducing preheated pressurized air into a fluidized bed incinerator, adding oil-containing sludge into the incinerator to pressurize and combust under a fluidized state, and supplementing auxiliary fuels to keep a combustion state stable if combustion heat is insufficient; enabling high-temperature pressurized wet flue gas generated in the incinerator to preheat pressurized air for combustion of the fluidized bed incinerator, preliminarily cooling the pressurized air into medium-temperature pressurized wet flue gas; continuously performing dust-removal denitration treatment on the flue gas to obtain medium-temperature pressurized clean wet flue gas, and recycling separated fly ash; recycling sensible heat of the medium-temperature pressurized clean wet flue gas through a waste heat recycling system, andrealizing up-to-standard emission through treatment such as a follow-up decompression system and a dehumidifying system. Reduction, harmless and resource utilization as well as energy conservation andemission reduction are realized on the oil-containing sludge, so that combustion efficiency can be greatly improved, equipment unit area processing ability is improved, and emission of harmful substances in flue gas is reduced.

A forming tool, advantageously made from a metal with a forming contact surface (4, 5) and with one or several temperature regulation canals (T₁) which are integrated in the tool (2, 2.1) and through which a fluid flows, characterized in that an electric conductor in the form of an inductor (9) is arranged at the internal wall of the temperature regulation canals (T₁) and, if need be, with the insertion of a dielectric layer covering the temperature regulation canals (T₁).

The invention discloses an undisturbed soil sample sealing device based on a wax sealing method and a sealing method thereof, and relates to the technical field of soil sample collection. The undisturbed soil sample sealing device based on the wax sealing method comprises a soil sample placer, circular hollow partition plates, inner pipe sleeves and a long-neck funnel, wherein the soil sample placer is composed of two layers of materials, a plurality of inner pipe sleeves and a plurality of circular hollow partition plates are arranged in the soil sample placer, an undisturbed soil sample is placed in the inner pipe sleeves, liquid paraffin is injected into the soil sample placer through the long-neck funnel, and the undisturbed soil sample is poured and sealed. The undisturbed soil samplesealing device has the advantages of being higher in sealing performance on irregular soil samples, higher in protectiveness on soil samples difficult to form, tighter in fitting with the inner wallof the sealing device and the like, and the problems that an existing soil sample sealing device is poor in sealing performance, low in protection performance, high in requirement for the size of thesoil samples, single in size of the soil samples suitable for each specification and the like are solved.

A semiconductor device and manufacturing method thereof include a semiconductor substrate, an interlevel dielectric (ILD) layer formed on the semiconductor substrate, a first contact stud formed in the ILD layer, having a width of an entrance portion adjacent to the surface of the ILD layer larger than the width of a contacting portion adjacent to the semiconductor substrate, and a second contact stud spaced apart from the first contact stud and formed in the ILD layer. The semiconductor device further includes a landing pad formed on the ILD layer to contact the surface of the second contact stud, having a width larger than that of the second contact stud. The second contact stud has a width of a contacting portion that is the same as that of an entrance portion. Also, at least one spacer comprising an etch stopper material is formed on the sidewalls of the landing pad and the etch stopper is formed on the landing pad. The entrance portion of the first contact stud has a width about 30-60% larger than that of the contacting portion.

The invention relates to an air water taking device based on a chimney effect. The air water taking device comprises a water taking box body, wherein a secondary water collecting device is arranged at the top of the water taking box body, and a water collecting box is arranged at the bottom of the water taking box body; the secondary water collecting device is fixed at the top of the water taking box body through brackets which are distributed at equal intervals in the circumferential direction; the water taking box body is fixed on the water collecting box through a plurality of upright posts; the water taking box body comprises a shell; a heat insulating layer is arranged in the shell; the heat insulating layer and the shell are coaxially arranged; a plurality of uniformly distributed ventilation pipelines are arranged in the heat insulating layer; the ventilation pipelines are cylindrical; a primary water collecting device is arranged on the inner surface of each ventilation pipeline; the outer surface of each ventilation pipeline is coated with a phase change material; and the top and the bottom of each ventilation pipeline communicate with the atmosphere respectively. According to the air water taking device, the characteristics of heat absorption and heat release of the phase change energy storage material under the influence of day and night temperature difference are utilized, the chimney effect is combined to directionally drain air with higher humidity, and a special water collecting sail is utilized to effectively extract moisture in the air.

The invention provides a plane-coated formed condom. A reinforcing block (4) is arranged at the lower end of a body (1), a reinforcing strip (3) is arranged at the upper end of the body (1), the outeredge of the body (1) is coated with glue (2), the surfaces of the reinforcing strip (3) and the reinforcing block (4) are coated with the glue (2), a positioning element (6) is arranged at the connected part of the reinforcing block and the body, an automatic sealing strip (5) is arranged at the edge of the body (1), and the surface coated with the glue (2) is covered with a layer of detachable paper film.

A surface-emitting type semiconductor laser includes: an upper mirror and a lower mirror each composed of alternately formed first semiconductor layers and second semiconductor layers; an active layer disposed between the upper mirror and the lower mirror, wherein the surface-emitting laser emits laser light in a direction in which the first semiconductor layers and the second semiconductor layers are formed; a thick film layer formed with one of the first semiconductor layers composing the lower mirror, the thick film layer being thicker than other of the first semiconductor layers; and a third semiconductor layer provided between the thick film layer and one of the second semiconductor layers on the thick film layer, the third semiconductor layer having a refractive index between a refractive index of the first conductive layer and a refractive index of the second semiconductor layer.

The present invention relates to method of preparing a monocrystalline diamond abrasive grain comprising the steps of: sufficiently dispersing a micron-scale monocrystalline diamond and at least a micron-scale metal powder in a sol containing at least a nano-scale metal powder, and controlling the suitable ratio of the two kinds of metal powder with different order of magnitude of particle size, accordingly the micron-scale metal powder can be stuffed into voids among the monocrystalline diamond grains, and only a suitable amount of nano-scale metal powder is required to let the micron-scale metal powder and nano-scale metal powder coat together on the surface of the micron-scale diamond to form an integral and uniform coating layer including at least two kinds of metal grains, thus the resulting monocrystalline diamond abrasive grains have a unique rough-surface morphology, a plurality of contact points and contact surfaces resenting in the grinding process and good self-sharpening.

The invention relates to the technical field of flue gas desulfurization, and concretely relates to a double-loop flue gas desulfurization tower. The tower comprises a solution box, the upper surface of the solution box is fixedly connected with a tower body and a water pump, the water inlet end of the water pump is fixedly connected with a liquid inlet pipe, and the water outlet end of the water pump is fixedly connected with a liquid outlet pipe. A spraying device is fixedly connected to the inner top wall of the tower body, a filtering device is fixed to the inner wall of the tower body, a brushing device is slidably connected to the surface of the filtering device, and the brushing device is rotatably connected with the spraying device through a double-crank sliding block mechanism. According to the double-loop flue gas desulfurization tower, an electric push rod is arranged to conveniently drive a right-angle rod to move rightwards, the right-angle rod conveniently drives a concentric-square-shaped frame to move rightwards, and then a filter screen is driven to push rightwards, so that sediments such as gypsum fall into a funnel, and impurities such as gypsum are conveniently taken out by the funnel and then are treated in a centralized manner; therefore, the problems that more impurities such as gypsum are generated during industrial flue gas desulfurization, the labor intensity of manual cleaning is high, and centralized treatment is difficult are solved.

The invention discloses a process for preparing chloropentane. The process comprises the steps: hydrolyzing phosphorus trichloride, performing isopentene addition and recovering hydrogen chloride gas. The process is characterized in that the process of hydrolyzing phosphorus trichloride comprises the substeps: adding diluted hydrochloric acid with the mass percentage of 3-5 percent and phosphorus trichloride into a reaction kettle for reacting, wherein the reaction temperature is 30-50 DEG C, and the reaction time is 4 hours; the process of performing isopentene addition comprises the substeps: contacting isopentene and hydrogen chloride gas for reacting, wherein the gas flow velocity is 150m<3>/h, the reaction temperature is 5-10 DEG C, and the reaction time is 20-30 seconds; and absorbing excessive hydrogen chloride gas through a hydrochloric acid absorption tower to be used for hydrolyzing phosphorus trichloride again. The process has the beneficial effects that the phosphorus trichloride hydrolysis condition is adjusted to the temperature of 30-50 DEG C and the reaction time of 4 hours, the problems that heat release is extremely fast and the gas release amount is instable in the reaction process are effectively solved, the potential safety hazard is eliminated, a good reaction basis is provided for subsequent addition, the content of by-product phosphorous acid is over 99 percent, the yield is improved to over 99 percent, and the economic benefits are considerable.

The invention discloses a tubular pile type fence structure applied to deep sea culture and a mounting method of the tubular pile type fence structure. The fence structure comprises a platform, a plurality of outer pile columns and inner pile columns which are vertically welded to the bottom face of the platform, a fence assembly, a sealing assembly, a fastening assembly and a winch. The enclosure assembly comprises an outer enclosure net, an inner enclosure net, netting ropes, fixing ropes arranged between every two adjacent netting ropes in a winding mode, and a plurality of fixing rings welded to the outer pile column and the inner pile column. The sealing assembly comprises a plurality of sets of bottom nets, chains, fixing rods and winding and unwinding ropes fixedly connected to the corresponding fixing rods. Each fastening assembly comprises a base block, a vertical through hole, a horizontal through hole, a fastening chain and a bolt, wherein the vertical through hole and the horizontal through hole are formed in the corresponding base block. By means of the fence structure, the problems that when an existing fence for deep sea aquaculture is constructed and maintained, the netting installation difficulty is large, net replacement is difficult, the repairing difficulty is large, and the maintenance cost is high are solved.