68results about How to "Same density" patented technology

The invention discloses a method for preparing a maize straw board, which comprises the steps of dehydrating maize straws, cutting off the maize straws, compressing the maize straws into an isopycnic straw board-preparation raw material, drying the raw material, sieving the raw material into a coarse material and a fine material, spraying an adhesive, and performing hot press molding, wherein the weight percentage of the straws and the adhesive is 85-90: 10-15. The adhesive for preparing the board consists of 75 to 90 percent of urea-formaldehyde resin, 5 to 8 percent of ammonia water, 0.5 to 1 percent of polyvinyl alcohol, 6 to 12 percent of melamine, and 0.5 to 1 percent of ammonium chloride (weight proportion). The method is characterized by utilizing all components (peels, pulp and leaves) of the maize straws, adopting special equipment to directly compress the cut straws into the board-preparation raw material with the equidensity of between 0.8 and 1.0g/cm3, ensuring the same density of the raw material in sizing and pressing links of the board, improving the internal bonding strength of products, and also improving the utilization rate of the raw material and simplifying production technology so as to reduce production cost at the same time. The maize straw board has the advantages of adequate raw materials, low cost, high board quality, good biological degradability, and no pollution to the environment.

The invention discloses a method and device for transmitting downlink data of a relay link, which can maintain the consistency for special pilot frequency configuration of a plurality of RPB (Physical Resource Blocks) scheduled by a terminal. The method comprises the step of transmitting downlink data by adopting a TDM (Time Division Multiplexing) mode in an R-PDCCH (Relay-Physical Downlink Control Channel) area and an R-PDSCH (Relay-Physical Downlink Share Channel) area in the same PRB, wherein a resource unit capable of transmitting special pilot frequency in the R-PDCCH area does not transmit the downlink data.

The invention relates to a homogeneous chemiluminescence detection kit and application thereof. The kit comprises a donor reagent and a receptor reagent, wherein the donor reagent comprises donor microspheres, the donor microspheres can generate active oxygen in an excited state, and the surfaces of the donor microspheres are coated with markers; the receptor reagent comprises receptor microspheres, the receptor microspheres can react with the active oxygen to generate detectable chemiluminescence signals, the surfaces of the receptor microspheres are coated with biomolecules, and the biomolecules can be specifically combined with target molecules to be detected; the particle size of the receptor microspheres is equal to that of the donor microspheres. The particle size of the donor microspheres in the kit is equal to that of the receptor microspheres, and the precision and sensitivity of the kit are improved.

The invention relates to a dispersive sewage multilayer soil ecological treatment device which comprises a raw water tank, a first sedimentation tank, a contact oxidation tank, a biological filter tank, a second sedimentation tank, a flow regulating tank, a soil treatment tank and a water collection tank which are connected in sequence,, wherein the raw water tank, the contact oxidation tank, the biological filter tank, and the soil treatment tank are respectively connected to an air blower, and the soil treatment tank comprises a tank body, a water distributing pipe, a water passing layer, a soil layer, a ventilation layer, an air layer, a quartz sand layer, a cobblestone layer and a water collecting pipe. A treatment method comprises the following steps of: (1) lifting sewage to the first sedimentation tank for anaerobic sedimentation after collecting the sewage by using the raw water tank; (2) entering the contact oxidation tank, and then making discharged water pass through the biological filter tank; (3) after passing through the second sedimentation tank, making the discharged water enter the flow regulation tank, and then delivering the discharged water to the soil treatment tank; and (4) intermittently performing water intake and ventilation on the soil treatment tank. The invention effectively improves the osmotic coefficient of a soil layer, the hydraulic loading is up to above 2.0-8.0m and is increased by dozens of times higher than the traditional soil treatment method, and the treatment efficiency is obviously improved.

The invention relates to a microsphere composition for chemiluminescence detection in the technical field of chemiluminescence, and an application thereof. The microsphere composition comprises: respective donor microspheres capable of generating active oxygen in an excited state, wherein the surfaces of the donor microspheres are coated with markers; and acceptor microspheres capable of reactingwith the active oxygen to generate detectable chemiluminescence signals, wherein the surfaces of the acceptor microspheres are coated with biomolecules, and the biomolecules can specifically bind to target molecules to be detected; wherein the particle diameter of the donor microsphere is equal to that of the acceptor microsphere. The microsphere composition provided by the invention improves theluminous efficiency of detection when the luminous microsphere composition is used for immunoassay detection by controlling the matrix and the particle size of luminous microspheres and photosensitivemicrospheres, and the detection sensitivity is very good.

The invention discloses a hot-press forming process of a counterweight filler with high specific gravity. The process comprises steps as follows: material selection, material crushing, material placement in a middle bin, weighing, screening, heating, thermal insulation, hot-press forming and cooling as well as conveying. The production process is simple, the production speed is high, the quality of the counterweight filler can be guaranteed, and manual operation is not required in the whole production process.

The invention relates to a device and a method for accurate compression molding of a test piece during a similar material confecting process. The device comprises a material molding mold and an accurate compression control system, wherein the material molding mold is detachable so as to facilitate the coating of a release agent in early period and de-molding of the test piece in later period; and the accurate compression control system can display the pressure and set the pressure to be applied to compress the test piece. By adopting the accurate compression system of the test piece during the similar material confecting process for a geo-mechanics model test, the problem that the pressure exertion and the material dosage cannot be controlled during the test piece confecting process in a traditional manual mode; and the pressure exertion can be controlled accurately during the manufacturing process of the similar material test piece, and therefore the quality error of the test piece is reduced, the difference of mechanical parameter caused by the manufacturing of various test pieces is reduced, and the obtained experimental data can well guide the confecting of similar materials.

Silicone oil used for an insulating solution for a liquid lens is disclosed which satisfies all of the requirements, i.e., density, viscosity, surface tension and refractive index, required as an insulating liquid for a liquid lens.

The silicone oil includes at least one selected from compounds represented by Formulas 1 to 3 below:

wherein R₁ to R₆ are same or different each other; and are independently selected from the group consisting of phenyl being replaced by alkyl or halo in ortho, meta or para position, silanol, alkyl and alkoxy each having a molecular weight of 200 or less.

A preparation method of a porous oil-containing lubrication material using UHMWPE as a matrix comprises the steps that 70-90 parts of the UHMWPE, 1-20 parts of polytetrafluoroethylene and 1-10 parts of a solid lubricant are stirred and mixed; then, the mixed powder is subjected to press forming and sintering treatment; the sintered and formed material is subjected to vacuum oiled immersion.The prepared thermoplastic polyethylene porous oil-containing material having ultra-high molecular weight internally has a rich porous structure, can continuously and stably provide lubricating oil in a working state and has abrasion resistance, impact resistance, chemical corrosion resistance, low temperature resistance and other excellent performances.Oil can be continuously supplied to a mechanical friction pair, and a practical effect is good.

The invention relates to a large and bulky paper pulp die-pressing process, which includes the following steps: a pulp box loaded with paper pulp is arranged under a forming unit, a paper pulp agitation mechanism is arranged at the bottom in the pulp box, the recess of a forming female die is upward, and moreover, the forming female die can be driven by a driving mechanism to move down into the pulp box, and thereby is immerged into paper pulp; a vacuumizer is utilized to vacuumize the forming female die, so that a wet green is formed; the forming female die upwardly gets close to a male die, the wet green is transferred, the male die brings the wet green to move onto a shaping unit, and the wet green is heated and shaped. The process disclosed by the invention can prepare bulky and large-sized vegetable fiber die-pressed products, the cost is low, and the rate of finished products is high.

The invention discloses a testing method for the dynamic response of a model pile foundation. The testing method comprises the steps of 1, selecting model soil and model pile material; 2, preparing a model pile through a model pile preparing device; 3, determining the compaction standard of the model soil according to the speed of shear waves; 4, placing the model pile prepared in the step 2 into the center of a model box, placing the model soil into the model box in multiple times and compacting the model soil according to the compaction standard of the model soil obtained in the step 3, wherein the model soil inside the model box comprises a plurality of layers of soil bodies; 5, arranging various testing elements inside the model box; 6, connecting the testing elements to a data acquisition system; and 7, obtaining the data of the dynamic response by the data acquisition system through the various testing elements. According to the testing method, model tests are efficient and can be carried out accurately.

The invention belongs to the technical field of batteries, and particularly relates to a reflux device for controlling the film thickness of a multi-gap pole piece. The reflux device comprises a feedpipe, a coating valve, a return valve, a return pipe and a membrane head pipe, the membrane head pipe is in communication with the feeding pipe to form a main trunk line, the coating valve and the return valve are sequentially connected to the main trunk line in series, the return pipe is in communication with the return valve, the return pipe comprises a first pipeline and a second pipeline, andthe first pipeline and the second pipeline are connected in parallel. The reflux device is simple in structure, achieves multi-gap pole piece production, and is simple to operate, stable in work and high in production efficiency. In addition, the invention further provides a control method of the reflux device so as to improve the working stability and efficiency of the reflux device.

The invention discloses an artificial pearl nucleus as well as a preparation method and application thereof. A high polymer material polylactic acid with histocompatibility is used as a carrier, hydroxyapatite powder and nano silver powder are uniformly mixed according to a certain proportion, then an injection molding method is adopted to produce a pearl nucleus, and the pearl nucleus is boiled and purified for nucleus implantation and pearl cultivation production. The artificial pearl nucleus is simple in preparation process, controllable in shape, pure white in color and proper in density,and has good histocompatibility and antibacterial activity. By cultivating pearls through the artificial pearl nucleus, and the survival rate of pearl cultivating shells and the quality of the pearlscan be remarkably improved. The artificial pearl nucleus can replace the traditional tridacna or clam pearl nucleus to cultivate pearls.

Reflection layers are arranged for respective pixels with predetermined intervals in a row direction (X direction) and a column direction (Y direction) in a display region, and, subsequently to the display region, are arranged in the same manner with the predetermined intervals in the row direction (X direction) and the column direction (Y direction) also in a peripheral region around the display region. First electrodes, first light path adjusting layers, and second light path adjusting layers are arranged for the respective pixels in the display region, and are arranged so as to correspond to the respective reflection layers also in the peripheral region. The respective reflection layers are partially connected to each other in the peripheral region and are electrically connected to a second electrode at a cathode potential.

The invention relates to a compactor for making a fiber module. The compactor comprises a compactor body, and a pressing plate and a driving mechanism which are arranged on the compactor body; the compactor body comprises a worktable, and a mounting plate fixed above the worktable, and the pressing plate is arranged between the worktable and the mounting plate and parallel to the worktable; the driving mechanism comprises a compacting cylinder vertically fixed on the mounting plate and a pushing cylinder arranged in parallel to the worktable; a cylinder piston rod A of the compacting cylinder is connected with an upper end face of the pressing plate; the pushing cylinder is arranged at a side edge of an upper end face of the worktable, and an end portion of a cylinder piston rod B of the pushing cylinder is hinged to a push plate. The compactor for making the fiber module has the advantages that the compactor for making the fiber module is mainly applied to process the fiber module needed for use in a furnace roof, a fiber blanket is compacted by the compacting cylinder, and then the compacted fiber module is pushed into a plastic thin film sleeve by the pushing cylinder, and the whole operation process is simple, convenient, and high in working efficiency.

The invention relates to an online pollution monitoring system and an online pollution monitoring method. The online pollution monitoring system provided by the invention is characterized by comprising sampling units (100) and a main system (200), wherein the sampling unit (100) imports a chemical product via a line connected with a point using, storing or supplying the chemical product, and generates a transmission sample to be transmitted; the main system (200) receives the transmission sample from the sampling unit and performs analysis via an analyzer; the main system is connected with transmission lines (300) in a radial manner via a plurality of dispersedly arranged sampling units, and in the transmission lines, non-reactive gases of the transmission sample are in the front and back,so as to be transmitted in a packaged manner.