12results about How to "Liquidity" patented technology

This invention relates to the field of nuclear medicine PET technology, and more particularly to a method for preparing a radionuclide beam source. The method includes: mixing addition-type liquid silicone rubber with a radionuclide to obtain a liquid mixture; placing the liquid mixture in a syringe and removing air bubbles; connecting the tip of the syringe needle to a hollow casing; filling the casing with the liquid mixture and sealing it; then curing and sealing by welding; the radionuclide includes one or more of Ge-68, Cs-137, Co-60, P-32, Sr-90, Y-90, Na-22, Na-24, Sr-89, Lu-177, and Rh-106. This invention provides a method for preparing a radionuclide beam source for nuclear medicine PET. 68 The manufacturing method of the Ge wire source features room temperature curing with no byproducts, uniformity without bubbles, and long-term use at temperatures ranging from -50 to 200 degrees Celsius, meeting [the requirements]. 68 Safety performance level requirements for Ge line sources.

This invention discloses a large-area photo-chargeable aqueous zinc-ion battery, its preparation method, and its application. The method includes the following steps: Two pieces of glass with a transparent conductive layer coated on one side are taken. A positive electrode material is placed on the coated layer of one of the glass pieces. A glass fiber separator and a negative electrode material are sequentially covered on top of the positive electrode material. The other glass piece is then placed on top of the negative electrode material with its coated layer facing down. The positions of the two glass pieces are adjusted so that they are stacked alternately. Pressure is applied to the resulting stacked structure, and three sides are sealed with hot melt adhesive. After the hot melt adhesive has cured, electrolyte is injected into the unsealed side, and then this side is sealed again. The negative electrode of a diode is connected to the glass on the positive electrode side of the battery, and the positive electrode of the diode is connected to the glass on the negative electrode side of the battery, thus obtaining a large-area photo-chargeable aqueous zinc-ion battery. The battery of this invention has the advantages of high light utilization, stable charging, and low loss.

The utility model relates to a multi-layer filtering assembly for tungsten liquid purification, and aims to solve the problems of poor filtering effect and low efficiency of an existing tungsten liquid filtering device. The assembly comprises a purification barrel, the bottom of which is provided with a liquid outlet pipe and the top of which is provided with a liquid inlet pipe; the first filtering barrel is rotatably arranged in the purifying barrel, a plurality of filtering holes are formed in the first filtering barrel, and to-be-purified tungsten liquid input by the liquid inlet pipe flows into the first filtering barrel; the second filtering barrel is rotatably arranged in the purifying barrel, sleeves the first filtering barrel and is also provided with a plurality of filtering holes; and the third filtering barrel is rotatably arranged in the purifying barrel, is sleeved outside the second filtering barrel and is also provided with a plurality of filtering holes. The first, second and third filter barrels are coaxially arranged, and the apertures of the filter holes are gradually reduced. In addition, a rotating power part is arranged on the purifying barrel, and a rotating shaft of the rotating power part is connected with the three filtering barrels. Tungsten liquid to be purified is discharged from the liquid outlet pipe after being filtered by the three filtering barrels in sequence, the rotating power part drives the filtering barrels to rotate, the filtering efficiency is improved through centrifugal force, and the device has the advantages of good purification effect, high efficiency and the like.

The utility model discloses a kind of impregnating compound preparation devices, it is related to impregnating compound preparation technical field.The utility model includes preparation jar, top cap and controller, top cap is fixedly installed on the upper surface of preparation jar by connecting flange, controller is fixedly installed on the front surface of preparation jar, top cap upper surface is installed with shaft coupling, driving motor is installed on the upper end of shaft coupling, shaft coupling output end is fixedly connected with connecting shaft, connecting shaft one end is through top cap upper surface and extends to preparation jar inside, a plurality of fixed sleeves are welded on the circumferential surface of connecting shaft, a plurality of stirring vanes are welded on the circumferential surface of fixed sleeve, a plurality of installation grooves are formed on the surface of stirring vane, connecting shaft is rotatably installed in installation groove, a plurality of drainage vanes are welded on the circumferential surface of connecting shaft.The utility model is through stirring vane, connecting shaft and drainage vane structure, increase the stirring structure of device, when material is mixed and stirred in preparation jar inside, improve its mixing effect, let the fluidity of mixture be stronger in preparation jar inside.

This invention discloses an environmentally friendly, high-efficiency permeability-reducing composite material for sand and its applications. The environmentally friendly, high-efficiency permeability-reducing composite material comprises xanthan gum, nano-silica, and pectinase, used to improve the strength and reduce the permeability of sand. The invention first mixes sand and soil in equal proportions to obtain clayey sand, then incorporates the environmentally friendly, high-efficiency permeability-reducing composite material to obtain remolded sand. Permeability tests, triaxial shear tests, and microscopic tests on the remolded sand show that after incorporating the environmentally friendly, high-efficiency permeability-reducing composite material, gel material is uniformly distributed on the surface and within the pores of the remolded sand, forming a non-penetrating pore structure within it, reducing the permeability of the remolded sand. Furthermore, long-term curing can improve the strength and ductility of the remolded sand. The environmentally friendly, high-efficiency permeability-reducing composite material provided by this invention is environmentally friendly, efficient, low-cost, and applicable to multiple scenarios, with broad application prospects.

The application discloses a kind of lentinus edodes factory directional single side cultivation method, belong to lentinus edodes cultivation technical field, the application adds hydrated silica in lentinus edodes liquid culture medium, effectively controls lentinus edodes ball size using its high friction value, make its flowability stronger, and sodium calcium phosphosilicate can effectively improve lentinus edodes mycelium amount.Red and blue double film bag is used simultaneously with the characteristics of light transmission and oxygen injection, causing the difference in maturity of the surface of the stick, so as to realize the mature face mushroom, non-mature face energy supply.Through the special mushroom cultivation layer frame setting stick independent liquid supplement component, it can not only increase the connection firmness of lentinus edodes stick and frame, but also realize liquid supplement on cultivation layer frame.The application overcomes the difference in evaporation speed of the mushroom surface caused by the stick layer block in the layer frame mode, significantly shortens the lentinus edodes cultivation period, realizes the stable synchronization of stick color change, directional mushroom, precise water replenishment, and has good economic benefits and application prospect.

The invention relates to a method for measuring the surface particle emissivity of a high-activity low-energy beta radioactive source, and the method comprises the steps: calculating the theoretical surface particle emissivity n0 of a to-be-measured radioactive source through obtaining the energy spectrum data of a to-be-measured nuclide, and adjusting an electron beam device to be matched with the to-be-measured radioactive source; irradiating the transducer device by using an electron beam device to obtain a loop current q0, and calculating the transduction efficiency eta 1 of the transducer device under the condition; irradiating the transducer device by using the radioactive source to be measured to obtain a loop current q, and calculating to obtain the surface particle emissivity n'of the radioactive source to be measured under the condition; manufacturing a low-activity radioactive source, and measuring to obtain a correction factor a; the real transduction efficiency eta of the transducer is calculated, and the real surface particle emissivity n of the radioactive source to be measured is obtained through calculation. The method solves the problem that the emissivity of the high-activity beta radioactive source is difficult to measure, is simple to operate, does not need a complex matched NIM plug-in, is flexible in use scene, and can be applied to industrial fields needing beta radioactive sources, such as nuclear measurement and mass spectrum.

The invention relates to the field of petroleum and natural gas engineering, in particular to a quantitative evaluation method for microscopic heterogeneity of a flow channel of a tight sandstone reservoir in the exploration and development process. The invention discloses a quantitative evaluation method for microscopic heterogeneity of a flow channel of a tight sandstone reservoir. The method comprises the following steps: acquiring throat-pore microstructure parameters of a target reservoir rock sample; according to the relationship between the average throat width and the throat width connected by pores with different coordination numbers, an overall average throat diameter calculation formula is established; establishing a linear fitting equation of the coordination number and the average throat width, substituting the linear fitting equation into an overall average throat diameter calculation formula, and solving to obtain a fitting coefficient of the linear fitting equation; and calculating a microscopic heterogeneous coefficient through the fitting coefficient, and establishing a heterogeneity grade division standard according to the microscopic heterogeneous coefficient so as to classify heterogeneity grades. The method can be quickly applied to fine evaluation of on-site geologic features and optimization of dessert areas.

The utility model relates to a mixing device for glue production, and relates to the technical field of glue production, the mixing device comprises a rack, a placing table is fixedly mounted on the rack, a mixing tank is placed on the placing table, and a hot water tank and a circulating water pump are fixedly mounted on the rack; an inner container is fixedly connected to the inner wall of the mixing tank, a heating medium circulation space is formed between the interior of the inner container and the mixing tank, a water inlet pipeline and a water outlet pipeline are installed between the mixing tank and the hot water tank, and the water outlet end of the water inlet pipeline and the water inlet end of the water outlet pipeline communicate with the heating medium circulation space. The water inlet end of the water inlet pipeline and the water inlet end of the water outlet pipeline are communicated with the hot water tank; the circulating water pump is installed on the water outlet pipeline, and a heating module used for heating water is fixedly connected to the side wall of the hot water tank; a tank cover is detachably mounted at a tank opening of the mixing tank, an air exhaust fan is mounted on the tank cover, and the exhaust end of the air exhaust fan is communicated with a waste gas adsorption box. According to the glue mixing device, the mixing efficiency of the glue mixing device under the condition of relatively low environment temperature can be improved.

The present application relates to a kind of attractant, insecticidal gum bait and brush type insecticide, it is related to daily chemical technical field.The attractant includes at least one of caryophyllene, 1, 3-dihydroxypropanone or 2-amino-3-methylbutyric acid.The attractant is colorless and transparent and has good fluidity, has strong attractant to cockroach, using the attractant can be prepared to obtain the appearance transparent insecticidal gum bait, to solve the problem that conventional bait has color, leading to ground, wall is not beautiful.The insecticidal gum bait can be distributed in many places by the way of brushing, not only can be film-formed in ground, wall and other areas, make drug component adhere to the surface of application area, but also can be washed clean afterwards, improve the convenience of use, and compared with conventional bait box, gum bait, granular point distribution mode, has higher killing rate to cockroach or other pests, provide a kind of new insecticidal gum bait product.

The utility model relates to a body shape posture correcting technology field, and disclose a kind of posture correcting belt. Including flexible fabric layer and functional bag body, the functional bag body includes sewing bag and sewing bag, the flexible fabric layer fixedly connected to the surface left and right sides of sewing bag, the flexible fabric layer is through sewing bag, the inside fixed connection of flexible fabric layer has length adjusting belt, functional bag body is set after wearing in the middle position of scapula, so that the middle part of scapula will produce thrust, lie on bed at night, maximum pressure will be exerted on the intersection between scapula, simultaneously because it is internally provided with novel deformable pipe body, hollow structure, strong fluidity, safe and no peculiar smell, fit skeleton has powerful support, play the role of opening shoulder stretch back, can push the curled back straight and erect body, the length of elasticity can be adjusted, so it can guarantee that user is erect posture when sleeping time, insist on wearing and develop muscle memory, improve the situation that shoulder is buckled.

This invention discloses a cell composite, its preparation method, and an all-solid-state battery, belonging to the field of solid-state batteries. The preparation method includes: fabricating a positive and negative electrode sheet; preparing a non-Newtonian imprinted high-fluorine electrolyte substrate; preparing a solid electrolyte precursor suspension; spraying the solid electrolyte precursor suspension onto the surface of the non-Newtonian imprinted high-fluorine electrolyte substrate using a high-speed spraying device, and then heating at 60°C for 5-10 minutes to fully fluorinate the surface of the non-Newtonian imprinted high-fluorine electrolyte substrate surface with the solid electrolyte precursor suspension; imprinting the electrolyte layer coated on the non-Newtonian imprinted high-fluorine electrolyte substrate onto the positive electrode sheet using high-speed imprinting, then stacking the negative electrode sheet onto the surface of the imprinted electrolyte layer, and performing isostatic hot pressing to solidify the electrolyte layer and form the cell composite. Simultaneously, the cell composite prepared in the above steps improves the composite quality and efficiency between the electrolyte layer and the electrode sheet, and reduces interfacial impedance.