10results about How to "Low heating temperature" patented technology

The invention discloses a traditional Chinese medicine extracting solution concentration device, and relates to the technical field of traditional Chinese medicine extracting solution concentration, the traditional Chinese medicine extracting solution concentration device comprises a bottom plate, the top of the bottom plate is provided with a concentration assembly used for concentrating a traditional Chinese medicine extracting solution, and the concentration assembly is internally provided with a stirring assembly used for stirring traditional Chinese medicine liquid; the concentration assembly comprises a first-effect concentration tank body and a second-effect concentration tank body, and a centrifugal pump body is arranged on the outer surface of the first-effect concentration tank body. According to the traditional Chinese medicine extracting solution concentration device, the design that the first-effect concentration tank body and the second-effect concentration tank body are connected in series is adopted, a two-way flexible conveying system is constructed in cooperation with the centrifugal pump body, the flow dividing valve and the spiral pump, two-tank cooperative continuous concentration can be achieved, and liquid medicine can flow back and be concentrated again according to the concentration requirement; therefore, the quality of the traditional Chinese medicine extracting solution in the concentration process is effectively ensured.

This invention discloses a purification method for producing molybdenum-99 in a reactor using uranyl nitrate solution as nuclear fuel, relating to the field of radioisotope production technology. The method involves first adding an oxidant to the crude molybdenum-99 product solution produced by the solution reactor, oxidizing the crude molybdenum-99 product to MoO4. 2‑ The solution is then evaporated to dryness; a digestion solution is added to the evaporation residue to dissolve the impurities; a dissolving solution is added to the digested solid to dissolve the solid, which is then evaporated to dryness; finally, an alkaline solution is added to the evaporated solid to dissolve it, yielding a molybdenum-99 product solution that meets pharmacopoeia requirements. Compared to traditional methods for purifying molybdenum, this invention does not introduce new impurities, has a low heating temperature, low energy loss, is easy to operate in a hot chamber, and has a high impurity removal rate.

The invention discloses high-magnetic-induction oriented silicon steel, which contains Fe and inevitable impurities, and also contains the following chemical elements in percentage by mass: Clt; 0.001% of the total weight; 2.5 to 4.0% of Si; mn: 0.05 to 0.20%; slt; 0.0005%, 0.0005%; the content of Als is 0.015 to 0.045 percent; nlt; 0.005% of the total amount of the raw materials; 0.03% to 0.3% of Cu; and at least one of the following chemical elements: 0 < = 0.03% of P, 0.01-0.40% of Cr, 0.03-0.30% of Sn, 0.001-0.1% of Sb, 0 < = 0.008% of Ti, and 0.001-0.1% of Nb. The invention also discloses a manufacturing method of the silicon steel, which comprises the following steps of: smelting and continuously casting and rolling a thin slab to obtain the thin slab; plate blank heating and hot rolling; normalizing and annealing; cold rolling; decarburization annealing; directly coating an annealing isolating agent without nitriding annealing, and carrying out high-temperature annealing; and insulating coating and flattening annealing.

The present disclosure relates to a charging control circuit, method, device and storage medium. The charging control method comprises: determining a first temperature corresponding to a terminal; determining a second temperature corresponding to each charge pump chip in a charge pump chip set included in the terminal, and determining a target charging current to be distributed to the charge pump chip based on the first temperature and the second temperature; and adjusting the resistance value of a resistor connected in series with each charge pump chip in the charge pump chip set to drive the current of the charge pump chip to reach the target charging current. The charging control method provided by the embodiments of the present disclosure can reduce the charging temperature and improve the charging efficiency.

The invention discloses a low-cost X80 pipeline steel thick plate and an efficient preparation method thereof, and belongs to the technical field of metallurgy. The efficient preparation method comprises the following steps: smelting and heat treatment: smelting according to designed chemical components, continuously casting to obtain a steel billet, and heating the steel billet; non-temperature-holding continuous rolling: carrying out multi-pass non-temperature-holding continuous rolling on the heated steel billet, and carrying out dephosphorization on the plate blank before middle part pass rolling to obtain a steel plate; the cooling speed is controlled, the rolled steel plate is subjected to ultra-fast cooling, and the low-cost X80 pipeline steel thick plate is obtained; the structure is ferrite (15 vol.%-25 vol.%) and bainite, and the average ferrite grain diameter is 4 [mu] m-7.5 [mu] m. Precious metals such as V, Ni and Mo in the steel are omitted, the cost of the X80 pipeline steel is remarkably reduced, the heating temperature of a casting blank is low, and the heating energy consumption is remarkably reduced; and temperature-waiting-free continuous rolling is achieved, and the rolling efficiency is remarkably improved.

The invention provides an electric heating layer with a PTC (Positive Temperature Coefficient) effect as well as a preparation method and application thereof, the electric heating layer comprises an electric heating material, and the electric heating material comprises a conductive component, a substance containing hydroxyl and / or carboxyl and a filler with the PTC effect; wherein the filler with the PTC effect is deposited on the surface of the conductive component, and is connected with the conductive component through a substance containing hydroxyl and / or carboxyl. The electric heating layer has the characteristics of self-limiting temperature and overheating protection, and can realize the reduction of heating power and the reduction of heating temperature to achieve the self-limiting temperature effect and prevent extra safety risks caused by over-high temperature through the step increase of resistance value under the condition of over-high heating temperature.

This application relates to a polymer scintillation fiber drawing furnace, a drawing method, and a polymer scintillation fiber, belonging to the field of fiber optic fabrication technology. The polymer scintillation fiber drawing furnace of this application includes a furnace body and an infrared heating unit. The furnace body has a heating cavity inside, with an inlet and an outlet at each end communicating with the heating cavity. This allows a polymer scintillation fiber preform to be inserted through the inlet and the polymer scintillation fiber to be drawn out through the outlet. The infrared heating unit is located around the periphery of the heating cavity, enabling heating of a predetermined range of the polymer scintillation fiber preform from different peripheral positions. This reduces the decomposition of fluorescent dyes in the scintillation fiber, ensuring the sensitivity of the scintillation fiber in detecting high-energy radiation. This application also discloses a polymer scintillation fiber drawing method and a polymer scintillation fiber.

The invention provides a two-way fluid management waste-liquid-bag-free automatic peritoneal dialysis machine, and relates to the technical field of dialysis equipment, a support is sequentially provided with a stock solution bag, a heating bag and a waste liquid bag from top to bottom; a control part is further arranged on the support, the control part is provided with a first flow channel and a second flow channel which are spaced from each other inside and outside, and when waste liquid in the body of a patient is discharged along the first flow channel, dialysate in one stock solution bag is discharged to the heating bag along the second flow channel to be heated; the waste liquid in the first flow channel and the dialysate in the second flow channel can exchange heat, so that the waste heat of the waste liquid is utilized to preheat the dialysate which does not enter the heating bag, the heating temperature which needs to be set by the heating bag is reduced, local overheating of the heating bag is avoided to a certain extent, and the stability of medicine components in the dialysate is guaranteed.

The present application relates to the technical field of electronic cigarettes, and provides a cartridge utilizing electromagnetic induction heating, a heating method thereof and a smoking set. The cartridge comprises a smoking section, a temperature reducing section, a filtering section and a control circuit board. The smoking section comprises an upper part, a lower part, plant smoking particles and an electromagnetic induction heater. The upper part and the lower part are both provided with temperature sensors and metal heating sheets. The electromagnetic induction heater is divided into at least two groups of electromagnetic induction coils. The temperature reducing section is provided with a plurality of paramagnetic points. The present application can more clearly and accurately master the heating temperature of the plant smoking particles at different stages, and the plant smoking particles are heated in multiple temperature zones to adjust the atomization of the plant smoking particles at multiple temperature zones, so as to finally control the plant smoking particles in the best atomization stage. The present application has high precision, high energy efficiency and fast heating, can automatically match the electromagnetic induction heater with plant smoking particles of different tastes in the smoking section, can reach the best working temperature in a short time, has good temperature control effect, and can quickly smoke and has high atomization quality.

This invention discloses a single-component photo- and thermally curable adhesive and its preparation method. The adhesive comprises the following components in parts by weight: 20–80 parts of a polymerizable acrylic compound; 1–10 parts of a macromolecular photoinitiator; 0.1–5 parts of a thermal initiator; 0.1–3 parts of a peroxide; 5–61 parts of filler; 0–5 parts of a light stabilizer; and 0.1–5 parts of additives. The macromolecular photoinitiator generates free radicals under ultraviolet light irradiation, achieving rapid curing of the irradiated area. The thermal initiator releases acid and promotes the decomposition of the peroxide under heating conditions, enabling the system to generate free radicals at a low temperature of 50–90 °C, thereby completing the curing of the light-shielded area. By introducing fillers and stabilizers into the system, the curing shrinkage rate can be reduced, and dimensional stability and long-term storage stability can be improved.