55results about How to "Wide range of environments" patented technology

The present invention relates to a flight body angular velocity measurement method based on a vortex light rotation Doppler effect. The flight body angular velocity measurement method based on vortex light rotation Doppler effect is characterized in that according to the vortex light rotation Doppler effect principle, a vortex light generation system and a measurement system are placed on a flight body rotating shaft; firstly, the vortex light of which the orbital angular momentum topological charge number is 1 is generated according to a vortex light wave function and by utilizing a phase modulation method; the vortex light generation system and the synchronous rotation of a vortex light beam and a flight body induce an rotation Doppler effect, so that the vortex light carries the flight body motion information; a vortex light path is adjusted, the transmission direction of the vortex light path is changed, and the waveform of the vortex light is received and measured after the modulation and filtering; the flight body motion information carried by the vortex light is extracted by the waveform analysis, and the flight body angular velocity information is obtained by utilizing a vortex light rotation Doppler effect conclusion. The flight body angular velocity measurement method based on the vortex light rotation Doppler effect of the present invention belongs to the new concept gyro field in an inertial technology, and can be applied to the high-precision flight body angular velocity measurement.

The invention discloses a wear-resistant regenerated PC / POK alloy material and its preparation method and application. The material comprises, by mass, 70 to 90% of regenerated polycarbonate (PC), 5 to 20% of polyketone (POK), 2 to 5% of a compatibilizer, 2 to 5% of a flame retardant, 0.3 to 2% of an antioxidant and 0.4 to 2% of a lubricant. The material has excellent impact toughness, good flame retardant properties, good electrical insulation properties and good wear resistance and is very suitable for preparation of a scratch-resistant exterior part. The preparation method utilizes the existing equipment, has simple processes, is suitable for industrial production and has a wide application prospect and environment friendliness.

The invention relates to a lemon planting method capable of rot prevention. The method comprises the steps that 30-40 years of culture soil is used for culture of lemon seedlings, and the culture of the lemon seedlings is conducted for 2-3 months; the cultured lemon seedlings are grafted to grapefruit seedlings, the grafting positions of the lemon seedlings and the grapefruit seedlings are wrapped through preservative films, culture is then conducted for 5-6 months, and the grafting is completed; a fertilizer is prepared, wherein the fertilizer is prepared from, by weight, 5 parts of eggs, 3.5 parts of brown sugar, 6 parts of salicylic acid, 6 parts of vitamin C and 2 parts of ferrous sulphate; mixed culture fermentation is conducted for 3-5 months; the grafted lemon seedlings are transplanted to fruit land for planting, and fattening is periodically conducted with the fertilizer. Compared with an existing method, the lemon seedlings are grafted to the grapefruit seedlings, the growth rate can be increased, the disease resistance is high, and the adaptable environment is wide; the leaves are small; the cost can be reduced due to the fertilizer, the fruit trees can be prevented from rot, and the operation is simple.

The invention discloses a sunscreen agent and a preparation process thereof, and belongs to the technical field of sunscreen skin care products. The sunscreen agent includes the components in parts byweight: 50-80 parts of deionized water, 3-10 parts of butanediol, 0.01-2 parts of xanthan gum, 1-5 parts of cetostearyl alcohol, 0.1-1 part of a skin conditioner, 0.01-1 part of EDTA disodium, 2-10 parts of butyloctyl salicylate, 0.5-5 parts of butyl methoxydibenzoyl methane, 7-12 parts of an emollient, 0.5-6 parts of glyceryl stearate, 0.5-6 parts of PEG-100 stearate, and 0.5-0.9 part of other components. The skin conditioner includes at least two kinds of allantoin, bisabolol and tocopheryl acetate; the emollient includes at least one of dodecanol, tridecanol, tetradecanol and pentadecanolbenzoate, dicaprylyl carbonate and octyl polydimethylsiloxane; other components include at least one of phenoxyethanol and an essence. The sunscreen agent has the advantage of stable sunscreen effect.

The application relates to the technical field of concrete, and specifically discloses a permeable concrete and a construction method thereof. The raw materials of the permeable concrete include, in parts by weight: 100-140 parts of water, 1300-1700 parts of gravel, 400-550 parts of cement and 150-300 parts of polyurea. The construction method includes the following steps: S1: stirring and mixing; S2: paving and vibrating; S3: demoulding; S4: curing; S5: coating sealant; S6: rolling coating; Polyurea; After S6 treatment, permeable concrete is obtained. Since the application uses polyurea in the pervious concrete, the compressive strength of the final pervious concrete is enhanced.

The invention discloses a high-low temperature environment air-cooled chiller unit and a control method thereof. By adopting the cooperation of a water system and a cooling system, the overall unit is reasonable in design, intelligent in control, wide in adaptation environment range and stable and reliable in operation, energy is saved, and important significance on improving the reliability, operated for a long term and under the limiting ambient temperature, of the air-cooled chiller unit used in a data center or a process requirement place where cooling is still needed under the high temperature environment and low temperature environment is achieved.

The invention relates to the technical field of metal material anticorrosion, and specifically discloses a basic iron oxide anticorrosion coating and a preparation method thereof. The anticorrosion coating comprises the following components (by weight): 1%-8% of lithium, 50%-69% of iron, and 30%-35% of oxygen. The coating is a single-layer or multi-layer composite structure, which can be used for high and low temperature corrosion protection of iron, iron-based alloys, and steel metal materials in water, atmosphere, soil, industrial media, and molten salt electrolytes, and has a wide range of environments and temperatures. range, especially resistant to Cl ‑ and F ‑ erosion, showing excellent anti-aging ability.

The invention relates to a multi-medium heat storage type warming water tank, which is a warming water tank for storing heat by using media such as electromagnetic oven heated water and the like, infusing hot water by using a manual or electric water feeding device and achieving heat storage and warming by using electricity, fuel combustion, hot water of a solar water heater and geothermal water. The warming water tank comprises a warming panel, a warming cavity, a plastic or metal plate, a cotton cloth layer and a water cavity, wherein the water cavity is provided with a water inlet pipe, a water outlet pipe, a stainless iron warming plate and a special bearing rack; a heat insulation layer and a plastic (or metal) protective shell are arranged outside the water cavity; the warming water tank for hands and feet of a single person is provided with a detachable heat insulation base; a water passage of the warming water tank for feet of multiple persons is provided with a three-way pipe and a heat resistant pipe connected with a water pipe of the water cavity; and the warming water tank mainly applied to warming of households and individuals and warming of feet of multiple persons also can supply hot water and shower, the heating transfusion device type warming water tank can be used for warming, and the manual or electric water feeding device is used for feeding water to the water tank. The warming water tank has the advantages of convenient operation, safety, environmental protection, energy conservation, sanitation, warming comfortableness, duration, high utilization of heat efficiency, wide available energy and durability.

The invention provides a test platform for straddle-type monorail maintenance equipment, comprising: a base, including a fixed support and a movable support arranged at intervals; a track beam, one end of the track beam is connected with the fixed support, and the other One end is slidingly connected with the movable support. The test platform for straddle monorail maintenance equipment provided by the present invention can provide a platform for assembly, testing and debugging of straddle monorail maintenance equipment and series products, so that the research work such as debugging and testing of straddle monorail maintenance equipment can be carried out It can be carried out at any time without interfering with the running time of the monorail train, providing sufficient reserved time for the operation and debugging of maintenance equipment, so that the operation and debugging can be completed at one time, and the work efficiency is improved.

The invention discloses a superhydrophobic sponge, its preparation method and application. The method is to put the prepared polydivinylbenzene into absolute ethanol, stir ultrasonically to prepare a polydivinylbenzene suspension, soak the cleaned and dried sponge for 3 min, and then put it in an oven to dry to obtain Superhydrophobic sponge. Compared with other processes, the preparation process of the present invention is simple and feasible, the environment is mild, and there is no requirement for complicated equipment and instruments. The contact angle can reach 154.4°, showing superhydrophobic and superlipophilic properties, which can effectively separate oil-water mixtures and also have good adsorption for volatile organic compounds. The superhydrophobic sponge prepared by the invention can be widely used in the fields of water pollution control, air pollution control and the like.