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1482results about How to "Reduce surface temperature" patented technology

Vegetation configuration method for preventing water and soil loss of mine dump of dry-hot valley

The invention discloses a vegetation configuration method for preventing the water and soil loss of a mine dump of a dry-hot valley. The method comprises the following steps: performing topsoil stripping on the dump; building an intercepting ditch, a drainage ditch and a water collecting tank on a platform of the dump; screening vegetation types, including shrubs, herbs and liana, suitable for growing in the mine dump of the dry-hot valley; performing targeted planting; after the vegetation of the mine dump is planted, enclosing the dump by using a wire mesh or a fence to prevent a slope surface from being destroyed by domestic animals. According to the principles of soil and water conservation and restoration ecology, vegetation species are reasonably combined by aiming at that the habitat of the mine dump of the dry-hot valley is severe and different slope positions have different soil erosion intensity and water conditions, so that a reliable technical path is provided for recovering the vegetation in a mining region as quickly as possible. Moreover, the vegetation configuration method for preventing the water and soil loss of the mine dump of the dry-hot valley has the characteristics of high operability and high comprehensive benefit.
Owner:INST OF MOUNTAIN HAZARDS & ENVIRONMENT CHINESE ACADEMY OF SCI

Wall-mounted air conditioner indoor machine and control method thereof

The invention provides a wall-mounted air conditioner indoor machine and a control method thereof. The control method of the wall-mounted air conditioner indoor machine includes the steps that an indoor human body is detected, and the position where a person is located is judged according to the scanning result of each wind feeding area; then according to the following/avoiding mode of the indoormachine set by a user, the wind outgoing direction is made to face/avoid the user; the user can select an indoor machine wind outgoing mode according to the actual condition, and for example, during refrigerating of an air conditioner, if the user feels that temperature is low, an avoiding mode can be selected so that direct blowing of the air conditioner can be prevented and air conditioner disease can be avoided; and for another example, during heating of the air conditioner, a following manner can be selected so that the user can be located in a warm air environment all the time. Accordingto the control method of the wall-mounted air conditioner indoor machine, the wind outgoing mode of the indoor machine is set according to the actual condition, intelligent wind outgoing of the air conditioner is achieved, meanwhile, the requirements of different users for wind outgoing of the air conditioner indoor machine are met, and the using experience of the user is improved.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD

Domestic air conditioner condensate water processing method and apparatus

The invention discloses a treatment method and a treatment device for condensed water of a household air conditioner. The method comprises the following steps: when the air conditioner is used for refrigeration, the condensed water generated from an indoor unit of the air conditioner is collected, then is drained to outdoors, and is sprayed on a condenser of an outdoor unit of the air conditioner, the high temperature of the condenser of the outdoor unit of the air conditioner is utilized to evaporate the discharged condensed water and discharge the condensed water into the air, and the temperature of the condenser of the outdoor unit of the air conditioner is reduced at the same time; when the air conditioner is used for heating, the condensed water generated from the outdoor unit of the air conditioner is collected, then is conveyed indoors, and is evaporated by utilizing the high temperature generated by the pipe wall of a radiating pipe during the heating to increase the humidity of indoor air, and the temperature of the radiating pipe of the indoor unit of the air conditioner is reduced at the same time. The device can automatically recover and utilize the condensed water, thereby solving the water drain problem of the condensed water; and the device can protect the environment indoors and outdoors, save energy and reduce consumption, improve the work efficiency of the air conditioner, and can maintain the moisture of the indoor air when the air conditioner is used for heating.
Owner:肖克贤

Carbon-based lightweight thermal protection material as well as preparation method and application thereof

The invention relates to a carbon-based lightweight thermal protection material as well as a preparation method and an application thereof. Carbon fiber rigid thermal insulation tiles are taken as a matrix of the thermal protection material, phenolic aerogel and boron-containing phenolic resin dense layer composition are subjected to gradient compositing in pores of the matrix, and a boron-containing phenolic resin dense layer is formed by the boron-containing phenolic resin dense layer composition on the high temperature surface of the rigid thermal insulation tile matrix. The invention provides the preparation method of the thermal protection material. The preparation method mainly comprises the following steps: preparing the carbon fiber rigid thermal insulation tile matrix, coating the carbon fiber rigid thermal insulation tile matrix with a precursor of the boron-containing phenolic resin dense layer composition, performing impregnation with a phenolic aerogel precursor, and then performing ageing, solvent replacement and supercritical drying to obtain the carbon-based lightweight thermal protection material. The prepared material has the characteristics of low density, low ablation rate, low thermal conductivity, high emissivity, good thermal insulation effect, excellent anti-airflow scouring performance and the like, and has important application value in thermal protection materials on outer surfaces of an aircraft.
Owner:AEROSPACE INST OF ADVANCED MATERIALS & PROCESSING TECH
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