82results about How to "Control temperature and humidity" patented technology

The invention relates to a bionic examination robot for physical properties of food and an examination method thereof. The bionic examination robot comprises a control device and a bionic oral cavity, wherein the bionic oral cavity is composed of a palate and a chin, upper teeth of the palate is matched with lower teeth of the chin; the top part of the palate is fixed to the upper part of a frame, the bottom part of the chin is fixed to a movable platform, the movably platform is connected with a pedestal of the frame via a plurality of ball pairs-movable pairs-ball pair mechanisms; a plurality of sensors are arranged at different positions inside the oral cavity; and the control device controls the movement of the moveable pairs, and receives data from the sensors and stores and processes the data. The bionic examination robot can evaluate the physical properties of food scientifically, accurately and objectively, and the examination method can take the place of traditional food evaluation methods in which identification of a texture analyzer and sensuous identification are combined, thereby not only reducing examination cost and enhancing examination efficiency, but also enhancing examination accuracy, thus a scientific theoretical basis is provided for the processing and the development of food.

The invention relates to a black tea preparing method and particularly relates to a method for preparing congou black tea from anji white tea. The method sequentially comprises the following steps: picking based on a one-bud and one-leaf standard; withering; rolling; fermenting: arranging the rolled leaves to be fermented into a bamboo basket, controlling the leaf stacking thickness to be 8-10cm, uniformly spreading, and layering the leaves on a fermentation rack; fermenting by using a tea fermenting machine, controlling the air temperature at 35-40 DEG C, keeping the leaf temperature 30-32 DEG C, the relative humidity over 95% and sufficient oxygen supply, recording the fermentation time beginning from the rolling time, and controlling the fermentation time to be 5.5-6.0h. At the later period of fermentation, the temperature of a fermentation chamber is lowered and is controlled at 30-35 DEG C, so that the excessive fermentation is avoided; the moderate fermentation is carried out, and the fermented leaves are removed from the fermentation chamber, subjected to heat radiation, cooled and dried. By using the method, the anji white tea can be prepared into the congou black tea which is dark in luster, compact in strip, sweet and durable in fragrance, red bright in liquor color as well as pure, mild and fresh in taste.

The invention discloses a constant temperature and humidity storage box of gingers, which belongs to article storage boxes. The structure of the constant temperature and humidity storage box of the gingers comprises a box body, a box door, a refrigerating unit, a control panel, a microcomputer control circuit, an ultraviolet sterilizing lamp, an electric heating pipe and an evaporator, wherein the back part and bottom of the box body are respectively provided with a back part partition board and a bottom partition board; an air inlet fan and an air exhaust fan are respectively arranged at the top of the back part partition board; a ventilating hole is formed on the bottom partition board; a water tank is formed at the lower part of the evaporator; a water tank outer cover is arranged on the outer wall of the box body corresponding to the water tank; a ventilating cover is arranged in the middle of the top of the box body; the ultraviolet sterilizing lamp is arranged on the box top in the interior of the box body; a temperature and humidity sensor is arranged on the side wall of the middle part of the box body; and the microcomputer control circuit is electrically connected with the control panel, the temperature and humidity sensor, the refrigerating unit, the air inlet fan, the electric heating pipe, the air exhaust fan, the ultraviolet sterilizing lamp and the evaporator respectively. The constant temperature and humidity storage box of the gingers has the characteristics of good ventilating and heat radiation condition and no generation of stuffiness and decayed gingers; and the temperature and humidity as well as plant diseases and insect pests can be effectively controlled.

The invention provides a method for cultivating table grapes in high-cold and high-latitude area in winter. The method comprises the following steps of building a garden, using a high-cold and high-latitude efficient energy-saving solar greenhouse to build the garden, planting and managing grapes, leaving grapes on vines to keep fresh, watering once when the grapes are grown, laying mulch films every other days, controlling the temperature in the greenhouse by controlling time for closing an air inlet, releasing a curtain and rolling up the curtain. When the external temperature decreases below 5 DEG C, thermal insulation is carried out to control the indoor temperature at 10 DEG C. When the external temperature decreases below -10 DEG C, the indoor temperature is controlled at 8 DEG C in day time and at 2 DEG C at night until the grapes are harvested to be sold. The grapes cultivated in the method can be harvested to be directly supplied to fruit markets, the step of storing and refreshing the grapes through chemical agents is removed, the problems of dry peduncles, grape falling, browning, rotting and the like are solved, refreshment of the grapes are achieved to the maximum degree, and meanwhile chemical agent residue is reduced. Furthermore, when the grapes are on grape vines, the sugar content of the grapes gradually increases, and the fruit quality is improved.

The invention discloses a processing technology of a low-sodium crisp and tender salted waterfowl-meat product. The processing technology comprises the following steps in sequence of: dry-salting, injecting, tumbling, drying by jetting hot air, cooling, packaging, and sterilizing at high temperature, thus obtaining the low-sodium crisp and tender salted waterfowl-meat product. By adopting the new technology, the processed low-sodium crisp and tender salted waterfowl-meat product has the flavor and salinity close to those of traditional salted waterfowl-meat product; and the low-sodium crisp and tender salted waterfowl-meat product contains sodium which is 41.36 to 53.02% that in traditional salted waterfowl-meat product. According to the new process, the way in combination of dry-salting and tumbling is carried out, the flavor of the spices is penetrated into the waterfowl meat, so that the conventional flavor of the waterfowl-meat product can be ensured, and the risk of the harmful substance residual in the product can be reduced; according to the new process, a hot-air jetting drying technology is adopted to dry the waterfowl-meat product in three stages, so that the time can be saved, the temperature and humidity of the skin of the waterfowl meat can be adjusted and controlled by controlling the speed and the temperature of the hot air and injecting a water-retaining agent and adding a color fixative, and the texture, color and gloss of the waterfowl meat and the skin can be adjusted and controlled within certain time, and therefore the waterfowl-meat product is crisp and tender after being sterilized at high temperature.

The invention discloses a method for green planting of greenhouse tomatoes. The method comprises the steps of seed selection, greenhouse construction, seedling cultivation, seedling stage gradient temperature control, greenhouse temperature variation management, biological nitrogen fixation bacterial manure attenuation for root dipping of seedlings, planting, greenhouse field management, pest control, harvesting and the like. The tomatoes produced through the method are good in flavor and taste. A physical method is mainly adopted in the method for prevention and control of the pest and disease damage, so that the method has the advantages that remaining medicine is avoided, fruits are even, the yield is high, and the growth period is short.

The invention discloses an intelligent temperature control piglet incubator which comprises an incubator body, incubator covers, a sealing strip, observation windows, an air pressure seat, an air pressure rod, an air pressure switch, a base and trundles. The two incubator covers are installed at the upper end of the incubator body, the sealing strip is arranged at the joint of the two incubator covers, the observation windows are installed on the incubator covers, the air pressure seat is installed at the lower end of the incubator body and provided with the air pressure switch, the air pressure rod is installed at the lower end of the air pressure seat, the base is installed at the lower end of the air pressure rod, and the trundles are installed on the base. The intelligent temperature control piglet incubator is simple in structure, convenient to manufacture, good in ventilation effect and capable of effectively controlling the temperature and the humidity in the incubator body, the cleanliness of air in the incubator body is improved through an air filter, the body temperature of piglets is guaranteed through the arrangement of a heat preservation layer, water in the incubator body can be absorbed through a water absorption layer, a good growth environment is created for growth of the piglets, and the survival rate of the piglets is guaranteed.

The invention relates to a micro smart home system, and belongs to the technical field of smart home. The intelligent home host is connected with the intelligent panel, the intelligent monitor, the intelligent video, the intelligent security, the intelligent monitor, the scene control, the third-party household appliance control, the Zigbee wireless device and the mobile phone APP; The mobile phone APP is connected with the cloud server; The mobile phone APP is in management connection with the user program; The user program management is connected with the network database; And the network database is connected with the smart home host. A user can customize various scenes conforming to own habits for himself / herself through a mobile phone app by himself / herself, and can configure the useraccording to different devices, control habits and control sequences of the user, so that the actual requirements of various users are met.

The invention discloses a multifunctional shoe cabinet. The multifunctional shoe cabinet comprises a cabinet body, a temperature control mechanism, a shoe placement frame, a moving seat tank and a controller, wherein the cabinet body is divided into a working chamber and a shoe storage chamber, drawers are arranged in the shoe storage chamber, a vertical plate is arranged in the shoe storage chamber, a bearing is embedded into the vertical plate, a screw rod is inserted into the bearing, one end of the screw rod is in threaded connection with the drawers, and the other end of the screw rod issleeved with a first bevel gear; a cabinet opening mechanism is formed by a rotating motor, a coupling, a rotating shaft and a second bevel gear; the temperature control mechanism is formed by a bracket, a PTC heater, flow equalizing fan and a temperature and humidity sensor; and ultraviolet sterilizing lamps are arranged on a rear panel of the cabinet body, and the shoe placement frame is fixed on the right side wall of the cabinet body. The multifunctional shoe cabinet has the beneficial effects of simple structure and strong practicability.

The invention discloses an intelligent control system for environment detection of a clean room. The system comprises a local monitoring system including a monitoring module, a control unit and an adjustment module; and the monitoring module is electrically connected with the control unit. The monitoring module is used for monitoring various data indicators in a clean room and transmitting the information to the control unit; and the control unit analyzes the information. The adjustment module is electrically connected with the control unit. According to the invention, the monitoring data canbe displayed visually; the work staff can carry out warning conveniently; and since the system has a remote checking function, the monitoring system can adjust the running states of various devices timely based on the monitored data and the work staff can be warned timey in a data abnormity state.

The invention discloses an intelligent domestic shoe cabinet which comprises a cabinet body, a temperature control mechanism, a cabinet opening mechanism, a shoe holder, a movable seat box and a controller. The cabinet body is divided into a work room and a shoe storage room, a drawer is arranged in the shoe storage room, a vertical plate is arranged in the shoe storage room, a bearing is embeddedinto the vertical plate, a lead screw is inserted into the bearing, one end of a lead screw is connected with the drawer in a threaded manner, a first bevel gear sleeves the other end of the lead screw, the cabinet opening mechanism comprises a rotating motor, a coupler, a rotating shaft and a second bevel gear, the temperature control mechanism comprises a support, a PTC (positive temperature coefficient) heater, a flow equalization fan and a temperature and humidity sensor, an ultraviolet germicidal lamp is arranged on a rear panel of the cabinet body, and the shoe holder is fixed onto theright side wall of the cabinet body. The intelligent domestic shoe cabinet has the advantages of simple structure and strong practicability.

The invention discloses a temperature and humidity adjusting system and active cooing beam joint construction structure which comprises an active cooling beam mounting device, a temperature and humidity independent adjustment pipeline and a temperature and humidity independent adjustment device. The active cooling beam mounting device comprises a keel mounting structure and a top plate mounting structure. The temperature and humidity independent adjustment pipeline comprises an air pipeline and an air conditioner water pipeline. The temperature and humidity independent adjustment air conditioner device comprises a PLC, the input end of the PLC is connected with a control panel, a temperature sensor and a dew point detection sensor, and the output end of the PLC is connected with a constant air volume valve and a water volume adjusting valve. The invention further discloses a temperature and humidity adjusting system and active cooing beam joint construction method. An active cooling beam is installed through the keel mounting structure and the top plate mounting structure, the air conditioner water pipeline and the air pipeline are distributed through combination with the characteristics of the active cooling beam, a comfort, safe and sanitary indoor environment is provided for buildings in a hidden mode, and broad application prospects are achieved.

The invention discloses a bud seedling greening machine which comprises two coaxially arranged rotary discs, wherein the two rotary discs are in transmission connection through a rotary shaft; a plurality of brackets for placing nursery sites are rotatably connected between the two rotary discs. By adopting the technical scheme, the bud seedling greening machine is simple in structure, and the labor intensity can be effectively reduced and the production efficiency can be effectively improved; not only can more nursery sites be placed, but also the occupied space is small; as the rotary discs can rotate, the nursery sites can be picked and placed by moving the brackets from a relatively high place to a low place, so that the nursery sites can be conveniently picked and placed; water and light are provided through an atomizing nozzle and an illumination light, and the required temperature and humidity required by growth of the bud seedlings can be precisely controlled through a temperature sensor and a humidity sensor.

The invention discloses a sugarcane seedling culture method capable of advancing sowing time. The method comprises the following steps: (1) substrate sterilization; (2) sowing; (3) two-film warming for germination accelerating, and warming and moisturizing at night; (4) management after the three-leaf stage: light filling regulation, ventilation of a seedling culture greenhouse, fertilizer and water management, pest control and removal of sick seedlings and quite weak seedlings; (5) transplanting in a field. With the adoption of the method, the technical problems of late sowing and the like in the prior art are solved, the sowing date can be 30-45 days earlier, the seedling survival rate is high, sugarcane seedlings are robust, the culture cost is lower, and the sugarcane crossbreeding efficiency is improved.

The invention relates to the technical field of agricultural cultivation, in particular to an ampelopsin grossedentata light matrix seedling tray cuttage seedling method.The method includes the steps that grass carbon, perlite and vermiculite are evenly mixed and placed into a seedling tray; one-year strong fresh tender branches which are free of dehydration, diseases and pests and have leaves are selected, and stems are pruned; the pruned ampelopsin grossedentata stems are placed into a rooting powder aqueous solution to be soaked; the processed ampelopsin grossedentata branches are inserted into the light matrix seedling tray, kept vertically upwards and placed in a greenhouse after cuttage to be maintained; after the ampelopsin grossedentata branches sprout and 90% of the stems root, water-soluble fertilizer is applied; after roots of ampelopsin grossedentata plants overgrow and the length of veins is larger than or equal to 20 cm, ampelopsin grossedentata is harvested; ampelopsin grossedentata light matrix seedling tray cuttage seedling is finished.The seedling tray cuttage survival rate can reach 90% or above, scions are saved compared with land seedling cuttage, ampelopsin grossedentata roots in one month, seedlings are obtained and harvested in three months, the survival rate of transplanting in fields is up to 95%, and the advantages of land cuttage are incomparable to those of the method.

The invention relates to the technical field of ecological agriculture, in particular to an intelligent ecological greenhouse. The intelligent ecological greenhouse comprises a greenhouse body which is mainly composed of a supporting framework, a film covers the supporting framework, the top of the supporting framework is of a laminated structure, and a sunshade layer, a heat preservation quilt layer, a vacuum layer, an inner overshadow layer and a glass layer are sequentially arranged on the top of the supporting framework from top to bottom. Recirculation blowers are arranged on the two sides of the greenhouse body, temperature control blowers are arranged in the middle of the greenhouse body, two underground water wells are formed in the lower portion of the greenhouse body, the two underground water wells can conduct circulation through a underground water channel, multiple rows of houses are arranged on the two sides of the greenhouse body, fish ponds are arranged nearby the houses, and an overground water tank is arranged in the greenhouse body. The lower temperature of the underground water is fully utilized, the temperature, the humidity and the ventilation degree in the greenhouse body are intelligently controlled, and existing resources are fully utilized.

The invention relates to an aging method of a first baking tobacco. The aging method comprises the following steps: a, building an aging room; b, tobacco leaf conditioning; c, initial separation of tobacco leaf; d, tobacco leaf stacking; e, tobacco leaf aging; f, re-grading. The aging method involves in the natural aging method of the first baking tobacco at different elevations and different parts; through the short-term natural aging, operations of changing slight green tobacco to yellow tobacco and changing light yellow tobacco to orange tobacco is effectively promoted, the ratio of green miscellaneous tobacco is reduced, and ratio of yellow tobacco is improved; besides, the appearance quality and internal quality of the tobacco leaf are improved, the usability is improved, and the earnings of the tobacco grower is increased.

The invention relates to a method and device for controlling air quality in a henhouse of a hen farm. The method and device are characterized in that the method includes the following steps: (1) according to the hencoop arrangement characteristics, a bad air pipe is longitudinally installed on the surface of excrement of hens and communicated to the exterior of the henhouse to be connected with a draught fan, the draught fan is then connected with a washing tower, and a gas pollutant generated by the excrement is exhausted to be conveyed to the washing tower through the bad air pipe for centralized processing; (2) a fresh air pipe is longitudinally installed at the appropriate position equal to hencoops in height; in the transition season and in summer, the fresh air pipe is connected with an air blower outside the henhouse, and fresh air outside the hencoops can be directly conveyed to the interior of the henhouse through the fresh air pipe; in winter, the fresh air pipe is connected with a hot air furnace through an air heater outside the henhouse, and the fresh air outside the henhouse is heated by the hot air furnace to be conveyed to the interior of the henhouse through the fresh air pipe; (3) a pulverization system is installed at the position, close to the top end of the henhouse, right above the hencoops. The device comprises the bad air pipe, the draught fan, the washing tower, the fresh air pipe, the air blower, the air heater, the hot air furnace and the pulverization system.

The invention provides a cloud monitoring outdoor power cabinet based on the Internet of Things, which includes a cabinet body; a cabinet door is installed on the left side wall of the cabinet body; A temperature sensor is fixed on the top, and a humidity sensor is fixed on the inner wall on the right side; a fan is fixed on the upper inner wall of the cabinet; a camera is installed on the left side of the fan, and a lighting lamp is installed on the right side; the lighting lamp is electrically connected to the controller The controller is installed inside the component box; the left end of the component box is equipped with a signal transceiver; the right side of the signal transceiver is provided with a battery; the battery is electrically connected to the photovoltaic panel; the left and right sides of the cabinet There are blinds in the middle of the upper end of the wall; reflective stickers are arranged on both sides of the blinds; the present invention uses a controller for intelligent control, which has good monitoring effect and is more convenient to use.

The invention belongs to the technical field of property management. The invention discloses a BIM-based intelligent building system and a management method thereof. The BIM-based intelligent buildingsystem comprises a building image acquisition module, a building air quality monitoring module, a building smoke monitoring module, a building temperature and humidity monitoring module, a building power consumption monitoring module, a display module, a central control module, a wireless signal transmission module, a cloud server, a data storage module, a data analysis module, a building deviceexecution module and a resident reminding module. By arranging the corresponding function modules, related data of the whole building can be detected, related devices in the building are controlled, the safety of the whole building is effectively guaranteed, and timeliness of problem solving is achieved; and meanwhile, the temperature and humidity of the whole building can be automatically controlled, the burden of workers is reduced, and the working efficiency is improved.

The invention provides an indoor expanding propagation method for oriusstrigicollis, and relates to the technical field of insect breeding. The method provided by the invention comprises egg collection, egg hatching and nymph breeding, adult collection and egg refrigeration. According to the method provided by the invention, a host plant for breeding thrips and an oviposition carrier of the oriusstrigicollis are set as kidney bean pods, so that breeding steps are simplified, and the development of large-scale breeding of the oriusstrigicollis is facilitated. A bedding material arranged in an oviposition device can reduce the humidity by about 10% to improve the survival rate of adults and the number of laid eggs; covers with different hollow diameters are matched during hatching, so that the hatching rate can be increased by 20%; the sucked adults mate quickly in a petri dish in advance before being placed in the oviposition device, so that the number of the laid eggs on a single kidney bean is increased by 105%. By using the method provided by the invention, the obtained eggs of the oriusstrigicollis are refrigerated in the environment of 8 DEG C for 8 days, and the egg hatching rate can be enabled to be 70% or above, and the adult collection rate is about 30%.

The invention discloses a novel temperature-humidity control system applied to a freezer. The novel temperature-humidity control system comprises a refrigerating system, a dehumidification and regeneration system and an air supply system; the refrigerating system comprises a compressor, a condenser, a throttle mechanism and a surface air cooler; the dehumidification and regeneration system mainly comprises a moisture absorption regenerator therein; the moisture absorption regenerator is divided into a moisture absorption region and a regeneration region; the air supply system comprises a fan and an air supply and suction mechanism; the compressor, the condenser, the throttle mechanism and the surface air cooler are orderly connected in series; the condenser is arranged within the regeneration region of the moisture absorption regenerator. According to the novel temperature-humidity control system, the refrigerating system is used for cooling and auxiliary dehumidification, the moisture absorption regenerator is used for dehumidification or humidification, and the air supply system is used for enabling air in the freezer to sweep over the moisture absorption regenerator first and then sweep over the surface air cooler of the refrigerating system; the condensation heat of the refrigerating system maintains continuous regeneration of an adsorbent in the regeneration region; and a temperature and a humidity in the freezer are controlled through coordinative work.

The invention provides a thermal circulating device for central tobacco leaf baking, comprising fire coal stove, heat exchanger on upper side of said stove and baking room. The hot gas outlet in lower part of heat exchanger is connected with the hot gas channel on the bottom of baking room. It is characterized in that said hot gas channel is designed as the draught surface adapt to bottom shape of baking room, the upper part is equipped with air inlet connected to baking room, there are two air inlets on upper side of heat exchanger, one is located in channel where the heat exchanger is connected with baking room, the other is fixed on one side of heat exchanger, and the two inlets are covered with board. The device can realize forced ventilation and hot gas circulation, control temperature and humidity in baking room effectively and times, guarantee correct operation of tobacco baking, and increase baking quality. The invention is characterized by good mechanical property, high stability, reliable controllability and suitability for providing heat for large scale baking room.

The invention discloses an intelligent greenhouse and an irrigation method of an irrigation system of the intelligent greenhouse. The intelligent greenhouse comprises a greenhouse main body and the intelligent irrigation system, wherein the greenhouse comprises a greenhouse framework, an external sunshade device and an internal sunshade device, the intelligent irrigation system comprises an information acquisition module, a central control module, a water and fertilizer integrated micro-irrigation fertilization module and a feedback module, the intelligent irrigation system is used in cooperation with a greenhouse, and an information collection module is used for collecting soil moisture content and fertility; the central control module comprises a greenhouse controller and a block controlcabinet, a database is arranged in the greenhouse controller and used for processing information, generating illumination time and irrigation and fertilization commands and sending the irrigation andfertilization commands to the block control cabinet, and the block control cabinet is used for converting the commands and then sending the commands to the external sunshade device and a micro-irrigation and fertilization device to work; the feedback module is used for detecting illumination and irrigation and fertilization conditions in real time and automatically switching on and off the external sunshade device and the micro-irrigation and fertilization device; and the intelligent irrigation system provides an ideal growth environment for plants, and has the advantages of improving greenhouse climate and increasing yield.

The invention discloses application of L. chinensis sonner in white spirit aging and a processing technology of liquor-used L. chinensis sonner pieces, and belongs to the field of white spirit brewing. The invention provides the application of L. chinensis sonner in white spirit aging, the specific manufacturing method of the liquor-used L. chinensis sonner comprises the following steps: (1) slicing: peeling and slicing the L. chinensis sonner into pieces of 60-100 mm in length, 20-30 mm in width and 2-5 mm in thickness; (2) selecting and washing: selecting the dark rufous wood pieces and washing out impurities by respectively using water and alcohol with 50% volume fraction, and then drying in the air; (3) stoving: stoving in an oven at a temperature of 50-110 DEG C for 48-72 hours to remove moisture and odor; (4) infrared roasting: processing in an infrared roasting box at 150-240 DEG C for 5-40 mins, and then sealing and storing the obtained processed L. chinensis sonner pieces for standby. After the L. chinensis sonner is used for white spirit aging, the white spirit has peculiar fragrance and the cost is greatly reduced.

The invention discloses a germ epidemic prevention method for snake breeding. The method includes the steps that firstly, a three-dimensional snake house is built; secondly, mixed drugs are used; thirdly, medicine is injected into live baits for epidemic prevention; fourthly, the snake house is cleaned and sterilized periodically; fifthly, ventilation of the snake house is well done; sixthly, body conditions and excrement conditions of snakes are inspected periodically, and once sick snakes are found, the snakes are isolated immediately. By means of the method, the possibility that the snakes get ill can be well reduced, the temperature and humidity of the snake house are adjusted according to habits of the snakes in different seasons, and growth of the snakes can be promoted better.

The invention relates to the technical field of microbial fermentation bed breeding, in particular to a microbial fermentation bed pig breeding method. The bottom of the fermentation bed body directly adopts a dug soil pit bottom as the bottom, and a hardened waterproof interlayer is arranged on the periphery of the bed body; the depth of a bed body of the fermentation bed is 500-800mm, the interior of the bed body is divided into three layers, the thickness of the bottom layer is 100-170mm, corn straws, sorghum straws and the like are rubbed and then directly laid, and no microbial inoculum is added; the thickness of the middle layer is 180-230 mm, and after rice husk and corn straw powder are laid, a lactic acid bacteria agent is sprayed according to the mass ratio of 9: 1; the thickness of the surface layer is 120-170mm, after rice husks are laid, an EM microbial agent is sprayed on the surfaces of the rice husks according to the mass ratio of 7: 1-7: 3, and then clear water is sprayed to enable the temperature of the surface layer to be kept at 38-42 DEG C. The purpose is to improve feed utilization rate and reduce pollution.