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204 results about "Lack water" patented technology

Simply put, water scarcity is either the lack of enough water (quantity) or lack of access to safe water (quality). It's hard for most of us to imagine that clean, safe water is not something that can be taken for granted.

Carbon-based fertilizer potentiating agent and application thereof

The invention relates to a carbon-based fertilizer potentiating agent and application of the carbon-based fertilizer potentiating agent. The carbon-based fertilizer potentiating agent is characterized by comprising the raw materials in proportion by weight: 50-70 carbon powder, 5-15 humic acid, 2-5 inhibitors mixing urease inhibitor with nitrification inhibitor, 10-20 microelement fertilizer, and 5-10 acid bentonite or clay; biomass granule carbon is selected as a matrix carrier, the production process is simple, raw materials are easily obtained, and the cost is low. The biomass carbon has strong adsorbability, water retention property and light absorption warming property, and can be used as good ammonia stabilizer and soil conditioner except for the carrier. After being applied into soil, the potentiating agent can lead the fertilizer to slowly release, and can relieve the influence of drought and lacked water and low temperature on crop growth. The potentiating agent not only can improve the fertilizer utilization rate, but also is environment-friendly and safe, can effectively improve the utilization rate of nitrogenous fertilizer and phosphate fertilizer, reduce fertilizer loss, and simultaneously can lighten the water body pollution and greenhouse effect by nitrogenous fertilizer, reduce the content of nitrate nitrogen in agricultural products, and ensure the safety production of food.
Owner:SHENYANG AGRI UNIV

Dry-method construction method for drift-sand roadbed

The invention discloses a dry construction method for a wind-blown sand subgrade. According to physicochemical properties and mechanics characteristics of wind-blown sand, the method uses a vibrating compaction machine to perform vibration and rolling compaction on the wind-blown sand in a natural state paved on the subgrade under proper pressure by selecting proper vibration frequency and amplitude, so that the strength of the subgrade after the vibrating compaction meets the design requirement; and the method adopts a layer of the wind-blown sand and a layer of gravelly soil, and totally encloses the subgrade by clay or grit finally so as to avoid the wind erosion and ensure the overall stability of the subgrade. Compared with the prior art, the method avoids the use of precious water resources for construction in desert areas lacking water severely, not only reduces the construction cost of projects, but also reduces the influence on the local environment to the minimum level, and is an ideal construction method with economic and social benefits.
Owner:CHINA RAILWAY 11TH BUREAU GRP +1

Water deficiency detection method, water deficiency detection device and steam cooking utensil

The invention provides a water deficiency detection method, a water deficiency detection device and a steam cooking utensil. The water deficiency detection method includes: acquiring an interval of disconnection time and connection time of a heating tube mounted in a steam generator; judging whether the interval is larger than a preset threshold or not; if yes, determining that the steam generator is in the state of water deficiency. According to the technical scheme, when the interval of the disconnection time and connection time of the heating tube in the steam generator is larger than the preset threshold, the steam generator being in the state of water deficiency is accurately determined, accuracy in water deficiency detection can be improved, and power resources wasted by cyclic heating of the steam cooking utensil can be avoided.
Owner:GUANGDONG MIDEA KITCHEN APPLIANCES MFG CO LTD +1

Three-dimensional paddy field

The invention discloses a three-dimensional paddy field. Two grid-shaped plates are used for clamping middle filter materials such as broken stones and the like, so that a vertical wall body is formed; the top of the vertical wall body is provided with a water tank; a dripping pipe which is parallel to the vertical wall body is connected to the water tank; the bottom of the vertical wall body is provided with a water pool; water in the top water tank drips into the filter materials such as broken stones and the like through the dripping pipe, permeates, flows and returns into the bottom water pool; fishes can be cultivated in the bottom water pool; a water pump water replenishing system is arranged between the top water tank and the bottom water pool; when the top water tank lacks water, water is pumped from the bottom water pool with a water pump for replenishing, so that a water body continuously flows circularly up and down; rows of culturing grooves are horizontally formed on both sides of the vertical wall body respectively; and substrates which are suitable for plants to grow such as soil and the like are filled into the culturing grooves for culturing plants.
Owner:陈国柱

Deep-sea fish collagen oral liquid

An abyssal fish collagen oral liquid relates to a collagen oral liquid. The present invention solves the problem that the present collagen oral liquid is not capable of supplying water to skin. The abyssal fish collagen oral liquid of the present invention mainly consists of abyssal fish collagen, chitine extract, orange juice, grapefruit juice, apple juice, spice, granulated sugar, fructose syrup, citric acid, lactic acid, sodium citrate, vitamin E and water. The acid mucopolysaccharide formed in human body by the product of the present invention can supply water directly and moisten the skin, and at the same time can improve the microcirculation and strengthen the moistening degree of the skin, thus improving the water-retaining ability of skin, being elastic, reducing the wrinkles, taking the effect of complete skin protecting and solving the problem that skin lacks water.
Owner:宋小刚 +1

Composition with functions of resisting radiation and improving skin moisture

The invention relates to the skin-care and health-care field, in particular to a composition which has the functions of resisting radiation and improving skin moisture and consists of grape seed extract containing procyanidins or extract of other plants, evening primrose oil containing Gamma-linolenic acid or American starflower oil, collagen, aloe extract and American ginseng extract. The invention solves the difficulties that the skin is dry and lacks water due to free radical generated by external radiation, or that the skin is dry due to self ageing of an organism, thus preventing the occurrence of wrinkle and vesicle of skin, keeping the skin soft and smooth, and having extremely high market popularization value.
Owner:金日制药(中国)有限公司

Automatic water adding control method and system for electric steam box

The invention provides an automatic water adding control method and an automatic water adding control system for an electric steam box. The method comprises the following steps: starting an electric steam box, and enabling water storage equipment to convey water to a heating device, wherein the initial water supply amount is Q0; operating the heating device to enable the temperature in the electric steaming box to reach a first preset temperature T1; when the temperature in the electric steam box reaches a second preset temperature T2, driving the water storage equipment to convey water to theheating device, wherein the water supplementing and supplying amount is Qn. Based on the above system, the automatic water adding control method of the electric steam box can be realized. Compared with the prior art, through detecting the temperature of the heating area of the electric steaming box, whether the heating device lacks water or not is judged. When water in the heating device is boiled out, the temperature in the electric steaming box is lowered. At the moment, the water storage equipment can automatically supplement new water to the heating device. The situation that the electricsteam box automatically stops working due to water boiling-out is avoided. It is guaranteed that food has a good cooking effect.
Owner:宁波奥克斯厨电制造有限公司 +1

Steam system with automatic water supply and drainage functions, control method and steamer

The invention discloses a steam system with automatic water supply and drainage functions. The steam system comprises a water tank and an evaporation tray, wherein the evaporation tray and the water tank are communicated through a water pipe; and the bottom position of the evaporation tray is higher than the junction of the water tank and the water pipe so that the water tank and the evaporation tray maintain a same water level surface and / or the water remaining in the evaporation tray can be automatically drained. At the same time, the invention discloses a control method and a steamer for applying the steam system with automatic water supply and drainage functions. The steam system, the control method and the steamer at least have the advantages as follows: 1, the steam system has the functions of continuously supplying water to the evaporation tray and automatically draining the water remaining in the evaporation tray; and 2, the control method can automatically send a water shortage signal according to the water level of the evaporation tray, and also can automatically disconnect or connect a heating loop of the evaporation tray, so that the temperature control mode is high inresponse speed and the safety and reliability of the evaporation tray are improved.
Owner:VATTI CORP LTD

Control method of humidification device and humidification device

The invention provides a control method of a humidification device and the humidification device. The humidification device comprises a control part, a water tank, humidification parts, a water injection part and a water amount monitoring part. The humidification parts are used for atomizing or evaporating water in the water tank. The water injection part is used for injecting water in the water tank. The water amount monitoring part is used for monitoring the water amount in the water tank. The control part is connected with the humidification parts, the water injection part and the water amount monitoring part. The control method includes the steps that after the water amount monitoring part monitors the situation that the water amount in the water tank is insufficient, the control part automatically regulates the water injection time and / or the water injection period of the water injection part. According to the control method of the humidification device, by detecting an output signal of the water amount monitoring part and automatically regulating the water injection time and / or the water injection period of the humidification device, the problem that water shortage faults frequently appear can be solved.
Owner:GREE ELECTRIC APPLIANCES INC

Cleaning equipment

The invention discloses cleaning equipment which comprises a machine body, a water box and a first induction piece, the water box is arranged on the machine body, a water storage cavity and a water level channel communicated with the water storage cavity are formed in the water box, a floater is arranged in the water level channel, and the floater floats up and down in the water level channel along with the change of the water level in the water storage cavity; the first induction part is arranged at the bottom of the water box and used for sensing the position of the floater so as to detect the lowest water level in the water storage cavity. According to the cleaning equipment, when the water level in the water storage cavity is changed, the floater in the water level channel floats up and down in the water level channel along with the change of the water level in the water storage cavity, the first induction piece is arranged at the bottom of the water box, and when the water storagecavity lacks water, the floater falls to the lower end of the water level channel and is matched with the first induction part; therefore, the water level in the water storage cavity is known to be the lowest water level, the cleaning equipment is moved to the water injection position to automatically add water, and the cleaning equipment can continuously clean the ground.
Owner:MIDEA ROBOZONE TECH CO LTD

Aquaculture raft

The invention relates to an aquaculture raft. The aquaculture raft is a firm cultivation raft capable of floating under the water surface, which is built by materials, such as a fixing material layer (1), a floating material layer (2), a suspending device (3), a hanging arm (4), a fixing device (5), a rope (6), a connector (7) and the like. The aquaculture raft is used for culturing various aquatic products, and cultivates for a period of time through a method of applying fertilizer or feed to the cultured aquatic products so that the content of specific elements of the aquatic products is remarkably improved and an aquatic product culture effect of reinforcing the nutrition of the specific elements is reached. When the aquaculture raft disclosed by the invention is applied to aquaculture, a large amount of the fertilizer and the feed can be saved, and the aquaculture raft can be applied to cultivating aquatic products in rivers, lakes and seas, such as sea tangles, agars, fishes, shrimps, crabs, shellfishes, abalones, sea cucumbers and the like, is especially suitable for the aquaculture with reinforced biological nutrition and is also suitable for deepwater hypervariable regions with lack water nutritions, deep water, supercritical flow, large wind and large waves.
Owner:苏州安德鲁生物技术咨询有限公司

Construction method for building water storage facilities by using soil solidification material

The invention discloses a construction method for building water storage facilities with soil solidifying material; a soil solidifying agent, loess and water are adopted to prepare dry mixed material; and then the mixed material is tamped under supporting of a template, to form a cistern; the cistern prepared through the method has quite high strength and anti-seepage performance, can meet the anti-seepage and durability requirements of the cistern, and has quite good water quality; the dry construction process has the advantages of quite convenient construction and low construction cost. The construction method has important practical value in promoting the rain water collection, storage and utilization technology development in areas which lack water resources, in particular dry and semi-dry areas.
Owner:NORTHWEST A & F UNIV +2

Gas exhausting and water containing system and method for lithium bromide recycling desulfurization system

The invention relates to a gas exhausting and water containing system and a gas exhausting and water containing method for a lithium bromide recycling desulfurization system. The front section of the inlet of a chimney is provided with a surface heat exchanger; steam extracted from the low-pressure section of a steam turbine is delivered into a lithium bromide refrigerator to produce cold water; the cold water produced by the lithium bromide refrigerator is delivered into the surface heat exchanger to exchange heat with flue gas, so that water vapor in the flue gas is condensed; and the surface heat exchanger is provided with a groove-shaped passage for collecting condensed water. The system and the method have a great significance for water conservation in power plants, particularly northern arid regions lacking water resources. In the method, refrigeration is directly performed by using steam not electricity, so that loss caused by the transformation of steam to electricity to coldness is eliminated.
Owner:XI AN JIAOTONG UNIV

Water-based asphalt coating composition

The present invention relates to multi-part coating compositions that comprise a first part which is an asphalt emulsion comprising water, asphalt, and a dispersion system and a second part which is a liquid polymer composition that lacks water. The asphalt emulsion and liquid polymer composition are combined in situ to provide a coating that has fast dry characteristics, and that quickly develops good water-resistance. Such compositions are useful as coatings on metal, wood, and other surfaces, where fast drying characteristics are important. Such compositions are particularly useful as coatings on substrates where early water-resistance of the coating is important, such as those surfaces which are routinely exposed to the outdoors.
Owner:TREMCO CPG INC

A risk hedging decision-making method of reservoir flood resource utilization considering the influence of forecast uncertainty

ActiveCN108985585ACoordinating solutions to flood preventionCoordinating and resolving conflicting issues in XingliClimate change adaptationResourcesReservoir storageFlood control
The invention discloses a risk hedging decision-making method for reservoir flood resource utilization considering the influence of forecast uncertainty. The method comprises the following steps: dividing a flood control stage and a profit-making stage according to the relative magnitude relationship between forecast incoming water and water demand, and counting two-stage forecast error parameterconditions; defining flood control risk in flood control phase and water shortage risk in water supply phase; establishing a two-stage risk hedging model for reservoir flood resources utilization; under the given input condition of model parameters, deducing the analytical rules of reservoir storage capacity with intermediate variable of flood control and water supply conversion by using the first-order optimality condition; outputting the function diagram of flood resource utilization risk hedging analytical rule and the result of dispatching objective function under different incoming waterconditions. The method quantifies the two-stage risk characterization mode of flood control and water supply, can analyze the functional relationship between each main influencing factor and the storage capacity, can reduce the sum of the risk losses of flood control and water shortage, and can comprehensively coordinate the objective contradiction of flood control and profit promotion in reservoir flood season dispatching.
Owner:HOHAI UNIV +1

Tubular pile type ground source heat pump system

A tubular pile type ground source heat pump system is applied to construction heating, comprising a low-temperature heat source end, a ground source heat pump set and a radiating tail end; the system can be used in winter and summer; during heating, low-temperature hot water at an evaporator end of the ground source heat pump set is discharged into a hollow pipe of a concrete tubular pile embedded underground through a pipeline, and then, low-temperature hot water is heat-exchanged with the ground through the tubular pile wall; after heated, the low-temperature hot water is extracted to the evaporator end of the ground source heat pump set to be used as a low-temperature heat source, thereby realizing heating of the ground source heat pump system. The tubular pile type ground source heat pump system is capable of heating in winter while cooling in summer, and can ensure heat balance of underground soil; simultaneously, the system can solve the problems that the groundwater system lacks water and a soil pipe system has large floor area, thereby saving energy and protecting environment.
Owner:DALIAN BAOGUANG ENERGY SAVING AIR CONDITIONING EQUIP

Air purification and condensation water-production system

InactiveUS20180030695A1Low costOvercome drinking water difficultyMechanical apparatusGas treatmentAridElectricity
Disclosed is an air purification and condensation water-production system which comprises at least one water-production device. The water-production device comprises a unit body, a water collection tank and a refrigeration system, wherein the refrigeration system comprises evaporators arranged on the side faces of the unit body, and a condenser arranged at the top of the unit body; the water collection tank is arranged at the bottom of the unit body and located below the evaporators; outside air enters the unit body through the evaporators on the side faces of the unit body and then is exhausted from air outlets in the top of the unit body through the condenser. The air purification and condensation water-production system can be used for producing pure drinking water at reasonable costs in places where energy and electricity are available, and overcome the drinking water difficulty for remote arid areas lacking water sources.
Owner:NG TAT YUNG

Wearable-type body liquid monitoring device and body liquid monitoring system and method

The invention discloses a wearable-type body liquid monitoring device. The device includes a body liquid monitoring unit, a storage unit, a reminding unit and a central control unit, wherein the body liquid monitoring unit is used for monitoring the body liquid conditions of a user, obtaining body liquid monitoring data and sending the body liquid monitoring data to the central control unit; the storage unit is used for storing body liquid monitoring reference data; the reminding unit is used for reminding the user under the control of the central control unit; the central control unit is separately connected with the body liquid monitoring unit, the storage unit and the reminding unit, and used for comparing the body liquid monitoring data with the prestored body liquid monitoring reference data, and judging whether or not it is required to remind the user according to the difference values between the body liquid monitoring data and the body liquid monitoring reference data, and if yes, the user is reminded by the reminding unit. The invention also discloses a body liquid monitoring system and method. Through the wearable-type body liquid monitoring device and the body liquid monitoring system and method, the body liquid level of the user can be detected, so that analysis and judgement can be conducted according to the body liquid level and the body liquid reference data to remind the user if necessary, for instance, when the user lacks water, the user is reminded to supplement water to the body.
Owner:湖州帷幄知识产权运营有限公司

Water out alarm

The present invention provides for an improved method of determining a water out condition in a humidified gases supply apparatus. The method includes a two step process including a primary determination of a water out condition and a secondary determination of a water out condition. This primary determination is made during observation of the normal operation of the apparatus. During the secondary determination the method takes temporary control over the humidifying part of the apparatus. The secondary determination confirms or contradicts the primary determination.
Owner:FISHER & PAYKEL HEALTHCARE LTD

Automatic watering type intelligent flower shelf

The invention discloses an automatic watering type intelligent flower shelf comprising a shelf body, wherein a fish tank is fixed to the topmost end of the shelf body, a plurality of flowerpots are placed at the middle of the shelf body, and a controller is further arranged on the shelf body; the shelf body comprises a bottom plate, a hollow column body is arranged at the center of the bottom plate, a lower end of a hollow part of the hollow column body is connected with a floor drain, a turntable is arranged at the middle of the hollow column body, a plurality of circular grooves are formed in the turntable, and flowerpots are arranged in the grooves; a top plate is fixedly connected to an upper end of the hollow column body, a fish tank is fixedly arranged on the top plate, a connecting pipe is further arranged at the lower part of the top plate, and a spray head is arranged at the tail end of the connecting pipe; and a position sensor is arranged on the hollow column body. The automatic watering type intelligent flower shelf disclosed by the invention can repeatedly use the water in the fish tank, when a humidity sensor on the side wall of each flowerpot senses insufficient humidity of soil in the flowerpot, the controller will control a second water outlet to drain water to irrigate the corresponding flowerpot; and when the fish tank lacks water, the controller will control a water inlet valve on a water inlet pipe to open to realize automatic water inflow.
Owner:DONGGUAN QINZHI IND DESIGN CO LTD

Method and system for quickly supplying air to compressed air motor vehicle by utilizing natural energy

The invention provides a method and a system for quickly supplying air to a compressed air motor vehicle by utilizing natural energy. The system comprises a solar energy photovoltaic subsystem and / or a wind energy generating subsystem, a commercial power network, an accumulator battery and air compressor and network control subsystem, an AC / DC converting subsystem and an air feeding subsystem. The method provides steps of implementing conversion and control of the natural energy, and realizing quick air supply for the compressed air motor vehicle through the system. The method and the system have the advantages that: when the natural energy generates sufficient electricity, excessive electricity can be merged into a commercial power net for use of other loads; and when the electricity is not sufficient, the AC of the commercial power net can be transmitted to an air compressor unit to quickly supply air to the compressed air motor vehicle; therefore, the method and the system realize stably and reliably utilization of the natural energy to quickly supply air to the compressed air motor vehicle, reduce dependency on non-renewable energy resources such as petroleum, coal and the like, relieve energy crisis, solve the problem of lacking water and protect atmospheric environment.
Owner:吴速

Water supply system for water purifier and control method thereof

The invention discloses a water supply system for a water purifier and a control method. The water supply system comprises a raw water pipeline, a water purification system and a water outlet pipeline, wherein the raw water pipeline is connected with an inlet of the water purification system; the water outlet pipeline is connected with an outlet of the water purification system; a flowrate detection device is arranged on a water path of the water supply system, and is connected with a control device of the water purification system; in the process of making water in the water purification system, the control device is used for at least controlling the work state of the water purification system according to the information detected by the flowrate detection device. The water supply system can be used for controlling the work state of the water purification system according to water current information and water supply pressure, so that the system can enter a protection mode under a water shortage state, and the damage of water shortage operation for the whole machine can be prevented. Furthermore, the flowrate detection device is matched with a pressure detection device, the use amount of parts and components is reduced, and the system structure is simplified.
Owner:GREE ELECTRIC APPLIANCES INC

Controlling device for water level in electrical water-replenishing device and method thereof

The invention relates to a water level-controlling device and a method, specifically to a controlling device for water levels in an electrical water-replenishing device and a method. The device comprises an infrared water level probe body 1, a water level induction line 2, a water scarcity induction area 3, an optimized replenishing end position 4, a controlling device 5 and a multifunctional button with a lamp 6. Compared with traditional methods and devices, the device and the method achieve free control over high and low water levels through only one probe, increase safety substantially, and prevent water outflow accidents. Meanwhile, the device can judge intellectually a probe fault or a water scarcity in water-storing buckets and conduct warning in time, so the device can be a long-term and stable one used in places such as fish tanks and pools.
Owner:卢志勇

Air treatment device and air conditioner

The invention belongs to the technical field of air conditioners, particularly relates to an air treatment device and an air conditioner, and aims at solving the problem that in the prior art, the water volume of a water container is too small or too large. The air treatment device comprises a water container, an upper limit water level detection device, a lower limit water level detection device,a processor and an alarm, wherein the water container is used for containing water; and the upper limit water level detection device and the lower limit water level detection device are arranged in the water container up and down at intervals and used for detecting an upper limit water level and a lower limit water level of the water container respectively. When the lower limit water level detection device detects that the water level is lower than the lower limit water level, the processor controls the alarm to send out a water shortage alarm signal to prompt a user to add water, and the situation that the air treatment device cannot work normally due to water shortage of the water container is avoided; and when the upper limit water level detection device detects that the water level ishigher than the upper limit water level, the processor controls the alarm to send out a full-water alarm signal, so that the situation that water in the water container exceeds the load due to excessive water adding is avoided.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1

Dynamic water resource development technical system

The present invention relates to a dynamic water resource development technology system, which is characterized by that it can convert the surface water into the underground water resource which can not be lost, can not be evaporated, can not be polluted and can not be seeped. Its concrete technical scheme is that in the river upstream area and plain area lots of completely-closed underground water-storing structure can be built, said water-storing structure is formed from several components of water penetration layer, water-storing space, top cover, support and four walls, water penetration output hole, water well for monitoring water quality and water quantity and water-supplying working surface for delivering water.
Owner:张福增

Potted plant control system with sensor-based automatic light following and water storage function

A potted plant control system with a sensor-based automatic light following and water storage function relates to a potted plant control system. The system comprises a pot-planting control system host machine, raindrop sensors, sunlight sensors, a pressure sensor, a GSM short messaging module, a stepper motor, and a stepper motor controller. The system has a cylindrical host machine shell which has two layers, wherein one layer is the wall of a water storage tank, and the other layer is a pot-planting host machine shell. The two layers of the host machine shell are provided with water level observation windows in the same position. The upper part of the host machine is equipped with a two-layer top cover, wherein one layer is an upper cover of the pot-planting host machine, and the other layer is a lower cover of the pot-planting host machine. The sunlight sensors are installed at one side of the outer wall of the top cover of the host machine at intervals. The system can adjust the illumination time and angle of flower plants in real time according to the lighting condition, store rainwater and monitor the water storage condition in real time. When a flower plant lacks water, a short message can be sent to the phone of a user by the GSM technology, thus realizing household service through use of electronic technologies.
Owner:SHENYANG UNIV

Closed-loop circulating cold energy water producing air conditioner power generating device on building delivery vehicle

The invention discloses a closed-loop circulating cold energy water producing air conditioner power generating device on a building delivery vehicle. The power generating device consists of a high-pressure liquid injection device, a temperature difference condensation water producing device, a helicoid magnetic suspension gas turbine generator set, a booster fan, a vortex tube nitrogen producing heat exchange device and a self-controlling device. The device realizes an air conditioning system which generates electricity and produces water, cold and heat in the gasification and liquefaction circulating process with micro energy consumption of low-cost recyclable liquid nitrogen, so that a low-cost permanent water source, a cold and heat air conditioner and all needed electric power are provided for regions which are droughty, lack water and electric power, become cold or heat unsteadily and are unsuitable for human beings to live in the world, such as all deserts, barren mountains and plateaus.
Owner:林茂森

Tree planting method

The invention provides a tree planting method which mainly comprises the steps of collecting young seedling / branch, planting the young seedling / branch and injecting water. The method is characterized in that during the period between collecting and planting the young seedling / branch, the young seedling / branch is stored in a place with the temperature of 0 to 5 DEG C and the relative humidity equal to or more than 80 percent. The tree planting method has the advantages of high survival rate and saving man power and water resource, water resource saving has important economic value for our country and countries that lack water resource, and the method is also suitable for desert areas.
Owner:王立安

Preserving method for tropic water lily seedlings

The invention relates to a preserving method for tropic water lily seedlings, and belongs to the technical field of seedling preserving and transporting. The method specifically comprises the following steps of 1, preparing a substrate; 2, planting tropic water lily seedlings through the substrate in step 1, maintaining the seedlings for 10-15 days in the full-sunlight exposure environment under the temperature of 25-35 DEG C, and keeping the water depth to be 5-7 cm in the maintaining period; 3, after seedlings survive and unfolded novel leaves grow from the rhizomes, stopping water supplementation, and lowering the maintenance temperature to 20-25 DEG C; 4, when water is evaporated till the water depth is 1-3 cm, further lowering the maintenance temperature to 15-20 DEG C, and not supplementing water till tropic water lily seedling leaves are withered, the substrate is shrunk and the surface layer of the substrate lacks water and is chapped; 5, taking out a substrate block containingtropic water lily seed balls, performing independent packaging and encasement, and placing the substrate block in the dry and cool environment to be preserved. The method is simple and easy to implement, the tropic water lily seed balls are preserved into the substrate block to achieve independent packaging, no water needs to be added for moisturizing, the seed balls can be preserved for 5-7 months, and storage, transpiration and later planting are convenient.
Owner:FLOWER RES INST OF YUNNAN ACAD OF AGRI SCI +1

Integral mobile natural gas liquefaction device

The invention discloses an integral mobile natural gas liquefaction device which is assembled in a mobile and integral manner. The device comprises a heavy hydrocarbon removal unit, a decarbonization unit, a dehydration unit, a liquefaction unit, an amine liquid regeneration unit, a cooling unit and a public project. The liquefaction device is characterized in that a mixed refrigerant and R22 are taken as cryogens to provide a refrigerating capacity for natural gas liquefaction; R134a and air cooling are combined to take the place of a traditional water cooling system, so rapid and convenient use of natural gas in areas which have not water supply and lack water becomes possible; and natural gas liquefaction can be achieved basically without pipeline laying on the ground. According to the invention, a sub-set mode is replaced by an integral machine mode, so floor space of equipment is further reduced; operations are more flexible; moving and assembly are convenient; operations and repair are simple; and consumption of manpower and materials is reduced. New technologies are used, so energy consumption is reduced; the degree of automation is greatly increased; the problem of water source lack is solved; and the device is applicable to various nonconventional gases and complicated terrains, so the utilization rate of the nonconventional gases can be increased greatly.
Owner:宁夏凯添燃气发展股份有限公司
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