32 results about "Rice water" patented technology

The present application relates to the field of intelligent agriculture and farmland hydrological information control technology, and more particularly to a rice water demand prediction and irrigation method based on physical mechanism characteristic engineering, comprising: collecting multi-source monitoring data and preprocessing into standard monitoring data; extracting Penman core intermediate parameters based on evapotranspiration physical mechanism, constructing weather interaction and water coupling characteristics, and obtaining a set of physical constraint extended characteristics; extracting a target minimal feature combination according to the prediction contribution, inputting the prediction model to output the actual evapotranspiration prediction value; combining the previous hydrology, current rainfall leakage and the prediction value, calculating the daily field water layer depth through a dynamic balance model; comparing the depth with the upper and lower threshold values to generate irrigation instructions, and collecting feedback data to calibrate the model. The present application overcomes the passive water level response hysteresis through mechanism dimension reduction and feedforward deduction, and realizes pre-precise irrigation control under limited edge computing power.

A yeast cultivation medium and method of yeast cultivation are provided. The yeast cultivation medium can be an aqueous solution including molasses, rice water, and at least one hydrolytic enzyme, which can be a hydrolase. The yeast cultivation method can include adding a yeast strain to the yeast cultivation medium, heating the yeast-containing cultivation medium, and extracting the yeast from the cultivation medium.

The utility model discloses rice soup powder grinding production equipment, and particularly relates to the field of food powder grinding, the rice soup powder grinding production equipment comprises a grinding box, the upper end face of the grinding box is fixedly provided with a cover plate, the upper end face of the cover plate is provided with a sliding groove in a clamping manner, and the inner side wall of the sliding groove is symmetrically provided with two mounting grooves; and a driving device is jointly mounted between the two mounting grooves. When the rice grinding device is used, operation is easy, rice in the grinding box can be smashed in a reciprocating mode through cooperation of the driving device and the smashing device, so that the rice in the grinding box can be fully smashed, a reset device can be compressed through abutting of a first protruding block and a collecting device, and therefore the rice grinding device is convenient to use. By means of resetting of the resetting device, the crushed rice can enter the inner bottom end of the grinding box through filtering holes of the collecting device, and the rice which is not fully crushed can be left in the collecting box and is crushed again by the crushing device, so that the situation that the rice which is not fully crushed is mixed in the rice flour to be collected is further prevented.

The invention relates to the field of agricultural microorganism and heavy metal pollution prevention and control, and provides an acid-stress-resistant metal-resistant cupriavidus strain, application thereof and a fungicide. The strain is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.36356, and the strain has the acid-resistant characteristic of stable growth in an environment with the pH value of 3.0-7.0, and has the capability of reducing the concentration of various heavy metal ions such as chromium, manganese, copper, arsenic, cadmium, lead and the like. In a wheat and rice water culture germination test, the strain can remarkably promote root growth and relieve the inhibition effect of stress of various heavy metals on root development, and the removal rate of heavy metal ions can reach a relatively high level. The method can be used for heavy metal pollution treatment and agricultural green and safe production under the acidic condition.

The invention provides a method for regulating and controlling water absorption characteristics and cooking quality of rice based on layered grinding, and belongs to the technical field of food processing. The rice is subjected to layered grinding, and the rice with the good water absorption characteristic and cooking quality is obtained; the grinding degree of the layered grinding is 1 to 12 percent, and the time of the layered grinding is 47s to 787s. The invention finds that the 4% milling degree can obviously improve the water absorption rate of the rice, improve / reduce the water absorption dynamic parameter value of the rice, and improve the water state distribution of the rice. And the crack effect of rice with the grinding degree of 2% or above is obviously improved. Layered grinding can shorten the optimal cooking time of rice, and the pH value of rice water, the loss content of rice water solids, the rice elongation rate, the volume expansion rate and the iodine blue value are increased. Grinding 4% is an obvious change critical point of the eating quality of the rice, and grinding 6% is an obvious change critical point of the appearance color of the rice. By controlling the grinding degree within 4% or 6% and controlling the soaking time and the like, the rice with good water absorption characteristic and cooking quality can be obtained.

The invention relates to the technical field of distillation equipment, in particular to a distiller with a dynamic washing function. The distiller with the dynamic washing function comprises a distillation draining frame, long grooves are formed in the left side and the right side of the inner wall of the distillation draining frame, connecting blocks are slidably connected to the side faces of the inner walls of the long grooves, a motor drives an abutting plate to rotate, so that the abutting plate makes contact with a transverse strip of an H-shaped strip, and four connecting strips are driven to move downwards; and meanwhile, four connecting strips drive a connecting plate, a sliding plate and a swing plate to move downwards, so that the swing plate drives a connecting rod to move downwards, the connecting rod is limited through a guide groove, when the swing plate vertically moves downwards, the sliding plate is driven to transversely shift in a sliding groove, and rice water in rice grains in a rice containing frame is rapidly discharged downwards. The rice water containing more starch can be quickly washed, so that the possibility that the rice containing more starch is converted into glucose and the blood sugar of an eater is increased is reduced, and the body health of the eater is ensured.

The application discloses a kind of rice water absorption performance classification and moisture distribution optimization method and control system, by analyzing the water absorption performance of rice, moisture diffusion distribution, realizes the accurate control of rice cooking process.First, the water absorption performance of rice is classified using support vector machine algorithm, and the moisture distribution equation is constructed to calculate the internal moisture distribution of rice.Then, according to the moisture distribution, the heat transfer process is optimized.Finally, the heating power is dynamically adjusted, the internal heat distribution of rice is optimized, and the uniformity of moisture absorption is realized.The application accurately controls the whole process of rice cooking by multidimensional data analysis and intelligent algorithm application, effectively improves the consistency and taste of rice quality, and provides a new technical scheme for intelligent cooking equipment.

Disclosed in the present invention are an air volume and rice water volume replacement structure, and an electric drain-type rice cooker and a drained rice cooking method thereof. The method comprises the steps of: sequentially placing an air volume and rice water volume replacement chamber and a steamer basket holding rice into a rice cooking pot, and adding clear water until the upper surface of the rice is slightly submerged, wherein in this case, a specific volume of air is stored in said replacement chamber; an electric rice cooker performing heating until the water in the rice cooking pot boils vigorously, so that steam cooks the rice in the steamer basket in an impact manner, while originally stored air in said replacement chamber is quickly diluted and replaced with the steam, causing the volume of air to be quickly replaced with the volume of saturated steam; when the rice is about 80% cooked, pausing heating, and rice water stopping boiling and cooling down, so that the saturated steam in said replacement chamber gradually condenses into water; when the volume of the saturated steam is almost completely replaced with the condensed rice water, the surface of the rice water in the rice cooking pot becoming obviously lower than the bottom of the steamer basket, to achieve thorough separation between the rice water and cooked rice; and then the electric rice cooker performing low-power heating, so that steam enables drained rice to be fully cooked.

The invention discloses a synchronous rapid prediction model and method for multiple key chemical indexes of rice water-prepared rhizoma atractylodis and application, and relates to the technical field of intelligent manufacturing of traditional Chinese medicine, the model is constructed based on an optimized extreme gradient boost (XGBoost) multi-output regression algorithm by taking color data of three channels R, G and B of an electronic eye and 10-dimensional smell data of an electronic nose sensor 1 to a sensor 10 as an input feature set, and the method is applied to synchronous rapid prediction of multiple key chemical indexes of rice water-prepared rhizoma atractylodis. And synchronously outputting predicted values of the total volatile oil content, the atractydin content and the beta-eudesmol content. Through Bayesian optimization adjustment, prediction decision coefficients (R) of the model on an independent test set are not lower than 0.815, 0.75 and 0.78 respectively, and a root mean square error (RMSE) is excellent in performance. Specific association between key features and chemical components is determined through SHAP interpretability analysis, nondestructive, rapid and accurate detection is achieved, the method is suitable for real-time quality monitoring and intelligent release of traditional Chinese medicine decoction piece production, and technical support is provided for intelligent traditional Chinese medicine processing.

The utility model provides a rice water direct seeding propagation precise seeding device, and relates to the technical field of rice precise seeding, the rice water direct seeding propagation precise seeding device comprises a rice breeding bin, a fixing frame is arranged above the rice breeding bin, a plurality of sliding-in blocks are slidably mounted on the inner wall of the bottom of the fixing frame, and a fixing box is fixedly mounted on the tops of the sliding-in blocks; an adjusting block is fixedly mounted at the top of the fixing box, and through the arrangement of a rice seeding precise adjusting assembly and a limiting assembly, the device can adjust the position of the fixing box according to breeding grooves above different rice breeding bins, so that an operation connecting block can move above a fixing rod; according to the device, the connecting rope is not prone to confusion and winding in the adjusting process, after adjustment is completed, a rotary knob drives a threaded rod to rotate, the threaded rod can drive an anti-skid pressing block to descend through threaded fit, the anti-skid pressing block abuts against a plurality of sliding-in blocks, and the anti-skid pressing block can slide into the sliding-in blocks; and the slip-in block is not easy to loosen in the transplanting and seeding process of the device.

The utility model relates to the technical field of rice cooker inner containers, in particular to a rice cooker inner container overturning structure and a rice cooker, the rice cooker inner container overturning structure comprises a first inner container and a second inner container which can be placed in the rice cooker, the first inner container is provided with a containing cavity, the second inner container is provided with a rice cavity, the second inner container is hinged to the inner side wall of the containing cavity, and sieve holes are formed in the bottom of the rice cavity. The rice cavity is communicated with the containing cavity through the sieve holes. The inner container of the rice cooker adopts a layered structure with an inner layer and an outer layer, the second inner container is hinged inside the first inner container, when a user needs to pour out rice washing water after washing rice, the user tilts the first inner container to pour out the rice washing water, the rice washing water flows into the first inner container through the sieve holes, uncooked rice does not penetrate through the sieve holes, and the second inner container tilts along with the influence of the gravity center. Uncooked rice can be kept in the rice cavity of the second inner container, the effect that the uncooked rice does not need to be covered, stopped and separated by hands to flow out is achieved, during cooking, water is added into the first inner container for cooking as usual, the second inner container can serve as a cooking cage to be heated and cooked by the first inner container, and the basic function of cooking is achieved.

The application discloses a Beauveria bassiana strain SL-066 and application thereof, and relates to the technical field of biological strains. The strain provided by the application is preserved in the China General Microbiological Culture Collection Center on August 8, 2022, and the preservation number is CGMCC No. 40269. The Beauveria bassiana strain SL-066 provided by the application can effectively prevent and control various rice pests, is a Beauveria bassiana strain capable of preventing and controlling the coleopteran pest Curculionidae (rice water weevil adult), the coleopteran pest Chrysomelidae (rice water weevil larva) and the lepidopteran pest Chilo suppressalis (Chilo suppressalis larva), and has a good prevention and control effect on the three common pests on rice.

The anti-overflow pot cover assembly comprises a pot cover and a steam valve assembly arranged on the pot cover, the steam valve assembly comprises a top cover, a bottom cover, a steam inlet pipe and a valve cavity formed between the top cover and the bottom cover, and the steam inlet pipe is provided with a steam inlet channel communicating with a cooking cavity of the cooking utensil and the valve cavity; the steam inlet channel is provided with a first steam inlet and a first steam outlet, the top cover is provided with a steam exhaust channel communicated with the outside, the steam exhaust channel is provided with a second steam inlet and a second steam outlet, the first steam outlet and the second steam inlet are transversely communicated, and the first steam outlet and the second steam inlet are arranged in a spaced mode in the transverse direction. And a shunting gap is formed between the first steam outlet and the second steam inlet. The first steam outlet and the second steam inlet are transversely and directly arranged, so that steam can directly enter the steam exhaust channel after being exhausted from the steam inlet channel, the steam exhaust efficiency is guaranteed, rice soup and the like after bubble breaking can fall back into the valve cavity under the action of gravity due to the existence of the flow dividing gap, and the risk of overflowing of a pot is greatly reduced.

The utility model relates to the technical field of hydroponic seedling raising devices, and discloses a rice hydroponic seedling raising device with high single-time seedling raising yield, which comprises a liquid inlet pipe, the end part of the liquid inlet pipe is fixedly communicated with a culture pipe, the inside of the culture pipe is fixedly communicated with an auxiliary ring, and the end part of the culture pipe is fixedly communicated with a liquid discharge pipe. By starting a second motor, a third transmission rod is driven to rotate, a first wheel is driven to rotate, a second connecting pipe is driven to move, a first connecting pipe is driven to move, a center connecting block is driven to move, and meanwhile a rubber wiping ring is driven to move; the rubber wiping ring is used for cleaning fungi and algae on the inner wall of the culture tube, so that the fungi and the algae are conveniently washed away by a subsequently conveyed nutrient solution, the cleanness of the interior of the culture tube is ensured, the possibility that the fungi and the algae influence the nutrient solution is reduced, and the possibility that the quality of the nutrient solution becomes poor is reduced; therefore, the possibility of rice yield reduction is reduced.

The invention provides a suberect spatholobus stem cutting planting method, and relates to the technical field of plant cutting seedling raising. The cuttage planting method comprises the steps that caulis spatholobi cuttage branches are disinfected and then soaked with rooting liquid prepared from stenotrophomonas maltophilia plant fermentation post-treatment liquid, indoleacetic acid, salicylic acid and rice milk, and then cuttage seedling raising is conducted. According to the method, the defects in the prior art are overcome, the fermentation conditions of the stenotrophomonas maltophilia are optimized, sterilization treatment is conducted at the same time, the sterilized post-treatment liquid is obtained and serves as a main functional component of the rooting liquid, early rooting of the caulis spatholobi cutting seedlings is effectively promoted, the overall survival rate is increased, and the cost of the caulis spatholobi cutting seedlings is reduced.

The present application relates to the field of wisdom agricultural technology, and more particularly to a rice breeding water and fertilizer intelligent regulation and control method and system based on unmanned aerial vehicle remote sensing, comprising: collecting paddy field multi-modal remote sensing data; constructing a spatio-temporal adaptive multi-modal fusion network and a double-branch neural network to predict leaf nitrogen content, soil moisture content and stress level; constructing a water-nitrogen coupling physiological deficit quantification model to generate a physiological deficit index; constructing a digital twin scene and integrating a crop growth model to deduce, taking the physiological deficit index and the stress level as initial states, to obtain simulated leaf nitrogen content, soil moisture content and stress level; generating an optimal decision based on multi-objective optimization; and realizing closed-loop regulation and control through a multi-agent collaborative control system. The present application integrates multi-modal remote sensing data, a water-nitrogen coupling model and digital twin deduction to realize accurate perception, intelligent decision-making and collaborative execution of rice water and nitrogen management, and significantly improves water and fertilizer utilization efficiency and intelligent level.

本申请公开了一种基于低空多模态数据的水稻水氮亏缺分离诊断方法及装置，涉及智慧农业监测与农业遥感技术领域，该方法：获取待测区水稻生长参数、冠层多模态数据和环境参数；预处理冠层多模态数据，得到植被指数与作物水分胁迫指数；用C‑Vine Copula函数约束多维生理参数联合分布，耦合ORYZA V3与SCOPE模型构建仿真基准数据集；计算水分胁迫后验概率；超阈值则以水分胁迫为协变量剔除其对光谱干扰，再算氮素胁迫后验概率，未超阈值则直接基于植被指数计算；依据两类后验概率判定胁迫等级；再反演土壤含水率与氮营养指数，结合生育期适宜指标计算出水分、氮素亏缺量。可实现精准、少田间破坏性采样的水氮亏缺分离诊断。

The utility model provides a rice water-saving irrigation system based on soil moisture regulation and control, and relates to the field of irrigation systems, the rice water-saving irrigation system based on soil moisture regulation and control comprises a water inlet pipe, the top end of the water inlet pipe is provided with a filtering device, the filtering device is located in a water channel, and the bottom end of the water inlet pipe is communicated with a water storage tank; according to the utility model, in seasons with less rain, rainwater can be pumped from the water storage tank through the water pump, enters the header pipe through the water pumping pipe and the water pump, is dispersed into the branch pipes, and is sprayed out from the spray pipes on the branch pipes to act on the rice field, so that the water in the rice field can be pumped out, and the water in the rice field can be sprayed out. In addition, the flow guide frame disperses the rainwater, the dispersed rainwater falls off from the position, close to the top end, of the water filtering frame, at the moment, the rainwater falls off along the water filtering holes, and gravel and the like move downwards into the collecting barrel along the inner wall of the water filtering frame.

A method of manufacturing a detangler solution that may be easily prepared, and that helps disentangle, condition, and restore hair to a healthier state is provided. The method includes usage of all natural, plant based, biodegradable, inexpensive, quick, and easy to produce ingredients and involves easy preparation methods. To that end, the detangler solution is made from natural ingredients such as potatoes, onion, rice, fenugreek, and sulfur. More specifically, a combination of potato water, fermented onion water, and fermented rice water, form the base of the detangler solution. Further, ingredients like rosemary, dandelion root, and neem leaves are added for additional benefits. Furthermore, the detangler solutions includes an essential oil of choice for added fragrance. The detangler solution may be left in or washed out with no side effects.

This utility model discloses a detachable rice water nutritional powder dispensing container, relating to the field of rice water nutritional powder dispensing technology. The detachable container includes multiple threaded dispensing boxes, and further includes: connecting strips arranged in a circumferential array along the interior of the dispensing boxes; partitions located inside the dispensing boxes; a top cover threaded inside the dispensing boxes, with a rotating cover plate rotatably mounted therein, and a discharge structure on the rotating cover plate; and a snap-fit ​​component located between the rotating cover plate and the top cover. This utility model can divide the interior of the dispensing boxes into multiple storage areas for storing powder. The top cover and partitions are detachable, facilitating disassembly and cleaning of the dispensing boxes, top cover, and partitions. Multiple dispensing boxes can be freely combined via connecting rings, offering both flexibility and portability.

The invention discloses a medicine for treating burns and scalds and a preparation method thereof, and the medicine comprises the following components in parts by weight: 490-510 parts of rice, 5-7 parts of Indian kalimeris herb, 3-5 parts of mysorethorn and 4400-4600 parts of water. The preparation method comprises the steps of rice washing water preparation, medicinal material treatment, uniform mixing, filtration and the like. The medicine disclosed by the invention has the effects of clearing away heat and toxic materials, cooling blood and stopping bleeding, diminishing inflammation and swelling, healing sore and promoting tissue regeneration, expelling toxin and pus, stimulating menstrual flow and activating blood, relieving skin itching and replenishing water and moistening skin, and is quick in healing without scars when used for treating burns and scalds, safe and free from toxic and side effects.

The invention discloses a hedysarum polybotrys decoction piece and composite auxiliary material moistening, stir-frying and shaping method, and the method comprises the following steps: preparing an auxiliary material liquid which comprises rice water / rice flour slurry and / or a fresh milk / milk powder solution; spreading the hedysarum polybotrys slices in an automatic spraying and moistening device in the form of a thin layer less than or equal to 10cm, spraying and turning in sections, and then sealing and moistening; taking the condition that the section has no white core, the section has no dry core when being held by hand and the weight increment reaches 12-18% as a moistening end point, and executing 5-8% supplementary spraying and delayed deviation correction when the end point is not reached; and then stir-frying and shaping in a herbal medicine roaster, and carrying out online end point judgment by monitoring the material temperature, the surface chromaticity or the online moisture / weight loss ratio so as to control shutdown. The temperature of a stir-frying heat source in the rice water / rice flour slurry mode is 150-210 DEG C, and the stir-frying time is 6-12 minutes; preheating to 100-120 DEG C in a milk making mode, feeding, and stir-frying at 80-120 DEG C for 8-12 minutes. According to the method, auxiliary material absorption is uniform and controllable, the mildewing and charring risks are reduced, and the batch-to-batch consistency is improved.

The invention discloses a rice water-saving irrigation and drainage decision-making method and system based on short-term weather forecast. The method comprises the following steps: setting an irrigation lower limit Hmin, an irrigation upper limit Hmax and a rain storage upper limit Hrmax according to a rice growth period; the field water depth hd on the current day is obtained, and drainage / non-irrigation / forced irrigation judgment is conducted; when hd is smaller than or equal to Hmin and the number N of continuous non-irrigation days does not reach a threshold value, weather forecast data of n days in the future is obtained, a future field water depth sequence is predicted based on water balance under the two assumptions of irrigation to Hmax on the day and non-irrigation on the day, a strategy I decision and a strategy II decision are obtained, and a final instruction is output according to a fusion rule of consistent execution and proportional irrigation during conflict; circulating day by day until the growth period ends. The invention further discloses a hardware system for implementing the method. According to the system, short-term weather forecast and field real-time water regimen are fused, prospective and self-adaptive precise irrigation is achieved, invalid irrigation is effectively avoided, and the water resource utilization efficiency is remarkably improved while the water demand of crops is guaranteed.

The present application relates to a kind of rice cake of improving air hole distribution and gas holding capacity.The rice cake is prepared by the following method: inoculating lactic acid bacteria fermentation in rice water;Lactic acid bacteria fermentation product is mixed with sugar and water, and then it is ground to obtain rice pulp;Rice pulp is fermented by yeast to obtain rice paste;Steamed cake.The rice cake provided by the present application has a simple preparation process, no other additives are added during preparation, the air hole characteristics of the rice cake are obviously enhanced, and it is especially suitable for rice fermented food.The future development direction of the rice cake is instant rice cake, and this method makes it possible for the production of rice cake to develop into industrialization and mechanization.

The application provides a rice field evapotranspiration estimation method considering water storage heat and advection, comprising the following steps: step 1, obtaining time series of meteorological data, flux data, water depth data and water temperature data of a research area; step 2, calculating the water storage heat in the rice growth period based on the time series of the water depth data and the water temperature data; step 3, calculating the advection based on the time series of the meteorological data; step 4, adding the water storage heat and the advection into an energy balance equation to modify a P-M model, and calculating an evapotranspiration estimation value based on the modified P-M model. The application comprehensively considers the particularity that the rice field is in a flooded state during the growth period, improves the energy balance closure degree by introducing the two secondary energy items of the water storage heat and the advection, quantifies all forms of energy participating in the energy transmission process to the maximum extent, and realizes the improvement of the estimation accuracy of the traditional P-M model and the more accurate estimation of the rice water consumption of the rice field.

The invention provides cooking equipment, and relates to the technical field of electromagnetic heating. The cooking equipment comprises an inner pot, an outer pot and a pot cover, the first coil is arranged opposite to the bottom wall, and the first coil is configured to generate a magnetic field when powered on; wherein the number of the first coils is at least two, the at least two first coils are distributed in the circumferential direction of the bottom wall at intervals, and at the same moment, the polarities of magnetic fields generated by the at least two first coils are the same. According to the technical scheme, a small-range weak magnetic field area is formed between every two adjacent first coils, a strong heat area and a small-range weak heat area are formed at the pot bottom, heat is promoted to flow from the strong heat area to the weak heat area, the problem that the heat is excessively concentrated in part of the area can be avoided under the condition that the cooking efficiency is not obviously influenced, and the cooking efficiency is improved. Rice water in the cooking equipment is heated more uniformly, cooked rice is more uniform in hardness and smoother in surface, and therefore the heating effect is improved.

The invention discloses a processing method and a processing device for processing rhizoma atractylodis based on dynamic circulation of rice water, and belongs to the technical field of traditional Chinese medicine processing. The method comprises the following steps: S1, after removing impurities from rhizoma atractylodis, cutting the rhizoma atractylodis into rhizoma atractylodis decoction pieces with the thickness of 2-4mm; s2, processing the rhizoma atractylodis decoction pieces by adopting circularly flowing rice water, wherein the circular flowing speed of the rice water is 0.05-0.4 time of the volume / min of the rice water; stirring is performed during processing, and the stirring speed is 30-100 revolutions per minute; the dosage of the rice water is 8-15 times of the weight of the rhizoma atractylodis decoction pieces, the processing temperature is 30-45 DEG C, and the processing time is 6-14 hours; the preparation method of the rice swill comprises the following steps: crushing and filtering rice, mixing the rice with water according to a mass ratio of 1: (8-15), and cooking at 25-35 DEG C for 10-15 minutes to obtain the rice swill; s3, after processing is finished, the rhizoma atractylodis is fished out of the rice water and dried at 55-65 DEG C for 8-12 hours, and a rhizoma atractylodis processed product is obtained.

The invention discloses a rice RDR1 gene promoter infected and induced by a rice straw-like dwarf virus and application of the rice RDR1 gene promoter. The nucleotide sequence of the rice RDR1 gene promoter is as shown in SEQ ID NO.1. Experiments show that when a constructed plant expression vector with the rice RDR1 gene promoter and a GUS reporter gene is transferred into rice, the rice RDR1 gene promoter and the GUS reporter gene can be efficiently expressed, and the yield of the rice RDR1 gene promoter is increased. Under the infection induction of the rice straw stunt virus, the rice RDR1 gene promoter can up-regulate the expression of the GUS reporter gene in rice. The invention has important theoretical and practical meanings for the research on the molecular mechanism of the rice water-resistant straw-like dwarf virus and the molecular breeding of the rice water-resistant straw-like dwarf virus, and has wide application and market prospects in the field of agriculture.

The utility model relates to a fresh rice production line and a rice washing device thereof in the field of self-heating rice. The fresh rice production line comprises a storage cabin, a rice washing assembly and a conveying pipe, the rice washing assembly comprises a first rice washing tank and a second rice washing tank, the first rice washing tank is of a cylindrical structure, a feeding port in the upper end of the first rice washing tank communicates with a discharging port in the lower end of the storage bin, purified water is contained in the storage bin, and the feeding port in the upper end of the storage bin is used for receiving finely-screened rice; the second rice washing tank comprises a first tank body of the cylindrical mechanism and a C-shaped conveying pipe communicated with the first tank body, a feeding port in the lower end of the C-shaped conveying pipe is communicated with a discharging port in the lower end of the first rice washing tank, a discharging port in the upper end of the C-shaped conveying pipe is communicated with a feeding port in the upper end of the first tank body, and a discharging port in the lower end of the first tank body is communicated with a feeding port of the conveying pipe. According to the utility model, high-pressure air is equivalently used as a stirring part to stir rice water, so that the cleanliness of rice is effectively improved, and the surface damage of rice is reduced.