Preparation method of mulberry black tea type instant tea

Preparation method of mulberry black tea type instant tea

The invention relates to a preparation method of mulberry black tea type instant tea, which comprises the following steps of: by taking mulberry black tea as a raw material, adding maltodextrin, wherein the mass of the added maltodextrin is 5-20% of the mass of the mulberry black tea; mixing and decocting with purified water to obtain an extracting solution; extracting repeatedly 2-5 times, combining extracting solutions, passing through an ultrafiltration membrane with molecular weight cutoff of 100000 Da, evaporating and concentrating; carrying out spay drying on a concentrated solution, drying to obtain a powder water-solubility mulberry black tea extract, i.e., the mulberry black tea type instant tea. The instant tea is rapid to dissolve without residues, has red and bright liquid color and is fragrant and sweet after taste; and active ingredients are well retained.

Application of alpha-L-rhamnoside enzyme in directional synthesis of isoquercitrin by biological conversion of rutin

The invention relates to application of an alpha-L-rhamnoside enzyme in the directional synthesis of isoquercitrin by the biological conversion of rutin. Because the crude enzyme preparation or the immobilized enzyme preparation of the alpha-L-rhamnoside enzyme is used for catalyzing and hydrolyzing the rutin and directionally and biologically synthesizing the isoquercitrin, the application has the advantages of wide source, easy preparation and low cost of catalysts, high stability, and high catalysis efficiency and specificity of the enzyme preparation, and is easy to store. Thus, the alpha-L-rhamnoside enzyme can greatly reduce the production cost of quercetin, the catalysis and conversion rate of the enzymes is high, and the products are single.

Frame rate improving method with UMH block matching motion estimation and optical flow field motion estimation combined

The invention provides a frame rate improving method which mainly comprises four steps that image segmentation is carried out, and the foreground, the background and the object edge are obtained; the foreground and the background are subjected to variable size block matching motion estimation, and the object edge is subjected to motion estimation based on an optical flow field; a motion vector is subjected to post processing, and a proper motion vector is obtained; and a method of overlapped block motion compensation and bilinear interpolation is used for motion compensation, and interpolation frames are synthesized. According to the frame rate improving method, the problems that the halo effect, the edge block sawtooth effect and the like happen in a traditional frame rate improving method can be solved, and the method is widely used in the field of frame rate improving.

Layering sub pixel motion estimation method for image super resolution

The invention provides a layering sub pixel motion estimation method for image super resolutions, and belongs to the field of image processing. The method includes an integer pixel motion estimation stage and a sub pixel motion estimation stage. When integer pixel motion estimation is carried out, wavelet decomposition is adopted, an image pyramid is built, and fast matching in a coarse-to-fine mode is carried out layer by layer through the adoption of overlapped block motion estimation and the UMHexagonS algorithm. When sub pixel motion estimation is carried out, NEDI interpolating is adopted, and accurate estimation results are rapidly obtained. Experiment results show that quite accurate search results are obtained by the method with extremely low search cost.

Method for guaranteeing physical layer security in multi-relay multi-interference wiretapping network

The invention provides a method for guaranteeing physical layer security in a multi-relay multi-interference wiretapping network, in order to solve the problem about secure communication of the physical layer. Beam forming and artificial interference techniques are combined, and relay groups are divided into relay forwarding groups and interference groups which are respectively used for forwarding signals to a destination node and sending noise interference to wiretappers. Under the condition that maximum degree of freedom is guaranteed, beam forming vectors of the relay forwarding groups and interference groups are optimized, the optimal relay power distribution scheme is searched, and finally maximum secure capacity of the system is obtained.

Paleo-water-depth quantitative calculation method aiming at lake facies deposition

The invention provides a paleo-water-depth quantitative calculation method aiming at lake facies deposition. The method comprises: a step 1, screening out lakes similar to a researched region; a step 2, aiming at the lakes screened out, establishing a quantitative relation between a lakebed deposit and a water body depth; a step 3, aiming at the researched region, carrying out a mudstone TOC test, and carrying out statistics on the formation thickness of target layers; a step 4, establishing a quantitative relation between paleo-water-depth data and the formation thickness; and a step 5, drawing a paleo-water-depth planar distribution graph. By adopting the paleo-water-depth quantitative calculation method aiming at the lacustrine deposition, the paleo-water-depth recovery means is further improved, and a new research idea and technical means are provided for the paleo-lake deposition evolution process research and the prediction of multi-type lake facies sand bodies.

Visible oral cavity mouth gag

The invention relates to a visible oral cavity mouth gag, which comprises a trapezoidal elastic rubber body and a handheld handle, wherein the bottom edge surface of the trapezoidal elastic rubber body is provided with the handheld handle; the lateral surface of the opposite edges of the trapezoidal elastic rubber body is provided with an inverse v-shaped step inclined plane; and two sides of thestep inclined plane are provided with baffle plates, the outer lateral surface of the trapezoidal surface of the trapezoidal elastic rubber body is provided with a slightly raised arc surface in accordance with an oral cavity buccolingual mucosa form, and the inner lateral surface of the trapezoidal surface of the trapezoidal elastic rubber body is provided with a micro electronic cavity mirror. The baffle plates, the inclined plane and the inverse v-shaped step structure are occluded and contacted tightly with buccolingual side cusps of upper and lower jaw teeth, so the retention is good; and the ...

Visual quantized model observer

The invention relates to a visual quantized model observer, which is characterized in that a connecting rod is arranged between an upper pole and a lower pole of a transparent rotating bead of the observer in a penetrating way; when an observing platform is inclined forwards, backwards, leftwards and rightwards, the connecting rod positioned in the transparent rotating bead indicates the degrees on a transparent dial scale, the degrees are read through a horizontal visual window and a vertical visual window, and the inclined angle of the observing platform can be determined. Guiding lines are drawn on each dental model by analyzing the lifting and rotation of the rod, so as to distinguish the undercut areas and non-undercut areas of the soft and hard tissues for guiding the design of a snap ring and determining the common insertion path of false teeth. By adopting the visual quantized model observer, the inclined angle of a tooth body can be quantized, so that the design of the false teeth ...

Frame rate up-conversion method based on adaptive motion estimation

The invention provides a frame rate up-conversion method which comprises the following four steps: adaptive motion estimation is performed by adoption of a texture classification method based on edge detection to obtain motion vectors; motion vector post-processing is performed, namely, inaccurate motion vectors are corrected by adoption of a multi-direction extent motion vector repairing method; motion vectors of a hole area and an overlapped block area are estimated; and motion compensation is performed according to the obtained motion vectors to synthesize an insert frame. By adopting the frame rate up-conversion method provided by the invention, the problems such as motion blur, block effect, hole and overlapped block caused by the traditional frame rate up-conversion method can be effectively solved, and the quality of synthetic videos is greatly improved.

Wireless visual mouth gag

The invention relates to a wireless visual mouth gag comprising a trapezoidal elastic rubber body and a handheld stem. The handheld stem is arranged on bottom edge of the trapezoidal elastic rubber body, stepped inclined surfaces are arranged on opposite sides of the trapezoidal elastic rubber body, baffles are respectively arranged at both sides of each stepped inclined surface, a slightly-convex cambered surface according with the shape of a buccal buccolingual mucosa is arranged on the outer side of the trapezoidal surface of the trapezoidal elastic rubber body, the stepped inclined surface is a stepped inclined surface in a reverse v shape, a wireless micro-electronic endoscope is arranged on the inner side of the trapezoidal surface of the trapezoidal elastic rubber body, and the baffles and the stepped structural inclined surface in the reverse v shape are tightly occluded and contacted with buccal buccolingual tooth cusps of the upper and lower jaws to be favorably fixed. The wireless ...

Tooth X-ray image matching method based on SURF point matching and RANSAC model estimation

The invention relates to a tooth X-ray image matching method based on SURF point matching and RANSAC model estimation. The tooth X-ray image matching method includes the steps that (1), images are collected; (2), the images are enhanced; (3), features are extracted; (4), the features are matched; (5), related matching coefficients are calculated; (6), a matching result is displayed; (7), if reference images which do not participate in matching exist in an image library, the step (1) is carried out, a new reference image is selected from the image library, and if all images participate in matching, operation is finished; (8), matching succeeds, personal information corresponding to the reference images is recorded, and then operation is finished. The feature points of an input tooth image and a reference tooth image are extracted according to an SUFR algorithm, then the feature points are matched according to an RANSAC algorithm, and finally, the matching degree of the two images is measured ...

Application of multistage solvent extraction method in enzymatic synthesis of isoquercitrin

The invention relates to application of a multistage solvent extraction method in enzymatic synthesis of isoquercitrin. The application comprises the steps of dissolving rutin in a 1g/L glycine-NaOH buffer solution with the pH value of 9.0, adding ionic liquid [Bmim][BF4] of a volume which is 10% that of the solution and a hesperidinase solution so as to form a reaction system, and carrying out oscillating culture at the constant temperature of 40 DEG C, so as to obtain a rutin hydrolyzate, wherein the pH value of an ionic liquid cosolvent system, namely the rutin hydrolyzate, is 2.0-7.0; mixing the rutin hydrolyzate and an extractant, oscillating in a water bath at a constant temperature, carrying out solvent extraction under the conditions that the phase ratio of an organic phase to an aqueous phase is 0.2-2.0 and the extraction time is 10-150 minutes, then, calculating a theoretical stage number by adopting a multistage countercurrent extraction formula, and screening out the best extraction ...

Compound mulberry-black-tea-type instant tea

The invention discloses a compound mulberry-black-tea-type instant tea, comprising mulberry black tea powder and one or more than one of cyclamate, malic acid and tea polyphenol, wherein cyclamate accounts for 5-20% of the weight of the finish product, malic acid accounts for 2-10% of the weight of the finish product, and tea polyphenol accounts for 3-15% of the finish product. The mulberry-black-tea-type instant tea with mulberry black tea powder can be mainly prepared from mulberry black tea instant tea powder mixed with different additives, thus filling the market blank of the instant tea with a single taste, greatly promoting the development of natural health-care beverage using mulberry leaves to replace tea, and having very important meaning for the development and utilization of the resource of mulberry leaves.

Visible oral cavity mouth gag

The invention relates to a visible oral cavity mouth gag, which comprises a trapezoidal elastic rubber body and a handheld handle, wherein the bottom edge surface of the trapezoidal elastic rubber body is provided with the handheld handle; the lateral surface of the opposite edges of the trapezoidal elastic rubber body is provided with an inverse v-shaped step inclined plane; and two sides of the step inclined plane are provided with baffle plates, the outer lateral surface of the trapezoidal surface of the trapezoidal elastic rubber body is provided with a slightly raised arc surface in accordance with an oral cavity buccolingual mucosa form, and the inner lateral surface of the trapezoidal surface of the trapezoidal elastic rubber body is provided with a micro electronic cavity mirror. The baffle plates, the inclined plane and the inverse v-shaped step structure are occluded and contacted tightly with buccolingual side cusps of upper and lower jaw teeth, so the retention is good; and ...

BP-neural-network-based method for performing traffic identification

The invention discloses a BP-neural-network-based method for performing traffic identification. The method comprises the steps that characteristic values are generated by obtaining simple packet header information, and the suitable characteristic values are selected from the generated characteristic values as input of a BP neural network to obtain a sample training set; afterwards, network data streams are captured in real time, and characteristics are extracted to serve as the input of the BP neural network for real-time identification. The extracted characteristic values based on a time window method have extendibility and are easy to obtain. The three-layer neural network is selected as the implementation scheme, and initialized weight values having global optimal characteristics are sought based on particle swarm optimization (PSO); a distributed and parallel netty structure is adopted for the BP neural network for training and learning, so that the fault tolerance of the BP neural ...

Social group division-based data forwarding method for delay tolerant movable social network

The invention discloses a social group division-based data forwarding method for delay tolerant movable social network. The lag tolerant movable social network is a recent study hotspot, most of the conventional data forwarding methods based on group division divide the nodes into different groups according to the meeting relationship of the nodes, and then perform pathfinding and retransmission with the help of the group; however, dividing only according to the meeting relationship of the nodes can easily classify nodes without meeting chance into the same group, and can generate a set of monotonically increasing groups. The lag tolerant movable social network data retransmission method adopts the node active geographic community and meeting relationship to perform node social group division, and then perform pathfinding and forwarding of messages, and is simple and highly practical.

Multi-view-point image super-resolution method based on deep information

The invention provides a multi-view-point image super-resolution method based on deep information. The multi-view-point image super-resolution method mainly solves the problem that in the prior art, the edge artifact phenomenon occurs when super-resolution reconstruction is conducted on a low-resolution view point image. The method includes the steps of mapping a high-resolution colored image of a view point k on the image position of a view point n according to a pinhole camera model through the deep information, related camera parameters and a backward projection method, conducting effectiveness detection based on pixel mapping relations between the joint view points of the depth differences and the color differences on the projected image, only reserving pixel points conforming to effectiveness detection so as to prevent luminance differences between different view points from influencing illumination regulation conducted on the colored image of the view point k in advance, separating ...