35results about How to "Split implementation" patented technology

A process for preparing (R)-2-methylbutanoic acid and (R)-2-methylbutanoic acid ethyl ester via lipase resolution belongs to the technical field of resolution of racemic compounds by a biological method. The process of the invention includes two steps: the first step is to realize resolution of (R)-2-methylbutanoic acid ethyl ester via selective hydrolysis reaction catalyzed by lipase, and a second step includes utilizing (R)-2-methylbutanoic acid ethyl ester which is residual substrate obtained in the first step to perform a second selective hydrolysis reaction catalyzed by the lipase to realize resolution of the (R)-2-methylbutanoic acid, thereby finally obtaining the (R)-2-methylbutanoic acid ethyl ester with ee value of 95.0% and the (R)-2-methylbutanoic acid with ee value of 92.2%, and realizing resolution of the (R)-2-methylbutanoic acid and the (R)-2-methylbutanoic acid ethyl ester thereof which is difficult in resolution by the biological method and is seldom researched.

The invention discloses a drug splitting device. The drug splitting device comprises an upper cover and a lower cover. One end of the upper cover is hinged to the lower cover, a blade is arranged on the lower surface of the upper cover, a drug containing table matched with the blade is arranged on the lower cover, a flexible baffle is arranged between the upper cover and the lower cover, and a baffle sliding chute is formed in the lower surface of the upper cover. The blade is arranged at the bottom of the baffle sliding chute, the flexible baffle is an elastic L-shaped plate, the horizontal end and the vertical end of the L-shaped plate are connected through an arc, the horizontal end of the flexible baffle is fixed to the lower cover, and the vertical end of the flexible baffle is sleeved with the baffle sliding chute in a slideable mode. According to the drug splitting device, the flexible baffle can restore elasticity and move forwards along the baffle sliding chute when the upper cover is opened, the blade is hidden behind the flexible baffle, and therefore operating safety is guaranteed.

The invention discloses a machine-mounted splitting machine. The machine-mounted splitting machine comprises a track base, a rotating table, a bearing combination, a hydraulic system, a storage battery, a high-power capacitor and a control panel, the bearing combination is connected with the track base through the rotating table, a supporting table plate is arranged on the track base, the hydraulic system, the storage battery, the high-power capacitor and the control panel are all arranged on the supporting table plate, the bearing combination comprises a turnover counterweight box, a movablebearing frame and a splitting combination, and a rotating shaft and a rotating plate are arranged on the turnover counterweight box. The current in a magnetic induction coil is increased through explosive blasting in a magnetic flux compressing mode, the current is conducted into a virtual cathode tube, high-frequency electric waves are generated in a resonance mode, finally, a microwave antenna transmits electromagnetic pulse waves in the designated direction to impact and push a wedge block to realize the splitting function, through the method, powerful impact force can be generated instantly, and stone can be directly disengaged.

The invention discloses a depth map compression method, device and system and a storage medium, which are used for enabling a depth map to be directly compressed through two-dimensional coding equipment and further enabling the compressed depth map to be convenient for network distribution. The method comprises the following steps: acquiring a to-be-compressed depth map; obtaining all pixel points in the depth map; determining a concentrated area of information entropies of all the pixel points; splitting the depth image according to the concentrated area, splitting all pixel points contained in the concentrated area into main images, and splitting all pixel points contained outside the concentrated area into auxiliary images; and respectively inputting the information corresponding to the main image and the auxiliary image into two-dimensional coding equipment for coding, so that the two-dimensional coding equipment outputs a video code stream corresponding to the depth image. By adopting the scheme provided by the invention, the depth map can be split based on the condition of the concentrated area of the information entropy, so the plurality of split depth maps can be directly compressed through the two-dimensional coding equipment, and network distribution is facilitated.

The invention discloses a ready-to-disassemble and ready-to-assemble connecting structure for a headboard and a bedstead, comprising the headboard and the bedstead. The headboard and the bedstead are connected through a connecting mechanism; the connecting mechanism comprises a connecting piece fixedly connected to the middle of the bedstead; a pressing piece penetrating through the headboard is sleeved with the connecting piece; clamping grooves are formed in the two sides of the connecting piece; and buckles connected with the clamping grooves are arranged on the two sides of the pressing piece. In the invention, when the headboard and the bedstead are detached, a bolt is rotated to drive a baffle to rotate to a horizontal position, the pressing piece is pressed inwards to enter the connecting piece, and meanwhile, the pressing piece drives a special-shaped sliding groove to move relative to a sliding block, so that the sliding block is hooked with a positioning bulge, the pressing piece is positioned, and the pressing piece is separated from the headboard, then the connection of a fixing mechanism is released, so that the bed head plate and the bed frame are separated, a tool is not needed, the bed head plate can be conveniently and instantly disassembled when a patient is moved by medical personnel, and disassembly and assembly are convenient.

The invention discloses a preparation method and application of a multi-mode and multifunctional molecular cage high performance liquid chromatography stationary phase. The novel molecular cage RCC3-R bonded silica gel stationary phase is prepared by covalently bonding RCC3-R to the surface of silica gel through a ring-opening chemical reaction of a secondary amino group of RCC3-R and an epoxy group of 3-(2, 3-epoxypropoxy) propyltrimethoxysilane under an alkaline condition. The prepared stationary phase has four separation modes of normal phase, reverse phase, ion exchange and hydrophilic chromatography; the compound shows excellent separation and analysis performance for resolution of chiral compounds (alcohols, naphthol and flavanone) and separation of achiral compounds (benzene naphthenic base homologues, polybenzene rings, phenols, aromatic amines, sulfonamides, acids and nucleosides) with a wide polarity range, and can make up for the defects of single-mode chromatography in complex sample analysis. The method has the remarkable advantages of simple and environment-friendly preparation process, high separation selectivity, good repeatability and the like, and has good popularization and application prospects.

The embodiment of the invention relates to the technical field of fluorescence spectrum detection, and discloses a multiple fluorescence detection spectrum splitting method and device, equipment, a medium and a system. The method comprises the steps: receiving collected fluorescence intensity of each fluorescence channel; decomposing the fluorescence intensity of each fluorescence channel; selecting the fluorescence intensity of each dye in one fluorescence channel as the reference fluorescence intensity of each dye, and determining the fluorescence intensity of each dye in each fluorescence channel by using the reference fluorescence intensity; calculating the reference fluorescence intensity of each dye according to the fluorescence intensity of the selected at least m fluorescence channels; and determining the fluorescence intensity of each dye in each fluorescence channel based on each reference fluorescence intensity. According to the embodiment of the invention, on the basis of measured values of multiple excitation and multiple emission channels, heterozygous spectral signals generated when different fluorescent dyes are simultaneously detected can be split into original spectra of single dyes; and single fluorescence signal resolution during joint detection of multiple fluorescent dyes is realized.

The invention discloses a pallet and carton stacking device and a stacking method thereof. The stacking device comprises a carton supplier for supplying cartons, a first conveying line for conveying pallets and a second conveying line, wherein one end of the first conveying line is arranged near the carton supplier; the conveying surface of the first conveying line is positioned under a carton outlet of the carton supplier, and is provided with a hollow area; the second conveying line is positioned in the hollow area, and is arranged near the carton outlet of the carton supplier; in a first state, the conveying surface of the second conveying line is lower than the conveying surface of the first conveying line; and in a second state, the conveying surface of the second conveying line is higher than the conveying surface of the first conveying line, and the top surfaces of pallets thereon are lower than the bottom surface of the carton outlet of the carton supplier. The pallets are conveyed through the first conveying line, are hoisted through lifting of the second conveying line to bear cartons, and are conveyed to the external through the second conveying line; and the stacking device is simple in structure and easy to realize, and effectively improves the stacking efficiency of the pallets and the cartons.

The invention provides a thermal expansion casing pipe shackle method and device. The method comprises the steps that the to-be-split position of a casing pipe is continuously heated in the casing pipe, and the ends of two pipe bodies at the to-be-split position of the casing pipe and a coupling connecting the two pipe bodies are heated to the same temperature; shackle torque is applied to the casing pipe at a wellhead; the to-be-split position of the casing pipe is cooled in the casing pipe, the temperature of the two pipe bodies is lower than that of the coupling, and gaps are generated between the two pipe bodies and the coupling; and under the effect of the shackle torque, one of the two pipe bodies is screwed and split from the coupling, and shackle of the casing pipe is completed. The device is used for implementing the method. The characteristic of thermal expansion and cold contraction of metal is effectively utilized, the gaps are generated between the two pipe bodies and the coupling, at the moment, any one of the two pipe bodies at the to-be-split position of the casing pipe can be rapidly separated from the coupling through the shackle torque applied to the casing pipe through the wellhead, and the casing pipe is split.