Abstract: The present disclosure provides an aromatic heterocyclic compound having property of thermally activated delayed fluorescence (TADF). The aromatic heterocyclic compound has a structure represented by Formula (I), in which X1 and X2 each is S, O, Se, or C; D is an electron donor, A is an electron acceptor; m is a number of the electron donor D, and the m electron donors D are the same or different; n is a number of the electron acceptor, and the n electron acceptors are the same or different; and m and n are 1 or 2. The aromatic heterocyclic compound provides a high luminescence efficiency. Organic light-emitting display devices including such aromatic heterocyclic compound have improved luminescence efficiency, lower cost and longer service life by using the aromatic heterocyclic compound as a light-emitting material, a host material, or a guest material.

Abstract: Disclosed is a method for removing benzo[?]pyrene from a liposoluble natural extract. The method of the present invention comprises adding a suitable solvent to a crude natural extract product so as to obtain a mixed material; heating the mixed material, stirring until uniform, cooling and layering, and then separating the upper layer from the lower layer so as to obtain a precipitate and a filtrate; washing the precipitate with a small amount of a solvent so as to obtain a washed product and a washing solution; removing the solvent from the washed product at a low temperature so as to obtain a finished product; and directly recycling the filtrate and the washing solution as solvents. The present method achieves the purification of the crude natural extract product and the removal of benzo[?]pyrene in one step, and is a novel method which is simple, highly efficient, feasible and easy for industrial applications.

Abstract: A heterocyclic compound containing heteroatom substituted fluorene is provided in the present disclosure. The heterocyclic compound includes a structure: Y1 is selected from O or S; X1, X2, X3, X4, X5, X6, X7, and X8 are independently selected from CRa or N; X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, and X24 are independently selected from CR1 or N; Ra is independently selected from hydrogen, deuterium, tritium, halogen, nitrile, cyano, nitro, hydroxyl, carbonyl, ester, carboxyl, imide, amide, C1-C20 alkoxy, C1-C20 alkyl, C3-C20 cycloalkyl, C2-C20 alkenyl, C3-C20 cycloalkenyl, silyl, boron, phosphine oxide, phosphine, sulfonyl, amine, C6-C30 aryl, C3-C30 heteroaryl, or a ring structure; Y2, and Y3 are independently selected from O, S or NR2; Ar1 and Ar2 are independently selected from aryl or heteroaryl; and R1 and R2 are independently selected from hydrogen, deuterium, C1-C20 alkyl, C6-C30 aryl, or C3-C30 heteroaryl.

Abstract: An acidic aqueous shampoo composition, which comprises: (I) a cleansing surfactant selected from the group consisting of anionic surfactant, zwitterionic or amphoteric surfactant and nonionic surfactant; (II) an emulsified silicone, (III) an anti-settling, thickening polymer, wherein the anti-settling, thickening polymer, comprises: (a) 40 to 74.5 wt % of structural units of C1-4 alkyl acrylate; (b) 20 to 50 wt % of structural units of methacrylic acid; (c) 0.

Abstract: An aqueous anti-dandruff shampoo composition which comprises: (I) a cleansing surfactant selected from the group consisting of anionic surfactant, zwitterionic or amphoteric surfactant and nonionic surfactant; (II) suspended particles of an anti-dandruff agent, (III) an anti-settling, thickening polymer, wherein the anti-settling, thickening polymer, comprises: (a) 40 to 74.5 wt % of structural units of C1-4 alkyl acrylate; (b) 20 to 50 wt % of structural units of methacrylic acid; (c) 0.

Abstract: A processing apparatus and video encoding method are provided which include receiving a portion of a video sequence and determining complexities for blocks of pixels of the portion of the video sequence. Quantization parameter values for corresponding blocks of pixels are selected based on complexities of the corresponding blocks and visually perceived coding artifacts of the corresponding blocks produced by the quantization parameter values. The blocks of pixels are encoded, using the selected quantization parameter values. The blocks of pixels are decoded and the portion of the video sequence is provided for display.

Abstract: Methods and apparatus provide cloud-based video encoding that generates encoded video data by one or more encoders in a cloud platform for a plurality of cloud encoding sessions. The methods and apparatus generate operational improvement tradeoff data in response to operational encoding metrics associated with the one or more encoders and change operational characteristics of the one or more encoders for at least one of the cloud encoding sessions based on the operational improvement tradeoff data.

Abstract: A method of alarm of a screw-locking error includes retrieving a confidence interval of screw-locking parameter data of different screw specifications, setting locking parameter data of a screw-locking process according to a range of the confidence intervals, acquiring locking parameter data in real time, collating the acquired locking parameter data, analyzing the collated locking parameter data to obtain normal locking parameter data and abnormal locking parameter data, and analyzing the abnormal locking parameter data to obtain an error type of each abnormal locking parameter data. The abnormal locking parameter data and the corresponding error type of the abnormal locking parameter data are reported.

Abstract: An engine and a double-swirl mixing device thereof are provided. The double-swirl mixing device includes a mixing tube configured to mix exhaust gas with urea, a tapered mixer including a tapered tube having an outlet end extending into the mixing tube, and a plurality of tapered swirl plates which are arranged along a circumferential direction on a side wall of the tapered tube, and a fan-type blade arranged at the outlet end of the tapered tube, and a diameter of an inlet end of the tapered tube is smaller than a diameter of the outlet end of the tapered tube.

Abstract: A nondestructive testing method for detecting and distinguishing internal and external defects of a wire rope includes: acquiring a magnetic flux signal and a MFL signal of a detected wire rope; preprocessing the magnetic flux signal and the MFL signal of the detected wire rope; comparing a preprocessed magnetic flux signal and a preprocessed MFL signal with a preset magnetic flux signal threshold and a preset MFL signal threshold respectively, and calculating a defect position; extracting a magnetic flux signal of a defect and an MFL signal of the defect based on the defect position; calculating a defect width of the detected wire rope based on the magnetic flux signal of the defect and the MFL signal of the defect; calculating a defect cross-sectional area loss of the detected wire rope based on the defect width; and determining whether the defect is the internal defect or the external defect.

Abstract: In one example, an apparatus is provided. The apparatus comprises an image sensor configured to generate a first raw output to represent a first intensity of incident light based on a first relationship, and to generate a second raw output to represent a second intensity of incident light based on a second relationship. The apparatus further comprises a post processor configured to: generate a first post-processed output based on the first raw output and based on the first relationship such that the first post-processed output is linearly related to the first intensity based on a third relationship, and to generate a second post-processed output based on the second raw output and based on the second relationship such that the second post-processed output is linearly related to the second intensity based on the third relationship.

Abstract: Disclosed is a method for inducing direct reprogramming of urine cells into renal progenitor cells and a pharmaceutical composition including the renal progenitor cells reprogrammed by the method for preventing or treating renal cell injury disease. The method can make the mass production of customized reprogrammed renal progenitor cells by using urine cells, which are somatic cells easily and repeatedly obtainable without inconvenience and pain and as such, can be applied to incurable disease fields expandable to the renal injury therapy and kidney regeneration fields and to the production of cell therapy products.

Abstract: The present disclosure provides a compound used as the CPL material. The compound has a structure as shown in chemical formula I, in which L1 is selected from the group consisting of a substituted or unsubstituted C6-C30 arylene, C3-C30 heteroarylene, a substituted or unsubstituted C10-C60 fused arylene, and a substituted or unsubstituted C10-C60 fused heteroarylene; Ar1 is selected from the group consisting of a substituted or unsubstituted C6-C30 arylene, C3-C30 heteroarylene, a substituted or unsubstituted C10-C60 fused arylene, and a substituted or unsubstituted C10-C60 fused heteroarylene; n is 1 or 2, and when n is 2, the two Ar1 are identical or different; R1, R2, R3 and R4 are each independently selected from the group consisting of hydrogen, and a substituted or unsubstituted aryl or fused aryl, R1 and R2 are optionally bonded to form a ring, and R3 and R4 are optionally bonded to form a ring.

Abstract: The disclosure relates to the technical field of organic electroluminescent materials, and particularly to a compound and an organic light emitting display device. The compound has structure shown as formula (I): where D represents an electron donor unit, A represents an electron acceptor unit, in and n are each independently selected from 1, 2 or 3, and m+n?4. When the compound of the present disclosure is used as a light emitting material, a guest material, or a host material of an organic light emitting display device, higher light emitting efficiency can be achieved.

Abstract: The present disclosure relates to a compound, an organic electroluminescent device, and a display device. The compound has a structure of formula (I) X is selected from a C atom, a Si atom, a B atom, or a P atom; Y1 to Y4 are each independently selected from a C atom or an N atom; A and B are each independently selected from any one or more of a substituted or unsubstituted C6-C40 aryl group and a substituted or unsubstituted C4-C40 heteroaryl group; R1 is selected from carbonyl, C1-C9 alkyl, a substituted or unsubstituted C6-C18 aryl group, and a substituted or unsubstituted C4-C30 heteroaryl group; and R2 and R3 are each independently selected from any one of a C1-C9 alkyl group, a substituted or unsubstituted C6-C18 aryl group, and a substituted or unsubstituted C4-C30 heteroaryl group, and n is selected from 0 or 1.

Abstract: Compositions comprising apple, grape, green tea, and olive extracts are presented herein. This synergistic formulations apple, grape, green tea, and olive extract are in amounts that provide a greater antioxidant activity or protein kinase modulating activity than provided by an equivalent amount of any one extract or a sum of the extracts. Further presented are methods of regulating oxidative stress, disease-associated protein kinase activity, and enhancing the therapeutic effect of a primary therapeutic agent. Also presented are methods of making an activity enhancing composition for regulating oxidative stress, disease-associated protein kinase activity, and enhancing the therapeutic effect of a primary therapeutic agent.

Abstract: Provided are an organic compound and an application thereof. The compound has a relatively deep LUMO energy level and can reduce a potential barrier of electron transport, improve an electron injection ability, and effectively reduce the voltage of an OLED device. Such compounds all have relatively deep HOMO energy levels and can effectively block holes so that more holes and electrons are recombined in a light-emitting region, achieving higher luminescence efficiency. Materials of an electron transport layer and/or a hole blocking layer suitable for the OLED device can reduce the voltage and power consumption, improve the luminescence efficiency, and extend the service life of the device so that the OLED device has better comprehensive performance.

Abstract: Provided are an organic compound and use thereof. The organic compound has a structure shown in Formula I. Through molecular structure design, the organic compound is endowed with suitable HOMO and LUMO energy levels, which is conducive to matching energy levels of compounds in adjacent layers and achieving efficient exciton recombination. The organic compound has small overlap of HOMO/LUMO energy level, high singlet energy level ES, high triplet energy level ET and small energy level difference ?EST, which is conducive to reverse intersystem crossing and achieving higher luminescence efficiency. The organic compound molecule has high stability and low stacking degree, which is conducive to reducing concentration quenching and has excellent thermal and film stability. The organic compound is suitable as TADF materials, which is use for OLED devices, conducive to preparing OLED devices, can improve luminescence efficiency and stability of devices, reduce turn-on voltage and extend lifetime of devices.

Abstract: An encoding method is provided which includes receiving a plurality of images, obtaining values of elements in a portion of the images, sorting the elements according to different values of the elements, sorting the elements according to a number of occurrences of the different values and encoding the elements using a subset of the different values having corresponding numbers of occurrences that are higher than corresponding numbers of occurrences of other values. Examples also include a processing device and method for use with palette mode encoding in which the elements are a portion of pixels in images and the values are color values of the portion of pixels in the images.

Abstract: An organic compound, a display panel, and a display apparatus are provided. The organic compound has a structure represented by Chemical Formula 1, in which R1 to R8 are each independently selected from hydrogen, substituted or unsubstituted C6-C18 aryl, pyridyl, quinolyl, C1-C16 alkyl, C1-C16 alkoxy, hydroxyl, and carboxyl; m, n, x and y each independently represent 0 or 1, where m+x?1, n+y?1, m+n?1, and x+y?1; L1 and L2 are each independently selected from substituted or unsubstituted C6-C30 arylene, substituted or unsubstituted C5-C30 heteroarylene, substituted or unsubstituted C1-C8 alkylene, and substituted or unsubstituted C1-C8 alkyleneoxy; Ar1 and Ar2 each independently have a structure shown in Chemical Formula 2, in which R21 to R27 are each independently selected from hydrogen, substituted or unsubstituted C6-C18 aryl, pyridyl, quinolyl, C1-C16 alkyl, C1-C16 alkoxy, hydroxyl, and carboxyl.