Abstract: An embodiment of the present application provides a redundant electric power steering apparatus including: a first circuit board and a second circuit board configured to control the motor; where the first circuit board and the second circuit board are stacked along a direction parallel to the end face of the casing of the motor; the first circuit board is provided with a plurality of control units; the second circuit board includes a plurality of redundant parts; the plurality of redundant parts are on the same plane; each redundant part is respectively connected to the first circuit board in a bending manner.

Abstract: A self-crosslinking recombinant humanized collagen polymer biomaterial and a preparation method therefor are provided. A collagen self-assembled element includes (i) at least 21 consecutive amino acids at the C-terminus of the amino acid sequence as shown in SEQ ID NO: 1; or an amino acid sequence that is obtained by means of substitution, deletion or addition of one or more amino acids in the amino acid sequence as described in (i) and that retains the function of promoting the self-crosslinking of recombinant type III humanized collagen to form a triple helix structure; or an amino acid sequence that has at least 90%, 92%, 95%, 96%, 97%, 98% or 99% identity to the amino acid sequence as described in (i) and that retains the function of promoting the self-crosslinking of recombinant type III humanized collagen to form a triple helix structure.

Abstract: An object of the present invention is to provide a pigment composition that is suitable as an IJ ink and has high dispersion stability and excellent storage stability, a coloring agent containing the pigment composition, and, in particular, an IJ ink. The pigment composition of the present invention contains a quinacridone pigment and a compound represented by formula (I) below. In formula (I), n represents an integer of 1 to 8. At least C.I. Pigment Red 122 is preferably contained as the quinacridone pigment.

Abstract: The present application provides a preparation method for biosynthesis of a human body structural material. A polypeptide has the amino acid sequence of SEQ ID NO. 4, 5 or 6. Recombinant type-VII humanized collagen prepared in the present application has high activity of promoting cell proliferation and does not produce an immune response when applied to a human body, and the preparation method therefor is novel and can obtain the recombinant type-VII humanized collagen on a large scale, and is widely applied in the preparation of human body structural materials.

Abstract: The present disclosure provides an impact-resistant multi-cutting-edge diamond compact, comprising a cylindrical cemented carbide substrate (102) and a diamond composite layer (101) being disposed at a top end of the cemented carbide substrate, wherein at least two sections of different chamfers (103, 104) are provided on a circumferential edge of a top end of the diamond composite layer (101), forming different cutting edges, the different cutting edges comprise at least one section of main cutting edge (103) and a section of impact-resistant cutting edge (104; 106) provided on each of two sides of the main cutting edge (103), a cutting performance of the main cutting edge (103) is better than that of the impact-resistant cutting edge (104; 106). According to the present disclosure, the compact has good cutting performance and side impact resistance on a gravel stratum, thereby prolonging the service life of the compact.

Abstract: Provided is collagen and uses thereof. Collagen includes an N-terminal sequence and a C-terminal sequence, wherein the N-terminal sequence includes one or more repeating units, and the repeating unit includes an amino acid sequence shown in SEQ ID NO. 15. The recombinant type II humanized collagen prepared by the present invention has high activity in promoting cell adhesion, does not produce an immune response when applied to the human body, can be obtained on a large scale, and is expected to be widely used in the field of cartilage repair.

Abstract: The present disclosure provides a method and system for high-precision localization of a surface of an object, the method including making marks with a pre-set distribution density on the surface of the object; photographing the marked object and numbering the marks in the image; acquiring relative position information about each mark on the surface of the object and establishing a corresponding relationship between mark numbers and mark position information; acquiring a real-time to be-measured image and detecting marks in the real-time to-be measured image; and calculating to obtain a position of the surface of the object corresponding to the current real-time to be-measured image. The system includes a mark making module, a numbering module, a mark position relationship module, a to-be measured image module and a physical quantity calculation module.

Abstract: Disclosed in the present invention are a recombinant type-I humanized collagen polypeptide, and a preparation method therefor and the use thereof. The recombinant type-I humanized collagen polypeptide provided by the present disclosure comprises n repeats of a sequence as shown in SEQ ID NO: 1, wherein n is an integer greater than or equal to 1; the repetitive sequences are directly linked when n is an integer greater than or equal to 2; and optionally, the N-terminus of the recombinant type-I humanized collagen polypeptide contains an amino acid sequence capable of being cleaved off by the TEV protease. The recombinant type-I humanized collagen polypeptide provided by the present disclosure has an activity of promoting cell adhesion, the recombinant protein has an amino acid sequence selected from the amino acid sequence of natural collagen and does not generate immune response when applied to the human body, the preparation method therefor is simple, and high-yield collagen can be obtained at a low cost.

Abstract: Provided herein is a method of biosynthesizing human body structural material type IV collagen. Provided herein is a recombinant collagen including the sequence represented by SEQ ID NO: 1, etc. The recombinant collagen of the present application exhibits excellent cell-adhesion activity. The method of the present application utilizes genetic engineering techniques to produce the recombinant collagen, thereby overcoming the drawbacks of the prior art.

Abstract: Provided is a method for biosynthesis of a human body structural material type-VIII collagen. Also provided is a collagen, comprising one or more repeating units, wherein the repeating units are connected directly or by means of linkers, and each repeating unit comprises an amino acid sequence selected from the group consisting of SEQ ID NO: 1, 4, 7, 10, 13, 16, 19, 22, 25 or 28, or a variant thereof. The collagen can be used for biological dressings, human body bionic materials or plastic surgery materials. According to the method, the type-VIII collagen is produced by utilizing a genetic engineering technology, thereby overcoming the defects in the prior art.

Abstract: Provided are a fusion protein and use thereof. Provided is a fusion protein, comprising a trimerization block and an immunogenic block which are connected by a linker, wherein the trimerization block comprises one or more of repeat units set forth in SEQ ID NO. 1; the immunogenic block is an immunogenic protein of a pathogen, for example, being selected from a coronavirus RBD block, an HIV membrane protein or an influenza virus hemagglutinin protein, and immunogenic fragments thereof. Compared with an immunogen monomer, the trimer can generate a higher neutralizing antibody level, does not induce a strong antibody against the trimerization block in a human body, and can promote the immune response of the organism to be focused on the immunogenic block.

Abstract: Polypeptides and uses thereof are provided. The polypeptide includes an N-terminal sequence and a C-terminal sequence, wherein the N-terminal sequence includes one or more repeating units including the amino acid sequence shown in SEQ ID NO. 1. The use of a human structural material for tissue filling and augmentation is provided in the present disclosure, which is expected to have a wide range of applications in the fields such as breast augmentation, rhinoplasty and mid-face filling as it does not require transplantation from the human body, yet has the natural advantages of using human tissue for filling.

Abstract: Disclosed in the present invention is a preparation method for a biosynthetic human body structural material. The present invention provides a recombinant humanized collagen type IV, the amino acid sequence thereof comprising n repetitive sequences, the n being an integer greater than or equal to 1, and the repetitive sequences being functional region sequences of native human collagen type IV The present invention provides the amino acid sequence of the recombinant humanized collagen type IV capable of being correctly expressed in vitro and biosynthesis thereof is successfully performed in vitro. The amino acid sequence of said protein is derived from the native human collagen type IV and does not cause adverse immune reactions when the protein is applied to a human body; in addition, compared with commercial humanized collagen, the recombinant humanized collagen type IV prepared by the present invention has a higher cell adhesion effect.

Abstract: The present disclosure provides an impact-resistant multi-cutting-edge diamond compact, comprising a cylindrical cemented carbide substrate (102) and a diamond composite layer (101) being disposed at a top end of the cemented carbide substrate, wherein at least two sections of different chamfers (103, 104) are provided on a circumferential edge of a top end of the diamond composite layer (101), forming different cutting edges, the different cutting edges comprise at least one section of main cutting edge (103) and a section of impact-resistant cutting edge (104; 106) provided on each of two sides of the main cutting edge (103), a cutting performance of the main cutting edge (103) is better than that of the impact-resistant cutting edge (104; 106). According to the present disclosure, the compact has good cutting performance and side impact resistance on a gravel stratum, thereby prolonging the service life of the compact.

Abstract: A resistance gene TaCAT to FCR of wheat and an application thereof are provided, which relates to the field of biological genetic engineering technologies. The nucleotide sequence of a genome where the TaCAT gene is located, the nucleotide sequence of a cDNA, the nucleotide sequence of a CDS and a coded protein sequence are respectively as shown in SEQ ID NO: 1, SEQ ID NO: 2, SEQ ID NO: 3 and SEQ ID NO: 4. An InDel marker is developed for identifying different allelotypes of the TaCAT gene. An application of the TaCAT gene for preparation of transgenic plant cells and plant breeding is provided. The molecular genetic basis of the resistance to FCR is disclosed, an important role is played in improving the resistance to FCR by utilizing a genetic engineering technology, and a new way is provided for breeding a new wheat variety with disease-resistance and safety.

Abstract: Provided are a fusion protein and use thereof. Provided is a fusion protein, comprising a trimerization block and an immunogenic block which are connected by a linker, wherein the trimerization block comprises one or more of repeat units set forth in SEQ ID NO. 1; the immunogenic block is an immunogenic protein of a pathogen, for example, being selected from a coronavirus RBD block, an HIV membrane protein or an influenza virus hemagglutinin protein, and immunogenic fragments thereof. Compared with an immunogen monomer, the trimer can generate a higher neutralizing antibody level, does not induce a strong antibody against the trimerization block in a human body, and can promote the immune response of the organism to be focused on the immunogenic block.

Abstract: A computer vision processor of a camera generates hyperzooms for persons or vehicles from image frames captured by the camera. The hyperzooms include a first hyperzoom associated with the persons or vehicles. The computer vision processor tracks traffic patterns of the persons or vehicles while obviating network usage by the camera by predicting positions of the persons or vehicles using a Kalman Filter from the first hyperzoom. The persons or vehicles are detected in the second hyperzoom. The positions of the persons or vehicles are updated based on detecting the persons or vehicles in the second hyperzoom. The first hyperzoom is removed from the camera. Tracks of the persons or vehicles are generated based on the updated positions. The second hyperzoom is removed from the camera. Track metadata is generated from the tracks for storing in a key-value database located on a non-transitory computer-readable storage medium of the camera.

Abstract: An injectable hydrogel for heart failure treatment with myocardial tissue repair function and its preparation method and use are disclosed. The hydrogel is prepared by chelating alginic acid and multivalent cations. The hydrogel is loaded with an active substance for repairing cardiac injury. The active substance is recombinant humanized collagen type III. The hydrogel is administrated into the left ventricle free wall by transendocardial injection. Implanting the hydrogel in the myocardium can increase the thickness of the left ventricular wall, adjust the stress of the ventricular wall, affect the morphology of the left ventricle, and prevent or reverse left ventricular enlargement. Further, the hydrogel is loaded with a new recombinant humanized collagen material that has the function of repairing cardiac tissue injury to further improve cardiac function and promote cardiac repair.

Abstract: The present application provides a preparation method for biosynthesis of a human body structural material. A polypeptide has the amino acid sequence of SEQ ID NO. 4, 5 or 6. Recombinant type-VII humanized collagen prepared in the present application has high activity of promoting cell proliferation and does not produce an immune response when applied to a human body, and the preparation method therefor is novel and can obtain the recombinant type-VII humanized collagen on a large scale, and is widely applied in the preparation of human body structural materials.

Abstract: Provided is collagen and uses thereof. Collagen includes an N-terminal sequence and a C-terminal sequence, wherein the N-terminal sequence includes one or more repeating units, and the repeating unit includes an amino acid sequence shown in SEQ ID NO. 15. The recombinant type II humanized collagen prepared by the present invention has high activity in promoting cell adhesion, does not produce an immune response when applied to the human body, can be obtained on a large scale, and is expected to be widely used in the field of cartilage repair.