9 results about "Microfibril" patented technology

The invention belongs to the technical field of spectral analysis, and discloses a plant cell wall microfibril orientation polarization Raman spectrum measurement method, which comprises: 1, carrying out polarization Raman spectrum data acquisition on a sample to be measured; step 2, acquiring required data based on a data acquisition result of the polarization Raman spectrum; 3, performing nonlinear parameter fitting on the required data, obtaining an optimal parameter combination and a corresponding coefficient through a minimum error function, and performing forced symmetry post-processing on the optimal Raman tensor matrix; step 4, calculating a microfilament angle of a corresponding angle according to the symmetrical tensor parameter; in the fourth step, based on the symmetrical tensor matrix, the angle needed for rotating the tensor matrix to the main axis direction is calculated; and carrying out normalization processing on the calculated angle value. The technical problems that in the prior art, due to the fact that a nonlinear fitting algorithm is complex and prone to being affected by noise and experimental errors, the fitting convergence effect is poor, and the stability and reliability of a detection result are insufficient are solved.

This invention belongs to the field of antitumor drug delivery technology, and discloses a dual-drug sequential delivery system, a composite hydrogel, its preparation method, and its applications. This invention achieves sequential release by encapsulating a cobalt (Co)-polyphenol coordination nanozyme (CoNZ) in a hydrogel and integrating it with microfibrils loaded with chloroquine (CQ). This invention provides a promising new approach to improving the treatment of CRPC by initially inducing ROS-mediated oxidative damage, subsequently inhibiting autophagy and blocking the TLR9 / NF-κB signaling pathway, synergistically disrupting the survival mechanisms of tumor cells.

The present invention relates to a modified pulp with a moisture content of less than 15% and a certain content of microfibrils and pre-fibrillated fibres. The modified pulp can, after suspension, be used either directly or be subjected to additional refining. The present invention also relates to a method of producing a fibrous product using the modified pulp.

The application discloses a preparation method of a UV photocuring, solvent-free type nickel inner electrode paste, and specifically comprises the following steps: step 1, preparing acrylic modified cellulose microfibril; step 2, synthesizing a UV photocuring resin; step 3, synthesizing a nickel complex; step 4, preparing a nickel inner electrode paste according to the products obtained in steps 1-3; and step 5, preparing a ceramic paste according to the product obtained in step 4. The application further discloses the UV photocuring, solvent-free type nickel inner electrode paste and application thereof in multilayer ceramic capacitors. The electrode paste prepared by the application does not need to remove solvent by heating, avoids the problem of uneven solvent drying, and improves the yield and performance of devices.

The invention discloses a rice stem multi-scale mechanical simulation modeling method, device and equipment and a medium. The method comprises the following steps: selecting a second base node stem of a mature period base of a rice variety to be tested as a sample; microcosmic characteristic parameters of the sample are extracted; based on the extracted microscopic characteristic parameters, material parameter calculation is carried out based on an HP-TS equation, hemicellulose-lignin matrix equivalent calculation, cellulose-matrix composite equivalent calculation, flexibility matrix and initial stiffness matrix construction and microfibril angle correction are completed in sequence, and an engineering constant of each layer of cell wall is obtained; performing image processing on the rice stalk paraffin section; constructing a rice stem tissue three-dimensional shell finite element model based on the cellular morphology contour and topological information obtained through image processing and the cell wall engineering constants obtained through calculation, and executing finite element simulation; actual measurement data are obtained through a rice stem tensile test and compared with a finite element simulation result for verification, and rice stem multi-scale mechanical simulation modeling is completed.

The invention relates to a wet chemical metal ion purification medium, the purification medium is in the form of a microporous membrane, a chelating group is loaded on the microporous membrane to form a chelating membrane, and the IPA bubble point of the chelating membrane is 60-320 kPa; the chelating film comprises a porous body with a liquid inlet face and a liquid outlet face as boundaries and a liquid inlet skin layer located on the liquid inlet side of the porous body, the side, away from the liquid outlet face, of the liquid inlet skin layer is the liquid inlet face of the chelating film, and a non-directional zigzag channel is formed in the porous body so that the chelating film can be communicated from the liquid inlet face to the liquid outlet face. The liquid inlet surface is provided with liquid inlet holes with the average roundness coefficient R of 0.1-0.6, microfiber structures are arranged in at least part of the liquid inlet holes, at least one end of each microfiber structure is connected to the hole wall of the corresponding liquid inlet hole, and the area ratio of the liquid inlet holes in the liquid inlet surface is 10%-40%. Compared with the prior art, the chelating membrane provided by the invention has the advantages of higher flow velocity, higher filtering efficiency and higher metal ion purification effect.

The present disclosure provides microporous hollow fiber webs, including connected hollow fibers. At least some of the hollow fibers have an open celled porous structure including microfibrils that connect lamellae microstructures. Methods of making microporous hollow fiber webs are also provided. Such methods include obtaining a hollow fiber web having connected hollow fibers, and stretching the hollow fiber web in a machine direction to fracture at least a portion of the hollow fibers to generate an open celled porous structure.

The present invention addresses the problem of providing: a microfibril cellulose which has excellent dispersibility in a rubber composition; and a rubber composition which comprises the microfibril cellulose and a rubber component. The present invention also addresses the problem of providing a crosslinked rubber composition which is obtained by crosslinking the rubber composition.　The microfibril cellulose of the present invention has an average fiber width of 1 μm to 100 μm inclusive and a polymerization degree of 50 to 500 inclusive.

A shaving device includes a handle attached to a razor head carrying at least one razor blade. The handle is a molded fiber part having an elongated hollow body open on one side. The shaving device may also include reinforcing elements arranged in the elongated hollow body that forms the handle, a plurality of reinforcing ribs spaced apart from one another and traversing the elongated hollow body of the handle in a transverse direction with respect to the handle, reinforcing ribs that completely fill a U-shaped cross-section of the elongated hollow body of the handle, reinforcing ribs having a height that is significantly less than a height of the handle, and / or at least one longitudinal rib in the elongated hollow body of the handle. The molded fiber part may include a mixture of long fibers, short fibers and microfibrils. The fiber blend may have a mixture of hemp fibers.