摘要：
The invention discloses a diameter measurement method based on a shear ruler. In the method, diameter measurement is achieved through the shear ruler (1), a straight ruler and a protractor (4); the first end of the straight ruler is connected with the hinging point A of the shear ruler, and the second end of the straight ruler is used for making contact with the surface of a measured object which is cylindrical. The method includes the measurement steps that 1, the shear ruler is opened, wherein the opening direction is perpendicular to the axial direction of the measured object; 2, the second end of the straight ruler is made to abut against the surface of the measured object, and the two arms of the opened shear ruler are made to clamp the measured object; 3, data is read, wherein the read data includes angle data measured by the protractor; 4, the diameter is calculated, wherein the diameter phi of the measured object is obtained through calculation based on the length of the straight ruler and the opening angle of the straight ruler measured by the protractor. The diameter measurement method based on the shear ruler is ingenious in concept, easy to implement and capable of achieving automatic diameter measurement.
摘要：
The present invention discloses a method for rapidly screening a raw material used to make a rice product. The method comprises the following steps: (1) collecting a representative rice sample; (2) determining physical and chemical indicators of different varieties of rice raw materials; (3) processing the different varieties of rice raw materials into rice products; (4) for a feature of each variety of rice products, establishing a multi-level evaluation indicator factor set of quality of rice products, and obtaining a weight of each evaluation indicator by analytic hierarchy process; (5) determining a degree of membership of each evaluation factor and constructing a fuzzy evaluation matrix; (6) by adopting a fuzzy matrix compound operation, obtaining a fuzzy comprehensive evaluation value; (7) by regression analysis, obtaining a mathematical model between a comprehensive evaluation value of rice products and a characteristic of raw materials; and (8) by using the mathematical model, predicting suitability of the different varieties of rice raw materials for being processed into rice products. By adoption of the method disclosed by the present invention, the suitability of the different varieties of raw materials for being processed into rice products can be calculated quantitatively, so as to support scientific utilization of raw materials.
摘要：
The invention belongs to the technical field of preparation of a mesoporous carbon material and environment protection, and discloses an efficient adsorption mixed material of ampicillin and application of the efficient adsorption mixed material. Triblock polyether F-127 is adopted as a template agent, phloroglucinol/formaldehyde are adopted as a carbon precursor, phenolic resin formed by phloroglucinol and formaldehyde under a certain condition is regarded as a carbon source, and polymerization of phenols and formaldehyde mainly refers to protonation of formaldehyde and an electrophilic substitution reaction of phenols; under a strong acidic condition, phenols or cross-linked phenols and polyoxyethylene sections in a triblock copolymer are all easily protonized, in this way, the polymerization speed of phenolic resin can be increased, and organic-organic self-assembly between phenolic resin and triblock copolymer can also be completed with the assistance through a Coulomb's effect; an ordered mesoporous carbon material is synthesized through an organic-organic self-assembly, the ordered mesoporous carbon material is fully mixed with chitosan, and the prepared efficient adsorption mixed material is used for efficient adsorbing and removing of antibiotics in wastewater; the efficient adsorption mixed material can be easily produced in large scale, and is good in adsorption effect.
摘要：
The invention discloses an extraction and separation purification method for total alkaloids in zanthoxylum dissitum hemsl. The extraction and separation purification method has the advantages that extraction and separation purification of the total alkaloids in the zanthoxylum dissitum hemsl are optimized by the aid of response processes, the extraction and separation purification method is speedy and economical, extraction and preparation technologies for the total alkaloids in the zanthoxylum dissitum hemsl can be improved and are efficient and speedy as compared with reported extraction technologies, and products are high in purity.
