6results about How to "No cost" patented technology

The utility model relates to the technical field of electromechanical brake, concretely relates to a moving coil type electromagnetic catapult short circuit brake system, including power supply device, A phase conducting rail, B phase conducting rail, C phase conducting rail, first switch group, second switch group, third switch group, runner coil and a plurality of stator, the A phase conducting rail, the B phase guiding rail and the C phase guiding rail are parallelly laid along the catapult track, the A phase conducting rail, the B phase guiding rail and the C phase guiding rail are divided into acceleration section and deceleration section, the A phase conducting rail, the B phase guiding rail and the C phase guiding rail of the deceleration section are short circuited through the third switch group, the utility model discloses through adopting the third switch group direct short circuit A phase conducting rail, B phase guiding rail and C phase guiding rail, can realize very fast response speed brake runner coil, has solved the technical problem such as the brake system response slow of prior art, maintenance cost is high.

A method for manufacturing molybdenum trioxide powder is provided, which can reduce material costs and decrease the environmental impact and waste costs associated with the disposal of byproducts generated during roasting. The manufacturing method includes: a first roasting step of roasting a first raw material mixture comprising a molybdenum oxide precursor compound and metal compound particles other than molybdenum compounds in a sagger; a first cooling step of generating molybdenum trioxide powder; a first crushing step of crushing a residue in the sagger containing metal oxides derived from the aforementioned metal compound particles to form first crushed particles; a second roasting step of roasting a second raw material mixture comprising a molybdenum oxide precursor compound and the first crushed particles in a sagger; a second cooling step of generating molybdenum trioxide powder; and a second crushing step of crushing a residue in the sagger containing metal oxides derived from the first crushed particles to form second crushed particles.

The invention belongs to the technical field of fermented feed, and particularly relates to a method for liquid fermentation of Maotai-flavor vinasse. The invention provides a method for fermenting Maotai-flavor vinasse by using poria cocos bacteria, which is suitable for liquid fermentation of vinasse and has high cellulase activity and good acid environment tolerance, by carrying out adaptability screening on strains and vinasse, and a liquid vinasse culture medium is inoculated with a seed solution of the poria cocos bacteria strains for fermentation culture. Furthermore, a liquid fermentation system, fermentation components and fermentation conditions are optimized, so that a cellulose barrier in the Maotai-flavor vinasse is effectively broken, and nutrient substances are released and converted; maotai-flavor vinasse resources are converted into functional protein feed which is free of pollution, low in cost and high in safety, the value and functionality of the Maotai-flavor vinasse protein feed are greatly improved, and meanwhile the Maotai-flavor vinasse protein feed can be digested and absorbed by monogastric animals more easily.

The invention discloses a section scanning electron microscope sample suitable for a metal micro guide wire and a preparation method of the section scanning electron microscope sample. Belongs to the technical field of material microscopic analysis. The preparation method comprises the following steps: fixing the metal micro guide wires by constructing conductive rigid clamps, filling conductive adhesives among the conductive rigid clamps, and arranging a plurality of metal micro guide wires among the conductive adhesives; the metal micro guide wires are exposed out of the two ends of the conductive rigid clamp by 0.5-1.5 cm; and the diameter of the metal micro guide wire is 45-500 microns. The invention provides a preparation scheme of a metal microwire section scanning electron microscope sample, which is simple to operate and does not need any large equipment, and provides a rigid and conductive support system capable of performing directional electrolytic polishing for a soft and fine metal wire on the premise of not introducing external stress, not polluting the sample and not using expensive equipment. Therefore, the scanning electron microscope samples are efficiently prepared in batches at low cost, and the high-resolution characterization requirement is met.

This utility model discloses an aphid collection device in the field of insect rearing technology, comprising an outer cylinder and a cylinder cover arranged correspondingly to each other. The cylinder cover is horizontally installed on the upper end of the outer cylinder. A rotatable inner cylinder is fitted inside the outer cylinder. A lower center seat is provided on the bottom wall of the inner cylinder. A vertical lower positioning shaft is provided at the lower end of the inner cylinder, and a vertical upper positioning shaft is provided at the upper end of the inner cylinder. An upper positioning seat is provided at the lower center of the cylinder cover. The upper positioning shaft is inserted into the upper positioning seat, and the lower positioning shaft is inserted into the lower positioning seat. A driven gear is sleeved on the outer circumference of the upper positioning shaft. A driving mechanism is provided on the cylinder cover corresponding to the driven gear. A closing mechanism is provided between the cylinder cover and the outer cylinder. This utility model aims to significantly improve the aphid collection speed and increase the collection quantity, meeting the needs of large-scale applications.