4results about How to "Avoid performance differences" patented technology

The present application belongs to the technical field of traditional Chinese medicine, and specifically discloses a traditional Chinese medicine composition for treating children's functional dyspepsia, a preparation method and application thereof. The traditional Chinese medicine composition is prepared from the following raw medicinal materials by weight: Fructus Aurantii Immaturus 5-20 parts, Magnolia officinalis 5-20 parts, Forsythia suspensa 5-30 parts, Dendrobium 5-30 parts, Atractylodes macrocephala 5-20 parts, and Glycyrrhiza 5-30 parts. The pharmacological experiment results show that the traditional Chinese medicine composition has the effects of improving gastrointestinal motility and regulating gastrointestinal hormone secretion, has a significant therapeutic effect on children's functional dyspepsia, has stable curative effect, and has a small dosage. Meanwhile, the present application has the advantages of simple process operation, low cost, good controllability and stability, and is suitable for industrialized mass production.

The utility model relates to cross -film self -adhesion waterproof roll material technical field, concretely is a kind of cross -film self -adhesion waterproof roll material production equipment, it includes production table, preheating tensioning mechanism, cooling mechanism and sliding block: preheating tensioning mechanism is set in the end of production table;Cooling mechanism is set in the top of workbench;Sliding block is slidably arranged on preheating tensioning mechanism.The utility model is through the setting of winding assembly and preheating tensioning mechanism, motor one is rotated winding by winding roller and is rolled, motor two drives the air in preheating roller to flow quickly to thus accelerate the preheating of preheating roller, spring two and spring three can be according to the size of roll material adjust the position of pressing plate and preheating roller, like this can ensure that roll material keeps flat in production process, avoid the wrinkle, deformation or thickness uneven caused by slackening, to improve the appearance quality and size precision of roll material, and make roll material base material and glue layer heat consistent, avoid the performance difference caused by local overheating or supercooling.

The present application relates to the technical field of fuel cell, and discloses a fuel cell stack, which comprises a gas port end plate, a stack core, a blind end plate, a power supply, a plasma pipeline and a main controller, the gas port end plate, the stack core and the blind end plate are stacked in sequence, a plurality of plasma working cavities are arranged in the gas port end plate and the blind end plate, a plurality of electrodes which are mutually insulated and independently work are arranged on the inner wall of the plasma working cavities, the electrodes are connected with the power supply, a pressure sensor is arranged on the inner wall of the plasma working cavities, a plurality of temperature sensors are arranged on the outer wall of the plasma working cavities, each plasma working cavity is connected with the plasma pipeline, the plasma pipeline is connected with a hydrogen outlet pipeline of the stack through a three-way valve, and the main controller controls the opening of the three-way valve, the opening of a flow controller, and the output voltage and current of the power supply. The present application solves the problem of poor low-temperature performance of single cell at the end plate and improves the hydrogen utilization rate.

This invention belongs to the field of functional materials and gas sensing, specifically disclosing a method for preparing a bismuth ferrite gas sensor and its application. The method employs gradient annealing, placing the bismuth ferrite sample in a series of atmospheres with continuously increasing oxygen partial pressures, ranging from zero oxygen partial pressure to 100% oxygen partial pressure. The oxygen vacancy concentration, ferroelectric domain order, and gas-sensing performance of the sample after annealing are measured, establishing a correlation between oxygen partial pressure, oxygen vacancy concentration, ferroelectric domain order, and gas-sensing performance, thereby improving the gas-sensing properties of the material. This invention also provides the application of this method in the preparation of bismuth ferrite gas sensors. The above method can maximize the sensor's sensitivity.