2results about How to "Deepen cognition" patented technology

The invention relates to the technical field of application of artificial intelligence in assisted reproduction technology, and discloses an assisted reproduction multi-node clinical decision-making method based on machine learning. The method comprises the following steps: collecting sample data, obtaining sample features, and carrying out conversion and interpolation on the sample features; performing predictive variable screening on the sample features by using a Spearman correlation coefficient; dividing the data of the complete sample into a training set, a test set and a verification set according to a sample proportion of 8: 1: 1, taking a predicted variable obtained by screening as an independent variable in the training set, and taking accumulated live birth within 2 years after single egg taking as a dependent variable; respectively constructing prediction models in different decisions of four stages of a controlled ovarian stimulation scheme, a gonadotropin initiation amount and the like, and correcting to obtain prediction values; and carrying out hyper-parameter adjustment by using the test set, and comparing live birth outcomes of the crowds which accord with and do not accord with the recommendation by using the verification set. According to the method, corresponding cumulative live yield prediction can be provided for various feasible schemes, and a single optimal path is not recommended.

A dangerous water flow simulation device includes a first ramp and a first observation box, with the height difference at the outlet creating a tumbling flow. A second ramp and the second observation box are equipped with baffles, which generate vortex flows upon impact. Various obstacles are placed on the ramp, including triangular obstacles, cylindrical obstacles, left and right obstacles, angled and flat obstacles, and bottom obstacles. The triangular obstacles create an inverted V-shaped flow, the cylindrical obstacles create a smiling flow, the gap between the left and right obstacles creates a positive V-shaped flow, the angled and flat obstacles create a frowning flow, and the bottom obstacles generate bubbles. This invention simulates various dangerous water flows through the observation box, ramp, and obstacles, allowing firefighters to visually observe flow characteristics in a safe environment, improving rescue judgment and emergency response capabilities. It is suitable for water rescue training and educational demonstrations.