Abstract Background Retroperitoneal hematoma after vaginal delivery is rare but can lead to maternal morbidity Cable Clamp Grommet and mortality.Diagnosis of this condition is challenging due to its complexity and its nonspecific signs and symptoms.To date, studies and case reports regarding retroperitoneal hematoma are few, particularly in low-inc

The processing and recognition of electroencephalogram (EEG) signal is the most important part of brain-computer interface (BCI) system, and the quality of signal processing and recognition is directly related to the effectiveness of BCI system.Aiming at the problems of incomplete removal of artifacts and inadequate retention of active components i

Yaks living on the Qinghai-Tibetan Plateau for a long time have evolved a series of mechanisms to adapt to the unique geographical environment and climate characteristics of the plateau.Compared with other ruminants, yaks Toy Ponies have higher energy utilization and metabolic efficiency.This paper presents possible mechanisms responsible for the e

Through the determination of chloride and sulfate, the contents of salt and sodium sulfate Small Push Catch in natural trona ore can be obtained.At present analysis methods are inefficient, causing disadvantages, such as having a time-consuming process, easy pollution and low production efficiency.This study establishes the analysis method which de