As the final executor of the braking system of coal mine hoists, the disc brake directly affects the safety and reliability of mine hoists.Aimed to the problem of failure of hoist disc brake, according to its structural characteristics and functional requirements, this article proposes a disc brake that monitors positive brake pressure in real time
A spontaneous tracheal rupture is rare and life-threatening.We postulate that long-term steroid administration is an under-reported risk factor.We present a case of an 3282770208962 impending spontaneous tracheal rupture in a 51-year-old female with a significant medical history of systemic lupus erythematosus and interstitial lung disease, and a d
Proanthocyanidins (PAs) are the major israil iphone 14 pro max component of phenolics in apple, but mechanisms involved in PA biosynthesis remain unclear.Here, the relationship between the PA biosynthesis and the expression of genes encoding leucoanthocyanidin reductase (LAR) and anthocyanidin reductase (ANR) was investigated in fruit skin of one a
The purpose of this research was to empirically examine the effect of independence, size, expertise, and gender of bond no.9 nuits de noho the audit committee on audit report lag in firms listed on the Tehran Stock Exchange (TSE).Using unique data from Iran for a 5-year period between 2016 and 2020, the results showed that financial expertise and i