The penetration of ions plays an important role in the durability of concrete structures.This study aims to establish the feasibility of using dental X-ray equipment to measure the concentration and penetration of iodide within cementitious systems.This technique is known as checking ion penetration (CHIP).This test uses iodide as a tracer because
The dual PWM variable frequency speed regulation system applied to scraper conveyors, coal shearers and other mechanical equipments needs to be installed a filter on the rectifier grid-side to suppress harmonic currents.The existing LCL filter design method relies on experience and has low efficiency, and the damping loss problem is not considered
Toxoplasmosis is a cosmopolitan zoonotic infection that has significant effects on public health and causes economic losses in the livestock industry.The current study was designed to detect the Toxoplasma parasite in sheep blood samples and tissue samples of slaughtered sheep at the Sulaimani abattoir using molecular techniques.A total of 300 peri