Effect of La2O3 on the corrosion resistance of alumina ceramic

Alumina ceramics are widely used because of chemical corrosion resistance.Although alumina ceramics can resist many strong acids and organic acids, be corroded easily by HF due to silicon components in raw materials.This work aimed to reveal the effect of La2O3 on HF/HCl resistance of the alumina ceramic containing SiO2.The X-ray diffractometer (XR

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Cervical bronchogenic cyst diagnosed prenatally

Bronchogenic cysts are congenital malformations caused by abnormal lung buds.Almost all bronchogenic cysts are found in the thoracic cavity but rarely in the neck.We report a rare case of a cervical bronchogenic cyst diagnosed in the fetal stage.A male baby with a cervical cyst detected at 20 weeks of gestation was suspected of having a 4-cm cystic

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Multiple evolutionary origins of Trypanosoma evansi in Kenya.

Trypanosoma evansi is the parasite causing surra, a form of trypanosomiasis in camels and other livestock, and a serious economic burden in Kenya and many other parts of the world.Trypanosoma evansi transmission can be sustained mechanically by tabanid and Stomoxys biting flies, whereas the closely related African trypanosomes T.brucei brucei and T

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