Buổi Đào tạo sử dụng Máy hiện sóng LECROY

A practical overview of ovarian acyclicity in dairy cows, covering signs, contributing factors, diagnostic evaluation, and prevention-focused herd management.

A practical overview of dairy cow mastitis, including visible and subclinical signs, diagnostic approaches, prevention routines, and milk-resistance monitoring.

Doppler ultrasonography adds blood-flow assessment to reproductive ultrasound examinations, helping veterinarians make better-informed decisions for dairy cattle herds.

A measurement toolkit for solar PV installers does not necessarily need to contain a large number of instruments or excessive functions. What matters is having the right tool for each task on the roof: measuring DC voltage, checking string current, verifying polarity, testing insulation, checking grounding, or commissioning the entire system.

Rooftop solar PV arrays are installed at elevated locations and contain numerous metal frames, aluminum rails, and long cable runs across the roof. As the stormy season approaches, the grounding and lightning protection systems should be inspected to ensure that fault current and lightning current can follow the intended paths.