After the autumnal season, the temperature dropped suddenly and the climate was dry. This …
Fertilizer is the "food" of pepper. The root system of the pepper has the charac…
With the improvement of the quality of life, people are paying more and more attention to …
In recent years, the rankings of global medical
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The college entrance examination in 2016 is already approaching. Candidates and parents ha…
At the CHIMA exhibition of hospital information system held in Zhuhai, the r…
According to the World Health Organization (WHO), chronic diseases have beco…
Thin layer chromatography
Spotting method
Mang is on the verge of the rush of early summer, when the weather has entered the hot mod…