ผลการเรียนที่แย่ลงเรื่อยๆ

ผลการเรียนที่แย่ลงเรื่อยๆ

ผลลัพธ์ (อังกฤษ) 1:

Gradually worsened performance.

ผลลัพธ์ (อังกฤษ) 2:

Achiever steadily worse and is unlikely to be improved.

ผลลัพธ์ (อังกฤษ) 3:

Nitrogen is the major element next to.Carbon hydrogen and, oxygen and oxygen found in living things. Nitrogen occurs in amino acids purine and, pyrimidine bases vitamins amino,,, ,, sugars alkaloidsCompound, ligids etc.However the major, nitrogen source is proteins. A method for the quantitative determination of nitrogen. In food is developed by johan kjeldahl.In modern times the Kjeldahl method is largely automated and makes use of specific. Catalysts to speed up the decomposition.The Kjeldahl method consists of three steps which have, to be carefully carried out. In sequence.