The main nutrient indicators for nitrogen fertilizer were nitrogen (N): urea ≥ 46.0%; ammonium sulfate ≥ 20.5%; ammonium chloride ≥ 25.0%; ammonium nitrate ≥ 34.6%; ammonium bicarbonate ≥ 16.8%.
Phosphorus main nutrient indicators are phosphorus (P2O5): superphosphate ≥ 12.0%; heavy superphosphate ≥ 40.0%; calcium magnesium phosphate ≥ 12.0%; Calcium, magnesium, phosphorus and potassium ≥ 12.0%, potassium oxide ≥ 1.0%.
Potassium fertilizer main indicators of potassium (K2O): potassium chloride ≥ 54%; potassium sulfate ≥ 33.0%.
The main nutrient indicators of compound fertilizers are total nutrients. The main nutrient indicators of ternary compound fertilizers are: total nutrients (N+P2O5+K2O)≥25%, and the single nutrient content cannot be less than 4.0%. Monoammonium phosphate, N+P2O≥52.0%, containing N≥9.0%, P2O5≥41.0%; diammonium phosphate, N+P20≥51.0%, including N≥12.0%, P2O5≥37.0%; potassium dihydrogen phosphate , P2O5 + K2O ≥ 52.0%, including P2O5 ≥ 48.0%, K2O ≥ 31.5%.
The main nutrient indexes of organic manure were: organic matter ≥30.0%, total nutrients N+P2O5+K2O≥4.0%, and the main nutrient indicators of organic-inorganic compound fertilizers were: organic matter ≥20.0%, total nutrients (N+P2O5+K2O) ≥15.0% , where a single nutrient content ≥ 2.0%.
Imported French lens
Mould Die-casting Eight edge type Revolving arm
Each LED can be replaced individually, which guarantees maximum economy.
Configuring lightweight balance arm suspension system ,six groups universal joint linkage ,mobile, lightweight positioning and stablibity .A 360°all-round design ,can meet the need for surgery in different heights and angles.
Color temperature constant, soft, very close to the natural sun light.
The use of liquid crystal display button control, to meet the needs of the medical staff of different patients with the brightness of the operation.
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