zone purification 中文意思是什麼
zone purification
解釋
區域精製- zone : n 1 【地理】（地）帶。2 區域，范圍，界。3 〈古、詩〉（腰）帶。4 圈，環帶。5 【數學】（球面）帶；...
- purification : n. 1. 清洗，洗凈；凈化（作用）。2. 提純，精製。3. 【宗教】滌罪；潔身；齋戒；潔禮，祓；【天主教】潔杯式。
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At the same time an apparatus of zone melting is designed, the method of zone melting is used to purify the purified product of recrystalizing. after purification, the homogeneity and stability of the purified product of antioxidant d and bht are examined by high performance liquid chromatography ( hplc )
實驗研究結果：防老劑d重結晶提純工藝為：每次取10g工業品防老劑d ，經過堿洗后，去離子水洗滌至中性，溶於100ml乙醇中，同時用粉狀活性炭（ 1g次）脫色、過濾、母液靜置2h后，再放入冰箱結晶2h 。 -
Seasonal variation of macrophytes root - zone microorganisms and purification effect in the constructed wetland system
人工濕地植物根區微生物與凈化效果的季節變化
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