防結冰劑 的英文怎麼說
中文拼音 [fángjiēbīngjì]
防結冰劑
英文
antiicing agent-
Hydrotropic solution of calcium chloride is the important cryogen for refrigerator and ice making. it is also a good anti - freeze agent and agglomerating agent in construction for concrete hardening and cold hardiness of sand mortar
氯化鈣水溶液是冷凍機用和製冰用的重要致冷劑，基建上能加速混凝土的硬化和增加建築砂漿的耐寒能力，是優良的建築防凍劑凝結劑。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 。
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