数字熔点仪
数字熔点仪-
为了准确测定防老剂D与BHT的熔点，用两端开口毛细管法、一端开口毛细管法和数字熔点仪测定了两种防老剂的熔点。
In order to determining melting point of antioxidant D and antioxidant BHT precisely , this paper involves three methods : the capillary without seal , the capillary with an opening and digital melting point measuring instrument .
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通过数字熔点仪、元素分析、红外光谱分析、核磁分析对产品进行了表征，并对这两种苯并咪唑衍生物的抑菌活性进行了研究。
Antibacterial activities of the two benzimidazole derivatives were studied .
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智能数字熔点仪设计
Design of the intelligent digital instrument of melting point
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通过数字熔点仪、红外光谱分析、核磁分析对产品进行了表征。
The compound was characterized by melting point determination , elements analysis , IR and1 HNMR spectra .