1)  difference
示差
2)  pH-Differential spectrophotometry
pH示差法
1.
Mulberry red pigment is abstracted from mulberry juice by using macroporous resin and the anthocyanin content in the product is determined by pH-Differential spectrophotometry,we conclude that the anthocyanin content in the mulberry juice is 0.
用大孔吸附树脂对桑椹原汁中的桑椹红色素进行了提取,用pH示差法对产品中的花青素进行测定,测得桑椹原汁中的花青素含量为0。
3)  differential pulse voltammetry
示差脉冲
4)  differential
示差法
1.
Under 400 nm wavelength, P\-2O\-5 content can be determined by differential spectrophotometer in 50~55 minutes.
鉴于正磷酸根在酸性介质中与钼酸盐及偏钒酸盐生成稳定的黄色化合物,在400nm波长下,利用示差法测定P2O5仅需50~55min。
5)  high-speed steel
示差浸蚀
6)  differential screening
示差筛选
1.
The technique,principle,advantage and disadvantage of several mRNA diffrential display means, such as differential screening,subtractive hybridization,reveise transcription PCR, representational difference analysis,suppression subtractive hybridization and its application in rice molecular biology.
对mRNA差异显示法中人们比较熟悉的示差筛选、扣除杂交和DDRT PCR法 ,以及近几年新提出的RDA、SSH 5种主要的差异基因筛选法 ,从其原理、在分子生物学中的应用、优缺点及其改进方法等方面进行了简要概
参考词条
补充资料:示差脉冲极谱法
分子式:
CAS号:

性质:是当滴汞生长至一定面积时,在一线性缓慢扫描的直流电压上,叠加一小振幅、低频率的脉冲电压、然后在脉冲电压后期记录法拉第电流的一种极谱分析方法。其极谱图呈峰形。具有灵敏度高、选择性好等特点。常用于痕量物质的测定。

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