differential technique meaning in English

差值法

Iszard and wilks used a differential technique to study the surface coating on cellophane .
伊斯扎德和威耳克斯应用差示技术，研究粘胶薄膜的涂层。
The paper conducts partition and comparison of pollution load within the basin during 1991 ~ 1999 period by taking shaanxi section of weihe river basin as an example and using separation method of hydrograph and rainfall differential technique respectively
以渭河流域陕西段为实例，分别运用径流分割法、降雨量差值法对流域内1991 ~ 1999年污染负荷进行了分割，并进行相互比较。
We made use of wheatstone bridge to control ratio of heating power between the samples , thus , it enable to control and measure the differential heating power accurately . consequently , it improves sensitivity of the system . the resolution of the measurement can reach from 1 : 1000 to 1 : 10000 or better in comparison with the traditional differential technique
我们测量了聚苯胺及其掺杂盐酸后在1 . 8k至45k的热容，利用声子分形子模型来处理非晶态对比热的贡献，对获得的数据进行处理，发现eb和es的比热数据均不符合德拜理论，超出德拜模型的比热来源于非晶态的贡献。