1) double-log
双对数
1.
On the basis of analyzing the characteristics of gas logging composition in Cainan area, combined with the conventional gas logging interpretation method, the paper carried out probing study for current gas logging and oil testing information, analyzed double-log method and gas alkane ratio(3H)method, and developed the interpretation chart and classification standard of the d.
该文在分析彩南地区气测组分特征的基础上,结合常规气测解释方法,对已有的气测和试油资料进行了探索性的研究,对双对数法和气体烷烃比值(3H)法进行了分析,研制出了C1与C2的对数比值与烃平衡比(Bh)的解释图版及划分标准。
3) double logarithmic coordinates
双对数法
4) double logarithmic curve
双对数曲线
1.
By drawing the double logarithmic curves of fracturing pressure and construction time, the data of pressure response could be obtained after sands jam happened.
通过做出压裂施工压力和施工时间的双对数曲线 ,可以确定砂卡发生后的压力响应数据 ,将这些数据进行线性回归 ,求得直线段斜率 ,然后根据求得的斜率和相关的裂缝参数 ,即可求出裂缝中砂卡的位置。
5) paired bialgebras
对偶双代数
1.
First, we present semisimple properties of twisted products by means of constructing an algebra isomorphism between twisted products and crossed products, and point out that there exist some relations among braided bialgebras, paired bialgebras and Yang-Baxter coalgebras.
指出了对偶双代数、Yang Baxter余代数和辫化双代数之间的关系 ,并且以四维SweedlerHopf代数为例来说明 。
6) double logarithmic model
双对数模型
1.
Based on the analysis of the adjustment on domestic water price and the growth on income of residents in Harbin,the quantitative analysis of the elasticity of domestic water price and income in Harbin was made with double logarithmic model.
通过对哈尔滨市居民生活水价调整和收入增长情况的分析,利用双对数模型,对哈尔滨市居民生活用水需求的价格弹性和收入弹性进行定量分析,得出了生活用水的价格弹性为-0。
2.
The relation between the simulation error of double logarithmic model and that of the corresponding exponent model is discussed here.
对双对数模型lg Y=a0+a1lg X1+a2lg X2+…+anlg Xn与其对应的指数模型y=c0xa11xa22…xann的模拟相对误差的关系进行了探讨,指出双对数模型具有放大和缩小指数模型相对误差的特性。
3.
Taking the case of Xianyang city,double logarithmic model for industrial water is established to quantitatively analyze the price elasticity of industrial water.
以咸阳市为例,建立了工业用水双对数模型,对工业用水的价格弹性进行定量分析,得出咸阳工业用水的价格弹性为-0。
补充资料：双对数坐标
Image:11802758277455114.jpg
双对数坐标
算术坐标系统:就是普通的笛卡儿坐标，横纵的刻度都是是等距的。（举例来说：如果每1cm的长度都代表2，则刻度按照顺序0，2，4，6，8，10，12，14……）
对数坐标：坐标轴是按照相等的指数变化来增加的，（举例来说：如果每1cm代表10的1次方增加，则坐标轴刻度依次为1，10，100，1000，10000……）
双对数坐标系统是指两个坐标轴是对数坐标。
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