得到面积公式:计算行列式,我们得到 x1y2−x2y1x_1y_2 - x_2y_1x1y2−x2y1。因此,三角形的面积 S=12∣x1y2−x2y1∣S = \frac{1}{2} \left| x_1y_2 - x_2y_1 \right|S=21∣x1y2−x2y1∣。 英文解释 (English Explanation) We aim to derive the formula for calculating the ...
Amphiphilic peptides comprising the formula I: (X1Y1X2Y2)n, and uses thereofDisclosed are amphiphilic peptides. Also disclosed are methods of treating proliferative disease, bacterial infection, viral infection and fungal infection, endotoxin neutralization and a method of removing biofilm. Also ...
这种八元系化合物实际上是图1中所示的16种二元化合物组成的固溶体.如任取一个物理量如相变温度 t_p=f(x1,x2,x3,y1,y2,y3).x1,x2,x3,y1,y2,y3(0,1).εx=εy=1.这个函数用图形表示出来,就是该化合物体系的图解. 会议名称: 第十三届全国相图学术会议暨中日双边相图、材料设计及其应用...
with the karyotypic formula 4m + 14sm + 24a and fundamental number (FN) = 60 for females and the formula 5m + 14sm + 23a and FN = 61 for males, constituting an X1X1X2X2/X1Y1X2Y2multiple sex chromosome
Another notable intermolecular interaction, resulting in an H3· ·· F1(x − 1, y+1, z − 1) distance of 2.50 Å, involves a CH group of the imidazole ring and the fluoro substituent of the phenyl ring. Table 1. Crystal data and structure refinement. Empirical formula Formula ...