In addition, the coverage and number of carbon layers in CCA can be easily controlled by changing the sucrose content in the precursors and the impregnation times. 在这种复合材料中,碳层厚度可控制为一个石墨单层的厚度,且碳的覆盖度及层数可以通过改变浸渍的蔗糖量及浸渍次数来进行调控。
In division, the number you are dividing is known as the dividend, the number you are dividing by is called the divisor, and the answer is the quotient. 在处罚运算中,你在除的数的叫被除数,被你用来除的数叫除数,结果叫商。