Abstract: By microsublimation, the powder of Bombyx batryticatus was first proved to contain a lot of sublimation, and the sublimation takes on the fmstwork under the microscope.
首次用微量升华法证
了药材白僵蚕中含有大量
具有升华性质化合物，在显微镜下呈现霜花状结晶。
Abstract: By microsublimation, the powder of Bombyx batryticatus was first proved to contain a lot of sublimation, and the sublimation takes on the fmstwork under the microscope.
首次用微量升华法证了药材白僵蚕中含有大量具有升华性质化合物，在显微镜下呈现霜花状结晶。
A relatively direct method is expounded in this paper to prove the termwise differentiation of power series, and a simple method is expressed to calculate the Fourier coefficient.
用比较
方法证幂级数
数在收敛域内可以逐项微分公式；并得到了计算傅立叶系数一种简便方法.
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