The three different preparation methods of cyclic trioligomer are described in this paper. The chromatographically pure compound was obtained.

文章叙述了三种制备环状三聚体的方法;获得了色谱纯的化合物。

Sonic tumor cells had nuclear goovas. 3 cases showed abundant mitochondria, rough endoplasm reticulum. neurosecretory granules, prozymogen-granule-like particles and annulate lamellae.

瘤细胞有丰富的线体及粗面内质网，可见到神经分泌，酶原及特征性的环状板层体。

We are a professional manufacturer of hardware tools, our production include Wire gauge, drill gauge, wallet spanner, circinal blade, straight blade and round saw blade.

我们是一家专业生产五金工具，包括我们的生产线，，钱包扳手，环状的刀片，直叶片和轮锯片。

Taking the supplying regions as rows of the bigraph, the optimum scheme for looped grids feeder arrangement with minimum cost is obtained by a minimum weight match algorithm of bigraph.

以联络线的建设费用最小为目标函数,将各供电分区作为偶图的2列,采用最小权匹配算法得到"手拉手"环状网的最优配对结果。