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A rounded convex molding, often a quarter section of a circle or an ellipse.

凸圆线脚装饰一个圆的凸圆体塑模,通常为一圆或椭圆的四分之一部分

The total synthese three natural compounds to explore enantioselective synthesis of flavanol: We use phloroglucin and 2, 4, 6-trihydroxyacetophone as starting materials to synthesis distenin in two ways; Resorcin was used to synthsis 2, 5-dimethoxymethoxyacetophone though 3 steps.

对黄烷醇化合物的立体选择性全合成进行了探索:以间苯三酚和2,4,6-三羟基苯乙酮为原料,尝试用两条路线对Distenin化合物进行了全合成研究;以对苯二酚为原料,经三步制得2,5-二甲氧甲氧基苯乙酮,与2,4,6-三甲氧甲氧基苯甲醛反应,经四步反应得到天然产物3,5,7,2′,5′-二五羟基黄烷关键中间体1-(2′,6′-二甲氧甲氧基苯)-3-(2",4",6-三甲氧甲氧基苯)丙烷-1R,2R-二醇83及其对映体84;简要介绍了EGCg类化合物的生物活性和研究概况。

The author of FSLJ employs simple and natural words, colloquial words and modal particles at lexical level, four-character structures and run-on sentences at syntactic level, and a novel petal-structure at textual level, to express the whole gamut of emotions from happiness to sorrow.

在《浮生六记》的写作过程中,作者在词汇层面上运用简单词、方言和文言虚词,句法层面上借助四字格和流水句,篇章层面上独创了花瓣状结构成功表达了平淡无奇却情真意切的娓语体风格。

Fourth, IDE hard drives and SCSI hard disk structure is the same.

四、 IDE 硬盘和 SCSI 硬盘的盘体结构是差不多的。

Straw yellow in color, this wine displays rich aromas and flavors of lemon citrus, white flowers, grapefruit and ripe melon.

浅稻黄色的酒体,芬芳四溢,充满柠檬,白花儿,柚类水果和成熟西瓜的香味。

The results of measurements and calculation show that Ig of sturgeon is tetramer.

分子量的测定及计算结果显示鲟鱼的Ig为四聚体。

Dimethyl sulfoxide of 1.5% and 25℃ temperature is helpful to tetraploid induction.

添加1.5%二甲基亚砜和25℃的温度有利于四倍体大蒜的诱导。

Tetraploid clones characterized by double 8;21 translocations in two patients with acute myeloid leukemia

伴染色体 t(8;21)为特征的四倍体克隆的急性白血病二例

A rapid and high efficient protocol has been established for Agrobacterium-mediated transformation of microtuber of potato tetraploid cultivars.

以马铃薯四倍体栽培品种的试管薯为受体材料,建立了根癌农杆菌介导的马铃薯试管薯快速、高效转基因体系。

In conclusion, abnormal meiosis of PM-Cs is the cytogenetic causes for fertility reduction of tetraploid melon.

花粉母细胞减数分裂的异常是同源四倍体甜瓜育性低的细胞学原因。

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Do you know, i need you to come back

你知道吗,我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。

Chapter Three: Type classification of DE structure in Sino-Tibetan languages.

第三章汉藏语&的&字结构的类型划分。