单体

The analysis of sister chromatid exchange frequencies is a useful tool for the study of damages in genetic material of human beings induced by enviromental mutagens and carcinogens.

用荧光加Giemsa术区分姐妹染色单体，分析了13名中年男子外周血淋巴细胞的SCE，比较吸烟者和不吸烟者"自发"的和用丝裂霉素诱发的SCE频率变化。发现吸烟者的SCE频率(8.33±1.08)显著地高于不吸烟者(4.41±0.72)，p.001。

Objective To study sister chromatid exchange fre quency in maternal peripheral lymphocytes and umbilical blood of pregnant women. It is objective to study causes and best assay about PIH.

目的 观察妊娠高血压综合征孕妇外周血及其脐血姐妹染色单体互换频率，探讨PIH的病因以提高PIH的检测水平。

Objective To establish a method of extraction and determination of acrylamide in polyacrylamide gel by High Performance Liquid Chromatography.

目的：建立聚丙烯酰胺水凝胶中丙烯酰胺单体提取及检测的高效液相色谱分析方法。

Monomeric reference compounds having similar chromophore components were also prepared for photophysical comparison.

具有与高分子相同发光团的参考单体也被制备用以作为光物理性质的比较。

The chromosome number is duplicated in later stage only as chromatids are separated to form separated chromosomes.

染色体数目只在较后期当染色单体被分离而成为独立的染色体。

The topic is worth studying about whether the mechanism is concerned with the change of chromosome number in tumor cells.

上述姐妹染色单体分离机制是否参与肿瘤细胞染色体数目畸变过程是一个值得研究的重要课题。

In order to explore the relationship between the Artemisia frigida Wild. and the intake mass, this reaserch took sheep as reaserch object, using mixture of pasture containing A. frigida in different scales to feed sheep, to analyse the intake mass of the sheep, intake behavior and diet selection strategy, combined with Thermal-desorption Cold Trap/Gas Chromatography/Mass Spectrum to analyse the VOCs from the overground part of A. frigida in July and to identify the compoments; and its major components cineole,α-terpinol ,α-pinene andβ-pinene were added to the sheep feed, to analyse the effects of different monomers of VOCs from A.

为了探讨冷蒿与家畜采食量的关系，本实验以绵羊为研究对象，用含有不同比例冷蒿的混合牧草饲喂绵羊，分析了绵羊的采食量、采食行为及食性选择策略，结合热脱附―气相色谱―质谱联用技术对冷蒿地上部分7月份释放气体进行了组分分析和鉴定；并将其主要成分桉树脑、α-萜品醇、α-蒎烯和β-蒎烯添加到绵羊的饲料里，进一步分析了不同冷蒿挥发物单体对绵羊采食量、采食行为及食性选择策略的影响。

Various kinds of high-quality mineral hydraulic support jack seals and monomer hydraulic support seals, including drum-ring, piston combination ring, Lei-ring, Y-ring, dust ring, piston ring, hoop, O-ring and circlip ring and other kinds of seals.

各类优质矿用液压支架千斤顶用密封圈和单体液压支柱用密封圈，包括鼓形圈、活塞用组合密封圈、蕾形圈、Y形圈、防尘圈、活塞环、卡箍、O形圈及其挡圈等密封产品。

OBJECTIVE: To observe the antagonism effects of both alcohol and ethyl acetate extracts, monomer CA-1201 three components from Chinese herb Cissus assamica on endothelin-1 (ET-1) biological responses in vivo and in vitro.

目的：观察红背丝绸2种提取物和单体(CA-1201)对内皮素-1(endothelin-1，ET-1)生物效应的拮抗作用。

Clastic rocks are composed of individual fragments of mineral or rock.

碎屑岩是由岩石和矿物碎屑的单体组合而成，这些碎屑物质的粒度可以是巨大的确石到微细的颗粒。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。