查询词典 constituents

Objective: To establish a method for determining the content of primary chemical constituents in the leaves of Cassia angustifolia .

中文摘要：目的：建立番泻叶中主要化学成分的含量测定方法。

ResultsOne hundred and thirty-one kinds of chemical constituents in micro-milling of Poria Cocos were separated ; of which sixty-seven compounds representing 51.145% of the oil were characterized. Relative contents that were more than 2% were determined as Nonanal 2.058%,Camphor 2.401%,2,3-dimethyl Decalin 3.819%,trans-Nerolidol 2.266%,Farnesol 3.322%,α-Cedrol 7.936%.

结果茯苓超微粉中分离出131个成分，鉴定出67个化学成分，占挥发油总量的51.145%，其中相对百分含量大于2%的分别确定为壬醛Nonanal 2.058%；樟脑Camphor 2.401%；2，3-二甲基萘烷 2，3-dimethyl Decalin 3.819%；反橙花叔醇trans-Nerolidol 2.266%；金合欢醇 Farnesol 3.322%；α-柏木醇α-Cedrol 7.936%。

To find anti-PAF lead compounds, we studied its chemical constituents, and 12 compounds including flavonoids, cerebroside and galactosylacylglycerols were identified.

我们对锡兰肉桂地上部分的乙醇提取物进行了活性筛选，结果表明具有抗PAF活性。

GC-MS can be used to control the quality of processed Rhizoma Kaempferiae with characteristic constituents as the index.

结论FTIR能准确地鉴别山柰，GC-MS法能以特征成分为指标精确地控制山柰饮片的质量。

The research aimed to study the chemical constituents from Swertia chirata extracted with petrolelum ether.

［目的］研究印度獐牙菜石油醚部位化学成分。

Objective To investigate the chemical constituents of the petroleum and the chloroform extracts of Ledum palustre L.

目的对细叶杜香石油醚和三氯甲烷部位的化学成分进行研究。

Organisms having a ciliated wheel-like organ for feeding and locomotion; constituents of freshwater plankton.

微小的水栖的多细胞组织，有用于进食和移动的纤毛轮形组织；淡水浮游生物的组成部分。

Minute aquatic multicellular organisms having a ciliated wheel-like organ for feeding and locomotion; constituents of freshwater plankton.

微小的水栖的多细胞组织，有用于进食和移动的纤毛轮形组织；淡水浮游生物的组成部分。

OBJECTIVE:To extract and isolate the constituents of Cissus assamica Laws.

目的：研究草药红背丝绸化学成分的提取分离及其活性成分白藜芦醇对内皮素的拮抗作用。

The main chemical constituents of R.crenulata included geraniol (14.78 - 55.11%), n-octanol (13.39 - 39.45%),2-methyl-3-buten-2-ol (0.82 - 24.15%), citronellol (2.18 - 8.86%),3-methyl-2-buten-1-ol (0.49 - 9.22%), mytenol (trace - 9.41%), linalool (1.41 - 4.05%) and so forth.

居群间的遗传距离 UPGMA 结果与地理分布相关性较高，9个居群聚成3组：西藏的2个居群聚成一组；云南德钦地区的2居群聚成一组；云南丽江居群与香格里拉红山铜矿居群聚成一组。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。