查询词典 constituents

OBJECTIVE To study the chemical constituents of Taxus yunnanensis and modifying the structure of 1-dehydroxy baccatin VI.

目的研究云南红豆杉心木的化学成分并对1-去羟基巴卡亭VI进行了结构修饰。

The major constituents were p-cymene,linalool,borneol and α-terpineol respectively.

产于山东沂山的五脉地椒全草挥发油主要成分为对-伞花烃、芳樟醇、龙脑、α-松油醇。

Thallophyte plants composed of a fungus and an alga in such close symbiosis that they form a vegetative plant body that is morphologically different from either of the constituents.

教学重点：动物发育过程及相关英语词汇的掌握。讲授方法：以学生翻译为主，老师讲解相关专业知识辅助学生理解

AIM: To study the chemical constituents from the bark of Goniothalamus griffithii Hook.f.et Thoms.

目的：研究云南西双版纳的大花哥纳香(Goniothalamus griffithii Hook.f.et Thoms)茎皮的化学成分。

Results:23 components of thymus essential oil were separated and 9 of them were identified, the main constituents were thymol (44.36%) and p-cymene (31.04%); the diameters of inhibition zones of essential oil towards Escherichia coli and Staphylococcus aureus were 32 mm±0.5 mm and 40.5 mm±1.0 mm.

结果：百里香精油共分离出23个峰，鉴定出其中9种化学成分，主要是百里香酚(44.36%)和对伞花烃(31.04%)；百里香精油对大肠杆菌和金黄色葡萄球菌的抑菌直径分别是32mm±0.5mm和40.5mm±1.0mm。

By tracing the antifungal and antibacterial activities of the volatile oils, it is found that the major active site in fiuit oil of Litsea mollis is aldehydic fraction such as citral, the major active site in oil of Thymus quinquecostatus is phenolic fraction such as thymol and the major active site in ginger oil is high boiling-point terpenic constituents such as β-caryophyllene, eudesm-4 (14)-en-11-ol, et al.

通过抗菌活生追踪发现，毛叶木姜子果油的主要活性部位是醛类成分，如柠檬醛；地椒油的主要活性部位为酚类成分，如百里香酚；姜油的主要活性部位为"高沸点萜类组分"，如β-丁香烯、4（14）-桉叶油烯醇-11等。

Textile and dyeing Wastewater is one of industrial Wastewater to be treated most difficulty. Wastewater of dyeing industry has complicated constituents, and usually contains many kinds of dyes .It has deep tinct and strong toxicity, and it is difficult to decompose it .

印染工业废水是极难处理的工业废水之一，印染工业废水组分复杂，常含有多种染料，色度深，毒性强，难降解，pH值波动大，而且浓度高，水量大。

A sensitive and specific method with high performance liquid chromatographic fingerprints was developed for controlling the quality of donkey-hide glue and tortoise-shell glue according to the liposoluble constituents.

采用高效液相色谱法研究并建立东阿阿胶、龟甲胶脂溶性成分的指纹图谱，为药用动物胶的质量控制提供了有效的方法。

Sedum aizoon L.; nourish heart and tranquilize; effective part;chemical constituents; isolation and identification.

养心草；宁心安神；有效部位；化学成分；分离鉴定

Using a pin on disk tribometer, the dry tribological properties at temperatures of 15 ℃, 300 ℃ and 600 ℃ are investigated for silicon carbides and its constituents.

采用改制的盘销式摩擦磨损试验机，在15℃、300℃、600℃下，对浸Si反应烧结SiC及其复合材料的干摩擦磨损性能进行了研究。

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。