三环的

The innovation of this thesis is: advanced a new method by adopting "three-ring method" to measure dynamic contact resistance of slip-ring, solved the lower measuring efficiency and inconvenience resulted in leads intertwist during the measurement of dynamic contact resistance of slip-ring.

本论文的创新点为：提出了一种用"三环法"测量导电环动态接触电阻的新测量方法，有效地解决了目前导电环动态接触电阻测量中由于导线缠绕而导致的检测效率低下、操作不便、不便较长时间观察导电环性能稳定性等问题。

According to the Beijing real estate market demand joint network analysis, the highest demand areas of Beijing real estate is transferred from the three loop within municipal, transport facilities better than sanhuan new residential areas, or northerly direction to the east and south-oriented.

据北京房地产联合网市场需求分析，北京市房地产需求最旺的地区正从三环路以内转移到市政、交通设施更完善的三环以外的新住宅区，大方向以偏北或东、南为主。

Pyrene adsorption to three HAs could be well fitted by Freundlich isotherms with significant correlation.

芘是常见的三环类芳烃物质，对芘的研究也越来越受到人们的重视。

Toxic effects of twelve pesticides（abamectin, endosulfan, diflubenzuron, danitol, tricyclazole, fluroxypyr, imazalil, tebuconazole, sulfapyridine, sulfamethoxazole, sulfamethazine and sulfadiazine）at low concentration（0.01mg·L-1） on the development of sea urchinembryos were investigated in this work, and the correlation between n-octanol/water partition coefficientand relative lethality rate was investigated.

为了研究低浓度下农药对海胆胚胎的毒性影响，以及正辛醇/水分配系数与致死率的关系，实验研究了12种常见农药（阿维菌素、硫丹、除虫脲、甲氰菊酯、三环唑、使它隆、抑霉唑、戊唑醇、磺胺吡啶、磺胺甲噁唑、磺胺二甲嘧啶和磺胺嘧啶）在低浓度（0.01mg.L-1）下对光棘球海胆胚胎发育的急性毒性影响。

We can see that bicyclic, tricyclic, tetracyclic rings or even outside the bustling construction sites everywhere, but ordinary people can afford the number, which those in the industry or buyers have to have sufficient alertness.

我们可以看到，二环，三环，四环，甚至内外环繁华的建筑地盘无处不在，但普通民众可以负担的数目，这是该行业或买家必须有足够的警觉。

Isolated from the marine tube worm cephalodiscus gilchristi in the Indian Ocean, cephalostatin 1 is among the most potent antitumor agents ever tested by the National Cancer Institute.

中文摘要 Cephalostatin 1是从印度洋的海洋寄生虫cephalodiscus gilchristi体内分离得到的十三环吡嗪双甾体，是迄今为止NCI测试过抗肿瘤活性最好的天然产物分子之一。

Yet, completely differ from the cases of 〓-H, the 〓-dihydroxyl group was introduced after subsequent epoxidation and oxane ring opening of the 〓 tricyclic olefin.

在〓-β-H三环烯31基础上的环氧化和环氧开环反应引入的两个羟基，为双直立的〓，不同于〓类。

It was found that an acylguanidine derivative characterized by having a tricyclic structure or a pharmaceutically acceptable salt thereof has a strong antagonism to 5HT2B receptor and 5HT7 receptor.

发现以具有三环类结构为特征的酰基胍衍生物或其制药学上可接受的盐对于5-HT 2B 受体和5-HT 7 受体都具有强力的拮抗作用。

The quantum mechanical calculation results suggested that the energetics of stereochemical control during the tricyclic Markovnikov cation deprotonation step could be affected by the inclusion of these enzymatic effects.

而量子力学的计算结果显示出酵素催化反应里所产生的种种效应都对在三环马可尼可夫碳阳离子的去质子化步骤中立体化学特性有重大影响。

Survey results show that 61.41 percent of the respondents are living in the east, of which about 40% of people living in the vicinity of tricyclic and tetracyclic.

调查结果显示，百分之61.41的受访者是居住在东部地区，其中约40 ％的人生活在附近的三环和四环。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！