等环的

In the part of the diesel engine control, the position closed loop control system was adopted includes: microprocessor, isolation circuit, power magnify circuit, accelerograph actuator of the engine and the signal modulate circuit.

对于发动机控制部分，详细讲述了采用位置闭环控制的发动机电控单元的几个主要组成部分：微控制器、隔离电路、功率放大电路、油门执行器和信号调理电路等。

Humic acid in soil plays an important role in transfer of hydrophobic organic compounds such as polycyclic aromatic hydrocarbons.

土壤腐殖酸的吸附作用对多环芳烃等疏水性有机污染物的迁移产生影响。

Actinomycin D , isolated from microbe of soil, is a cyclic peptide drug which has strong antitumor activity.

放线菌素D是从土壤微生物中分离出来的具有强烈抗癌活性的环肽药物，近年来在临床上和其它药物联用以治疗一些高危肿瘤如Wilms'肿瘤等。

It is reported that alkannin and shikonin isolated from the roots of Lithospermum erthyrorhizon or Alkanna tinctoria and their acylshikonin derivatives are potent selective inhibitors of DNA Topoisomerase Ⅰ.

文献报导紫草素和酰基紫草素等具有DNA拓扑异构酶Ⅰ的选择性抑制活性。本组曾合成得到少量环异紫草素（8），它对小鼠白血病P-388肿瘤细胞具有强烈的抑制作用。

To this end, we purchased a home and abroad advanced production equipment and quality testing facility, and has a group of experienced professional management staff; in accordance with the veterinary drug GMP requirements and standards to regulate the construction and production; enterprises existing water pin production line, production analgin, compound aminopyrine, sulfadiazine sodium, ivermectin, lactic acid ciprofloxacin, lincomycin, gentamicin sulfate, oxytetracycline, vitamin B1, such as 20 veterinary drug products, best-selling inside and outside the province.

为此，我们购置了国内外先进生产设备和质量检测设施，并具有一批经验丰富的专业管理人员；按照兽药GMP的要求和标准进行规范建设和生产；企业现有水针生产线一条，生产安乃近、复方氨基比林、磺胺嘧啶钠、伊维菌素、乳酸环丙沙星、林可霉素、硫酸庆大霉素、土霉素、维生素B1等二十个兽药产品，畅销省内外。

In this thesis, the limit cycles bifurcated from some kinds of polynomial systems are investigated using the methods of bifurcation theory and qualitative analysis.

本文利用分支理论和定性分析的方法，借助于计算机等辅助工具对几类多项式系统的极限环分支问题进行了研究。

Catalyst Office of Beijing University of Chemical Technology designs a pressure resistant tank with a view cell, which was used to measure the critical point of six binary systems and the opalescence can be observed.

本文实验采用北京化工大学催化研究室自行研制设计的变体积可视化耐高压容器，利用临界乳光的出现作为临界点判据，对CO〓+环己烷，甲苯，正丁醛，异丁醛，甲醇和乙醇等六组超临界CO〓二元体系临界点进行了测量。

We are also expanding our business to other fields, including shipping, real estate and office building lease.

随着环渤海经济带的崛起，润德集团也正以稳健的步伐逐步涉入其他行业领域，如船务运输、地产置业、写字楼出租等，我们以相关多元化发展演绎企业无限美好未来。

Methods: Cinnarizine with domperidone, promethazine with ephedrine, dimenhydrinate plus amfetamine with ginger and phecynonate hydrochloride were chosen by reviewing journal articles. The placebo was lactose. Coriolis acceleration tolerance was used to evaluate the efficacy of drugs. The incidences of symptoms and signs, and the neurobehavioral evaluation system were used to evaluate side effects and the effect on performance respectively.

通过文献资料分析，选取脑益嗪和多潘立酮、异丙嗪和麻黄素、茶苯海明与苯丙胺和生姜联合用药，以及盐酸苯环壬脂等4组药物，以乳糖为安慰剂，用Coriolis加速度耐力评价药效，用副作用症状、体征发生率评价副作用表现，用神经行为评价系统测试副作用对工作能力的影响。

Which he showed the Royal Academy in 1833, which looks across the lagoon, depicts all the famous architecture, like the Saint Marco Square, Bridge of Sighs

透纳的这幅画1833年在皇家美术学院展出。我们从画中可以看到环礁湖对面的名胜古迹，如圣马可广场、叹息桥等

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。