单环

直流电晕放电单环VOC降解特性的实验研究

Experimental Investigation on DC Corona Discharge for the Decomposed Characteristics of Monocycle VOC

结论超广谱β-内酰胺酶是革兰阴性杆菌对第三代头孢菌素及单环β-内酰胺类抗生素耐药的最重要机制，应高度重视产ESBLs株的检测和药物敏感性试验。

Conclusion ESBLs palys an important role in the mechanism of Gram negative bacterium antibiotics resistance to Cephalosporin 's ( 3rd generation ) and monocycle beta lactam antibiotics . Both the detecting of ESBLs producing strains and the testing of antibiotic susceptibility should be highly emphasized .

分析表明如果设计方法欠佳，PID控制器不能发挥优良调节能力，使逆变器单环控制系统性能不很理想

Inverter loop PID controller woks not very well if PID controller parameters are not designed well .

拟P半单环的一个特征性质

Structure of quasi-p semi - simple ring

单环的Lie结构

Lie structure of the simple ring

单环手性胍催化的对映选择性Henry反应

Enantioselective Henry Reaction Catalyzed by Chiral Monocyclic Guanidines

对任意半单环R，每个矩阵环Mn（R∝R）是左morphic的。

For any semisimple ring R , every matrix ring M_n ( R ∝ R ) is morphic .

UHF单环跳频频率合成技术的研究

Research of a Single-loop Hopping Frequenc Synthetic Technique at UHF Frequenc Band

逆变电路采用数字式比例积分（PI）调节控制来实现闭环控制，控制方式为电压型单环控制。

Digital PI control mode which takes the structure of voltage single loop style is used to achieve close loop control .

模式的各个分量分别存储在网络的N个连接中，这些连接构成一个通过网络中所有神经元的被称为模式环的单环回路；

Each pattern is stored in N links , these links form a single loop by the name of " pattern loop ", which can pass through every neuron .

研究了以单环单萜烯烃为原料，CD分子筛为催化剂，歧化合成对异丙基甲苯的工艺条件，并对对异丙基甲苯进行了谱图解析。

This paper focuses on the technique requirements for disproportion synthesizing p cymene with monocyclic monoterperpene as raw material and CD molecular sieve as catalyst .

基于平面单环N杆机构的可装配性，分析得出了避免这些奇异位形的几何条件。

Based on the assemblability of planar single loop N bar mechanisms , it analyzed and found the geometry conditions to avoid the singular positions of planar seven bar mechanisms .

一个模型源自BUCK变换器，只有一个高频电流回路，称作单环模型。

One is abstracted from BUCK converter named single-loop model , which has only one high frequency current loop .

MRSA在金黄色葡萄球菌中的分离率为86%。三代的头孢菌素和单环类β－内酰胺类药物抗菌活性最强。

86 % of Staphylococcus aureus was MRSA .

一种基于单环结构的扩展基本层FGS视频编码方法

An Expended Base-layer FGS Video Coding Scheme Based on One-loop Structure

苯洗脱馏分（C2）主要由单环烷基芳烃和多酚组成；

The fraction washed down by benzene ( C_2 ) mainly contains alkyl-substituted aromatic hydrocarbons and polyphenols ;

逆变器采用全桥型的拓扑结构，利用了SPWM逆变技术，逆变电压控制通过简单的单环反馈实现，控制方法采用PID算法。

The inverter uses full bridge topology and SPWM technique . The inverter voltage is controlled by single closed loop feedback based on PID .

同时给出了一个用遗传算法进行单环系统PID控制器优化设计的仿真实例。一种单环前馈线性化功率放大器及其性能分析

The paper also gives an example applying GA to optimize a PID controller of a single loop system . The Construction and Performance of A Single Loop Feedforward Power Amplifiers

从取代乙二胺方便地合成了4个手性单环胍.它们催化苯甲醛或异丁基醛同硝基甲烷的Henry反应。

Four chiral monocyclic guanidines were conveniently prepared from substituted ethanediamines and were evaluated as catalysts for Henry reaction of nitromethane with benzaldehyde or isobutanal .

讨论了FCGP环的性质和等价条件，得出了R为半单环当且仅当R为左V环且为FCGP环，FCGP环是Morita不变的。

It is shown that R is a semisimple ring if and only if R is a left V-ring and a FCGP-ring , FCGP-rings are Morita invariant .

理论分析和实验表明，用前馈单环线性化技术对RF功率放大器进行线性化补偿，可以大大提高微波功率放大器的线性度，从而达到减小各谐波和互调分量的目的。

The theoretical analysis and experimental results show that using feedforward single-loop linearization technology can greatly improve the microwave power amplifier linearization to reduce the harmonic and intermodulation components .

本文针对长江三角洲某地区3个城市（C市、W市、S市）浅层地下水的单环芳烃进行了研究。

The paper deals with the study of monocyclic aromatic hydrocarbon ( MAH ) in shallow groundwater in three cities ( C , W and S ) in an area of the Yangtze River delta .

结论加强型单环与单臂Hybrid外固定器结合有限内固定技术能减少并发症，避免膝关节僵硬，是治疗复杂胫骨平台骨折的有效治疗方法。

Conclusion Operation by using reinforced bar-ring hybrid external fixator combined with limited internal fixation can reduce complications and avoid stiffness of the knee joint . It is an effective method for complex fractures of tibial plateau .

单环加热时，换热系数随内外径比的变化随Kn数的增加而下移；

The Nusselt number ratio decreases with increasing Kn and decreasing thermal accommodation coefficient when one wall heated alone .

研究结合环范畴中的半遗传对偶根，证明了如果存在一个特征为零的单环是一个R-根环，则半遗传对偶根R是一个遗传根；

The semihereditary radical was studied , it is proved that a semihereditary dual radical R is hereditary if there exists a simple ring of characteristic zero such that it is an R & radical ring .

在电压电流控制模块的设计中，分别采用了两种方法：PID单环反馈法和电压电流双PI反馈控制法，参数的求取依然采用极点配置法。

In the voltage and current controller design , the paper take two different method : PID single-loop feedback and double-loop PI feedback , The parameter is still obtained by pole placement method .

微囊藻毒素（MC）是一类七肽单环肝毒素，MC-LR是一种强烈的肝脏肿瘤促进剂。

Microcystins ( MC ) are hepatotoxins containing cyclic heptapeptides . Microcystin-LR ( MC-LR ) is a strongly liver tumour promotor .

结合弹性分组环的生存性，介绍了一种可提高RPR单环生存性的算法-ISH（IntegratedSelf-Healing），并分析了其特性。

Combining with the high survivability of RPR , the paper also introduces a algorithm-ISH ( Integrated Self-Healing ) which can raise RPR survivability , and analyses its characteristic .

接着分析∑△调制器，结合过采样和噪声整形技术分析一阶、单环、MASH结构调制器的工作原理和特点。

Finally , the Sigma-Delta modulators including first-order , single-loop and MASH structure are analyed based on the oversampling and noise shaping theory .

超广谱β-内酰胺酶（ESBLs）由质粒介导，能水解青霉素、广谱头孢菌素及单环类抗生素并产生耐药。

Extended-spectrum β - lactamases ( ESBLs ), mediated by plasmids , can hydrolyze and cause resistance to penicillins , broad spectrum-cephalosporins , and monobactams .