Liquid nitrogen or helium can expand by factors of 700 ( LN2) or 780 ( LHe) to normal temperature, and the uncontrolled releasing into an enclosed space can cause on oxygen deficiency hazard ( ODH).

With the increasing desire of butene, the n-butane oxidative dehydrogenation ( ODH) being as a vital reaction of the selective oxidation has drawn more and more attention throughout of the world.

随丁烯需求量的日益增加，正丁烷氧化脱氢作为其中的一个重要反应，越来越受到重视。

As a vital reaction of the selective oxidation, the oxidative dehydrogenation ( ODH) of n-butane is becoming increasingly important not only in academic research but also in industrial utilization.

正丁烷氧化脱氢作为其中的一个重要反应，不论在理论研究还是在工业应用方面均具有重要意义。

The activated surface oxygen and oxygen vacancy from CeO2-CNT composites play an important role in two-step ODH reaction by promoting reverse water-gas shift reaction.

对于碳纳米管内负载CeO2催化剂，活化的表面氧和氧空穴在这个两步脱氢中通过促进逆水汽反应承担重要的作用。

Combined with GZT low-voltage switchgear assemblies MXY non-conventional type busbar, its dynamic stability was discussed.

结合GZT低压成套开关柜的MXY异型母线，论述了异型母线的动热稳定性；

The design and embodiment of a Model MXY-ⅰ pulse tracing instrument

MXY&Ⅰ型脉像仪的设计

OEC: An Object Oriented Expert System Construction Tool

OEC：一个面向对象的专家系统构造工具

Introducing OEC is effective for oil sales companies to upgrade management.

石油销售企业推行OEC管理，是企业不断提升现代化管理水平的有效途径。

Conclusion OEC management model was proved to be an effective approach in nursing management.

结论OEC管理模式是一种行之有效的护理管理方法。

OEC-Management is Effective Pattern of Business Logistics Management

OEC管理&一种行之有效的企业物流管理模式

Myf Ryan, director of marketing in the UK and Europe for Westfield, says that China have become the number one international market to visit Westfield London, particularly The Village the luxury area of the mall.

威斯菲尔德的英国和欧洲市场营销主管莱恩称，中国是伦敦威斯菲尔德购物中心排名第一的国际市场，尤其吸引中国游客的是购物中心内的奢侈品区。

As Myf Ryan puts it: The Chinese love luxury.

正如莱恩说的那样：中国人热爱奢侈品。

Cell culture: The primary OEG was cultivated with the olfactory bulb of Wistar neonate rats, and then the purification was done by free serum medium.

细胞培养：新生Wistar大鼠嗅球（OB）做OEG原代培养，然后利用无血清培养基添加一些促进生长的微量物质做纯化培养，为OEG提供了合适的生长环境而大量增殖。

Objectives To observe olfactory ensheathing glia ( OEG) survival and repair in vivo for spinal cord injury after OEG transplantation.

目的研究嗅鞘细胞（OEG）移植后在体内存活情况以及对大鼠脊髓损伤长期的修复作用。

OEG proliferated quickly by free serum medium, and cell count increased by 16 times of primary culture through 9 days cultivation. Its purity is 85%.

通过无血清纯化培养，OEG增殖迅速，原代培养9天，细胞数目可达16倍以上，纯度可达85%。

For spinal cord contusion and transection, OEG can promote the axons regeneration and the recovery of locomotion function in our study.

OEG移植具有明显促进脊髓挫伤加横断伤神经纤维再生和功能恢复的作用。

Methods The OEG was cultured with the olfactory bulb of Wistar neonate rats.

方法用新生Wistar大鼠嗅球做OEG培养，大量增殖并标记。

A 4 × 10Gb/ s OTDM communication experiment system using the optronic oscillator ( OEO) as the frame clock extractor is reported.

本文报道了一个以光电振荡器（OEO）为帧时钟提取装置的4×10Gb/s光时分复用通信实验系统。

Based on a dispersion-induced microwave photonic filter ( MPF), a GHz tunable range and voltage-controlled OEO is achieved.

通过构建一个色散引起的复合腔微波光子滤波器，基于它来实现一种电压控制的、调谐范围达到数GHz的OEO。

Therefore, another wideband frequency-tunable OEO based on a narrowband phase-shifted FBG and wavelength tuning of laser is proposed.

在此基础上，提出另一种基于窄带相移光纤光栅滤波和调节激光波长的方案。

In the experiment, we found the locking range of OEO was greatly affected by the bias voltage of modulator in the loop.

实验中发现OEO中凋制器的偏置电压对OEO的注入锁定范围有很大影响。