查询词典 voltage barrier

The reason is that SDRAM can work at 3.3V voltage, and the majority of EDO memory voltage at 5V.

原因是SDRAM只能在3.3V电压下工作，而EDO内存则多数在5V电压下工作。

By the comparison and analysis of the ionic current under different bias voltage between the long-straight tubular combustion device and the engine, it's also found that in the propagating flame front region and postflame region, with the increase of bias voltage the force of electric field will increase and the electrization action will be enhanced, which will enlarge the ionic current.

建立的离子电流随偏置电压变化关系的数学模型与实际燃烧过程是相符的，同时还可得到在两个实验中离子电流第一峰和第二峰的峰值随偏置电压变化关系基本都是线性的。

The concentration of hydrogen ion, voltage on electrobath and the temperature of electrolyte were the main factors affecting hydrogen production from indirect electrolysis of hydrogen sulfide and the voltage on electrolytic cell took a most important part in the process.

该模型在实验测量的范围内，得到了较好的验证；通过理论推导和实验验证，确立了硫化氢间接电解制氢中试阴极反应的主要影响因素为氢离子浓度、槽压和电解液温度，其中槽压的影响最大。

we use magnetron sputtering to deposit Al-AlN particle film as SED's electron-emitter. The Cr-Cu-Cr electrode was prepared by electron beam vaporize deposition. The voltage used to electroform the cracks are periodic trigonal wave and the breadth of the voltage are increasing gradually.

文章中采用铝-氮化铝薄膜材料作为SED器件的电子发射层，采用磁控溅射的方法镀电子发射层，采用电子束蒸发的方法镀铬-铜-铬材料作为电极；电形成过程中采用电压幅值恒定、周期性重复的脉冲和电压幅值渐增的电压脉冲作为电极电压。

Because of the time limit,we investigated the bipolar plate voltage of electrolyzer only.The result shows that the time and the dose of sulfonating agent are key factors of controlling the bipolar plate voltage of electrolyzer.

由于时间仓促，仅对电解槽两极板间电压进行实验，结果表明磺化时间以及实验中磺化剂的用量都是控制电解槽两极板间电压的主要因素。

In this paper, a novel Crowbar control strategy is proposed to limit the over current in the rotor and the over voltage of the DC bus as well as the transient oscillation of the electromagnetic torque. Moreover, a capacitive current is injected into the grid to assist the recovery of the grid voltage.

文章提出了一种Crowbar控制策略，能有效抑制转子过电流、直流母线过电压以及电磁转矩的振荡，并可向电网注入无功电流以帮助电网电压的恢复。

Due to its good effect in the reservation of information of signal abrupt change, mathematical morphology is often applied in the detection and location of short-term power quality disturbance, however, there is still a defect of invalid detection existing in partial detection methods based on mathematical morphology while some zero-crossing disturbances are detected. In this paper three mathematical morphology based disturbance detection and location methods, i.e., the method based on first-order derivation and morphological gradient, the method based on morphological gradient and soft threshold processing and the method based on dq decomposition and top-hat transform, are analyzed, that is, by means of simulation the adaptability of these methods in the analysis on the signals of voltage sag, voltage swell and electromagnetic transient oscillation is compared.

数学形态学因其在保留信号突变点信息方面有很好的效果，因此常用于短时电能质量扰动的检测和定位，但基于数学形态学的部分方法仍存在对某些过零点扰动检测失效的缺点，文章分析了3种基于数学形态学的扰动检测和定位方法，即基于1阶求导和形态梯度的方法、基于形态梯度和软阈值处理的方法、基于dq分解和高帽变换的方法，通过仿真比较了3种方法在分析电压暂降、电压暂升、电磁暂态振荡等信号方面的适应性，结果发现基于dq分解和高帽变换的方法在检测过零点扰动时具有很好的效果，因此选取这种方法对实测扰动数据进行了检测和定位分析。

These materials have excellent chemical and thermal stability, high melting point, high thermal conductivity, high breakdown voltage and large carrier mobility rate especially the smaller electron affinity and potential or even a negative electron affinity, and the situation has greatly reduced the market launch of the threshold voltage, therefore, Field emission of such material will have a very vast potential for development and application prospects.

这些材料具有良好的化学与热稳定性、高熔点、高热导率、高击穿电压及大的载流子迁移率，特别是较小的电子亲和势甚至是负的电子亲和势，大大降低了场发射的阈值电压，因此，这类场发射材料将有着极为广阔的发展潜力及应用前景。

In the electrotechnics basis theory, it's very convenient to solve one branch's voltage and current by the equivalent transformation between the voltage source and current source.

利用电压源与电流源之间的等效变换求解某一支路电压、电流，是电工基础理论中非常方便的方法。

Introduces how to prevent and emendation control the voltage instability program of electric power system using the indicator of voltage instability in detail.

详细介绍了利用电压不稳定指示器来预防与校正控制电力系统中的电压不稳定性问题。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48