效率、空化性能及稳定性是混流式水轮机的三大综合性能指标,也是我们研究的重点。
The comprehensive performances, including the efficiency, cavitation and stability are the emphases of research of the hydraulic machinery.
以系统功耗小和响应快为指标,给出了一种适合深空探测器的电源动态管理方法,实现系统的低功耗要求。
The system response and power saving are used as index to select a suitable policy in order to achieve the design of low power for the deep space prober.
运用该指标对某电厂空冷项目实例的实验结果表明:风速、空冷平台柱高和来流风向角对冷凝器的效率有着重要影响。
Result of a practical engineering models show that great wind effects of both wind speed and the angle of the incident flow on the efficiency of the condenser.
从舰空导弹武器作战任务的需求出发,分析了舰空导弹体系的组成,给出了评估体系优劣的指标。
According to the mission requirement of the ship to air missile, analyzing the component of missile system and giving out the standard to assess system good or bad.
并进行了西南地区前兆短期预测方法及强震短期预测时、空、强指标和判据的研究和西南地区地下流体新观测方法及灵敏测项的研究。
The change patterns of precursor data and the judging indexes before most of earthquakes for medium-to-short-term earthquake prediction in southwest region of China and the cha…
所确定的指标明显低于常见的空-空弹点源信号导引头的最大跟踪角速度。
The result is obviously lower than the maximum tracking speeds of point signal seekers of ordinary air to air missiles.
文中介绍了WJ 1型过环空新型产液剖面测井仪的结构特点、工作原理以及主要技术指标。
Structural character, working principle and main technical specification of WJ-1 new type through annulus logging tool used to measure production water cut has been introduced in this paper.
错列翅片紧凑式换热器以其优良的传热性能和较高的紧凑性指标广泛应用于航天、空分等行业。
With the rapid development of refrigeration and air conditioning, compactness is getting more and more important, so Offset-Strip-Fin heat exchanger has good prospects in Air-condition application.
针对指标体系信息不完备的特定问题,建立了基于粗糙集的指标体系空值处理模型。
Aiming at incomplete information of indicator system, this paper sets up null value dealing model of indicator system based on rough set.
本文首先阐述了线性调宽式开关稳压器的组成原理;其次,计算了基准电压及占空系数,推演出电压调整率、输出内阻、效率等三项性能指标的数学公式;
The structural principle of the linear width type voltage regulator is presented and the expressions for selecting and computing the reference voltage and the duty factor are given.
本文首先阐述了线性调宽式开关稳压器的组成原理;其次,计算了基准电压及占空系数,推演出电压调整率、输出内阻、效率等三项性能指标的数学公式;
The structural principle of the linear width type voltage regulator is presented and the expressions for selecting and computing the reference voltage and the duty factor are given.
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