英语释义

1. an electronic device that informs the pilot of an airplane of its distance from a particular ground station

片语

DME POS矫形用品

VOR DME飞行方法

Remote DME测距仪

DME syngas二甲醚合成气

DME Oman阿曼原油

dme combustiondme燃烧

DME indicator测距装置指示器

DME dimethoxyethane二甲醚

英汉例句

• AGILITY TUNING, the capability of the DME to alternately tune between two different DME stations in order to get two distance readings from one interrogator.

  快速调谐，机载DME通过交替调谐两部地面DME电台以测得来自同一台询问机的两个距离数据的能力。

• DME volume set to more believable level.

  已将音量调到更令人信服的水平。

• The emission characteristics of a DME fueled HCCI engine with compression ratio of 10.7 was studied experimentally.

  试验研究了压缩比为10 7的二甲醚均质充量压缩点燃燃烧发动机的排放特性。

• A suited suggestion of technology of producing DME for our country is presented.

  对国内二甲醚生产技术提出了合理建议。

• The process conditions for producing high purity DME of aerosol grade by catalytic dehydration of methanol in gas phase were studied and tested by using alumina as a catalyst.

  以甲醇为原料，氧化铝为催化剂，对甲醇气相催化脱水制气雾剂级高纯二甲醚的工艺条件进行了试验研究。

• While the proportion of DME increased, the ignition time advanced, the peak heat release rate increased, and the combustion duration decreased.

  DME比例加大，着火始点提前，放热率峰值上升，燃烧持续期缩短。

• The deed of transfer in terms of which the DME alienated the mineral rights defined these as certain 20 unnumbered base mineral claims.

  契约中的条款，其中二甲醚疏远了矿业权定义了这些如某些矿物索赔20门牌基地转移。

• In addition to the significant merit of no soot emission, DME would be of better ignition quality, lower autoignition temperature and better atomization compared to diesel fuel.

  除了无碳烟排放的重要特点以外，和柴油相比二甲醚还具有较好的燃烧性能、较低的自燃温度和较好的雾化特性。

• The results show that at the same fuel delivery advance angle, engine speed and load, the line peak pressure and rate of pressure increment and decrement of DME are lower than that of diesel fuel.

  试验结果表明：在供油提前角、转速和负荷相同的情况下，燃用二甲醚时油管泵端和嘴端压力的上升和下降速度、压力峰值都比燃用柴油时低；

• The process design is completed for the key equipment of heat exchanger for the process streams of inlet and outlet, DME rectifying tower and methanol distillation tower.

  还完成了关键设备进出气换热器，DME精馏塔和甲醇蒸馏塔的详细工艺设计。

• DME with its special physical and chemical properties can achieve efficient and low polluting combustion, and has gained extensive attention.

  二甲醚由于其特殊的理化特性，能够实现高效低污染燃烧，而受到广泛重视。

• Return on total capital investment is strongly affected by DME prices.

  二甲醚的售价强烈地影响投资收益率。

• Compared with fossil diesel, biodiesel from waste cooking oil, DME from natural gas or coal, and F-T diesel from natural gas have economic competition.

  与石化柴油比较，以废弃食用油或泔脚油为原料的生物柴油，以天然气和煤为原料的DME以及以天然气为原料的F—T柴油具有经济竞争力。

• Near the chamber wall and impingement spray, the spray angle of the diesel fuel spray increased very fast, but that of the DME spray almost had no significant change.

  在燃烧室壁面附近，柴油的喷雾锥角迅速增大，而DME喷雾锥角几乎没有明显的变化。

• The catalyst prepared by precipitation sedimentation method had a higher catalytic activity for DME synthesis than the catalyst prepared by mechanical mixing method.

  采用共沉淀沉积法制备的催化剂对于二甲醚合成的活性明显高于机械混合法制备的催化剂。

• DME can be used to replace diesel oil and LPG.

  二甲醚可代替柴油和液化石油气。

• In this work, the line pressure at fuel pump side and at injector side, nozzle needle lift and sound velocity of dimethyl ether (DME) were measured to evaluate DME injection process.

  系统研究了二甲醚(DME)燃料的喷射过程，测试了不同工况下的油管泵端压力及嘴端压力、喷油器针阀升程和油管中燃料的音速。

• This technology solves the problem in handling and transferring CFCs「 substitutes like DME and LPG safely in industrial aerosol production, when CFCs」 is prohibited from being used as propellant.

  该技术解决了禁用氟氯烃后，气雾剂行业工业化大生产条件下二甲醚、液化石油气等替代型推进剂的贮配供应问题。

• DME cost is affected by natural gas prices.

  敏感性分析表明，天然气的价格影响二甲醚成本；

• The results show that DME operation has longer injection delay, lower maximum cylinder pressure, lower ratio of pressure rise, shorter ignition delay in comparison with diesel operation.

  结果表明：与柴油相比，发动机燃用二甲醚时的喷油延迟期延长，滞燃期缩短，最高爆发压力和最大压力升高率均低于柴油机。

• The results show that the internal hot EGR has remarkable effect on DME ignition process with HCCI combustion.

  研究结果表明：内部热EGR对DME的HCCI着火过程有着显着影响。