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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
Performance of a Diesel Locomotive Waste-Heat-Powered Adsorption Air Conditioning System
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An innovative exhausted-heat-powered solid adsorption air conditioning system with zeolite-water as working pair is designed for providing air-conditioning for the driver's cab of a diesel locomotive.
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The results of the performance testing of the prototype installed in a diesel locomotive are also discussed as well.
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Operating experience with lubricating oils in diesel locomotive engine
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Evaluation of degree of oil aging in diesel locomotive engines
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The geometric features of the body and locomotive characteristic and parameters of the flexible dorsal fin are discussed.
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One of these configurations is shown to have the advantage of separationless flow past a front locomotive and less intense diffuser separations on the afterbody of a rear locomotive.
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A local separation zone on the sides of the front locomotive's nose was detected in one of the cases considered.
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Determination of the Effectiveness of Lubricants for Locomotive Bearing Units by Means of the Acoustic-Emission Method
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The results indicate that local electrical responses may be involved in early stages of cooling perception in cells of higher plants devoid of locomotive functions.
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To reduce exposure misclassification, we obtained extensive historical information on diesel locomotives used by each railroad.
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Among workers hired after 1945, as diesel locomotives were introduced, the relative risk of lung cancer for any exposure was 1.77 (95% CI?=?1.50-2.09), and there was evidence of an exposure-response relationship with exposure duration.
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The causes of extensive damage of the main parts of diesel locomotives due to an adsorption- and corrosion-induced reduction in the fatigue strength of metals were analyzed.
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Air-borne noise from diesel locomotives may be the source of vibrations in walls that cause rattling of wall-mounted objects.
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Lung cancer mortality was elevated in jobs associated with work on trains powered by diesel locomotives.
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| | Owing to the raise of price of fuel oil, poor efficiency of gas turbine and lack of performances required by gas turbine locomotive, the earlier gas turbine locomotive ceased to run at the end of sixties of this century. | | 本文提出燃气轮发动机由于油价上涨、效率差、又缺乏机车要求的特性,致使早期燃气轮机车在六十年代末停止使用。自七十年代开始后,地面燃气轮机效率大大提高,接近柴油机效率。现代化燃气轮机车的发动机就能以现代先进地面燃气轮机为基本型式,加以改造,成为具有本文所述各项特征的发动机。现代化燃气轮机车就是以这种发动机组装在机车上的机械传动燃气轮机车,其主要特性包括:效率功率曲线与高增压电传动内燃机车的相同。不需冷却用水,不用辅助发动机,机车总体大大简化。单节大功率和技术速度与电力机车的相同。对大气的污染度和噪声级低于内燃机车的污染度和噪声级。 | | 文摘来源 | | The frequency shift type automatic block and cab signal is an automatic block signal system with frequency modulation, the development work of which was started in 1965 and at present this system has been introduced to practical application. | | 移频自动闭塞及机车信号是一种频率调制式自动闭塞制式,从1965年开始研制,目前已推广使用。移频自动闭塞制式能够满足多种牵引动力要求,对交流、直流电力牵引区段牵引电流所产生的谐波干扰和内燃机车的电磁干扰等,都具有较高的抗干扰性能。本文介绍了移频自动闭塞制式的主要特点和电路方框图,并着重地叙述了交流电力牵引区段牵引电流工频基波、谐波干扰分析和有关数据。同时,对移频自动闭塞频率参数的选择及其抗干扰性能做了一般论述。文中还对非电化区段工频50赫的迷流干扰及内燃机车的电磁干扰等提供了测试数据。 | | 文摘来源 | | This paper describes the principles of regulating performance of hydro-dynamic brake in diesel locomotive.It analyses chiefly the working principlesof control valve and limiter valve of hydrodynamic brake,and their influenceson brake performance.It gives the equations for control pressure of hydro-dynamic brake control valve,and suggests the method of regulating hy-drodynamic brake performance. | | 本文阐述了内燃机车液力制动器特性调节的基本原理,重点分析了液力制动控制阀、充量限制阀的工作原理及其对制动特性的影响,列出了液力制动控制阀控制压力的关系式,并提出了液力制动特性曲线的调整方法。 | | 文摘来源 | |   | | << 更多相关文摘 |
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