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diesel
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  4型
     Reason analysis of misoperation of DJ for DF_4 diesel locomotives
     DF_4型机车非主回路接地引起DJ动作的原因浅析
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     The common failure analysis of combined governor for DF_4 diesel locomotives
     DF_4型内燃机车联合调节器常见故障浅析
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     Reason analysis and prevention measures of the brake shoe of individual brake cylinder holding the wheel for DF 4 diesel locomotives
     东风_4型内燃机车单个制动缸上闸抱轮的原因分析及防止措施
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     Reason Analysis for the Leakage of Water Pump for DF4 Diesel Locomotive and the Improvement Measure
     DF4型内燃机车水泵漏水的原因分析及改进措施
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     Application of One-Component Regression Analysis in Iron Spectra Monitoring of Dongfeng 4 Diesel Locomotive Diesel Engine
     一元回归分析在东风4型内燃机车柴油机铁谱监测中的应用
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  “4 diesel”译为未确定词的双语例句
     A Study on Fire Forecast of Electric System in DF_4 Diesel Locomotive
     DF_4内燃机车电气系统火灾预报的研究
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     This paper is a research report on the fire forecast system of DF_4 diesel locomotive.
     本文是DF_4内燃机车火灾预报系统的研制报告。
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     By analyzing the development status of diesel engine oil, the necessity,urgency and possibility to develop CH 4 diesel engine oil are put forward.
     通过对柴油机油发展现状的分析,论证了研制CH 4柴油机油的必要性、紧迫性和可能性。
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     PLASMA TRANSFERRED ARC SURFACING OF DF4 DIESEL ENGINE EXHAUST VALVE
     DF4内燃机车柴油机气门等离子喷焊
     Development of the system for over-rotating-speed control and protection of DF_4 diesel locomotive engine
     DF_4内燃机车柴油机超转速控制保护装置的研制
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  相似匹配句对
     4?
     4、G .
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     4-l .
     4、在 1992-2000年整个试验期间,年度之间水稻产量彼动较大,气候明显影响了稻谷产量。
短句来源
     Development of 4L22 Diesel Engine
     4L22型柴油机的开发
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     DF4D Series Diesel Locomotives
     东风4D系列内燃机车
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This paper presents an investigation of the"Automatic Operator" of Diesel Loco-motive based on the principle of compound programming control. According to the sur-rounding conditions of locomotive, the"Automatic Operator"can change its structure automatically in order to obtain better quality of control.In this paper, the principle scheme, the characteristics of"Automatic Operator" and the experimental results of automatic control of Diesel locomotive with "Automatic Operator"are presented, the principle...

This paper presents an investigation of the"Automatic Operator" of Diesel Loco-motive based on the principle of compound programming control. According to the sur-rounding conditions of locomotive, the"Automatic Operator"can change its structure automatically in order to obtain better quality of control.In this paper, the principle scheme, the characteristics of"Automatic Operator" and the experimental results of automatic control of Diesel locomotive with "Automatic Operator"are presented, the principle and the design of logical circuit for changing the characteristics of"Automatic Operator"is emphasized. The latter part of the paper in-cludes a discussion of quality of control; and finally, formulas for determining the para-meters of the control system are derived.

文内介绍了采用复合控制原理和根据机车所处客观条件自动切换系统结构的内燃机车程序控制方案,介绍了按此方案制成的(自动司机)总体线路及其性能.介绍了利用这台控制机进行内燃机车自动驾驶的全面试验结果.文中着重讨论了自动切换系统结构的逻辑装置的设计计算.给出了综合这类系统参数的计算公式.此外,对系统的控制质量进行了详细讨论.

The solubility equilibria between No.1 light gas oil and liquid SO_2 as well as the distribution of the sulfurous,nitrogenous,and some unsaturated com- pounds(94% H_2SO_4 soluble)in above two phases at -10°,0° & 20℃ were presented. In comparison with other solvents,liquid SO_2 is an excellent solvent for refining shale oil,as it has better selectivity and higher capacity for extrac- tion of sulfur and nitrogen compounds.It was found that at 0℃,with liquid SO_2/oil ratio 0.65(volume ratio)and two theoretical...

The solubility equilibria between No.1 light gas oil and liquid SO_2 as well as the distribution of the sulfurous,nitrogenous,and some unsaturated com- pounds(94% H_2SO_4 soluble)in above two phases at -10°,0° & 20℃ were presented. In comparison with other solvents,liquid SO_2 is an excellent solvent for refining shale oil,as it has better selectivity and higher capacity for extrac- tion of sulfur and nitrogen compounds.It was found that at 0℃,with liquid SO_2/oil ratio 0.65(volume ratio)and two theoretical stages,the refined pro- ducts satisfy the requirements for the kerosene and light diesel oil. A method for the solubility equilibrium prediction and an empirical for- mula for calculation of the refined product yield were also given.

测定了液体二氧化硫和抚顺页岩1号粗轻油在-10°、0°和20°时的液-液平衡溶解度,以及硫、氮和不饱和分在上述两相中的分布情况.试验证明,液体二氧化硫是一种精制页岩油的优良溶剂.与其他溶剂精制法比较,其选择性、脱硫和脱氮效率均较高;在得到相同氮含量和硫含量的产品时,所需的溶剂量及处理段数均最少.确定用二氧化硫精制的适宜条件为:温度0°,溶剂用量比为0.65(体积),处理段数为两段.在上述条件下经过处理后,所得精制油基本上可以合乎煤油和高速柴油的规格.根据实验结果提出了平衡数据的推算方法,并求得计算在不同条件下精制油收率的经验公式.

Using pure benzene as raw material for the evaluation of catalytic activity of MoS_2, the study of the poisoning effect of pyridine and the "nitrogen compounds" separated from diesel fraction of Shale oil on MoS_2 catalyst was carried out. The experiments show that when the MoS_2 catalyst is previously treated by pyridine or "nitrogen compounds" under high pressure at lower temperature(300℃), it loses its activity for the hydrogenation of benzene ring; while at higher temperature (420℃), in such case that...

Using pure benzene as raw material for the evaluation of catalytic activity of MoS_2, the study of the poisoning effect of pyridine and the "nitrogen compounds" separated from diesel fraction of Shale oil on MoS_2 catalyst was carried out. The experiments show that when the MoS_2 catalyst is previously treated by pyridine or "nitrogen compounds" under high pressure at lower temperature(300℃), it loses its activity for the hydrogenation of benzene ring; while at higher temperature (420℃), in such case that the nitrogen compounds can be completely hydrogenalyzed, therefore, the hydrogenating activity of MoS_2 catalyst remains unchanged after nitrogen compounds treatment, however, its isomerization and cracking activities are somewhat poisoned. Among these the isomerization activity is more sensitive towards: nitrogen compounds. The results also show that the pgisoning effect of pyridine is analogohs to that of the "nitrogen compounds" of diesel fraction of shale oil.

以苯作为評价MoS_2催化剂活性的原料,試驗了吡啶及頁岩油輕油“含氮化合物”对催化剂活性的影响。試驗証明在較低的溫度下(300°)經吡啶或“含氮化合物”的加氫处理后,催化剂完全失去了对苯加氫的活性;但在較高溫度下(420°以上),由于保証了含氮化合物的加氫裂解,催化剂仍保有相当的活性,其中除氫化性能几乎不受影响以外,影响最大的为异构性能,次之才为环烷的裂化性能。吡啶与含氮化合物的“毒性”,在性能上極其相近。

 
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