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1)  EH-4 system
EH-4系统
1.
With regard to the spectral leak problem of EH-4 system caused by Fourier transform of limited time and discrete sampling, the frequency spectrum characteristics of EH-4 signals in Fourier transform under the different windows and their influence on signal analysis are discussed.
针对EH-4系统有限时长的离散傅立叶变换引起的谱泄露问题,研究了EH-4信号在傅立叶变换中不同尺度窗口下的频谱特点,不同尺度窗口对EH-4信号分析的作用和影响。
2.
EH-4 system is a frequency domain electromagnetic sounding system,which combined the controlled source with the natural source.
EH-4系统属于部分可控源与天然场源相结合的一种频率域电磁测深系统。
3.
Since the water in salt wells has the feature with the moderate temperature and high salinity,the high-frequency magnetotelluric sounding of the EH-4 system is used to obtain the information in the deep reservoir and the information of water channel,and it also predicts the storage in salt mining of this area.
鉴于盐井地下水具有中温、高矿化的特点,采用EH-4系统高频大地电磁测深探明深部储层的信息及含盐地下水上升的通道信息,进一步预测该区域盐矿层赋存状态,通过实例证明该方法可行的。
2)  EH-4 electromagnetic system
EH-4电磁系统
1.
Application effect of EH-4 electromagnetic system in gold deposit finding: Taking example of Shanhou deposit in Shandong and Yangshan deposit in Gansu;
EH-4电磁系统用于金矿找矿的效果——以山东山后和甘肃阳山矿区为例
3)  EH-4 electrical conductivity imaging system
EH-4电导率成像系统
1.
Characteristics of EH-4 electrical conductivity imaging system and its application to ore exploration;
EH-4电导率成像系统的特点及其在金属矿勘探中的应用
4)  EH-4 electromagnetic imaging system
EH-4电磁成像系统
1.
The application of the EH-4 electromagnetic imaging system to the detection of concealed structure
EH-4电磁成像系统在隐伏构造探测中的应用
5)  EH system
EH系统
1.
The paper presents the composition of turbine EH system in Yue Liang Wan Gas Turbine Power Plant.
介绍了深圳月亮湾燃机电厂汽轮机液压调节(EH)系统的组成,对系统的常见故障(EH系统压力低、EH系统油温高、进汽阀门或调节阀打不开以及管路或阀门外漏)进行了分析,提出了EH系统的维护和故障防范措施。
2.
The article introduces the analyzing for technical reconstruction of EH system of Qinshan Nuclear Power Plant, Depending on the characteristics of EH system, some proposals about trouble shooting of EH System are made.
对秦山核电站EH油系统的改造进行分析,并根据EH系统的特点,对EH系统的故障诊断提出一些参考意见。
3.
Several kinds of faults with the EH system that occurred in initial operation period of a native-made 600 MW steam turbine unit were introduced in this paper.
文章介绍了某电厂600 MW汽轮机组投产初期EH系统发生的各种故障,通过对故障进行分析研究,指出故障发生的根本原因及处理方法。
6)  EH oil system
EH油系统
1.
Discussion on transformation of EH oil system;
关于EH油系统改造问题的探讨
2.
Study on fault analysis and treatments of EH oil system of 300MW turbine set;
300MW机组EH油系统故障分析及防范措施
3.
The problems encountered during up grading of EH oil system for 200 MW power ge nerating set,such as abnormal operation of oil-driven machine,leakage from energy acc umulator,and excessively low pressure in E H oil system,are analysed for causes,and as a result,specific solutions are proposed f or these problems.
介绍了双电公司200MW机组EH油系统改造中发生的问题,如油动机动作异常、蓄能器漏泄、EH油系统压力过低等问题。
补充资料:adipol 2eh
CAS:103-23-1
分子式:C22H42O4
分子质量:370.57
沸点:417℃
熔点:-67℃
中文名称:己二酸二(2-乙基己基)酯;己二酸二辛酯;塑料助剂DOA;己二酸二辛酯-2;双-2-乙基己基二酸

英文名称:di(2-Ethylhexyl) adipate;Dioctyl adipate;Hexanedioic acid, bis(2-Ethylhexyl) ester;adipic acid, bis(2-ethylhexyl) ester;adipol 2eh;ado (lubricating oil);di(2-ethylhexyl)adipate;di-2-ethylhexyl adipate

性状描述:无色或微黄色油状液体。沸点210℃(0.67kPa),175℃(0.27kPa),167℃(0.130kPa),相对密度0.990(20/4℃),折光率1.4470。闪点193℃。溶于多数有机溶剂,微溶于乙二醇类,不溶于水。有特殊气味。

生产方法:由己二酸和2-乙基己醇在硫酸催化下减压酯化而得。工业品己二酸二(2-乙基己基)酯含量≥99%。

原料消耗(kg/t) 己二酸 415 2-乙基己醇 750

用途:该品是聚氯乙烯的优良耐寒增塑剂,赋予制品优良的低温柔软性,并具有一定的光热稳定性和耐水性。在塑溶胶中,初期粘度低,粘度稳定性良好。常与DOP等主增塑剂并用于耐寒的农用薄膜、电线、薄板、人造革、户外用水管以及冷冻食品的包装薄膜。还可作为许多合成橡胶的低温增塑剂以及硝基纤维素;乙基纤维素等树脂的增塑剂。

在实验室工作中用作气相色谱固定液。

己二酸二(2-乙基己基)酯的毒性很低,对人的致死量大约为500000mg/kg,对大鼠口服LD50为3000-6000mg/kg,对皮肤及眼睛的刺激也很轻微。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条