查询词典 LPG

The results showed that, both diene and alkaline nitrogen-containing compounds had negative influence on the aromatization stability of the catalyst.

用小型固定床加压反应器研究了液化石油气（C4 LPG）中的丁烯在纳米ZSM-5型催化剂DLG-1上的低温芳构化反应，重点考察了原料中二烯烃和碱性氮杂质，以及反应温度、压力和C4 LPG进料重量空速条件对催化剂芳构化反应活性及稳定性的影响。

The burning speed of LPG is also lower than that of gasoline Otherwise, the original engine is designed for gasoline. It can't take advantage of the characteristics of LPG, such as high octane number and so on.

另外，原发动机是按照汽油的燃烧特性设计的，其参数不能充分发挥液化石油气的特点，如高辛烷值等。

Besides, the spectrum property of the phase shift LPG with different phase shift in different position and parallel or cascade LPG were also analyzed and studied. The fiber gratings parameter and combination fit for refractivity measure were selected.

此外，还分析和研究了在不同位置引入不同相位跳变的相移光栅、并联长周期光纤光栅以及级联长周期光纤光栅的光谱特性，选择出适用于折射率测量的合理光栅参数及光栅组合方式。

At seven production sites located in the Netherlands, Germany, UK and China we produce: Expansion vessels and automats; Venting equipments and dirt separators; Water heaters and storage vessels; Pipe support materials; Radiator support materials; LPG tanks and OEM products.

集团在德国、英国、荷兰和中国拥有七个生产基地，主要提供以下产品：压力膨胀罐与定压设备、排气装置、气体分离设备、热交换器及储热水罐、管道紧固件、暖气片支架、LPG液体石油气储罐等定制产品。

According to the algorithm analysis on defintion of the dewpoint in the gas contaning LPG, the dewpoint expression under different conditions can be deduced and a safe content limit for C5 constituent in the gas under different conditions can also be determined.

通过对含有LPG的燃气的露点计算方法的分析，导出在不同条件下的露点表达式。

Test results show that: Compared with LPG fuel alone, the use of hydrogen as a motor fuel gas mixture, the engine more stable, dynamic and have varying degrees of sexual improve emissions, but NOx emissions increase.

试验结果表明：与LPG单燃料相比，使用含氢的混合燃气作为发动机燃料后，发动机工作更为平稳，动力性和排放性都有不同程度的改善，但NO_X的排放量有所增加。

The application of Liquefied Petroleum Gas in engine has been popularized and applied in recent years, but one distinctive disadvantage existing in both of them when applying the first or second LPG supplying system is that the driving performance drops to some degree .

近年来液化石油气用作发动机燃料已经得到了一定的推广和应用，但是采用第一、二代LPG燃料供给技术有一个明显的缺点就是动力性都有不同程度的下降。

The effects of different compression ratios and spark advance angles on the performance and emission of the LPG engine were studied.

借助设计的控制系统实现了发动机各个工况下喷气量和点火定时的控制，并通过试验对发动机燃田汽油和LPG两种情况下的性能进行了对比分析。

Through many safe and costeffective technologies, the DME is being bottled, being mixed with LPG as a compound fuel, and being processed as a raw material to obtain other substitutes for gas fuels in city gas network, thus, the volume of DME utilization will be highly improved to solve the production surplus recently.

开发安全、经济可行的瓶装二甲醚、LPG复合燃料供气以及以二甲醚为原料生产代天然气产品供应城市管网的技术，可以极大提高二甲醚利用量，有效破解目前国内二甲醚产能相对过剩的难题。

he effect of the spark energy on the emissions was investigated on a small LPG SI engine (125 mL, 4stroke, watercooled, singlecylinder, with electronically controlled fuel injection).

结合四冲程、水冷125 mL单缸电控喷射摩托车发动机，对LPG在小型点燃式发动机上应用时，点火能量的改变对发动机排放的影响进行了试验研究。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了