查询词典 cetane

Experiments were carried out on a HCCI platform to evaluate the effects of cetane number and octane number on the HCCI combustion characteristics and emissions using n-heptane, RON25, RON50, RON75, RON90, and iso-octane.

进一步在发动机上对正庚烷、RON25、RON50、RON75、RON90和异辛烷在不同负荷下的HCCI燃烧特性和排放特性进行了试验研究。

Then, through the steps of separation and purification, the values such as cetane index, flash point, kinematic viscosity, etc. finally reach the current standard of diesel fuel oil.

然后，透过几个步骤的分离和纯化，价值观，例如十六烷值指数，闪点，运动粘度等，最后达到目前标准的柴油燃油。

The high cetane number fuel can improve HC and NO x emissions.

研究结果表明，适当提高燃料十六烷值可有效降低HC和NOx排放。

It is allowed to used lower limit value if the cetane number of reference fuel is to be written into the report.

允许使用更低限值，只要基准燃油的十六烷值写入报告

The result showed that the low heat value,cetane number,viscosity of blends decreased as the content of ethanol increased in the blends.

实验结果表明：随着乙醇掺混比例的增加，混合燃料的低热值、十六烷值、粘度逐渐降低，混合燃料的低温蒸馏特性较强。

Physical and chemical properties including density, viscosity, surface tension, the flash point, cetane number, and the stability of the different contents of ethanol-diesel parameters were measured and analyzed. The experiments were performed using 0. 2%, 0.5%, 1%, 2%, 5% 10%, 15%, 20%, 25%, and 75% ethanol-diesel blends. At the same time, the influence of temperature on the blends properties was tested.

通过对不同比例（乙醇含量分别0.2%、0.5%、1%、2%、5%、10%、15%、20%、25%、75%）的混合燃料的密度、粘度、闪点、表面张力、十六烷值、稳定性和磨损性等理化性质的测试和研究，总结出了乙醇含量对混合燃料物性参数的影响规律，归纳出各种参数随温度变化的规律。

The cetane number,a widely used diesel fuel quality parameter related to the ignition delay period and combustion quality of a fuel,has been applied to alternat...

脂肪酸链中的不饱和键是导致CN下降的最重要因素。不饱和键的数目及位置对燃料特性参数CN、IV、低温流动性和氧化安定性等都具有重要的影响。

Fuel properties (such as density, heat of combustion, cetane number, flash point) of the selected blends and their emissions performance in a diesel engine were examined and compared to those of base diesel.

选取不同配比的混合燃料对其燃料特性以及在发动机上燃用时燃烧和排放状况进行了研究，并与普通柴油进行了比较。

The yield of the diesel oil is higher than 80% by the method, and the cetane number will be as high as 80, The water produced by hydrofining process can be prevented to go into the isocracking reacktor by this method, the availability and using periodic can also be improved.

该方法柴油产品收率高于80重％，其十六烷值高达80，避免了加氢精制过程生成的水进入到异构裂化反应器中，改善催化剂的利用率和使用周期。

Comparing with the diesel sales in the market, this synthetic diesel oil has the following features: cetane number higher than 74; remarkably decrease the emission of greenhouse gas; no need to change and improve the diesel engine.

与市售柴油相比，合成柴油具有无色、无硫无芳的特点，而且油品能量密度较高、十六烷值均大于74，同时能显著减少温室气体的排放，尤其是合成柴油可直接被柴油发动机使用无需任何改装。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。