英汉例句

• as the steam cracking feedstocks, the ethylene yield of the desorption oil increased 6.5 percentage compared to the condensate oil in the similar conditions.

  脱附油作为蒸汽裂解制乙烯原料，与凝析油相比，在相同的工艺条件下乙烯收率可提高6.5个百分点。

• a method for predicting product-yields of naphtha steam cracking was established by means of bp neural network model.

  采用bp神经网络模型建立了石脑油裂解产物收率的预测方法。

• developing trend of world ethylene industry was analyzed. recent development of steam cracking and progress of other new ethylene technologies were introduced.

  分析了世界乙烯工业的发展趋势，介绍了管式炉蒸汽裂解制乙烯技术的进展状况，以及各种乙烯生产新技术的研究进展情况。

• the technology of separating normal paraffins from the naphtha through the adsorption process was studied to optimize the steam cracking feedstock and utilize the naphtha resource properly.

  为了优化乙烯裂解原料并合理利用石脑油资源，将石脑油中的正构烷烃进行分离。

• the unconverted oil was a good feedstock for steam cracking and its ethylene yield was 2%-3% higher than that of daqing ago feedstock. rmc technology also showed the flexibility for processing the mi…

  蒸汽裂解试验显示尾油馏分是很好的蒸汽裂解制乙烯原料，其乙烯收率较大庆ago高2～ 3个百分点。

• in this dissertation, conversion rules about steam cracking of vegetable oils is primarily studied in self-made tubular cracking reactor.

  本论文在自行设计建立的管式裂解炉实验装置上，对植物油蒸汽裂解的转化规律进行了初步探讨。

• the invention relates to continuous type steam cracking equipment and a cracking furnace used for the equipment.

  一种连续式蒸汽裂解设备及供其使用的裂解炉。

• new technology of inhibition of coke formation and its application in the ethylene steam cracking are also introduced.

  综述了近几年在乙烯裂解过程中结焦机理研究及结焦抑制技术的进展。

• propylene and ethylene are the major raw chemical materials for organic chemical industry, which are mainly derived from hydrocarbon steam cracking process.

  丙烯、乙烯是重要的基本有机化工原料，且二者的市场需求日益旺盛，其主要来源是蒸汽裂解装置。

• studies on the operating parameters with hydrogenation tail oil as feedstock to provide reliable scientific data for commercial steam cracking were conducted on a pilot plant.

  为更好地掌握加氢尾油作裂解原料的工艺参数，为装置工业化生产提供可靠的科学依据。

• naphtha is the main feedstock for steam cracking process, therefore its property directly influences the yields of main cracking products and the operation cycle of cracking furnace.

  石脑油作为蒸汽裂解工艺的主要原料，其性质直接影响裂解主要产品收率和裂解炉操作周期。

• progress in coking inhibition technique in ethylene steam cracking recently at home and abroad is summarized in this paper.

  综述了近几年在乙烯裂解过程中国内外结焦抑制技术的进展。

• a new process for producing roofing asphalt from petroleum residua by steam cracking and condensation has been studied in the laboratory.

  在实验室中研究了一种从石油残渣油制取建筑沥青的新工艺——水蒸汽裂解缩合。

• steam cracking performance of aromatic extracted naphtha, 5a molecular sieve dewaxing treated naphtha and f-t synthesis oil had been studied.

  利用芳烃抽提、分子筛脱蜡等方法改进裂解原料，并对f-t合成馏分油的裂解性能进行了初步研究。

• different technological routes have different development prospects:continuously optimized steam cracking technology will remain the main route for producing low-carbon olefin;

  各技术路线的发展前景呈以下特点：蒸汽裂解技术不断优化仍是生产低碳烯烃的主要路线；