“加氢改质”的概念、定义、翻译、参考文献-科学参考

单词	加氢改质
释义	加氢改质 Encyclopedia 工学固定床加氢释 hydroupgrading加氢改质在一定温度、氢气和催化剂存在的条件下，使原料馏分（一般指劣质柴油）发生加氢脱硫、加氢脱氮、烯烃加氢饱和、芳烃加氢饱和、异构、开环、裂化反应，生产石脑油或汽油、喷气燃料、清洁柴油等过程。是石油炼制过程之一。
随便看	position reporting position representation position retrieval Positions and Proper Motions Star Catalogue position sensitive detector position sensitive proportional counter position sensor position servo system position space renormalization group position strap-down inertial guidance position strapdown inertial navigation system position system position telesthesia position title position tracker and 3D interaction position transducer position vector position weight matrix position weight matrix, PWM positivation positive positive affine mapping positive aging positive analytic function positive and negative

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。