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- hydrogen donor order 供氢顺序
- The development of kinds of commercial hydrogen donor promotes the development of visbreaking technics. 各种不同种类的供氢剂投入工业应用促进了减粘裂化工艺的发展。
- The synergism between oil soluble dispersed catalyst and hydrogen donor in hydrocracking processing inferior residue was studied in the laboratory. 在实验室考察了复合使用不同供氢剂与不同的分散型催化剂对劣质减压渣油加氢裂化的协同作用,以改善渣油的深度加工。
- A series of pharmacophore models were generated by the GASP method and offered the hydrophobic, hydrogen donor and acceptor phormacophores. 三维定量构效关系模型得到的是分子侧链与活性的关系，相同基团部分具有很少的信息。
- Both groups convert carbon dioxide into organic compounds using photosynthesis, genetally using water as a hydrogen donor to yield oxygen, like green plants. 它们与绿色植物一样，都可以利用光合作用把二氧化碳转变为有机物质，普遍使用水作为氢供体来产生氧气。
- Hydrogen donor can provide active hydrogen atom to postpone or control the forming of the second liquid phase and effectively restrain the coking when catalyst and hydrogen were absent. 供氢剂在无催化剂和氢气存在条件下 ,可提供活性氢原子推迟或阻止第二液相的形成 ,有效抑制生焦 ;
- Ammonium formate and sodium formate are the suitable hydrogen donors. 甲酸铵和甲酸钠是优良的氢源。
- hydrogen donor diluent visbreaking process 减黏裂化法
- In order not to be late, she cut across the fields. 为了不迟到，她抄近路穿过田野。
- We started early in order to arrive before dark. 为了在天黑前到达，我们很早就动身了。
- EFFECTS OF HYDROGEN DONOR ON HYDROGEN TRANSFER REACTIONS 供氢组分对氢转移反应的影响
- Test results demonstrated that the hydrogen donors of benzyl alcohol, tetralin and tetralin/tetralone all could inhibit the pyrolytic deposition of fuel to a certain extent. 结果表明，供氢剂苯甲醇、四氢萘以及四氢萘/四氢萘酮二元供氢剂均能在一定程度上抑制正十二烷的裂解；
- Test results demonstrated that the hydrogen donors of benzyl alcohol,tetralin and tetralin/tetralone all could inhibit the pyrolytic deposition of fuel to a certain extent. 选用航空燃料的主要成分正十二烷为探针燃料,考察了超临界反应条件下供氢剂、结焦抑制剂以及二者组成的复合添加剂对碳氢燃料热裂解沉积的影响。
- Water contains hydrogen and oxygen. 水含有氢和氧。
- Can you cash this postal order for me now? 你现在能帮我兑现这张邮政汇票吗？
- Give me an order of chicken curry. 给我来一份咖喱鸡。
- As a lightweight his skill is of the highest order. 作为轻量级拳击手，他的技术是第一流的。
- I'd like to place an order for some tea with you. 我想从贵公司订购一些茶叶。
- You must arrange these books in alphabetical order. 你要把这些书按字母顺序排好。
- Chemical fundamentals and effectiveness of typical industrial hydrogen donors such as FCC decant oil and its sub-fractions during mild thermal cracking of a vacuum residue were revealed. 以FCC油浆及其窄馏分作为工业供氢剂,首先测定其受热供氢能力,然后在此基础上考察了掺炼工业供氢剂对减压渣油缓和热转化生产燃料油和部分轻质油的改进效果及其化学原因。
