碳化

tàn huà
  • carbonize
  • carbonization
碳化碳化
  1. 热重分析表明,当IFR-PP受热燃烧时,IFR参与了PP的热分解反应并促使部分碳化。

    Thermogravimetric results indicate that the IFR takes part in the decomposition reactions of PP and promotes it to carbonize as the IFR PP undergoes heating and burning .

  2. 同时,催化剂中的α-Fe2O3和CuO相发生了一定程度的离析,Cu的助剂作用减弱,使催化剂在合成气气氛下难于还原碳化。

    The CuO phase in the surface layer of the catalyst was easily reduced in H_2 atmosphere , while the bulk α - Fe_2O_3 was difficult to carbonize in syngas atmosphere due to the weakening of Cu promoter effect .

  3. 地球外存在生命的理论是基于陨星上存在碳化合物质这一事实的

    One theory about the existence of extraterrestrial life rests on the presence of carbon compounds in meteorites .

  4. 用改进的BP网络研究混凝土的碳化和钢筋锈蚀

    Researching Concrete Carbonization and Bar Corrosion with Improved BP Neural Network

  5. 基于BP网络的砼碳化深度预测与分析

    A Study on Carbonization Depth Forecast of Concrete Structures Based on BP Neural Networks

  6. 用H(52)-S4环氧厚浆涂料进行桥梁混凝土防碳化处理

    Application of h_ ( 52 ) - s_4 epoxy paste coating to concrete bridge for anti-carbonization

  7. 实验证明,某些球形碳化树脂对于惰性气体,永久气体和C1~C3低碳烃气体具有良好的分离能力。

    It has been proved that the separation efficiency for inert gases , permanent gases and C1-C3-light hydrocarbons is excellent .

  8. 用DNA-球形碳化聚合物吸附剂由血液灌流除去哺乳动物血中DNA抗体及其免疫复合物

    Removal of DNA Antibodies and DNA Immune Complexes from Mammal Blood with Spherical Carbonaceous Polymeric Adsorbent by Hemoperfusion

  9. 纯碱生产碳化过程的国产DCS控制

    National Distributed Control System for Carbonification Process of Soda Ask Manufacturing

  10. 硅衬底碳化对异质外延SiC薄膜结构的影响

    Effect of carbonization on the heteroepitaxial growth of SiC films on Si substrates

  11. w/o型微乳液碳化法制备超细Al(OH)3与Al2O3粉体的研究

    Preparation of Al ( OH ) _3 and Al_2O_3 Nano-powders by Carbonize w / o Microemulsion System

  12. 反应温度升高至750?C时,界面反应更容易,镀层主要为立方相碳化钛,由不规则几何形的纳米颗粒组成,镀层比较光滑。

    While the relatively smooth coating deposited at 750 ? C is almost cubic phase TiC , for higher temperature promotes the interface reaction .

  13. 民用纺织大丝束PAN原丝的碳化处理工艺研究

    A study on carbonization process of textile large tows pan crude filament for civil

  14. 碳化钨粒径的大小是影响其催化活性的主要因素,在碳化钨中掺杂Ni,也能提高其催化活性。

    Particle size of tungsten carbide is one of the important factors influencing on the electrochemical reactions .

  15. 碳化硼涂层中还发现了由B、O和Fe三种元素组成的杂质相,其显微硬度比碳化硼低,这是碳化硼涂层显微硬度同碳化硼陶瓷相比要低的一个重要原因。

    Another impurity phase , which consists of B , C and Fe elements , will decrease the microhardness of B_4C coating .

  16. 测定有机氧元素的新型Mo/碳化树脂催化剂的研制

    Preparation and study of a new mo / carbonaized resin catalyst for determination of oxygen in organic compounds

  17. TD处理的碳化钒覆层形成过程

    Formation Process of Vanadium Carbide Coating through TD Treatment

  18. 对部分碳化试件还利用pH计测试了混凝土的pH值,试验结果表明本文采用的测试混凝土pH值的方法是可行的。

    This paper also introduced a method of using pH device to measure the pH of different carbonization degree concrete , and offered the changes of the pH.

  19. CeO2、Y2O3和MgO对镍基碳化钨金属陶瓷熔覆层裂纹及组织的影响

    The Effect of CeO_2 、 Y_2O_3 and MgO on The Crack Tendency and Microstructure of Ni / WC Cladding Layer

  20. La2O3-Mo阴极表面碳化层作用机制研究

    Study on function mechanism of carbonized layer at the surface of la_2o_3-mo cathode

  21. La2O3-Mo阴极碳化工艺研究

    A study on the carbonizing processes of La_2O_3-Mo cathode

  22. 基于ANFIS的混凝土碳化预测模型

    A Prediction Model for Concrete Carbonation Based on ANFIS

  23. 研究了碳酸锂碳化反应动力学,利用气-液-固三相机械搅拌反应器,通过监测反应过程中CO2气体的压力变化与消耗情况,计算出反应速率,简化了分析步骤。

    The kinetics of the carbonization reaction of lithium carbonate was studied . A gas-liquid-solid three-phase mechanical agitated reactor was used as the reactor .

  24. 以聚丙烯腈(PAN)为原料,通过溶解预混致孔剂的方法制备了一批碳前驱体,然后在一定条件下碳化活化,制备了一系列的多孔碳材料。

    A number of porous carbons with high percentage of mesopore were prepared by using MgO as activation agent and polyacrylonitrile as precursor .

  25. MDI基碳化二亚胺耐水解稳定剂的研制

    Synthesis of MDI-based Carbodiimide Hydrolyze-Resistant Reagent

  26. 研究了活性粉末混凝土(ReactivePowderConcrete,RPC)的强度、动弹模量、气体渗透性、碳化以及长期热处理条件下的膨胀性等宏观性能。

    Properties of reactive powder concrete ( RPC ), such as strength , dynamics elastic modulus , air permeability , carbonization , and dilation potential under long-term heat treatment condition were investigated .

  27. 碳化Mo-La2O3阴极丝高温光电子能谱分析

    High Temperature XPS Analysis of Mo-La_2O_3 Cathode Wire

  28. 最后对PAN结构链的振动模式进行分析得出,在对PAN进行预氧化及碳化处理时,先发生的是脱氢反应,随着温度的升高,产生环化,从而使环化与脱氢同时存在。

    Finally , the vibration models of the chain have been analyzed to clarify the reaction sequence of dehydrogenation and cyclization during pre-oxidation and carbonization of the polyacrylonitrile .

  29. 并结合统计方法、自组织神经网络和BP神经网络进行最大碳化深度预测,力求将单一方法存在的弊病进行弥补。

    The max-carbonization of concrete structure is analyzed through adaptive probability statistics method , resonance theory networks , back propagation ( BP ) networks , which make the best of the one method .

  30. 用真空熔烧方法在钢表面上获得不同碳化钨含量的Co基合金-WC复合涂层。

    Using vacuum fusing sintering method , a series of Co base alloy-tungsten carbide composite coatings with different tungsten carbide contents have been obtained on the surface of steel .