化学物种

  • 网络chemical species
化学物种化学物种
  1. XPS定量分析及其在CdTe(Ⅲ)面识别化学物种中的应用

    Application of Quantitative XPS to Chemical Species Identification on Surface (ⅲ) of CdTe

  2. 多环芳烃(PAHs)是一类典型的持久性有毒物质,具有致畸、致癌、致突变三致毒性,是目前已知环境中最大量的具有致癌性的单一化学物种。

    Polycyclic aromatic hydrocarbons ( PAHs ) are typical persistent poisonous matters known for their toxic , mutagenic and carcinogenic properties which are the largest number of carcinogenic single chemical species in the current known environment .

  3. 氧等离子体处理方法可有效地消除C污染,而残存的少量污染C被部分氧化形成含羰基和羧基的化学物种。

    Oxygen plasma treatment can effectively remove this carbon contamination and considerably enhance the oxygen content of the films .

  4. 北京PM(2.5)化学物种的质量平衡特征

    Characterization of mass balance of pm_ ( 2.5 ) chemical speciation in Beijing

  5. 采暖期重污染周和春季沙尘周PM25的化学物种构成悬殊,反映了季节性变化的源排放和特殊气象条件的综合作用。

    PM 2.5 chemical speciation was very different between the week with heavy pollution in heating season and that with severe dust storm in spring , which resulted from the combination effects of source emission varied with seasons and special meteorological conditions .

  6. 煤气化反应中表面化学物种的研究煤氧复合速率变化规律研究

    The surface oxygen complexes in coal gasification study on the rate of coal oxygen reaction

  7. 光致变色现象是指一个化学物种在吸收光谱明显不同的两种形态之间的可逆的,至少其中的一个过程是光驱动的转换反应。

    Photochromism is defined as a reversible phototransformation of a chemical species between two forms having different absorption spectra .

  8. 这些探针试剂可以通过与生理和病理反应的化学物种在自然状态下发生作用而进行信息表达,而且对生命系统的干扰最小。

    These probes offer powerful reagents to interrogate the physiology and pathology of reactive chemical species in their native environments with minimal perturbation to living systems .

  9. 中药药效的物质基础和作用机理研究新思路(一)&中药中化学物种形态和生物活性关系的研究

    New Thinking About Study of Pharmacodynamic Material Basis and Functional Mechanism in Chinese Materia Medica & Study on the Relation between Morphology and Biological Activity of Chemical Species in Chinese Mate

  10. 铁催化剂上的化学吸附物种和固氮成氨

    Chemisorbed Species and Fixation of Dinitrogen to Ammonia on Iron Catalysts

  11. 无法培养的大部分微生物可商榷地代表我们地球上最大的一群尚未探索的生物与化学新物种。

    The " uncultivable " microbial majority arguably represents our planet 's largest unexplored pool of biological and chemical novelty .

  12. 硒、钼、钒污染环境的生态地球化学修复物种筛选与展望

    Selection of Plant Species for Ecologically Geochemical Phytoremediation of the Environments Polluted by Selenium , Molybdenum and Vanadium and Its Perspectives

  13. 研究了不同介电特性的固体填料对气液固三相放电水处理反应器的放电特性以及反应器中的主要化学活性物种生成的影响。

    Influence of different solid packing on the electrical discharge characteristics and the formation of the chemically active species in the solid-liquid-gas three phase discharge plasma reactor initiated by a bipolar pulsed power were studied .

  14. NO3自由基与N2O5是对流层夜间化学的关键物种。

    The nitrate radical NO_3 and N_2O_5 play key roles in the night_time chemistry of troposphere .

  15. 高炉焦炭中矿物质的化学形态和物种

    Chemical States and Species of Mineral in Blast Furnace Coke

  16. 传感器是一类转换器,可选择性地将分析对象的信息(如酸度、浓度、粘度、化学或生物物种等)转变为分析仪器易测量的物理信号。

    Sensors are able to transform the information of the targets ( e.g. acid , concentration , viscosity , chemical or biological types ) into physical signals that can be measured by analytical instruments .

  17. 基于部分局部化学平衡理论(PLEA),建立了新的酸化模型即地球化学模型,该模型考虑包括所有化学物种在内的受动力学控制的反应和受平衡控制的反应。

    Based on the partial local equilibrium assumption ( PLEA ), establish a new model : geochemical simulator , which allows an arbitrary number of both kinetic and equilibrium reactions involving an arbitrary number of chemical species .

  18. 采用化学分析、电子能谱(EDS)、X射线衍射(XRD)和X光电子能谱(XPS)等方法,研究了高炉入炉焦和风口焦中矿物质元素种类、含量、化学形态及物种。

    The chemical states and species of mineral in cokes from different blast furnaces were studied by chemical analysis , EDS , XRD and XPS .