浓缩系数

  • 网络BCF;concentration factor
浓缩系数浓缩系数
  1. 盐度在25&32‰情况下,浓缩系数与温度呈完全正相关;

    A perfect positive correlation existed between the concentration factor and temperature when salinity was 25-32 ‰, and a sensitive factor while pH was the limiting factor .

  2. 盐度是影响浓缩系数的敏感因素,pH值则是盐度影响的限定因素。在温度和pH值恒定条件下,浓缩系数与盐度呈明显负相关;

    When both temperature and pH were kept constant , however , a negative correlation existed between the concentration factor and salinity .

  3. 该系统中的生物相对于其所处水环境具有显著的富集痕量金属组分作用,生物体中Cu、Hg和As生物浓缩系数依次为1385、93和725。

    The bioaccumulation factors of clams are 1385 for Cu , 93 for Hg and 725 for As .

  4. 用调谐TEACO2激光多光子离解CF3H分离氘同位素,用气相色谱法确定氘的浓缩系数为1.2×10~4。

    A tunable TEA CO_2 laser is used to separate D2 by multiphoton dissociation of CF_3H . The enrichment coeff cient is obtained up to 1.2x10 ~ 4 determined by gas chromatography .

  5. 除佛山污泥处理的通菜对氯苯类和醚类的生物浓缩系数(BCF)大于1外,其余均小于1.0。

    Except the bioconcentration factors ( BCFs ) of Foshan sludge treated Ipomoea aquatic plant to chlorobenzenes and ethers were more than 1.0 , all the others were less than 1.0 .

  6. 除个别污泥处理的不同植物对有机氯农药和多环芳烃类(菲)的生物浓缩系数(BCF)小于1.0、多环芳烃类(苯并[a]芘)大部分小于1.0外,其余均大于1.0。

    Except that the bioconcentration factors ( BCFs ) of some plants treated with sludge to OCPs , part of PA and most B [ a ] P were less than 1.0 , all the others were more than 1.0 .

  7. 鲤体随酚浓度升高,浓缩系数下降。

    The accumulative coefficients of carps decrease by the rise of phenolate concentration .

  8. 该技术可以模拟生物膜的输送功能,具有高渗透性、高浓缩系数、高选择性等特点。

    It can imitate the transport behavior of biologic membrane and distinguish itself by high concentration coefficient , permeation , and selectivity .

  9. 附加参数包括,农药挥发性,代谢增毒作用,生物浓缩系数和除草剂对后茬作物的毒性。

    The additional factors including : evaporation , toxicity of metabolite , coefficient of biological concentration and toxicity of herbicide to following crops .