浓度

• The reaction rate is limited by the concentration gradient of oxygen in the sample .
  反应速率受试样中氧浓度梯度的限制。
• If no particles adhered to the wall no reduction in concentration would be found .
  如果粒子不被壁所粘附，浓度就不会减少。
• The concentration of acid in vomitus or aspirate need not reach this limit .
  呕吐物或吸引液内酸的浓度不需要达到这一程度。
• This intermediate would not be expected to build up to any appreciable concentration .
  不应指望这个中间体会以可观的浓度存在。
• They predominate and are of greatest concentration in the central part of the retina .
  它们在网膜中部占优势，具有最大的浓度。
• the enzyme appears to be absolutely dependent on the concentration of .
  这种酶表现出完全依赖于的浓度。
• Salinity refers to the total concentration of salts present in the soil solution .
  含盐量是指土壤溶液中所存在的盐类的总浓度。
• The examination may reveal the amount or concentration of each of the various components .
  这种检验可以搞清各种成分的量或浓度。
• Barium is found in some oilfield brines in concentrations greater than 100mg/litre .
  在有些油田卤水中，钡的浓度大于100毫克升。
• The electrolyte within the glass electrode is an acid solution of definite strength .
  玻璃电极中的电解质是具有一定浓度的酸溶液。