测定

• The internuclear distances in molecules can be measured in many ways .
  分子中的核间距，可以用很多方法测定它。
• It is less reliable than serologic tests in determining immune status .
  其可靠性较测定免疫状态的血清试验为差。
• What is measured, then, is the size of the electric charge distribution .
  所以我们所测定的是电荷分布区的大小。
• The measured values of k1s partly reflect the relative donor power .
  测定K1S值就可以部分地反映其相对给电子能力。
• The role of microbial enzymes in these processes has been examined .
  在这些过程中，也对微生物酶的作用进行了测定。
• Gooch crucibles or similar filters are used for such measurements .
  在这样的测定中，采用Gooch坩埚或类似的过滤器。
• Viability of the virus appears very difficult to assess at the time of production .
  在生产时，病毒的活力很难测定。
• The second method is concerned with a more coarse measure of distortion .
  第二种方法与较为粗略的对畸变的测定有关。
• We use gas chromatography for moisture determination in a number of grains .
  我们用气相层析法来测定各种谷物的水分。