测定

• In some instances mass or volume may be determined .
  在某些场合中，质量或体积可以被测定出来。
• The material in this beach has been dated by radiocarbon .
  这个海滩上的物质经过放射性碳测定。
• A direct means is required to calibrate the indirect method .
  要求用直接测定法校正间接测定法。
• The pathogenicity of the other organisms has not been assessed .
  其他细菌的致病力则还没有测定。
• Sulfur or sulfuric deliveries can be similarly measured .
  硫黄和硫酸的交货量也可用类似方法测定。
• For defect-free filaments the scatter of results is small .
  对于无缺陷单丝，测定结果的分散性小。
• Exposure to the air will lead to erroneous results .
  若把样品暴露在空气中，测定结果会有很大误差。
• Ebullioscopy is obtained by classical chemical methods .
  沸点外高测定法是由经典的化学方法获得的。
• Surface conditions will always be a hazard in quantitative work .
  地表条件在定量测定中也是个困难。
• Indentation methods of hardness testing comprise two principal groups .
  压痕法测定硬度包括两大类。