lead methodの例文

• In White s day, the newspaper was printed by the hot lead method.
• Rubidium-strontium dating is not as precise as the uranium-lead method, with errors of 30 to 50 million years for a 3-billion-year-old sample.
• The difference between resistance derived from two-lead and four-lead methods is a reasonably accurate measurement of contact resistance assuming that the leads resistance is much smaller.
• Rasmussen is a specialist in age-dating techniques, and although the uranium-to-lead method cannot pin down dates precisely, it does indicate that the trace-like fossils are at least 1.2 billion years old, and no older than 2 billion years, he and Bengtson agree.
• Rasmussen is a specialist in age-dating techniques, and although the uranium-to-lead method cannot pin down dates precisely, it does indicate that the trace-like fossils are at least 1 . 2 billion years old, and no older than 2 billion years, he and Bengtson agree.