To evaluate a material, the difference between ambient temperature and that in the chimney is recorded continuously using thermocouples and compared with a calibration curve derived in a similar manner using asbestos cement board of a specific density. The two curves are evaluated by establishing the temperatures from the calibration curve and test curve at 30 s intervals from the start of the test to 3 min, at 1 min intervals from 4 to 10 min and at 2 min intervals from 12 to 20 min.
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Objective to evaluate the toxicity of chicken calamus keratin (CCK) conduit as a tissue-engineered scaffold material.
目的观察鸡羽根角蛋白管作为组织工程材料的毒性作用。
Also in the study process of the cement stabilized crushed stone material, we use the different testing methods with a single design index to evaluate which certain are the problems.
另外在对水泥稳定碎石材料研究的过程中也存在着试验方法不统一，评价设计指标单一等问题。
Objective To explore the material and evaluate the effect of a kind of antiprolapsed orbital implant.
目的：探讨一种新型简易防脱出的义眼台的制作方法与效果。
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