ResultsCompared with the separation gel tube, statistical differences were observed in 11 biochemical values obtained with coagulant tubes(P<0.01).

结果采用血凝管与分离胶试管相比11项生化指标存在统计学差异（P<0.01）。

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Because of large temperature differences in some local tubes and different expansion coefficients, large stresses of temperature difference are produced and brings about cracking in tubes.

热冲击是由于炉管在某些部位温度变化大，炉管和结焦物的热膨胀系数不同，而产生较大的温差应力，使炉管产生裂纹。

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Other forces can cause differences in care from place to place as well Feeding tubes provide as good an example as any.

FORBES: For Dying, Geography Can Be Destiny

By now, just about everyone has heard of these tubes, and we all know that there are differences of opinion.

CNN: Transcript of Powell's U.N. presentation