slow-neutron cross-section

However, it is vulnerable to be influenced by other gas components via cross-sensitivity. Besides, it has other disadvantages including relatively slow response, low reusable rate, short life span and difficulty to achieve simultaneously monitoring.

传统的非光学式气体检测仪虽然可以达到较低的检测限，但是很容易受其它气体成分的交叉灵敏，而且其响应速度较慢，可重复利用率低，使用寿命较短，难以实时连续监测。

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The Study on the Cross-linking& Curing of Functionalized Vegetable Oils and the Slow/ Controlled Release Coating Material

官能化植物油的交联固化及其缓/控释材料的研究

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Today we cross the continent in fast airplanes in contradistinction to the slow covered wagons of our ancestors.

今天我们乘高速飞机横越北美大陆，与我们祖先驾低速四轮马车不可同日而语。

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Then, nearly unconscious fromblood loss, he was forced to drag a cumbersome cross up a hill, was nailed to it, and was left to die the slow, excruciating torture of death by crucifixion.

当他濒临失血过多，几乎失去知觉时，还被迫拖著那笨重的十架上山，被钉，忍受死亡的煎熬，然后慢慢被凌虐而死。

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