Presents the replacement of high temperature shift catalyst for its high resistance, analyses the abnormals in resistance rising and catalyst reduction.

介绍高变催化剂由于阻力升高而被迫更换的情况，分析催化剂阻力上升及还原过程中出现的异常情况。

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Several available determination methods of vapor concentration to synthetic catalyst during reduction in temperature rising are compared in the paper, and a new method is brought forward.

对化肥企业现有的几种合成触煤升温还原水气浓度测定方法进行了比较，提出一种新的测定方法。

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The significantly rising temperature in winter delay the beginning dates of growing season because of the reduction of chilling requirement.

冬季温度的显著上升，使植物低温需求量被满足的时间延长，从而使开始日期推迟。

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