The test shows that size distribution of feeding coal, volatile content and its release as well as the total air rate and primary air ratio will influence the post combustion in CFB boiler.
测试结果表明，影响后燃现象的主要因素是给煤的粒度分布、煤挥发分含量及挥发分析出规律，同时与炉膛内总风量、一二次风量的配比有关。
Through collecting, dehydration, conditioned test and anti-jamming test of the sample, the content of trace urea dust in the air can be exactly determined by way of such technique.
通过对样品的采集、洗脱、消化水解、条件试验及抗干扰试验，证实本法能准确测定空气中微量尿素尘的含量。
The way to test oxygen content in the air, which is introduced in Junior Textbooks, doesn't work well.
初中化学教材中“空气中氧气含量测定”实验，按教材方法操作、效果甚差。
In large warehouse, a control test of lowering temperature with exhaust fan and other equipment in lowering temperature, ventilating efficiency, air flow rate and moisture content was carried out.
用排气扇与各种通风方式对高大平房仓进行降温对比试验，将试验仓与对比仓的降温情况、通风效率、表观风速和水分变化进行比较。
The test results are shown: The optimum air content value for RCC resistance to frost-thaw durability is about 5%.
研究结果表明：碾压混凝土抗冻耐久性的最佳含气量为5%。
The test results are shown: The optimum air content value for RCC resistance to frost-thaw durability is about 5%.
研究结果表明：碾压混凝土抗冻耐久性的最佳含气量为5%。
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