Compared with an ash test, it is simpler and quicker, by which sample preparation can be greatly simplified, with an improved sensitivity and accuracy.

与原有灰分法相比，该方法简便快速，大大简化了样品的预处理过程，同时其灵过度和准确度也得到提高。

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And though several European airlines conducted successful test flights in the danger zone, the engines of a Finnish military jet suffered considerable damage as a result of breathing in the ash.

尽管几家欧洲航空公司成功进行了穿越火山灰区域的测试飞行，但是因发动机吸入火山灰，芬兰一架喷气式战机损失惨重。

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This paper introduces the mix proportion of high fly ash content concrete instead of 30% cement with fly ash and some experiment results of the test examples in laboratory.

介绍了在水泥混凝土中，采用粉煤灰替代30 %水泥的高掺量粉煤灰混凝土的配合比设计，以及试件力学性能的室内实验结果。

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Earlier on Sunday it was reported the Dutch airline KLM had flown through the ash cloud without the test plane being damaged.

BBC: Flight ban 'not over-reacting' say Wiltshire scientists

Despite later cancelling its flights, the Irish carrier Ryanair claimed it had made a test flight through ash over Scotland and challenged a ruling some flights should be grounded.

BBC: NI flights cancelled as ash cloud approaches