volcanic ash的例句大全

Effects of volcanic ash on ocular symptoms: Results of a 10-year survey on schoolchildren

火山灰对眼部症状的影响：一项对学龄儿童10年的调查结果

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Volcanic ash showered down on the town after the eruption.

火山喷发后，小城落了一层火山灰。

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Study on volcanic ash reactivity of coal cinder at about 900 ℃

低温煤渣火山灰活性的机理研究

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Roman concrete was considerably weaker than its modern counterpart, but it has proved remarkably durable thanks to its unique recipe, which used slaked lime and a volcanic ash known as pozzolana to create a sticky paste.

罗马混凝土在强度上远不如现代混凝土，但罗马混凝土独特的成分使其更加持久耐用。罗马混凝土是罗马人利用熟石灰和一种在维苏威火山地区发现的粉尘物（Pozzolana）与水混合制成的具有高粘性的糊状物。

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There is not entirely consistent between the study and traditional understanding of the volcanic ash soils. ( 3) Can be seen from the correlation analysis, chemical properties of soil in CHANGBAI Mountain ash influence each other.

这与传统上对火山灰土的认识并不完全一致。（3）从相关分析中可以看出，长白山火山灰土的各种化学性质相互影响。

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CHANGBAI Mountain volcanic ash soils humus layer with higher levels of organic matter, all rich in nitrogen, total phosphorus is missing.

长白山火山灰土的表层有机质腐殖质含量较高、全氮量丰富、全磷量缺少。

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Reflect the chemical nature of the CHANGBAI Mountain volcanic ash soils is determined organic macromolecules, acidity, and elements of these three factors.

反映了长白山火山灰土的化学性质决定在于有机大分子，酸度和元素这三个因子。

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Weather balloon data show that the tiny particles within plumes of volcanic ash are constantly generating electrical charge, changing the behavior of the particles and posing a threat to aircraft.

从天气测量气球获得的数据显示，火山烟灰中的微粒一直不断地产生静电，这就改变了火山微粒的运动方式，从而对飞机的航行构成了威胁。

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Test flights show no damage by volcanic ash .

试航显示火山灰不会影响飞机发动机工作。

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Study on the Design and Construction Technology of Volcanic Ash Cement Concrete Pavement

火山灰水泥混凝土路面设计及施工技术研究

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Study on Different Coal Rejects Features and Volcanic Ash Activity from Different Areas

不同产地煤矸石特征及其火山灰活性研究

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Study on the Structure of Artificial Silica Fume and Activity of Volcanic Ash

人造硅灰结构及火山灰活性研究

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Lab. study of a new cement slurry with low density from natural volcanic ash

一种新型天然类火山灰低密度水泥浆的实验研究

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Test flights show no damage by volcanic ash.

试航显示火山灰不会影响飞机发动机工作。

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Experimental investigation on mechanical properties of a volcanic ash with different grain size gradations

不同颗粒级配的某火山灰的力学性质试验研究

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The age of volcanic ash here shows little has changed in millions of years.

这里的火山灰年龄表明在百万年里它几乎没有变化。

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An absorbent aluminum silicate clay formed from volcanic ash.

由火山灰形成的一种具有吸收能力的铝硅酸盐粘土。

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Physical and Inhibition Properties of Dicyclohexylamine Nitrite and Volcanic Ash Tablet

亚硝酸二环己胺与海泡石压片的力学及缓蚀性能

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On the Activity of Volcanic Ash and Microstructure of Calcined Aluminum Sulfate Tailing

煅烧硫酸铝渣的结构和火山灰活性研究

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The pH ( NaF) and the phosphate retention were high. VOLCANIC ASH SOILS IN CHINA

两地土壤的pH值及磷酸吸收系数均较高，具有国外火山灰土的特性。中国的火山灰土

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