The ledge was covered with heavy ash, called tephra, and speckled with droplets of volcanic glass and delicate lava threads known as Pele's hair.
岩架上覆盖了厚厚的火山灰烬，其间点缀着火山玻璃珠和被称之为火山毛(Pele ' s hair)的熔岩细线。
It just happens to be that the ash from this volcano is going over a very populated area with a lot of heavy air travel.
但是碰巧这个火山喷发的灰尘正在经过一片空运繁忙的区域。
Coal ash contains toxic heavy metals, including arsenic, cadmium, mercury and lead, which leach into water systems and get blown into the air during windy days.
煤灰含有有毒的重金属，包括砷、镉、水银和铅，这些会从供水系统中过滤处理，在有风的时候吹到空中。
Such ash is less likely to poison water if the body of water is large, as then it can dilute any heavy metals in the ash.
如果水体广阔的话，这样的火山灰是不大可能污染水流的，因为它可以稀释火山灰里的重金属。
A heavy layer of volcanic ash rained down over the Aegean, covering islands and crops.
浓厚的火山灰层大量降下到爱琴海，遮盖了岛屿和农作物。
Cities near volcanoes, Mexico City, Japanese cities, Rome, will have heavy die-off from ash.
墨西哥城，日本城市，罗马等靠近火山的城市将会因为火山灰人口死亡惨重。
We have stressed that heavy metals will be found in groundwater due to cracks in the ground where magma has forced up, and due to volcanic ash that has washed down with the rain.
我们强调过由于地面的破裂岩浆被迫上升，和随雨降下的火山灰，地下水中会存在重金属。
Designed for relatively volatile 'Heavy Fuel Oil' applications or 'sooted or fly-ash' covered Fuel Ignitors.
专为相对不稳定的重燃料油应用或煤灰或烟灰覆盖的燃料点火器而设计。
A greenhouse experiment was performed to understand the effects of application of sewage sludge stabilized by coal fly ash on soil physicochemical properties and heavy metal accumulation in corn.
通过温室盆栽试验研究施用不同量及不同比例粉煤灰钝化污泥对土壤理化性质、玉米生长和重金属累积的影响。
The human health risk of heavy metal in fly ash and dregs by drinking water was studied through solid waste leaching experiments.
通过浸出实验与模式预测相结合，研究飞灰与灰渣中重金属通过饮水途径对人体产生的健康风险值。
Pharmacopeia method was used in water soluble extractives and limit test for heavy metals and total ash and acid-insoluble ash to test the quality in Lumbricus from different origin.
采用药典方法分别测定浸出物、总灰分和酸不溶性灰分和进行重金属检查，综合考察不同产地地龙的内在质量。
The collection capacity of heavy metal ions by porous powder made from fly—ash is studied.
用实验的方法研究了用粉煤灰制取多孔粉末材料对重金属离子的富集能力。
During the treatment process of flue gas, heavy metal was concentrated in fly ash by the way of homogeneous nucleation and heterogeneous deposition.
在尾气处理过程中，重金属以均匀核化、异相沉积等方式从烟气浓缩到飞灰中。
The influence of fly ash on partition characteristics of heavy metals before and after melting treatment was studied, including the melting temperature, melting time and the basicity.
研究探讨了熔融温度、熔融时间、碱基度对飞灰熔融处理前后重金属分布特性的影响。
High performance, low ash, High-powered, heavy duty, high speed diesel engine oil, high quality stable antioxidant, anti-wear, anti-septic and corrosion inhibitors.
高强性，灰份低、大马力、重负荷高速柴油发动机油，卓越的氧化安定性，优异的防腐性和抗磨性。
Finally, we measure how much the clinker solidify heavy metal ions and leaching toxicity of heavy metal ions when it hydrates, and evaluate the environmental impact of fly ash product.
最后通过熟料对重金属离子的固化率和熟料水化后重金属离子的浸出毒性评价飞灰制品对环境的影响。
Methods: Flos Lonicerae from various areas of Henan province in its content of chlorogenic acid, ash, acid-insoluble ash, arsenate and heavy metals was determined with HPLC.
方法：用HPLC色谱法对河南不同产地金银花进行绿原酸的含量测定，并对其灰分、酸不溶灰分、砷盐及重金属进行检测。
In this paper, the progress of research on treatment of heavy metal waste water by adsorption of fly ash was summarized and the development of this method was prospected.
综述了粉煤灰吸附法在重金属废水处理中的国内外研究现状，展望了该方法的应用前景。
Also heavy metals in ash and its cement products are not at high risk of exposure and effects on aquatic ecosystems.
灰渣及其水泥制品中的重金属不会对水体造成污染。
By analyzing on composition and formation mechanism of ash deposit, the measures of decreasing salt and heavy metal contained in fuel oil and waste liquid and appropriately decreasing excess air co...
分析了积灰的组成和形成机理，提出了减少燃料油和废液中的盐分和重金属、适当降低燃烧的过剩空气系数等措施。
It is efficient to use cement for immobilization MSWI fly ash. The heavy metals can be immobilized in the structure of the hydration phases by holding, substitution or sorption.
采用水泥稳定及固化垃圾焚烧飞灰的效果良好，垃圾焚烧飞灰中重金属可以通过包容、替代或吸收等形式固化进水化产物结构中。
The extraction toxicity of the heavy metals in ash is less than the regulation values of the identification standard for hazardous wastes.
灰渣中重金属的浸出毒性低于危险废物浸出毒性鉴别标准中的限定值。
The extraction toxicity of the heavy metals in ash is less than the regulation values of the identification standard for hazardous wastes.
灰渣中重金属的浸出毒性低于危险废物浸出毒性鉴别标准中的限定值。
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