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- Characteristics or zero point of charge of volcanic ash soils in Changbaishan and Wudalianchi. 长白山和五大连池火山灰土壤电荷零点特性
- volcanic ash soil 火山灰土壤,火山灰土
- There they cool and harden into volcanic ash. 然后在空中它们又冷却变成火山灰。
- Volcanic ash, lapilli, block and bombs. 火山灰、火山砾、火山块和火山弹。
- Selective sorption of potassium in a weathering sequence of volcanic ash soils from Guadeloupe, French West Indies 法属西印度群岛瓜德罗普岛火山灰土壤风化序列中钾的选择性吸收作用
- Volcanic ash showered down on the town after the eruption. 火山喷发后，小城落了一层火山灰。
- A siliceous volcanic ash used to produce hydraulic cement. 火山灰水泥，火山石用来生产水硬水泥的含硅火山灰
- Mounds of pumice and volcanic ash mark its center, where the volcano remains. 浮石和火山灰的土墩标志着它的中心，是火山的遗迹。
- Volcanic ash;the source material for Ordovician chamosite ooids in Sweden[J]. 1地址错了，不好意思，改成Sturesson U.
- Most were carved from compressed volcanic ash between 1400 and 1600 AD. 其中多数是在公元前1400-1600年由压缩的火山灰切刻而成。
- A rock composed of compacted volcanic ash varying in size from fine sand to coarse gravel. 凝灰岩致密火山灰构成的岩石，大小以细粒至粗砾石不等
- Volcanic ash filled the sky, blotted out the sun, and triggered hail and lightning. 天空充满了火山灰，遮盖了太阳，触发了冰雹和闪电。
- 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。
- The year after its eruption in 1980, spruce seedlings were coming up in the volcanic ash on Mt. St. Helens. 1980年圣海伦火山爆发之后，仅过一年，云杉幼苗就在火山灰上生长起来了。
- An absorbent aluminum silicate clay formed from volcanic ash and used in various adhesives,cements,and ceramic fillers. 膨润土，斑脱土由火山灰形成的一种具有吸附能力的铝硅酸盐粘土，用于各种粘合剂、水泥和陶瓷填料
- An absorbent aluminum silicate clay formed from volcanic ash and used in various adhesives, cements, and ceramic fillers. 膨润土，斑脱土由火山灰形成的一种具有吸附能力的铝硅酸盐粘土，用于各种粘合剂、水泥和陶瓷填料
- The earthquake brought an ancient city to light that had been buried under volcanic ash for thousands of years. 这场地震让一座古城重见光明，这座城池已经深埋在火山灰下数千年了。
- In terms of industrial type,burnt stone is a burnt clay mixed material of artificial volcanic ash. 工业类型为人工火山灰质烧粘土混合材。
- According to the radiation-optical quality of volcanic ash we calculated the parameter of radiation-optic. 本文根据火山灰粒子的辐射光学特性,计算了火山灰粒子和平流层本底的辐射光学参数。
- They were in Beacon valley, a boulder filled area between glaciers, collecting volcanic ash from a seven-foot deep, V-shaped fissure in rock. 在布满巨石的灯塔峡，他们从一个7深英尺的V型岩石裂缝中采集了火山灰。
