1) porous tuff
多孔凝灰岩
1.
Some characteristics of porous tuff occurring in the Linli Basin of Hunan Province are studied systematically with respect to its mineralogy, petrology and porosity by means of XRD, IR, DTA\|TG, SEM and TEM.
本文采用XRD、IR、DTA TG、SEM和TEM等方法 ,较系统地研究了产于湖南临澧盆地第四纪多孔凝灰岩的矿物岩石学及其孔隙特征。
2.
Among them, micron sized porous non-metallic ores chiefly include dia tomaceouse earth, light-weighted opal, porous tuff and siliceous rock etc.
微米级多孔非金属矿主要有硅藻土、轻质蛋白石、多孔凝灰岩、多孔硅质岩等 ,大都分布于地台活化区内 ,为后地台稳定条件下形成。
2) calcarcous tuff
灰质凝灰岩
3) tuff
[英][tʌf] [美][tʌf]
凝灰岩
1.
Mineralization characteristics of uranium-bearing tuff, Zoujiashan ore district,Xiangshan uranium ore field;
相山铀矿田邹家山工区含铀凝灰岩的矿化特征
2.
Study of water-rock interaction for tuff sandwich decency in some dam-site of Jinsha river;
金沙江某坝址凝灰岩夹层风化的水—岩作用
3.
Characteristics and Forming Environments of Tuffs in Yanchang Formation in Ordos Basin;
鄂尔多斯盆地延长组凝灰岩夹层特征和形成环境
4) tuff-powder
凝灰岩粉
5) tufflava
凝灰熔岩
1.
In the Mesozoic volcanic belt of Cuntinent of Southeastern China and basin of the Middle-Lower Yangtze River exists tufflava t which was once named as rhyolite, dacite, ignimbrite and liquation ignimbrite.
本文通过对长江中下游地区的溧水、宁芜等火山岩盆地、浙闽粤中生代火山岩带、广西等地的凝灰熔岩地质体的宏观和微观特征研究,总结了凝灰熔岩的相特征,建立了二相成因模式。
2.
The biaxial shear rheological experiment on tufflava with grades II–V is carried out with tunnel surrounding rock of Shenzhen Lianyan Highway.
结合深圳莲盐高速公路隧道围岩中的II~V级凝灰熔岩进行了双轴剪切流变试验,通过试验结果分析和模型辨识,得到不同围岩级别凝灰熔岩的剪切流变规律和流变模型。
6) tuff
[英][tʌf] [美][tʌf]
凝灰岩(地)
补充资料:多苯基多亚甲基多异氰酸酯
多苯基多亚甲基多异氰酸酯,简称PAPI,或称粗MDI,浅黄色至褐色粘稠液体.有刺激性气味。相对密度(20℃/20 ℃)1.2,燃点218℃。PAPI实际上是由50%MDI与50%官能度大于2以上的多异氰酸酯组成的混合物。升温时能发生自聚作用。溶于氯苯、邻二氯苯、甲苯等。PAPI的活性低,蒸气压低,只是TDI的百分之一,故毒性很低。
用于制造聚氨脂胶粘剂。也可直接加入橡胶胶粘剂中,改善橡胶与尼龙或聚酯线的粘接性能。贮存于阴凉、通风、干燥的库房内,远离火种、热源。严格防水、防潮,避免光照。
用于制造聚氨脂胶粘剂。也可直接加入橡胶胶粘剂中,改善橡胶与尼龙或聚酯线的粘接性能。贮存于阴凉、通风、干燥的库房内,远离火种、热源。严格防水、防潮,避免光照。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条