tufa

形容词：

形容词: tufaceous

更多词形：

形容词: tufaceous |

单词例句：

And 14 species associated with tufa deposition at cave entrance, 4 travertine types of bryophytes can be distinguished: stalacitite, travertine on cave wall, floor seepage, droping-water travertine.

14种洞穴苔藓植物参与了洞穴洞口钙华沉积，沉积形态包括钟乳石、洞壁钙华、洞底泉华和洞底滴水钙华4种类型。

Before this alkaline lake went dry, tufa formed when a freshwater spring percolated from below and formed calcium carbonate deposits.

在此之前，碱性湖泊变干燥，钙华形成时，当淡水泉过滤来自下面，并形成碳酸钙的沉淀物。

A closer view of a tufa that has not been touched by visitors, i.e., it is staying at its best and original condition.

未被游客碰触过的石灰华岩近照,也就是它是处于最佳和原始的情况.

With the snow-draped Sierra Nevada as a backdrop, unique erosion formations called sand tufa stand like giant cauliflower stalks in a dry Arizona lake bed.

意译：侵蚀和风化图片画廊。与白雪披上内华达山脉作为一个背景下，独特的侵蚀形成所谓的砂钙华的台，像巨人花椰菜秸秆在干燥的亚利桑那州的湖床。

Not sure exactly what you meant.If you want to collect tufa, here is one LONG trail you have to walk through and hoping passerbys will not report your behavior to the authority.Well!

不确定你所指的意思,如果你想要搜集石灰华岩,这是条你必需走的长路,而且希望路过的人不会向当局检举你的行为.好了!

Photo Gallery: Erosion and Weathering With the snow-draped Sierra Nevada as a backdrop, unique erosion formations called sand tufa stand like giant cauliflower stalks in a dry Arizona lake bed.

意译：侵蚀和风化图片画廊。与白雪披上内华达山脉作为一个背景下，独特的侵蚀形成所谓的砂钙华的台，像巨人花椰菜秸秆在干燥的亚利桑那州的湖床。

tufa cement

凝灰岩水泥

When aeration rate is 3 vvm, the content of TUFA and DHA reach to peak. Generally, the content of DHA arrives at its peak in primary logarithmic-growth period, but TUFA does at steady growth period.

高的通气速率有利于TUFA及DHA含量的增加,当通气量为3vvm时TUFA和DHA的含量均达到最大,并且DHA的含量一般在对数生长初期即达到最大,而TUFA含量则在稳定期后才达到最大。

A Discussion on Formation Process of Tufa Landscape as Tour Resources-- A Case study of the tufa in Jiuzhaigou, Sichuan and Huangguoshu, Guizhou etc.

论旅游资源中石灰华景观的形态建成过程--以四川九寨沟和贵州黄果树等地石灰华群为例。