極細粉砂 的英文怎麼說
中文拼音 [jíxìfěnshā]
極細粉砂
英文
very fine silt-
Grain - size accumulation percentage of the aeolian sands in the past 150 ka in milanggouwan section is mainly characterized by the aeolian palaeo - mobile dune sands, which are composed of majority fine sands and minority very fine sands. there is n ' t almost any silt and clay. those of the fluvial facies, especially the lacustrine facies and palaeosols, are mainly composed of very fine sands and also contain some quantities of silt and clay
米浪溝灣剖面150kabp以來風成砂的粒度累積百分含量以古流動砂丘砂物質為主,其中以細砂含量最高,極細砂為次,幾乎不含粉砂與粘土;河流相、特別是湖沼相與古土壤以極細砂含量占優勢,且具一定含量的粉砂和粘土。Thus it became well - known for frequent geologic - disaster and landslide in the stratum area. xigeda soft rock is made up from minute sandstone, mud siltstone, siltstone mud and mudstone. it is inland fluviolacustrine phase deposit rock with rhythm - cyclic character of depositional geology
昔格達組極軟巖屬內陸靜水河湖相沉積,主要由粉細砂巖、泥質粉砂巖、粉砂質泥巖和泥巖組成,具有明顯的沉積韻律特徵。Vegetation restoration also resulted in the changes of soil physical and chemical properties, i. e., the contents of organic matter, alkali - hydro nitrogen, rapidly - available potassium and the contents of fine sand, very fine sand and clay were increased significantly, while ph and the content of rapidly - available phosphorus were decreased
植被的恢復使土壤理化性質發生了變化,與恢復前相比土壤中有機質、堿解氮、速效鉀以及細砂、極細砂、粉砂、粘粒含量顯著增加, ph值和速效磷含量降低。The sand in taklamakan bo has fine grains with similar diameters, and its strength characteristics are not fully are to ordinary sand as well as silty. but its strength shows some features similar to clay when with some water content
塔克拉瑪干沙漠砂顆粒極細,粒徑均勻,其強度特徵既不完全等同於普通砂,又不同於粉土,在含水狀態下則又表現出與粘性土相類似的特點。分享友人