英语词汇“sand-size”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

h. Soil Science. Applied spec. to particles whose sizes fall within a specified range, and to soils having a specified proportion of such particles (see quots.). Hence sand-size n.adj.

ΘΚΠ

the world > the earth > structure of the earth > constituent materials > earth or soil > [noun] > particle size > specific size

sand1873

silt1873

1873 E. W. Hilgard in Amer. Jrnl. Sci. 106 337 (table) Coarse Sand, 80–90 (1/180) mm... Finest Sand 20–22 (1/180) mm.

1900 R. Warington Lect. Physical Properties Soil i. 8 Coarse sand 0·5–1·00 mm... Fine sand 0·1–0·25 mm.

1925 P. Emerson Soil Characteristics i. 6 The different soil particles are designated according to size as follows... Very coarse sand 2·0 to 1·0 millimeters... Very fine sand 0·1 to 0·05 millimeter.

1925 P. Emerson Soil Characteristics i. 7 The United States Bureau of Soils recognizes the following classes [of soil]:..Sand: more than 25 per cent very coarse, coarse and medium sand, less than 50 per cent fine sand, more than 20 per cent silt and clay.

1952 L. M. Thompson Soils & Soil Fertility ii. 8 Based on size of soil particles there are three fractions, sand, silt and clay.

1957 Jrnl. Geol. (Chicago) 65 485/1 It might be possible to subdivide further the material in this core from a sedimentological point of view into two components: (1) material of sand size.., and (2) lutite.

1964 K. W. Butzer Environment & Archeol. x. 158 The modified Wentworth grade scale..is most widely used in North America. It has the following logarithmic subdivisions:..sand 0·064–2 mm., silt 0.004–0·064 mm... The non-logarithmic, modified Atterberg scale widely used in Europe has slightly different nomenclature... coarse sand 0·2–2·0 mm... fine sand 0·02–0·06 mm., silt 0·002–0·02 mm.

1971 Gloss. Soil Sci. Terms (Soil Sci. Soc. Amer.) 14/2 Sand, a soil particle between 0·05 and 2·0 mm in diameter.

1971 Gloss. Soil Sci. Terms (Soil Sci. Soc. Amer.) 18/1 Sand, soil material that contains 85% or more of sand; percentage of silt, plus 1·5 times the percentage of clay, shall not exceed 15.

1972 J. G. Cruickshank Soil Geogr. ii. 55 The products of physical weathering are usually large on the particle size scale; that is, they are stone, gravel, or sand size and less commonly as small as silt size.

单词	sand-size
释义	> as lemmas sand-size h. Soil Science. Applied spec. to particles whose sizes fall within a specified range, and to soils having a specified proportion of such particles (see quots.). Hence sand-size n.adj. ΘΚΠ the world > the earth > structure of the earth > constituent materials > earth or soil > [noun] > particle size > specific size sand1873 silt1873 1873 E. W. Hilgard in Amer. Jrnl. Sci. 106 337 (table) Coarse Sand, 80–90 (1/180) mm... Finest Sand 20–22 (1/180) mm. 1900 R. Warington Lect. Physical Properties Soil i. 8 Coarse sand 0·5–1·00 mm... Fine sand 0·1–0·25 mm. 1925 P. Emerson Soil Characteristics i. 6 The different soil particles are designated according to size as follows... Very coarse sand 2·0 to 1·0 millimeters... Very fine sand 0·1 to 0·05 millimeter. 1925 P. Emerson Soil Characteristics i. 7 The United States Bureau of Soils recognizes the following classes [of soil]:..Sand: more than 25 per cent very coarse, coarse and medium sand, less than 50 per cent fine sand, more than 20 per cent silt and clay. 1952 L. M. Thompson Soils & Soil Fertility ii. 8 Based on size of soil particles there are three fractions, sand, silt and clay. 1957 Jrnl. Geol. (Chicago) 65 485/1 It might be possible to subdivide further the material in this core from a sedimentological point of view into two components: (1) material of sand size.., and (2) lutite. 1964 K. W. Butzer Environment & Archeol. x. 158 The modified Wentworth grade scale..is most widely used in North America. It has the following logarithmic subdivisions:..sand 0·064–2 mm., silt 0.004–0·064 mm... The non-logarithmic, modified Atterberg scale widely used in Europe has slightly different nomenclature... coarse sand 0·2–2·0 mm... fine sand 0·02–0·06 mm., silt 0·002–0·02 mm. 1971 Gloss. Soil Sci. Terms (Soil Sci. Soc. Amer.) 14/2 Sand, a soil particle between 0·05 and 2·0 mm in diameter. 1971 Gloss. Soil Sci. Terms (Soil Sci. Soc. Amer.) 18/1 Sand, soil material that contains 85% or more of sand; percentage of silt, plus 1·5 times the percentage of clay, shall not exceed 15. 1972 J. G. Cruickshank Soil Geogr. ii. 55 The products of physical weathering are usually large on the particle size scale; that is, they are stone, gravel, or sand size and less commonly as small as silt size. extracted from sandn.² < as lemmas
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> as lemmas