growth ring造句
1, Growth ring, let me touch the youth.
2, With the growth ring of time.
3, Fossil woods with distinct growth ring show that the climate has seasonal change obviously during that time.
4, As planting density increased, the growth ring width and tracheid row decreased but proportion of late wood increased.
5, The measurement of power spectra of growth ring demonstrates the variations of period every 2.5, 3.2, 6.3 year under the influence of climatic factor.
6, However, in the third quarter than the growth ring , some banks have registered negative growth showed faint signs of slowdown.
7, In pipe networks "growth ring" is an important factor to cause secondary pollution, so clearing the "growth rings" will help improve water quality and the capacity of pipes carrying water.
8, "Growth ring" is a mixture which consists of variety of inorganic matter, organic matter, and microbe.
9, A long-term forecast method of timber growth ring density based on process neural network was proposed in this paper.
10, Northeastbirch is tawny, growth ring slightly obvious. Shiny wood, straighttexture, fine structure and uniformity, poor hardness.
11, To judge by the growth ring of the tree, it must have lived many years.
12, Here, a sharp cold spell in spring may produce a narrow growth ring.
13, It may be difficult to age wild animals, but not so temperate trees, because annually they produce growth rings.
14, Another piece called Trace, some abstract, is the image like old tree's growth ring, water's wave or wind's mark.
15, Thedistribution relation of the width of early wood, transition wood and late wood versus thenumbers of growth ring was achieved by observing the microstructure.
16, The life is just as a tree. the time cover you one day by day as well as cycle by cycle of the growth ring.
17, The results of the energy spectrum analysis showed that, iron element was the main material of the growth ring, which account for more than 30%.
18, Onthe basis of data obtained, we analyzed the variation of wood growth ring .
19, In this paper, the moisture content and its distribution of each growth ring in air dried wood specimens have been tested by using X-ray scanning densitometer.
20, This theoretical method may provide theoretical fundament for wood growth ring analysis and forecast and special feature extract.
21, But if there is more than quarter of negative growth ring , you need to bank the future development of a very cautious approach.
22, But it is all of them that record the growth ring of the development of China contemporary art.