xylem造句

1、Secondary xylem consists of pitted vessels, parenchyma fibers and rays.

2、A cell in the xylem of vascular plants.

3、Schima superba stem CO_2 efflux and its relations to xylem sap flux density a nd xylem CO_2 concentration.

4、Large proportion of xylem benefit to the water transfer.

5、One of the tubular conductive vessels in the xylem of vascular plants.

6、Multiple end wall and lateral-wall perforation plates were also observed in the secondary xylem.

7、The vascular bundle consists of vascular bundle sheath, xylem, phloem and big parenchymatous cells.

8、A system confined to the transport of mineral elements is known as the xylem.

9、Of or relating to a xylem whose early development is toward the center.

10、Where they occur interspersed with the xylem they may be distinguished from tracheids by their narrower lumen.

11、Variation potential (V. P.) transmission in the xylem of willow plantlet was recorded using outside cell electrode records.

12、Result: The phellem, phloem and xylem of wild bupleurum scorzonerifolium are different from those in the pharmacopoeia .

13、The part of the primary xylem that differentiates after the protoxylem and is characterized by broader vessels and tracheids.

14、The secondary xylem of the original plants in local acidic environment was replaced by silica and turned into fossil woods.

15、It is a key feature in the movement of water through the xylem and through the finer pores of the soil.

16、The inhibition of spraying PP333 on the new shoots of greenhouse grape to the development of secondary xylem cell correlated positively with the concentration of PP333.

17、shows that of all types casparian strip exits in endodermis and evident pith does in young root; primary xylem is exarch and tetrarch;

18、The vessel elements of secondary xylem in Litchi chinensis are observed and studied by bio-microscope image analysis system and micrography.

19、The results showed that the root transactions had significant differences in periderm, phloem, and xylem between cultivated and wild Salvia miltiorrhiza.

20、Centrifugal xylem differentiates from the center outwards, and a centrifugal inflorescence (e.g. the dichasial cyme ) is one in which the progression of flower opening is from the center to the periphery.

21、Results showed when the roots soaked in the iron fertilizer liquid, the Fe2+ translocated along the xylem near cambium in roots, branches and main vein of leaves, but the distribution of iron in roots was few.

22、POD was mainly distributed in the radial walls of the cambial cells and expanding xylem cell, especially at the corner of cell wall and cell wall close to the primary pit field.