English translation for "primary root"

初生根
原根

Related Translations:

primaries:  比较原色初级飞羽前翅主翼羽

primary:  adj.1.第一的，最初的，初级的；初等的；基本的；基层的。2.主要的，为首的，第一位的。3.原始的，根本的；原著的，第一手的；(颜色)原色的。4.初步的 (opp. secondary); 预备的。5.【医学】初期的，第一期的。6.【电学】一次的；原的；第一级的。7.【生物学】初生的；【地质学；地理学】原生的，原成的，结晶岩的，最下层的。8.【化学】伯的；连上一个碳原子的

Example Sentences:

	1.	Acropetal differentiation of the cambium layer continues as the primary root elongates . 形成层的向顶分化像初生根伸长一样在继续进行。
	2.	In our transfer system , quercetin inhibits both primary root and lateral root growth 在我们的体系中， quercetin ( q )对主根和侧根的延伸都有一定的抑制作用。
	3.	When the concentration is low ( < 50 mm ) , nitrate only influences lr development , and has no effect on primary root . but at higher concentration , nitrate obviously inhibits primary root elongation 在浓度相对较低的条件下( 50mm )硝酸根只影响侧根生长，而对主根没有明显影响；随着浓度的提高，硝酸根对主根的延伸也起到了明显的抑制作用。
	4.	We have observed the following characteristics of anatomical structure and development : ( 1 ) the primary roots belong to archetype and the lateral roots occur in the position toward the xylem of the vascular cylinder ; ( 2 ) the root endodermis consists of thicken casparian strips , and there are from two lo four layers parenchyma cells near the pericycle ; ( 3 ) the pith and resins canals are absent in the toots ; ( 4 ) secondary structure occurs in the root hair zone , and vascular cambium is formed from the parenchyma cells between the primary xylem and primary phloem ; ( 5 ) tanning materials are abundant in pericycle cells and phelloderm cells ; ( 6 ) sclereids are found in secondary phloem , and rays are rather rich in secondary xylem 结果表明：气生不定根具有以下结构特征和发育特点： ( 1 )根为二原型，侧根正对着木质部发生； ( 2 )幼根内皮层细胞具凯氏带加厚，维管柱内紧挨中柱鞘内侧具有2 ~ 4层大型薄壁细胞； ( 2 )根中无髓和树脂道； ( 4 )次生结构发生于根毛区，维管形成层由初生木质部和初生韧皮部之间的薄壁细胞转化形成； ( 5 )中柱鞘和栓内层细胞富含单宁类物质； ( 6 )次生韧皮部有石细胞，次生木质部射线发达。

Similar Words：

"primary rock" English translation, "primary rocket engine" English translation, "primary rocket motor" English translation, "primary rocks" English translation, "primary role" English translation, "primary route" English translation, "primary routing" English translation, "primary royal pair" English translation, "primary runway" English translation, "primary safety mechanism" English translation