involucral bract是什么意思

网络释义

用法例句

Longitudinal and transverse sections of different parts of involucral bract Helichrysum bracteatum(Vent.

运用形态解剖学的方法对蜡菊总苞苞片的不同部位做横、纵切片,用HCl-间苯三酚染色进行细胞壁成分定性研究。

Progress in Research of the ear and the Husk Development in Maize;

玉米雌穗与苞叶发育研究进展

Senescence physiological characteristics of husk of two maize genotypes;

两种基因型玉米苞叶的衰老生理特性

),Zhengdan 958 and Nongda 364,were used to analyze the differences of chlorophyll fluorescence of husk leaves,and the contents of chlorophyll as well as chlorophyll fluorescence parameters and photosynthetic parameters were also tested.

在大田条件下,以郑单958和农大364玉米为研究材料,测定了苞叶的叶绿素含量,并对叶绿素荧光动力学及光合参数进行了比较分析。

Research Progress in Photosynthetic Physiological Characteristics of Maize Bract;

玉米苞叶光合生理特性研究进展

(botany) having an involucre.

（植物学）有花被的，有蒴包的，有总苞的。

In the daisy family the numerous bracts which subtend the inflorescence are known as an involucre.

在菊科植物中，苞片数目多而聚生在花序外围，称为总苞。

A secondary involucre, as at the base of an umbel within a compound umbel.

次总苞，小总苞次级花被，如处于复合伞形花序中一个伞形花序基部之花被

the amounts of 18 kinds of amino acids in ovary and cotyledon were higher than that in involucre;

子房、子叶中的18种氨基酸含量均高于总苞。

The extrafloral nectaries derived from the 4~5 layers initial cells of involucre lobes.

虎刺花外蜜腺起源于总苞裂片顶端表面的 4～ 5层原始细胞。

annual of southwestern United States cultivated for its purple-rayed flower heads and its basket-like bracts.

美国西南部的一年生植物，因为它的头状花序具紫色边花和篮状总苞而常栽培之。

The fluctuations of protein and amino acide contents in the development process of involucre, ovary and cotyledon were studied between empty shell's chestnut and normal chestnut.

本文研究了空篷栗、正常栗的总苞和子房、子叶发育过程中蛋白质和氨基酸含量的变化。

Polyphenols Content in Fargesia Denudate and Its Effects on Food Selection of Giant Panda

缺苞箭竹总酚含量及其对大熊猫采食的影响

Analysis and Study of Total Flavone and Trace Element in Aralia echinocauIis Hand.Mazz

刺老苞根皮总黄酮及微量元素含量的分析研究

genus of hardy orchids with leafy-bracted racemes of greenish or purplish irregular flowers.

兰科的一个属，花不规则，绿色或紫色，排成总状花序，生于叶状苞片内。

colicroot with yellow-bracted racemose flowers; smaller than Aletris farinosa; southeastrn United States.

腹痛根的一种，具有黄色苞片的总状花序的花；与法氏粉条儿菜相似；生长于美国的东南部。

My heart is full of surprise when I see the sprouts come out in early spring. There is vitality everywhere and I always feel heart-warming at this time of year.

当春天的枝头萌出叶芽和花苞的时候，心里就充满了惊喜。春天总是带给人温情和生机。

pertaining to or resembling or functioning as a bract.

关于、类似于苞叶，或具有苞叶的功能。

The roses are in bud early this year.

今年玫瑰花含苞早。

the blooming of spring flowers,

春天的鲜花含苞待放；

calla having a rose-colored spathe.

拥有粉红色苞的水芋。

In this country the men plant the corn and the women later weed it.

在这个国家,男人种植苞米,然后由妇女为苞米除杂草。

Shoots grow in flushes, showing rapid growth, then stopping as the apical bud aborts.

花苞最先开始快速的涨大，花苞的尖牙会自然的掉落。