查询词典 drought

The results showed the relative water content, chlorophyll and carotonoid contents and net photosynthetic rate in leaves of Photinia frasery decreased with aggravation of drought stress, while the content of anthocyanin, Malondialdehyde and the membrane permeability inhanced significantly.

结果表明，随着干旱程度的增加，叶片含水量、光合色素含量以及净光合速率等生理指标都有不同程度的下降，而花青素含量、丙二醛含量和细胞膜透性大幅增加。

This paper used Photinia frasery Dress as experiment material, changes of photosynthetic charactreristic, pigment content, protective enzyme system and chlorophyll fluorescence characteristic of Photinia frasery Dress under drought were studied.

本研究以红叶石楠为试材，研究其在水分胁迫下的光合特性、叶片色素含量、抗氧化酶系统以及荧光参数等的变化。

The results showed that:1. Changes of Photosynthesis and Relative Physiological Characteristics of Photinia frasery Dress Seedlings under Different Drought in SpringAlong with the stress time extended and stress extent increased, leaf water content, photosynthetic pigment content and photosynthetic indexes of Photinia frasery Dress were inhibited in different levels, but the anthocyanin content, MDA content and membrane permeability increased distinctly.

结果表明： 1。不同程度干旱胁迫下红叶石楠叶片光合作用及相关生理特性的变化随着胁迫时间的延长和胁迫程度的加剧，红叶石楠的叶片含水量、光合色素含量以及Pn等光合基本指标都受到了更深程度的抑制，且可利用的光强范围越来越小，而花色素苷含量、MDA含量和细胞膜透性大幅增加，保护酶系统(SOD、POD、CAT)活性随着胁迫时间的延长，总体表现为先升高后降低，但在同一时期，随着胁迫程度的加剧，酶活的变化趋势有异。

Soil drought results in the decrease of superoxide dismutase activities and increase of malonaldehyde contents in pistacia vear leaf cells, acid phosphatase activities and soluble phosphotus contents elevated.

干旱胁迫下，阿月浑子细胞SOD活性降低，MDA含量增加，酸性磷酸酯酶活性增强，可溶性磷含量增加。

A pot experiment was conducted to investigate the effect of soil water on protective enzymes of superoxide dismutase, catalase and peroxidase, and also on membrane lipid peroxidation including malonaldehyde and plasma membrane permeability in pea (Pisum sativum Linn.) leaf during flowering and pod-bearing stages under drought stress and water recovery conditions. Antioxidant ability of pea during flowering and pod-bearing stages was also analyzed.

为探讨不同水分条件对豌豆保护酶系统和膜脂过氧化的影响，采用盆栽人工控水试验方法，模拟干旱胁迫及复水条件，研究了不同水分处理对花荚期豌豆叶片超氧化物歧化酶、过氧化氢酶、过氧化物酶活性以及过氧化产物丙二醛含量和脂膜相对透性的影响，并对花荚期豌豆抗氧化能力进行了综合评价。

Pot experiment was conducted to determine the content of endogenous hormone, including Abscisic acid, In-dole-3-acetic acid, Gibberellins and Zeatin, in the roots of pea (Pisum Sativum Linn.) under drought stress and water recovery.

采用盆栽试验方法，研究了干旱胁迫及复水对豌豆根系脱落酸、吲哚乙酸、赤霉素和玉米素等4种内源激素含量的影响。

The main results are as following:(1) Arabidopsis in planta transformation were made by Agrobacterium tumefaciens carrying the activation tagging vector pSKI015 with herbicide-resistant Bar gene as a selective marker. About 12 000 independent transformant lines were acquired by the above method, from which two mutants related to plant defense response and development, asr1 (auxin and .salicylic acid responsive 1.) and dai1 (brought tolerant and obscisic acid insensitive 1) were isolated.

本文以拟南芥为实验材料，以激发标签为技术平台，构建了拟南芥的功能获得突变体库，从中筛选具有抗病、抗逆表型的突变体，克隆基因并进行基因的功能研究，取得的主要结果如下：(1)利用含激发标签质粒pSK1015的农杆菌直接转化拟南芥植株，以抗除草剂的Bar基因为筛选标记，获得了约有12000个独立转化株系的突变体库，并从中筛选到2个与抗病、抗逆和发育相关的突变体asr1(auxin and salicylic acid responsive 1)和dai1(drought tolerant and abscisic acid insensitive 1)。

The main work of this dissertation is constructing Arabidopsis gain of function mutants pool, screening mutants related to plant defense response, cloning the genes and studying their functions. The main results are as following:(1) Arabidopsis in planta transformation were made by Agrobacterium tumefaciens carrying the activation tagging vector pSKI015 with herbicide-resistant Bar gene as a selective marker. About 12000 independent transformant lines were acquired by the above method from which two mutants related to plant defense response and development, asr1 (auxin and salicylic acid responsive 1) and dai1 (drought tolerant and abscisic acid insensitive 1) were isolated.

本文以拟南芥为实验材料，以激发标签为技术平台，构建了拟南芥的功能获得突变体库，从中筛选具有抗病、抗逆表型的突变体，克隆基因并进行基因的功能研究，取得的主要结果如下：(1)利用含激发标签质粒pSKI015的农杆菌直接转化拟南芥植株，以抗除草剂的Bar基因为筛选标记，获得了约有12000个独立转化株系的突变体库，并从中筛选到2个与抗病、抗逆和发育相关的突变体asrl(auxin and salicylic acid responsive l)和dail(dought tolerant and abscisic acidinsensitive l)。

Heat and drought are threatening some of the America's most producted productive farmland.

高温与干旱正威胁着美国最丰产的一些农场。

As a result,this experiment with wild Prunus mongolia Maxim used to study drought stress in different ecological conditions,the impact of the body of its PAL and C4H activity.

因此，本试验以野生蒙古扁桃为试验材料，研究干旱胁迫对其在不同生态环境条件下体内PAL和C4H酶活性影响的变化。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。