胁迫的

The results showed that: Under salt stress, it was found the content of Na(superscript +), Cl(superscript -), SO(superscript 2- subscript 4) and Na(superscript +)/K(superscript +) ratio in almond rootstocks organs all went up with increased salt stress and longer treatment days, K(superscript +) content changed irregularly. But K(superscript +) content in every organ of A. commans persicoides rootstocks was higher than that of other two almond rootstocks; the ratio of Na(superscript +)/K(superscript +) in Amygdalus communis L. was higher than that of other two rootstocks.

研究结果表明，盐胁迫下，3种砧木根、茎、叶中Na，Cl，SO(上标 2-下标 4)含量及Na/K比均随盐浓度的增加和处理时间的延长而增加，K含量变化规律不稳定，但桃扁桃根、茎和叶片中K略高于其他两个品种；石头扁桃根、茎、叶片中Na/K比值高于其它两个品种，桃扁桃中Na/K比值最低。

Two lines, 181 and 197, were selected to investigate the root morphology further. It was found that both the lateral and axile roots of 197 decreased drastically with P stress, while those of 181 were not.

比较181和197的根系形态，在低磷胁迫下，磷低效自交系197的初生根侧根长、轴根长均显著下降，磷高效自交系181则下降幅度很小。

Enzyme activity of SOD and POD in Biddulphia sp.

在低温胁迫过程中南极硅藻H-1 SOD和POD的活性明显，CAT和ASP的酶活性变化不大或略有下降。

The content of proline and soluble sugar in Biddulphia sp.(H-1) is increased rapidly with low temperature stress.

低温胁迫能够诱导硅藻H-1细胞内可积累大量的脯氨酸和可溶性糖，二者在硅藻H-1的低温适应性中发挥了重要作用。

The results showed that contents of water in soil played a great role in the processes of flowering in Bidens pilosa L.

开花的影响利用盆栽法研究了接种AM真菌在不同水分胁迫条件下对三叶鬼针草开花时间和单株开花数量的影响。

And water stress brought flowering time forward, although it was not significant, while the number of flowers per plant was increased significantly by water stress. The process of blooming in Bidens pilosa L.

结果表明，水分胁迫对三叶鬼针草的开花时间有提前的趋势，但是不显著；而对单株花序数量影响显著，表现为干旱造成三叶鬼针草单株花序数量升高。

Seed vigor and drought resistance of three perennial forages belong to Bromus (Bromus ciliatus, Bromus inermis, Bromus ircutensis) in the period of seed germination were compared under PEG-6000 of different levels drought stress.

用不同浓度的PEG-6000溶液模拟干旱胁迫，比较雀麦属3种多年生牧草（缘毛雀麦、无芒雀麦、沙地雀麦）种子萌发期的种子活力与抗旱性。

Non-stomatal restriction was the main cause for the reduced plant photosynthetic rate of Broussonetia papyrifera.

在盐胁迫下构树选择Na而排斥K，叶片中积累的Na大于根系，这与多数非盐生植物所具有的排钠特性不同。

Seedlings of one-year-old Broussonetia papyrifera L. were subjected to the drought stress of soil under different moisture conditions. The injury degree of cell plasma membrane and the correlative enzyme activity of plasma-membre protection system in the leaves of the seedlings were studied. Their relative conductivity, MDA content and activities of superoxide dismutase, catalase and peroxidase were measured.

以盆栽当年生构树幼苗为实验材料，研究不同程度土壤干旱胁迫下及复水之后构树叶片细胞质膜的伤害程度、丙二醛含量和其酶促抗氧化保护系统（超氧化物歧化酶SOD、过氧化氢酶CAT和过氧化物酶POD）的活性。

By applying biological functional test systems, this paper aims to study the influences of the herbicide acetochlor on the heart rate and electrocardiogram of Bufo gargarizans.

采用生物机能实验系统，对乙草胺胁迫条件下蟾蜍Bufo gargarizans的心率和心电活动的相关指标进行了测定和分析。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。