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And Changbai larch(Larix olgensis A.Henry)atdoubled CO2 concentration at seedling stage in growth-chamber and WI,HI of several dorminanttree species in MBKPF(1)Under 700μl·1-1 concentration of CO2,the stem height, stem diameter,main root length,root/shoot ratio and the relative proportions of biomass in root,stem and leaf of the seedlings ofKorean pine and Changbai larch had no significant change.

在700μL·L-1CO2条件下与正常浓度下相比较,在一个生长季后,红松、落叶松幼苗的苗高、地径、主根长、根茎比及生物量在根、茎、叶各器官中比例,差异不显著,对落叶松的侧枝数有影响;在第一、二次试验中,落叶松幼苗的平均每株生物量比在正常CO2浓度下大12.2%、14.2%,而红松幼苗的生物量分别减少3.9%、12.8%;红松、落叶松针叶叶绿素含量以及叶绿素a的相对含量在高浓度CO2下受到影响。

The results showed that the calorific values of the test plant species had no unified change pattern, which was possibly related to the partitioning ratio of calorific value in different plant organs and the timing when the reproductive period appeared. In general, spike had a higher calorific value than leaf and stem, and aquatic plants had obviously lower calorific value than mesophytes and wet mesophytes. Within a species, the change pattern of calorific value had certain relations to the phenophase, with approximately two lowest values and two highest values. Among the species, the differences in the calorific value were decided by the nature of the species themselves. Under the same habitat and climatic conditions, the species that contained more materials rich in energy could more easily accumulate calorific, and thus, more adaptable to grow under this environment.

结果表明:各物种的热值动态变化规律并不是统一的,这种变化可能与植物各器官热值的变化及生殖期出现的时间有关;各植物器官的热值普遍表现出穗的热值大于茎和叶;水生植物的热值明显小于中生性和湿中生性植物;种内热值变化随物候期变化有一定的规律,大约会出现2次低值、2次高值;种间热值差异是由于植物本身性质决定的,在相同生境和气候条件下,植物体中含能物质越多,就越易积聚热值,从而更适宜生长在此环境。

RT-PCR analysis showed that CmMADS3 expressed at high levels in flowers and young fruits and at low levels in sterns.

RT-PCR分析显示,该基因在板栗的花和幼果中表达丰度高,在茎中有微弱的表达,在叶中不表达,研究结果表明CmMADS3基因是板栗花器官发育中具有E功能的功能基因。

RT-PCR analysis revealed higher expression levels of GmRLCK in soybean cotyledons,roots,flowers and young pods;whereas lower expression levels were detected in radicles,stems and mature leaves at vegetative stage.

RT-PCR的结果表明,GmRLCK在大豆子叶、根、花以及豆荚中都有较高的表达,而在胚根、茎和成熟叶片中的表达相对较弱。

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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。