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The results showed that there were differences between adaption and regulation of different wheat varieties by prophyl dihydro jasmonate, so as to show diversity of gas exchange parameters, such as photosynthesis, water usage, etc. There was no evident difference between the reaction of two spring wheats (Jinchun1 and 1608) and the winter wheat (Xiaoyan 22) to PDJ. Different parameters of different wheat varieties had inequable reaction to different concentration of PDJ. Photosynthesis rate, water use efficiency and stomatal limiting value were enhanced when PDJ concentration reached a high degree. At the same time, leaf transpiration rate and stomatal conductance decreased. Therefore, wheat could maintain normal physiological activities while environmental conditions were changed.

结果发现,面对类似激素双氢茉莉酸丙酯调控下的不同品种小麦适应与调节存在差异,从而导致光合和水分利用等气体交换参数的表现也存在差异;两种春小麦(金春1号、l608)和一种冬小麦(小偃22)之间对PDJ的反应没有明显的冬春性间的差别;对不同品种、不同参数,PDJ起到作用的浓度不同,但无论如何PDJ都有相同的作用,当这种激素达到一定的浓度后,就会增强小麦的光合速率和水分利用率,增加气孔限制值,降低叶片的蒸腾速率和气孔导度,从而在外界条件变化时保持体内水分、延缓气孔关闭,维持体内正常的生理活动。

Biological circulation rate of five elements in Chinese fir layer is 0.412,but they are 0.505and 0.556 in shrub and herb layers,and they show the law of herb layer>shrub layer>Chinese firlayer,this shows that understory plants have significant conservation function of soil fertility innutrient circulation,but Chinese fir tree species has larger consumption of soil fertility.

杉木层的5种元素总生物循环速率为0.412,而灌木层和草本层的5种元素总生物循环速率分别为0.505和0.556,表现出草本层〉灌木层〉杉木层的规律,说明林下植物在养分循环中具有明显的地力维护作用,而杉木对地力消耗较大。

AMR, which is belonging to CELP, established by 3GPP, is the speech compressing coding algorithm applied in the 3G mobile communication system-WCDMA system, resolving the rate assignment problem between the source coding and channel coding much more intellectively, making the allocation and utilization of wireless resource much more active and efficiently.

AMR(自适应多速率语音编码,Adaptive Multi Rate)是由3GPP制定的应用于第三代移动通信W-CDMA系统中的语音压缩编码,更加智能地解决了信源和信道编码的速率分配问题,使得无限资源的配置和利用更加灵活和高效。

A mathematical model of heat and mass transfer for the burning process of fire-retardant intumescent polymer was put forward to analyze the effect of heat and mass transfer on burning behavior of IFR-PP.

实验中测量了纯聚丙烯及膨胀阻燃聚丙烯在膨胀燃烧过程中的样品质量损失、质量损失速率、热释放速率和内部温度随时间变化规律。

The effect of reaction, mixing and temperature on reaction rate in the space of instantaneous reaction rate -unreacted main reactant was studied using retention time as an objective, and a new strategy for the synthesis of reactor networks was presented under steady state, isochoric and non-isothermal anditions.

本研究以反应器系统为对象,以停留时间为目标,针对稳态、恒容、非等温条件下的化学反应过程,在瞬时反应速率 r和关键反应物的未转化率x空间探讨了反应、混合、温度对反应速率的影响,提出了在r x空间非等温反应器网络综合的新策略。

The information of absolute sealevel change is contrasted with six tide gauge data at the same time and region. The results indicate that the twomonth average sea surface change charts were almost equal and isochroous, and the value of rise speed computed of tide gauge was bigger than that computed from satellite data.

研究结果表明根据T/P海面高度数据提取的月均海面变化曲线与同海区验潮站测得的同期海面变化过程具有相当好的一致性和同步性,但是根据潮位序列得出的9年平均海面上升速率值均大于根据卫星资料得出的上升速率值。

Aiming at slope types, features, deformation traits and destroy mechanism of high steep valley slope at Jinping Ⅰ Hydropower Station, and applying monitoring results, a comprehensive prediction design is suggested. In the space, according to the occurrences of unfavorable geological phenomena such as faults F5, f(subscript 42-9) deep fracture SL(subscript 44-1) and lamprophyre vein X, all of them can be treated as the boundary conditions for slides, potential instable blocks of slope on the left abutment are estimated which take on a wedge-shaped sliding model. In the sametime, through using three kinds of joint prediction methods such as statistic models and nonlinear models, judging from the shape of curves of deformation-time and their deformation velocities, it is found that the slope is at the state of slowly creeping to uniform deforming with a deforming velocity of 0.05 mm/d.

针对锦屏一级水电站左岸高边坡的边坡类型、边坡特征、变形特点和变形机制,在监测成果的基础上,对其进行综合预报,空间上判断左岸拱肩边坡由断层F5,f(下标 42-9)、深部裂缝SL(下标 44-1)及煌斑岩脉X互相组合,形成可能边坡失稳块体的边界条件、楔型体滑移失稳模式:时间上采用统计模型及非线性模型多种方法联合预报,根据边坡变形时序曲线的形态及变形速率指出:边坡目前处在缓慢蠕动至匀速变形阶段,变形速率小于0.05mm/d。

With LI-6400 portable photosynthetic system the net photosynthetic rates,transpiration rates and water use efficiencies of two ephemeral plants,Lappula semiglabra and Tetracrne quadricornis in the Desert Area of the Junggar Basin, were studied.

运用LI-6400便携式光合测定系统,研究了准噶尔盆地荒漠区2种典型短命植物——狭果鹤虱和四齿芥的净光合速率、蒸腾速率和水分利用效率特征。

The experiment showed that As and lignosulphonate in solution could inhibit the growth of the strains.

经过研究,发现砷对氧化亚铁硫杆菌的生长有较大的抑制作用;氧化亚铁硫杆菌对砷黄铁矿的氧化速率明显快于黄铁矿,前者可达,0.2gFeAsS/L·h大约7倍于黄铁矿的氧化速率

The result shows that well developed microbiotic crust results in less invalidation precipitation than sandy soil, but sandy soil conserves 18% precipitation in deeper layer when the soil covered with microbiotic crust had been dry completely.

结果表明,结皮和流沙地表的蒸发速率随时间的变化趋势基本相同,但在不同的蒸发阶段具有各自不同的特点,总的说来,发育良好的苔藓结皮导致相对较少的无效降水,但在更长的时间维持较高的蒸发速率;流沙和初步发育的降尘结皮导致了较多的无效降水,但由于降水的入渗深度相对较深,需要更长的时间完成蒸发过程。

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