查询词典 stress function

In order to survey the photosynthetic mechanism function and physiological response mechanism under drought stress, using Cerasus humillis Bunge as experiment materials and pot culture experiments simulating soil drought, its physiological ecology response under different soil water levels were studied.

为探讨干旱胁迫下欧李的光合机构功能及其干旱逆境的生理响应机制，采用室外盆栽的试验方法，研究了欧李在不同土壤水分条件下的生理生态反应。

Many vegetal cells accumulate a great deal of betaine under stress conditions, especially Chenopodiaceae and Gramineae, improving cell osmoregulation ability and stabilizing structure and function of intra-cellular macromolecule protein and biomembrane.

在盐分胁迫下，许多植物特别是黎科和禾本科植物细胞中大量积累甜菜碱，可提高细胞渗透调节能力，稳定细胞内大分子蛋白质和生物膜的结构与功能。

a studies of the drought-resistant identification on nine types(18 maize varieties) in condition of simulated drought stress were tested though 3 agronomical indexes such as relative germination frequency, root dry weight, leaf water content, the subordinate fuzzy function was used to evaluate compressively the drought resistance of the eighteen maize varieties.

玉米是我国三大粮食品种之一，每年种植面积达到2500万公顷左右，主要分布在东北、华北及西南、西北等一部分地区，而我国干旱、半干旱地区（包括华北、西北、内蒙古和青藏高原等地区）主要分布在这一带，约占全国土地面积的二人之一[1]。因此，对玉米抗旱性研究是提高其产量的一个行之有效的途径。

Reconstructed coracoclavicular ligament by allogenous tendon has good material intensity, and can meet the requirements of local stress, better substitute integrity and function of coracoclavicular ligament. Moreover, it has precise effect and simple operation. It acts as long-term fixator following plate removal, thus is important supplement of clavicular crook plate fixation.

采用异体肌腱重建的喙锁韧带经过重塑形而成熟，具有较好的材料强度，能满足局部应力要求，能较好地替代喙锁韧带的完整性及功能，效果确切，操作简便，在去除钢板后发挥永久固定作用，是锁骨钩钢板固定的重要补充。

By sift out groups of credent data from those collected and surveyed from experiment and then analyze them, a regular function about stiffness and stress level will be constructed.

通过试验和相关工程数据收集，使用数据筛选与回归分析等手段，得出两者的解析关系式。

The results showed that chloroanilines brought to effect on physiological function and caused oxidative stress in crucian carp.

结果显示了氯代苯胺对鲫鱼体内生理生化作用的影响以及对机体的氧化损伤。

The results indicate that the first ten step natural frequency range from 233.2Hz to 526.8Hz, the natural frequency is higher than the value specified by the standard.6. The profile equations of shaping gear ring are deduced out by profile normal line method. The involute and transition curves are automatically generated through the macro function in Solidworks. And the three-dimension model is built. Based on the three-dimension model, the deformation and dedendum stress is studied.

6应用齿廓法线法推导出了插齿加工的渐开线直齿内齿圈的精确齿廓曲线方程，并通过Solidworks中的宏功能采用Visual Basic语言编程实现了内齿圈齿廓渐开线以及齿根过渡曲线的自动生成，建立了内齿圈的精确三维实体模型，研究了内齿圈的轮齿变形及齿根应力。

Secondly, the paper carries on the destruction processes and the stress distribution situation numerical simulation of the concrete three point bending specimen with bias crack under static load function,, and analyze specimen crack expansion and the destruction mechanism, obtain the reason that the crack expanding flectional way is because the material nonuniformity, in the same time, from the specimen destruction process chart we can see that the crack bias degree has some influence on the crack expansion way.

其次论文对含偏置裂纹的混凝土三点弯曲试件在静态载荷作用下的破坏过程和应力分布情况进行了数值模拟，并对试件的裂纹扩展和破坏机理进行了分析，得出裂纹扩展的曲折性是由于材料不均匀性所引起的，同时从试件的破坏过程图中可以看出，裂纹的偏置程度对裂纹的扩展路径有一定的影响。

Preliminary studies confirmed that through the valeriana jatamansi Jones used in the treatment of IBS has a significant effect,and its technical Powder can improve the gastrointestinal function and the abnormal of nerve and spiritual activity of rat model induced by chronic stress.

通过前期研究证实了蜘蛛香应用于治疗IBS有显著疗效，蜘蛛香原粉对慢性应激所致IBS大鼠模型的胃肠功能及精神神经活动的异常均具有改善作用。

Therefore, the LsHNXs genes were cloned in this study, and their function was studied by RNAi. The main results were shown as follows:1 The conservative sequences of three LsHNXs genes (LsHNX1, LsHNX2, and LsHNX3), and the 3'-terminal specific sequences of LsHNX2 and LsHNX3, were cloned by RT-PCR and 3'-RACE.2 The plant RNAi vectors were constructed and the transformation of Limonium sinense was done. The RNAi lines of three single-genes and one double-gene were obtained and were propogated rapidly for the molecular and the stress tolerance analysis.3 To be compared with wild type, the Na+ and K+ contents secreted by the leaves of LsNHX1 transgenic plants were remarkably higher.

主要实验结果如下：1采用RT-PCR和3'-RACE方法从补血草中克隆获得LsNHXs基因家族三个成员LsNHX1、LsNHX2和LsNHX3的保守区序列以及LsNHX2和LsNHX3的3'端特异序列。2构建植物基因RNAi沉默表达载体并转化补血草，获得三个单基因和一个双基因的RNAi沉默表达植株，快繁转基因植株供分子鉴定和耐逆分析。3LsNHX1转基因植株叶片表面分泌物中的Na+、K+离子含量比野生型对照显著增加；叶组织内Na+离子含量和K+离子含量均略高，但差异不显著；K+/Na+比没有显著差异。4LsNHX2转基因植株叶片表面分泌物中的Na+离子含量比野生型对照有所下降，但差异不显著；K+离子含量比对照显著降低。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。