Differences of Cell Wall Polysaccharides in Border Cells and Root Apices of Pea ( Pisum sativum) Under Aluminium Stress 铝胁迫下豌豆根边缘细胞和根细胞壁多糖组分含量的变化
The distance between the near Gaussian apices is controlled accurately by controlling accurately the divergence of LD. 通过对横向偏距的精确控制,来控制相邻高斯分布的间距。
Minute fragments of shoot apices are proverbially difficult to culture. 微小的茎尖切段通常是难以培养的。
The labial cortical plate and alveolar bone below the level of the incisors apices are sectioned with a No.701 fissure bur. 唇皮层板和牙槽骨的水平以下的切牙根尖的切片,以第701号裂刺。
This concept has now been replaced, for stem apices, by the tunica-corpus theory. 此观点目前已经被原套原体学说所取代。
The apices of the lungs get proper oxygenation. 肺脏的顶部得到适当的氧合作用。
Current models of stem cell biology assume that normal and neoplastic stem cells reside at the apices of hierarchies and differentiate into nonstem progeny in a unidirectional manner. 流行的干细胞生物学理论认为,正常干细胞以及肿瘤干细胞位于细胞层阶的最顶端,单向分化为非干细胞的子代细胞。
Plants with the most severe phenotype formed only green organs, with many shoot apices on their adaxial sides. 严重表型的植株只产生绿色的器官,在其近轴面有许多芽。
More short the distance between the near Gaussian apices, more even the intensity distribution of the higher-order mode. 当相邻两高斯分布间间距越小时,高阶模光强分布越均匀。
The light stimulus is perceived by the leaves and in some unknown way transmitted to the floral apices. 叶感受光刺激后,以某些未知的途径传递给花原基。
What's more, the application of PID control, apices configuration and PID control based on NN-BP in the electro-hydraulic servo system is developed. The simulation results show that the control strategies are in effect. 另外,作者还研究了PID控制、按极点配置设计控制规律和神经网络PID控制在所设计的电液力矩伺服系统中的应用,仿真结果表明几种控制策略是有效的。
The primary site of Al toxicity locates in root apices. 铝毒害的最初作用位点在根尖。
The results showed that the DNA methylation level of shoot apices at different stages was different, That at vegetative stage was higher than reproductive stage. 结果表明,不同生育期白菜茎尖DNA甲基化水平不同,营养生长期高于生殖生长期。
Study on the annual growth rhythm of the rhizome apices of Phyllostachys pubescens 毛竹鞭梢年生长节律的研究
Each chromosome represented a combination of the machine coding about finished accessory processing, through virus generation's infection on the main generation, the searching ability of escaping from the local apices was increased. 每个染色体都代表完成零件加工的机器编码的组合,通过病毒种群对主种群的病毒感染,提高了逃脱局部极点的搜索能力。
On the basis of form theory study of scattering of quantum human body, the solving methods of parabola coordinates and ball coordinates of coulomb scattering of quantum human body and Regge apices of coulomb scattering of quantum human body were studied. Three conclusions were gotten. 在量子人体散射的形式理论研究基础上,开展了量子人体coulomb散射的抛物线坐标解法、球坐标解法和量子人体coulomb散射的Regge极点,并得到了三点结论;
After vernalization, DNA methylation level in shoot apices under both treatment condition was decreased comparing with control plants, but GA content was increased to 2-3 times of control's. 春化处理后,两处理植株茎尖组织DNA甲基化水平都较对照下降;但GA含量明显上升,为对照的2~3倍;
The low dff value in physiologically active organs, such as young leaves, flowers, and stem apices indicated that the nodular nitrogen fixation and the application of nitrogen fertilizer were important for their development. dff值表明,在花序、顶心、绿叶生理功能旺盛器官,比茎干和衰老器官低,说明生物固氮或土壤供氮对紫云英功能器官发育的重要性。
CONCLUSION: MTA is more effective in treatment of teeth with open apices in adults, it is a good material for repairing perforation. 结论:MTA治疗根尖开敞患牙临床效果好,能够最大限度地保存患牙,是目前临床上较理想的根管穿孔修补材料。
Low cycle photonic crystals also contain conduction bands and transparency apices. 周期性不好的光子晶体,也含有比较好的导带和透过峰。
This paper have introduced the mirror of compact disk server, and compared with CD tower and CDROM database at all round. Detailed the predominance and application of the mirror of compact disk that apices in tbe library. 本文从多个角度对光盘镜像服务器、光盘塔、光盘库作了比较详细的对比分析,阐述了光盘镜像服务器应用于图书馆的各种优势。
This paper analyses the developing characteristics in interior structure hierarchy, recapitulate of two apices, varieties, open performance and adapting, non-line whole evolvement, direction of evolvement and dynamic of evolvement developing on system aspects. 本文从系统学角度分析了学术球系统的内部结构层次性和两极点概括性、多样性、功能演化开放性和适应性;整体演化非线性、演化方向不可逆性和演化发展动态性等发展特征。
Through the test of XRD and FTIR, it was found that in the testing chart there were no characteristic apices of DBP, so we can conclude that the plasticizer of DBP were removed entirely. 通过XRD及FTIR测试可知,添加增塑剂后的测试图中不含有DBP的特征峰,说明DBP在洗涤的过程中萃取得比较完全。
Apices slightly rounded or tapering; 顶稍圆或尖削;
Almost 2/ 3 of apical foramens did not locate at their apices. 约2/3的根尖孔位置不在根尖。
The studies on the development, structure and ecological adaptation of aboveground root apices of the mangrove plants 红树植物地上根根端的发育、结构与生态适应
In the present study, the cell wall pectin content, CEC of root apices and Al-induced secretion of organic acid anions from roots of 10 triticale cultivars differing in Al resistance were examined. 本文在筛选不同小黑麦品种铝敏感性的基础上,研究了根尖细胞细胞壁中的果胶、阳离子交换量(CEC)及铝诱导的有机酸分泌在抗铝性中的作用。
Gene expression analysis showed that, it increased expression in the ethrel-induced stem apices of cucumber, and the expression in stamens of male flower was weaker than all parts of female flower. 基因表达分析表明,其在乙烯利诱导的黄瓜茎尖中表达增强,而在雄花的雄蕊中表达弱于雌花的各个部位。