Variation of coleoptile length in winter wheat varieties under PEG simulated drought stress and its association with their drought tolerance 模拟干旱胁迫下冬小麦胚芽鞘长度变化及与抗旱性的关系研究
Assembly variation must be calculated in the process of product design based on part tolerance, and it is assumed that the part is rigid in the process of assembly. 产品设计过程中需要根据零件公差计算其装配公差,但是传统的方法均假定零件在装配过程中不发生变形。
The variation of temperature coefficient of resonator frequency with tolerance factor was discussed. 分析了谐振频率温度系数随容忍因子的变化关系。
The results indicated a significant genotypic variation of low phosphorus tolerance in the tested germplasm. 结果表明,供试菜豆种质中在耐低磷特性方面存在着基因型差异。
Genetic Variation of Cold Tolerance Characters of Yunnan Rice Landraces at Indica and Japonica Rice Cropping Regions C-band polymorphism in tetraploid wheat ( Triticum turgidum) landraces from Qinghai and Gansu 籼粳稻区云南稻种耐冷性状遗传变异研究甘青地区四倍体小麦染色体C-带多态性
The variation of proline content, root activity and electrolyte leakage rate under critical low temperature and the variation of chlorophyll content and Fv/ Fm under low temperature and poor light are very important for study on the tolerance mechanism. 临界低温下黄瓜幼苗的脯氨酸含量、根系活力、电解质渗漏率等和偏低温弱光时的叶绿素含量、荧光参数等反映了黄瓜的相关生理代谢变化,可用于分析黄瓜的低温弱光耐性机理。
This article represents some of the major aspects of abiotic stress research in barley including developmental genes, wild species/ landrace variation, and genetic mapping ( QTLs), and the research advance and current objectives in the use of molecular markers to abiotic stress tolerance. 综述分子标记在大麦耐非生物胁迫研究中的应用及其研究进展,包括发育基因效应、野生种或地方种的变异、遗传(QTLs)图谱等。
Study on genetic variation of tolerance to water stress of willow hybrids and clones 柳树杂种及无性系耐水性遗传变异的研究
The genetic variation of the Na+/ K+ in root and salinity tolerance rating were explained by both additive and dominant gene effects. 在决定水稻根系Na+/K+和盐害级别的遗传变异中,主位点组的加性效应和显性效应共同起作用。
Variation Analysis of the Glycemic Excursions in Siblings of Diabetes Mellitus with Normal Glucose Tolerance 糖尿病亲属中糖耐量正常者血糖水平的漂移变化分析
The variation of urinary β_2-microglobulin,α_1-microglobulin, transferrin and albumin in patients with impaired glucose tolerance 糖耐量减低者尿中β2-微球蛋白、α1-微球蛋白、转铁蛋白和微量白蛋白的变化
Chapter three studies the geographical variation and change of Xuanhua dialect. From the difference analysis of disease tolerance, the differences of geographical variation were not obvious; 第三章,宣化方言地理的变异与变化。抗病性差异分析中可知,各种源的差异不明显。
Pot experiments were carried out to study the variation of cadmium tolerance and accumulation in 16 tobacco cultivars. 通过盆栽试验研究了16个烟草品种吸收与忍耐镉的差异。
Objective To study the variation of urinary microproteins in patients with impaired glucose tolerance ( IGT) for preventing the occurence of diabetes mellitus ( DM). 目的研究糖耐量减低(IGT)者尿中微量蛋白的改变,监测IGT的进展和预防糖尿病(DM)的发生。
Up to date, however, the genotypic and environmental variation of toxic heavy metal concentrations in rice grains and its mechanism remain poorly understood, thus hindering the progress of breeding and agronomic improvement in heavy metal tolerance and accumulation. 但目前有关水稻有毒重金属积累的基因型与环境效应及其机理尚不清楚,从而限制了相关育种和栽培工作的开展。
The first part is to build the simplest model to describe the phenotype variation of bacterial drug tolerance. 第一部分是利用尽可能简化的理论模型描述大肠杆菌在耐药性上的表型分化现象。