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- perennial dynamic variation 多年动态变化
- Nitrogen Content Dynamic Variation Analysis in the Second Songhua River. 第二松花江水体中氮含量的动态变化分析
- To discuss the dynamic variation rule of sialic acid content in milk. 探讨牛奶中唾液酸含量的动态变化规律。
- The dynamic variation of the contents of flavonoid and cholorogenic acid in the leaf of Acer truncatum were studied. 通过对不同月份元宝枫叶产量和叶内黄酮、绿原酸含量的动态研究表明:元宝枫叶内黄酮的含量以8月份最高,含量达5 73%25;
- The changes of some seismic precursor fields could be related to the dynamic variation in ambient shear stress field. 某些地震前兆场的变化反映出其与环境剪应力场的动态变化有着密切关系。
- The dynamic variation of vinblastine content in different parts of Cathar anthus roseus was measured by ultrasonic extraction and HPLC. 采用超声提取和高效液相色谱法,对人为采收后的野生长春花中长春碱含量的动态变化进行了比较分析。
- Based on the quality data of overyear water table and groundwater,the research studied the dynamic variation of water table and quality of groundwater. 本文在总结银川地区地下水监测点的多年水位和水质资料的基础上,研究地下水水位的动态变化和水质随时间的变化。
- Meteoric water, artificial exploitation and percolation for irrigation canals are the main influence factor of dynamic variation of groundwater. 地下水位频繁的升降一是改变了上覆土体的状态和强度，促进土体崩落；
- Objective:Determining and comparing the saponins and flavonoids contents in Glycyrrhiza uralensis Fisch to know the dynamic variation. 目的:测定不同生长年限和采收期甘草样品总皂苷和总黄酮含量,了解栽培甘草皂苷和黄酮类成分的动态变化。
- The simulation results show that the system relationship model can reflect dynamic variation on its shell temperature and predict indirectly the shell thickness at tapping spout. 仿真结果表明，所建立的关系模型能够反映结晶器出钢口处坯壳表面温度的动态变化，及间接地预知坯壳厚度目的。
- Based on the quality data of overyear water table and groundwater, the research studied the dynamic variation of water table and quality of groundwater. 摘要本文在总结银川地区地下水监测点的多年水位和水质资料的基础上，研究地下水水位的动态变化和水质随时间的变化。
- ObjectiveTo observe the content dynamic variation of total flavonoids in Chrysanthemum morifolium Ramat.(CMR) from different storage time and storage condition. 目的考察杭白菊存储时间及存储方法与总黄酮含量的动态变化。
- Such dynamic variations are also influenced by soil types and soil depth. 这种动态变化同时受土壤类型和深度的影响。
- The crisscross-inheritance and atavism are two different concepts in essence.The crisscross-inheritance is a dynamic variation that pathogenic genes of X-chromosome vary with the X-chromosome. 交叉遗传和隔代遗传是有本质区别的两个概念,交叉遗传是指位于X染色体上的致病基因随X染色体的动态变化而变化。
- The dynamic variation of the orber 4 items of immunologic parameters in typical cases were exampled. These experimental results suggested that the serum TNF and TNFa level had a negative correlation with the neutrophil functioms. 文中列举典型病例的4项免疫参数的动态变化，提示患者血清TNF和TNFa水平与中性粒细胞功能呈负相关。
- In this paper, the goodness of fit of time series analysis and forecasting model is good, so it can be used to analyze the regularity of disease or death dynamic variation and forecast its future development trend. 本文运用的时序分析和预测模型拟合效果较好,可推广应用于疾病发病或死亡动态变化规律的分析和其未来发展趋势的预测、预报。
- The SARS transport, the dynamic variation of SARS virus concentration and airflow in Block E in Amoy Garden which is very difficult to predict are simulated by MIX after it is developed reasonably and originally. 针对香港淘大花园SARS病毒颗粒物的传播这种复杂的特殊问题，本论文对MIX模型作了一些合理和创造性的处理，预测了香港淘大花园E座建筑各公寓的SARS病毒颗粒物浓度在SARS爆发期间的动态变化以及空气流动情况。
- The applications of fractional method on the dynamic variation of wetland resources were investigated, wetland resources in Lixiahe region, north of Jiangsu province, as an example. 以苏北里下河地区湿地资源动态变化为例,探讨了分形方法在湿地资源动态变化研究中的应用。
- Objective: To study the monthly dynamic variation of the contents of six isoflavones in the rhizomes of Belamcanda chinensis cultivated in Nanjing,and decide optimum harvesting times. 目的:研究不同月份南京栽培射干6种异黄酮成分的动态变化规律,确定最佳采收期。
- Such characteristics as large quantity, isomery and dynamic variation and so on make Web information extraction different from traditional information extraction, and bring new challenges. Internet具有的海量、异构、动态变化等特性使Web信息抽取不同于传统信息抽取，同时带来了新的挑战。
