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Genetic variation and population structure of 113 individuals sampled from 13 provenances of Casuarina junghuhniana Miq.

本研究应用简单序列重复（Inter-Simple Sequence Repeat，简称ISSR）分子指纹技术，探讨山木麻黄遗传变异与亲缘关系。

Five-minute continuous cardiac contractility variability signal and heart rate variability signal were sampled from 20 healthy students' heart sound signals to study the stationary property of myocardial inotropism and chronotropism under quiescent status.

从时域分析和基于Marple算法的AR模型功率密度谱估计的结果看，心力变异性在形态上与心率变异性有着较大的相似性和较为一致的变化规律。

Characteristic indices reflecting the dynamic property of myocardial inotropism and chronotropism were extracted by processing the sampled data through cubic spline interpolation, evenly resampling, wavelet filtering and differential computation.

通过对数据进行三次样条插值、均匀重采样、小波滤波、差分运算等处理后提取了能够反映大负荷运动后心肌变力性与变时性动态特性的特征指数。

To explore the climatic implication of compound-specific hydrogen isotope ratios of sedimentary n-alkanes, the author sampled shallow sediment cores respectively from the climatically and environmentally distinct basins Qiangyong Glacier Lake,Kongmu Co Lake,Nam Co Lake, Keluke Lake and Xiao Qaidam Lake along a S-N transect on the Tibetan Plateau for the extraction and analysis of these biomarkers.

本文分别在青藏高原南部的大枪勇错、空姆错，中部的纳木错以及东北部的克鲁克湖和小柴达木湖钻取了浅岩芯，通过对沉积物中正构烷烃的提取分析和单体氢同位素比值的测定来探讨该类生物标志物单体δD值的气候指示意义。

A new dynamic model is developed for simulating the widely tunable grating assisted codirectional coupler with rear sampled grating reflector lasers.

提出了一个新的分析模型，用于宽带可调谐GCSR激光器的动态特性模拟。

Result］ The sampled identification showed that, a total of 1 462 soil animals were collected from 4 greenbelts, belonging to 14 orders, 8 classes and 2 phyla. The dominant groups were Aconite, Collembola and Hymenoptera, while Tubificidae, Arenas, Isopoda, Diplura, Coleoptera larvae were the ordinary groups and others were rear groups. The composition of soil animals in the 4 kinds of greenbelt habitats was extremely similar.

结果］ 通过取样鉴定，在4种绿地中共采获到土壤动物1 462只，隶属2门8纲14目，其中优势类群为蜱螨目、弹尾目和膜翅目，常见类群为颤蚓目、蜘蛛目、双尾目和鞘翅目幼虫，其余类群为稀有类群。4种绿地类型的土壤动物种类组成极为相似。

Due to the difference on the environmental climate characteristic, climate variables selected, number of records sampled, averaging means and compoundable ways, there are 3 types 26 VPD calculation methods which were widespreadly used for estimating evapotranspiration around the world.

众多蒸发散量估算方程式中涉及VPD之计算，由於地域性气候环境背景特性、气象因子选用考量、取样资料频率多寡、资料平均方式及资料组合方式等之不同，目前遂有超过三十种以上VPD计算式，广为国内外著名机构或学者推荐在世界各地应用。

From Chaotianmen to Zigui,the Shannon-Weaver diversity index of phytoplankton changes undeely.4 the impact of sediment deposition on zooplankton in the waters studiedAccording to the results of the experiment, we had learnt that the species composition of zooplankton sampled had the same tendence-the species was from less to more, and the biomass was also gradually increasing. Particularly Copepoda had increased significantly in the type and quantity. The main of zooplankton at each sampling situs were protozoa and rotifers.

朝天门江段到秭归江段的浮游植物的Shannon-Weaver多样性指数呈波浪式变化，整体有下降趋势。4研究水域泥沙沉降对浮游动物的影响从本次实验的结果来看，四次采样浮游动物种类组成都有同一个趋势：种类由少到多，生物量也逐渐增大，特别是桡足类在种类和数量上都增加明显，各采样点的浮游动物以原生动物和轮虫为主。

Roots were sampled by coring and the changes of root weight and length were determined in five development stages.

空间分布规律是：冬小麦根系随土层深度的分布，无论是根长还是根重都是由上到下逐渐减少，遵循指数递减模型。

To enrich scientific understanding of this issue, we employed the ISSR (inter-simple sequence repeat) markers to determine the genetic structure in Cryptocarya chinensis. Four hundred and forty-eight individuals from six fragmented populations in Guangdong Province were sampled according to age classes.

因此， 本文采用ISSR(inter-simple sequence repeat)方法对广东省鼎湖山、黑石顶、大雾岭、古田、萝岗和饶平6个地点的南亚热带片断化森林中的厚壳桂种群的遗传多样性进行了研究。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。