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- Distributional Characteristics of Hyperaccumulators at Time and Space as Well as in Family and Genus. 超积累植物在时空、科属内的分布特点及寻找方法。
- Objective To describe the distributional characteristics and development of dentists doing orth-odontic work in Liaoning. 目的描述辽宁省11个城市口腔正畸人才的发展状况和分布特点。
- Objective To find out exposure level and distributional characteristics of risk factors for stroke in sampling population among communities. 摘要目的了解我国四城市40岁以上人群脑卒中危险因素暴露水平及其地区分布特征。
- Photometer for measuring the directional light distribution characteristics of sources or luminaires. 测量光源或灯具定向光线分布特性的光度计。
- Sludge distribution characteristics of the three tank alternating system are determined by its distinct operating mode. 三池交替工艺的污泥分布特性是由其独特的运行方式决定的。
- Distribution characteristics and three types of placer gold deposits are summarized. 总结了砂金矿床分布特征,并将3种类型进行了对比。
- The distributive characteristics of PAHs in different districts and different seasons were mainly studied. 主要研究了多环芳烃的地区和季节分布特征。
- She population has its own STR allele distribution characteristic. 浙江畲族人群有其自身的 STR等位基因分布特征。
- The distributing characteristics of organochlorine compounds contaminants in sediments of Pearl River Delta and nearby sea area. 珠江三角洲河口及邻近海区沉积物中含氯有机污染物的分布特征。
- This paper presents an algorithm of QTM-based line simplification,which is built on the distribution characteristics of polyline vertices in a regular grid. 本文依据数据点在规则网格中的分布规律,提出了一种在QTM数据结构支持下的线状图形化简算法。
- This paper develops a method to estimate position of emitter based on distribution characteristics of bearing measurement errors. 摘要在测向交叉定位的基础上,提出了一种根据测向误差概率分布特性估计目标位置的方法。
- The distribution characteristics of long chain alkyl benzene in different state hydrocarbon can be used for petroleum accumulation dating. 长链烷基苯在不同赋存状态烃的分布特徵,可以应用于油气聚集时间和成藏差异的研究。
- In the plant organs, the stomatic distribution characteristics of leaf epidermis may be taken as an evidence of plant classification. 在植物不同的器官中,叶表面的气孔分布特征可以作为植物分类的佐证。
- Distribution characteristics of phosphorus in different media at upper reaches of Shandian River basin of north Hebei plateau. 冀北高原闪电河流域上游不同介质体中总P分布特征
- The research aimed to master the distribution characteristics of anthraquinone compounds in the stem of Rheum tanguticum Maxim. et Balf. 摘要[目的]为了系统掌握六盘山鸡爪大黄茎蒽醌类化合物的分布特征。
- The distribution characteristics of grain-size and chemical element characteris tic of atmospheric particulate matter in Jingzhou were studied. 摘要分析了荆州市大气颗粒物粒径的分布特征和化学元素组成特征。
- The distribution characteristics of butylphenol, octylphenol, dichlorophenol and bisphenol A in Jiaozhou Bay and its adjacent rivers were studied. 分析青岛胶州湾及其临近河流中丁基酚、辛基酚、二氯酚和双酚A等环境激素的污染特征。
- The distribution characteristics of HCB discharged from a chemical plant in water, sediment, soil and plant sample was studied. 研究了某化工厂排放的六氯苯在水体、沉积物、土壤和植物中的分布情况。
- Investigates the distribution characteristics of secondary debris clouds generated during a hypervelocity oblique impact. 研究超高速斜碰撞所形成的二次碎片云的分布特性。
- According to the geotectonic and active blocks distribution characteristics in China continent and its neighborhood, 32 subregions are subdivided. 结合中国大陆及其邻区的地质构造与活动地块分布特点,将研究区划分为32个独立的分区。