The elements ranked as Cu >Zn>Ni>Pb according to their concentrations in weeds, while the accumulation coefficients were in order of Zn>Cu>Pb>Ni in weeds.
结果表明,杂草不同器官重金属的平均含量由高到低分别为根>叶>茎,重金属在植物体内含量的分布Cu>Zn>Ni>Pb,富集系数由大到小为Zn>Cu>Pb>Ni。
It is found that Alternanthera philoxeroides has great (capa-)city of accumulating Zn~(2+) and Pb~(2+) in hydroponic tests and the highest accumulation coefficients are 94.
并利用原子吸收测得富集量和富集系数。
Accumulation coefficients of different crops is in following order: Astragalus .
不同农作物对镉的吸收程度不同,富集系数为紫云英>水稻>大豆>大麦>玉米>小麦。
The enrichment coefficient of these three metals from s.
比较污泥中的Zn、Pb、Cd在小麦根和叶中的富集系数(EC),可发现3种金属在根中的富集系数均大于其在叶中的富集系数,说明小麦根部对这3种金属的富集能力大于其茎叶部分。
The enrichment coefficients are Zn>Cu>Cd>Pb>Ni>Cr in the plants.
重金属在植物体内的富集系数为:Zn>Cu>Cd>Pb>Ni>Cr。
Studies the fractions of volume and mass and enrichment coefficients of different elements in PM2.
5中的体积分数、质量分数以及富集系数,发现南京市大气PM2。
The application of pig manure resulted in the increase of the enrichment coefficients of SOC and TN in coarse sand, while the decrease in clay fraction, especially in coarse clay.
粗砂粒中有机碳、总氮的富集系数升高,黏粒(尤其是细黏粒)中富集系数降低;
Research on Relationship between Digital Terrain Characteristics and Spatial Distribution of Secondary Enrichment Manganese Ore in Western Guangxi and South-eastern Yunan,SW China
桂西—滇东南地区数字地形特征与次生富集锰矿空间分布关系研究
Dilution factor: normal (1:10). Composition pre-enrichment broth: double strength BPW with vancomycin, malachite green, and milk.
稀释系数:标准(1:10)。预富集培养基成分:含万古霉素,孔雀绿和奶的双效BPW。
Enriching Factors of Carboniferous Gas in Tiandong Region, East Sichuan
川东天东地区石炭系天然气富集因素
Effects of Phosphorus on Arsenic Adsorption in Solis and As-accumulating in hyperaccumulator Fern;
土壤和超富集植物中磷、砷相互关系
Enrichment and identification of glycogen accumulating organisms in activated sludge system
活性污泥体系中聚糖菌的富集与鉴定
ADDAS (Airborne Digital Data Acqusition System)
机载数字数据采集系统
PHYSICOCHEMICAL PROPERTIES OF CARBONIFEROUS GAS AND WATER IN EAST SICHUAN AND ITS RELATION TO NATURAL GAS ENRICHMENT
川东石炭系气水理化性质与天然气富集关系
Although the concentration of wealth in the hands of a rich minority is the underlying cause of all our economic problems, you can't blame the rich for being rich.
虽然财富集中在少数富人手中是我们经济问题的根本原因，但不能说富人有钱有什么错。
Lake Eutrophication Assessment Based on Relational Number
基于联系数的湖泊富营养化评价研究
Data Collection and Location System
数据收集和定位系统
digital oceangraphic data acquisition system
海洋数字资料收集系统
DACS (Data Acquisition and Control System)
数据收集与控制系统
airborne meteorological data collection system
机载气象数据收集系统
data collection and analysis system
数据收集和分析系统
DCAS (Data Collection and Analysis System)
数据收集与分析系统
missile intercept data acquisition system
导弹截击数据采集系统
computer data acquisition system
计算机数据采集系统