Bioaccumulation of Heavy Metals along Food Chain in the Water of Zhalong Wetland;
扎龙湿地水体重金属沿食物链的生物累积分析
Study of typical organochlorine pesticides bioaccumulation and influence factors in Daya Bay;
大亚湾海域典型有机氯农药生物累积特征及变化因素研究
Ecotoxicity and bioavailability of Cd were quantified by calculating the median effective concentration (EC_ 50 ) and bioaccumulation factor (BAF).
以中国东北黑土为培养基,通过室内急性毒性实验,采用TrimmedSpearman-Karber方法计算EC50值(半抑制浓度),并分析作物的生物累积系数(BAF),定量化评估了土壤中镉对玉米和大豆的生态毒性及生物有效性。
The selenium bioaccumulation of Tenebrio molitor larva;
黄粉虫幼虫对硒的生物积累
Bioaccumulation of Different Nutritive Elements of Leymus chinesis Steppe in Isohumisol Soil Inner Mongolia;
内蒙古羊草草原均腐土营养元素的生物积累
The study on risk assessment and effective pollution control is ecologically important to understand the bioaccumulation and biomagnification of persistent organic pollutants (POPs) in both aquatic and terrestrial food chains.
本文综述了POPs的基本特征,POPs在食物链中的生物积累与放大的机制、影响因素以及POPs在食物链中积累与放大的模型等的研究进展。
The research content included the slope-directive variation of soil bio-accumulations properties and related nutrient status, base cation leaching, the quantity of microorganism etc.
研究内容主要包括土壤生物积累及相关养分状况、盐基淋溶作用和微生物数量等方面的坡向性分异,并探讨其对山地土壤资源开发利用和生态环境建设的意义。
The starting time and ending time of the fast growth stage of biomass accumulation of cotton was caused by.
25 kg/hm2)处理下的棉花生物量积累进行大田试验,结果表明棉花干物重积累符合Logistic模型,棉花生物量增长对氮肥反应敏感,不同的施肥量造成棉花生物量积累快速生长期的起始、终止日不同,使快速生长期内生物量积累的平均速率、最大速率等参数发生改变,从而影响营养生长和生殖生长进程,这是产量形成差异的主要原因;施入氮258。
Methods Potted plant test was used to mensurate the morphological index,the biomass accumulation and distribution of F.
方法采用盆栽试验方法,测定了不同施水处理下金荞麦形态指标、生物量积累及二者分配情况。
The biological amassing capacity from the big crown makes it possible for the spinulose tree fern to grow into a big tree.
植物要长成大树需要支持能力、水分供给能力和生物积累量。
Effects of nitrogen application rate on spatiotemporal variability of biomass accumulation of cotton s fruiting branch at flower and boll stage.;
施氮量对花铃期棉花果枝生物量累积时空变异特征的影响
The height and biomass accumulation of salt-stressed seedlings decreased as the salt concentration increased,this was especially evident for the seedlings of Ptelea trifoliate,Betula lenta and Rhus glabra.
kg-1时,沃氏金链花植株死亡,其它各存活树种也均出现不同程度的盐害症状;(2)盐胁迫后,各树种的苗高生长量下降、生物量累积减少,且随着处理浓度的增加均呈下降趋势,其中榆桔、甜桦和光叶漆的降幅最大;(3)盐处理后,各树种的根冠比值增大,其中盐胁迫对光叶漆、银水牛果和沃氏金链花有显著影响(p<0。
biologically cumulative effect in food chain
食物链的生物累积效应
Study on the Heavy Metal Forms and Its Bioaccumulation in Nanjing Suburb Soils;
南京市郊土壤重金属形态特征及生物累积研究
Acid Volatile Sulfide and Bioaccumulation of Cr in Sediments from a Municipal Polluted River
城市污染河道沉积物中AVS与Cr的生物积累研究
A Study on Biomass Accumulation of Cucumber Plants in Controlled Enviroment
可控环境下黄瓜生物量积累模型研究
Comparison of phytoextraction efficiency of Cd with the hyperaccumulator Thlaspi caerulescens and three high biomass species
超累积植物与高生物量植物提取镉效率的比较
Accumulative Regulation of Total Alkaloid in Leonurus Artemisia (Lour.)S.Y.Hu by Various Growth Regulate Matters;
生长调节物质对益母草总生物碱积累的调控
Affecting Factors on the Production of Secondary Metabolites in Hairy Roots of Medicinal Plant
药用植物毛状根次生代谢物积累的影响因素
Study on Absorption and Accumulation Mechanisms of Manganese in Hyperaccumulator Phytolacca Acinosa Roxb. (Phytolaccaceae);
超积累植物商陆吸收累积锰机理研究
Effects of Cd on the Physiological Characteristics and Growth of the Sonchus asper L. Hill
Cd对超累积植物续断菊生长生理的影响
Dynamic Simulation on Photosynthetic Production and Dry Matter Accumulation in Arachis hypogaea(L.)
花生光合生产与干物质积累的动态模拟
Effect of Sewage Sludge on Vegetable Yields and Deleterious Substance Accumulation
污泥对生菜、萝卜产量及有害物质积累的影响
Biomass and nutrient accumulation of poplar plantation on beach land in Yangtse River in Anhui province.
安徽长江滩地杨树人工林生物量和养分积累
Study on Rapid Propagation and Total Alkaloids Accumulation of Dendrobium Nobile
金钗石斛快速繁殖及其生物碱累积的研究
Studies on Accumulation and Genotoxicity of Rare Earth in Organism;
稀土元素在生物体内的积累及遗传毒理研究
The Effects on Matter Accumulation and Physiological Metabolizability of Nitrogenous Element of Rapeseed;
氮素对油菜物质积累及生理代谢影响的研究
Accumulation Characters of Main Biochemical Substance and AFLP Fingerprint Analysis in Vegetable Soybean;
菜用大豆主要生化物质积累特性及AFLP指纹分析
Biomass and the Nutrients Distribution and Accumulation of Plantations on Loess Plateau;
黄土区人工林生物量及养分积累分布研究
Studies on Developmental Anatomical Structure and Seasonal Alkaloids Change of Aconitum Carmichaeli.;
附子发育解剖学及生物碱积累规律研究