不同沉降区小麦Pb污染特征研究

来源 :河南省化学会2018年学术年会 | 被引量 : 0次 | 上传用户:falinglord
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
  河南省是中国的粮食大省,小麦可通过大气沉降和土壤根系的转移吸收重金属Pb,采用设置不同沉降区(河南省重要工业城市济源和省会城市郑州)小麦大田实验的方法,研究了小麦Pb 污染特征。
其他文献
The atomic-level simulations for the short-pulsed laser heating of a tantalum nanowire has been performed using a hybrid method that couples the two-temperature model into molecular dynamics.
In this talk,a coupled hydro-mechanical modeling of porous medium is introduced within the framework of extended finite element method(XFEM).The fully coupled governing equations are derived based on
In engineering,modeling of sintering process has been developed in different scales with different methods.Our work focus on the metal material and micro-meter scale,which is a situation at the prehea
One of the remaining challenges for the implementation of commercial Bi2Sr2CaCu2Ox/Ag/Ag alloy(Bi2212)multifilamentary composite round wire in high-field superconducting magnets is quench protection.
A conjugate numerical scheme has been developed to study magneto-fluid-structure interaction(MFSI)problems with discontinuous conductivities.
The pressure effect on the cuprates high-temperature superconductors always produces intriguing physics.It was experimentally found that the hydrostatic pressure makes the superconducting transition t
Lithium metal is the first choice for the next generation of high-performance lithium battery anode materials to meet the urgent need for high energy in current technological development.
The dynamic response of solid materials under strong shock and detonation wave loading is very important in many engineering applications.These include,to name only a few,underwater implosion,pipeline
本文采用氮氧稳定自由基聚合方法在玻璃表面制备了4-乙烯吡啶聚物刷(P4VP),制备过程包含以下几个步骤:(ⅰ将)3-甲基丙烯酰氧基丙基三甲氧基硅烷接枝到玻璃表面;(ⅱ)将以过氧化二苯甲酰(BPO)引发剂,引发3-甲基丙烯酰氧基丙基三甲氧基硅烷末端上的双键产生自由基,进而将2,2,6,6-四甲基哌啶-N-氧基-1-羟基(HTEMPO·)铆接在玻璃表面;(ⅲ在)HTEMPO· 存在下,引发4-乙烯吡啶
In this paper,a brush-like poly(4-vinylpyridine)(P4VP)were synthesized on the surface of glass by using Living free radical polymerization,which involves three steps,(tⅰ)The attachmen of 3-methacry lo