1) migration and distribution
迁移与分布
1.
The isotope tracer technique is used to study the dynamics of migration and distribution of 95Zr in a simulated marine fishes-seawater-sediment system, and its dynamics is described mathematically using a compartment model with a non-linear fitting method.
采用同位素示踪技术研究了 95Zr在鱼 -海水 -底泥模拟系统中的迁移与分布。
2.
In this study, tritium water was administered into simulated Chinese cabbage( Brassica chinensis )\|soil system in mode of simulated irrigation and rainfall to study its migration and distribution in each component of the system.
采用模拟污染物的同位素示踪技术研究了两种引入方式 (模拟灌溉和降雨 )下氚水在青菜 -土壤模拟生态系统中的迁移与分布动态。
2) vertical distribution and migration
垂向分布与迁移
1.
The rule and mechanism that total organic carbon,clay content and soil water content affected PHEs' vertical distribution and migration were shown by testing and analyzing soil samples from vadose zone and aquifer in the typical environment district-Zhangshi irrigated area.
通过对典型环境功能区张士灌区包气带剖面样品和含水层样品的分析检测,比较和总结了菲的垂向分布特征,研究了总有机碳、粘粒含量、土壤含水率对菲垂向分布与迁移的影响规律和机理。
3) dynamics of transference and distribution
迁移与分布动态
1.
The dynamics of transference and distribution of 95 Zr in the tea soil ecosystem were studied by using isotope tracer techniques for simulated pollutants from nuclear power plant, and the fitting equation was confirmed by application of the closed tow compartment system model and nonlinear regression method.
采用模拟污染物的同位素示踪技术进行了95Zr在茶树 土壤系统中的迁移与分布动态研究 ,并应用库室模型和非线性回归方法确定了各分室的拟合方程。
4) partitioning
[英][pɑ:'tiʃən] [美][pɑr'tɪʃən]
迁移分布
1.
Effects of sulfur compounds on Cd and Pb partitioning in a simulated MSW incinerator;
垃圾焚烧中硫化合物对Cd、Pb迁移分布的影响
2.
An incineration experiment using simulated municipal solid waste (MSW) in the tubular furnace was performed to study the effects of SiO2,Al2O3 and CaO on the partitioning of Cd and Pb under different operating conditions which included adsorbents percentage,furnace temperature and residence time.
利用管式炉和模拟垃圾,研究了焚烧过程中SiO2、Al2O3、CaO等吸附剂对重金属Cd、Pb迁移分布的影响规律,考察了不同吸附剂添加量、管式炉反应温度和停留时间的影响。
3.
Effects of sulfur compounds on Cd and Pb partitioning and speciation in a simulated MSW incinerator;
采用管式炉和模拟垃圾对垃圾中不同硫化合物对重金属Cd、Pb迁移分布特性的影响进行了研究,使用ICP-AES(美国EPA消解方法)、SEM/EDS和XRD分析技术对重金属浓度、灰渣表面形貌及成分和灰渣X射线衍射成分等进行了分析。
6) Distribution migration
分布区迁移
补充资料：[1,j]-σ-迁移
分子式：
CAS号：
性质：这是一种迁移基团不发生重排的σ-迁移反应。1是指迁移反应发生前，与迁移的σ键保持键合的原子或原子团在共轭链中的位置；j则指发生σ迁移反应后，σ键迁移到共轭链的第j个原子上。例如[1,3]-σ迁移，[1,5]-σ迁移等。[1,j]-σ-迁移反应可以是同面迁移，也可以是异面迁移；而且迁移基团的构型在迁移过程中可以保持，也可以翻转。
CAS号：
性质：这是一种迁移基团不发生重排的σ-迁移反应。1是指迁移反应发生前，与迁移的σ键保持键合的原子或原子团在共轭链中的位置；j则指发生σ迁移反应后，σ键迁移到共轭链的第j个原子上。例如[1,3]-σ迁移，[1,5]-σ迁移等。[1,j]-σ-迁移反应可以是同面迁移，也可以是异面迁移；而且迁移基团的构型在迁移过程中可以保持，也可以翻转。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条