物质迁移

在河流环境规划和管理中，经常采用一维的物质迁移模型。

For environmental planning and management in river watershed , one-dimensional mass transport model is often used .

为研究坡地物质迁移的重要过程，通过室内人工降雨模拟试验，研究不同透水状况坡地土壤侵蚀和养分流失的过程与机制。

To study mass transport from slope land , the process and mechanism of soil erosion and nutrient loss on the slope land under different drainage conditions were investigated by simulating rainfall .

底部边界层颗粒态物质迁移特征的放射性核素分析方法

Radioisotope as tracers for particulate matter transportation in the boundary layer

降低建筑膜材小分子物质迁移性的研究

Research on reducing the migration problem of the small molecular materials

农田生态系统中的物质迁移研究进展

Advance in research on matter transfer in ecosystem of farmland

南洞庭湖污染物质迁移扩散与混合规律的研究

Mixing and dispersion of pollutants in South Dongting Lake

塑料瓶中芳香胺物质迁移行为的研究

Migration Behavior of Aromatic Amine in Plastic Bottle

食品接触材料中双酚类物质迁移检测方法研究

Determination of Bisphenol-type Contaminants from Food Contacting Materials

3矿物的晶内扩散是了解变质过程中物质迁移规律的新手段；

Intracrystalline diffusion is a new way of understanding the roles of mass transfer in metamorphism ;

含熔体差应力状态下中下地壳岩石的变形结构与物质迁移

The Deformation Structure and Component Migration of Middle-Lower Crustal Rocks in Differential Stresses State with Melt

这种流体运移以其积极参与构造形成和成矿物质迁移为特征。

The flows are characterized by active participation in structure formation and mass transfer of ore material .

3种土类的酸性淋溶过程和物质迁移过程顺序为：暗棕壤＞棕壤＞草甸土；

In regards to the acid leaching and substance migration dark burozem > burozem > meadow soil ;

胶东望儿山金矿床成矿过程中物质迁移研究

Study on mass transfer in the process of mineralization of Wang Er Shan Gold Deposit , East shandong

厦门湾潮、余流及其对泥沙、污染物质迁移的影响

Tidal and residual currents in the Xiamen Bay and their effects on the movement of silt and polluting substances

常压下页岩与水基泥浆之间的物质迁移中主要以流动和扩散方式进行。

The main patterns of substance transport between shale and water based mud under low pressure are flow and diffusion .

本文采用二维水质数学模型，研究南洞庭湖污染物质迁移扩散与混合的运动规律。

Mixing and dispersion of pollutants in South Dongting Lake was studied with a two-dimensional mathematical model for water quality .

结果表明：针阔混交林林地土壤酸性淋溶过程及物质迁移过程比青林地土壤弱；

The acid leaching and substance migrating in soil of the mixed forest were slighter than those of the pure forest ;

沉积物污染、沉积物-水界面物质迁移转化等一直是国际环境科学领域中的热门课题，在评价沉积物对水生生态系统和人类利用这些资源的潜在危害性时，对沉积物再悬浮作用的研究尤为重要。

Researches on the pollution of tidal sediment , transferring and transformation of nutrients between sediment-water interface are hotspots of environmental science .

本研究丰富了土壤水土界面物质迁移规律，对水库的环境影响提供新的认识，并进一步了解三峡库区土壤环境质量演变过程。

This research increased the knowledge of nutrient transport and fate process at water-soil interface and that of environmental influence of reservoirs .

以横断秦岭-黄淮平原交界带中部的土壤断面为研究对象，应用土壤地球化学观点，讨论了交界带土壤物质迁移和积累规律。

The studied object in this paper is the soil section from west to east that acrosses the middle juncture of Qinling-Huanghuai .

火山岩系列和成因类型的系统变化，反映了多旋回壳幔物质迁移特证。

The systematic changes of the igneous rock series and the genesis types have reflected polycyclic transference features of the crust and mantle materials .

由于草甸发育，颗粒物质迁移受到抑止，水系碎屑沉积物仅出现在2~3级水系。因此，在普查阶段可能会漏掉许多矿化信息；

Stream detrital sediments appear only in Grade 2 ~ 3 drainage , and hence much mineralization information might be lost at the reconnaissance stage ;

建立了损伤愈合过程中的物质迁移模型，并利用原位观察方法获取了裂纹型损伤愈合的完整过程。

The matter migration model during the damage healing is established and the full process of crack healing is obtained by in situ observation using SEM .

研究了掺碳碳化硼烧结动力学，得出其物质迁移机制主要为晶界扩散。

The activated sintering kinetics of boron carbide with carbon as activator were also researched , the results showed that the main transport mechanism was grain boundary diffusion .

农业开发引起的微观环境效应在于改变土壤水分及其运动状况、加速土壤物质迁移及降低土壤肥力质量；

Microcosmic eco_environmental efficiencies caused by agricultural developing are to change soil water and its movement state , to accelerate remove speed of soil matter and to lower the quality of soil fertility etc.

本文的研究对预测预报农药类化学物质迁移归宿、评价环境质量、合理使用农药以及环境污染的治理与控制等具有重要的理论意义和现实意义。

The research in this paper has theoretical and practical significance to predict the transport and transformation law of pesticide chemical pollutants , evaluate environmental quality , use pesticide properly and control environmental pollution .

土壤水分是气象、水文、农业研究中的关键变量，它影响地表能量通量、水文循环、辐射平衡、物质迁移等。

It is the key variable to soil moisture in meteorological , hydrological , agricultural research . Soil moisture affects the surface energy fluxes , hydrological cycle , radiation balance , migration and so on .

河西&祁连地区的垂直力源的局部性和短暂性的根源在于形成力源的地壳深部物质迁移的局部性和短暂性。

The source of the vertical force of Hexi-Qilian area in some areas and in a short duration due to the material migration of deep crust who is in some areas and in a short duration .

作者认为，导致深&浅源气体异常变化有序发生的原因与气体物质迁移进入流体的先后顺序有关。

The author considers that the ordinal characteristics of the precursory anomalous changes of deep-seated and shallow origin gases before earthquakes is correlated with the early or late order in which the gase migrated into the ground fluid .

长期以来，在铀源分析的过程中人们往往把目光盯在汇区，缺少区域成矿物质迁移过程和历史演化的分析，并以汇区各种测试数据推断成矿物质来源。

For long time , analysis of uranium source was focused on accumulation without analysis of migration process and historic evolution of regional metallogenic substance . Various test and measurement data from " accumulation " are induce source of metallogenic substances .