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- And the study on application of lead isotope tracing for city environment pollution sources can get a good result. 铅同位素示踪理论应用于城市环境污染源的研究,能够取得比较理想的结果。
- In recent years lead isotope tracing has been playing its unique role in studying the source and migration of heavy metals in soil. 近年来铅同位素示踪在研究土壤中相关重金属来源及其运移途径起到独特的作用。
- LEAD ISOTOPIC TRACING AND ITS FUTURE APPLICATION IN THE MINING ENVIRONMENT ASSESSMENT OF LIAONING PROVINCE 铅同位素示踪技术及其在辽宁省矿业环境评价中的应用前景
- lead isotopic tracing 铅同位素示踪
- Keywords thallium;lead isotope tracing;migration;soil pollution;Yunfu Pyrite mine; 铊;铅同位素示踪;迁移行为;土壤污染;云浮硫铁矿区;
- The isotopic tracing technique is an advanced method in the research of photosynthesis of plants. 摘要同位素示踪技术是进行植物光合作用研究十分有效的手段。
- lead isotope tracing 铅同位素示踪
- The application of 14C, 13C and 32P isotopic tracing in research of photosynthesis of plants was introduced in this artide, and the prospect on the study was also put forward. 综述了14C，13C，32P同位素示踪技术及其在植物光合作用研究中的应用，并对其后续研究进行了展望。
- The direction,velocity and capacity of brine flowing through a well have been measured using lithium isotopic trace and isotopic dilution mass spectrometry. 采用锂同位素示踪技术，对察尔汗首采区采卤过程中晶间卤水的流向、流速和流量进行了测定。
- In this article, the basic principles of stable isotopic tracing technology and the research advancement were expounded.Furthermore, the promising of it and study aspect were primarily introduced. 文中系统阐述了稳定同位素溯源技术的基本原理，在肉类产品中应用的国内外研究进展，并对此技术应用的前景及今后研究的方向作了初步介绍。
- According to the lead isotopic model ages and geologic characteristics of the ore deposits, two main types of Pb-Zn deposits can be classified in SW Yangtze block, i.e., the Mississippi valley type (MVT) and the sedimentary exhalative (SEDEX) type. 综合矿石铅同位素模式年龄和矿床产出的地质特征，初步厘定出扬子地块西南缘存在着两种不同成因类型的铅锌矿床，即MVT型和SEDEX型。
- The studies on constant element, trace element, PEE and lead isotope indicate that the subalkalic intrusive complex body is formed by deep crust-mantle migmatization. 综合岩石和矿床的常量元素、微量元素、稀土元素及铅同位素等特徵，表明偏碱性侵入杂岩体是深部壳幔混合作用形成的；
- Their lead isotopic values are much higher than those of the Archean metamorphic rocks of the Sanggan group in this area, and located between the two lead growth curves of upper mantle and lower crust. 其三组铅同位素比值明显高于本区太古界桑干群变质岩，并位于上地幔和下地壳铅增长线之间。
- The main useful constituents of the deposit are Pb, Zn, Cu, Ag associated with Sn, In, Ga and Cd, etc. Lead isotopic composition of the ore is different from those of the ore hosted Hercynian granite and the Yanshaniangranite outside the ore region. 矿床主要有用组分为Pb、Zn、Cu、Ag,含Sn富In、Ga、Cd等分散元素,为一典型的多元素共生的多金属矿床。
- The characteristics of sulfur isotopic and lead isotopic composition show that the gold deposits in this area are derived from the mantle and deep crust and are related to Mesozoic magmatism. 硫同位素和铅同位素成分显示,金来源于地幔和下地壳,与中生代的岩浆作用有关。
- On the basis of the composition analyses for 80 samples of bronze drums and some samples of ore, these tests detemine the lead isotopic of the samples, to obtain test data for deep research. 摘要在对越南80个铜鼓样品和相关铜器以及若干矿样进行成份分析的基础上，对样品进行了铅同位素测定，得出了一批可供进一步研究的实验数据。
- Stable isotopic traceability technique has been successfully applied in some food areas, and studies in the meat product increased recently. 稳定同位素溯源技术过去已在食品生产的某些领域得到成功应用，近年来在肉制品中的研究增多。
- This approach underpins much of my research on energy and nutrient flux, and has involved both natural abundance and enriched isotope tracing techniques. 该方法巩固了对于我在能量和营养流的研究，并结合了自然丰度和浓缩同位素跟踪技法。
- The effect of moisture conditioning treatment parameters of brown rice on the water absorption rate of polished rice was studied based on isotope tracing. 该研究以糙米为原料,应用同位素示踪技术研究糙米加湿调质各工艺参数对精米吸水率的影响规律。
- The stable variation of lead isotope compositions suggests that it belongs to normal lead. 铅同位素组成变化不大,属正常铅。
