Trace Chemistry& A Newly Developing Branch of Chemistry 痕量化学&一门正在形成中的新学科
N_2O is the most important trace gas, that greatly influences atmosphere chemistry and greenhouse effect. N2O是一种痕量气体,对大气化学和温室效应具有重要影响。
REE and other trace element chemistry of CAS in Qingzhen chondrite ( eh3) and their origin implications 清镇陨石(EH3)中陨硫钙石的REE微量元素及成因意义
N2O and CH4 are important atmospheric trace gases, which play significant roles in the global warming and atmospheric chemistry. 氧化亚氮、甲烷是大气中重要的微量气体,对全球变暖和大气化学有重要作用。
The introduction of ion-imprinted polymers(ⅱ P) in trace and ultratrace analysis provides vital breakthroughs in pre-concentration or separation chemistry. 在痕量和超痕量分析中采用分子(离子)印迹聚合物技术,使得化学分离和预富集技术获得重大突破。
Furthermore, trace element and relevant physics and chemistry index of growth sheep had improved at different degree. 而且添加补充料后生长羊血液中的微量元素及其相关理化指标有不同程度的改善。
Further study on the relation between trace element and life function should be one of most important field for the development of cetacean nutritional chemistry and ecological toxicology. 更深入地研究各组织、器官中微量元素与生命机能的关系,应该是鲸类动物微量元素的营养化学和生态毒理学发展的重要方向之一。
Study on reaction mechanisms of trace elements during process of coal combustion based on quantum chemistry and advancement thereof 基于量子化学的燃煤过程痕量元素反应机理研究及其进展
The correlation between the distribution of nitrite and trace elements in the water and the incidence of the cancer is studied from the view of environmental geography and environmental chemistry in the paper. 从环境地理学和环境化学的角度出发,研究了饮用水中亚硝酸盐以及微量元素的分布与癌症发病率的关系。
Determination of Trace Gold by Chemistry Spectroscopy after Foam Plastics Adsorption 泡塑吸附化学光谱法测定痕量金的探讨
This paper introduces the solid phase extraction technology, and put forward an idea of enrichment of the trace metal ions in environmental water samples with stationary phase complexing method based on the theory of coordination chemistry. 本文旨在介绍SPE技术,并从配合物基本理论出发,首次提出固定相络合法富集环境水样中微量金属离子的思路。
The chemical behavior of trace elements in biotic process of human body on the basis of coordination chemistry theory was discussed. 从配位化学的角度,论述了微量元素在人体生命过程中的化学行为。
Urbanization has caused a large amount of emissions of trace gaseous pollutants, aerosols and ozone precursors, inducing the disturbance in regional atmospheric chemistry circulation. 城市化已引起大量痕量气态污染物、气溶胶以及臭氧前体物的人为排放,从而引起区域大气化学循环的扰动变化。
Distribution of a Microcomponent between the Solid Phase and the Solution in the Course of Coprecipitation ( Trace Chemistry, Part ⅱ) 共沉淀过程中微量组分在固相和溶液间的分配(痕量化学之二)
Trace element geochemistry and mineral chemistry studies on the metamorphosed harzburgite indicate that it is the relict of the depleted mantle. 变质方辉橄榄岩的微量元素地球化学及矿物化学特征表明,应为亏损的残余地幔产物。
Minerals a and B in enstatite meteorites and their trace element chemistry 顽辉石陨石中A、B矿的微量元素化学意义
Trace Elements and Life Science in College Chemistry Teaching Program 化学教学中的生命科学知识及微量元素
The accurate determination of trace element in geological, biological and environmental samples is an important and challenging task in analytical chemistry; 准确测定地质、生物和环境样品中的痕量元素是分析化学中一项十分重要并具有挑战性的工作;
Ion of some trace elements in Antarctic and Arctic snow, ice and water based upon water vapor chemistry techniques 南、北极雪、冰、水中的痕量元素离子与水汽化学
Previous studies on granitoids in the Dabie orogen mainly focused on the North Dabie Zone. In this study, a systematic study on the geochronology, major and trace elemental chemistry, and radiogenic isotope composition of granitoids from other units of the Dabie orogen was conducted. 前人关于花岗岩类的研究主要集中于北大别,本文系统地研究了其他构造单元花岗岩类的年代学,主、微量元素和放射成因同位素地球化学。
Trace back and recollect the researches on chemistry teachers 'research since the liberation of China. 对建国以来化学教师研究进行了追溯和反思。
For the features of its efficient, fast, and trace quantity, capillary electrophoresis is becoming to the fastest growing areas of analytical chemistry. 毛细管电泳由于具有高效、快速、微量的特点,使其成为分析化学20世纪以来发展最快的研究领域之一。