valence state是什么意思

用法例句

A Study of Chromium Valence States and Their Distribution Characters in Soil of Huangpu Port;

广东省黄埔港土壤中铬的价态分析研究

The inorganic As of different valence states in surface waters can be determined when atomic fluorescence is adopted through hydride, and it is high sensitivity, good precision and suitable to analyze the arsenic of different valence state of large amount of surface water sampling.

陆地水中溶解态砷的含量通常在以下,常以砷(三价)、砷(五价)两种价态形式存在,其化合物均有毒性,三价化合物比五价化合物毒性强,多以砷酸盐状态存在。

Through the test on the element valence state and absorption spectrum of some samples with XPS and ultraviolet visible complementary filter,it is found that the color of orange yellow after Fe ion is implanted is caused by d-track level splitting,and the color of blue after Ti ion is implanted is to be caused by the charge .

改变后期的不同热处理条件,获得了橙黄色和蓝色蓝宝石,通过XPS、紫外可见分光光度计对部分样品的元素价态、吸收谱进行了测试发现:Fe离子注入呈现橙黄色,是d轨道能级分裂所致;单独注入Ti离子呈现蓝色,认为是色心或金属与非金属之间电荷转移所致。

The application and calculation of the valence covalent radius and the electronegativity of the new valences in the transition elements(Ⅳ);

过渡元素价态共价半径及其新价态电负性的计算和应用(Ⅳ)

Valences of rare earth ions in long afterglow phosphors;

Eu,Dy共掺杂长余辉发光材料中稀土离子价态的研究

The Toxicity of Different Valence Chromium And Effect on Human Body;

不同价态铬的毒性及其对人体影响

The division of iron s core and valence states under high pressures via first-principles calculation;

Fe在高压下第一性原理计算的芯态与价态划分

A Study of the Landscape ecological evaluation in Longmen County,Guangdong Province;

景观生态评价研究——以广东省龙门县为例

Research on ecological evaluation method in environment impact evaluation of hydropower project;

水电工程环境影响评价中生态评价方法研究

Ecological evaluation on typical wetlands in Jilin Province;

吉林省典型湿地生态评价

Researches on ecological value and protection of ecological environment of Qinghai Lake;

青海湖生态价值与生态环境保护研究

Profit and loss analysis on ecological value in upper reaches of Tarim River under land use changes;

塔里木河上游土地利用变化中的生态价值损益分析

Application of ecological value evaluation method in environmental assessment of hydropower development;

生态价值评估方法在水电开发环境评价中的应用研究

Based on the judgment of the phases of industrialization and the characteristics of industrial structure of Shandong Province, according to the relationship among economic benefit, environmental capacity and resources support, the paper set up the model of ecological appraisal of industrial structure.

产业结构的生态评价和循环经济模式构建是实施区域可持续发展的重要途径。

Application of Landscape Ecological Assessment to Plan Environmental Impact Assessment

景观生态评价法在规划环评中的应用

Comparative Analysis of Static and Dynamic Evaluation of Ecological Frangibility

生态环境脆弱性静态评价与动态评价

Research on Ecological Resources Evaluation &Ecological Planning of Scenic Spot;

风景区生态资源评价与生态规划研究

Ecosystem Services, Ecological Security and Ecological Risk Assessment;

生态服务功能、生态安全和风险评价

Ecological Environment Quality Appraisal and Ecological Planning of Baoding;

保定市生态环境质量评价及生态规划

Evaluation of Rural Land Ecological Carrying Capacity Based on The Ecosystem Health;

基于生态健康的农地生态承载力评价

Assessment of ecological safety of Xuzhou City

基于生态足迹的徐州市生态安全评价

Eco-sensitivity Evaluation in the Ecological City Planning of Meishan City

眉山市生态市规划中生态敏感性评价

Economic Valuation of Environment Benefit;

区域生态环境经济价值评估方法述评

The Valuation and Its Dynamic Modelling of the Grassland Ecosystems;

草地生态系统价值评估及其动态模拟

Dynamic Monitoring and Evaluation of Eco-environment Based on Romote Sensing Technology in Beijing;

北京市生态环境遥感动态监测与评价

LUCC and Dynamic Evaluation of Ecology Security in Weinan City;

渭南市LUCC与生态安全动态评价

Evaluation and Analysis of Enterprise Eco-Industrialization Based on Dynamic Indicators;

企业生态化的动态评价指标及其分析

Dynamic analysis of the ecological restoration service value in Xiaoliang Towership of Dianbai County,Guangdong Province of southern China

广东小良生态恢复服务价值动态评估

Appraisal of service function value of Hainan Island water ecosystem

海南岛水生态系统服务功能价值评价

Evaluation of the Ecosystem Services of the Xilinguole Steppe;

锡林郭勒草原生态系统服务价值评价

Evaluation of economic value of river ecosystem service functions in China;

河流生态系统服务功能经济价值评价

The Research Progress of Wetland Ecological Service Function Evaluation;

湿地生态服务功能价值评价研究进展