搜索结果: 226-240 共查到“理学 environment”相关记录312条 . 查询时间(0.101 秒)
Evaluation of nitrogen dioxide chemiluminescence monitors in a polluted urban environment
nitrogen dioxide chemiluminescence monitors polluted urban environment
2008/12/10
Data from a recent field campaign in Mexico City are used to evaluate the performance of the EPA Federal Reference Method for monitoring the ambient concentrations of NO2. Measurements of NO2 from st...
In situ photobiology of corals over large depth ranges: A multivariate analysis on the roles of environment, host, and algal symbiont
In situ photobiology of corals over large depth ranges A multivariate analysis on the roles of environment host algal symbiont
2014/4/21
We applied a multivariate analysis to investigate the roles of host and symbiont on the in situ physiological response of genus Madracis holobionts towards light. Across a large depth gradient (5-40 m...
Aerosol optical properties in a rural environment near the mega-city Guangzhou, China: implications for regional air pollution, radiative forcing and remote sensing
aerosol optical properties rural environment Guangzhou
2008/11/18
The scattering and absorption of solar radiation by atmospheric aerosols is a key element of the Earth's radiative energy balance and climate. The optical properties of aerosol particles are, however,...
Basic characteristics of atmospheric particles, trace gases and meteorology in a relatively clean Southern African Savannah environment
atmospheric particles trace gases Southern African Savannah
2008/11/17
We have analyzed one year (July 2006–July 2007) of measurement data from a relatively clean background site located in dry savannah in South Africa. The annual-median trace gas concentrations were equ...
The paper reviews how we can learn from the past about climate-human-environment interactions at the present time, and in the future. It focuses on data sources for environmental change at local/regio...
Climate-human-environment interactions：resolving our past
Climate-human-environment interactions future present time
2008/11/11
The paper reviews how we can learn from the past about climate-human-environment interactions at the present time, and in the future. It focuses on data sources for environmental change at local/regio...
Global isoprene emissions estimated using MEGAN, ECMWF analyses and a detailed canopy environment model
isoprene emissions MEGAN ECMWF detailed canopy environment model
2008/10/31
The global emissions of isoprene are calculated at 0.5° resolution for each year between 1995 and 2006, based on the MEGAN (Model of Emissions of Gases and Aerosols from Nature) version 2 model (Guent...
Determination of Airborne Lead Contamination in Cichorium intybus L. in an Urban Environment
Lead exposure Cichorium intybus urban environment edible wild plants
2010/3/17
The major source of environmental lead (Pb) is the combustion of leaded gasoline. After emission as exhaust, lead in the air falls to earth and contaminates soil and plants. Seventeen wild chicory (Ci...
Assessment of Climate and Environment Changes in China (II): Impacts, adaptation and mitigation of climate and environment changes
impact of climate change advantages and disadvantages adaptation and mitigation China
2008/7/8
Climate and environment changes in China have impacted not only on the nature, but also on aspects of the society, economy and politics. On the basis of the scientific assessment, the advantages and d...
Assessment of Climate and Environment Changes in China (I): Climate and environment changes in China and their projections
climate change environment change future projections China
2008/7/8
In the last 100 years, the global climate and environment have greatly changed, which is characterized mainly by global warming. These changes have exerted prominent impacts on the climate and environ...
Effects of Hot Environment and Dietary Protein Level on Growth Performance and Meat Quality of Broiler Chickens
Hot Environment Dietary Protein Level Performance Meat Quality Broiler
2016/4/28
This study was conducted to determine the effect of hot environment and dietary crude protein level (CP) on performance, carcass characteristics, meat visual quality, muscle chemical composition and m...
The cryptic origins of environment-indicating phantom midges (Chaoborus)
The cryptic origins environment-indicating phantom midges
2014/4/21
Fragile freshwater ecosystems have acted as important sentinels for global environmental change. A detailed understanding of the implications of global change in aquatic ecosystems relies on indicator...
A photosynthetic strategy for coping in a high-light, low-nutrient environment
A photosynthetic strategy in a high-light low-nutrient environment
2014/4/21
Phytoplankton in high-light, low-nutrient ocean environments are challenged with maintaining high photosynthetic efficiency and simultaneously preventing photodamage that results from low levels of el...
Patterns of functional biodiversity and function–environment relationships in lake littoral macroinvertebrates
functional biodiversity function–environment relationships lake littoral macroinvertebrates
2014/4/18
I examined variability in the abundances of functional groups, functional diversity measures, and functional structure of littoral macroinvertebrate communities in relation to the environmental featur...
In situ photobiology of corals over large depth ranges: A multivariate analysis on the roles of environment, host, and algal symbiont
situ photobiology corals over large depth ranges A multivariate analysis environment host algal symbiont
2014/4/18
We applied a multivariate analysis to investigate the roles of host and symbiont on the in situ physiological response of genus Madracisholobionts towards light. Across a large depth gradient (5–40 m)...