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Article
An experimental study on absorption properties of NO, NO2, NH3, CO2 and H2O by using line-tunable co laser
Measurements of absorption properties of some gases in the atmosphere were made by using CO line-tunable laser. Experimental equipment and method are briefly described. Absorption coefficients of NO, NO2, NH3, CO
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Chapter and Conference Paper
Determination of Trace Gas Concentration in the Atmosphere by Using an Infrared Laser
Absorption coefficients of many species at some CO and CO2 laser lines were obtained from spectral tansmittances which are measured by using the ratio of the measuring and controlling beams. Based on the obtained...
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Article
A study on NO and NO2 absorption properties by using line-tunable CO laser
The absorption properties of NO in 5.2 μm band and NO2 in 6.2 μm band are measured for some definite wavelengths by using line-tunable CO laser and long-path absorption cell. The absorption coefficients for 49 CO...
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Chapter
Ethnic Harmony and Conflicts in Central Asia: Origins and Policies
In ethnic terms, Central Asia constitutes a maze. Both during Czarist times and under Soviet rule, Central Asia was full of sharp ethnic contradictions. Frequent ethnic conflicts and struggles of ethnic minori...
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Article
CO2 background concentration in the atmosphere over the Chinese mainland
Based on the long-term monitoring data on CO2 concentration, variation trend and characteristics of CO2 background concentration in the atmosphere over the Chinese mainland are analyzed. Results show that the inc...
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Article
Establishing a ultraviolet radiation observational network and enhancing the study on ultraviolet radiation
On the basis of analyzing observational data on solar radiation, meteorological parameters, and total ozone amount for the period of January 1990 to December 1991 in the Bei**g area, an empirical calculation ...
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Article
Ultraviolet radiation in overcast sky at the surface
Based on the analysis of one year of observation data of solar radiation at the ground in Bei**g in 1990, a simple empirical formula for calculating UV radiation in overcast sky is established. The formula isQuv
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Article
Experimental study on soil respiration of temperate grassland in China
Experimental study on soil respiration of typical temperate grassland in Inner Mongolia was conducted in the period of 1998 –2000. Closed chamber and GC/FID techniques were used for measurements of soil and pl...
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Article
Size distribution and element composition of dust aerosol in Chinese Otindag Sandland
Part physical and chemical characteristics of dust aerosol were determined for samples collected from Otindag Sandland of China in spring, 2001. Number concentration, mass concentration, chemical element conce...
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Article
Black carbon particles in the urban atmosphere in Bei**g
A study of the concentration of black carbon particles and its variation in the urban atmosphere has been carried out since 1996 in the Bei**g area. The measurements were done in the late autumn and early win...
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Article
Ozone mini-hole occurring over the Tibetan Plateau in December 2003
By analyzing the total ozone data from TOMS and ground-based observations, it is found that a large area with extremely low ozone occurred over the Tibetan Plateau during December 14–17, 2003. After correcting...
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Article
A kinetic study of the reaction of ozone with ethylene in a smog chamber under atmospheric conditions
Ozone is one of the key species in the processes of atmospheric chemistry, which can be taken as an indicator of oxidation capacity in the troposphere. The reaction of ozone with reactive gases is an important...
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Article
Analysis of application patterns of Z-type MEMS microspring
In this paper, we design a Z-type microspring, which consists of several “Z” type micromechanical beams within mutual connection. With good mechanical performance and mature LIGA fabrication technology, Ni is ...
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Article
In situ FT-IR spectroscopy study on the conformational changes of quenched isotactic polypropylene during stepwise heating
The conformational changes of quenched isotactic polypropylene (iPP) during stepwise heating have been carefully studied by in situ Fourier-transform infrared (FT-IR) spectroscopy. Analysis of the correspondin...
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Article
Studying the pollution of Moscow and Bei**g atmospheres with carbon monoxide and aerosol
The measurements of submicron aerosol and black carbon (BC) surface concentrations, and carbon monoxide (CO) total column in 1992–2012 in Bei**g and Moscow are illustrated. The specific features in the long-t...
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Article
A self-powered power conditioning circuit for battery-free energy scavenging applications
A controllable power conditioning circuit is proposed for battery-free energy harvesting applications. The circuit is designed for piezoelectric energy harvester applications and it has only 11 transistors an...
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Chapter and Conference Paper
Moon Landing or Safari? A Study of Systematic Errors and Their Causes in Geographic Linked Data
While the adoption of Linked Data technologies has grown dramatically over the past few years, it has not come without its own set of growing challenges. The triplification of domain data into Linked Data has ...
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Article
Long-term variability of air pollution with black carbon in the region of Bei**g in autumn periods
Results of measurements of the black carbon and fine aerosol content in Bei**g and in a background region 150 km to the northeast of the capital of China are analyzed. The measurements have been carried out f...
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Chapter and Conference Paper
GNIS-LD: Serving and Visualizing the Geographic Names Information System Gazetteer as Linked Data
In this dataset description paper we introduce the GNIS-LD, an authoritative and public domain Linked Dataset derived from the Geographic Names Information System (GNIS) which was developed by the U.S. Geologi...
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Chapter and Conference Paper
Support and Centrality: Learning Weights for Knowledge Graph Embedding Models
Computing knowledge graph (KG) embeddings is a technique to learn distributional representations for components of a knowledge graph while preserving structural information. The learned embeddings can be used ...
