Measurements of atmospheric N<sub>2</sub>O concentration and its emission fluxes from so

来源 :中国科学:化学英文版 | 被引量 : 0次 | 上传用户:firexuan1983
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Air samples in China were collected and determined for the concentration of N<sub>2</sub>O.The production rates of N<sub>2</sub>O from agricultural soils were measured with the chamber method.The results in-dicate that the backgrou
其他文献
The magnetic minerals of paleosol unit S8 and loess unit L8 in Weman section have been studied. The experiments show that the remanent magnetization of Chinese
The acid-unfolded state(U_A)of staphylococcal nuclease(SNase)can fold into a state(Astate)in acidic solution of high NaCl concentration,that is,U_A→A.The trans
The problem on the Chandler period is an unsolved one. Several authors suggested a hypothesis that the Chandler wobble is only one free period which slightly ch
670-bp hIL-6 cDNA fragments have been amplified by polymerase chain reaction(PCR)using recombinant plasmid pBMIL-6A as templates and two synthetic oligonucleoti
The contents of zinc, copper, lead and cadmium were measured in the dominant species (plants: Scripus triquetor and Phrgrmites australis, macrobenthos: llyoplax
The Permo-Triassic boundary in Wulong area, Sichuan Province, South China lies in a continuous marine carbonate succession with abundant fossil records. Two wel
In the present paper, scattering probabilities and rate constants of different channels for the H + BrCH<sub>3</sub> reaction system have been calculated by mea
Take the Leiqiong tropical area for example, the main factors affecting the stability of various weathered crusts are discussed on the basis of a detailed observation of profiles, chemical analyses, p
The information transmission among various parts of the cortex are computed with the the-ory of mutual information from the data of the electroencephalogram(EEG
Archaeolithoporella is one of the most important Permian reef-building organisms, but itsaffinity has long been controversial. It was first reported in Japan an