نتایج جستجو برای: Humidity

تعداد نتایج: 25287  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد - دانشکده جغرافیا 1392

the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...

2012
Lutang Wang Nian Fang Zhaoming Huang

Humidity is one of important environmental parameters, which refers to the water vapor content in the air. As one of the fundamental abiotic factors, humidity determines an environment where animals and plants can thrive, also influences the human life. There are three items commonly used to describe humidity, which are absolute humidity (AH), relative humidity (RH) and specific humidity (SH) [...

2013
Hengchang Bi Kuibo Yin Xiao Xie Jing Ji Shu Wan Litao Sun Mauricio Terrones Mildred S. Dresselhaus

Humidity sensors have been extensively used in various fields, and numerous problems are encountered when using humidity sensors, including low sensitivity, long response and recovery times, and narrow humidity detection ranges. Using graphene oxide (G-O) films as humidity sensing materials, we fabricate here a microscale capacitive humidity sensor. Compared with conventional capacitive humidit...

Journal: :JAMA: The Journal of the American Medical Association 1905

Journal: :Critical care medicine 1996
R Williams N Rankin T Smith D Galler P Seakins

OBJECTIVE To review the available literature on the relationship between the humidity and temperature of inspired gas and airway mucosal function. DATA SOURCES International computerized databases and published indices, experts in the field, conference proceedings, bibliographies. STUDY SELECTION/DATA EXTRACTION Two hundred articles/texts on respiratory tract physiology and humidification w...

2008
Masahisa Kubota Hihara Tsutomu

We have developed a new algorithm to estimate the surface air specific humidity over the ocean from AMSR-E data. It should be noted that remarkably reduced random errors of the estimated surface air specific humidity result from using the surface air specific humidity provided by reanalysis data. We validated our new algorithm using independent ship and buoy data. The bias, RMS error, and corre...

Journal: :Chemical & pharmaceutical bulletin 2009
Yingli Wang Xiancheng Zhan Chaoqun Xiang Jia Chen Lan Cao Manzhou Hou Linli Li Chengrong Li

According to thermodynamic principle, the critical relative humidity of electrolytes is closely related to their solubility. The authors explored the relationship theoretically and calculated the critical relative humidity of 21 electrolytes in the light of Raoult's law, modified Debye-Hückel model and extended non-random two liquid (NRTL) model from their solubility. The results indicate that ...

Journal: :Physical chemistry chemical physics : PCCP 2015
Yongchun Liu Chong Han Jinzhu Ma Xiaolei Bao Hong He

In order to obtain reliable kinetic parameters, it is required to measure the reaction kinetics of important heterogeneous reactions at ambient relative humidity (RH). In this study, the uptake coefficients and HONO yields for the heterogeneous reaction of NO2 on kaolin and hematite were measured at RH from 7% to 74% and at ambient pressure in the dark using a coated-wall flow tube reactor. The...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2014
Joshua Russell Andrés G Vidal-Gadea Alex Makay Carolyn Lanam Jonathan T Pierce-Shimomura

All terrestrial animals must find a proper level of moisture to ensure their health and survival. The cellular-molecular basis for sensing humidity is unknown in most animals, however. We used the model nematode Caenorhabditis elegans to uncover a mechanism for sensing humidity. We found that whereas C. elegans showed no obvious preference for humidity levels under standard culture conditions, ...

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