نتایج جستجو برای: moisture measurement

تعداد نتایج: 478666  

2005
Hongjie Xie Xianwei Wang

Soil moisture is critical parameters in climatic and hydrological modeling and vegetation growth. Ground-based point measurement of soil moisture is liable but expensive and impractical for watershed measurement. Remote sensing measurement has provided thriving perspective for spatial and instantaneous measurement of soil moisture. Microwave measurement is effective and successful for surface s...

Journal: :journal of agricultural science and technology 2010
a. afzal s. f. mousavi m. khadem

water is one of the most vital constituents in plants. in this research, for an estimation of leaf moisture content, the variation of capacitance was employed. the variations were measured via designed and manufactured capacitive sensors. the objective of the research was to estimate leaf moisture content by measuring its capacitance for five agronomic crops. experiments for measuring leaf capa...

2012

LIBS is traditionally an atomic emission spectroscopy involving sampling, atomization and excitation of a sample by laser ablation. The radiative cooling of the created plasma is spectrally analyzed to provide the elemental composition of a sample of interest. In 1962, two years after the invention of the laser, Jarrell Ash Co. developed the Laser Microprobe that revolutionized the elemental mi...

2011
Liu Yang Yongjun Zheng Zhijie Jiang Zhijun Ren

Moisture is one of the most important factors affecting grain quality in storage. The grain must be dried as soon as possible after harvesting to lower moisture to a standard level. It is difficult to obtain satisfactory measurement effect on precision in capacitive grain’s moisture measurement due to many influencing factors, such as temperature, species and weight. The data confusion method o...

2016
Han-Lin Zhang Qin Ma Li-Feng Fan Peng-fei Zhao Jian-Xu Wang Xiao-Dong Zhang De-Hai Zhu Lan Huang Dongjie Zhao Zhong-Yi Wang

Moisture content is an important factor in corn breeding and cultivation. A corn breed with low moisture at harvest is beneficial for mechanical operations, reduces drying and storage costs after harvesting and, thus, reduces energy consumption. Nondestructive measurement of kernel moisture in an intact corn ear allows us to select corn varieties with seeds that have high dehydration speeds in ...

Journal: :مدیریت آب و آبیاری 0
جواد رحمانی ثقیه کارشناس ارشد، گروه مهندسی آب، دانشکدۀ کشاورزی، دانشگاه شیراز، شیراز – ایران. علی قائمی دانشیار، گروه مهندسی آب، دانشکدۀ کشاورزی، دانشگاه شیراز، شیراز - ایران

the accuracy and effectiveness of precision agriculture is highly depending on accuracy and time analysis of the soil moisture conditions. monitoring of the soil water status is a proper method for optimizing the agricultural irrigation. automation irrigation, based on soil moisture measurement by smart sensors has the potential to provide maximum water use efficiency by maintaining soil moistu...

2008

A basic aspect of product quality is the moisture content of the material. For optimization of energy consumption and ecological digestibility of the production process in many cases the knowledge of the water content of the product is essential Only a fast and accurate moisture measurement system for on-line or laboratory application realizes a constantly high product quality using lowest expe...

Journal: :JCP 2013
Hongxia Zhang Wei Liu Boxue Tan Wenling Lu

Corn moisture content is the main factor of effecting corn safe transportation and storage, and is also an indispensable measurement part when it is used to feed, food and industry. Due to large particle size, corn will produce large gap during measuring moisture content. Because air has much influence on dielectric constant of the device, moisture content is not precision. In all kinds of corn...

2014
M Mohamad A R MSabbri M Z MatJafri

Near infrared (NIR) spectroscopy technique serves as an important tool for the measurement of moisture content of skin owing to the advantages it has over the other techniques. The purpose of the study is to develop a correlation between NIR spectrometer with electrical conventional techniques for skin moisture measurement. A non-invasive measurement of moisture content of skin was performed on...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید