نتایج جستجو برای: gravimetric method

تعداد نتایج: 1632378  

Journal: :Plant phenome journal 2023

The water-limited potential yield of wheat (Triticum aestivum L.) may be largely dependent on plant transpiration behavior. Research into dynamics is limited due to the difficulty monitoring water use over an extended period time. advent fully automated gravimetric platforms makes this research possible. methods for using equipment study in water-deficit environments are not well established. o...

2001

Several methods for checking the purity of nicotine used to calibrate analytical methods have been suggested since the 1920's. At that time the gravimetric method using picric acid was considered the most specific method while that employing tungstosilicic acid was considered most sensitive. However, neither method could be considered completely specific. Since the 1960's, the most commonly use...

2009
Hoyt Koepke Marina Meila

In recent work [1], we introduced a new, linear-programming based method, for detecting underground features based on gravity measurements. The current paper takes this method one important step further, in that it makes it work under realistic conditions, where most of the physical characteristics of the environment are not known. In particular, the ADCS algorithm we introduce works when the f...

Journal: :Journal of Applied Polymer Science 1960

2010
R. Klees

We propose a methodology for the combination of a gravimetric (quasi-) geoid with GNSS-levelling data in the presence of noise with correlations and/or spatially varying noise variances. It comprises two steps: first, a gravimetric (quasi-) geoid is computed using the available gravity data, which, in a second step, is improved using ellipsoidal heights at benchmarks provided by GNSS once they ...

2012
L. E. Sjöberg

Li andWang recently comparedgeoiddeterminationbyvariousgravimetricmethods formodifyingStokes' formula vs. usingGPS/levelling geoid heights as a reference model. Possible large systematic errors in the differences of gravimetric and GPS/levelling geoid models deteriorate the results and conclusions. Moreover, spectral combination, the only stochastic method in the study, was applied in an unreal...

2013
B. TIWARI SUDHA SHARMA Sudha Sharma

The co–polymer (Poly-ClBN) of 1, 2 Di-ChloroBenzene and Naphthalene has been synthesised. The copolymer (Poly-ClBN) has been characterised by X Ray Diffraction (XRD) and UV spectroscopic method. Thermo Gravimetric analysis (DTA, DTG and TG) has been used for analysis of thermal stability of the copolymer.

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