Determination of bankfull discharge magnitude and frequency: comparison of methods on 16 gravel-bed river reaches

2006 ◽  
Vol 31 (11) ◽  
pp. 1345-1363 ◽  
Author(s):  
O. Navratil ◽  
M-B. Albert ◽  
E. Hérouin ◽  
J-M. Gresillon
Keyword(s):  
Comparison Of Methods ◽  
Gravel Bed ◽  
Bankfull Discharge ◽  
Frequency Comparison ◽  
Gravel Bed River

MONITORING UNSTEADY STREAMFLOW-STAGE HYSTERESIS BEHAVIOR OF A GRAVEL-BED RIVER

2018 ◽  
Vol 74 (4) ◽  
pp. I_313-I_318
Author(s):  
Mohamad Basel AL SAWAF ◽  
Kiyosi KAWANISI ◽  
Mochammad Meddy DANIAL
Keyword(s):  
Hysteresis Behavior ◽  
Gravel Bed ◽  
Gravel Bed River

scholarly journals Estimates of resource transfer via winged adult insects from the hyporheic zone in a gravel‐bed river

2021 ◽  
Author(s):  
Mirza A. T. M. Tanvir Rahman ◽  
Junjiro N. Negishi ◽  
Takumi Akasaka ◽  
Futoshi Nakamura
Keyword(s):  
Hyporheic Zone ◽  
Resource Transfer ◽  
Gravel Bed ◽  
Gravel Bed River

Comparison of Methods for Determining Biuret in Urea

1979 ◽  
Vol 62 (1) ◽  
pp. 153-159
Author(s):  
Luis F Corominas ◽  
Victor M Boy ◽  
Manuel Guijosa
Keyword(s):  
Atomic Absorption ◽  
Spectrophotometric Determination ◽  
Atomic Absorption Spectrophotometry ◽  
International Organization ◽  
Comparison Of Methods ◽  
Definite Advantage ◽  
Absorption Spectrophotometry ◽  
Alternative Procedures ◽  
Aoac Method

Abstract The official first action AOAC method for the spectrophotometric determination of biuret in urea, 2.072—2.074, was compared with official first action AOAC method 2.C01-2.C03 (atomic absorption spectrophotometry), 2 simplified versions of 2.072-2.074, and modified versions of 2 alternative procedures of the International Organization for Standardization. Three synthetic urea samples (0.3, 1.4, and 3.0% biuret) and 1 commercial urea sample (1.0% biuret) were analyzed. The methods proved to be equivalent and none showed a definite advantage over 2.072-2.074. The purification of biuret and the interference by ammonia are also discussed.

scholarly journals STUDY ON THE EXCESSIVE GROWTH OF REVERINE TREES IN GRAVEL-BED RIVER

1999 ◽  
Vol 43 ◽  
pp. 971-976 ◽  
Author(s):  
Yoshihiko SHIMIZU ◽  
Shigeki KOBATAKE ◽  
Takayuki ARAFUNE ◽  
Satoshi OKADA
Keyword(s):  
Gravel Bed ◽  
Gravel Bed River
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