scholarly journals BIOTECHNOLOGICAL METHODS OF PROCESSING FOREST COMPLEX WASTE

Author(s):  
Larisa Bryndina ◽  
Ol'ga Baklanova

The intensive development of agriculture in the Voronezh Region has led to serious negative changes in the soil condition. There was a decrease in the content of humus and mineral substances. More than 350 thousand hectares of the region’s soils have a low content of humus and, as a result, organic matter (s) available for decomposition. Among the methods of soil restoration, soil improvers are gaining popularity. These are, as a rule, compost, various organic fillers, bio-coal. The latter are considered promising meliorants of natural origin. The processing of waste from the timber industry and sewage sludge into bio-coal is proposed. Its influence on the water permeability of leached chernozem is studied. The positive effect of biochar on the filtration properties of the soil has been established. The filtration rate after applying the biochar increased by 2.5-4 times compared to the control. The maximum water permeability was observed at a biochar concentration of 20 -30% to the soil mass. It is established that the amount of moisture that has passed through the soil depends on the dose of the introduced biochar. The addition of biochar in the amount of 5, 10, 20 and 30% led to a significant increase in the filtration qualities of the soil, compared with the control. The tendency of the ability of biochar to improve the water-physical properties of the soil is revealed.

2018 ◽  
Vol 4 (1) ◽  
pp. 13
Author(s):  
Mukhsin Abubakar

Roots played important role in the process of stabilizing the soil mass. The geo-mechanical and soil-hydrological aspects on the slope are determined by, one of it, the root reinforcement. The role of root branching series with diameter differentiation is greatly determining its tensile stress. The tensile stress from the interaction between the root and the soil, could it contribute to increasing the shear strength of the slope stability. The purpose of this research was to identify the tensile stress on root branching series that interacted with the soil and created additional cohesion as a shear strength contribution to the slope stability. Testing on the root pulling force was conducted on slope prototype with angle 30o to 40o and has been planted with tea vegetation. A tripod that was completed with strain gauge as the recording instrument was used. Testing was conducted on two and three root branching, also on each unit by observing the diameter. This testing method was done in saturated soil condition. The tensile stress result showed that increasing diameter of the tea root, an increase was noticed, and also result in the equation of TFr = 0.089e0.516d. Root diameter increase on two and three root branching to one unit of tea vegetation showed that the stress increase was significant. When observed, in the root diameter differentiation of 4 mm to 6 mm, the stress on two and three root branching and one unit of tea vegetation were respectively 5.94%, 12.30%, and 35.42%. The contribution of additional cohesion caused by root-soil interaction to soil shear strength apparently could increase slope stability.


2014 ◽  
Vol 67 (4) ◽  
Author(s):  
A. N. Sadikin ◽  
M. G. M. Nawawi ◽  
N. Othman

Water permeability is often used in characterization of the filter media. This paper focuses on the evaluating the effects of the process parameters and design parameters on the permeability of filter media as an output and considered as a response and the prediction of the optimal combination of synthesis parameters with an objective of maximizing the permeability. For this purpose, the Taguchi experimental design technique, analysis of varians (ANOVA), and signal-to noise (S/N) ratio were used. In this study, only eight filter configurations of Taguchi’s L8 orthogonal design were fabricated and tested. As a result from these experiments, the filter configuration satisfying the maximum water permeability value was determined, which show that statistical analysis is a useful method to quantify filter permeability objectively.


MAUSAM ◽  
2021 ◽  
Vol 49 (4) ◽  
pp. 503-506
Author(s):  
H. P. DAS ◽  
A. D. PUJARI ◽  
A. CHOWDHURY

In the present study, data for four stations viz., Banswara, Bhopal, Parbhani and Rahuri for the years from 1990 to 1993 have been utilized to understand various aspects of evapotranspiration of the soybean crop. An attempt has also been made to find out the impact of rainfall and crop duration at different phases on the seed yield.   The yield was found to be significantly correlated with the rainfall during vegetative phase. Crop growth duration exert positive effect on the soybean yield and that a longer flowering period is favourable for higher yields.   The results also indicate that the soybean crop consume maximum water during the vegetative stage.


2016 ◽  
Vol 86 (3-4) ◽  
pp. 127-151 ◽  
Author(s):  
Zeshan Ali ◽  
Zhenbin Wang ◽  
Rai Muhammad Amir ◽  
Shoaib Younas ◽  
Asif Wali ◽  
...  

While the use of vinegar to fi ght against infections and other crucial conditions dates back to Hippocrates, recent research has found that vinegar consumption has a positive effect on biomarkers for diabetes, cancer, and heart diseases. Different types of vinegar have been used in the world during different time periods. Vinegar is produced by a fermentation process. Foods with a high content of carbohydrates are a good source of vinegar. Review of the results of different studies performed on vinegar components reveals that the daily use of these components has a healthy impact on the physiological and chemical structure of the human body. During the era of Hippocrates, people used vinegar as a medicine to treat wounds, which means that vinegar is one of the ancient foods used as folk medicine. The purpose of the current review paper is to provide a detailed summary of the outcome of previous studies emphasizing the role of vinegar in treatment of different diseases both in acute and chronic conditions, its in vivo mechanism and the active role of different bacteria.


2013 ◽  
Vol 34 (3) ◽  
pp. 159-169 ◽  
Author(s):  
Sevtap Cinan ◽  
Aslı Doğan

This research is new in its attempt to take future time orientation, morningness orientation, and prospective memory as measures of mental prospection, and to examine a three-factor model that assumes working memory, mental prospection, and cognitive insight are independent but related higher-order cognitive constructs by using confirmatory factor analysis (CFA). The three-factor model produced a good fit to the data. An alternative one-factor model was tested and rejected. The results suggest that working memory and cognitive insight are distinguishable, related constructs, and that both are distinct from, but negatively associated with, mental prospection. In addition, structural equation modeling (SEM) showed that working memory had a strong positive effect on cognitive insight and a moderate negative effect on mental prospection.


2018 ◽  
Vol 17 (1) ◽  
pp. 33-41 ◽  
Author(s):  
Jing Jiang ◽  
Ang Gao ◽  
Baiyin Yang

Abstract. This study uses implicit voice theory to examine the influence of employees’ critical thinking and leaders’ inspirational motivation on employees’ voice behavior via voice efficacy. The results of a pretest of 302 employees using critical thinking questionnaires and a field study of 273 dyads of supervisors and their subordinates revealed that both employees’ critical thinking and leaders’ inspirational motivation had a positive effect on employees’ voice and that voice efficacy mediates the relationships among employees’ critical thinking, leaders’ inspirational motivation, and employees’ voice. Implications for research and practice are discussed.


2018 ◽  
Vol 33 (8) ◽  
pp. 1195-1201
Author(s):  
Dorothée Altmeier ◽  
Otmar Bock ◽  
Daniel Memmert

2008 ◽  
Author(s):  
Eric Rassin ◽  
Peter Muris ◽  
Ingmar Franken ◽  
Margrethe van Straten

Phlebologie ◽  
2008 ◽  
Vol 37 (05) ◽  
pp. 259-265 ◽  
Author(s):  
H. Kutzner ◽  
G. Hesse

SummaryThe reason of the so called ulcerated capillaritis alba or idiopathic atrophie blanche is vasculopathy caused by severe venous hypertension. Thrombosed and rarificated vessels worsen the oxygenation, increase permanent inflammation and impede the necessary compression therapy. The anti-inflammatory effects of heparin alleviate pain and being independent from the antithrombotic ones it needs much lower doses for treatment. This anti-inflammatory effect is now becoming more important in clinical phlebology. Case studies of more than 50 patients and one prospective randomized study of 87 patients clearly demonstrate the ameliorated healing of ulcerated atrophie blanche. In our office we could document this positive effect with 22 patients. We present the pathophysiology of low molecular heparins for ulcerated capillaritis alba and our own experiences with it.


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