Daptomycin adsorption on magnetic ultra-fine wood-based biochars from water: Kinetics, isotherms, and mechanism studies

2019 ◽  
Vol 273 ◽  
pp. 8-15 ◽  
Author(s):  
Tian Ai ◽  
Xiaojun Jiang ◽  
Qingyu Liu ◽  
Linlin Lv ◽  
Hang Wu
Keyword(s):  
Energy ◽  
2021 ◽  
Vol 220 ◽  
pp. 119697
Author(s):  
G.V. Kuznetsov ◽  
A.V. Zenkov ◽  
A.A. Tolokolnikov ◽  
I.V. Cherednik ◽  
S.A. Yankovsky
Keyword(s):  

Forests ◽  
2014 ◽  
Vol 5 (4) ◽  
pp. 827-846 ◽  
Author(s):  
Weiwei Zhao ◽  
Luke Blauw ◽  
Richard van Logtestijn ◽  
William Cornwell ◽  
Johannes Cornelissen
Keyword(s):  

2002 ◽  
Vol 32 (4) ◽  
pp. 742-750 ◽  
Author(s):  
Robert L Edmonds ◽  
Georgia LD Murray

Overstory litterfall rates and nutrient returns were determined in an old-growth temperate rainforest watershed in the Hoh River valley, Olympic National Park, Washington. Litter was sorted into green needles, senescent needles, fine wood, reproductive, and miscellaneous litter (mostly arboreal lichens and mosses). Understory and coarse woody debris inputs were not determined. Total annual overstory litterfall averaged 3594 kg·ha–1 and varied among the six plant communities in the watershed. There was a trend for litterfall to be higher in the upper watershed; elevations ranged from 180 to 850 m. Needles provided the greatest amount of litterfall (60%) with woody litter and other material averaging 18 and 22%, respectively. Highest senescent needle litterfall occurred from July to October, but highest woody litterfall was from January to April. Green needles provided only 3% of annual needle litterfall. Green and senescent needle litterfall were related to western hemlock (Tsuga heterophylla (Raf.) Sarg.) basal area, suggesting that this shade-tolerant species was the greatest contributor to needle litterfall. The following quantities (kg·ha–1) of nutrients were returned to the forest floor annually: Ca, 26.8; N, 24.6; K, 4.0; Mg, 3.0; P, 2.9; Mn, 1.7; and Na, 1.2.


2007 ◽  
Vol 20 (5) ◽  
pp. 439-451 ◽  
Author(s):  
Nathan J. Jam ◽  
Amir Hossein Behravesh

Iraq ◽  
1995 ◽  
Vol 57 ◽  
pp. 113-118 ◽  
Author(s):  
Elisabeth Crowfoot ◽  
M. C. Whiting ◽  
Kathryn Tubb

Textile fragments from the excavation of royal graves at Nimrud in 1988–89 (see Iraq 51 (1989), p. 259) may at first appear disappointing. After the magnificent array of gold jewellery, these scraps may seem of very minor interest, but though technically limited, their original fine execution can still be recognised as befitting a royal burial. The burials probably date to the second half of the eighth century BC.The queen's body inside the bronze coffin of Tomb 2 was covered with what first appeared to be a solid layer of brittle dark brown wood, but on examination patterns of threads and weave structures could be identified in many areas. The colour varied, different layers being slightly tinged with purple and red, and careful separation by Kathryn Tubb in the Institute of Archaeology Conservation laboratory revealed different styles and qualities of woven cloth. Lines, which at first suggested to the eye the graining of fine wood, proved to be folds, in some areas probably fine pleating or goffering, and it was clear that a mass of delicate fabrics had been present, clothing and wrapping the body, or lying piled up over it (Fig. 5).


Author(s):  
Roberts Kaķis ◽  
Dagnija Blumberga ◽  
Ģirts Vīgants

The article deals with the problem facing Latvian inventors in how to develop the idea to a real product. There are often cases where innovative ideas “migrate” from original inventors to other inventors, when they turn to them to seek support for developing and supporting the idea. The main components of the guidelines are the establishment of a patent application and, in general, a description of the entire patent acquisition process and the creation of a life cycle analysis using the SimaPro software. The article is intended primarily for the development of environmentally friendly inventions, which is why the life cycle analysis is one of the main components of the article, to make it possible to conclude whether the production and use of the new product will not result in a higher “ecological footprint” than previously used technologies, paying particular attention to the inventor stage in order to accurately develop a life-cycle analysis. The article does not only explore the necessary theoretical knowledge of the realisation of the idea to the product, but also looks at the pilot case, a practical example of an innovative “dust co-firing burner” compared to the conventional natural gas burner. The life-cycle analysis compares the following steps: manufacture of plants, transportation of plants and special emphasis on the combustion phase of fuels, three scenarios are examined: a natural gas burner burning natural gas, a dust burner in which natural gas is co-incinerated and fine wood particles − dust and a dust burner burning. biomethane and wood dust. The use of such an installation would not only reduce emissions from the replacement of natural gas by wood dust, but also allow energy companies to work more effectively, as it would be possible to regulate the proportion of different fuels depending on demand, because the fuels have different heat of combustion. The article establishes a methodology to analyse the quality and implementation of inventions in response to the following key questions: − how to identify original ideas and how to protect authors from the migration of ideas; − how to collect and analyse the risks associated with migration of ideas; − how to use life cycle analysis for the assessment of the “ecological footprint” of the invention.


2007 ◽  
Vol 18 (4) ◽  
Author(s):  
Mats Jonsell ◽  
Jesper Hansson

Three methods for extracting saproxylic beetles from wood samples were compared. The aim with the samples was to collect substrate-specific data on the beetle fauna in different types of small diameter wood. The methods were: (1) sifting – peeling bark from the wood, sifting it and extracting beetles in Tullgren funnels, (2) box-rearing – storing wood in dark wooden boxes and using light to attract emerging beetles; and (3) sack-rearing – hanging the wood in white cotton sacks with a collection vial at the bottom. Rearing sacks gave the species richest samples. Box-rearing gave similar results, but some small beetle species, especially Staphylinidae, were less frequent. Sifting was not useful for species occurring as larvae in the wood, but gave results similar to the two rearing methods for most species that occurred as adults, and was the most efficient method for the Staphylinidae. The two rearing methods were somewhat more labour intensive than sifting, but produced more beetles per sample. Sack-rearing was somewhat more efficient than box-rearing.


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