Dr 06696 Cpmethods Of Testing Soils For Engineering Purposes Part 361
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The Perfect Slime
Author | : Hans-Curt Flemming |
Publisher | : IWA Publishing |
Total Pages | : 336 |
Release | : 2016-09-15 |
Genre | : Science |
ISBN | : 1780407416 |
The Perfect Slime presents the latest state of knowledge and all aspects of the Extracellular Polymeric Substances, (EPS) matrix – from the ecological and health to the antifouling perspectives. The book brings together all the current material in order to expand our understanding of the functions, properties and characteristics of the matrix as well as the possibilities to strengthen or weaken it. The EPS matrix represents the immediate environment in which biofilm organisms live. From their point of view, this matrix has paramount advantages. It allows them to stay together for extended periods and form synergistic microconsortia, it retains extracellular enzymes and turns the matrix into an external digestion system and it is a universal recycling yard, it protects them against desiccation, it allows for intense communication and represents a huge genetic archive. They can remodel their matrix, break free and eventually, they can use it as a nutrient source. The EPS matrix can be considered as one of the emergent properties of biofilms and are a major reason for the success of this form of life. Nevertheless, they have been termed the “black matter of biofilms” for good reasons. First of all: the isolation methods define the results. In most cases, only water soluble EPS components are investigated; insoluble ones such as cellulose or amyloids are much less included. In particular in environmental biofilms with many species, it is difficult to impossible isolate, separate the various EPS molecules they are encased in and to define which species produced which EPS. The regulation and the factors which trigger or inhibit EPS production are still very poorly understood. Furthermore: bacteria are not the only microorganisms to produce EPS. Archaea, Fungi and algae can also form EPS. This book investigates the questions, What is their composition, function, dynamics and regulation? What do they all have in common?
Iron Oxides
Author | : Damien Faivre |
Publisher | : John Wiley & Sons |
Total Pages | : 626 |
Release | : 2016-08-08 |
Genre | : Science |
ISBN | : 3527338829 |
Alle relevanten Informationen zu Eisenoxiden, von der Struktur und Transformation über Charakterisierungsverfahren bis hin zu den neuesten AnwendungEN. Ein Muss für alle, die in dem Fachgebiet arbeiten.
OECD Guidelines for the Testing of Chemicals, Section 2 Test No. 222: Earthworm Reproduction Test (Eisenia fetida/Eisenia andrei)
Author | : OECD |
Publisher | : OECD Publishing |
Total Pages | : 21 |
Release | : 2016-07-29 |
Genre | : |
ISBN | : 9264264493 |
This Test Guideline is designed to be used for assessing the effects of chemicals in soil on the reproductive output (and other sub-lethal end points) of the earthworm species Eisenia fetida or Eisenia andrei.
Razing Rafah
Author | : Fred Abrahams |
Publisher | : Human Rights Watch |
Total Pages | : 150 |
Release | : 2004-01-01 |
Genre | : Arab-Israeli conflict |
ISBN | : |
This report show, most of the destruction in Rafah occurred along the Israel-controlled border between the Gaza Strip and Egypt. During regular nighttime raids and with little or no warning, Israel forces used armored caterpillar D9 bulldozers to raze blocks of homes at the edge of the camp, incrementally expanding a "buffer zone" that is currently up to three hundred meters wide. The pattern of destruction strongly suggests that Israeli forces demolished homes wholesale, regardless of whether they posed a specific threat, in violation of international law. In most cases Human Rights Watch found the destruction carried out in the absence of military necessity.
Geology and Mineral Resources of San Diego County, California; 3
Author | : F Harold Weber |
Publisher | : Hassell Street Press |
Total Pages | : 346 |
Release | : 2021-09-09 |
Genre | : |
ISBN | : 9781013991486 |
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.