Results 161 to 170 of about 6,056 (225)

Biochar addition enhances remediation efficiency and rapeseed yield in copper-contaminated soil. [PDF]

Front Plant Sci
Sheng Z, Luo T, Wang L, Chen M, Ma B, Liu L, Wang B, Kuai J, Wang J, Zhao J, Xu Z, Zhou G.   +11 more
europepmc   +1 more source

Effects of Long-Term Elevated CO₂ on Soil Aggregate Structure and Microbial Communities in a <i>Deyeuxia angustifolia</i> Wetland of the Sanjiang Plain. [PDF]

Microorganisms
Shi L, Cao H, Zhang R, Zhong H, Liu Y, Wang J, Zhang D, Li L, Ni H.   +8 more
europepmc   +1 more source

Global change factors differ in effect when acting alone and in a multi-factor background. [PDF]

Nat Commun
Rongstock R, Li H, Lehmann A, Wulf A, Rillig MC.   +4 more
europepmc   +1 more source

Codon bias, nucleotide selection, and genome size predict in situ bacterial growth rate and transcription in rewetted soil. [PDF]

Proc Natl Acad Sci U S A
Chuckran PF, Estera-Molina K, Nicolas AM, Sieradzki ET, Dijkstra P, Firestone MK, Pett-Ridge J, Blazewicz SJ.   +7 more
europepmc   +1 more source

A conceptual model for dissolved P mobilization from legacy sources. [PDF]

J Environ Qual
Nash DM, Mc Dowell RW, Kleinman PJA, Moore PA, Duncan JM, Haygarth PM, Smith DR, Iho A.   +7 more
europepmc   +1 more source

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Improving the Jar Slake, Slake Index, and Slake Durability Tests for Shales

Environmental & Engineering Geoscience, 1998
This study proposes modifications to three shale durability tests to improve reproducibility, reduce the level of effort required, and better correlate the test to actual slaking characteristics. Modifications to the jar slake test reduced test variability by one-third, offering a substantial improvement in consistency, with only a slight loss in the ...
openaire   +1 more source

SLAKING PROPERTIES OF SHALE ROCK IN THE IZUMI GROUP AND THE SLAKING MECHANISM

Doboku Gakkai Ronbunshu, 2003
石のスレーキングは, 切土のり面の長期安定や盛土材として使用した場合の盛土の沈下問題を考えるうえなどで非常に重要な現象である. 和泉層群に広く分布する頁岩もスレーキングを起こしやすい岩石として知られている. しかし, スレーキングの特性や機構は十分には解明されていない. そこで, 頁岩のスレーキング特性を把握するために, 乾湿繰返し試験を, また, スレーキングメカニズム解明のため, X線回折試験. 電子顕微鏡写真撮影および水質分析を行った. その結果, 頁岩のスレーキング特性を明らかにし, また, メカニズムとしては, 長石・雲母の溶出および膠結物 (非結晶物質) の溶出であることが明らかにした.
Yukinobu YOSHIDA, Shuzo TAKATA, Kinutada YOKOTA, Ryuichi YATABE   +3 more
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Slaking and deformation behaviour

Géotechnique, 2016
Slaking is a mechanical–hydraulic process in which geomaterials disintegrate or crumble when subjected to wetting and drying cycles; mudstone is particularly susceptible to this process. This paper explores the slaking behaviour of geomaterials derived from several kinds of mudstone and the mechanical consequences using a comprehensive set of ...
M. Kikumoto, A. D. Putra, T. Fukuda
openaire   +1 more source

The kinetics of lime slaking

Hydrometallurgy, 1990
Although the slaking of lime is a reaction of great antiquity, there have been few fundamental studies of its kinetics and mechanism. In this paper, the kinetics of the reaction are reported for lime samples in two different arrangements: rotating discs and powders.
Ritchie, I.M., Bing-An, X.
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The slake-durability test

International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1972
Abstract A test is described that measures the resistance of a rock sample to weakening and disintegration resulting from a standard cycle of drying and wetting. The main purpose of this ‘slake-durability test’ is to evaluate the weathering resistance of shales, mudstones, siltstones and other clay-bearing rocks.
J.A. Franklin, R. Chandra
openaire   +1 more source