Abstract：
:Highwall mining (HWM) technology is an efficient method for exploiting residual coal resources in Chinese open-pit coal mines. However, on-site personnel and equipment can be damaged by the instability of the highwall mining residual coal pillars and subsidence of final end-walls. This paper considers the geological conditions of an open-pit mine in Shendong Coal Field (China) in order to prevent overlying rock fall accidents; the Mark-Bieniawski formula and the FLAC3D numerical simulation are used to analyse reasonable coal pillar widths outside and under the road, which were determined to be 1.7 m and 1.3 m, respectively. Using the EBH132 cantilever excavator for remote control mining, the field experiment shows that the recovery ratio of highwall residual coal resources was over 67%; hence, safety, efficiency and high recovery ratio of highwall mining were achieved for the residual coal resources of an open-pit mine.
journal_name
R Soc Open Scijournal_title
Royal Society open scienceauthors
Wang F,Zhang Cdoi
10.1098/rsos.181817subject
Has Abstractpub_date
2019-04-03 00:00:00pages
181817issue
4issn
2054-5703pii
rsos181817journal_volume
6pub_type
杂志文章abstract：:Whole-transcriptome technologies have been widely used in behavioural genetics to identify genes associated with the performance of a behaviour and provide clues to its mechanistic basis. Here, we consider the genetic basis of sex allocation behaviour in the parasitoid wasp Nasonia vitripennis. Female Nasonia facultat...
journal_title：Royal Society open science
pub_type： 杂志文章
doi：10.1098/rsos.171718
更新日期：2018-02-21 00:00:00
abstract：:[This corrects the article DOI: 10.1098/rsos.160759.]. ...
journal_title：Royal Society open science
pub_type： 已发布勘误
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abstract：:Living kangaroos, wallabies and rat-kangaroos (Macropodoidea) constitute the most ecologically diverse radiation of Australasian marsupials. Indeed, even their hallmark bipedal hopping gait has been variously modified for bounding, walking and climbing. However, the origins of this locomotory adaptability are uncertai...
journal_title：Royal Society open science
pub_type： 杂志文章
doi：10.1098/rsos.181617
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journal_title：Royal Society open science
pub_type： 杂志文章
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更新日期：2017-03-01 00:00:00
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journal_title：Royal Society open science
pub_type： 杂志文章
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更新日期：2017-12-06 00:00:00
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pub_type： 杂志文章
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更新日期：2019-07-10 00:00:00
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pub_type： 杂志文章
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更新日期：2018-06-20 00:00:00
abstract：:Bacterial gene expression regulation occurs mostly during transcription, which has two main rate-limiting steps: the close complex formation, when the RNA polymerase binds to an active promoter, and the subsequent open complex formation, after which it follows elongation. Tuning these steps' kinetics by the action of ...
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pub_type： 杂志文章
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更新日期：2018-11-28 00:00:00
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journal_title：Royal Society open science
pub_type： 杂志文章,评审
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更新日期：2017-08-02 00:00:00
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journal_title：Royal Society open science
pub_type： 杂志文章
doi：10.1098/rsos.170777
更新日期：2017-09-06 00:00:00
abstract：:It is recently demonstrated that amorphous Ge anode shows higher reversible Na-ion storage capacity (590 mA h g-1) than crystallized Ge anode (369 mA h g-1). Here, amorphous GeO x anode is prepared by a simple wet-chemistry reduction route at room temperature. The obtained...
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pub_type： 杂志文章
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更新日期：2018-01-17 00:00:00
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pub_type： 杂志文章
doi：10.1098/rsos.170505
更新日期：2018-02-21 00:00:00
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journal_title：Royal Society open science
pub_type： 杂志文章
doi：10.1098/rsos.160592
更新日期：2016-10-26 00:00:00
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journal_title：Royal Society open science
pub_type： 杂志文章
doi：10.1098/rsos.172371
更新日期：2018-05-16 00:00:00
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更新日期：2017-09-13 00:00:00
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更新日期：2018-05-23 00:00:00
abstract：:[This corrects the article DOI: 10.1098/rsos.140292.]. ...
journal_title：Royal Society open science
pub_type： 已发布勘误
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journal_title：Royal Society open science
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更新日期：2020-07-08 00:00:00
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更新日期：2020-11-11 00:00:00
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更新日期：2020-07-08 00:00:00
abstract：:We review the current state of knowledge of magnetic fields inside stars, concentrating on recent developments concerning magnetic fields in stably stratified (zones of) stars, leaving out convective dynamo theories and observations of convective envelopes. We include the observational properties of A, B and O-type ma...
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journal_title：Royal Society open science
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journal_title：Royal Society open science
pub_type： 杂志文章
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更新日期：2017-05-03 00:00:00
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