Results 31 to 40 of about 653,647 (206)

Partial least squares (PLS) regression and its application to coal analysis</a> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16"><i>Revista Técnica de la Facultad de Ingeniería</i>, 2003 </span><br><span class="r_content">Los métodos instrumentales de análisis químico hacen uso de las relaciones entre la señal obtenida y una propiedad del sistema estudiado (generalmente, una concentración).</span><br><span class="r_sub"><i>Carlos E Alciaturi<span id="ma_1" style="display:none">, Marcos E Escobar, Carlos De La Cruz, Carlos Rincón</span>   <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_1')">+3 more</a></small></i></span><br><small><a href="https://doaj.org/article/1d77c19e48234290ae3611ac64584af6" target="_blank" rel="nofollow" title="doaj.org/article/1d77c19e48234290ae3611ac64584af6">doaj</a> </small>   <br></div><div class="r"><p class="r_title"><a href="https://doi.org/10.12438/cst.2023-1778" target="_blank" rel="nofollow">Research progress and application of online coal quality and coal quantity analyses</a> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16"><i>Meitan kexue jishu</i></span><br><span class="r_content">The coal industry urgently needs real-time access to comprehensive information on coal quality and quantity for its digital transformation. Based on analyzing the industrial application requirements for comprehensive analysis of coal quality and quantity,</span><br><span class="r_sub"><i>Honglei WANG<span id="ma_2" style="display:none">, Xin GUO, Yifan ZHANG, Junsheng ZHANG</span>   <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_2')">+3 more</a></small></i></span><br><small><a href="https://doaj.org/article/06aafc1d3c8344129b0e93aa4e64eada" target="_blank" rel="nofollow" title="doaj.org/article/06aafc1d3c8344129b0e93aa4e64eada">doaj</a> </small>   <div id="more_2" style="display:none"><a href="/sci_redir.php?doi=10.12438%2Fcst.2023-1778" target="_blank" rel="nofollow">openaccessbutton.org (pdf)</a><br><a href="javascript:navigator.clipboard.writeText('10.12438/cst.2023-1778'); alert('Copied the doi');">copy doi</a> <small>(10.12438/cst.2023-1778)</small><br></div><small><a href="#" onClick="return toggle_div(this, 'more_2')">+1 more source</a></small><br></div><div class="r"><p class="r_title"><a href="https://www.produccioncientificaluz.org/index.php/tecnica/article/view/5823" target="_blank" rel="nofollow">Partial least squares (PLS) regression and its application to coal analysis</a> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16"><i>Revista Técnica de la Facultad de Ingeniería</i>, 2010 </span><br><span class="r_content">Instrumental chemical analysis methods use the relationships between a signal obtained and a property (generally a concentration) of the system under study.</span><br><span class="r_sub"><i>Carlos Alciaturi<span id="ma_3" style="display:none">, Marcos Escobar, Carlos De La Cruz, Carlos Rincón</span>   <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_3')">+3 more</a></small></i></span><br><small><a href="https://doaj.org/article/d5bd847c54284a7597574e2281d5f6df" target="_blank" rel="nofollow" title="doaj.org/article/d5bd847c54284a7597574e2281d5f6df">doaj</a> </small>   <br></div><div class="r"><p class="r_title"><a href="https://doi.org/10.13347/j.cnki.mkaq.20231318" target="_blank" rel="nofollow">Research on the influencing factors of coal miners’ safety information cognition based on SNA</a> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16"><i>Meikuang Anquan</i></span><br><span class="r_content">Most coal mine accidents are caused by people’s unsafe behavior, and people’s unsafe behavior is caused by the low level of coal miners’ safety information cognition.</span><br><span class="r_sub"><i>Lei LI, Yaya SHE, Mengge MA, Fan WANG</i></span><br><small><a href="https://doaj.org/article/08e7002559174ca999a5cb841bc18c6a" target="_blank" rel="nofollow" title="doaj.org/article/08e7002559174ca999a5cb841bc18c6a">doaj</a> </small>   <div id="more_4" style="display:none"><a href="/sci_redir.php?doi=10.13347%2Fj.cnki.mkaq.20231318" target="_blank" rel="nofollow">openaccessbutton.org (pdf)</a><br><a href="javascript:navigator.clipboard.writeText('10.13347/j.cnki.mkaq.20231318'); alert('Copied the doi');">copy doi</a> <small>(10.13347/j.cnki.mkaq.20231318)</small><br></div><small><a href="#" onClick="return toggle_div(this, 'more_4')">+1 more source</a></small><br></div><div class="r"><p class="r_title"><a href="https://core.ac.uk/download/12208861.pdf" target="_blank" rel="nofollow">STRONTIUM ISOTOPE SYSTEMATICS AND GEOCHEMISTRY OF COAL UTILIZATION BY-PRODUCTS</a> <b><a href="http://d-scholarship.pitt.edu/9038/1/MS_Spivak-Birndorf_8_10_07.pdf" target="_blank" rel="nofollow">[PDF]</a></b> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16">, 2007 </span><br><span class="r_content">Coal combustion for energy generation creates large quantities of solid coal utilization by-products (CUB), including fly ash, bottom ash, and flue gas desulfurization products. These materials are either used in environmental and industrial applications </span><br><span class="r_sub"><i>Spivak-Birndorf, Lev</i></span><br><small><a href="https://core.ac.uk/works/5240856" target="_blank" rel="nofollow" title="core.ac.uk/works/5240856">core</a> </small>   <div id="more_5" style="display:none"><a href="http://d-scholarship.pitt.edu/9038/1/MS_Spivak%2DBirndorf_8_10_07.pdf" target="_blank" rel="nofollow" title="d-scholarship.pitt.edu/9038/1/MS_Spivak%2DBirndorf_8_10_07.pdf">d-scholarship.pitt.edu (pdf)</a><br> </div><small><a href="#" onClick="return toggle_div(this, 'more_5')">+1 more source</a></small><br></div><div class="r"><p class="r_title"><a href="http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532004000200007" target="_blank" rel="nofollow">Direct solid sampling by flame atomic absorption spectrometry: determination of manganese in coal samples</a> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16"><i>Journal of the Brazilian Chemical Society</i>, 2004 </span><br><span class="r_content">A new device for the direct solid analysis by flame atomic absorption spectrometry was investigated as an alternative technique for the determination of trace elements in coal.</span><br><span class="r_sub"><i>Flores Érico M. M.<span id="ma_6" style="display:none">, Paniz José Neri G., Saidelles Ana Paula F., Barin Juliano S., Dressler Valderi L., Müller Edson I., Costa Adilson B.</span>   <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_6')">+6 more</a></small></i></span><br><small><a href="https://doaj.org/article/d12476ded73549e6b7173e3c1d0e1aa5" target="_blank" rel="nofollow" title="doaj.org/article/d12476ded73549e6b7173e3c1d0e1aa5">doaj</a> </small>   <br></div><div class="r"><p class="r_title"><a href="https://doi.org/10.13347/j.cnki.mkaq.2022.11.007" target="_blank" rel="nofollow">Study on adsorption property and fractal characteristic of acid modified coal samples</a> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16"><i>Meikuang Anquan</i>, 2022 </span><br><span class="r_content"> In order to explore the application of acidizing technology in coal seam permeability enhancement, the paper carried out the research on gas adsorption performance and micro-mechanism of acidizing modified coal samples.</span><br><span class="r_sub"><i>YUAN Wenjie</i></span><br><small><a href="https://doaj.org/article/96a21d9e15b24f8b91e9f171fc59875e" target="_blank" rel="nofollow" title="doaj.org/article/96a21d9e15b24f8b91e9f171fc59875e">doaj</a> </small>   <div id="more_7" style="display:none"><a href="/sci_redir.php?doi=10.13347%2Fj.cnki.mkaq.2022.11.007" target="_blank" rel="nofollow">openaccessbutton.org (pdf)</a><br><a href="javascript:navigator.clipboard.writeText('10.13347/j.cnki.mkaq.2022.11.007'); alert('Copied the doi');">copy doi</a> <small>(10.13347/j.cnki.mkaq.2022.11.007)</small><br></div><small><a href="#" onClick="return toggle_div(this, 'more_7')">+1 more source</a></small><br></div><div class="r"><p class="r_title"><a href="https://doi.org/10.1117/12.2548071" target="_blank" rel="nofollow">Coal mine low power laser methane detection and alarm instrument</a> <b><a href="https://openaccess.city.ac.uk/id/eprint/23866/1/Coal%20Mine%20Low%20Power%20Laser%20Methane%20Detection%20and%20Alarm%20Instrument.pdf" target="_blank" rel="nofollow">[PDF]</a></b> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16">, 2019 </span><br><span class="r_content">At present, the portable carrier catalytic methane detection and alarm instrument for coal mine generally has many problems, such as high power consumption, short standby time, low detection accuracy, few parameters and single function, which can not ...</span><br><span class="r_sub"><i>Grattan, K. T. V.<span id="ma_8" style="display:none">, Hu, J., Jin, G., Liu, T., Meng, H., Sun, T., Wei, Y., Zhang, H.</span>   <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_8')">+7 more</a></small></i></span><br><small><a href="https://core.ac.uk/works/12265132" target="_blank" rel="nofollow" title="core.ac.uk/works/12265132">core</a> </small>   <div id="more_8" style="display:none"><a href="/sci_redir.php?doi=10.1117%2F12.2548071" target="_blank" rel="nofollow">openaccessbutton.org (pdf)</a><br><a href="javascript:navigator.clipboard.writeText('10.1117/12.2548071'); alert('Copied the doi');">copy doi</a> <small>(10.1117/12.2548071)</small><br></div><small><a href="#" onClick="return toggle_div(this, 'more_8')">+1 more source</a></small><br></div><div class="r"><p class="r_title"><a href="https://doi.org/10.1016/j.rineng.2024.103038" target="_blank" rel="nofollow">Analyzing the combustion characteristics of Thar coal block XI: A comprehensive study</a> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16"><i>Results in Engineering</i></span><br><span class="r_content">Coal is a key energy resource in the world that is available at low cost and the high energy content in coal makes it a fuel of choice in many developed and developing countries.</span><br><span class="r_sub"><i>Syed Nasir Mehdi<span id="ma_9" style="display:none">, Zahid Mehmood Khan, Hafiz Umar Farid, Sami Ullah Khan, M. Ijaz Khan, Mohammed Jameel, Dilsora Abduvalieva, Hakim AL Garalleh, M. Waqas</span>   <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_9')">+8 more</a></small></i></span><br><small><a href="https://doaj.org/article/5588ec709e614c0483641fe79eae16f9" target="_blank" rel="nofollow" title="doaj.org/article/5588ec709e614c0483641fe79eae16f9">doaj</a> </small>   <div id="more_9" style="display:none"><a href="/sci_redir.php?doi=10.1016%2Fj.rineng.2024.103038" target="_blank" rel="nofollow">openaccessbutton.org (pdf)</a><br><a href="javascript:navigator.clipboard.writeText('10.1016/j.rineng.2024.103038'); alert('Copied the doi');">copy doi</a> <small>(10.1016/j.rineng.2024.103038)</small><br></div><small><a href="#" onClick="return toggle_div(this, 'more_9')">+1 more source</a></small><br></div><div class="r"><p class="r_title"><a href="https://doi.org/10.1155/2013/184964" target="_blank" rel="nofollow">Comparison Analysis of Coal Biodesulfurization and Coal’s Pyrite Bioleaching with <i>Acidithiobacillus ferrooxidans</i></a> <b><a href="http://downloads.hindawi.com/journals/tswj/2013/184964.pdf" target="_blank" rel="nofollow">[PDF]</a></b> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16"><i>The Scientific World Journal</i>, 2013 </span><br><span class="r_content">Acidithiobacillus ferrooxidans (A. ferrooxidans) was applied in coal biodesulfurization and coal’s pyrite bioleaching. The result showed that A. ferrooxidans had significantly promoted the biodesulfurization of coal and bioleaching of coal’s pyrite. After 16 days of processing, the total sulfur removal rate of coal was 50.6%, and among them the removal </span><br><span class="r_sub"><i>Fen-Fen Hong<span id="ma_10" style="display:none">, Huan He, Jin-Yan Liu, Xiu-Xiang Tao, Lei Zheng, Yi-Dong Zhao</span>   <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_10')">+5 more</a></small></i></span><br><small><a href="https://explore.openaire.eu/search/publication?pid=10.1155%2F2013%2F184964" target="_blank" rel="nofollow" title="openaire.eu/search/publication?pid=10.1155%2F2013%2F184964">openaire</a> </small>   <div id="more_10" style="display:none"><a href="/sci_redir.php?doi=10.1155%2F2013%2F184964" target="_blank" rel="nofollow">openaccessbutton.org (pdf)</a><br><a href="https://pubmed.ncbi.nlm.nih.gov/24288464" target="_blank" rel="nofollow" title="pubmed.ncbi.nlm.nih.gov/24288464">pubmed.ncbi.nlm.nih.gov</a><br> <a href="https://doaj.org/article/7ba1e0710db94b3a98eac6b74b396f94" target="_blank" rel="nofollow" title="doaj.org/article/7ba1e0710db94b3a98eac6b74b396f94">doaj.org</a><br> <a href="javascript:navigator.clipboard.writeText('10.1155/2013/184964'); alert('Copied the doi');">copy doi</a> <small>(10.1155/2013/184964)</small><br></div><small><a href="#" onClick="return toggle_div(this, 'more_10')">+3 more sources</a></small><br></div><div class="r"><div style="margin-bottom:2px;overflow:hidden"><div style="display: inline-block; float: left; font-size: small; padding-right: 16px; margin-top: -1px; padding-bottom: 1px;"><a href="/q-7._clean_energy/" class="suggestion"onclick="show_loader();"><b>7. clean energy</b></a><br/><a href="/q-13._climate_action/" class="suggestion"onclick="show_loader();"><b>13. climate action</b></a><br/><a href="/q-pls/" class="suggestion"onclick="show_loader();"><b>pls</b></a><br/></div><div style="display: inline-block; float: left; font-size: small; padding-right: 16px; margin-top: -1px; padding-bottom: 1px;"><a href="/q-coal/" class="suggestion"onclick="show_loader();"><b>coal</b></a><br/><a href="/q-environmental_sciences/" class="suggestion"onclick="show_loader();"><b>environmental sciences</b></a><br/><a href="/q-chemometrics/" class="suggestion"onclick="show_loader();"><b>chemometrics</b></a><br/></div><div style="display: inline-block; float: left; font-size: small; padding-right: 16px; margin-top: -1px; padding-bottom: 1px;"><a href="/q-multivariate_regression/" class="suggestion"onclick="show_loader();"><b>multivariate regression</b></a><br/></div></div></div><div class="pagenav"><a href="/q-coal_analysis/p-3/" rel="nofollow"><b>previous</b></a>   <a href="/q-coal_analysis/p-2/" rel="nofollow">2</a>  <a href="/q-coal_analysis/p-3/" rel="nofollow">3</a>  <b>4</b>  <a href="/q-coal_analysis/p-5/" rel="nofollow">5</a>  <a href="/q-coal_analysis/p-6/" rel="nofollow">6</a>   <a href="/q-coal_analysis/p-5/" id="next" rel="nofollow"><b>next</b></a> </div><br></div> </div> <script>document.getElementById('loadingGif').style.display='none';</script><div style="width: 100%; height: 40px; bottom: 0px; background-color: #f5f5f5;"><div style="padding-left: 15px; padding-top: 10px"> <a href="/" rel="nofollow">Home</a> - <a href="/page-about/" rel="nofollow">About</a> - <a href="/page-disclaimer/" rel="nofollow">Disclaimer</a> - <a href="/page-privacy/" rel="nofollow">Privacy</a> </div></div> <link rel="stylesheet" href="//ajax.googleapis.com/ajax/libs/jqueryui/1.11.4/themes/smoothness/jquery-ui.min.css"/> </body> </html>