Retrieval of NO2 Columns by Exploiting MAX-DOAS Observations and Comparison with OMI and TROPOMI Data during the Time Period of 2015–2019 by Ahmad Iqbal, Naveed Ahmad, Hassan Mohy ud Din, Michel Van Roozendael, Muhammad Shehzaib Anjum, Muhammad Zeeshan Ali Khan, Muhammad Fahim Khokhar

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Bond Behavior of CRACFST Columns after Exposure to Elevated Temperatures by Peng Hu, Jiong-Feng Liang

“…The bond behavior of post-heated circular recycled aggregate concrete-filled steel tube (CRACFST) columns is experimentally investigated in this paper. …”
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Optimization of the Operation of Groundwater Intakes Using Two-Column Wells by V. V. Ivashechkin, J. A. Medvedeva

“…As a result of calculations; it was found that when combining the operation of pumps of two-column wells during periods of peak; main and partial loads; the annual energy savings will amount to 33 %.…”
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Slotted Beam-Column Energy Dissipating Connections: Applicability and Seismic Behavior by Xin Zhao, Ai Qi

“…The results show that the period of the controlled structure was prolonged and the top story acceleration decreased, indicating its effect in reducing seismic response. …”
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Percutaneous Fixation of Anterior Column Acetabular Fracture in a Renal Transplant Recipient by Halil Ceylan, Ozgur Selek, Ahmet Y. Sarlak

“…In the second year of transplantation, she had been injured in a motor-vehicle accident, and radiographs showed a right acetabular anterior column fracture and left pubic rami fractures. The patient was treated with percutaneous fixation techniques and at one year of postoperative period there was no evidence of degenerative signs and the clinical outcome was good. …”
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Endovascular Treatment of Vertebral Column Metastases Using Intra-Arterial Cisplatin: Pilot Experience by Bohdan W. Chopko

“…Background and Importance. Treatment of spinal column metastatic tumors is challenging, especially in the setting of progressive disease despite previous radiation and chemotherapy. …”
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A Throughfall Collection Method Using Mixed Bed Ion Exchange Resin Columns by Mark E. Fenn, Mark A. Poth, Michael J. Arbaugh

“…With this method, bulk deposition and bulk throughfall are collected by a funnel or snow tube and ions are retained as the solution percolates through the resin column. Ions retained by the resin are then extracted in the same column with 2N KCl and analyzed for nitrate and ammonium. …”
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Geological Structure Exploration of Karst Collapse Column and Evaluation of Water Insulation Properties of the Mud Part by Shijian Yu, Jiyang Liu, Peng Bai, Hongtao Xu, Runshan He, Yongshen Wang, Dawei Yin

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Analysis and Field Measurement on the Internal Force Variation Laws of Steel Pipe Columns in Subway Stations by Nan Liu, Yu-sheng Jiang, Hua Jiang, Long-fei Chang, Xing Yang, Xiao Tong

“…Steel pipe columns are an important component in subway station construction and with stand stress state and internal force during the construction process. …”
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Displacement and Stress Characteristics of Tunnel Foundation in Collapsible Loess Ground Reinforced by Jet Grouting Columns by Youyun Li, Shuoshuo Xu, Houquan Liu, Enlin Ma, Lixin Wang

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‘Gall and wormwood’ – The Compositors’ Chronicle (1840–43) as Collaborative Journal by Françoise Baillet

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Mechanistic General Education and Komsomol Using the Example of the Social Movement for the Creation of the “Komsomolets of Kalmykia” tractor column by Baatr A. Okonov

“…The analysis of archival materials was carried out using such methods as periodization, which provided an opportunity to trace qualitative changes in the process of forming a social movement and an analysis of the main trends and contributions of participants in the movement for the creation of the Komsomolets Kalmykia tractor column. …”
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Mechanical Performance Analysis of Steel Beam-Column Joints in Fabricated Multirise Steel Structures after Fire by Fang Liu, Xiuli Wang, Bin Cai, Xuguang Li, Liqi Yang

“…This study aims to analyze the mechanical properties of fabricated multistory and high-rise steel structures and steel beam-column joints after fire. Considering that the steel structure building has the characteristics of good seismic resistance, flexible structural layout, short construction period, and good safety, first, the thermal and mechanical properties of steel are analyzed. …”
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Post-fire behavior of RC columns repaired with square hollow section steel tube and RC concrete jackets by Ahmed Rafik Belakhdar, Mohamed Salah Dimia, Mohamed Baghdadi

“…Finally, it was revealed that the strengthening method used herein allowed restoring the capacity of the columns exposed to fire for a period of one hour by up to 180%.   …”
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Wastewater Treatment with Geotextile Filters: The Role in Permeability and Pollutant Control by Maria Vitoria Morais, Leonardo Marchiori, Josivaldo Sátiro, Antonio Albuquerque, Victor Cavaleiro

“…The objective of this research was to analyze clogging through variations in permeability, using column tests for 80 days with two types of nonwoven geotextiles with different grammages (GT120 and GT300), as well as to study the efficiency in the removal of organic matter. …”
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Spatial Heterogeneity in Tropospheric Column Ozone over the Indian Subcontinent: Long-Term Climatology and Possible Association with Natural and Anthropogenic Activities by Gayatry Kalita, Pradip Kumar Bhuyan

“…Monthly averaged tropospheric ozone residual (TOR) data from TOMS and OMI during the period 1979–2009 are used to study the spatial distribution of tropospheric column ozone within the landmass of the Indian subcontinent, the Tibetan plateau in the north and the Bay of Bengal in the south. …”
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Time-Resolved Emission Spectroscopy Measurements during the Restrike Period in Arc Plasma Torch by Alan Mašláni, Peter Ondáč, Viktor Sember, Milan Hrabovský

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DESIGN DEVELOPMENT OF THE WATER SUPPLY WELLS AND METHODS OF THEIR CAPITAL REPAIR by V. V. Ivashechkin

“…The performed column strength test demonstrated the fact that the required heave might exceed the welding joint tolerant tensile force owing to considerable friction of the column against the ground. …”
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The Relationship between Polar Vortex and Ozone Depletion in the Antarctic Stratosphere during the Period 1979–2016 by Yu Zhang, Jing Li, Libo Zhou

“…In this study, the linkage between polar vortex and ozone depletion in Antarctic stratosphere during the period 1979–2016 is investigated; we calculated the averaged total column ozone within the polar vortex based on the vortex edge (−28.8 PVU PV contour) instead of the geographical region defined by latitude and longitude. …”
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The Content Variation of Four Active Components in Amygdalus persica L. during Different Harvesting Periods by Juanjuan Zhang, Xudong Chen, Zhenhua Yin, Qinfeng Guo, Baocheng Yang, Miaoqing Feng, Xiao Li, Lin Chen, Wei Zhang, Wenyi Kang

“…In this study, a quantitative method for the content determination of rutin, 5-O-coumaroylquinic acid methyl ester, chlorogenic acid butyl ester, and kaempferol in Amygdalus persica L. flowers during different harvest periods was established to investigate its various rules and determine the optimal harvesting period. …”
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