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1. Sulfate reduction behavior in pressure-bearing leachate saturated zone

Author:
Dongsheng Shen; Haomin Zhou; Zhiyuan Jin; Wenyi Yang; Manting Ci; Yuyang Long; Lifang Hu
Source:
Journal of environmental sciences (China) 2023 v.126 pp. 545-555
ISSN:
1001-0742
Subject:
atmospheric pressure,   etc   ; ambient temperature; community structure; disulfides; genes; hydrogen sulfide; leachates; microbial communities; oxidoreductases; sulfates; China;     Show all 11 Subjects
Abstract:
... Attention should be paid to the sulfate reduction behavior in a pressure-bearing leachate saturated zone. In this study, within the relative pressure range of 0–0.6 MPa, the ambient temperature with the highest sulfate reduction rate of 50°C was selected to explore the difference in sulfate reduction behavior in a pressure-bearing leachate saturated zone. The results showed that the sulfate reduct ...
DOI:
10.1016/j.jes.2022.04.032

2. Fusion Retrieval of Sea Surface Barometric Pressure from the Microwave Humidity and Temperature Sounder and Microwave Temperature Sounder-II Onboard the Fengyun-3 Satellite

Author:
Qiurui He; Zhenzhan Wang; Jiaoyang Li
Source:
Remote Sensing 2022 v.14 no.2 pp. -
ISSN:
2072-4292
Subject:
atmospheric pressure,   etc   ; humidity; satellites; temperature;     Show all 4 Subjects
Abstract:
... Both the Microwave Humidity and Temperature Sounder (MWHTS) and the Microwave Temperature Sounder-II (MWTS-II) operate on the Fengyun-3 (FY-3) satellite platform, which provides an opportunity to retrieve the sea surface barometric pressure (SSP) with high accuracy by fusing the observations from the 60 GHz, 118.75 GHz, and 183.31 GHz channels. The theory of retrieving SSP using passive microwave ...
DOI:
10.3390/rs14020276

3. Estimation of Vs30 at the EarthScope Transportable Array Stations by Inversion of Low‐Frequency Seismic Noise

Author:
J. Wang; T. Tanimoto
Source:
Journal of geophysical research 2022 v.127 no.4 pp. e2021JB023469
ISSN:
2169-9313
Subject:
atmospheric pressure,   etc   ; deformation; geophysics; research; sediments;     Show all 5 Subjects
Abstract:
... One of the main sources of seismic noise below 0.05 Hz is the atmospheric pressure variation, especially when surface pressure variations are large. When surface broadband seismic stations are equipped with pressure sensors, there is high coherence between pressure and seismic signals at low frequencies. The amount of ground deformation under surface pressure variations reflects the characteristic ...
DOI:
10.1029/2021JB023469

4. Using analytical hierarchy process to optimize mechanical properties of multi-twisted buckled silk yarn as a collagenous tissue scaffold

Author:
Elham Naghashzargar; Mostafa Ghiasi; Dariush Semnani
Source:
The journal of the Textile Institute 2022 v.113 no.3 pp. 460-466
ISSN:
1754-2340
Subject:
atmospheric pressure,   etc   ; fabrics; silk; system optimization;     Show all 4 Subjects
Abstract:
... The present research is focused on optimization the buckling process factors to produce buckled silk yarn using the Analytic Hierarchy Process (AHP) method to gain the best mechanical properties. To achieve this aim, the improvement of mechanical performance is investigated by surface changes of single yarns due to air-jet buckling process. SEM images of yarns approved the efficiency of buckling p ...
DOI:
10.1080/00405000.2021.1884356

5. Effect of vacuum and atmospheric frying and heating on physico-chemical properties of rice bran oil

Author:
A. K. Pandey; O. P. Chauhan; N. Roopa; A. Padmashree; S. S. Manjunatha; A. D. Semwal
Source:
Journal of food science and technology 2022 v.59 no.9 pp. 3428-3439
ISSN:
0022-1155
Subject:
atmospheric pressure,   etc   ; color; rice bran oil; viscosity;     Show all 4 Subjects
Abstract:
... The study highlights the impact of vacuum (13.33 kPa) and atmospheric (101.325 kPa) pressure on the Physico-chemical stability of rice bran oil (RBO) during continuous frying and heating at equivalent thermal driving force (∆T = 45 °C). Reduced operating pressure played a major role in retaining the Physico-chemical quality of RBO. Results show that the PV, FFA, p-An value, IV, TOTOX value, total ...
DOI:
10.1007/s13197-021-05330-y

6. Sensitivity Testing of Microwave Temperature Sounder-II Onboard the Fengyun-3 Satellite to Sea Surface Barometric Pressure Based on Deep Neural Network

Author:
Qiurui He; Zhenzhan Wang; Jiaoyang Li; Wenyu Wang
Source:
Remote Sensing 2022 v.14 no.12 pp. -
ISSN:
2072-4292
Subject:
atmospheric pressure,   etc   ; models; radiative transfer; satellites; temperature;     Show all 5 Subjects
Abstract:
... Sea surface barometric pressure contributes to calculating the surface transmissivity so that the observations of Microwave Temperature Sounder-II channels with non-zero surface transmissivity contain the sea surface barometric pressure information. Meanwhile, all channels of Microwave Temperature Sounder-II are sensitive to sea surface barometric pressure due to the correlation between channels. ...
DOI:
10.3390/rs14122839

7. Physical properties of Quaternary sediments from the western South Korea Plateau, East Sea

Author:
Gil Young Kim; Kiju Park; Gwang Soo Lee; So-Ra Kim; Seok-Hwi Hong; In-Kwon Um; Shin Yu
Source:
Quaternary international 2022 pp. -
ISSN:
1040-6182
Subject:
atmospheric pressure,   etc   ; acoustics; temperature; tephra; South Korea;     Show all 5 Subjects
Abstract:
... Sediment samples were collected with a piston sampler (114 samples) and a box core sampler (266 samples) during research cruises on the R/V Tamhae 2 of the Korea Institute of Geoscience and Mineral Resources (KIGAM) from 2015 to 2019, to examine the characteristics of seafloor sediments from the western South Korea Plateau of East Sea. The in situ velocity was measured at four sites using a seaflo ...
DOI:
10.1016/j.quaint.2022.06.012

8. Reduction of imines with a reusable bimetallic PdCo–Fe₃O₄ catalyst at room temperature under atmospheric pressure of H₂

Author:
Sabyuk Yang; Byeong Moon Kim
Source:
RSC advances 2022 v.12 no.4 pp. 2436-2442
ISSN:
2046-2069
Subject:
atmospheric pressure,   etc   ; ambient temperature; imines; nanocatalysts; synergism;     Show all 5 Subjects
Abstract:
... Bimetallic nanocatalysts have been used for the development of organic reactions, owing to the synergistic effect between the transition metals. A new procedure for synthesizing amines by the reduction of imines with H₂ at atmospheric pressure and room temperature in the presence of PdCo–Fe₃O₄ nanoparticles is reported. The straightforward procedure, mild reaction conditions, high turnover number, ...
DOI:
10.1039/d1ra08552b

9. Atmospheric-Pressure Infrared Laser-Ablation Plasma-Postionization Mass Spectrometry Imaging of Formalin-Fixed Paraffin-Embedded (FFPE) and Fresh-Frozen Tissue Sections with No Sample Preparation

Author:
Rory T. Steven; Marcel Niehaus; Adam J. Taylor; Ammar Nasif; Efstathios Elia; Richard J. A. Goodwin; Zoltan Takats; Josephine Bunch
Source:
Analytical chemistry 2022 v.94 no.28 pp. 9970-9974
ISSN:
1520-6882
Subject:
atmospheric pressure,   etc   ; analytical chemistry; formalin; lipids; metabolites; motivation;     Show all 6 Subjects
Abstract:
... Mass spectrometry imaging (MSI) encompasses a powerful suit of techniques which provide spatially resolved atomic and molecular information from almost any sample type. MSI is now widely used in preclinical research to provide insight into metabolic phenotypes of disease. Typically, fresh-frozen tissue preparations are considered optimal for biological MSI and other traditional preservation method ...
DOI:
10.1021/acs.analchem.2c00690

10. Impact of Overhead Pressure During Mixing on the Quality of Sandwich Bread

Author:
Piyush Kumar Jha; Mathieu Sadot; Sylvie Chevallier; Ashish Rawson; Alain Le-Bail
Source:
Food and bioprocess technology 2022 v.15 no.8 pp. 1896-1906
ISSN:
1935-5130
Subject:
atmospheric pressure,   etc   ; air; bioprocessing; breads; dough; fermentation; microstructure;     Show all 7 Subjects
Abstract:
... This paper presents the impact of overhead pressure (constant pressure and pressure modulation) during mixing on important mixing parameters (maximal power level and the corresponding time (tPEAK)), dough properties after mixing and fermentation (dough voidage and growth rate), and bread characteristics (such as specific volume, void fraction, and crumb microstructure). The overhead pressure durin ...
DOI:
10.1007/s11947-022-02846-9

11. Production of 2,5-furandicarboxylic acid via oxidation of 5-hydroxymethylfurfural over Pt/C in a continuous packed bed reactor

Author:
Kiattichai Wadaugsorn; Kun-Yi Lin; Amaraporn Kaewchada; Attasak Jaree
Source:
RSC advances 2022 v.12 no.28 pp. 18084-18092
ISSN:
2046-2069
Subject:
atmospheric pressure,   etc   ; bioplastics; catalysts; hydroxymethylfurfural; oxidation; oxygen; temperature;     Show all 7 Subjects
Abstract:
... 2,5-Furandicarboxylic acid (FDCA) is a monomer that can be used to produce bioplastic, which has gained increasing interest worldwide. The production of FDCA from catalytic oxidation of 5-hydroxymethylfurfural (5-HMF) is regarded as the major route of the utilization of 5-HMF. In this work, FDCA was produced in a tubular reactor packed with Pt/C. The effects of operating parameters including react ...
DOI:
10.1039/d2ra01976k

12. Air flow inside a vertical pipe induced by a free-falling water jet

Author:
Yiyi Ma; Pengcheng Li; David Z. Zhu; Abdul Khan
Source:
Journal of hydro-environment research 2022 v.44 pp. 23-34
ISSN:
1570-6443
Subject:
atmospheric pressure,   etc   ; air; air flow; equations; friction; momentum; research;     Show all 7 Subjects
Abstract:
... The air flow induced by a water jet freely falling inside a vertical pipe with its top and bottom both open to the atmosphere was investigated experimentally and numerically. In the experiments, the radial air velocity distribution and the air pressure variation along the vertical pipe were measured. The air drag of the falling water jet was related to the jet surface disturbance and analyzed by i ...
DOI:
10.1016/j.jher.2022.07.003

13. Solvent and Flow Rate Effects on the Observed Compositional Profiles and the Relative Intensities of Radical and Protonated Species in Atmospheric Pressure Photoionization Mass Spectrometry

Author:
Mary J. Thomas; Ho Yi Holly Chan; Diana Catalina Palacio Lozano; Mark P. Barrow
Source:
Analytical chemistry 2022 v.94 no.12 pp. 4954-4960
ISSN:
1520-6882
Subject:
atmospheric pressure,   etc   ; analytical chemistry; ethyl acetate; mass spectrometry; solvents;     Show all 5 Subjects
Abstract:
... Sample preparation and instrument parameters have regularly been demonstrated to impact upon the observed results in atmospheric pressure photoionization, mass spectrometry (MS), and analytical techniques in general but may be overlooked when such methods are applied to the characterization of real-world samples. An initial investigation into different solvent systems demonstrated that the inclusi ...
DOI:
10.1021/acs.analchem.1c03463

14. Multi-parametric investigation on the properties of powder-coated UHMWPE /LDPE towpreg manufactured through wet-electrostatic technique

Author:
Ashraf Nawaz Khan; Ramasamy Alagirusamy; Puneet Mahajan; Apurba Das
Source:
Powder technology 2022 v.401 pp. 117352
ISSN:
0032-5910
Subject:
atmospheric pressure,   etc   ; adhesion; experimental design; response surface methodology; temperature;     Show all 5 Subjects
Abstract:
... The present work offers a novel technique (i.e., wet-electrostatic powder coating) to produce flexible non-conductive UHMWPE/LDPE towpreg to ease the weaving process for complex preform structures. Electrostatic powder coating is done onto non-conductive twistless UHMWPE tow unconventionally by introducing a surface modifier. The towpreg based composite imparts excellent interfacial property due t ...
DOI:
10.1016/j.powtec.2022.117352

15. Dielectric barrier discharge plasma for nanomaterials: Fabrication, modification and analytical applications

Author:
Juan He; Xiaohui Wen; Lan Wu; Hanjiao Chen; Jing Hu; Xiandeng Hou
Source:
Trends in analytical chemistry 2022 v.156 pp. 116715
ISSN:
0165-9936
Subject:
atmospheric pressure,   etc   ; ambient temperature; analytical chemistry; energy use and consumption;     Show all 4 Subjects
Abstract:
... Recently, blooming studies of nanomaterials have attracted great interest of scientists for developing diverse applications in analytical chemistry. Among the various methods available today for nanomaterials synthesis, the ones by use of dielectric barrier discharge (DBD) plasma are relatively new, which is a typical low-temperature atmospheric pressure non-thermal plasma, composed of abundant ac ...
DOI:
10.1016/j.trac.2022.116715

16. Nickel-catalyzed alkoxycarbonylation of aryl iodides with 1 atm CO

Author:
Ning Liu; Xianqing Wu; Chenglong Wang; Jingping Qu; Yifeng Chen
Source:
Chemical communications 2022 v.58 no.29 pp. 4643-4646
ISSN:
1364-548X
Subject:
atmospheric pressure,   etc   ; carbon monoxide; chemical communication; esters; exhibitions; iodides; phenol;     Show all 7 Subjects
Abstract:
... A nickel-catalyzed alkoxycarbonylation of aromatic iodides with alcohols under atmospheric pressure of carbon monoxide is presented here. This operationally simple protocol allows the facile synthesis of (hetero)aromatic esters, exhibiting broad substrate scope with excellent functional group tolerance. Various primary and secondary aliphatic alcohols as well as phenols are suitable for this trans ...
DOI:
10.1039/d2cc00876a

17. Vertical outbreak of COVID-19 in high-rise buildings: the role of sewer stacks and prevention measures

Author:
Ying Guo; Xuan Li; Stephen Luby; Guangming Jiang
Source:
Current opinion in environmental science & health 2022 pp. 100379
ISSN:
2468-5844
Subject:
atmospheric pressure,   etc   ; COVID-19 infection; drainage; environmental science; pathogens; risk;     Show all 6 Subjects
Abstract:
... COVID-19 outbreaks in high-rise buildings suggested the transmission route of fecal-aerosol-inhalation due to the involvement of viral aerosols in sewer stacks. The vertical transmission is likely due to the failure of water traps that allow viral aerosols to spread through sewer stacks. This process can be further facilitated by chimney effect in vent stack, extract ventilation in bathrooms, or w ...
DOI:
10.1016/j.coesh.2022.100379

18. Atmospheric pressure photoionization – High-field asymmetric ion mobility spectrometry (APPI-FAIMS) studies for on-site monitoring of aromatic volatile organic compounds (VOCs) in groundwater

Author:
Sasho Joksimoski; Klaus Kerpen; Ursula Telgheder
Source:
Talanta 2022 v.247 pp. 123555
ISSN:
0039-9140
Subject:
atmospheric pressure,   etc   ; benzene; groundwater; groundwater contamination; humidity; ionization; spectroscopy; toluene;     Show all 8 Subjects
Abstract:
... A continuously operating system for monitoring groundwater contamination by aromatic VOCs has been developed. For this purpose, a novel gas-water separation unit was to be used in combination with APPI-FAIMS. The gas-water separation unit successfully reduced the humidity in the sample flow to ≤1.6 ppmᵥ prior to analyte ionization. Initially, toluene was selected as a model aromatic VOC. The quant ...
DOI:
10.1016/j.talanta.2022.123555

19. Competition Between Atmospheric and Tidally Attenuated Forcing in an Elongated Coastal Lagoon

Author:
Arnoldo Valle-Levinson; Cecilia Enriquez; Ismael Mariño
Source:
Estuaries and coasts 2022 v.45 no.1 pp. 49-62
ISSN:
1559-2723
Subject:
atmospheric pressure,   etc   ; coastal water; head; models; reproduction; trade; variance; wavelet;     Show all 8 Subjects
Abstract:
... Water level measurements at four sub-basins of a highly dissipative coastal lagoon were used to study variability at tidal and subtidal scales and to determine whether atmospheric forcing influenced variations in water level at tidal scales. The amplitude of the main astronomic constituents, which were diurnal, attenuated quickly to <5% by the second sub-basin. The attenuation was represented well ...
DOI:
10.1007/s12237-021-00947-w

20. Enhancing Separation and Constriction of Ion Mobility Distributions in Drift Tubes at Atmospheric Pressure Using Varying Fields

Author:
Xi Chen; Mohsen Latif; Viraj D. Gandhi; Xuemeng Chen; Leyan Hua; Nobuhiko Fukushima; Carlos Larriba-Andaluz
Source:
Analytical chemistry 2022 v.94 no.14 pp. 5690-5698
ISSN:
1520-6882
Subject:
atmospheric pressure,   etc   ; analytical chemistry; electric field; electric potential difference; momentum;     Show all 5 Subjects
Abstract:
... A linearly decreasing electric field has been previously proven to be effective for diffusional correction of ions in a varying field drift tube (VFDT) system, leading to higher resolving powers compared to a conventional drift tube due to its capacity to narrow distributions midflight. However, the theoretical predictions in resolving power of the VFDT were much higher than what was observed expe ...
DOI:
10.1021/acs.analchem.2c00467