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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1945 6
1946 4
1947 7
1948 12
1949 17
1950 89
1951 63
1952 58
1953 56
1954 86
1955 74
1956 69
1957 66
1958 48
1959 35
1960 1
1961 4
1962 1
1963 309
1964 453
1965 403
1966 416
1967 440
1968 473
1969 458
1970 464
1971 486
1972 519
1973 561
1974 626
1975 756
1976 711
1977 697
1978 620
1979 603
1980 538
1981 520
1982 488
1983 516
1984 537
1985 567
1986 590
1987 593
1988 593
1989 671
1990 714
1991 731
1992 559
1993 499
1994 463
1995 502
1996 523
1997 538
1998 558
1999 597
2000 624
2001 698
2002 767
2003 774
2004 915
2005 733
2006 755
2007 837
2008 935
2009 950
2010 1049
2011 1123
2012 1094
2013 1189
2014 1300
2015 1330
2016 1629
2017 1808
2018 2153
2019 2626
2020 2997
2021 2854
2022 2193
2023 2084
2024 2748
2025 70

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53,474 results

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Page 1
Showing results for area na
Search for Arzá NA instead (1 results)
Ca/Na concentration-constrained variations of dissolved organic matter leaching from groundwater-irrigation area soil in North China Plain.
Huang S, Xuan C, Qian Y, Xie Z, Jiang Y, Liu S. Huang S, et al. Environ Monit Assess. 2023 Sep 15;195(10):1213. doi: 10.1007/s10661-023-11839-w. Environ Monit Assess. 2023. PMID: 37709956
This study investigates the quantity and quality variations of dissolved organic matter (DOM) leaching from the soil in groundwater irrigation area of the North China Plain, constrained by the concentration of Ca/Na. Soil samples with dominant humic-like (HLC) and p …
This study investigates the quantity and quality variations of dissolved organic matter (DOM) leaching from the soil in groundwater irrigati …
Emigration flows from North Africa to Europe.
Kassar H, Marzouk D, Anwar WA, Lakhoua C, Hemminki K, Khyatti M. Kassar H, et al. Eur J Public Health. 2014 Aug;24 Suppl 1:2-5. doi: 10.1093/eurpub/cku105. Eur J Public Health. 2014. PMID: 25107991 Review.
The region of North Africa (NA) represents a striking locality regarding migration with several migration patterns, namely emigration in the form of labour export to Europe and North America and, to a lesser extent, to the Arab Gulf area. ...The NA region has …
The region of North Africa (NA) represents a striking locality regarding migration with several migration patterns, namely emigration …
METRICS DEVELOPMENT FOR PATENTS.
Veiga DF, Ferreira LM. Veiga DF, et al. Rev Col Bras Cir. 2015;42 Suppl 1:34-6. doi: 10.1590/0100-69912015S01013. Rev Col Bras Cir. 2015. PMID: 27437965 Free article. English, Portuguese.
METHODS: From the reading and analysis of the 2013 area documents of all the 48 areas of Capes, a proposal for metrics for patents was developed to be applied in Medicine III programs. ...OBJETIVO: Desenvolver uma proposta de metricas para patentes a serem aplicadas na …
METHODS: From the reading and analysis of the 2013 area documents of all the 48 areas of Capes, a proposal for metrics for patents wa …
Assessment of groundwater vulnerability for seawater intrusion using DRASTIC model in coastal area at Patuakhali District, Bangladesh.
Hasan I, Reza S, Siddique AB, Akbor A, Hasan M, Nahar A, Islam I. Hasan I, et al. Environ Sci Pollut Res Int. 2023 Oct;30(50):109021-109040. doi: 10.1007/s11356-023-29988-3. Epub 2023 Sep 27. Environ Sci Pollut Res Int. 2023. PMID: 37759055
Piper's Trilinear and Durov diagrams of groundwater indicated that most gathered groundwater show predominantly Na-Cl-type of water. Based on the USSL diagram, it is observed that the salinity of the study area is medium to high and the alkalinity is medium to very …
Piper's Trilinear and Durov diagrams of groundwater indicated that most gathered groundwater show predominantly Na-Cl-type of water. …
Health Policy on the pages of Revista de Saúde Pública.
Bousquat A, Tanaka OY. Bousquat A, et al. Rev Saude Publica. 2016 Nov 10;50(0):65. doi: 10.1590/S1518-8787.2016050000180. Rev Saude Publica. 2016. PMID: 27849292 Free PMC article. Review.
We carried out a narrative review of the scientific production in the area of Policy, Planning and Management in Revista de Saude Publica (RSP), between 1967 and 2015. ...The pages of RSP embraced the vast and diverse production of Policy, Planning and Management in its fi …
We carried out a narrative review of the scientific production in the area of Policy, Planning and Management in Revista de Saude Pub …
Hydrochemical analysis and groundwater suitability for drinking and irrigation in an arid agricultural area of the Northwest China.
Tang L, Yao R, Zhang Y, Ding W, Wang J, Kang J, Liu G, Zhang W, Li X. Tang L, et al. J Contam Hydrol. 2023 Nov;259:104256. doi: 10.1016/j.jconhyd.2023.104256. Epub 2023 Oct 15. J Contam Hydrol. 2023. PMID: 37865976
In this study, a total of 24 confined groundwater samples and 54 phreatic groundwater samples were collected in the southern and central Ningxia area for hydrochemical analysis and quality assessment. The hydrochemical results revealed that hydrochemical types of phreatic …
In this study, a total of 24 confined groundwater samples and 54 phreatic groundwater samples were collected in the southern and central Nin …
[Chemical Evolution and Formation Mechanism of Groundwater in Hetao Irrigation Area].
Cui JQ, Li XY, Shi HB, Sun YN, An HJ, Xing JP. Cui JQ, et al. Huan Jing Ke Xue. 2020 Sep 8;41(9):4011-4020. doi: 10.13227/j.hjkx.202003150. Huan Jing Ke Xue. 2020. PMID: 33124281 Chinese.
The results showed that the major cations in groundwater in the study area were Na(+) and K(+), and the major anions were Cl(-) and HCO(3)(-). Moreover, Na(+), K(+), and Cl(-) showed high spatial variability and were the main factors contributing to groundwat …
The results showed that the major cations in groundwater in the study area were Na(+) and K(+), and the major anions were Cl(- …
Characterization of soil salinization and its driving factors in a typical irrigation area of Northwest China.
Zhang Y, Hou K, Qian H, Gao Y, Fang Y, Xiao S, Tang S, Zhang Q, Qu W, Ren W. Zhang Y, et al. Sci Total Environ. 2022 Sep 1;837:155808. doi: 10.1016/j.scitotenv.2022.155808. Epub 2022 May 11. Sci Total Environ. 2022. PMID: 35561915
A Geographic Weighted Regression model (GWR) was used to predict the risk of salinization in the Yinchuan Plain. ...Farmland accounted for the largest proportion of salinized land area, followed by woodland and "other" land use categories. The main characteristic io …
A Geographic Weighted Regression model (GWR) was used to predict the risk of salinization in the Yinchuan Plain. ...Farmland accounte …
Hydrogeochemical evolution patterns of diverse water bodies in mining area driven by large-scale open-pit combined underground mining-taking Pingshuo Mining Area as an example.
Zhang W, Duan L, Yinglan A, Xue B, Wang G, Liu T. Zhang W, et al. J Contam Hydrol. 2024 Nov;267:104420. doi: 10.1016/j.jconhyd.2024.104420. Epub 2024 Sep 2. J Contam Hydrol. 2024. PMID: 39270600
Here, we selected the Pingshuo Mining Area in China, one of the most modernized open-pit combined underground mining regions, as the focus of our research. ...The hydrochemical types of Quaternary and Permian-Carboniferous aquifers shifted from predominantly HCO(3)-Ca.Mg b …
Here, we selected the Pingshuo Mining Area in China, one of the most modernized open-pit combined underground mining regions, as the …
53,474 results
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