Results 131 to 140 of about 355 (149)

Heavy metals pollution of soil in central plains urban agglomeration (CPUA), China: human health risk assessment based on Monte Carlo simulation

Environmental Geochemistry and Health, 2023
The present study conducted the concentration evaluation, pollution assessment, source analysis, and risk assessment of heavy metals in the soil of the CPUA, China, to contribute to the smooth construction of urban agglomeration. Elevated levels of mean concentrations of cadmium (Cd), chromium (Cr), and copper (Cu) in the soils were shown compared to ...
Huina Zhu, Xiaolong Liu, Baozhong Zhang   +2 more
exaly   +3 more sources

CPUE, CPUA and biomass of Pomadasys kaakan in the waters of Bushehr Province (Persian Gulf) [PDF]

, 2017
The CPUE, CPUA and biomass of Pomadasys kaakan was assessed in the waters of the province of Bushehr in 2011. The study area was divided into three areas (Northern, Central and Southern) and depth zones (10-20, 20-30 and 30-50 m).Stratified random sampling was used to collect the data. Samples were taken from 45 stations.
Parsa, M., Paighambari, S.Y., Kamrani, E., Nekuru, A.   +3 more
core   +5 more sources

Environmental carrying capacity and ecological risk assessment of pesticides under different soil use types in the Central Plains Urban Agglomeration (CPUA), China

Environmental Pollution
Soil environmental safety has received much attention during the past few decades due to its significance in agricultural production and human health. Special attention is required for soil pesticide residues and ecological risks. This study examined 197 soil samples from industrial, residential and agricultural areas for the presence of 12 ...
Lingyun Chen, Xiaolong Liu, Baozhong Zhang   +2 more
exaly   +5 more sources

Impact of High-Speed Rail on Spatial Structure in Prefecture-Level Cities: Evidence from the Central Plains Urban Agglomeration, China [PDF]

Sustainability, 2022
The impact of high-speed rail (HSR) on urban spatial structure has attracted much attention since the 1970s. It mainly realizes the change of urban spatial structure by affecting the spatial distribution of population and economy. Based on population and
Jingyu Liu, Wenxin Zhang, Xiaomin Wang
exaly   +2 more sources

Catch Per Unit Area (CPUA) estimation and distribution pattern of grunts in Oman ‎Sea

2020
It is reported on the results of a trawls survey to assess the amount of catch Per Unit of Area (CPUA) and also to determine the distribution pattern of grunts of demersal fishes as one the most important and commercial fish species in the north of Oman Sea. The catch per unit area CPUA as the main index was estimated. A CPUA and distribution change of
Eisapoor, Seyed Sahand, Mahmoodzadeh, Afshin, Valinasab, Tooraj   +2 more
openaire   +1 more source

Morphologies and applied properties of free radical/cationic UV‐cured CPUA/TMPTMA/CER composite films

Polymer Composites, 2014
A UV‐cured composite film was prepared by free free‐radical photopolymerization from a blend containing oligomer cycloaliphatic polyurethane acrylate (CPUA) and reactive diluent trimethylolpropane trimethaacrylate (TMPTMA) with the same weight (coded as UT) in the presence of free free‐radical photoinitiator Irgacure 754.
Yuanchun Qi, Lingling Li, Zhou Fang, Jianfeng Zhong, Qingzhi Dong   +4 more
openaire   +1 more source

بررسی ترکیب صید، فراوانی طولی، CPUE و CPUA در ترال میگو در آب های بوشهر، شمال خلیج فارس

2020
به­ منظور شناخت ترکیب صید تور ترال مورد استفاده در منطقه آب­ های بوشهر در مرداد و شهریور 1395 نمونه برداری انجام شد. ترکیب صید تورهای ترال میگو در پایان دوره نمونه‌ برداری شامل گونه‌ های میگوی سفید سرتیز (Metapenaeus affinis)،­ میگوی ببری سبز (Penaeus semisulcatus)، میگوی کیدی یا خنجری (Parapenaeopsis stylifera)، میگوی ویولن زن (Metapenaeopsis ...
openaire   +1 more source

Spatial-Temporal Evolution and Obstacle Factors of the Disaster Resilience in the Central Plains Urban Agglomeration, China [PDF]

Sustainability
With the accelerating process of global urbanization, the disaster risks faced by urban agglomerations are becoming more and more complex and diversified, and strengthening the research of disaster resilience is crucial to achieving the sustainable ...
Yongling Zhang
exaly   +2 more sources

بررسی CPUE، CPUA و توده زنده ماهی سنگسر معمولی (Pomadasyskaakan) در آب‌های استان بوشهر(خلیج فارس)

2017
صید به ازای واحد تلاش و واحد سطح و همچنین میزان توده زنده ماهی سنگسر معمولی در آب‌های استان بوشهر در بهمن ماه سال 1390 برآورد شد. منطقه نمونه‌برداری به سه ناحیه شمالی، مرکزی و جنوبی و هر ناحیه نیز به سه زیرلایه عمقی 20-10، 30-20 و 50-30 مترتقسیم بندی گردید. در این مطالعه از روش نمونه برداری تصادفی برای جمع‌آوری داده‌ها استفاده شد.
openaire   +1 more source

CPUE OU CPUA, QUAL O MELHOR ÍNDICE DE ABUNDÂNCIA RELATIVA PARA A PESCA DE ARRASTO DE CAMARÕES?

2019
Araújo, Paulo Victor Do Nascimento, Puppin-Gonçalves, Carolina Teixeira, Laiane Lane Lucena De Medeiros, Fúlvio Freire   +3 more
openaire   +1 more source