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排序方式: 共有124条查询结果,搜索用时 15 毫秒
51.
Jalal Khurshid Khan Kanwal Basharat Zarrin Abbas Muhammad Naseer Uddin Reaz Ali Fawad Khan Saeed Ahmad Hassan Syed Shams ul 《Environmental science and pollution research international》2022,29(40):60035-60053
Environmental Science and Pollution Research - The ongoing COVID-19 outbreak, initially identified in Wuhan, China, has impacted people all over the globe and new variants of concern continue to... 相似文献
52.
Abdo AL-Barakani Li Bin Qahtan Anwar Saeed Ahmed Abdulsalam Alnoah Aloqab Abdullah Obadi Waleed 《Environmental science and pollution research international》2022,29(36):54571-54595
Environmental Science and Pollution Research - Indeed, the Belt and Road Initiative (BRI) plays an increasingly important role in global economic and climate change mitigation. However, scientists... 相似文献
53.
Saeipourdizaj Parisa Musavi Saeed Gholampour Akbar Sarbakhsh Parvin 《Environmental Modeling and Assessment》2022,27(1):55-55
Environmental Modeling & Assessment - 相似文献
54.
Saeed Usman Khan Asim Laeeq Gilani Mazhar Amjad Aslam Muhammad Khan Asad Ullah 《Environmental science and pollution research international》2021,28(26):33994-34008
Environmental Science and Pollution Research - Betaine-based natural deep eutectic solvents (NADESs), a new class of green solvents, were immobilized into a porous polyvinylidene fluoride (PVDF)... 相似文献
55.
56.
Al-khadher Sadeq Abdullah Abdo Abdul Kadir Aeslina Al-Gheethi Adel Ali Saeed Azhari Nur Wahidah 《Environmental science and pollution research international》2021,28(46):65513-65524
Environmental Science and Pollution Research - The current work aimed to study the physical, chemical and biological properties of food wastes generated from small and medium industries by using... 相似文献
57.
Su Teng Ahmad Ishtiaq Qayyum Abdul Yin Weihua Rahman Saeed ur Adeel-Farooq Rana Muhammed 《Environmental science and pollution research international》2021,28(47):66930-66940
Environmental Science and Pollution Research - Energy consumption is widely regarded as the primary driver of economic development and environmental degradation. The current study examines how... 相似文献
58.
Rahman Zia ur Ahmad Saeed Fidel Rivka Khalid Salma Ahmad Iqbal Humphrey Olivier S. Khan Hizbullah Khan Bushra 《Environmental geochemistry and health》2021,43(9):3615-3624
Environmental Geochemistry and Health - This study aimed to determine the status of groundwater contamination with faecal coliform and nitrate in the rural areas of Mardan district, Pakistan. Both... 相似文献
59.
Because of rapid increase in the urban population and hence road traffic, the vehicle–pedestrian crashes are more frequent and have become a major concern in road traffic safety. Though the bumper of a vehicle plays an important role to protect the vehicle body damage in low speed impacts, many bumpers particularly in larger vehicles are too stiff for pedestrian protection and safety. To prevent lower extremity injuries in car–pedestrian collisions, it is important to determine the loadings that car front structures impart on the lower extremities and the mechanisms by which injuries are caused. In the present work, a dynamic legform impactor model is introduced and validated against EEVC/WG17 criteria. The collision mechanism between a GMT bumper and the legform impactor model is investigated numerically using LS-DYNA software. The effect of the height of the impact point of bumper assembly to lower extremity injuries is also investigated. In this paper, it is shown that changing the local stiffness of bumper assembly due to the change in the height of the bumper and distribution of stiffness from upper parts of the bumper assembly to lower parts are the most important parameters in the pedestrian’s leg injuries. As lower extremity injuries are related to the lower bumper height, developing special legform impactors for different countries with different average person height seems essential in investigating the effect of people’s height on lower extremity injuries. 相似文献
60.
Muhammad Awais Aftab Wajid Muhammad Usman Bashir Muhammad Habib-ur-Rahman Muhammad Aown Sammar Raza Ashfaq Ahmad Muhammad Farrukh Saleem Hafiz Mohkum Hammad Muhammad Mubeen Umer Saeed Muhammad Naveed Arshad Shah Fahad Wajid Nasim 《Environmental science and pollution research international》2017,24(21):17511-17525
The combination of nitrogen and plant population expresses the spatial distribution of crop plants. The spatial distribution influences canopy structure and development, radiation capture, accumulated intercepted radiation (Sa), radiation use efficiency (RUE), and subsequently dry matter production. We hypothesized that the sunflower crop at higher plant populations and nitrogen (N) rates would achieve early canopy cover, capture more radiant energy, utilize radiation energy more efficiently, and ultimately increase economic yield. To investigate the above hypothesis, we examined the influences of leaf area index (LAI) at different plant populations (83,333, 66,666, and 55,555 plants ha?1) and N rates (90, 120, and 150 kg ha?1) on radiation interception (Fi), photosynthetically active radiation (PAR) accumulation (Sa), total dry matter (TDM), achene yield (AY), and RUE of sunflower. The experimental work was conducted during 2012 and 2013 on sandy loam soil in Punjab, Pakistan. The sunflower crop captured more than 96% of incident radiant energy (mean of all treatments), 98% with a higher plant population (83,333 plants ha?1), and 97% with higher N application (150 kg ha?1) at the fifth harvest (60 days after sowing) during both study years. The plant population of 83,333 plants ha?1 with 150 kg N ha?1 ominously promoted crop, RUE, and finally productivity of sunflower (AY and TDM). Sunflower canopy (LAI) showed a very close and strong association with Fi (R 2 = 0.99 in both years), PAR (R 2 = 0.74 and 0.79 in 2012 and 2013, respectively), TDM (R 2 = 0.97 in 2012 and 0.91 in 2013), AY (R 2 = 0.95 in both years), RUE for TDM (RUETDM) (R 2 = 0.63 and 0.71 in 2012 and 2013, respectively), and RUE for AY (RUEAY) (R 2 = 0.88 and 0.87 in 2012 and 2013, respectively). Similarly, AY (R 2 = 0.73 in 2012 and 0.79 in 2013) and TDM (R 2 = 0.75 in 2012 and 0.84 in 2013) indicated significant dependence on PAR accumulation of sunflower. High temperature during the flowering stage in 2013 shortened the crop maturity duration, which reduced the LAI, leaf area duration (LAD), crop growth rate (CGR), TDM, AY, Fi, Sa, and RUE of sunflower. Our results clearly revealed that RUE was enhanced as plant population and N application rates were increased and biomass assimilation in semi-arid environments varied with radiation capture capacity of sunflower. 相似文献