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Urban plants have been proven to mitigate ambient particulate matter (PM), which can benefit urban planners in their attempts to control urban air pollution. In this study, PM depositions on the leaves of 8 tree species were quantitatively analysed in 7 functional areas of the city of Nanjing, China, over the course of one year. The results demonstrated that leaf PM included different particle size...
Cellulose-degrading strains play an important role in cellulose degradation at low temperatures. In this study, three cellulose-degrading strains with high carboxymethyl cellulase (CMCase) activity were isolated from the soil in a low temperature environment of 10ºC. ZS-7 was Cladosporium sp, ZS-8 was Alternaria porri, and ZS-10 was Trichoderma harzianum, based on 16s rDNA gene sequence analysis....
Using a CIRAS-2 portable photosynthesis system, the photosynthesis, transpiration, and light responses of Aralia elata were studied under different soil moisture values with the aim of understanding the adaptability of this species to different light and soil water conditions. The results showed that the net photosynthetic rate (Pn), transpiration rate (Tr), and water use efficiency (WUE) of A. elata...
The foliar surface of plants can capture atmospheric pollutants. Foliage dust is especially useful for passive adsorption of anthropogenic polycyclic aromatic hydrocarbons (PAHs) present in total suspended particles (TSPs). The objective of this study was to compare the dust-retaining capability of typical trees along an urbanization gradient in Nanjing, China. We also studied the concentrations of...
This study established a K drought monitoring model to determinate the start, duration, and strength of drought. Based on 586 meteorological stations’ conventional observation data in China from 1961 to 2015, we calculated the elements and parameters needed to structure the model. Because soil has a memory of its antecedent moisture change, the drought intensity of a day is determined by the moisture...
Recent physiological studies indicate that weightlessness reliably alters ocular structure and function, as well as the ability to process visual‑spatial information. The posterior parietal cortex (PPC) and lateral geniculate nucleus (LGN) are two key brain areas implicated in the processing of visual‑spatial information. Here, we used the modified tail‑suspension rat model to simulate the physiological...
Mixed pharmaceutical wastewater contains high levels of chemical oxygen demand (COD) and high concentrations of toxic and harmful substances. A conventional wastewater treatment process cannot treat this wastewater sufficiently to meet discharge standards. Therefore, mixed pharmaceutical wastewater treatment is a serious challenge to wastewater management. In this study, a full-scale combined anaerobic/...
Geological disaster causes loss of lives and damage to man-made and natural stuctures. In this paper, a coupling method with optimal combination weighing law and extension model was established. Based on dynamic impact factors such as forest coverage, annual average rainfall, topography and gemorphogy, geologic structure, and type of rock and soil, the amount of disaster points and human engineering...
Abscisic acid (ABA) plays critical roles in plant growth and development as well as in plants’ responses to abiotic stresses. We previously isolated VvWRKY13, a novel transcription factor, from Vitis vinifera (grapevine), and here we present evidence that VvWRKY13 may regulate ABA biosynthesis in plants. When VvWRKY13 was ectopically expressed in Arabidopsis, the transgenic lines showed delayed seed...
INTRODUCTION: Glaucoma is a serious social problem as it may result in blindness. Most often, it is related to increased intraocular pressure, but the exact biologic mechanism is not known yet. RNA-binding proteins may be one of the pathogenetic factors for this disease. AIM(S): To evaluate impact of increased intraocular pressure (IOP) on HuR protein expression in retina and optic nerve in rat glaucoma...
The mixotrophic denitrification desulfurization process was adopted in an upflow attached-growth bioreactor for wastewater treatment. The microorganisms in the system were acclimated to remove sulfide, nitrate, nitrite, and organics simultaneously while the contaminants were finally converted to element sulfur, nitrogen gas, and carbon dioxide. The 16S rDNA clone library technique was utilized to...
The quantification of biomass carbon pools is important for understanding carbon cycling in forest ecosystems. This study was designed to reveal the effects of stand age on biomass partitioning and carbon storage of Chinese fir plantation stands in Dabie Mountains of Anhui, East China. A total of six even-aged Chinese fir plantation stands along an age-sequence from 10 to 50 years were selected. To...
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