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World-wide do restoration the possiblility to instill coral deep sea efficiency.
Based on inter-provincial energy intensity data in China from 1996 to 2016, using the model combining STIRPAT and dynamic SDM analyzes energy intensity and its influencing factors under the conditions of spatial lag, time lag, and space-time lag. Considering endogenous issues, it then explores the basic characteristics of energy intensity in space and its path dependence. The results show that spatial distribution of energy intensity in China is uneven and generally shows a pattern of decreasing from northwest to southeast. Energy intensity itself has a significant spillover effect, which can affect neighboring regions through pollution heaven effect and pollution halo effect. It can also be reduced as a result of the joint effect of driving factors. Economic development level, foreign direct investment, and technological progress have significant effects on reducing energy intensity, while industrial structure and urbanization rate increase it. The difference among driving factors lies in spatial spillover effect, and the short-term indirect effect is greater than the long-term one. Therefore, the key to realize China mode of green development is to promote factors of reducing energy intensity brought into full play and the inhibitory factors effectively controlled.Because of their direct contact with society, urban buses are prioritized targets for air quality improvement. In this study, a sample group of in-use urban old buses powered by compressed natural gas (CNG) and diesel engines was chosen for particle emission analysis. The CNG buses do not have any type of after-treatment, while diesel ones are equipped with a diesel particulate filter (DPF). To measure the lung deposited surface area (LDSA), a possible physical metric of exhaust particles' toxicity, a diffusion charger-based analyzer was utilized. The measurements were done at different engine speeds in stationary conditions. The results revealed that although the particle mass emission of CNG buses remains at a low level, the number of emitted particles for 75% of the CNG buses (depending on their maintenance conditions) is 10 to 100 times more than the retrofitted diesel ones, with the range of 106 to 107 p/cm3. The rest 25% of the CNG buses were performing the same as the retrofitted diesel ones in terms of exhaust particle number in the range of 105 p/cm3. In addition, the lowest LDSA parameter at low idle engine speed was measured to be 97.8 and 229.4 μm2/cm3 for a CNG and a DPF retrofitted diesel bus, respectively. This result indicates the same and even lower LDSA and surface area and thus the lower possible toxic potentiality of exhaust particles of CNG buses compared to diesel vehicles at DPF downstream. Investigation on the different behavior of the CNG buses in the emission of particles showed the correlation of some aging parameters such as lubricant oil aging mileage with the released particles and the importance of periodic maintenance interval. Graphical abstract.Glyphosate is the active component of several commercial formulations as in Roundup®. The present study was investigated the toxic effects of pure glyphosate or Roundup® on the liver and small intestine of chick embryos. Congo Red On day 6, a total of 180 fertile eggs injected with deionized water (control group), 10 mg pure glyphosate, or 10 mg of the active ingredient glyphosate in Roundup®/kg egg mass. The results showed an increase in relative weights of the liver in embryos that treated with Roundup®. Furthermore, oxidative stress was observed in the embryos treated with glyphosate or Roundup®, increased total superoxide dismutase, and content of malondialdehyde in the liver and intestine; moreover, decrease of glutathione peroxidase in the liver with increased in the intestine compared with the control. Besides, glutamic-pyruvic transaminase was increased in Roundup® group compared with other groups. Moreover, histopathological alterations in the liver and intestine tissues were observed in treated groups. Suppression of hepatic CYP1A2, CYP1A4, CYP1B1, and MDR1 mRNA expression after exposed to Roundup®. Furthermore, inhibition of CYP1A4 in the duodenum, CYP1A4, and MRP2 in the jejunum in embryos exposed to glyphosate or Roundup®. In addition, glyphosate treatment caused an increase of CYP3A5, CYP1C1, and IFNY mRNA expression in the jejunum and CYP1A2 expression in the ileum, while IFN-Y gene increase in embryos treated with Roundup®. In conclusion, in ovo exposure to glyphosate caused histopathological alterations and induced oxidative stress in the liver and small intestines. Moreover, the expression of cytochrome P450, MDR1, and MRP2 transporters was also modulated in the liver and small intestines for chick embryos.Eco-innovation has become an essential driver of business to alleviate environmental problems and achieve sustainable growth. Due to increasing environmental concerns, many countries have enacted regulations so that businesses minimize their harmful environmental impacts. This paper investigates the linkages between eco-innovation strategy, governmental environmental regulations, and enterprises' sustainable growth considering the moderation effect of managerial environmental concern. A mediation-moderation model is proposed to test the direct and indirect effects. We harness partial least squares path modelling to examine how eco-innovation affects sustainable business growth in the Tunisian agricultural and agri-food sectors. The findings reveal that (1) management environmental concerns and government environmental regulations have a positive impact on eco-innovation strategies; (2) eco-innovation strategies significantly mediate the relationship between government environmental regulations and enterprises' sustainable business growth; and (3) managerial environmental concern has a significant moderating effect on the mediation model.The heavy metal sources of large-scale raceway pond microalgae cultivation with flue gas were investigated to reduce heavy metal contents in microalgae during cultivation. The microalgae were cultivated with power plant flue gas (as C source) and circulating cooling seawater (added with N and P nutrients) for 6 days. The Pb, Cd, Hg, and As contents in microalgae were 0.91, 0.22, 0.08, and 0.28 ppm, respectively, which are nearly within the available national standard for food-grade microalgae. The heavy metal contents in microalgae with two membrane materials, namely, elastic polyethylene and random copolymer polypropylene, barely increased. The Hg, As, and Pb contents in microalgae cells cultivated with pure CO2 were 16.67%, 69.23%, and 70.33% that of cells cultivated with CO2 from flue gas. The Pb, As, and Hg contents in cells cultivated with fresh water were reduced by 38.46%, 15.38%, and 37.50%, respectively, compared with those cultivated with seawater. The heavy metal contents in microalgae were further reduced and controlled.
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