Methanol regulation of some biochemical and physiological characteristics in plants has been documented in several references. This study showed that the pretreatment of methanol with an appropriate concentration could stimulate the HCHO uptake by black soybean (BS) plants. The process of methanol-stimulated HCHO uptake by BS plants was optimized using the Central Composite Design and response surface methodology for the three variables, methanol concentration, HCHO concentration, and treatment time. Under optimized conditions, the best stimulation effect of methanol on HCHO uptake was obtained. C-NMR analysis indicated that the HCHO metabolism produced HCOOH, [2-C]Gly, and [3-C]Ser in BS plant roots. Methanol pretreatment enhanced the metabolic conversion of HCHO in BS plant roots, which consequently increased HCHO uptake by BS plants. Therefore, methanol pretreatment might be used to increase HCHO uptake by plants in the phytoremediation of HCHO-polluted solutions.
By analyzing the literature published by Ling Yao, Tang Yuewen, Fu Zhaogang, and other case studies, the paper compares and compares typical cases and successful experiences of innovation and entrepreneurship education in business administration majors in applied universities at home and abroad. Enlightenment from the Enlightenment Significance of Innovation and Entrepreneurship Education of Application -oriented Business Management Majors in Colleges and Universities under the Situation of Popular Entrepreneurship and Innovation.Based on the analysis of the connotation of entrepreneurial ability, this thesis puts forward the problems in the cultivation of entrepreneurial abilities in the business administration majors of applied universities, and then explores the cultivation path of entrepreneurial ability.
In this study, the feasibility of a new chemical agent named zero-valent iron (ZVI or Fe0) was used to investigate for removal of NH4+-N from coking wastewater. Reaction pH, dose of Fe0, initial NH4+-N concentration and temperature were considered variable parameters. The pH was observed as the major critical parameter. The removal rate of NH4+-N decreased as the pH increased from 3 to 6 and then increased from pH 6 to pH 9. At pH of 8.0 about in coking wastewater, the NH4+-N removal might be depended on the types and quantity of corrosion products on the surface of Fe0. The removal rate of NH4+-N increased with increase of temperature in the studied range of 10–60°C. At an initial NH4+-N concentration of 134.17 mg/L, Fe0 concentration of 6 g/L, temperature of 60°C and initial pH of 8.0, the removal rate of NH4+-N increased to 54.94%. The dose of Fe0 is determined according to the nitrogen content in coking wastewater.
Some new information on the genus Lethe Hübner, 1819 from Nujiang (upper Salween) valley, western Yunnan is provided. Lethe laodamia Leech, 1891 is recorded from this area for the first time, which turned out to be a new subspecies and described herein, viz. L. laodamia murasameae S.-Y. Huang & Lang ssp. n. Little known Lethe liae Huang, 2002 is rediscovered, and its relationship with its allied taxa is discussed. Adults and male genitalia of the aforementioned and related taxa are illustrated.
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