Search

In response to the issue of corrosion prevention in offshore wind farms，by collecting existing industry standards and specifications，combined with the characteristics of Chinese marine environment，a comparison and applicability analysis of relevant standards were conducted.The more applicable corrosion prevention standards for offshore wind farms were summarized and discussed from the following aspects: First，the current mainstream anti-corrosion technologies and their applications situation，including metal surface treatment and anticorrosive coatings，were examined；second，the characteristics of the operating environment of offshore wind power plants in coastal and ocean-going areas，as well as their differentiated needs on corrosion prevention technologies，were analyzed，and applicable corrosion prevention standards for different regions were put forward；third，the selection principles and performance evaluation indexes of anti-corrosion materials，including the assessment methods for the anti-corrosion performance of single materials and composite materials，were analyzed；fourth，the need to strengthen the performance evaluation of anti-corrosion materials and the formulation and updating of standards for ocean-going wind farms was emphasized.The research results were of great significance in promoting the sustainable development of offshore wind farms in China and improving the level of anti-corrosion protection technology.

Effects of contact glow discharge plasma on the germination of Alfalfa (Medicago sativa L.) seeds and treatment processing were investigated. Firstly, the influence of contact glow discharge plasma on the germination of Medicago sativa seeds was investigated under different times, voltages, and gas atmospheres. Then, on the basis of the single-factor experiment, the seed treatment process was optimized by response surface optimization design based on the indexes of seed germination rate and vigor index. The results showed that the germination rate of treated seeds reached 93%, the content of photosynthetic pigment and the intensity of photosynthesis in the leaves increased significantly, and the net photosynthetic rate increased by 98.4% under optimized conditions of 30 min, 540 V, and N2. All results indicate that contact glow discharge plasma can promote Alfalfa seed germination and growth, and improve seed physiological activity, thereby providing a theoretical basis for further research into new seed treatment technologies.

A Rh‐catalyzed asymmetric hydroboration of dialkyl ketone‐derived silyl enol ethers with HBpin has been developed using a commercially available catalyst and ligand ([RhCl (cod)]2 and MeO‐BIBOP). A variety of silyl enol ethers undergo this asymmetric transformation, providing the corresponding products with high enantioselectivity (up to 97 : 3 % er). In addition, the utility of this protocol is demonstrated by the versatile transformation of chiral borylether products to a range of valuable derivatives. [ABSTRACT FROM AUTHOR]

Controlling the optical activity of halide perovskite materials through modulation of the coordination configurations of the metal ions is important. Herein, a novel manganese‐based halide, specifically diaquatetrakis(methyldiphenylphosphine oxide)manganese(II) tetrachloridomanganate(II), [Mn(C13H13OP)4(H2O)2][MnCl4] or [Mn(MDPPO)4(H2O)2][MnCl4] (MDPPO is methyldiphenylphosphine oxide), was synthesized through the solvothermal reaction of MnCl2 with the neutral molecule MDPPO. In this compound, [Mn(MDPPO)4(H2O)2]2+ acts as the cation, while [MnCl4]2− serves as the anion, enabling the co‐existence of tetrahedral and octahedral structures within the same system. Remarkably, the compound exhibits efficient red‐light emission at 662 nm, distinct from the green‐light emission typically observed in MnX4‐based halides. Theoretical calculations show that the red emission comes from the charge transfer from the MDPPO to the Mn2+ of [MnCl4]2−. This work provides a new perspective for the design and synthesis of red‐light‐emitting manganese‐based halides with unique structures. [ABSTRACT FROM AUTHOR]

A new efficient method for the synthesis of a high ratio of E -alkenes from E / Z mixtures of alkenes with B2 pin2 in the presence of a rhodium catalyst is described. This reaction features mild reaction conditions, broad functional group tolerance, and highly great application potential. [ABSTRACT FROM AUTHOR]

Aquatic viral diseases pose significant threats to aquaculture, necessitating the exploration of effective preventive measures. In this study, we evaluated the antiviral potential of Cinnamomum cassia (L.) D. Don (CCD) aqueous extracts against Micropterus salmoides rhabdovirus (MSRV) in largemouth bass aquaculture. Initially, twelve plant extracts were screened for antiviral activity against MSRV, revealing that CCD extracts at 100 mg/L concentration significantly inhibited MSRV proliferation in vitro. Further dose-response analysis revealed a concentration-dependent antiviral effect of CCD extracts, with higher concentrations demonstrating increased efficacy against MSRV. Subsequent investigations focused on the protective effects of CCD extracts on MSRV-infected cells. At a concentration of 63 mg/L, CCD extracts significantly reduced MSRV titers, preventing the onset of cytopathic effects (CPE) in cells. Fluorescence and transmission electron microscopy further illustrated the protective effects of CCD extracts on cellular morphology. MSRV-infected cells treated with CCD exhibited preserved cell morphology akin to normal cells, contrasting with the typical apoptotic features observed in untreated infected cells. Additionally, dietary supplementation of CCD extracts in largemouth bass demonstrated notable benefits. Fish fed with CCD extracts exhibited increased survival rates when infected with MSRV, with a 26 % higher survival rate compared to the virus-only group. Furthermore, CCD supplementation enhanced the expression of interferon-gamma (IFNγ), indicating improved immune responses in largemouth bass. Moreover, immersion of CCD extracts in water showed partial inhibition of horizontal MSRV transmission, effectively reducing viral spread and mitigating disease risks in fish populations. These findings highlight the potential of CCD aqueous extracts as feed additives for combating MSRV in aquaculture, showcasing their promising application prospects in disease prevention and control strategies. • CCD aqueous extracts exhibit potent antiviral effects against MSRV. • Feeding CCD enhances largemouth bass survival and immune response. • Potential for CCD as a natural remedy and feed additive in MSRV control. [ABSTRACT FROM AUTHOR]