Ablation mechanisms of bulk Nb4AlC3 ceramics at 1600–2200 °C in nitrogen plasma flame by Ye Yu, Hao Zhang, Zhen Teng, Yiwang Bao, Man Jiang, Longsheng Chu, Qingguo Feng, Chunfeng Hu

“…The surface of the ablated Nb4AlC3 underwent decomposition and oxidation reactions, forming oxides (NbO2, Nb2O5, and Al2O3) on the surface. Simultaneously, NbO2 reacted with Al2O3 to form molten AlNbO4, which adhered to the surface and provided protection to the substrate. …”
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MECHANICAL STRENGTH ANALYSIS OF PERMANENT MAGNET COMPONENTS by WANG ZiMin, DENG ZhiGang

“…The results show that Zr O2 should be added at 0. 10% 0. 20% with oxygen content at 9% 10% and pre-sintering temperature at 1 290 ℃ 1 310 ℃ for 2-hour preservation. …”
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Enhanced Light Harvesting in Dye-Sensitized Solar Cell Using External Lightguide by Chi-Hui Chien, Ming-Lang Tsai, Chi-Chang Hsieh, Yan-Huei Li

“…The EL attached to the exterior of a DSSC photoelectrode directed light on a dye-covered nanoporous TiO2 film (D-NTF) of the photoelectrode. Experimental tests confirmed that the EL increased the light-harvesting efficiency of a DSSC with an active area of 0.25 cm2 by 30.69%. …”
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Optimization Analysis of Mechanical Properties of Fly Ash-Based Multicontent Gasification Slag Paste Filling Material by Denghong Chen, Tianwei Cao, Ran Chen, Chao Li

“…XRD patterns reveal that the main components of four solid wastes and cement are SiO2 and Ca3SiO5, and the chemical composition of desulfurization gypsum is Ca(SO4)(H2O)2. …”
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Emisión de gases en un sistema ganadero intensivo by M.L. GUZMÁN, J.H. VENECIANO, R.L. SAGER

“…Para ello, se realizó una incubación in vitro , bajo diferentes condiciones de aireación (aerobiosis y anaerobiosis) del suelo proveniente de un sistema de engorde a corral y se monitoreó, cada 48 h durante un periodo de 216 h, la generación de gases metano (CH 4 ), monóxido de carbono (CO), dióxido de carbono (CO 2 ) y oxígeno (O 2 ). También se efectuaron mediciones a campo en distintas áreas de dicho sistema (corrales con y sin animales, trampa de sólidos, laguna aeróbica y anaeróbica) de los gases CH 4 , CO, CO 2 y oxígeno (O 2 ), con equipos portátiles adaptados a las condiciones propias del sistema productivo intensivo (Reike Keiki RH -515 y Eagle 2). …”
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The Simplest Way to Iodine-Doped Anatase for Photocatalysts Activated by Visible Light by Václav Štengl, Tomáš Matys Grygar

“…Iodine-doped TiO2 was prepared by thermal hydrolysis of aqueous solutions of the titanium peroxo-complex, which includes no organic solvents or organometallic compounds. …”
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A Supported Nickel Phthalocyanine Complex as a Selective Catalyst for the Production of Styrene by Salah A. Hassan, Afaf A. Zahran, Fatma Z. Yehia

“…The selectivity towards styrene was found to depend strongly on the NiPc surface area and the degree of dispersion. The activity was a function of the whole structure including modifications of both acid sites through different interactions and of the pore system through a penetration mechanism.…”
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Accurate identification of oxygen desaturation status in COPD by using classifier ensemble. by Yue-Fang Wu, Xin Shu, Shiqi Wang, Xiaojun Xu, Pei-Li Sun

“…The comparative computational results on the 6-min walk test (6MWT) of the recruited participants show that the proposed method achieved the best global performance with AUC (Area Under Curve) value of 0.8532, indicating that the proposed method can be effectively used for the identification of EIOD and could assist the clinic diagnosis of COPD.…”
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Modeling of copper ions adsorption onto oxidative-modified activated carbons by LM Grishchenko, VE Diyuk, OP Konoplitska, VV Lisnyak, RT Maryichuk

“…In this work, the adsorption of copper ions onto activated carbons that oxidatively modified with H 2 O 2 and HNO 3 was studied. The prepared sorbents with the surface area of 275–780 m 2 /g contain 0.53–3.77 mmol/g of oxygen-containing groups. …”
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Predictive modelling and identification of critical variables of mortality risk in COVID-19 patients by Olawande Daramola, Tatenda Duncan Kavu, Maritha J. Kotze, Jeanine L. Marnewick, Oluwafemi A. Sarumi, Boniface Kabaso, Thomas Moser, Karl Stroetmann, Isaac Fwemba, Fisayo Daramola, Martha Nyirenda, Susan J. van Rensburg, Peter S. Nyasulu

“…Also, Age at admission, Pf ratio (PaO2/FiO2 ratio), troponin T (TropT), ferritin, ventilation, C-reactive protein (CRP), and symptoms of acute respiratory distress syndrome (ARDS) were associated with the severity and fatality of COVID-19 cases. …”
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Assessment of salicylic acid and potassium nitrate to mitigate frost stress in autumn-sown potato crop cv. Sutlej by Muhammad Wasim Haider, Syed Mohsin Abbas, Tanveer Hussain, Muhammad Tahir Akram, Umar Farooq, Mona S. Alwahibi, Mohamed S. Elshikh, Zaid Shakeel, Muhammad Nafees, Muhammad Rizwan, Rashid Iqbal

“…This included increased plant height by 14% and 17.6%, leaf area index by 6.3% and 26.3%, shoot biomass by 15.4% and 46.2%, crop growth rate by 16.7% and 43.3%, average tuber weight by 8.2% and 23%, tuber diameter by 6.8% and 12.2%, tuber yield by 26.1% and 46.3%, leaf angle by 16.2% and 21.6%, quantum yield of photosystem II by 20.6% and 28.2%, photosynthetically active radiations by 20.5% and 32.4%, chlorophyll content by 6.3% and 14.6%, leaf thickness by 14% and 29%, linear electron flow by 20% and 32.7%, O–2 by 6% and 14.4%, H2O2 by 11.7% and 27.6%, enzyme activities of catalase by 20.7% and 28.5%, superoxide dismutase by 28.6% and 28.5%, peroxidase by 8.3% and 13.5%, ascorbate peroxidase by 17.2% and 37.8%, total protein by 21% and 37%, proline by 36.2% and 114%, and phenolic content by 33% and 63.3% with a reduction in non-photochemical quenching by 12.7% and 29.6%, non-regulatory energy dissipation by 169.5% and 268.5%, and leaf electrolyte leakage by 57.5% and 180%, compared to KNO3 and the control, respectively. …”
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Changes in soil chemical composition due to the influence of seawater and its effect on geotechnical investigations by Widiarso Dian Agus, Qadaryati Nurakhmi, Winarno Tri

“…North coast area of Semarang affected by the effect of seawater intrusion due to excessive groundwater pumping and seawater level rise, which impacted to characteristics of sediment and even the environment. …”
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Characterization of Fly Ash Generated from Matla Power Station in Mpumalanga, South Africa by Olushola S. Ayanda, Olalekan S. Fatoki, Folahan A. Adekola, Bhekumusa J. Ximba

“…The fly ash was characterized by x-ray fluorescence, x-ray diffraction, scanning electron microscopy, and inductively coupled plasma mass spectrometry. Surface area, particle size, ash and carbon contents, pH, and point of zero charge were also measured. …”
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Preparation of Nickel Nanocatalysts and Application to the Hydrodechlorination of 3-Chlorophenol under Liquid Phase by Thanh Thien Co, Thi Kim Anh Tran, Thi Huong Ly Doan, Thi Duyen Diep

“…Nickel nanoparticles were successfully synthesized via the reduction of nickel salt using ethylene glycol (EG) and sodium borohydride (NaBH4) as reducing agents. These nickel nanoparticles were then loaded on the supports as Ni-X (X = vanadium phosphorus oxides (VPO), TiO2, and ZnO) in high loading yield. …”
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Removal of Pb(II) from Aqueous Solutions with Manganese Oxide-Modified Diatomite by Huynh Thanh Danh, Nguyen Thi Truc Ly, Vanthan Nguyen, Dinh Quang Khieu, Pham Dinh Du

“…In the present work, natural diatomite modified with manganese oxide (MnO2) was prepared via direct redox reaction with KMnO4 and HCl. …”
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Preparation of Copper Nanoparticles/Diatomite Nanocomposite for Improvement in Water Quality of Fishponds by Truong Thi Hanh, Nguyen Thuy Lan Chi, Nguyen Ngoc Duy

“…Diatomite (DA) with the main component of silica (SiO2) was chemically modified by amine groups of the coupling agent 3-amino propyl triethoxysilane (APTES) before deposition of Cu2+ ions. …”
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Experimental Study on the Distribution Trends of Fouling on a Compressor Blade by Jie Tang, Dianrong Gao, Liwen Wang, Jinjian Huo

“…The surface of a single blade can be divided into four different fouling areas. The parameters of the engine cleaning process can be designed according to the characteristics of the fourth area.…”
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The Effect of Calcium Doping on the Surface and Catalytic Properties of Cobaltic Oxide Catalysts by Nasr-Allah M. Deraz

“…The catalytic activity for H 2 O 2 decomposition on cobaltic oxide calcined at 400–700°C was found to decrease considerably on doping with CaO. …”
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Surface and Catalytic Properties of NiO–FeO Solids Supported on AlO by G.A. El-Shobaky, A.M. Ghozza, N.M. Deraz

“…The catalytic activities of the various solids were studied using the oxidation of CO by O 2 at temperatures in the range between 150°C and 400°C. …”
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Microwave-Assisted Digestion Using Dilute Nitric Acid and Hydrogen Peroxide for Multielement Determination in Wheat Flour by ICP-MS by Ibrahim A. Alhagri, Mosa Albeshry

“…The results of the study showed that the level of minerals in wheat grown in desert areas is higher than in other areas. The concentrations of macroelements and microelements in the Al-Qassim samples exceeded those of the imported samples by 12.41% and those of the samples from other countries by 33.90%. …”
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