Results 11 to 20 of about 189,726 (143)
Zhongguo youzhi旨在为大豆油精炼中脱色剂的应用提供参考，以大豆碱炼油和3种常用脱色剂活性白土、凹凸棒土、中性膨润土为原料，考察了3种脱色剂对大豆油的脱色、脱皂和脱磷脂能力。结果表明：活性白土、凹凸棒土、中性膨润土添加量超过2%后，脱色率上升速率变慢；脱色剂添加量为3%时，活性白土、凹凸棒土、中性膨润土脱色率分别为92.1%、86.9%、90.7%；大豆碱炼油在426、450、479、665 nm波长处有吸收峰，可通过油样在上述4个波长处吸光度的变化来考察脱色剂的脱色能力;脱色剂添加量为1%时，活性白土、凹凸棒土 ...
王宏平，孙日飞，何立军，马莉，蒋甜燕，邵彦智WANG Hongping, SUN Rifei, HE Lijun, MA Li, JIANG Tianyan, SHAO Yanzhi
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, 2017 采用正交实验研究了米糠毛油脱胶工艺，得到的酸法脱胶工艺最佳条件为磷酸添加量0．3％、脱胶温度70℃、加水量3％、反应时间40min，此时米糠油脱胶率为87．7％。在此基础上，采用单因素实验考察了酸化凹凸棒土添加量、脱色温度、脱色时间对脱色率的影响。结果表明：在酸化凹凸棒土添加量5％、脱色温度110℃、脱色时间30min条件下，米糠油脱色率达到96．6％
王璨 +4 more
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International humanitarian narratives of disasters, crises, and Indigeneity
Disasters, Volume 47, Issue 4, Page 913-941, October 2023., 2023 Narratives are a means of making sense of disasters and crises. The humanitarian sector communicates stories widely, encompassing representations of peoples and events. Such communications have been critiqued for misrepresenting and/or silencing the root causes of disasters and crises, depoliticising them.
Anuszka Mosurska +4 more
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Veterinary Dermatology, Volume 34, Issue 3, Page 222-234, June 2023., 2023 Background – Mycophenolate mofetil (MMF) is the prodrug of mycophenolic acid (MPA) which acts as an immunosuppressive agent. During the biotransformation of MMF to MPA, additional metabolites including MPA phenol glucuronide (MPAG), MPA acyl glucuronide (AcMPAG) and MPA phenol glucoside (MPG) are formed.
Dylan L. Burroughs +6 more
wiley +1 more source
蒙脱土对植物油脱色效果的综合评价Comprehensive evaluation of the bleaching effect of montmorillonite on vegetable oil
, 2022 为了开发高效、环保的食用油脱色剂，以一种环保方法（半干法）生产的蒙脱土为研究对象，研究其在不同脱色条件（脱色温度、脱色时间和脱色剂添加量）下对大豆油、葵花籽油和菜籽油品质的影响。结果表明：该蒙脱土具有吸附色素和过氧化物从而降低油脂红值和过氧化值的作用，与脱色前相比，大豆油、葵花籽油和菜籽油的红值最大降幅分别为77.4%、92.3%和87.2%，过氧化值最大降幅分别为82.7%、83.2%和91.2%；蒙脱土用于3种植物油的脱色，植物油中总甾醇和总生育酚含量下降，而酸值总体上缓慢上升。进一步研究发现 ...
黄俊圻1，张海龙1，2，吕晓雅1，谌刚3，胡勇杰3， 李冰4，龚任4，齐玉堂1,2，张维农1,2 HUANG Junqi1, ZHANG Hailong1,2, LYU Xiaoya1, CHEN Gang3, HU Yongjie3, LI Bing4 , GONG Ren4, QI Yutang1,2, ZHANG Weinong1,2
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Rare Metals, Volume 45, Issue 10, October 2026.ABSTRACT Photocatalytic acetylene (C2H2) semihydrogenation is a green route for ethylene (C2H4) production, yet the activity–selectivity trade‐off caused by imbalanced adsorption/activation of reactants and products remains a core challenge. Herein, we realize precise regulation of Pd oxidation states (Pd0, Pdδ+, and Pd2+) on anatase TiO2 nanocubes via
Zhidan Wang +7 more
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Scientists’ warning on the global destruction of rock outcrop ecosystems
Conservation Biology, Volume 40, Issue 5, October 2026.Abstract Rock outcrops are geological formations that harbor a highly specialized biota adapted to harsh environmental conditions that differ from their surrounding landscapes. They are globally distributed, especially in old, highly weathered landscapes, and can function as habitat islands containing high levels of endemism and distinct evolutionary ...
Luiza F. A. de Paula +19 more
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Rare Metals, Volume 45, Issue 9, September 2026.ABSTRACT The development of high‐performance and cost‐effective oxygen evolution reaction (OER) electrocatalysts is critical for the large‐scale deployment of green hydrogen technologies. Among various candidates, amorphous alloys have emerged as promising OER catalysts owing to their long‐range disordered atomic structures, high energy states, and ...
Bo Li +10 more
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Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT The development of structurally stable anodes with high capacities and long cycle lives is essential for the development of potassium–ion batteries. Conversion‐type anodes have attracted considerable attention in potassium–ion batteries (PIBs) due to their high theoretical capacities.
Jeong Ho Na +7 more
wiley +1 more source
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT LiBH4 has drawn significant attention due to its high theoretical hydrogen storage capacity of 18.5 wt%, yet its practical application is hindered by the harsh dehydrogenation conditions. This paper proposes a strategy integrating ensemble learning with density functional theory (EL–DFT) for rapidly screening modified LiBH4 systems that ...
Zishan Luo +11 more
wiley +1 more source