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Comparison of Extraction Methods for Anthocyanins from Fruit of Rubus coreanus Maq. and Optimization of Microwave-Assisted Extraction Process(插田泡果实花色苷萃取方法比较及微波萃取条件优化) [PDF]
In order to improve the extraction methods and the yield of anthocyanins from fruit of Rubus coreanus Maq., the effects of microwave-assisted extraction, ultrasonic-assisted extraction and ultrasonic-microwave synergistic extraction on the yield of ...
JIANG Huamei(蒋华梅) +2 more
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微波反应具有加热速率快、选择性加热、加热均匀等优势,已成功用于制备微波生物炭。主要分析了原料组成、湿度、粒径、热解温度及时间、微波功率、微波吸收剂等因素对微波生物炭产量和质量的影响。在此基础上,综述了微波生物炭在环境修复领域的应用研究进展,结果表明微波生物炭是水中重金属离子、染料的优良吸附剂,对改善土壤理化性质、促进植物生长等方面可起到重要作用。最后分析了目前研究中存在的不足及未来的发展方向。
王林 +4 more
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平流层臭氧浓度对于地球气候变化和生态环境有着重要影响. 具有谱分析能力的高光谱毫米波辐射计是一种用来探测大气痕量气体的被动式微波遥感器, 能够有效探测大气臭氧垂直廓线, 在空间地球科学领域中具有十分重要的应用价值. 本文研制了一种探测平流层大气臭氧吸收谱线的新型高光谱毫米波臭氧辐射计系统, 该系统结构包括射频接收机和数字后端谱分析仪.
班 磊, 何 杰颖, 张 升伟
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采用微波调理、超声波调理以及微波-超声联用调理技术对铝加工污泥进行了实验,通过改变微波功率、微波时间、超声时间等因素,研究污泥含水率和损耗比的变化情况。结果表明,微波单独调理,微波功率为400 W,微波辐射时间为40 s时,污泥含水率从90%降至最低为74.87%;超声波单独调理,超声时间为8 min时,污泥含水率从90%降至最低为77.57%;微波-超声联用调理时,微波功率为400 W,微波辐射时间为40 s,超声时间为4 min时,污泥含水率从90%降至74.09%。
吴建 +4 more
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ABSTRACT To address the demand for high‐temperature stability, broadband strong absorption, and multifunctional integration of electromagnetic wave absorbing materials in complex service environments, lightweight molybdenum disulfide (MoS2) decorated silicon carbide (SiC) nanofiber composite aerogels with a directional layered interconnected structure ...
Zhi Song +4 more
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ABSTRACT The growing deployment of high‐frequency electronic systems has intensified the demand for high‐performance microwave absorption materials. In this work, we developed La‐V co‐substituted barium hexaferrites, Ba1‐xLaxFe11.9V0.1O19 (BLFVO), via a sol‐gel route.
Zhihui Yang +7 more
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ABSTRACT Interface polarization enhancement and impedance matching optimization are the keys to improving the comprehensive performance of microwave absorbing materials (MAMs). Herein, a green synthesis strategy integrating sacrificial template self‐etching, hydrothermal reaction, and annealing treatment is proposed to successfully fabricate urchin ...
Zhenzhen Tian +8 more
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油菜籽微波预处理的干燥动力学及模型研究Drying kinetics and model of rapeseed by microwave pretreatment
为了探明油菜籽微波预处理过程中的水分变化情况,建立油菜籽微波预处理干燥模型,对油菜籽在料层厚度12 mm、不同微波功率(1.0、1.5、2.0 kW)以及微波功率1.5 kW、不同料层厚度(6、12、18 mm)下预处理后的含水率、水分比和失水速率的变化情况进行了研究,并以常用的3种干燥模型指数模型、单项扩散模型和Page模型进行了数据拟合。结果表明:微波功率越高、料层越薄,油菜籽水分流失越快,微波预处理时间越短;微波预处理过程中油菜籽水分变化情况与Page模型拟合度最好。 In order to ...
杨博,刘昌盛,李文林,王未君,曾仕林 YANG Bo,LIU Changsheng,LI Wenlin,WANG Weijun,ZENG Shilin
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ABSTRACT MXenes have been widely investigated as microwave absorption (MA) materials because of their unique properties. This study introduces a terminal bond manipulation strategy to enhance charge transfer and polarization in Ti3C2Tx, optimizing its MA performance.
Xiang Fang +8 more
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ABSTRACT Metal oxide‐based catalysts for oxygen reduction reaction (ORR) have drawn great attention in recent years. However, it remains technically challenging for the precise regulation of the overall performance due to the trade‐off effect among the activity, selectivity, and stability of electrocatalysts. Herein, a balancing strategy to control the
Haoran Ma +7 more
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