Electrostatic charged nanofiber filter for filtering airborne novel coronavirus (COVID-19) and nano-aerosols [0.03%]
用于过滤空气中新型冠状病毒（COVID-19）和纳米气溶胶的静电荷纳米纤维滤膜
Wallace Woon Fong Leung,Qiangqiang Sun
Wallace Woon Fong Leung
The World Health Organization declared the novel coronavirus (COVID-19) outbreak as a pandemic on March 12, 2020. Within four months since outbreak in December 2019, over 2.6 million people have been infected across 210 countries around the...
Ultrasound-assisted extraction of five isoflavones from Iris tectorum Maxim [0.03%]
ultrasound辅助提取 Iris tectorum Maxim中的五种异黄酮
Yinshi Sun,Zhengbo Liu,Jianhua Wang
Yinshi Sun
This study investigated the use of ultrasound-assisted extraction (UAE) to improve the extraction efficiency of the classical solvent extraction techniques such as maceration extraction (ME) and soxhlet extraction (SE) to extract five isofl...
Investigation on ultrasound assisted extraction of saikosaponins from Radix Bupleuri [0.03%]
超声辅助提取北沙参中柴胡皂苷的研究
Shuna Zhao,Kin-Chor Kwok,Hanhua Liang
Shuna Zhao
Ultrasound assisted extraction (UAE) of saikosaponins from Radix Bupleuri (Bupleurum Chinense DC) was studied. The effects of various factors such as time (t), temperature (T), ultrasound power (I), particle size (S), solvent to solid ratio...
Enhanced nano-aerosol loading performance of multilayer PVDF nanofiber electret filters [0.03%]
具有多层PVDF纳米纤维驻极体滤材的增强型纳膜负载性能
Qiangqiang Sun,Wallace Woon-Fong Leung
Qiangqiang Sun
Aerosol loading behavior of PVDF nanofiber electret filters using neutrally charged nano- and submicron aerosols was investigated experimentally for the first time. The loading behavior include variations of filtration efficiency and pressu...
Skin layer in cyclic loading-cleaning of a nanofiber filter in filtering nano-aerosols [0.03%]
纳米纤维滤器过滤纳米气溶胶时的循环加载-清洗过程中的皮肤层效应研究
Wallace Woon-Fong Leung,Curie Wing Yi Hau
Wallace Woon-Fong Leung
Nano-aerosols from viruses to virgin pollutant particulates from combustion, 100 nm or smaller, are harmful to our health as they penetrate readily into our body causing various diseases. Nanofiber filter can capture effectively these nano-...
Experimental investigation of backpulse and backblow cleaning of nanofiber filter loaded with nano-aerosols [0.03%]
纳米 aerosol 负载下滤筒过滤器的背脉冲和背吹清灰试验研究
Curie Wing-Yi Hau,Wallace Woon-Fong Leung
Curie Wing-Yi Hau
Nanofibrous filter have been proven effective to remove nano-aerosols with size less than 100 nm. Cleaning is required after long-term use; however, very little has been published on the subject. An experimental investigation has been launc...
Degradation of trichloroethylene in aqueous solution by nanoscale calcium peroxide in the Fe(II)-based catalytic environments [0.03%]
纳米级过氧化钙在亚铁离子催化体系中降解三氯乙烯性能及其机理研究
Yong Sun,Shuguang Lyu,Mark L Brusseau et al.
Yong Sun et al.
In this study, nCaO2 was synthesized successfully and applied in the Fe(II)-based catalytic environments in investigating trichloroethylene (TCE) removal performance. nCaO2 with the particle sizes in the range of 50-200 nm was prepared, and...
Selective molecular separation of lignin model compounds by reduced graphene oxide membranes from solvent-water mixture [0.03%]
还原型石墨烯氧化物膜选择性分离溶剂水中木质素模型化合物
Ashish Aher,Rupam Sarma,Mark Crocker et al.
Ashish Aher et al.
Selective separation of lignin depolymerization products is key to fractionating and isolating high-value aromatic compounds from the depolymerization process. The primary aim of this study was to synthesis graphene oxide (GO) membranes for...
Valorization of olive tree leaves: Extraction of oleanolic acid using aqueous solutions of surface-active ionic liquids [0.03%]
橄榄树叶的综合利用：使用表面活性离子液体水溶液提取熊果酸
Ana Filipa M Cláudio,Alice Cognigni,Emanuelle L P de Faria et al.
Ana Filipa M Cláudio et al.
The global olive oil industry annually generates approximately 750,000-1,500,000 tons of Olea europaea leaves as waste that are typically burned for energy production. Yet, this agricultural by-product is a rich source of oleanolic acid, a ...
Economic evaluation of the primary recovery of tetracycline with traditional and novel aqueous two-phase systems [0.03%]
传统和新型水两相体系初提取四环素的经济评价研究
Mario A Torres-Acosta,Jorge F B Pereira,Mara G Freire et al.
Mario A Torres-Acosta et al.
Antibiotics are a key pharmaceutical to inhibit growth or kill microorganisms. They represent a profitable market and, in particular, tetracycline has been listed as an essential medicine by the WHO. Therefore it is important to improve the...