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Rosin-based porous heterogeneous catalyst functionalized with hydroxyl groups and triazole groups for CO2?chemical conversion under atmospheric pressure condition
Rosin-based porous polymers CO2 Cyclic carbonates Atmospheric pressure
2023/12/15
Development of efficient, green and recyclable?heterogeneous catalysts?for the chemical conversion of CO2?into cyclic carbonates with excellent yields under atmospheric pressure condition is still a v...
Chemical aspects of polymer recycling
Polymer recycling Chemical recycling Commodity polymers
2023/12/5
Since recycling of polymers is a preferred means of reducing unwanted wastes and land-filling activity, and recovering monomers or other materials of economic value, tertiary methods of recycling (che...
多孔有机聚合物 (POPs) 是一类由有机建筑单元通过共价键连接构成的多孔网络材料。根据其结构特征和制备方法，POPs可分为固有微孔聚合物 (PIMs)、超交联聚合物 (HCPs)、共轭微孔聚合物 (CMPs)、共价有机骨架 (COFs)、共价三嗪骨架 (CTFs)、多孔芳香骨架 (PAFs) 等类型。POPs通常具有高表面积、可调节孔隙、可设计组成及结构、易修饰等特性。此外，POPs一般由轻质元...
浙江大学生命科学研究院2021年11月1日任艾明实验室在Nature Chemical Biology发文揭示新型RNA荧光适配体Pepper的结构以及配体识别机制（图）
任艾明 配体识别机制 晶体结构 染料配体
2022/10/25
2021年11月1日，浙江大学任艾明课题组与华东理工大学杨弋课题组合作在Nature Chemical Biology杂志上发表题为“Structure-based investigation of fluorogenic Pepper aptamer”的研究论文，报道了新型RNA荧光适配体Pepper与染料配体HBC以及其六种类似物的晶体结构，揭示了不含G-四联体的Pepper适配体识别染料配...
Effects of different additives on the chemical composition and microbial diversity during composting of Camellia oleifera shell
chemical composition microbial diversity Camellia oleifera shell
2023/6/2
The influence of three additives including Camellia oleifera meal, C. oleifera seed cake and goat dung during the C. oleifera shell composting was evaluated. The result of physic-chemical parameters i...
Designing high-performance Pt-based catalysts with low catalysts cost is still a great challenge. Here, we demonstrate a facile electrolysis-solvothermal technique for making Pt and carbon...
近日，常州大学石油化工学院陈群研究员课题组在新型医用可降解聚酯材料及产业化关键技术研发过程中，创新性提出了布朗斯特酸和路易斯酸协同催化环脂开环聚合机理，为无毒、高效聚合催化剂的设计开发奠定了基础。该工作以金属-有机自组装为策略，构筑了生物相容性金属-有机框架材料，实现了高效催化环脂本体开环聚合。通过理论计算并结合原位漫反射傅立叶变换红外光谱和基质辅助激光解吸电离飞行时间质谱等多种验证手段，提出并验...
Improvements of Thermal and Thermochemical Properties of Rosin by Chemical Transformation for Its Use as Biofuel
Rosin Isomerization Reduction Esterification Properties estimation
2024/2/29
The use of raw materials from renewable sources has become an important topic for different industries. Pine oleoresin is one of the most important renewable sources. It is composed of a broad range o...
ESTIMATION OF SATELLITE-BASED SO42− AND NH4+ COMPOSITION OF AMBIENT FINE PARTICULATE MATTER OVER CHINA USING CHEMICAL TRANSPORT MODEL
PM2.5 chemical components sulfate ammonium satellite-estimated chemical transport model
2018/5/15
Epidemiologic and health impact studies have examined the chemical composition of ambient PM2.5 in China but have been constrained by the paucity of long-term ground measurements. Using the GEOS-Chem ...
Review of surfactant-assisted chemical enhanced oil recovery for carbonate reservoirs: challenges and future perspectives
Oil reserves Original oil in place Carbonate formations Surfactants Chemical enhanced oil recovery
2018/4/2
A significant fraction of the conventional oil reserves globally is in carbonate formations which contain a substantial amount of residual oil. Since primary and secondary recovery methods fail to yie...
Extraction, Fractionation, and Chemical Characterisation of Fucoidans from the Brown Seaweed Sargassum pallidum
brown seaweed Sargassum pallidum fucoidan extraction cytotoxic activity
2016/12/9
The fucoidans were obtained by extraction with water and gradient precipitation with different concentrations of ethanol. The main structural characterisations and bioactivities were achieved. Four fr...
Effect of Water Activity on the Physico-chemical, Microbiological and Sensory Qualities of Buffalo Meat Sausage Stored under Ambient Temperature
Physico-chemical Microbiological
2016/5/27
The study was undertaken to find the effect of water activity on buffalo sausage quality and storage stability at ambient temperature. Water activity (aw), temperature and pH have been identified as t...
Constructing Structure Ensembles of Intrinsically Disordered Proteins from Chemical Shift Data
Constructing Structure Ensembles Intrinsically Disordered Proteins Chemical Shift Data
2016/1/22
Modeling the structural ensemble of intrinsically disordered proteins (IDPs),which lack fixed structures, is essential in understanding their cellular functions and re-vealingtheirregulationmechanisms...
SPECTRO-DIRECTIONAL CHRIS/PROBA DATA OVER TWO SWISS TEST SITES FOR IMPROVED ESTIMATION OF BIOPHYSICAL AND–CHEMICAL VARIABLES–FIVE YEARS OF ACTIVITIES
Ecosystem Hyperspectral Vegetation Modelling Monitoring Retrieval Spectral Observations
2015/12/30
The spaceborne ESA-mission CHRIS (Compact High Resolution Imaging Spectrometer) on-board PROBA-1 (Project for On-board Autonomy) delivers multi-directional data sets that contain spectral, directional...
GIS BASED MODELING OF GEO-CHEMICAL QUALITY OF GROUNDWATER IN CHANDIGARH
GIS Geochemical parameters Groundwater
2015/8/28
As surface water is inadequate to meet the increasing human demand, groundwater sources are largely being resorted
to. Groundwater, many a times, is not adequate and safe for direct human consumption...