Relationship between lignin structure and delignification degree in Pinus pinaster kraft pulps [0.03%]
麻刺松木 Kraft 脱木质化的木质素结构变化研究
C Baptista,D Robert,A P Duarte
C Baptista
This study examines the structure of residual and dissolved lignins from Pinus pinaster pulps obtained at different degrees of delignification by laboratory conventional kraft pulping. The cooking H factor was varied from 85 to 8049. The re...
The effects of heat treatment on physical and technological properties and surface roughness of Camiyani Black Pine (Pinus nigra Arn. subsp. pallasiana var. pallasiana) wood [0.03%]
热处理对卡拉比克黑松（Pinus nigra Arn. ssp. pallasiana var. pallasiana）木材物理性质、工艺性能和表面粗糙度的影响
Gökhan Gündüz,Süleyman Korkut,Derya Sevim Korkut
Gökhan Gündüz
Heat treatment is often used to improve the dimensional stability of wood. In this study, the effects of heat treatment on physical properties and surface roughness of Camiyani Black Pine (Pinus nigra Arn. subsp. pallasiana var. pallasiana)...
Low-cost supports used to immobilize fungi and reliable technique for removal hexavalent chromium in wastewater [0.03%]
低成本固定丝状真菌及去除废水中六价铬的可靠方法研究
Huidong Li,Ting Liu,Zhao Li et al.
Huidong Li et al.
The main goal of this study was to exploit low-cost and efficient sorbents for the removal and recovery of Cr(VI) in wastewater. Three supports of sawdust, polyurethane and alginate were applied to immobilize living and dead R. cohnii cells...
Optimization of processing variables in wood-rubber composite panel manufacturing technology [0.03%]
木材橡胶复合板材加工工艺参数优化
Zhao Jun,Wang Xiang-Ming,Chang Jian-Min et al.
Zhao Jun et al.
The feasibility of manufacturing wood-rubber functional composite panels with a polymeric methylene diphenyl diisocyanate (PMDI) and urea-formaldehyde (UF) combination binder system was investigated. Mechanisms of interacted independent var...
Citric acid production by Yarrowia lipolytica cultivated on olive-mill wastewater-based media [0.03%]
利用橄榄磨碎机废水基介质发酵生产柠檬酸
Seraphim Papanikolaou,Maria Galiotou-Panayotou,Stylianos Fakas et al.
Seraphim Papanikolaou et al.
Yarrowia lipolytica ACA-DC 50109 cultivated on olive-mill wastewater (O.M.W.)-based media, enriched with commercial-industrial glucose, presented an efficient cell growth. Parameters of growth were unaffected by the presence of O.M.Ws in th...
Mechanical properties of polyurethane foams prepared from liquefied corn stover with PAPI [0.03%]
采用PAPI制备玉米秸秆液化基聚氨酯泡沫材料的力学性能研究
Tipeng Wang,Lianhui Zhang,Dong Li et al.
Tipeng Wang et al.
Corn stover was liquefied by using ethylene carbonate (EC) as liquefying solvent and 97% sulfur acid as catalyst at 170 degrees C for 90 min. Polyurethane (PU) foams were prepared from liquefied corn stover (LCS) with variable amount of pol...
K R Sistani,A Adeli,S L McGowen et al.
K R Sistani et al.
Two studies were conducted for this research. First, a laboratory incubation to quantify broiler litter N mineralization with the following treatments: two soil moisture regimes, constant at 60% water fill pore space (WFPS) and fluctuating ...
Microwave-assisted hydrolysis of Zymomonas mobilis levan envisaging oligofructan production [0.03%]
利用微波辅助水解佐莫单胞菌果聚糖制备低聚果糖的研究
Valdemir Cordeiro de Paula,Irapuan Oliveira Pinheiro,Carlos Edison Lopes et al.
Valdemir Cordeiro de Paula et al.
Levan, a polysaccharide from Zymomonas mobilis, was hydrolyzed to obtain oligofructans or fructooligosaccharides with a degree of polymerization varying from 4 to 14. Fructooligosaccharides (FOS) are short chain fructans that beneficially a...
Nitrous oxide emissions from denitrifying activated sludge of urban wastewater treatment plants, under anoxia and low oxygenation [0.03%]
城市污水处理厂脱氮活性污泥在厌氧和低氧化条件下的一氧化二氮排放
Gaëlle Tallec,Josette Garnier,Gilles Billen et al.
Gaëlle Tallec et al.
Batch experiments were made to better understand the mechanisms of N2O emissions from activated sludge in denitrifying conditions found in urban WWTPs, i.e. under anoxic and low oxygenation conditions. The results showed that in completely ...
Removal of methylene blue dye from aqueous solution by adsorption onto sodium humate/polyacrylamide/clay hybrid hydrogels [0.03%]
甲基蓝染料从水溶液中的吸附去除作用于钠腐植酸/聚丙烯酰胺/粘土杂化水凝胶上
Ju-Zhen Yi,Li-Ming Zhang
Ju-Zhen Yi
A type of novel hybrid hydrogels from sodium humate (SH), polyacrylamide (PAM), and hydrophilic laponite clay were prepared using potassium persulfate (KPS) as the initiator and N,N'-methylenebisacrylamide (MBA) as the cross-linker. The mor...