|
|
|
|
|
Yuyang Liu, Bo Feng and Yu Yao
With the intensification of water pollution problems worldwide, constructed wetlands, as a green, efficient, and energy-saving wastewater treatment technology, have gradually attracted the wide attention of scholars at home and abroad. In order to better...
ver más
|
|
|
|
|
|
|
|
|
|
|
Tetsuya Endo, Osamu Kimura, Masaru Terasaki, Yoshihisa Kato, Yukiko Fujii and Koichi Haraguchi
The changes in the stable isotope ratios of carbon (d13C), nitrogen (d15N), oxygen (d18O), and mercury (Hg) concentrations in muscle and liver tissues during and after lactation were studied in killer whales stranded along the coast of Hokkaido, in the n...
ver más
|
|
|
|
|
|
|
|
|
|
|
Putu Ayustin Suriasni, Ferry Faizal, Camellia Panatarani, Wawan Hermawan and I Made Joni
Aeration becomes an essential aspect of biofilter performance to reduce ammonia nitrogen in the Recirculating Aquaculture System (RAS). Efficient aeration introduces air into water media and offers an aerobic environment in the biofilter for microbial de...
ver más
|
|
|
|
|
|
|
|
|
|
|
Daniele Cardillo, Francesco Battista, Giuseppe Gallo, Stefano Mungiguerra and Raffaele Savino
Firing test campaigns were carried out on a 200 N thrust-class hybrid rocket engine, using gaseous oxygen as an oxidizer and a paraffin-wax-based fuel. Different fuel grain lengths were adopted to extend the fuel characterization under different operatin...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hongsheng Yu, Xiaodong Yu, Hongwei Gao, Luigi T. DeLuca, Wei Zhang and Ruiqi Shen
The slow regression rate induced by the high pyrolysis difficulty has limited the application and development of hydroxyl-terminated polybutadiene (HTPB)-based fuels in hybrid rocket propulsion. Nickel oxide (NiO) shows the possibility of increasing the ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ansgar Gruber and Linda K. Medlin
Photosynthesis allows for the formation of biomass from inorganic carbon and therefore greatly enhances the amount of organic material on planet Earth. Especially, oxygenic photosynthesis removed a major bottleneck in the formation of biomass by utilisin...
ver más
|
|
|
|
|
|
|
|
|
|
|
Tong Wu, Shang Shi, Minghao Ren, Jingwen Wang and Jinyu Dong
Long-term erosion of granite?a type of hard rock?by hydrothermal fluids and tectonic movement can lead to a fragmentation of the internal structure of the original rock, transfer/replacement of mineral elements, and alteration of the rock?s basic propert...
ver más
|
|
|
|
|
|
|
|
|
|
|
Wiem Bouslama, Ramzi Nasser, Bernard Gelloz, Amira Ben Gouider Trabelsi, Fatemah Homoud Alkallas, Ji-Ming Song, Ezzeddine Srasra and Habib Elhouichet
Undoped and codoped (Eu/Na) ZnO nanocrystals (NCs) were successfully manufactured through an economical sol-gel method. X-ray diffraction (XRD) analysis demonstrated pure hexagonal wurtzite structure without secondary phases for all the samples. The size...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zhaoxu Peng, Minghui Liu, Tingmei Li, Wangcheng Zhang, Yanpeng Wang, Luji Yu and Jiantao Ji
Given increasingly prominent environmental issues, there is a pressing need to satisfy more stringent emission standards for wastewater treatment plants (WWTP) while concurrently prioritizing energy conservation; a new up-flow layered nitrogen removal fi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zhi Zheng, Dalei Chang, Jianping Liang, Ke Lu, Xiao Cui, Yao Li and Dezheng Yang
Atmospheric pressure gas?liquid discharge plasma has garnered considerable attention for its efficacy in wastewater contaminant removal. This study utilized atmospheric oxygen gas?liquid discharge plasma for the treatment of ammonia nitrogen wastewater. ...
ver más
|
|
|
|
|
|