Nitrous oxide from aerated dairy manure slurries: Effects of aeration rates and oxic/anoxic phasing [0.03%]
曝气牛粪污水中一氧化二氮排放量:不同的曝气速率和好氧/厌氧阶段的影响
Marina Molodovskaya,Olga Singurindy,Brian K Richards et al.
Marina Molodovskaya et al.
Small-scale laboratory research was conducted to compare the effects of different aeration rates and oxic/anoxic phasing on nitrous oxide (N(2)O) formation from dairy manure slurries. Manure slurry samples were incubated in triplicate for t...
Hafez Massara,Catherine N Mulligan,John Hadjinicolaou
Hafez Massara
Hexavalent chromium in industrial wastewater is a major concern due to its extreme toxicity. This study investigates the removal of Cr(VI) using viable anaerobic granular biomass as a biosorbent. The effect of Cr(VI) concentration on biogas...
A simple method for bakers' yeast cell disruption using a three-phase fluidized bed equipped with an agitator [0.03%]
一种使用三相流化床破坏酿酒酵母细胞的方法
Tawatchai Charinpanitkul,Apinan Soottitantawat,Wiwut Tanthapanichakoon
Tawatchai Charinpanitkul
A three-phase fluidized bed equipped with a turbine agitator was utilized as a simple device for disrupting bakers' yeast cells (Saccharomyces cerevisiae). The degree of yeast cell disruption was evaluated based on the number of broken cell...
Leaching of petroleum refinery ash by acidophilic sulfur-oxidizing microbial cultures [0.03%]
酸性硫氧化菌对石油炼制灰渣的淋滤作用研究
M J Moura,B Ribeiro,J Sousa et al.
M J Moura et al.
Sulfur-oxidising acidophilic bacteria were obtained from weathered sulfur piles produced by a petroleum refinery. When grown on commercial sulfur the yield was 10(10)cell/g S. Sulfur conversion to sulfate was about 95% after 17 days. Cultur...
Effects of select nitrocompounds on in vitro ruminal fermentation during conditions of limiting or excess added reductant [0.03%]
几种硝基化合物对瘤胃体外发酵过程中限氧或过氧状态的影响
Robin C Anderson,Nathan A Krueger,Thaddeus B Stanton et al.
Robin C Anderson et al.
Ruminal methane (CH(4)) production results in the loss of up to 12% of gross energy intake and contributes nearly 20% of the United States' annual emission of this greenhouse gas. We report the effects of select nitrocompounds on ruminal fe...
In vitro evaluation of antibacterial, antioxidant, cytotoxic and apoptotic activities of the tubers infusion and extracts of Cyperus rotundus [0.03%]
Cyperus rotundus球茎提取物的体外抗菌、抗氧化、细胞毒和诱导凋亡活性评价
Soumaya Kilani,Mohamed Ben Sghaier,Ilef Limem et al.
Soumaya Kilani et al.
The in vitro antibacterial, antioxidant, cytotoxic and apoptotic activities from tubers extracts of Cyperus rotundus (Cyperaceae) were investigated. Antibacterial activity of different extracts was evaluated against five bacterial reference...
Chemical composition and antifungal activity of essential oil and various extract of Silene armeria L [0.03%]
硅莫氏石竹精油及不同溶剂提取物的化学成分和抗真菌活性研究
Vivek K Bajpai,Savita Shukla,Sun Chul Kang
Vivek K Bajpai
The aims of this study were to examine the chemical composition of the essential oil isolated from the floral parts of Silene armeria L. by hydrodistillation, and to test the efficacy of essential oil and various leaf extracts (n-hexane, ch...
Different pretreatments for increasing the anaerobic biodegradability in swine manure [0.03%]
不同厌氧预处理工艺提高猪粪降解率的效果比较研究
Cristina González-Fernández,Cristina León-Cofreces,Pedro A García-Encina
Cristina González-Fernández
The effect of three methods (mechanical, chemical, and thermal pretreatment) were tested to improve methane production and anaerobic biodegradability of swine wastes. The first experiment was designed to determine the biodegradability enhan...
Lipid profiling of developing Jatropha curcas L. seeds using (1)H NMR spectroscopy [0.03%]
利用氢-1核磁共振光谱法对生物柴油植物麻疯树(Jatropha curcas L.)种子发育过程中的脂类进行定性和定量分析
Sanjay Annarao,O P Sidhu,Raja Roy et al.
Sanjay Annarao et al.
Seed development in Jatropha curcas L. was studied with respect to phenology, oil content, lipid profile and concentration of sterols. Seeds were collected at various stages of development starting from one week after fertilization and in a...
Rapid estimation of single cell oil content of solid-state fermented mass using near-infrared spectroscopy [0.03%]
基于近红外光谱技术的固态发酵菌体单细胞含油量的快速测定法研究
Xiaowei Peng,Hongzhang Chen
Xiaowei Peng
Calibration model using near-infrared reflectance spectroscopy (NIRS) for estimation of SCO content in solid-state fermented mass was established. The NIRS calibration model was derived by partial least-squares (PLS) regression and predicti...