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BIODIVERSITY MAPPING VIA NATURA 2000 CONSERVATION STATUS AND EBV ASSESSMENT USING AIRBORNE LASER SCANNING IN ALKALI GRASSLANDS
LIDAR Essential Biodiversity Variables Natura 2000 Conservation status Biodiversity assessment
2016/12/1
Biodiversity is an ecological concept, which essentially involves a complex sum of several indicators. One widely accepted such set of indicators is prescribed for habitat conservation status assessme...
Nitrous Oxide Decomposition over Alkali-Promoted Magnesium Cobaltite Catalysts(图)
nitrous oxide cobalt oxide magnesium cobaltite spinel alkali promotion
2013/10/15
The direct decomposition of N2O was investigated over a series of magnesium cobaltite catalysts, MgxCo1-xCo2O4 (0.0 ≤ x ≤ 1.0), which were prepared by the thermal decomposition of stoichiometric amoun...
碱性氧化物预处理玉米秸秆维管柱、皮层和表皮研究(Pretreatment of Micro-column, Cortex and Epidermis of Corn Stover by Alkali Oxide)
玉米秸秆 木质纤维素 预处理
2010/12/29
以玉米秸秆的维管柱、皮层和表皮为材料,分别考察固液比、发酵时间、碱性氧化物浓度和预处理时间对发酵液中还原糖含量以及FPA酶活的影响;通过正交试验进一步优化糖化条件,结果表明,在固液比、发酵时间、碱性氧化物、预处理时间分别为1∶20、5d、1%、3d,1∶15、5.5d、1%、3.5d和1∶15、5d、1%、3d条件下,发酵液中的还原糖含量最高,维管柱、皮层和表皮分别为15.92%、12....
玉米芯糖化微波与酸/碱联合预处理效果实验分析(Experiment Analysis on Pretreatment of Corn Cob Saccharification by Acid and Alkali Coordination with Microwave)
玉米芯 预处理 微波 酸碱
2010/12/28
采用微波和酸/碱预处理玉米芯,研究不同微波功率密度和时间对酸/碱预处理后秸秆糖化的影响。结果表明:微波/碱处理组中获得的还原糖平均为51.71mg,比对照提高了33.82%;微波/酸预处理组中,平均还原糖质量为8.76 mg。酸/碱预处理后进行微波处理,发酵液中的FPA酶活平均为2.23U/mL和10.90 U/mL,分别比对照提高17.26%和35.05%;CMC酶活平均为3.43 U/mL...
Experimental and Theoretical Studies on Desulfurization Efficiency of Dual-alkali FGD System in a RST Scrubber
desulfurization desulfurization,efficiency dimensionless factor
2009/11/16
The effects of operating parameters on desulfurization efficiency of a dual-alkali FGD process in a rotating-stream-tray (RST) scrubber are investigated. A dimensionless factor, e, is proposed in this...
Alkali-activated composites based on slags from iron and steel metallurgy
steel slag blast furnace slag alkali activation
2009/10/23
Slag as a secondary raw material from metallurgy is most often heaped in slag disposal areas without any profit. This paper deals with alkali activated slag from iron and steel production which can be...
Homogeneous Oxidation of Volatile Nitrogen (NH3, HCN) to Nitrogen Oxides: A Modeling Study of the Effect of Alkali Vapors
Alkali NOx reduction Chemkin Kinetic modeling
2009/10/10
The effect of alkali vapors in the combustion of different types of Scandinavian fuels, i.e. Finnish black liquor, Swedish wood and Danish straw, was studied based on detailed chemical kinetic modelin...
Desulfurization of Bitumen by Hydrothermal Upgrading Process in Supercritical Water with Alkali
Bitumen Upgrading Supercritical water Desulfurization Benzothiophene
2009/7/27
Hydrothermal desulfurization was evaluated for the upgrading of bitumen in supercritical water with alkali, based on the formation and decomposition of thiophene derivatives. In the alkaline hydrothe...
Decomposition of Benzothiophene, Dibenzothiophene, and Their Derivatives in Subcritical and Supercritical Water with Alkali
Supercritical water Subcritical water Benzothiophene Dibenzothiophene
2009/7/24
Hydrothermal decomposition of thiophene derivatives in subcritical and supercritical water with alkali was studied to enhance desulfurization using a new on-site upgrading technology. Benzothiophene,...
Synthesis of Di-t-butyl-polysulfide from Isobutene, Hydrogen Sulfide, and Sulfur (Part 1) Catalysis by Alkali Metal Oxide and Alkaline Earth Metal Oxide Loaded on Alumina
Polysulfide Solid base catalyst Alkali metal Alkaline earth metal
2009/7/24
Synthesis of di-t-butyl-polysulfide from isobutene, hydrogen sulfide and sulfur was carried out over solid base catalysts such as alkali metal and alkaline earth metal oxides loaded on alumina. The p...
Upgrading of Bitumen by Hydrothermal Visbreaking in Supercritical Water with Alkali
Oil sand Upgrading Supercritical water Desulfurization Vanadium
2009/7/23
This study aimed to clarify the characteristics of the upgrading reaction of bitumen in supercritical water with alkali compared to pyrolysis, and to obtain more information about desulfurization in ...
Waxs Studies of Salix Viminalis Wood Susceptibility to Alkali Treatment
X-ray diffraction cellulose mercerization WPG index willow wood
2009/6/16
Comminuted willow wood (Salix viminalis) was treated with sodium hydroxide solutions
of 10, 15, 20 and 25% NaOH concentration, for 15, 30, 45, 60 and 90 minutes for each
case of NaOH concentration. ...
以水稻秆颗粒为原料,通过NaOH处理制成生物质成型燃料的粘结剂,采用三因子二次正交旋转试验设计,研究NaOH质量分数、碱处理温度和碱处理时间对成型燃料剪切粘结强度的影响。利用SPSS13.0的回归分析方法以及Matlab 7.1的响应面分析法,建立并分析了3个因子对剪切粘结强度影响的数学模型。结果表明,所得回归方程显著,拟合情况良好;3个因子对剪切粘结强度的影响大小依次为:碱处理温度、NaOH质量...
Adsorption Properties and Structural Features of Alkali Treated Wood
alkali treatment contraction structural features microfibrils
2009/3/6
In order to investigate the influence of alkali treatment on structural features and on hygroscopic properties, weight and dimensions were measured after wood samples (Picea jezoensis Carr.) were trea...
The effects of treatment with NaOH aqueous solution on the shape of Yezo spruce (Picea jezoensis Carr.) and its mechanism were examined by comparison with results for ramie fibers. Wood samples contra...