搜索结果: 91-105 共查到“工学 activity”相关记录329条 . 查询时间(0.229 秒)
Preparation and Characterization of High Activity Zirconium-Doped Anatase Titania for Solar Photocatalytic Degradation of Ethidium Bromide（图）
sunlight titania zirconium ethidium bromide elimination
2013/10/13
Ethidium bromide is a fluorescent tag and is used in biomedical applications. It is a potent mutagen because of its DNA intercalating nature. A catalyst composition for the feasible elimination of eth...
Preparation of a Nickel Molybdenum Carbide Catalyst and Its Activity in the Dry Reforming of Methane（图）
catalyst activation catalyst selectivity fuel dry reforming methane
2013/10/13
Nickel molybdenum carbide catalysts were prepared and their activities in the CO2 reforming of methane at a low CO2/CH4 reactant ratio were investigated using a microreactor at atmospheric pressure an...
Study of Antibacterial Activity of Ocimum sanctum Extract Against Gram Positive and Gram Negative Bacteria
Ocimum sanctum Extract Against Antibacterial Activity
2016/5/31
This study was carried out to observe the antibacterial activity of aqueous extract, chloroform extract, alcohol extract and oil obtained from leaves of Ocimum sanctum against the selected bacteria i....
Evolution of Energetic Compounds, Antioxidant Capacity, Some Vitamins and Minerals, Phytase and Amylase Activity During the Germination of Foxtail Millet
Energetic Compounds Antioxidant Capacity
2016/5/31
This study was conducted to asses the energetic compounds (protein, fat and carbohydrate), some vitamins, minerals, antioxidant capacity, phytase and amylase activity during the germination of foxtail...
Contents of sulforaphane and total isothiocyanates, antimutagenic activity, and inhibition of clastogenicity in pulp
cruciferous vegetables juice antimutagenic effects sulforaphane isothiocyanates
2014/2/25
The consumption of Cruciferous vegetables is important for the prevention of cancerous diseases, particularly colorectal cancer. The effects of technological treatments (freezing, pasteurisation, high...
Antioxidant Activity and Phenolic Content of Air-Classified Corn Bran
Antioxidant Activity Phenolic Content Air-Classified Corn Bran
2014/5/23
The effectiveness of extracting free and bound phenolic compounds and antioxidant activities from air-classified corn bran was evaluated by various extracting methods. Free phenolic contents and antio...
臭氧处理对竹笋木质化及相关酶活性的影响（Effects of O3on Lignification and Related Enzyme Activity in Bamboo Shoots）
竹笋 臭氧 木质化 酶活性
2010/12/29
为探索臭氧对竹笋木质化的影响，研究了100、200或300μL/L臭氧处理30min对冷藏（1±1）℃竹笋木质化及相关酶活性的影响。结果表明：臭氧处理可延缓竹笋冷藏期间硬度的上升，降低呼吸强度和乙烯释放量;可延缓PAL、POD和PPO活性的增加，其木质素和纤维素的含量分别比对照低7%～12%和8%～14%，霉变率比对照低71%～84%。臭氧处理延缓了竹笋的木质化进程。
荷叶活性物质提取工艺与抗氧化活性研究（Extracting Technology and Antioxidant Activity of Bioactive Components from Lotus Leaf）
荷叶 抗氧化活性 提取工艺
2010/12/29
对荷叶活性物质提取工艺与抗氧化活性进行了研究。结果表明，荷叶抗氧化活性物质最佳提取工艺为提取时间50min、提取温度80℃、乙醇体积分数60%和料液比1∶20；采用生物活性追踪法研究发现，在极性依次增大的正己烷、乙酸乙酯、正丁醇和水相4个极性萃取组分中，乙酸乙酯萃取组分抗氧化活性（总还原力、FRAP法抗氧化能力和DPPH自由基清除能力）最强并具有显著性差异（P<0.001或P<0.01）；通过...
Antioxidant Activity of Phytic Acid in Lipid Model System
phytic acid lipid oxyradicals antioxidant activity ESR chelating activity
2011/2/24
Free radicals formed during thermal (60 °C, 24 h) and catalytic (Fe2+ ions, room temperature
(23±1) °C, 3 h) oxidative degradation of hydroperoxyde-enriched soybean oil (HESO)
were stabilized in the...
Antioxidant Activity of Whey from Milk Fermented with Lactobacillus Species Isolated from Nigerian Fermented Foods
antioxidant activity DPPH· scavenging activity fermented foods lipid peroxidation
2011/2/24
Eight Lactobacillus isolates obtained from five indigenous fermented foods (ogi, ogi
baba, wara, kunnu and ugba) were investigated. Wara is a dairy-based food while the others
are not dairy-based. T...
Biological Activity of Bacillus Thuringiensis (Berliner) Strains on Larvae and Adults of Ceratitis Capitata (Wiedemann) (Diptera: Tephritidae)
Argan Forest Bacillus Thuringiensis Biological Control Ceratitis Capitata Diptera
2013/3/13
The objective of this study was to evaluate the efficiency of Moroccan Bt strains against neonate larvae, third instar larvae and emerged adults of Ceratitis capitata. This Mediterranean fruit fly cau...
Influence of Ultrafiltration on Antioxidant Activity of Tilapia (Oreochromis niloticus) Protein Hydrolysate
Antioxidant activity hydrolysate membrane molecular weight cut-off
2010/9/30
The production of hot w ater dip hydrolysate (HWDH) from tilapia (Oreochromis niloticus) with DH of 25.43% improved its bioactivity. A pressure-driven ultrafiltration (UF) membrane separated HWDH base...
Investigation of Gelatin Polypeptides of Jellyfish (Rhopilema esculentum) for Their Antioxidant Activity in vitro
jellyfish gelatin polypeptide antioxidant activity copper(II)-binding ability
2010/10/14
Jellyfish gelatin was hydrolyzed by different proteases to obtain antioxidative polypeptides.
The gelatin hydrolysate obtained by progressive hydrolysis using trypsin and
Properase E exhibited the h...
Antimicrobial Activity – The Most Important Property of Probiotic and Starter Lactic Acid Bacteria
antimicrobial activity bacteriocins lactic acid bacteria probiotics starter cultures
2010/12/21
The antimicrobial activity of industrially important lactic acid bacteria as starter cultures
and probiotic bacteria is the main subject of this review. This activity has been attributed
to the prod...
Microsimulating parcel-level land use and activity-based travel: Development of a prototype application in San Francisco
Microsimulating parcel-level land activity-based travel: Development prototype application San Francisco
2010/10/25
This paper develops a prototype of an integrated microsimulation model system combining land use at a parcel level with activity-based travel in San Francisco, California. The paper describes the moti...