搜索结果: 1-15 共查到“工学 Pretreatment”相关记录18条 . 查询时间(0.078 秒)
绍兴文理学院织物后加工课件lecture 1 Pretreatment of Fabric
绍兴文理学院 织物后加工 课件 lecture Pretreatment of Fabric
2019/9/11
绍兴文理学院织物后加工课件lecture 1 Pretreatment of Fabric。
Pretreatment fasting plasma glucose and insulin modify dietary weight loss success: results from 3 randomized clinical trials
glucose insulin precision medicine personalized nutrition weight glycemic load glycemic index fiber prediabetes diabetes
2018/11/15
Background: Which diet is optimal for weight loss and maintenance remains controversial and implies that no diet fits all patients.
Effects of oxidation pretreatment temperature on Kovar used as CO2 reforming catalyst
CO2 reforming catalyst Kovar oxidation pretreatment
2014/5/26
The effect of oxidation pretreatment temperature (500~1 000 ℃) on the catalytic activity of Kovar applied on hydrocarbon CO2 reforming was examined. Catalytic performance evaluation using tetradecane ...
Enzymatic Pretreatment of Stabilized Rice Bran with Mixed Enzymes: Evaluation of Oil
Stabilized Rice Bran Mixed Enzyme
2016/6/1
The goal of the present investigation was to study the effect of a mixed enzyme preparation composed of Macerozyme and Protease (M and P) on the oil extractability from rice bran. Mixtures of P and M ...
Biodrying under Greenhouse Conditions as Pretreatment for Horticultural Waste
Solid Waste Aerobic Degradation Stabilization Greenhouse
2013/3/11
The biodrying process was studied as an alternative technology to reduce the mass and volume of horticultural waste. Four static piles were prepared inside a greenhouse: two containing whole waste and...
High-Pressure and Heat Pretreatment Effects on Rehydration and Quality of Sweet Potato
High-Pressure and Heat Pretreatment Quality of Sweet Potato
2016/5/31
The effects of high-pressure and heat pretreatments, used prior to drying, on the rehydration rate and quality of sweet potato was investigated. Sweet potato was pressurized at 200 Mpa for 5 min and h...
超声波预处理对燕麦蛋白制备ACE抑制肽的影响（Effect of Oat-seed Protein Pretreatment by Ultrasonic on Preparation of ACE Inhibitory Peptides）
燕麦蛋白 ACE抑制肽 超声波
2010/12/29
利用燕麦蛋白制备ACE抑制肽时先利用超声波对燕麦蛋白原料进行预处理研究。以ACE抑制活性和水解度为指标，考察了超声波功率、处理时间、超声波工作/间歇时间对燕麦蛋白预处理效果的影响。结果表明，超声波预处理的最佳工艺参数为：超声波功率500W，处理时间20min，超声波工作时间2 s、间歇时间2 s，该条件下酶解产物对ACE的半抑制浓度IC50值从0.533mg/mL降到0.299mg/mL...
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....
芦笋秸秆预处理与厌氧发酵制取沼气试验（Experiments on Pretreatment and Anaerobic Digestion of Asparagus Stalk for Biogas Production）
芦笋 秸秆 厌氧发酵 沼气
2010/12/28
为了促进芦笋秸秆原料沼气发酵系统的产气效果，利用NaOH在无流动水的条件下对芦笋秸秆进行了碱性化学预处理，并在小型沼气发酵装置上以不同预处理时间、粒径和NaOH溶液质量分数对芦笋秸秆木质纤维素的变化及产沼效果的影响进行了试验研究。结果表明，预处理时间15~20d比不经预处理的试验组启动时间提早10d；芦笋秸秆粉碎和切割后，不经筛分的试验组比经过筛分后的试验组启动时间提早5~15d，发酵周期缩...
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...
研究预处理对油菜籽细胞超显微结构以及油脂在细胞中存在状态的影响。以油菜籽为原料，借助透射电镜观察轧胚、蒸炒、膨化、压榨等预处理方式下的油菜籽细胞微观结构。研究表明，轧胚使油菜籽细胞受到明显挤压，由圆形变为椭圆形，并且细胞壁部分被破坏，少量脂滴聚集；蒸炒使细胞壁部分破裂且油脂的显微分散状态被破坏，由细小状态聚集成较大的油滴；膨化使细胞壁彻底破坏，细胞质被完全挤出，油脂由细小的油滴聚集成较大的油滴，且...
近红外玉米品种鉴别系统预处理和波长选择方法（Effects of Spectral Pretreatment and Wavelength Selection on Discrimination of Maize Seed Varieties by NIR Spectroscopy）
近红外光谱 玉米 品种鉴别
2009/11/3
以7个品种玉米籽粒的鉴别系统为研究对象，对比研究了6种预处理方法和波长选择对模型鉴别能力的影响。结果表明，在被比较的6种预处理方法中，一阶导数方法能够使模型有更好的鉴别性能。使用一阶导数预处理和全光谱区的模型平均正确识别率和正确拒识率最高，分别为98.6％和98％，有5个品种的模型的正确识别率和正确拒识率都达到了100％。波长选择对一阶导数模型没有明显作用，但能使标准正态变量变换和矢量归一化模型鉴...
Bioethanol Production from Lignocellulosic Biomass Requiring No Sulfuric Acid: Mechanochemical Pretreatment and Enzymic Saccharification
Lignocellulosic biomass Bioethanol Mechanochemical pretreatment
2009/8/4
Bioethanol has become an important product recently. Manufacture depends on sugar or starch, but such processes conflict with the requirements for food supply. Lignocellulose has high potential as fe...
Pretreatment of MFI Type Zeolites with Ethylene to Enhance Their Catalytic Activities for Dehydration of Ethanol
MFI type zeolite Pretreatment Ethylene Dehydration Ethanol
2009/7/28
The effects of the pretreatment of various types of zeolites such as H-ZSM5, H-mordenite, H-beta, HY and gallosilicate with ethylene on their activities for the dehydration of ethanol at low temperat...
Pretreatment of Vacuum Residue Using HDS Unit for Production of RFCC Feedstock
Vacuum residue conversion Swing reactor system FCC Pretreatment
2009/7/24
The reactivity of hydrocracking and performance of vacuum residue (VR) pretreatment was studied before residue hydrodesulfurization (HDS) for successive RFCC to convert VR to gasoline. Large NiMo por...