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The primary reaction of photosensitization of Hypocrellin A (HA) has been studied byusing techniques of ESR, spin-trapping......
The complexation between styrene (St) and N-phenylmaleimide (PMI) was investigated by ~1H-NMR spectroscopy,and the exis......
Microstructure Characterization of Single-crystal ZnO Nanorods Synthesized by Solvothermal at Low Te
Single-crystalline ZnO nanorods have been synthesized by a simple solvothermal process at low temperature. Transmission ......
Multiwalled carbon nanotubes (MWNTs) were treated with the reflux within the concentrated nitric acid for 0-25 h to puri......
In the present study, a new ceramide, namely 2S, 3R-4E, 8E-2-(heptadecanoylamino)-heptadeca-4, 8-diene-1, 3-diol(1), alo......
阜阳市局 £4a 局长——_MINtkMMtgj’#lnH$B——q.M——D收束志不他只邀狲位J则【科校为先导推动地租工作.B为广为戳民U用凶盼引眯B.......
The effect of different annealing temperatures on the structure, morphology, and optical properties of ZnO thin films p......
Bacteriostasis and Antioxidation of Different Solvent Extracts from FLOS CARYOPHYLLI and CORTEX MAGN
[Objective] The aim was to study on the bacteriostasis and antioxidation of the different solvent extracts from FLOS CAR......
Four new neo-lignans were isolated from the chloroform portion of 70% ethanol extract of the seed crusts of Trewia nudi......
Objective:To assess the in-vitro antihacterial activity and anti-inflammatory activity of orally administered different ......
The Complex of Crosslinked Chitosan with 4′-formal Benzo-15-crown-5 and Palladium Used as Catalyst f
The crosslinked chitosan was grafted by 4′-formal benzo-15-crown-5 to obtaine crosslinked chitosan with 4′-formal benz......
Gastric antisecretory and cytoprotective effects of hydroalcoholic extracts of Plumeria alba Linn. l
OBJECTIVE:This study was conducted to evaluate the antiulcerogenic property of hydroalcoholic extract obtained from the ......
Purpose:To investigate the retinal toxicity of FK506 by intravitreal administration.Methods:Twenty-two eyes of 14 New Ze......
The new synthesis of 10-bromo-α-chamigrene was achieved as follows;6-methyl-5-heptene-2-one was transformed into corres......
A convenient and effective Paal-Knorr condensations of 2,5-hexanedione with most amines have been carried out at room te......
Porous Zn O was obtained by hydrothermal method.The results of scanning electron microscope revealed the porous structur......
目的 利用PCR熔解曲线法快速筛查结核分枝杆菌(MTB)对链霉素、乙胺丁醇耐药性,并与药敏试验结果比较,评价其应用价值.方法 收集深......
以乙醇-水体系的精馏分离为研究对象,选用不同装填分率的中空纤维膜组件,研究了中空纤维膜接触器的气液传质性能。结果表明:不同装......
从白酒酒曲中分离得到1株酵母菌S-1,经形态学观察和生理生化特征比较,S-1被确定为异常汉逊酵母(Hansenula anomala)。将S-1分别置于乙......
棉秆蒸汽爆破预处理后水抽提,分析水提产物,将水提糖液用于乙醇发酵生产。结果表明,汽爆条件为2.0 MPa 4 min,棉秆中纤维素分离程......
研究苦楝树(Melia azedarach)皮乙醇提取物和菟丝特的混合药剂对日本菟丝子(Cuscuta japonica)生长及其主要生理指标的影响。结果......
在重铬酸钾比色法的基础上,建立了一种测定发酵液中乙醇含量的分析方法。结果表明,回收率为98.58%~102.14%,相对标准偏差(RSD)为1.......
使用加 压下的 C O 加氢 反应、程 序升 温 还原( T P R) 、吸 附氢 的 程序 升温 脱 附( H2 T P D) 以及 C O 和 H2 吸 附等技术 ,研究了 Rh ......
针对国际CCQM组织的K66高纯甲烷纯度分析关键比对,建立高纯甲烷中杂质的分析和定量方法。根据标准物质的制备过程和对稀释气中杂质......
ZnO薄膜进行CeO2掺杂,研究掺杂含量和热氧化对薄膜结构、表面、晶粒尺寸及气敏特性的影响。结果显示,用热蒸发制备的高纯Zn膜经500......
用全自动低温绝热量热计测定了水、乙醇以及水和乙醇组成的共沸混合物在不同温区的摩尔热容Cp.m建立了共沸混合物Cp,m与温度T的函......
[目的]提高薯渣制乙醇的产率,并降低该过程的能耗。[方法]以干薯渣为原料,粉碎后加水,经纤维素酶转化,并采用混合菌发酵生产乙醇的......
INTRODUCTIONStress has been shown to induce gastric mucosallesions and lower the effectiveness of the mucosa asa barrier......
Delayed ethanol elimination and enhanced susceptibility to ethanol-induced hepatosteatosis after liv
AIM:To investigate ethanol-induced hepatic steatosis after liver resection and the mechanisms behind it.METHODS:First,th......
针对硬X射线调制望远镜(HXMT)卫星低能探测器(CCD)的散热需求,开发了一种乙烷工质深冷槽道热管。在传热性能测试设备中,采用抽真空......
目的观察常见实验动物离体食管固定后的收缩变化规律,为动物食管的组织学研究奠定基础。方法测量各实验动物食管离体后长度,并将离......
目的了解结核病短程化疗全程间歇疗法临床疗效,分析治疗失败原因并寻求解决办法。方法初治涂阳肺结核化疗方案2H3R323E3/4H3R3;复治涂......
针对壳聚糖纤维/棉(20/80)混纺纱毛羽多、耐磨性差的缺点,选择氧化淀粉为主要浆料,制定了两种浆纱方案,一种为含有PVA的浆料配方,另......
研究多点电喷汽油机燃用不同掺混比的乙醇/汽油混合燃料时的排放及催化器的转化性能。结果表明,在汽油机参数未做任何调整的情况下,与......
利用化学方法在金电极的表面原位合成纳米多孔金,将乙醇脱氢酶固定在电极表面制成乙醇传感器.讨论了Nafion膜、扫描速度以及体系pH......
丙烯酸交联壳聚糖渗透汽化膜研究(Ⅱ)──乙醇/水混合液的渗透汽化分离性能钟伟,李文俊,葛昌杰,陈新(复旦大学高分子科学系,上海,200433)关键词交联......
通过实验对萃取精馏分离乙酸乙酯-乙醇共沸体系的溶剂选择进行了研究.结果表明,二元混合溶剂(N,N-二甲基甲酰胺+二甲亚砜)的分离性......
建立了色谱法扩散系数测定装置,在常压下,298.2K~333.2K范围内测定了苯,甲苯,对二甲苯,邻二甲苯,乙基苯,均三甲苯,萘,菲,蒽和联苯等十种芳烃在无水乙醇中的......
在排除内外扩散的条件下,采用固定床积分反应器进行醋酸乙酯加氢制乙醇本征动力学研究.实验使用催化剂为上海华谊技术研究院研制0.......
The persistence and severity of hyperparathyroidism(HPT)post-renal transplantation is relatively frequent and primarily ......
以无核沙糖桔果实为材料,研究了不同蜡处理对常温贮藏果实品质、乙醛和乙醇含量、丙酮酸脱氢酶(PDC)和乙醇脱氢酶(ADH)活性的影响。结果......
目的建立结核分支杆菌对链霉素(SM)和乙胺丁醇(EMB)耐药基因突变的快速检测方法。方法根据结核分支杆菌标准株H37Rv序列,自行设计针对rp......
Brazil is the largest producer of ethanol from sugarcane in the world. While the ethanol industry is economically import......
利用二次阳极氧化法成功制备了双层TiO2纳米管周期结构。通过改变氧化电压可以有效地调整双层TiO2纳米管的管径,从而控制样品的形......
目的优选温度敏感型原位凝胶的提取方法和提取工艺。方法以提取物中大黄素、绿原酸、栀子苷含量和浸膏得率为指标,考察水煎法、乙......
以氯化钯(Pd Cl2)为金属前驱体,乙醇为还原剂,聚乙烯吡咯烷酮(PVP)为稳定剂和导向剂,利用普通市售节能灯产生的光热作用,辅助制备多重......
设计构建了发酵罐体积为5L,单张膜有效面积为0.08m。的平板硅橡胶膜生物反应器封闭循环连续发酵系统,实验研究了该系统在长期运行过程......
采用FT-IR技术研究了RbNO3/LiX催化剂上的乙醇缩合反应的活性中心。当反应温度≥633K时,乙醇发生热解反应,导致表面负载RbNO3分解,并检测到表面存在NO2^-、CO3^2-、桥联结......