Studies on the effects of protocatechuic acid on cell proliferation and apoptosis in cultured neural stem/ progenitor cells 原儿茶酸对体外培养的神经干/祖细胞增殖及凋亡的影响
To screen the activity of2-substituted thiazolidine-4-carboxylic acid, cell membrane chromatography ( CMC) was used. 测定合成的2-取代噻唑烷-4-甲酸的初步生理活性。
The relative amount of sialic acid on cell surface has been declined due to the RA action as demonstrated by cell electrophoresis. 本文还用细胞电泳方法研究膜表面唾液酸相对量,发现RA可引起唾液酸含量下降。
By means of the time of the difference 、 distinct temperature 、 distinct alcohol degrees 、 distinct acetic acid fungus cell concentration fungus bed levels not replaced of 360 days. 通过不同的时间、不同的温度、不同的酒精度、不同的醋酸菌细胞浓度化菌床360d不更换的水平。
The biosensor is a special chemical sensor. It uses the biologically sensitive components as active units ( such as enzyme, antibody, nucleic acid, cell, tissue) and promises highly selective to the analyte. 生物传感器(biosensor)是一类特殊的化学传感器,它是以生物活性单元(如酶、抗体、核酸、细胞、组织等)作为生物敏感基元,对被测目标物具有高度选择性的检测器。
Analyses the principles and main characteristics of fuel cell. Considers that phosphoric acid fuel cell ( PAFC) is the ripest in technique and most commercialized civil fuel cell. 分析了燃料电池的原理和主要特点,认为磷酸燃料电池(PAFC)是目前技术最成熟、商业化程度最高的民用燃料电池;
All Trans Retinoid Acid Inhibit Cell Growth in Human Retinoblastoma Cells Via Phosphorylation of JNK 全反式维甲酸通过磷酸化JNK抑制视网膜母细胞瘤细胞生长
Neutral Proteinase and Starter Lactic Acid Bacteria Cell Immobilization on Sodium Alginate and Its Effect on Accelerating Ripening of Cheese 中性蛋白酶和乳酸菌固定化及其对干酪促熟效果的研究
The electrolysis principle of coil aluminium for manufacturing PS plate is discussed in detail. The author puts forward the view that the process of electrolysis of coil aluminum to produce PS plate is actually that of the acceleration of aluminum acid cell corrosion actin by AC. 详细叙述了卷筒式铝板材生产PS版电解基本原理,提出电解铝板材形成砂目过程实际是一个交流电加速原电池腐蚀反应过程的观点。
Research advance on free fatty acid and cell apoptosis 脂肪酸与细胞凋亡的研究进展
The effect of retinoic acid on cell membrane and metastatic ability 维甲酸对肿瘤细胞膜的影响及其与转移能力的相关性探讨
Effect of 9-cis-retinoic acid on cell cycle, apoptosis and related gene expression in human lung squamous carcinoma cell line A2 9-顺-维A酸对肺鳞癌细胞株A2细胞周期、凋亡及相关基因表达的影响
The transfer of human acetylcholinesterase gene to pancreatic cancer cells enhances the effect of all-trans retinoic acid induced cell apoptosis 人乙酰胆碱酯酶基因转染增强全反式维甲酸诱导胰腺癌细胞凋亡
Effect of Retinoic Acid on Cell Proliferation Kinetics of Large Bowel Mucosa 维甲酸对大肠粘膜细胞增殖力学变化的影响
In the life science field, it described the application for Fourier transform infrared spectrum analysis technique on protein secondary structure, membrane protein, phospholipid, nucleic acid, cell, tissue. 在生命科学领域主要叙述了红外光谱分析技术在蛋白质二级结构、膜蛋白、脂、核酸及细胞、组织等复杂体系研究中的具体应用;
Arachidonic acid ( AA) is a unsaturated fatty acid in cell membrane, it is an important factor for changing membrane mobility. 花生四烯酸(Arachidonicacid,AA)作为细胞膜不饱和脂肪酸之一是细胞膜流动性的重要影响因素之一。
Study on the performance of electrolyte in phosphoric acid fuel cell(ⅱ) 磷酸型燃料电池中电解质性能的研究(Ⅱ)
The PAFC ( phosphoric acid fuel cell) plants have been the technically mature and commercializing quicker fuel cell generation technology. 磷酸燃料电池(PAFC)发电技术,在目前燃料电池电站中技术最成熟,发展最快。
Effects of estrogen, clomiphene on gamma-aminobutyric acid immunoreactive cell and α 1 subunit of GABA_A receptor in hippocampus of epileptic rats 雌激素和克罗米酚对致癎大鼠海马γ-氨基丁酸免疫反应细胞和GABAA受体α1亚单位表达的影响
Methods: The cell culture, Giemsa's staining and colorimetry were used to study the effect of arsenious acid on cell growth, morphologic changes and the tyrosine aminotransferase ( TAT) activity of hepatocarcinoma cells treated with arsenious acid. 方法:通过体外细胞培养,观察肿瘤的生长特点;用Giemsa染色法观察细胞的分化形态特点,比色法测定酪氨酸-α-酮戊二酸转氨酶(TAT)活性的改变。
A new method for manufacturing the gas-diffusion electrodes for phosphoric acid fuel cell 制备磷酸燃料电池气体扩散电极的新方法
In addition, the changes of structure of hydrogen-bonding of nucleic acid and cell proteins and the packing and the conformational structure of the membrane lipids were analysed. 并从蛋白质、核酸氢键的角度以及膜脂碳氢链排列及构像变化角度等方面分析了发生变化的原因。
Direct formic acid fuel cell ( DFAFC) has great advantages such as, high energy density, high performance at low operation temperature and environment friendly. It has high application potential. 直接甲酸燃料电池(DFAFC)具有能量密度高、低温工作性能好、环境友好等优点,具有广阔的发展空间与应用前景。
In this thesis the electro-oxidation behaviors of formic acid at the Pt/ C or Pd/ C electrode in direct formic acid fuel cell ( DFAFC) were mainly investigated. 论文主要研究了直接甲酸燃料电池(DFAFC)中,甲酸在Pt/C和Pd/C电极上的电氧化行为。
In the recent years, direct formic acid fuel cell ( DFAFC) has received more and more attention because it has many advantages. 近年来,直接甲酸燃料电池(DFAFC)有很多优点而日益受到世界范围的关注和重视。
In the recent years, it was found that the direct formic acid fuel cell ( DFAFC) has many advantages, comparing with the direct methanol fuel cell ( DMFC). 近年来的研究发现,直接甲酸燃料电池(DFAFC)与直接甲醇燃料电池(DMFC)相比有很多优点。