1)  β-glucosidase
β-葡萄糖甙酶
1.
The changes of β-glucosidase and peroxidase activity in Vanilla planifolia capsule have been analyzed under different processed conditions,which include different deactivation of enzyme and roasting process.
)成熟荚果经过不同的杀青与烘烤条件处理后,分析其内部的β-葡萄糖甙酶与过氧化物酶的活性的变化,结果表明:经不同的杀青温度与时间处理后,β-葡萄糖甙酶活性都比对照高,而过氧化物酶的活性较对照低;经过不同的烘烤时间与温度处理后,β-葡萄糖甙酶活性与过氧化物酶的活性都比未经任何处理的有显著性地增高。
2)  β' to β transformation
β'→β转变
1.
The results show that the beginning and ending temperature of β' to β transformation in Cu-Zn alloy is 446.
用DSC法研究了Cu-Zn合金组织中β′→β转变动力学。
3)  β/β″-Al_2O_3
β/β″-Al_2O_3
1.
Lithium and magnesium co-stabilized β/β″-Al_2O_3 films were fabricated by the reaction between the spinel-α-Al_2O_3 composite substrate and the vapour of Li_2O and Na_2O.
通过MgAl_2O_4-α-Al_2O_3复合相陶瓷基体与Li_2O、Na_2O气氛的反应制备了Li_2O和MgO共同稳定的Naβ/β″-Al_2O_3膜。
4)  β-sialon
β-sialon
1.
Density technical study of bauxite-based β-SiAlON-corundum;
矾土基β-SiAlON-刚玉料致密度的研究
2.
Microwave Synthesis of β-Sialon;
微波合成β-Sialon
3.
Preparation of β-Sialon from kaolin-hydrazine intercalation complex;
高岭土插层材料制备β-Sialon材料
5)  β Phase
β相
1.
The β phase of casting ZK60 alloy states were continuing,and the mechanical properties and deformability were poor.
对铸态及固溶处理后的ZK 60镁合金的组织、拉伸和锻造性能进行了研究,铸态ZK 60镁合金中β相成连续网状分布,力学性能和变形极限较低,经390℃×16h固溶处理后,β相部分或全部溶入基体中,呈不连续点状分布,抗拉强度和屈服强度较铸态提高14%和28%,伸长率(13%)较铸态提高70%。
2.
The electron structures of the interface between GP zone with L_(10) structure(the same in later) and the matrix and the interface between β phase and the matrix in Al-Mg-Si alloy were calculated using the Empirical Electronic Theory in solid and molecules(EET).
运用EET理论对A l-M g-S i合金GP区(L10型,下同)、β相(M g2S i)与基体的界面电子结构进行计算,着重从界面电子角度反映时效过程中GP区、β相与基体的界面结合性质、界面原子状态变化及界面对合金有关力学性能的影响,并分析原子状态变化的原因。
3.
The variations in mechanical properties of W-Ni-Fe heavy alloy with high Ni/Fe ratio(9/1) and the precipitation behavior of β phase in its binding phase during strain-aging were studied.
研究预应变时效高NiFe比(91)钨合金的性能及粘结相中β相的沉淀行为。
6)  β-cyclodextrin
β-CD
1.
Molecular recognition study on β-cyclodextrin with EPA by competitive inclusion method using phenolphthalein as a spectral probe and its oxidation stability;
竞争包结法研究β-CD对EPA的分子识别及对EPA稳定性的影响
2.
The fabrication of β-cyclodextrin mondified Au electrode and its inclusion with azobenzene;
MCT-β-CD修饰金电极的制备及其与偶氮苯的相互作用
3.
Preparation and Characterization of Herba Pogostemonis,Rhizoma Atractylodis and Radix Aucklandiae Compound Essential Oil-β-cyclodextrin Complex;
广藿香、苍术、木香总挥发油β-CD包合物的制备及表征
参考词条
补充资料:β-葡萄糖苷酶
分子式:
CAS号:

性质:系一种具有生物催化剂功能的蛋白质,其全称为β-D-葡萄糖苷葡萄糖水解酶。EC.3.2.1.21。是葡萄糖苷酶类中的一种,为苦杏仁酶的主要有效成分。通常酶活单位定义为:在PH值5.0, 37℃的条件下,每分钟内以水杨苷为底物时、催化作用而释放1.0μmol的葡萄糖量为一个酶活单位。该酶的水解作用位点可参见苦杏仁酶。通常由苦杏仁乳浆或杏仁粉中提取分离获得。较纯的制剂达到每毫克冻干粉为2~40单位。现在已采用基因重组技术,可从大肠杆菌(E. coli)中提取,经纯化后产品已达到每毫克300~1000单位。

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