1)  β-aminopropyl alcohol
β-羟基异丙胺
2)  β-hydroxyisopropylamine
β-羟基异丙胺
3)  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。
4)  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。
5)  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
6)  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。
参考词条
补充资料:β-羟基异丙胺
分子式:CH3CH(NH2)-CH2OH
CAS号:

性质:又称2-氨基-1-丙醇,β-羟基异丙胺,β-丙醇胺。有右旋(d-)、左旋(l-)、外消旋(dl-)三种光学异构体。由N-苄基-β-氨基丙醇经催化还原制成。用于有机合成,用作乳化剂。(1)右旋体   衍生物:草酸盐(C3H7NO)2·C2H2O4旋光度-18.8°;N-苄基化合物熔点47~49℃,旋光度-44.25°(4%乙醇);苦味酸盐熔点73~75℃。(2)左旋体 无色液体,沸点72~73℃(1.466kPa)。相对密度()0.965,旋光度+15.8°;其衍生物:草酸盐旋光度+18.8°(2%水),熔点171℃;N-苄基化物,橡胶状,旋光度+44°(4%乙醇)。(3)外消旋体 沸点173~175℃,能溶于水、乙醇、乙醚;其衍生物:盐酸盐,板状结晶,熔点86~87℃(分解);氯铂酸盐,黄棕色板状结晶,熔点198~199℃(分解);N-苄基化物,沸点155~157℃(266.644Pa),熔点70~72℃;N-苄基化物盐酸盐,熔点111~113℃;N-苄基化物苦味酸盐,熔点135~137℃。

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