构型转化,configuration transformation
1)configuration transformation构型转化
1.L-histidine and DL- phenylglycine can be obtained by protein hydrolysates or chemical synthesis, while D-histidine and D-phenylglycine are difficult to obtained from natural products in large quantities and always be obtained byconfiguration transformation .L-组氨酸和DL-苯甘氨酸可通过发酵法、蛋白质水解或化学合成获得，D-组氨酸和D-苯甘氨酸难以从天然产品中大量提取，要通过构型转化或拆分获得，价格高昂。
2)isomerization[ai,s?m?rai"zei??n]构型转化
1.Objective:To investigate theisomerization of monomethyl maleate catalyzed by the combination of NaBr and K2S2O8.目的：探讨溴化钠和过硫酸钾催化下马来酸单甲酯的构型转化反应。
2.Objective To investigate theisomerization of monomethyl maleate catalyzed by the combination of H 2NCSNH 2,HCl and NaHSO 3.目的 :探讨硫脲、盐酸和亚硫酸氢钠催化下马来酸单甲酯的构型转化反应。
3)structural transition构造转型
1.Characteristics and prospecting meaning of sedimentary basin instructural transitional stages in Kongdian formation of Jiyang depression;济阳孔店构造转型期沉积盆地的特征及勘探意义
2.The basin evolution history is analyzed in the view ofstructural transition and its stage on the basis of some reversal structures founded in recent years in Jiyang depression.依据济阳坳陷近几年发现的一些反转构造 ,从构造转型和构造转型期角度对其演化史进行了分析 ,认为济阳坳陷的演化经历过四次大的周期性构造转型 ;指出孔店组沉积时期是济阳坳陷从中、古生界构造体系向第三系构造体系转换的重要转型期。
4)rotor configuration转子构型
1.The effects of differentrotor configuration on carbon black dispersion and the mechanical properties of rubber compound were studied.主要研究了不同转子构型对炭黑分散性及胶料力学性能的影响。
英文短句/例句
1.Mathematical model of relationship between geometrical parameters of mixer rotor and power consumption密炼机转子构型参数与功率关系的数学模型
2.Discussion about Framework Transition of Collar Forma and Model Combination论领子造型的结构转换关系与模型组合
3.Theoretical Study on Odd A Isotopes Energy Level with Particle-Triaxial-Rotor Model;粒子—三轴转子模型对奇A核能级结构的研究
4.Structure and Parameter Calculation for A Novel Hybrid ALA Rotor Motor新型组合式轴向叠片转子电机结构及参数计算
5.Screen for Prognostic Factors of Spinal Metastases and Establishment of Cox Model;脊柱转移癌预后相关因子筛选及Cox模型构建
6.Synthesis, Structures and Properties of New M-TCNX Charge-transfer Compounds新型M-TCNX电子转移体的合成、结构和性质
7.Design of Flexible Rotor Structure for Ultrasonic Motors行波型超声波电动机柔性转子结构设计
8.Forbidden Band and Reforming of the Elastic Wave in Solid and Solid Constitute Phononic Crystal固-固结构声子晶体中弹性波的禁带及其转型
9.FEM analysis of structure of shearing-meshing rotor during the mixing process混炼过程中剪切啮合型转子的有限元结构分析
10.Structure Transition and Luminescence Properties of CdTe/CdS Quantum DotsCdTe/CdS量子点的Ⅰ-Ⅱ型结构转变与荧光性质
11.Optimization Design of Structural Parameters of Rotor System in a Large Centrifugal Compressor大型离心压缩机转子系统结构参数优化设计
12.Analysis on three typical lumen structure of spherical hollow be rotor三种典型内腔结构球形空心铍转子的分析
13.Research on a Novel Rotor Structure Switched Reluctance Motor一种新型转子结构开关磁阻电动机的研究
14.Design of YKS710-2 High Speed Asynchronous Motor"s RotorYKS710-2型高速异步电动机的转子结构设计
15.Cage rotor structure effect on magnetic field modulation of brushless doubly-fed machine无刷双馈电机笼型转子结构对磁场调制的影响
16.Molecular simulation of the glass transition of different configuration of polypropylene不同构型聚丙烯的玻璃化转变温度的分子模拟
17.Transformation from Type-Ⅱ to Type-Ⅰ Excitons in Spherical Core-shell Quantum Dots球型核壳量子点结构中二类激子向一类激子的转化(英文)
18.Study of conformational property of a three-fold rotational isomeric state polymer chain model三重旋转异构态近似模型的高分子链构象性质的研究
相关短句/例句
isomerization[ai,s?m?rai"zei??n]构型转化
1.Objective:To investigate theisomerization of monomethyl maleate catalyzed by the combination of NaBr and K2S2O8.目的：探讨溴化钠和过硫酸钾催化下马来酸单甲酯的构型转化反应。
2.Objective To investigate theisomerization of monomethyl maleate catalyzed by the combination of H 2NCSNH 2,HCl and NaHSO 3.目的 :探讨硫脲、盐酸和亚硫酸氢钠催化下马来酸单甲酯的构型转化反应。
3)structural transition构造转型
1.Characteristics and prospecting meaning of sedimentary basin instructural transitional stages in Kongdian formation of Jiyang depression;济阳孔店构造转型期沉积盆地的特征及勘探意义
2.The basin evolution history is analyzed in the view ofstructural transition and its stage on the basis of some reversal structures founded in recent years in Jiyang depression.依据济阳坳陷近几年发现的一些反转构造 ,从构造转型和构造转型期角度对其演化史进行了分析 ,认为济阳坳陷的演化经历过四次大的周期性构造转型 ;指出孔店组沉积时期是济阳坳陷从中、古生界构造体系向第三系构造体系转换的重要转型期。
4)rotor configuration转子构型
1.The effects of differentrotor configuration on carbon black dispersion and the mechanical properties of rubber compound were studied.主要研究了不同转子构型对炭黑分散性及胶料力学性能的影响。
5)configurational transition构型转换
1.Structural optimization andconfigurational transition of C_n(n=2-20);碳原子簇 C_n(n=2-20)的结构优化及构型转换
6)geometric structure change构型转变
延伸阅读
构型转化当旋光化合物（见旋光异构）分子发生化学反应时，如果试剂进攻手征性基团，则生成产物的构型（见分子的构型）往往与原分子的构型相反，即由R构型变成S构型或由S构型变成R构型，这种转化仅指发生反应的手征性基团部分。通常，在双分子亲核取代反应（见亲核反应）中几乎都发生构型转化，例如在卤代烃的水解反应中：OH-总是从卤素的反方向进攻碳原子,生成含有五配位体的中间过渡态，这时RR′R″处于与OH、X基成垂直的平面上。当卤原子离开时，则RR′R″基翻转过来,产物就转化为与原物相反的构型。
