heavy atom
英 [ˈhevi ˈætəm]
美 [ˈhevi ˈætəm]
网络 重原子; 重金属
双语例句
- Compared these results with other inert atom scattering, the results show that the second Born approximation succeed in explaining electron and heavy inert atom scattering in laser field.
并对计算结果进行了分析，对比电子与其它惰性原子散射过程，表明用二阶玻恩近似理论解释在激光场下电子与较重惰性原子散射也是比较成功的。 - Light ones are more easily deflected than heavy ones, so the two forms of carbon get separated, and when each atom reaches a detector at its expected arrival spot, it can be counted.
轻的原子较重的更容易转弯，从而能分离两种碳原子，每个碳原子到达预定的监测点，计数器就会计数。 - The oxygen atom is nearly 16 times as heavy as the hydrogen atom.
氧原子的重量几乎是氢原子的16倍。 - One proton is almost as heavy as an entire atom of hydrogen.
一个质子几乎与整个氢原子的重量相等。 - This can make heavy atom derivatization in the presence of reducing agents, difficult and frustrating.
这就使得用重金属原子作同晶置换法遇到了麻烦。 - On the application of heavy atom information in direct methods& phase estimation of the structure factors in crystals containing heavy atoms
重原子信息在直接法中的应用&含重原子晶体结构因子相位的统计估算 - Information drawn from the heavy atom plays an important role in the determination of crystal structures containing heavy atoms.
重原子所提供的信息对测定含重原子晶体结构有重要的作用。 - Determination of Heavy Mental in Ganoderma by Atom Absorption Spectroscopy and Atomic Fluorescence Spectroscopy
原子吸收和原子荧光光谱法测定灵芝中的重金属含量 - The triple-mode cavity field entangled coherent state can be prepared by using Jaynes-Cumminges model of interacted heavy detuning between single-mode cavity field and two-level atom.
利用单模腔场与二能级原子相互作用的大失谐Jaynes-Cumminges模型，制备出三腔场纠缠相干态。 - Heavy Atom Effect on Terbium Sensitized Luminescence
铽离子敏化发光分析法中重原子效应研究 - In this paper a new procedure is proposed to make full use of the heavy atom information and make the combination between heavy atom method and direct method more efficient.
本文提出一种利用重原子信息的新方法。这个方法能够更充分地利用重原子信息，并能使重原子法同直接法更有效地结合起来。 - Various factors of effect on MS-RTP of QN and QD are discussed in detail including the concentration of heavy atom, the concentration of SDS, pH effect and deoxygenation condition.
详细探讨了重原子浓度、酸度、除氧剂用量等环境因素对RTP发射的影响。 - Analytical method of cyclodextrin induced room temperature phosphorescence ( RTP) of phenanthrene in the presence of cyclohexane was built, different effect factors, such as the heavy atom effect, the amounts of cyclohexane and β-cyclodextrin were discussed in detail without deoxygenation.
详细讨论了非除氧条件下的重原子效应、环己烷及超分子化合物环糊精用量对菲的室温磷光影响因素，建立了环己烷存在下环糊精诱导菲的室温磷光分析法。 - A analysis method for determination of trace carbaryl ( CBL) was established based on the room temperature phosphorescence ( RTP) induced by β-cyclodextrin(β-CD) in the presence of heavy atom perturbation of 1,2-dibromopropane ( DBP).
以1,2-二溴丙烷（DBP）为重原子微扰剂，建立了痕量西维因（CBL）的β-环糊精（β-CD）诱导室温磷光（RTP）分析法。 - The heavy atom effect of EBH and DBP is compared. The obtained results are similar each other. Meanwhile EBH is superior to DBP in the experimental condition.
详细比较了EBH和DBP的重原子效应，结果表明，二者性能类似，而EBH较DBP的实验条件宽容。 - Artificial phase degeneration in the determination of non-centrosymmetric structures(ⅱ)& an example of solving a complex heavy atom containing crystal of space group p2_1
求解非中心对称晶体结构的人工相位退化法（Ⅱ）&试解P21空间群含重原子的复杂晶体结构 - Statistical formulas for X-ray diffraction intensities for heavy-atom derivatives of protein crystals
蛋白质晶体重原子衍生物衍射强度的统计公式 - The heavy atom method of multi-solution type
多解型重原子法 - DV-X α was adapted to big molecules, especially for heavy metal atom and atom cluster.
DV-Xα方法适于较大分子，特别是重原子金属络合物和原子簇的计算研究； - Electron withdrawing groups can enhance the limiting effect for this kind of complexes, but the effect of heavy atom acts opposite role.
吸电子基团能增强该类配合物对皮秒激光的限幅效果，而重原子效应则起相反的作用。 - The structure was solved by heavy-atom method.
应用重原子法测定了晶体结构。 - Determination of its structure shows that the dihedral angle of the two five-membered rings of NTO is 82.42 °, that the ligands contain one water molecule, and the heavy atom ( Pb) is surrounded by six atoms.
结构测定表明，两个NTO五元环平面的二面角为82.42°，有一分子水参与配位，重原子铅的配位数为6。 - Determination of Nickel and Sodium from Heavy Oil by Atom Absorption
原子吸收法测定重油中镍、钠含量 - Steady state and time-resolved fluorescence spectra measurement show that the halogen atoms on the meso-phenyl group exhibit significant heavy atom effect on their photophysical property.
稳态和飞秒时间分辨荧光光谱数据显示，这些卤代Corrole的光谱性质表现出明显的重原子效应。 - Its working principle is based on probe-metal-anion coordination and heavy atom effect.
探针的工作原理是基于探针-金属离子-阴离子络合配位和重原子的三重态荧光淬灭效应。