方法研究

The bonding properties and electronic structure of the inequivalent oxygen atoms on MoO 3 (100) and (010) crystal surfaces were studied by ab initio Hartree Fock method.

用从头计算Hartree Fock方法研究了MoO3(0 10 )和(10 0 )晶面上几种结构不等价氧的成键特征和电子结构，并考察了H+在不同氧位上的吸附性能以及吸附后形成的OH从表面脱附的性质。

An accurate and effective numerical method is employed to study the propagation characteristics of ultra-short laser pulse in inhomogeneously broadened two-level medium.

用数值计算的方法研究了非均匀展宽二能级体系中超短激光脉冲的传播特性。

And then hp version discontinuous space-time finite element methods is used for a kind of Volterra integrodifferential parabolic equation with weakly singular kernel.The uniqueness of the approximate solution of the equation and the error estimate for time in L_2 norm and space in L_2 norm is obtained.

其次利用hp间断有限元方法研究一类Volterra偏积分微分方程，证明了离散解的存在唯一性，并得到了时间L_2、空间L_2模的指数型误差估计。

The effects of interatomic potentials on the action of helium in α- Fe are investigated by using molecular dynamics simulations.

采用分子动力学方法研究了不同相互作用势对氦在α-Fe中行为的模拟结果的影响，发现不同的作用势会影响到单个氦原子在α-Fe中的稳定位置，但对氦泡中氦原子的分布无实质性影响。

The results show that the interaction mode is mainly electrostatic interaction in the low concentration of dobutamine and adrenaline whereas intercalative binding plays a dominant role in their high concentration.

本文利用光谱和电化学方法研究了儿茶酚胺衍生物与小牛胸腺DNA之间的作用机制。

In this paper, finite-time thermodynamics is applied to optimize the intercooling pressure ratio and the heat conductance distribution of hot- and cold-side heat exchangers, intercooler and regenerator of a real closed intercooled regenerated Brayton cycle. Double-maximum efficiency is obtained by further optimizing the total pressure ratio. The effects of some important parameters on the optimal results are analyzed by detailed numerical examples.

该文应用有限时间热力学方法研究了实际闭式燃气轮机循环热效率最大时高低温侧换热器、回热器和中冷器的热导率最佳分配和最佳中间压比分配；进一步对总压比优化可得到双重最大效率；分析了循环的一些重要参数对性能的影响。

It has been found that the electron intrapair and interpair correlation energies are very sensible to orbitals.

在6-311+G^*基组水平上用CISD（configurationinteractionwithsinglyanddoublyexcitedconfigurations方法研究HX体系电子对内、对间的相关能。

The adsorption and self-assembly of isocyanide derivatives on Au(111) surface were investigated by density functional theory and molecular dynamics simulation.

本文通过密度泛函理论和分子动力学模拟方法研究了异氰衍生物在Au(111)表面的吸附和自组装。

This study was conducted in Shao-ya diaklings,a laying type duck,to determine its abilities of meat production and feed protein utilization before 12 weeks of age.In the grouped feeding trial and nitrogenbalance test,five isoenergetic diets(2950 kcal calculated ME/kg as fed)were used.The crude proteinquality was essentially the same,and their contents were 27.5,23.0,18.4,15.2,and 12.0,respectively.The results were as follows.The growth rate of draklings increased almost linearly during the first 3 we...

用分组饲养试验和代谢试验方法研究用等能量饲粮，不同粗蛋白水平对公绍鸭12周龄前生长和CP利用能力的影响，结果表明：在前3周内日增重随周龄提高近直线上升，5至6周出现高峰；增重与饲粮CP％、CP采食量间，前3周均呈显著正相关(P≤0.05)，以后则在Ⅰ到Ⅳ组范围内呈显著负相关(P.05)，而CP％最低的Ⅴ组不受周龄影响；测得氮存留率为27.4—55.5叻，平均41.5％；公绍鸭生长对CP水平的要求，前3或4周约20—22％，第4—8周15％或略高，其后降至13—14％；公绍鸭养作肉用，在6周龄前后上市可望获利，但此时体重尚轻，到8周龄后，因饲料耗用比过高，只宜进行牧饲或散养。

The results agree with those by using isotopic method reported in the literature.

与文献报道的同位素方法研究结果相同。

He is the most remarkable man that I have ever known.

他是我知道的人中最值得注意的人。

Increased appearance of lymphocele was noticed in patients with diabetic nephropathy, congenital malformations of the urinary tract, and inflammatory diseases, including glomerulopathy and extraglomerular ones, after high-voltage radiotherapy and after removal of the renal graft.

经过高压放射疗法和切除移植肾后，在糖尿病肾病患者、泌尿系统先天性畸形患者和炎症患者身上发现淋巴囊肿有所增加，包括肾小球病和球外疾病等。