方法研究

It is found that for a properly chosen zeroth order Hamiltonian, under adiabatic approximation, the result of quantization for both the chaotic state and the regular state has the similar precision.

本论文主要进行了如下工作：运用绝热定理的方法研究耦合系统混沌态的半经典量子化，发现对于合适选择的零级哈密顿量，经典混沌态和规则态的量子化结果，在绝热近似下有相同的精度。

The influences of zincate on the corrosion electrochemical behavior of zinc in KOH solutions were investigated by the electrochemical methods.

用电化学方法研究了锌酸盐对Zn在KOH溶液中腐蚀及电化学行为的影响，提出了K2Zn4在高浓度时对析氢反应的促进机制，并对观察到的实验现象进行了讨论

The oxidation of abietic acid was studied by UV spectrophotometer on the polyethylene film. The effect of antioxidants such as MBP, FMH, DBH, DSB3 and DSB6 on the oxidation of abietic acid was discussed. Antioxidant value was used to determine their antioxidative activities.

采用紫外分光光度分析方法研究了枞酸在聚乙烯膜上的氧化反应，考察了MBP，FMH，DBH，DSB3，DSB65种抗氧剂对枞酸氧化反应的影响，提出了用抗氧化值AO考核抗氧剂的抗氧化能力。

The structural evolution of ultrafine NiB and NiP amorphous alloys prepared by c hemical reduction during the annealing process is investigated by X-ray absorpt ion fine structure, X-ray diffraction and differential thermal ana lysis techniques.

摘 要：采用X射线吸收精细结构，X射线衍射和差热分析等方法研究了以化学还原法制备的NiB和NiP超细非晶态合金催化剂在退火过程中的结构变化。

Fluoride ions caused widespread endemic fluorosis in humans, but little attention was paid to the effect of fluoride ions on aquatic organisms. Semi-static acute toxicity trial on larval Siberian sturgeon Acipenser baeri was carried out to explore the safe criteria of fluoride to fish.

为检测氟对鱼类的生态毒性效应，在水温（17±1）℃的条件下，采用半静态式生物毒性试验方法研究了氟离子对西伯利亚鲟初孵仔鱼的急性毒性效应（氟离子浓度梯度设置为0、100、200、300、400、500、600mg·L-1）。

The effects of temperature, heating time, ratio of tea to water and pH value on extraction rate and activities of Chinensis actinidia polysaccharides were studied.

采用二次回归正交旋转组合设计方法研究温度、时间、料液比、pH值对猕猴桃果粗多糖提取率及活性的影响。

Quantum chemical and molecular mechanical methods were employed to study the acylation in the acetylthiocholine hydrolysis catalyzed by acetylcholinesterase.

应用量子化学和分子力学方法研究乙酰胆碱酯酶催化硫代乙酰胆碱水解反应中的乙酰化反应，计算了反应物、过渡态、产物及中间体的几何结构及电子结构。

The energetic and structural properties of SiH_2 adsorbed on single dimer vacancy of the Si(100)-c(4×2) surface, the structures of 0.5ML hydrogenated Si(100) surface and the deposition and diffusion behaviours of silicon adatom on the H-terminated Si (100) surfaces have been studied by using empirical tight-binding total energy calculations.

本文采用经验紧束缚近似方法研究了SiH_2在Si(100)-c(4×2)表面单空位处的吸附结构、0.5ML覆盖率氢化的硅表面结构以及附加硅原子在H-terminated Si(100)表面的沉积吸附行为。

The medium of 1/2MS+ 0.4mg/L NAA +0,2mg/L IBA was used for rooting, and the rooting rate was 75%. The origin and development of somatic embryos was observed by histological method. It was found that the somatic embryos of Aesculus hippocastanum L were developed from single cell.

通过组织细胞学方法研究体细胞胚的起源与发生部位，发现欧洲七叶树体细胞胚为单细胞起源，外植体的表面及内部都可以发生体细胞胚。

The allelopathic effect of root smashing of Stellera chamaejasme in the process of spoiled solution in the soil on the seedling growth of Agropyron mongolicum was investigated with bioassay method.

采用室内生物测定方法研究了狼毒根粉碎物在土壤里腐解过程中对蒙古冰草幼苗生长的影响。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。