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In chapter 2,the main research contents and typical works in theoretical research area on amino acids and oligopeptides were introduced.This includes studies performed on structures,electronic properties,weak intramolecular interactions,protonation and deprotonation,conformer conversion,metal ion binding,solution effects and etc.

第2章给出了氨基酸和寡肽分子体系理论计算领域的主要研究内容和研究热点，这包括氨基酸和寡肽分子的稳定结构，电子性质，内部弱相互作用，质子化和去质子化过程，构象转换，金属离子结合及溶液效应等多方面的研究。

The influences of the inclusion of Na~+ into each conformer (C7AB, C7"AB, C7eqB, C5A, C7axB orα"B) of AD molecule on the Ramachandran angles of molecular backbone and the hydrogen bonds in AD moiety were discussed in detail. It was found that in the forming process of bidentate structures of Na~+-AD ion-complexes, the original H-bonds in AD molecule were fully broken down, accompanying with the new formation of the two Na-O bonds.

论文中详细探讨了Na~+-AD络合离子六种构象的空间构型，分析了丙氨酸二肽与Na~+作用过程中AD分子骨架Ramachandran角及分子内N(1)–H(1)…O(2)、N(2)–H(2)…O(1)、N(1)–H(1)…N(2)和N(2)–H(2)…N(1)氢键的变化，研究发现Na~+与AD分子形成双齿结构时，AD骨架中原先的氢键全部被破坏，继而形成了两个新的Na-O键；Na~+与AD分子形成单齿络合离子时，AD骨架中原先的氢键或者得到增强或者断裂之后出现新的强度更大的氢键。

Simulat ion shows that the improved neural network has successfully modeled the continuo us flow stirred tank reactor system.

该算法提高了径向基函数神经网络的泛化能力和鲁棒性，研究表明是一种有效的"黑箱"动态建模方法。

The experimental results show that plasma emission spectra are composed of atomic spectrum, univalent ion spectrum and continuous radiation.

结果表明：等离子体辐射光谱线由原子光谱线、一价离子光谱线及连续辐射背景光组成。

Electrochromic ion pump caused by changes in the characteristics of membrane potential can cite the following: there is no equilibrium potential; not accompanied by increased membrane resistance; hairy Convolvulus case may disappear, such as glycosides.

电致离子泵引起的膜电位变化的特征可以举出这样几点：不存在平衡电位；不伴有膜电阻的增大；遇多毛旋花苷可消失等。

It could reveal injury appearance of corpus callosum and brain stem clearly. Hypothermic therapy and calcium ion antagonist were used.

DAI的治疗以非手术治疗为主，亚低温治疗是处理DAI的关键。

The key of the intermediate treatment lies on the proper saucer leaning with slow corrodent, proper Ar ion bombardment sputtering and pre-deposition of pure titanium layers. Measurement of the adhesion force of the composite coatings verified that all the four TiN composite coatings possess higher adhesion strength when compared with the single TiN coating.

在对复合涂层和各单层的制备技术、组织结构、以及涂层的结合力、显微硬度、常温磨损性能、高温氧化特性、高温磨损特性、冲击韧性和模具上的实际应用等方面进行横向比较和全面研究的基础上，首次建立了四种复合涂层及各单层的较全面、系统的综合性能评价体系，为TiN复合涂层的开发和应用提供了理论依据和实验指导。

A universal analytic potential energy function is derived using the cosine function with a phase factor,which is suitable to be applied to the interactions between two atoms in a molecule or molecule and ion.5 kinds of common potential curves are obtained by adjusting phase factors.

利用一种带相位因子的余弦函数，导出了适用于双原子分子或分子离子间相互作用的普适性解析势能函数，通过调节相位因子可获得5种常见形态的势能曲线。

The excessive use of paper and Board have quantitative and qualitative filter paper filter paper, filter paper, non-concenrated heatsealing-tea, chromatography concenrated, concenrated, industrial oil filter paper velcanized, J-140 oil filter paper, WJ-140 oil filter paper, J-85 oil filter paper, concenrated, diesel 5um fine C-170 diesel concenrated, diesel, filter-concenrated velcanized WC-150-paper, HM－180 aviation fuel filter paper, concenrated, concenrated, J－180 cotton gum gum concenrated M－150 cotton, non-leaching 530 concenrated, heatsealing concenrated, tea-K-120 air concenrated, concenrated, K-280 air K-80 air concenrated, 1＃ concenrated, concenrated, no. 2, no. 1, no. 2, micro-micro-concenrated, concenrated, 3＃ concenrated, 01Service, micro-luftfilter paper, 02 luftfilter paper, no. 03 luftfilter paper, 04, 05 luftfilter paper, luftfilter paper, S-06, luftfilter paper, desert air concenrated concenrated, MH-530, concenrated, C-180 1.5th-reliable gold cotton concenrated diesel concenrated, NC－220, concenrated, beer wrinkles 220 filter paper, in addition to the gingivalis concenrated, glass fiber filter paper, milk filter paper, jungsoo paper, mtastasis filter paper, precision grinder concenrated concenrated, hydraulic oil, activated carbon filter paper, activated carbon for radioactive gas concenrated CA、doped etrieve concenrated WG-59, corrugated paper, oil and gas separation and filtration of filter paper, slot filter paper, smoke meters with a filter paper, lead filter paper, high-temperature air filter paper, ion-exchange resin concenrated, concenrated, cationresin fiber is not removing bacteria-pingment shimian filter plate, pingment removing bacteria-net filter plate, pingment removing bacteria-net filter plate, concenrated SI wrinkles, high efficiency filter Corrugating medium, 69-gas mask filter paper, 69-clean air concenrated, 49-clean air concenrated, 0.1um concenrated, the rituals associated with high efficiency air wrapping paper, three concenrated.

过虑用纸和纸板有定量滤纸、定性滤纸、滤芯纸板、非热封型茶叶滤纸、色层分析滤纸、工业滤纸、机油滤纸原纸、J-140机油滤纸、WJ-140机油滤纸、J-85机油滤纸、5um细柴油滤纸、C-170柴油滤纸、柴油滤纸原纸、滤油纸、WC-150燃油滤纸、HM－180航空滤纸、J－180棉胶滤纸、M－150棉胶滤纸、未浸530滤纸、热封型茶叶滤纸、K-120空气滤纸、K-280空气滤纸、K-80空气滤纸、1号滤纸、 2号滤纸、1号微滤纸、2号微滤纸、3号微滤纸、01号空气过滤纸、02号空气过滤纸、03号空气过滤纸、04号空气过滤纸、05号空气过滤纸、S-06 号空气过滤纸、沙漠空气滤纸、MH-530滤纸、1.5棉机滤纸、C-180金子棉柴油滤纸、NC－220滤纸、皱纹220滤纸、啤酒过滤纸、除菌滤纸、玻璃纤维过滤纸、牛奶过滤纸、净水纸、癌细胞过滤纸、精密磨床用滤纸、液压油滤纸、活性炭滤纸、放射性气体测定专用活性炭滤纸、含合成纤维滤纸、无波纹板 WG-59过滤纸、油气分离过滤纸、缝隙过滤纸、烟度计用滤纸、铅烟过滤纸、耐高温空气过滤纸、离子交换树脂填充滤纸、阳离子交换纤维滤纸、未涂膜除菌型石棉滤板、涂膜除菌型液净滤板、未涂膜除菌型液净滤板、SI皱纹滤纸、高效滤清器瓦楞原纸、69型防毒面具过滤纸、69型净化空气滤纸、49型净化空气滤纸、0.1um高效空气滤纸、泡茶包装纸、三滤纸。

Bamboo charcoal will release negative ion as plantation, countercheck oxidation, decontaminate air, produce a healthly space.

竹炭会释出与森林浴相同功效的负离子，可以防止氧化及净化空气，营造更适合人类活动的生活空间。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。