相量

When the concentration of L-phenylalanine was 6 g/L,the optimum values of volume ratio of organic phase to aqueous phase,reaction temperature,pH value and liquid volume were 1∶1,30 ℃,4.0 and 20 mL/250 mL respectively. Under above optimum conditions,the content of 2-phenylethylalcohol reached 3.0 g/L 48 h later,which increased by about 50% than that in monophasic aqueous system.

当初始底物浓度为6 g/L、水和油酸的相体积比为1∶1、反应温度30 ℃和pH值4.0、装液量20 mL/250 mL 的条件下，转化48 h，产物浓度达到3.0 g/L，比单水相提高了50%。

A novel poly(phthalazine ether sulfone ketone, PPESK) stir bar was prepared. The method for analyzing trace level nitroaromatic explosives in aqueous samples by stir bar sorptive extraction coupled to GC through thermal desorption was developed.

制备了以聚醚砜酮为萃取相的新型固态萃取搅拌棒，建立了一种固态萃取搅拌棒/热解吸器直接热解吸/气相色谱联用分析水样品中痕量爆炸物的新方法。

The first year of this project studied the sintering behavior of sub-micron .theta.-alumina powders. After forming using cold isostatic pressing, green specimens were heat treated at various temperature and time. The pore size distribution, density, phase transformation, and microstructure were analyzed using mercury porosimeter, XRD, SEM.

中文摘要本计画第一年进行次微米之θ相氧化铝粉末的烧结行为研究，粉末以冷均压成型后以不同之温度及时间进行热处理，坯体/烧结体以水银孔隙仪、XRD及SEM等仪器，分析其孔隙分布、密度、相转换量、微结构等。

C18 esterified silica monolithic column emerging from chromatogram realm was made by use of solid-phase extraction medium material in μ-TAS. Several simple solid-phase extraction pretreatment units were set up to preconcentrate dobutamine hydrochloride which was detected by dobutamine hydrochloride-KMnO4-Luminol chemiluminescence system.

以改性C18反相硅胶整体柱为微流控芯片分析系统中固相萃取介质材料，构建不同功能单元的样品预处理微分析系统，实现了血清样品中痕量盐酸多巴酚丁胺的富集。

Silica and alumina, to an organic silicone rubber, ShoreA 70, to improve the hardness of silicone rubber material and the results indicated that the addition of silica improved the hardness of the material dramatically, but depressed the heat-resistance markedly; the addition of alumina improved the hardness of the material also, but more loading was needed to achieved the hardness as compared with the silica added materials.

研究发现，添加气相法白碳黑能显著提高硅橡胶的硬度，但使硅橡胶的耐热老化性能明显变差；氧化铝也可以用于提高硅橡胶的硬度，但与气相法白碳黑相比，达到相同硬度时的添加量要大的多；比较而言，通过添加氧化铝获得的高硬度硅橡胶具有较好的综合性能，更能满足电化铝烫印版的制作需要。

Acetonitrile-sodium chloride, trichloromethane and acetone-dichloromethane were used to extract organophosphorous pesticides respectively. Pulsed-flame photometer detector was used to analyze the extraction rate of these three solvents. Flame ionization detector was used to analyze the content of impurity in the samples extracted by those three solvents.

分别采用乙腈－氯化钠法、三氯甲烷法和丙酮－二氯甲烷法提取蔬菜样品中残留的有机磷农药，使用带脉冲式火焰光度检测器的气相色谱法比较了三种提取方法有机磷农药的提取效率，使用带火焰离子检测器的气相色谱法分析了三种提取方法杂质溶出量。

Nano-TiO2 reaches also to the vadose zone when content is lower. Cement paste admixing with semiconductor nano-TiO2 has mechano-electric effect, specific resistance changing is 7%～10%, however, that with non-semiconductor nano-TiO2 has not mechano-electric effect.

纳米氧化钛在较小掺量即可进入渗流区；金红石相纳米氧化钛水泥石不具备力电耦合效应；而复合具有半导体特性的锐钛相纳米氧化钛的水泥石具有力电耦合效应，一次加载至破坏，其电阻率变化率在7%～10%。

The kinetics behaviors of carbon electrode are studied by means of linear sweep voltammetry and chronoamperometry measurements. It is found that the exchange current density and diffusion coefficient of lithium increase with the increase of content of Li intercalating into carbon electrodes.

研究了各种炭材料的嵌锂动力学行为，结果表明，随着嵌锂量的增加，石墨化中间相炭微球的交换电流密度及锂在炭微球中的扩散系数增大，在充满电的状态下，锂在石墨化中间相炭微球中的扩散系数是5.58×10~(-9)cm~2·s~(-1)，远远高于在人造石墨中的扩散系数6.32×10~(-10)cm2·S~(-1)。

Investigation on the effect of Sn/Pb - dopped Bi - 2212 superconductors has been canied out by the X - raydiffraction, together with simultaneous measurements of the spectra Of POsitron annihilation lifetime and positronDoppler broadening.

以X射线物相分析为主要实验手段，并结合正电子寿命谱和多普勒展宽谱和电阻测量，系统地研究了在不同的锡掺杂量下，Bi－2212超导相结构细节及电子态的变化。

When the temperature and retention time reach 160 ℃and 80 minutes respectively , most of thesolid grease in the garbage is extracted out to become floatable oil which can be separated and recovered readily. Subsequently , the amount of floatable oil begins to decrease since chemical reactions such as the partial hydrolysis of the oil take place. Additionally , the extraction of solid grease from interior accords with first2order reaction dynamic model.

结果表明，湿热处理初期，垃圾脱水率下降，加热40min 后，脱水率开始上升，且温度越高，上升越快，180 ℃加热100min 达最高；随着温度的升高和加热时间的延长，餐厨垃圾脱油性能呈上升趋势，温度越高，上升趋势越明显；当温度达到160 ℃，加热时间达80min 时，垃圾固相油脂基本浸出完全，继续升温和加热，部分油脂发生水解等化学反应，可浮油量开始降低；垃圾固相脂质浸出符合一级反应动力学。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。