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RESULTS: SEM results showed that the fiber morphology of P(50/50) 6% nanofibers membrance was better and more uniform diameter distribution. Mechanic test indicated nanofibers membrance of P(50/50) had longer breaking elongation but smaller breaking stress than nanofibers membrance of P(75/25). Hydrophilicity of P(75/25) fibers was better. MTT results proved that 6% and 8% P(50/50) nanofibers could enhance the adhesion and proliferation of endothelial cells on the surface of materials, and the cells had the best spreading and attachment on the nanofibers.

结果:通过扫描电镜观察发现由质量分数为6%聚(50/50)制备的纤维膜具有更好的纤维形态,且直径分布均匀;拉伸力学测试显示由聚(50/50)制备的纤维膜比聚(75/25)具有更高的断裂伸长率,但断裂应力较低;细胞生物相容性实验表明猪髋动脉内皮细胞在质量分数为6%和8%聚(50/50)的纳米纤维膜上更能有效的黏附与增殖。

In Chapter 4, we consider more complex fractional nonlinear differential equation,also using the high order approximation presented by Lubich to construct correspond-ing numerical scheme and giving the error analysis of the algorithms.

在第四章中,进一步的考虑更复杂的非线性分数阶常微分方程,同样利用的是Lubich提出分数阶导数的高阶近似,构造相应的数值格式,并给出这一算法的误差分析,即相容性,收敛性和稳定性的证明。

In chapter 3, we study pricing of geometric average Asian capped calls, pricing of geometric average Asian option with transaction cost, pricing of the two kinds of exotic option in Fractional Brownian motion environment, pricing of capped calls with transaction cost in fractional Brownian motion environment.

在本文的第三章,研究了几何平均亚式上限型买权的定价,有交易成本的几何平均亚式期权的定价,分数次布朗运动环境中两种奇异期权的定价,以及分数次布朗运动环境中有交易成本的上限型买权的定价。

The eluents were water, 10%, 20 %, 30 % and 50 % ethanol respectively and they flowed through the macroporous resin one by one with five times of the column volume. The obtained eluent of 50 % ethanol was evaporated and the content of total flavonoids was 76 % measured by HPLC.

结果 选择AB-8大孔树脂;最佳纯化工艺为上样液总黄酮质量浓度 60 mg·L-1,pH 5.0,温度 25 ℃;最佳洗脱方式是用5倍柱体积的水及体积分数分别为10 %、20 %、30 %的乙醇依次洗脱,弃去洗脱液后再用5倍柱体积的体积分数为50 %的乙醇洗脱;HPLC法测定总黄酮的含量为76 %。

Use a highe r setting for lig hterimages or lower for darker images.

较浅色的图像用较高的分数,较深色的图像用较低的分数。

Red light can also reduce gibberellin content, which minishes internode length and plant height; however, far red light (700 -800 nm) can have the opposite affect and enhance GA.

光同时是植物形态形成的信号源。600~700nm的红光能降低植物体内赤霉素的质量分数,从而减小节间长度和植株高度;而700~800nm的远红光能提高体内赤霉素的质量分数,从而增加节间长度和植株高度。

In order to obtain the processing parameters of high speed depositing nickel film, experiment was undergone by metallic organic chemical vapor deposition with nickel carbonyl as precursor.

为了获得高速沉积镍膜的工艺参数,以羰基镍 [Ni 4 ]为前驱体,用金属有机物化学气相沉积法进行试验,以SEM ,DSC ,XRD测试分析技术探讨了载气、温度和羰基镍的摩尔分数对沉积速率的影响;也探讨了温度及羰基镍的摩尔分数对镍膜微观形貌的影响。

Results The mixture of 3 % mannitol and 3 % sucrose could better prevent nanoparticles from aggregating, the optimal lyophilization process was followed: precooled at –45 ℃ for 12 h; primary drying at –35 ℃ for 1 h; secondary drying at –20 ℃ for 12 h; finally drying at 10 ℃ for 3 h.

结果 处方中加入质量分数为3 %的甘露醇水溶液和质量分数为3 %的蔗糖水溶液作为保护剂可以较好防止纳米粒的聚集,优化的冻干工艺为-45 ℃预冻12 h,升温至-35 ℃维持1 h,再升温至-20 ℃维持12 h,最后升温至10 ℃维持3 h。

Summary: Regard guava as raw materials, adopt the organic solvent to extract the law, pass the single factor experiment and orthogonal experiment, to influence many phenol draw abstraction pharmaceutical kind of quantity, draw pharmaceutical volume mark, draw time, draw temperature factor go on the discussion compared with material liquid,etc., the ones that confirm much phenol of guava draw the craft parameter bestly: Volume mark 70% ethanol according to material 1:10 volume ratio of liquid, 70 ℃lay reflux draw 40min in temperature, many abstraction amount of phenol can reach 62.35mg/g be thing.

问题补充:不好意思,我修改了一下摘要,正文应该是:以番石榴为原料,采用有机溶剂萃取法,通过单因素实验和正交实验,对影响多酚提取量的提取剂种类、提取剂体积分数、提取时间、提取温度和料液比等因素进行探讨,确定番石榴多酚的最佳提取工艺参数为:体积分数为70%的乙醇按1∶10的料液比,在温度70℃下回流提取40min,多酚的提取量可达到62.35mg/g干物。

Refer to appendix 3 for scoring paper applied by teachers to evaluate the action plan or by adjudicators to assess the competition method.

教师使用的评价方案的分数表或评审员使用的评判竞赛方案的分数表参见附录三。

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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.

然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。

A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.

付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。