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the market demand for the buckeye, but because the buckeye conventional breeding way is seed propagation, reproductive slower, plus the buckeye rate is low and seeds, seedlings to inactivation rate is weak, so the unearthed, reproduction rate low, difficult to meet the market demand.

市场对七叶树的需求量较大，但是由于七叶树的常规繁殖途径是播种繁殖，繁殖速度较慢，加之七叶树的结实率低且种子易失活，幼苗出土率较弱，所以，繁殖率较低，难于满足市场需求。

By all appearances, if these theories could not explain the determination mechanism of interest rate in yield field and the function mechanism of interest rate influencing economy development, then the validity of interest rate policies working out according to these theories was very dubitable .

显然，如果我们不清楚利率在生产领域中的决定机制及利率对生产领域进而对经济发展的作用机理的话，那么依据这样的理论而制定的利率政策的有效性就非常值得怀疑的了。

The results show that during bioleaching the chalcocite decom posed by two stages, the stageⅠis controlled by the concentration of ferric, with the increase of ferric concentration the oxidation rate of chalcocite is enhanced. The rate of stageⅡis slower than that of the stageⅠand it acts as the confining stage, and the concentration ratio of ferric to ferrous influences the oxidation rate at this stage.

计算与实验结果表明：模型仿真结果与实际结果较符合；堆浸过程次生硫化铜矿的氧化分为2个阶段，其中，辉铜矿反应步骤Ⅰ受溶液Fe3+浓度控制，随着Fe3+浓度增加，反应速率加快；反应步骤Ⅱ较反应步骤Ⅰ慢，为浸出反应的限制性步骤， Fe3+与Fe2+的浓度比是影响该反应步骤的关键因素。

4Demurrage/dispatch as per governing charter party but demurrage rate is subject to maximum US$ 16,000 and minimum US$8,000. Dispatch rate is half of demurrage basis per day or pro-rata for part of the day. Seller shall declare Demurrage/Dispatch rate upon vessel nomination. Demurrage/dispatch has to

滞期费/速谴费率按照租船人，但最多USD16，000，最少为USD8，000，速谴费率为滞留率的一半；卖方定船后申明滞期费/速谴费率，滞期费/速谴费率在卸船后30天之内付清。

Consequently, we can deduce factors affecting company's growth rate through WACC formula during terminal growth period. Then the company's terminal value growth rate in steady growing period can be obtained by analyzing these factors. Our result shows Chinese company's terminal value growth rate in steady growing period is 3%-5%.

为此，可从永续增长阶段的WACC的传统公式推导出影响公司增长率的因素，通过这些影响因素的分析，确定最终公司在稳定增长阶段的永续增长率，结果显示，中国公司在稳定增长阶段的永续增长率的取值范围为3％—5％。

Researched influence of frequency on characteristic of electromagnetic wave transmission in tunnels, and analyzed characteristic of electromagnetic wave transmission in circular, arches and curved tunnels by method of metal wave guide, and gives approximate formulas of attenuation rate. Main conclusions we obtain are as follows: in circular,rches tunnels, if frequency is higher, attenuation rate is smaller, it is beneficial for EM waves to transmit, in curved tunnel, higher frequency, more attenuation rate ...

研究了频率对井下电磁波传输特性的影响，采用金属波导法分析了圆形、拱形及弯曲隧道中电磁波的传输特性并给出衰减率近似公式，得出主要结论：在圆形和拱形隧道中，频率越高，衰减率越小，越有利于电磁波的传播；在弯曲隧道中，频率越高，衰减率越大，不利于电磁波的传播；通过特性曲线与井下实验数据相比较得出在900MHz左右为井下无线通信系统传输信号最佳频段。

Transmission Electron Microscope and other properties testing results show that the complex emulsifier system is the crucial influence factor of the polymerization process and the properties of products. It may influence the coagulum content and reaction rate of the polymerization process, the performance, particle diameter,viscosity, electrolyte stability and storage stability of the emulsion products and the contact angle of the film.The initiator mainly influences the coagulum content and reaction rate.The acrylic monomers mainly influence the solid content, Minimum Film Formation Temperature of the emulsion and the Glass Transition Temperature of the film.The organic silicone monomer mainly influences the water absorption of the film.The reaction temperature mainly influences the reaction rate and conversion.The stirring intensity mainly influences the coagulum content of the polymerization process.

透射电镜等性能测试结果显示：复合乳化剂体系是硅丙共聚乳液的聚合过程及产品性能的主要影响因素，它可以对聚合过程的凝胶率、反应速率以及乳液的外观、粒径、粘度、耐电解质稳定性及贮存稳定性，还有乳液涂膜的接触角等造成不同程度的影响；引发剂主要影响反应速率和凝胶率；丙烯酸酯单体主要影响到乳液的固含量、最低成膜温度以及涂膜的玻璃化转变温度，有机硅单体主要影响涂膜的吸水率等；聚合反应温度主要影响乳液的反应速率和转化率等；搅拌强度主要是影响到聚合过程的凝胶率。

The results show that the flow stress decreases with increasing deforming temperature and increases with increasing strain rate. The flow stress of the alloy during hot compression deformation can be described by constitutive equation in hyperbolic sine function with a hot deformation activation energy of 196.27 kJ/mol. Partial recystallization takes place in the alloys deformed at a high temperature or at a low strain rate, and large number of dislocations and subgrains are observed in the alloy. The elongated grains observed in the samples coarsen with increasing temperature and decreasing strain rate. Correspondingly, the subgrain size increases and the dislocation density decreases. The main soften mechanism of the alloy transforms from dynamic recovery to dynamic recrystallization.

结果表明：Al-Cu-Mg-Ag耐热铝合金在热压缩变形中的流变应力随着温度的升高而减小，随着应变速率的增大而增大；该合金的热压缩变形流变应力行为可用双曲正弦形式的本构方程来描述，其变形激活能为196.27kJ/mol；在变形温度较高或应变速率较低的合金中发生部分再结晶，并且在合金组织中存在大量的位错和亚晶；随着温度的升高和应变速率的降低，合金中拉长的晶粒发生粗化，亚晶尺寸增大，位错密度减小，合金的主要软化机制逐步由动态回复转变为动态再结晶。

In the one half part, according to the strontium nature, thermodynamic calculation of correlative reaction and the principle of the vacuum aluminothermy reduction process, with the laboratory findings of preparation strontium by vacuum aluminothermy reduction compared and analyzed in different parameter conditions, a variety of factors which effect the decomposition rate of SrCO_3 and the percent reduction of strontia are gotten out. The factors include that the decomposition rate of SrCO_3 is influenced by different addition and pressure. They also include that the percent reduction of strontia is influenced by excess coefficient of reducing agent aluminium powder, the particle size of raw material or reducing agent, the pressure of barbecuing, temperature and reduction time. According to those, we can draw the conclusion as follows:(1) Decomposition temperature of SrCO_3 is decreased by adding carbon and alumina in different degree.(2) With quantitative carbon added under the vacuum condition, the decomposition temperature of SrCO_3 is decreased obviously, which can fall 150℃ compared with atmospheric pressure.(3) In keeping 1150℃ of 2.5h, under the 5Pa vacuum condition, the decomposition rate of SrCO_3 nearly keeps in 99% steadily.

在前半部分的真空铝热还原法中，根据锶的性质、相关反应的热力学计算及真空铝热还原法原理，通过对不同参数条件下的真空铝热还原法生产金属锶的实验结果的分析比较，得出了影响SrCO_3的分解率和氧化锶的还原率的种种因素，具体因素包括不同添加剂、不同气压对SrCO_3分解率的影响，还原剂铝粉的过量系数、原料与还原剂的粒度、制团压力、温度和还原时间等对氧化锶还原率的影响，得出具体结论如下：(1)添加碳和Al_2O_3能不同程度的降低SrCO_3的分解温度；(2)真空条件下加入一定量的碳可显著降低SrCO_3的分解温度，比之常压下可降低150℃之多；(3)在1150℃恒温2.5h、真空度达到5Pa的条件下，SrCO_3的分解率几乎保持稳定在99％；(4)氧化锶的还原率随还原剂过量系数的增大而增大，但是趋势越来越小，当过量系数超过25％后，氧化锶的还原率几乎不再增加；(5)氧化锶的还原率随原料与还原剂的粒度的变细而增加；(6)氧化锶的还原率随制团压力的增加而增加，但超过一定值后，氧化锶的还原率反而会下降；(7)氧化锶的还原率随还原温度的升高而增加；(8)氧化锶的还原率随还原时间延长而增加，在本实验条件下，超过2.5h趋于稳定。

Under the visible light catalysis, along with hard content's increase, the methyl orange degeneration rate increases gradually, when TiO2/the Fe2O3 compound proportion is 20:2, has the anatase structure catalysis effect to be best, the degeneration rate achieves 87.2%, but when the compound proportion surpasses 20:2, the degeneration rate drops.

在可见光的催化下，随着铁含量的增加，甲基橙的降解率逐渐增加，TiO2/ Fe2O3复合比例为20：2时，具有锐钛矿型的结构催化效果最佳，降解率达到87.2%，而当复合比例超过20：2时，降解率有所下降。

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。