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Main purification role is played by artificial medium and aquatic macrophyte in pollutants removal, but the Corbicula fluminea introduced to food chain of combined floating bed enhances the purification effect through the ways as follows: improving the resolvability, ammonification and biodegradability of particulate organic matters, meliorating the substrate supply condition for absorption of plant and degradation of microorganism attached on artificial medium, hastening the growth and activity of microorganism.

污染物的直接净化主体为人工介质和水生植物单元，但在生态浮床中引入河蚬增加水生动物单元，通过食物链的"加环"作用，提高了颗粒性有机物的可溶化和无机化以及可生化性，改善了植物吸收以及人工介质单元生物膜中微生物的基质条件，促进微生物的生长和活性，提高了浮床的净化效果。

A deflection angle of acoustooptical Bragg diffraction on an acoustic-optical medium is modulated by ultrasonic, and on the other hand, surface acoustic wave propagation velocity can be influenced by rotational velocity Ω of SAW medium.

摘 要：声表面波陀螺效应表现为SAW介质旋转角速度Ω对SAW波速的调制作用，以及对布拉格衍射角的调制作用。

The angular distribution of the scattering coefficient of the HH polarization is obtained by numerical implementation, the influence of the fractal dimension, the special fundamental frequency, the scale interval, the permittivity of substrate medium, the permittivity and the mean layer thickness of intermediate medium, the root mean square of rough surface, and the frequency of the incident wave on the bistaticscattering coefficient is discussed.

通过数值计算得到了HH极化下双站散射系数随散射角的变化曲线，讨论了分维、空间基频、标度区间、底层介质介电常数、中间介质介电常数和厚度、粗糙面高度起伏均方根及入射波频率对双站散射系数的影响，得到了平面波入射一维带限Weierstrass分形分层介质粗糙面散射系数的分形特征、基本特征、分区特征和随频率变化的特征。

Data of body of fluid wrap up reveals those who give this bed to be a model is medium antimonial bed of low tepid fluid, its are into mine fluid in microtherm, low salinity, medium density heats up fluid.

流体包裹体资料揭示出该矿床为典型的中低温热液锑矿床，其成矿流体为中低温、低盐度、中等密度热液。

In this study, we isolate, purify and characterize endo-β-glucanase by Ascomycete Xylaria regalis. The cellulose-containing medium is used to induce the production of the cellulose-degrading enzymes. When these enzymes are produced at maximum level, we harvest and filtrate the culture medium. The filtrate is purified by anion exchanger column and hydrophobic interaction column (phenyl-650M). The purification fold of endo-β- glucanase increases 4.3 times, the specific activity approaches 3.7 unit/mg, and the recovery is 27.6%, respectively.

为了分离且纯化此株菌产生在培养基中的endo-β-glucanase，先将此菌在cellulose液态培养基中大量培养，在此酵素达到最高峰时，利用滤纸过滤将菌丝及菌液分开，收集粗酵素液，再经过阴离子交换树脂及疏水性层析管柱(Phenyl-650M)等步骤予以纯化，所得到最终酵素纯度为 4.3倍，比活性为3.7 unit/mg，回收率为27.6%。

Result The cell of the fungi was oval and monopole budding. The fungi had deposition and zone in liquid medium, its colony was red with smooth and gray surface, regular edge and sticky texture in solid medium, and the fungi had no ascospore and could not produce pseudohypha. The fungi was negative through glucose ferment and it could assimilate potassium nitrate.

结果］该菌细胞卵形，单极芽殖；在液体培养基中有沉淀且有菌环；在固体培养基中，菌落红色，表面平滑、暗淡，边缘整齐，质地粘稠；无子囊孢子；无假菌丝形成。

We have previously demonstrated the presence of ammonium in this medium upon the exhaustion of asparagine (Hoskisson et al. 2004), and this suggests that,proteolytic enzymes were produced in response to depletion of a preferred nitrogen source from the medium, prior to the onset of sporulation.

之前我们已经证实在这一领域的存在的铵后，用尽了天冬酰胺（Hoskisson等。2004年），这表明，蛋白水解酶的生产响应从中期的首选氮源枯竭，前发病的孢子。

Astrocyte Medium is a complete medium designed for optimal growth of normal human astrocytes in vitro.

星形胶质细胞培养基是专门为正常人类星形胶质细胞体外培养设计的最适于其生长的培养基。

At a rough estimate, 40 small and medium enterprises made short coupons, each the size of the financing of enterprises in the following 100,000,000 yuan, innovative small and medium enterprises short-term financing in the early vouchers give businesses nearly 40 billion line of funds.

粗略估计，40个中小型企业短期内取得了优惠券，每个企业在下列亿元，创新的中小企业短期初短期融资券为企业提供近40亿美元的资金行融资的规模。

Under soil water stress conditions, the photosynthesis rate, water useefficiency and light compensation point of Atriplex canescens obviouslyreduced, and its dark respiration rate weakened. In the treatments in July, theaccumulative and average value of daily Pn from high to low is: light soil water stress＞no soil water stress＞medium soil water stress＞heavy soil water stress, the valueare 7.162μmolm~(-2)s~(-1)、6.106μmolm~(-2)s~(-1)、6.103μmolm~(-2)s~(-1) and 1.761μmolm~(-2)s~(-1), respectively. In the treatments in August, the accumulative and average value ofdaily Pn from high to low is: light soil water stress＞medium soil water stress＞heavy soil water stress＞no soil water stress, the value are 7.378μmolm~(-2)s~(-1)、4.738μmolm~(-2)s~(-1)、1.794μmolm~(-2)s~(-1) and 1.705μmolm~(-2)s~(-1), respectively.

在土壤水分胁迫下四翅滨藜的净光合速率、水分利用效率、和光补偿点显著降低，暗呼吸速率减弱。7月份各处理Pn全天的累计值和平均值的大小顺序为：轻度土壤水分胁迫＞无土壤水分胁迫＞中度土壤水分胁迫＞重度土壤水分胁迫，它们的值分别为：7.162μmolm~(-2)s~(-1)、6.106μmolm~(-2)s~(-1)、6.103μmolm~(-2)s~(-1)和1.761μmolm~(-2)s~(-1)。8月份各处理的Pn全天累计值和平均值的大小顺序为：轻度土壤水分胁迫＞中度土壤水分胁迫＞重度土壤水分胁迫＞无土壤水分胁迫，它们的值分别为：7.378μmolm~(-2)s~(-1)、4.738μmolm~(-2)s~(-1)、1.794μmolm~(-2)s~(-1)和1.705μmolm~(-2)s~(-1)。9月份四翅滨藜的Pn变化趋势于8月份的变化曲线基本相似，唯一不同的变化就是各个处理的Pn比8月份的要高，这可能于9月份气温降低，湿度增大有关。

Chinese traditional virtue is humility and wariness,the compliment and praise to the others should be declination

中国人的传统美德是谦虚谨慎，对别人的恭维和夸奖应是推辞。如

We bought this house on the never-never.

我们以分期付款的方式买下这座房子。