单作用

Aloe-emodin, adriamycin alone and combined with human hepatoma HepG2 cells proliferation inhibition, and the two-drug combination has a synergy.

芦荟大黄素、阿霉素单用及联用对人肝癌HepG2细胞有增殖抑制的作用，且两药联合具有协同性。

RO_2·8% Y_2 O_3 was deposited by rf magnetron sputtering on NiCrAlY bond coat,thermal cyclingand fused salt effect experiments were made under the condition of 1100℃ room temperature 1100℃ cold water , and 900℃ room temperature,and were investigated by XRD and SEM,The results showthat ZrO_2·8% Y_2 O_3 deposited appears mainly as cubic and a little monoclinic phase and tetragonalphase.

将ZrO_2·8％Y_2O_3用射频磁控溅射技术沉积在NiCrAlY底涂层上，进行ll00℃→室温，1100℃→冷水和900℃→室温等热周期和熔盐作用的试验。随后进行X－射线衍射分析和扫描电镜（8EM）观察。结果表明，沉积态的氧化锆层主要为立方相和少量单斜相及四方相。

An illustrated word list in the back of the book provides extra support for the newest readers!

在书的末尾处还有一个带图片的单词列表，对于那些刚刚接触阅读的小朋友来说，这个单词表会起到很大的作用！

With the geometry model and kinematics model of roller cone rock bit, the interaction model of rock bit and rock is established which was based on the experiment of interaction between single tooth and rock. It is a good fundament for the computer simulation on working action of rock bit drilling.

在牙轮钻头几何学、运动学基础上，利用单齿压入与刮切岩石实验建立了钻头与岩石互作用力学模型，实现了对钻头在钻井过程中工作行为的仿真计算； 2。

Results of path analysis showed that the primary influencing factor to lint cotton yield was bolls per haP_(1-Y=0.8386, single cotton ball weight ranked the secondP_(2-Y=0.4052 and the direct contribution effects of the lint percent was smallest P_(3-Y=0.0875 in yield component factors studied.

4由通经分析表明，在被研究的的三个产量构成因素中，对产量起首要作用的为公顷铃数P_(1-Y)=0.8386，其次为单铃重P_(2-Y)=0.4052，衣分P_(3-Y=0.0875的直接效应最小。

Hm~-2, the four cultivation facts all had extremely significant effect on lint cotton yield; boll numbers per ha changed from 692400 to 1073250; single boll weight changed from 4.38 to 5.71 g and the lint percent changed from 41.0 to 42.8%. Different treatments had extremely different effect on yield component factors;(2) According to mathematical model established by lint cotton yield, in 95% confidence interval, when lint cotton yield is more or equal to 2100Kg.

结果表明：(1)皮棉产量变幅为1609.5-2337.0Kg·hm~(-2)，说明不同处理对皮棉产量有极显著的影响；铃数变幅为692400-1073250个·hm~(-2)，单铃重变幅为4.38-5.71克，衣分变幅为41.0-42.8％，表明不同处理对产量构成因素也有极大影响，但与对产量的作用不同步。

Taking the surrounding rock of deep-buried caverns at the Jinping Second Class Waterpower Station as an example,uniaxial compression tests are performed to study the influence of temperature on the Poisson ratio and elastic modulus under different temperatures.

选取锦屏二级水电站引水隧洞围岩大理岩作为试样，进行不同温度条件下的单轴压缩试验，分析温度作用对大理岩弹性模量、泊松比等力学参数的影响。

In order to perfect the theoretical system of "tectonic control of hazard", this thesis researches the control function of stratum inclination of monoclinic structure, fold shape and angle between two limbs of fold, normal fault direction of dip and fault inclination, forms of faults combination over coal-mining-induced subsidence by means of theoretical analysis and numerical testing.

为了进一步完善&构造控灾&理论体系，本文从典型煤矿区的地质条件和开采实际出发，在以往研究成果的基础上，通过理论分析和计算机数值试验，重点研究单斜构造的地层倾角、褶皱构造形态及其翼间角、正断层倾向和倾角及断层组合对采煤沉陷的控制作用。

TiO2 photocatalyst which was doped with Fe(superscript 3+), surface modified with H2SO4, whose single expension was improved by NH4Cl, was prepared using immersion method. Its degradation efficiency on direct fast black G under ultraviolet and sunlight was investigated.

采用浸渍法制备了掺杂Fe(上标 3+)，用NH4Cl提高单分散性并且用稀H2SO4表面修饰的TiO2粉体光催化剂，考察了它与TiO2在紫外光和日光作用下对直接耐晒黑G的降解效果。

Taking a single disk rotor with hinged ends as research object, to a different forward and backward whirling type the effect and its innate laws of the magnitude and acting direction of the constant torque on the stability are proposed by means of the eigenvalue theory of real linear systems.

以两端简支的单圆盘转子为对象，利用非线性振动理论的多尺度方法，研究了简谐扭矩作用下具有时变参数激励系统的近似解，指出系统出现不稳定组合式共振的可能性并给出了定常扭矩、简谐扭矩、外阻尼对不稳定区域边界条件的影响。

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。