粗糙表面

Notch and groove were produced on fiber's surface by plasma's pHysical bump and corrasion, meanwhile oxygenic or nitrogenic radicals were also grafted on the surface. Through hydrolyzation, acetate fiber's surface will be denuded by cellulase enzyme. Surface of the fiber will be granulated and specific surface area will be enlarged by plasma and enzyme treatment, therefore obviously improve fiber's surface performance.

等离子体对纤维的物理撞击和表面刻蚀使纤维表面产生凹坑和沟槽，同时可在纤维材料表面引入含氧或含氮基团；而纤维素酶对纤维素的水解作用，促使纤维表面被剥蚀；等离子体与生物酶处理都能使纤维表面粗糙化，比表面积增加，使纤维的表面性能得到明显改善。

Carry out surface preparation by Grinder and dust free self-enclosed portable grinder until to remove surface laitance and provide sound and textured surface.

使用地坪打磨机和无尘封闭手提磨机去除表面粗糙物，并提供涂装对表面所要求的粗糙度。

The surface roughness of these films were investigated by SEM and surface roughometer, and the dynamic clotting time and hemolysis rate of these different roughness micromagnetic field surfaces were tested.

测试了不同粗糙度的微磁场表面的动态凝血时间和溶血率，研究了微磁场表面的粗糙度对材料血液相容性的影响。

As illustrated, Raman activity varies with conditions changing in roughening processes and the most reasonable condition for roughening was indicated.

初步的实验结果表明，采用机械粗糙和电化学氧化还原方法能够获得具有一定粗糙度的电极表面，但是该表面并不具有SERS活性。

Through the experiment data and micrograph of metallography comparison of the Al2O3 ceramic under different conditions, some laws about the effect of different parameters such as, grinding depth, wheel speed and feed rate on the surface roughness is obtained.

通过对磨削深度、进给速度、砂轮转速等三因素三水平实验的数据分析和金相显微图像比较，分析了对表面粗糙度和材料去除率影响的一些规律，得到了降低表面粗糙度、提高材料去除率的磨削参数优化组合。

Now for the uncertain bit. When you add the Mentos, the arabic gum and the gelatin start to dissolve. The CO2 is attracted to the rough surface, which is a perfect nucleation site.

至於无法确定的部分是，当你加入曼陀珠时，阿拉伯胶和动物胶会开始溶解，二氧化碳会被曼陀珠粗糙不平的表面吸引，这种粗糙的表面最适合进行成核作用，因此上面会形成？

As a new technology, high-speed machining has been constantly explored and has brought revolutionary change to traditional metal-cutting theory.

本文通过进行多因素正交实验，得到了曲面高速铣削表面粗糙度在多个因素共同作用下的变化规律，并建立了多因素共同作用下曲面高速铣削表面粗糙度的预测模型。

When new concrete with higher strength grade is cast, the higher the roughness of old concrete fracture surface is, the higher the interfacial bond strength of old-new concrete is.

结果发现：用分数维来表征老混凝土表面的粗糙度，其预测结果精度较高；在粗糙度较高的老混凝土表面上浇注较高强度的新混凝土，获得的新－老混凝土界面粘结强度较高。

Firstly, using diamond wheels bonded by metal, resin and ceramic respectively, experiments about the influence of wheel speed, wheel swing frequency and coolant on grinding surface quality was done and the reason why parameters can influence the grinding surface roughness was deeply analyzed.

首先，分别对金属结合剂、树脂结合剂和陶瓷结合剂金刚石砂轮刃磨PCD刀具时刃磨表面粗糙度受砂轮速度、砂轮摆频及干湿磨削条件的影响进行了对比试验研究，深入分析了刃磨工艺条件对刃磨表面粗糙度的影响及其原因。

This paper first theoretically analyzes the changing rule of surface roughness for different cutting parameters when aluminum alloy holes are being cut at high speed by PCD lathe tools.

在高速切削过程中，切削速度、进给速度是影响加工表面粗糙度的决定性因素用PCD刀具对铝合金孔进行高速切削时，对不同切削参数下的表面粗糙度变化规律进行了理论分析和试验研究。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。