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on the surface相关的网络例句

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The effect of additive in CC grade diesel engine oil on the formation of lacquer on the surface of lacquer plate was studied by mirror reflectance infrared spectroscopy;the formation of lacquer on the lacquer plate has the correlation with formation of lacquer on banquette of Cat.

利用镜反射红外光谱法研究了CC级柴油机油中添加剂对成漆板板面漆膜组成的影响;考察了成漆板漆膜组成与Cat。

The Pd-Cu/C catalysts were shown to have the face centered cubic crystal structure. This could indicate that the addition of Cu shortened the Pd-Pd distances in the crystal lattice, and therefore –HO(subscript 2ads) and O-O could be better adsorbed on the surface of the catalyst. When NaBH4 was used as the reducing agent, and the atomic ratio of Pd to Cu was 3:1, the resulting catalysts had an average particle size of 3. 4nm and showed the best catalytic performance. The electrochemical active surface are a of Pd3Cu/C was 38.9m^2/gPd and the oxidation reduction reaction activity of the Pd3Cu/C catalyst was much higher than that of the Pd/C catalyst. The electrochemical activity of the Pd3Cu/C catalyst was comparable to that of a commercial Pt/C catalyst.

结果表明:催化剂中Pd与Cu的物质的量之比与预设值相近,Pd和Cu基本被全部还原;Pd-Cu/C催化剂为面心立方结构,元素铜的加入使催化剂的Pd-Pd间距缩小,从而HO(下标 2 ads)和OO键能更好地吸附在催化剂金属表面;当采用NaBH4为还原剂,Pd与Cu物质的量比为3:1时,催化剂(Pd3Cu/C)的平均粒径为3.4 nm,催化剂的催化性能最好,电化学活性表面积EAS达到38.9平方公尺/gPd,电化学性能较Pd/C催化剂有很大提高,接近Pt/C商用催化剂。

On one hand, because of the restriction of economic and technological, knowledge in one time always has its own limits, many of which merely solve problems on the surface rather than solve them on the intrinsical level.

由于以前经济,技术条件的限制,知识总是有一定的局限性,一部分知识只解决了表面的问题,而无法解决本质问题;或者一些知识随着科技的发展,其中的很多问题会暴露出来。

Postmodernism shows the inclination of inaction in their viewpoints to theory, life and art :On theory, they oppose constructing theory system, oppose pursuing the deep essential, while advocate "cutting away the deep mode",to stay on the surface; On liff, they oppose controlling the object and advocate that the subject should surrender to the object world, discarding the plan and in ter tion to control the object, While should imitate and follow the object; On art, the postmodern writers no longer undertake the mission of transmitting the truth, no longer pretest alienation, but sink in the earthy joyousness, going to absurdity.

后现代主义之所以能够与轴心时代的三位思想家达成这种一致,是因为当今人类重新面临了、认识了人类在相对弱小的轴心时代所遭遇的困境——今天世界的强大又重新造成了人的弱小和无能为力,人类又重新进入困境时代,常有废墟、荒原之感的后现代主义就是这种困境时代的反映。

The heat generation curves of seven rubber materials used in tires with the changes of temperature have been obtained by using Dynamic Mechanics Analysis technique on NETZSCH DMA242 instrument, knowing that the heat generation of every other rubber materials except inner liner rubber changes lightly alone with the temperature within 10℃~80℃. According to the Fourier law, the heat transfer coefficients of tire rubber are measured by stable method on self-made experiment instrument. The coefficients changes lineally within 20℃~80℃ and the relation formulas λ=λ〓+bt are given out attached with λ〓 and b. The specific heat of tire rubber are measured on Differential Scanning Calorimeter NETZSCH DSC204 and the relations with temperature are linear and the formula is c=c〓+bT, where c〓 and b gained from experiment result data are presented in the paper. The heat convection coefficients on the surface of rolling tire are measured according to the principle of heat-mass transfer analogy principle after simplifying rolling tire into rotating disk with straight movement on wind channel. The relation with rotation speed of disk is linear as h=5. 399+0.0258n and the relation with straight line speed of tire is linear too, h=

论文采用动态力学分析技术,使用NETZSCH DMA 242型实验仪,获得了轮胎用七种胶料的生热率随温度变化曲线,确知除内衬层胶以外,其它各种胶料在一般胎温范围内(10℃~80℃)的生热率随温度变化不大;轮胎胶料的导热系数根据傅立叶定律的基本原理,采用稳态法在自行搭建的实验台上进行测试,结果表明,材料的导热系数在20℃~80℃的温度范围内随温度呈线性变化,论文给出了各种材料导热系数的线性变化的关系式λ=λ〓+bt及其λ〓和b的值;轮胎胶料的比热运用差式扫描量热原理,在NETZSCH DSC204型DSC实验仪上进行测试,结果表明,胶料的比热随温度的变化呈线性变化,其关系可用c=c〓+bT表示,文中给出了根据实验数据拟合的c〓、b的值;对轮胎表面的对流换热系数的测定,本文先将滚动的轮胎简化为有直线运动的旋转圆盘,而后采用萘升华热质比拟技术,在风洞中测量了滚动轮胎表面的对流换热系数,结果表明,圆盘表面对流换热系数与转速呈线性关系,即h=5.399+0.0258n,轮胎表面对流换热系数与其直线运动的速度呈线性关系,即h=

This paper studied on domestication of plantlets in tissue culture and rapid propagation of Dendrobium loddigesii Rolfe which dealed with the different medium composed of gravel, rotten soil, perlite, turves, sawdust and china clay, in the different light intensity and temperature. The results showed that the best selection of medium on the domestication was 10cm gravel in bottom, rotten soil + sawdust + perlite,(5:1:1) in the middle part ,5cm greenness bryophyte on the surface.the best selection of medium on the transplantaion of plantlets in vitro of bramble,and light intensity was employed harf overshadow by adumbral net,temperature confined 14℃-28℃.

本文研究了环草石斛组培苗炼苗的影响因素如光照强度,温度以及基质等,初步获得环草石斛组培苗炼苗生产技术:能进行人工光、温、水控制的如塑料薄膜大棚内进行环草石斛组培苗炼苗,光照强度的要求是使用遮阳网半遮阴;温度控制在14℃-28℃;出瓶苗要求株高2~5cm,叶片4~7,根数3~8;组培苗炼苗基质为底层是约10cm厚的碎石,在碎石上面是腐殖土+锯末+珍珠岩(5:1:1),最上面是一层5cm厚的新鲜苔藓。

In the first section, the effect of sodium houttuyfonate on the level of lysozyme secreted by macrophages was first tested by bacteriolytic method; then the effect of sodium houttuyfonate on the level of tartaric acid resistant acid phosphatase produced in macrophages was investigated by analyzing the phenol generated in the reaction that was catalyzed by the enzyme; the third, the effect of sodium houttuyfonate on the phagocytic activity of macrophages was observed by microscopy; the forth, the effect of sodium houttuyfonate on the production of complement C4 from macrophages was tested by hemolytic method; the fifth, the effect of sodium houttuyfonate on the expression of C3b receptors on the surface of macrophages was analyzed by observing the formation percentage of zymosan wreath; the sixth, the effect of sodium houttuyfonate on the respiratory burst in macrophages was tested by flow cytometry; the seventh, the effect of sodium houttuyfonate on the production of IL-1α and IL-1β from macrophages was tested by ELISA method.

在这一章中,首先,采用溶菌法考察合成鱼腥草素对巨噬细胞分泌溶菌酶水平的影响;其次,采用游离酚法研究合成鱼腥草素对巨噬细胞产生的耐酒石酸酸性磷酸酶水平的影响;第三,采用显微镜观察法考察合成鱼腥草素对巨噬细胞吞噬功能的影响;第四,采用溶血法测定合成鱼腥草素对巨噬细胞产生的补体C4水平的影响;第五,采用酵母花环法检测合成鱼腥草素对巨噬细胞表面C3b受体水平的影响;第六,采用流式细胞术法观察合成鱼腥草素对巨噬细胞呼吸爆发的影响;第七,采用ELISA法探讨合成鱼腥草素对巨噬细胞产生IL-1α及IL-1β水平的影响。

The surfaces of the silicon spiral are coated with highly conformal copper by electroless plating to reduce the resistive loss in the conductor,with thin nickel film plated on the surface of the copper layer for final surface passivation.

采用一种硅玻璃键合-深刻蚀成型释放工艺并结合无电镀技术制作该电感,形成厚约40μm的硅螺线,在硅螺线表面镀有高保形厚铜镀层,在铜镀层表面镀有起钝化保护作用的薄镍镀层。

Lifting the company as a result of non-lifting experience of similar models, the need for carefully lifting program to explore and experiment, with the result that the project had of hoisting the delay is better than the original plan. May 17, in the lifting process of lifting equipment as a result of failure, leading to the surface of leaves and fairing minor injury, and the remaining components of injury does not appear, at present the company in accordance with the guidance of manufacturers fairing on the surface of leaves and damage has been repaired, to ensure that follow-up after repair will not affect the work of lifting and running power.

由于吊装公司无同类机型的吊装经验,需对吊装方案进行谨慎探索和试验,致使项目吊装较原计划有所延迟。5月17日,在吊装过程中由于吊装设备出现故障,导致叶片和整流罩表层出现轻微损伤,其余部件未出现损伤,目前公司按照生产厂商的指导对叶片和整流罩表层的损伤已修复完毕,以确保修复后不会影响后续吊装及运转发电工作。

The luminescence mechanism was studied and we considered that photo-excitation occurs at inside of Si nanoparticles, and then the photo-generated carriers relax to the surface and radiatively recombine on the surface states.

我们对多孔硅的发光机理进行了分析研究,认为光激发发生在纳米硅颗粒中,光生载流子弛豫到颗粒表面,在表面氧化层中表面态上辐射复合而发光。

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Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势,并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。

This dramatic range, steeper than the Himalayas, is the upturned rim of the eastern edge of Tibet, a plateau that has risen to 5 km in response to the slow but un stoppable collision of India with Asia that began about 55 million years ago and which continues unabated today.

这一引人注目的地域范围,比喜马拉雅山更加陡峭,是处于西藏东部边缘的朝上翻的边框地带。响应启始于约5500万年前的、缓慢的但却不可阻挡的印度与亚洲地壳板块碰撞,高原已上升至五千米,这种碰撞持续至今,毫无衰退。