查询词典 chemical fiber

The plates are obtained by two steps: compound felt and hot pressing shaping. The opening, mixture, carding, net-paving and needling process that affect shaping process of the blending fiber needle felt are investigated. Then it is concluded that the fiber nets from the BC-272B carding machines are uniform when the rolling speeds of licker-in, cylinder, doffer roller of the roller carding machine are 900r/min, 850r/min and 15.6r/min separately. The fiber needle felt is in a good condition when the paving nets have 8 layers, the type of the felting needle is 30, the density of needling is 1800end/m2, and the depth of needling is 3mm.

纤维复合板材分混合制毡和热压成型两步完成，分别探讨了开松、混合、梳理、铺网、针刺各工序对纤维针刺毡成型的影响，得出BC-272B罗拉梳理机的刺辊转速900r／min、锡林转速850r／min、道夫转速15.6r／min时，从梳理机下来的纤网较为均匀；铺网层数为8层、刺针型号为30、植针密度1800枚／m~2、针刺深度为3mm时，纤维针刺毡的效果较好，纤维复合针刺毡单位面积重量为200g／m~2。

The spectrum of fiber Bragg grating can be controlled by double exposure technique. The first exposure is used to control the resonant wavelength of fiber grating by directly irradiating the naked photosensitive fiber.

该方法只使用普通Bragg位相模板，采用两次曝光技术，通过控制光纤光栅的本地谐振波长和反射率，达到控制光纤光栅谱形的目的。

Therefore, we utilize optical switch to switch over two routes P1 and P2 which are normal feeder fiber P1 and protecting fiber P2. Signal pass P1 and P2 and through 2X2 coupler, splitter, and 2X1 coupler into the drop fiber. Finally pass through WDM coupler and filter into ONU.

传输时利用光开关切换成两路路径P1和P2，分别为在正常下的P1馈线光纤和发生错误时切换成P2保护光纤，再经2X2耦合器、分歧器和2X1耦合器，进入终端光纤，最后经分波多工耦合器和滤波器后进入光网路单元。

Systematical researches were carried out on the cleavage strength of steel fiber concrete with 3 base strength grades,6 steel externalities and 4 fiber admixtures,and it is discovered that the cleavage strength of concrete increases as the base strength grade rises,and dumbbell-like,shield-like and hook-like steel fibers have good reinforcement effect while flat steel fiber has less reinforcement effect.

通过对3个基体强度等级、6种纤维外形、4种纤维掺量的钢纤维混凝土的劈拉性能进行系统研究，发现混凝土的劈拉强度均随基体强度等级增加而增大；哑铃、盾铃、端勾形钢纤维的增强效果较好，而平直形钢纤维的增强效果较小。

And the effects of foundation displacement excitation,temperature,amplitude and asexternal damping on the nonlinear vibration of elliptic paraboloid cable net with the comparison between steel cable and carbon fiber cable were discussed.At last the conclusions are obtained that the temperature have great influence on steel cable and bat not on carbon fiber cable,and the vibration characteristics of cable net using carbon fiber cables is superior to cable net using steel.

在把碳纤维索网与钢丝索网比较的基础上，讨论分析了位移激励、温度、振幅、外阻尼等因素对椭圆平面双曲抛物面碳纤维索网非线性振动的影响，得到了碳纤维索网对温度变化不敏感，而钢丝索网受温度的影响却很大，且碳纤维索网振动特性优于钢丝索网振动特性的结论。

As the emission spectrum of Erbium ions covers 1550nm, which is the low loss window in fiber optic communication, the study on EDFA and fiber laser is crucial for the development of technology of fiber optical communication.

由于铒离子的发射谱覆盖了1550nm的光纤通信低损耗窗口，因此对掺铒光纤放大器及激光器的研究将对光纤通信技术的发展起着举足轻重的作用。

The introduction and analysis of Chinese contemporary fiber art, is one part of basic study in fiber art theory as well as a kind of effort, which is made to open up the research eyeshot for the whole strategy --developing the fiber art in China.

对中国当代的纤维艺术状况介绍和分析既是纤维艺术基础理论研究的一部分，也是为在中国进一步发展纤维艺术的整体战略而拓宽研究视野的一种努力。

The effect of fiber bundling on the overall elasto-plastic properties of composite material was investigated by comparing the results of fiber bundle composites with that of the single fiber composites.

通过与单丝纤维复合材料的相应结果比较，研究了纤维成束对复合材料宏观弹塑性性能的影响。

The characteristic of telecom network resource data is generous and has tight relationship with the map, fiber network as a example, all kinds of its resource(for example, equipment rooms, pipes, fiber, fiber connecting boxes) contains all space vector information that tokens space position and topology relation, and attribute information that records idiographic content and entitative characteristic.

电信网络资源数据的特点是量大而且与地图的关系十分密切，以光纤网络为例，它的各类资源(如机房、管道、光缆、光交接箱)都包含表征空间位置及拓扑关系的空间矢量信息，以及记录具体内容及本质特征的属性信息。

Increasing the surface of plant fiber and the ratio of activated sludge to plant fiber can improve the degradation degree of plant fiber.

增加降解物的表面积和提高活性污泥与降解物的比值，有利于降解物的降解。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。