查询词典 fiber bundle

Fiber grating coupler has good wavelength selection characteristic of optical fiber grating as well as multiport advantage of fiber coupler. These features make it easy to realize allfiber optical add/drop multiplex.

光纤光栅耦合器具有光纤光栅良好的波长选择特性和光纤耦合器的多端口特点，易于实现全光纤的光波分插复用。

MORs of PP/wood fiber, PS/fiber, and PE/fiber composites with coupling agent added were raised by 18.4%, 37.1%, and 42%, respectively, compared to those without coupling agent.

结果表明，添加耦联剂的纤维／聚丙烯、纤维／聚乙烯和纤维／聚苯乙烯复合材料的弯曲弹性模量分别比未添加耦联剂的复合材料的弹性模量增加了18.4%，37.1%，42%。

This fiber could be carbonized or activated into carbon fiber and activated carbon fiber material with wide use and good capability.

该纤维可进一步炭化或活化加工成用途广泛、性能优良的破纤维和活性破纤维材料。

In the process of producing bamboo fiber, it is a good assistant degummed instrument.6. Mechanical process is very important in the manufacturing of bamboo fiber, it is a key step to degumming from the fiber.

6机械加工在竹纤维的制取过程中尤为重要，它是将胶质从纤维上脱除的关键步骤，同时采用机械牵伸机对纤维细度的改进有利，但是这种方法仍然需要进一步的改进。

Polycrystalline alumina bulk fibers, fiber felts, fiber board and fiber special shaped products.

多晶氧化铝系列纤维棉、毡、板和异型制品。

Then after analysising each characteristics of phosphate glass material, the fiber rod-in-tube by invaginating core rod, inside cladding and outside cladding is used to fabricate the Er/Yb phosphate glass fiber successfully by polishing and vacuumizing fiber rod-in-tube.

利用玻璃浇注方法得到增益玻璃芯棒，然后对芯棒进行抛光处理，并且采用芯棒、内包层玻璃管和外包层玻璃管套接的方法制作光纤预制棒，将制作的预制棒进行了粘度等测试，并抽真空加热到一定温度条件下成功地拉制出芯径5μm，外包层65μm的单模铒镱共掺磷酸盐增益介质玻璃光纤。

Pipe flow of fiber suspensions can be found in various industrial processions, such as the production of composite materials, environmental engineering, chemical engineering, paper making, and so on. The character of fiber suspension will play an important part in the quality of the production. So, it is significant to research on pipe flow of fiber suspensions.

管道内纤维悬浮流是各种工业生产过程中广泛存在的一种流动，其在复合材料制造、环境、化工、纺织和造纸等领域都有应用，且其特性对这些领域的产品质量起着重要影响，故对管道内的纤维悬浮流的研究有着重要的意义。

The invention discloses an optical-fiber all-optical code converter, comprising a temperature control circuit as well as optical-fiber Mach-Zed interferometer, heat sink, semiconductor refrigerator, thermosensitive resistor and radiator, where the interferometer is composed of two cascaded 3dB couplers on the heat sink, the relation between length difference delta L of two arms of the interferometer and generated delay time difference delta T is that delta L=c.delta T/n, where c is light velocity in vacuum and n is refractive index of optical fiber; the thermosensitive resistor is used to detect temperature of interferometer, the temperature control circuit is used to compare feedback voltage of the thermosenstive resistor with a given voltage to regulate working current of the semiconductor refrigerator, and the semiconductor refrigerator refrigerates or heat two arms of the interferometer by the heat sink.

本发明公开了一种光纤型全光码型转换器，它包括温控电路和位于密封盒内的光纤型马赫-泽德干涉仪、导热热沉、半导体制冷器、热敏电阻以及散热片；干涉仪由位于导热热沉上的二个3dB耦合器级联而成，两臂的长度差ΔL与产生的延时差ΔT之间的关系为ΔL＝c。ΔT/n，c为真空中光速，n为光纤折射率；热敏电阻用于对干涉仪的温度进行探测，温控电路用于比较热敏电阻反馈的探测电压和设定电压，对半导体制冷器的工作电流进行调节，半导体制冷器通过导热热沉对干涉仪两臂同时进行制冷或加热。

ABSTRACT Erbium-doped fiber laser has attracted much more attentions for its greatly potential application. It upbuilds good theory and experimental foundation for the application of erbium-doped fiber lasers in optic communication, optic detection etc. to study control and synchronization of chaotic erbium-doped fiber lasers.

掺铒光纤激光器因其在光通讯等领域具有广阔的应用前景而受到国内外广大科技工作者的重视，掺铒光纤激光器的混沌/超混沌及其控制与同步的研究更为其在光学保密通讯、光学检测等领域的应用奠定了良好的理论和实验基础。

Results of this study indicate that alginate fiber can not resist acid and alkali, both salt endurance and oxidation resistance of alginate fiber are worse; various factors were applied to research the weight-lost of the fiber, such as concentration,temperature and time.

根据印染加工的特点，对海藻酸纤维的耐酸性、耐碱性、耐盐性及抗氧化性进行了初步研究与探讨，为海藻酸纤维在纺织行业的开发与应用提供了理论基础。

Foods high in this vitamin include oily fish such as salmon, tuna and, and fish liver oils.

维生素D含量高的食物包括诸如大麻哈鱼、金枪鱼和鲭鱼之类的油鱼以及鱼肝油。

We need you to cosign our public letter demanding that press intimidation cease immediately, and that all charges be dropped.

我们需要您cosign我们的公共信，要求记者立即停止恐吓，并要求所有收费下降。