查询词典 fiber-optic

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。

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。

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.

论文摘要：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。

Glass fiber with the Nanjing Research Institute of alkali to high-quality, high-alkali glass fiber cotton as the main raw material of the current wet forming process of advanced maintenance-free lead-acid batteries are made of glass fiber adsorption partition and the compound separated board.

公司与南京玻璃纤维研究院合作以优质中碱、高碱玻璃纤维棉为主要原料采用目前先进的湿法成形工艺制成免维护铅酸蓄电池玻璃纤维吸附性隔板和复合隔板。

Existing fixed assets of 28,000,000 yuan, more than 280 employees, of which specializes in chemical fiber production has thirty years of excellent quality all kinds of technical personnel, engineers, senior engineers and management personnel for nearly 20 people, is the largest types of system using fiber wire brush professional manufacturer, now has the domestic leading brush system with a dedicated fiber spinning production lines and advanced production technology silk mill tip.

现有固定资产2800万元，在职员工280多人，其中有专业从事化纤生产三十多年的素质优秀的各类技术人员、工程师、高级工程师和管理人员近20人，是国内规模最大的各类制刷用化纤丝专业生产厂商，现拥有国内领先的制刷用化纤专用纺丝生产线和先进的磨尖丝生产技术。

From the point of view of structure,bamboo cell wall ratio,amount of bundle per unit area,fraction of bundle sheath,fraction of vessel increase from the root to the top of the bamboo,while fractionof parenchyma.Single bundle sheath area decreases with the increase of height.Fiber length,fiber width and vessel length increase from the root to the top andget theirs maximum value at the length of 17th node to 23rd node and thendecrease.Fiber length and width ratio slightly decreases while vessel widthincreases with the increase of height.

从构造角度来说，竹材胞壁率、单位面积维管束个数、纤维束比量、输导组织比量从基部到到梢部随着高度增加而增加，而薄壁组织比量、单个维管束纤维束面积随着高度增加而减小；纤维长度、纤维宽度、导管长度从基部到梢部随着高度的增加而增加，在第17竹节到第23竹节达到最大值，而后下降，纤维长宽比随着高度的增加而缓慢下降，导管宽度随着高度增加而一直增加。

In order to study the characteristics of pulse amplification in multi-stage cascade ytterbium-doped fiber amplifiers,the three-stage high-gain pulse fiber amplifier with all-fiber structure was experimentally studied based on the master oscillator power amplifier technology.

为了探讨多级级联掺镱光纤放大器的脉冲放大特性，采用主振功率放大技术，实验研究了3级级联、全光纤结构的高增益脉冲激光放大器。

The results show that cutting tools and cutting parameters had an important influence on the quality of the fiber in the planing process of metal fiber. The larger rake angle and appropriate clearance angle of tools favored to fabricate metal fiber. Back engagement influenced the forming process of metal fibers most greatly, feed rate and cutting speed varied little.

研究结果表明：在金属纤维刨削成形过程中，刀具参数和切削用量对纤维的质量有重要影响，较大的刀具前角和合适的刀具后角有利于纤维的成形，而背吃刀量对金属纤维的成形影响最大，切削速度和进给量的影响则不明显。

Take polyester short fiber, nylon short fiber and cotton powder short fiber forexamples, a study was made on the influence of content and kind of short fibers onphysical and heat aging properties of chlorinated cis-1, 4-polybutadiene composites.

以氯化顺丁橡胶为基体橡胶材料，与聚酯短纤维、尼龙短纤维、棉粉短纤维复合，研究了短纤维的用量和种类对短纤维-氯化顺丁橡胶复合材料力学性能影响。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。